Source: https://patents.google.com/patent/CN100427355C/en
Timestamp: 2020-08-15 01:57:59
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CN100427355C - Position control mechanism for bicycle control device - Google Patents
Position control mechanism for bicycle control device Download PDF
CN100427355C
CN100427355C CNB2005101237886A CN200510123788A CN100427355C CN 100427355 C CN100427355 C CN 100427355C CN B2005101237886 A CNB2005101237886 A CN B2005101237886A CN 200510123788 A CN200510123788 A CN 200510123788A CN 100427355 C CN100427355 C CN 100427355C
CNB2005101237886A
CN1865077A (en
积山彰
2005-05-19 Priority to US11/132,431 priority Critical
2005-05-19 Priority to US11/132,431 priority patent/US7650813B2/en
2005-11-22 Application filed by 株式会社岛野 filed Critical 株式会社岛野
2006-11-22 Publication of CN1865077A publication Critical patent/CN1865077A/en
2008-10-22 Publication of CN100427355C publication Critical patent/CN100427355C/en
A position control mechanism is provided for a bicycle control device that has a shifting unit. The position control mechanism has an operating member that is configured to operate a positioning member that moves through two of a plurality of predetermined shift positions during a single progressive movement of the operating member. The operating member is configured in the preferred embodiment to operate both a hydraulic braking unit and the shifting unit.
The position control mechanism that is used for Icycle control device
The present invention relates to an Icycle control device, specifically, the present invention relates to a position control mechanism, this mechanism is used for controlling the motion of Icycle control device (such as gearshift).
Bicycle is universal day by day as a kind of vehicle and amusement and recreation mode, and has also become a sparetime that is popular and professional competitive sport.No matter bicycle is as a kind of amusement and recreation, the vehicle or competitive sport, and bicycle trade is devoted to improve the various parts of bicycle all the time, redesigned widely in recent years in particular for the brake and the control setup of gear shift.
In general, by bike the time, people wish just can control quickly brake (braking) control mechanism and gear shift (speed change) control mechanism of bicycle when holding handlebar.As U.S. Patent application publication No.US2004/005947 (belonging to Shimano company) announce that some bicycles have separated brake lever and gearshift.But the control setup of all the other bicycles has developed into a kind of single part that has brake and two kinds of functions of gear shift simultaneously.U.S. Patent No. 4,241,878; No.5,257,683; No.5,400,675; And No.6,073,730 and No.6,216,078 have announced the example of this control setup.For brake and gear shift effectively, some devices in these known control setups have one also to can be used as the brake control stalk that the gear shift control stalk uses, this control stalk can winding line tightener, a release control stalk that is positioned at braking/gear shift control stalk back in addition.Other known control setup then has gear shift control stalk and release control stalk that is positioned at brake control stalk one side of the line tightener that is positioned at brake control stalk back of being used for reeling.Therefore, the cyclist need not the conversion control stalk and just can brake and variable speed operation.This example with Icycle control device of a brake/gear shift control stalk is published among the U.S. Patent application publication No.US2002/0139637 (belonging to Shimano company).
Consider above-mentioned situation, those skilled in the art can significantly discover the demand to a kind of improved Icycle control device from above elaboration.At this demand and some other demands, the professional and technical personnel can be readily understood that this point from the elaboration of this paper just in the present invention.
An object of the present invention is to provide a kind of position control mechanism that is used for Icycle control device, it has the simple relatively structure that discharges.
Another object of the present invention provides a kind of position control mechanism that is used for Icycle control device, and this mechanism has locations, and it can move past two gears in a plurality of predetermined gears in once advancing of release member moved.
Another object of the present invention provides a kind of position control mechanism that is used for Icycle control device, and wherein available single control stalk raises speed and slows down.
Another object of the present invention provides a kind of position control mechanism that is used for Icycle control device, and wherein available single control stalk comes gear shift and brake.
Another object of the present invention provides a kind of position control that is used for Icycle control device, and the cost of this device is relatively cheap.
According to an aspect of the present invention, above-mentioned purpose can realize that substantially it comprises locations, position holding element and release member by a kind of like this position control mechanism that is used for Icycle control device is provided.Locations is constructed and is configured to and can rotates around S. A. between two gears in a plurality of predetermined gears.The position holding element is configured to and can optionally moves between first engage position and second engage position, wherein, first engage position remains on locations on the predetermined gear, and second engage position remains on locations on another predetermined gear different with first engage position.Release member functionally is connected on the holding element of position, thus between first and second engage positions shift position holding element.
In the specific descriptions below, all these targets of the present invention, feature, aspect and advantage are conspicuous for the professional and technical personnel.Following specific descriptions combine with accompanying drawing, have illustrated a preferred embodiment of the present invention.
Following with reference to accompanying drawing, these accompanying drawings are as the original disclosed part of the present invention:
Fig. 1 is the bicycle lateral plan of pair of control device (only illustrating) that the specific embodiment according to the present invention is housed;
Fig. 2 is the transparent view of the amplification of the Icycle control device of a specific embodiment according to the present invention shown in Figure 1;
Fig. 3 be illustrated in figures 1 and 2 according to the present invention the planar view of the Icycle control device of a specific embodiment;
Fig. 4 is Fig. 1 to the medial elevational view of Icycle control device according to a specific embodiment of the present invention shown in Figure 3;
Fig. 5 is Fig. 1 to the lateral elevational view of Icycle control device according to a specific embodiment of the present invention shown in Figure 4;
Fig. 6 is Fig. 1 to the front side front elevation of the Icycle control device according to a specific embodiment of the present invention shown in Figure 5;
Fig. 7 is the enlarged cross-sectional view of Icycle control device along hatching 7-7 shown in Figure 6;
Fig. 8 is used for the decomposition diagram of Fig. 1 to the position control mechanism of Icycle control device according to a specific embodiment of the present invention shown in Figure 7;
Fig. 9 is Fig. 1 of having simplified posterior side elevational view to the position control mechanism of Icycle control device shown in Figure 8, this figure has omitted some parts selectively, be in the master lever of normal position at rest, inferior joystick (trigger bar), dowel disc and cam release dish with demonstration, wherein the inner wire in the back gear shift cable is fully retracted on the line tightener.
Figure 10 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 are similar, but inferior joystick (trigger bar) moves along the release direction of gear shift line, cam release dish is moved by release piece, thereby brake component is shifted to the releasing position;
Figure 11 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 and Figure 10 are similar, but be at inferior joystick (trigger bar) thus along the release direction of gear shift line move make that brake component is unclamped along line direction move to next gear, then time control stalk (trigger bar) is got back to dead position again after;
Figure 12 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 to Figure 11 are similar, but wherein time joystick (trigger bar) moves along the release direction of gear shift line, cam release dish is moved by release piece, thereby brake component is shifted to the releasing position;
Figure 13 is the posterior side elevational view of the shift-position control apparatus of the Icycle control device simplified, it and Fig. 9 to Figure 12 are similar, but be at inferior joystick (trigger bar) thus along the release direction of gear shift line move make that brake component is unclamped along line direction move to next gear, then time joystick (trigger bar) is got back to dead position after;
Figure 14 is the posterior side elevational view of the shift-position control apparatus of the Icycle control device simplified, it and Fig. 9 to Figure 13 are similar, but inferior joystick (trigger bar) moves along the release direction of gear shift line, and cam release dish also is moved by release piece, thereby brake component is shifted to the releasing position;
Figure 15 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 to Figure 14 are similar, but be at inferior joystick (trigger bar) thus by the release direction along the gear shift line move make that brake component is unclamped along line direction move to next gear, then time joystick (trigger bar) is got back to dead position after;
Figure 16 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 to Figure 15 are similar, but master lever partly moves around direction along the gear shift coil of wire, dowel disc and the cam release dish pawl that also is positioned is together moved, thereby brake component is moved to midway location;
Figure 17 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 to Figure 16 are similar, but master lever is by mobile fully around direction along the gear shift coil of wire, dowel disc and the cam release dish pawl that is positioned together moved, thereby brake component is moved to next gear;
Figure 18 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 to Figure 17 are similar, but master lever by along the gear shift coil of wire around direction partly move, dowel disc and the cam release dish pawl that is positioned is together moved, thereby brake component is moved to midway location;
Figure 19 is the posterior side elevational view of the position control mechanism of the Icycle control device simplified, it and Fig. 9 to Figure 18 are similar, but master lever by along the gear shift coil of wire around direction mobile fully, dowel disc and the cam release dish pawl that is positioned is together moved, thereby brake component is moved to next gear;
Figure 20 is the front side front elevation (opposition side of Fig. 9 to Figure 19) of the position control mechanism of the Icycle control device simplified, and this figure has omitted some parts selectively;
Figure 21 is the upward view of the parts of the position control mechanism shown in Figure 20 simplified;
Figure 22 is the lateral plan of Fig. 2 to the dowel disc of the position control mechanism of Icycle control device shown in Figure 8;
The edge front elevation of the dowel disc shown in Figure 22 that Figure 23 is Fig. 2 to the position control mechanism of Icycle control device shown in Figure 8;
The transparent view of Figure 22 that Figure 24 is Fig. 2 to the position control mechanism of Icycle control device shown in Figure 8 and dowel disc shown in Figure 23;
Figure 25 is the lateral plan of Fig. 2 to the cam release dish of the position control mechanism of Icycle control device shown in Figure 8;
The edge front elevation of Figure 26 cam release dish shown in Figure 25 that is Fig. 2 to the position control mechanism of Icycle control device shown in Figure 8;
The transparent view of Figure 27 Figure 25 that is Fig. 2 to the position control mechanism of Icycle control device shown in Figure 8 and cam release dish shown in Figure 26;
Figure 28 is the lateral plan of Fig. 2 to the brake component of the position control mechanism of Icycle control device shown in Figure 8;
The edge front elevation of the brake component shown in Figure 28 that Figure 29 is Fig. 2 to the position control mechanism of Icycle control device shown in Figure 8;
The transparent view of Figure 28 that Figure 30 is Fig. 2 to the position control mechanism of Icycle control device shown in Figure 8 and brake component shown in Figure 29.
Explain the selected embodiment of the present invention now in conjunction with the accompanying drawings.Next those skilled in the art can recognize from above-mentioned elaboration significantly is not to be used to limit the present invention as claims and equivalent thereof to the description usefulness for illustrative purposes only of specific embodiments of the invention.
As shown in Figure 1, show a kind of bicycle 10 that Icycle control device 12 according to an embodiment of the invention is housed in bicycle handle bar 14.This Icycle control device 12 is the right-hand side control setups 12 by cyclist's right-hand operated.This Icycle control device 12 preferably functionally is connected on the rear derailleur 16 by gear shift control cable 18, and functionally is connected on the fluid brake 20 of back by back water brake flexible pipe 22.This Icycle control device 12 is preferably the control setup that integrates gear shift and brake function, and its structure and only be configured to just to carry out gear shift and two kinds of operations of brake with a control stalk hereinafter will have explanation.Selectively, if desired and/or expectation, Icycle control device 12 also can link to each other with preceding fluid brake 28 by a water brake flexible pipe 30.
As preferably, bicycle 10 comprises a left-hand side Icycle control device almost completely identical with Icycle control device 12 (not diagram), and difference has been to change switch unit can be by the gear quantity of gear shift to reduce.As preferably, the left-hand side Icycle control device functionally is connected on the front chain shifter 24 by gear shift control cable 26, and is connected on the Front brake device 28 by brake hose 30.Selectively, in a different embodiment, if water brake flexible pipe 30 links to each other Icycle control device 12 with Front brake device 28, then the Icycle control device of left-hand side functionally can be connected on the rear brake device 20 by back water brake flexible pipe 22.But no matter which kind of design, except the Icycle control device of left-hand side and control setup 12 be the gear quantity of Icycle control device of minute surface symmetry and left-hand side different, the structure of the Icycle control device of left-hand side and operation and control setup 12 are basic identical.Therefore, only discuss and set forth control setup 12 here.
Because most of parts of bicycle 10 all are known in the field, so except the parts relevant with the present invention, other parts of bicycle 10 are not just done concrete discussion and set forth at this.In other words, this paper only discusses the parts relevant with elaboration and Icycle control device 12.In addition, various traditional bicycle assembly parts, as brake gear, additional sprocket wheel is dialled chain device etc., though do not do concrete discussion and elaboration at this, can use in conjunction with the present invention.
Next be used to describe Icycle control device 12 the direction term " exist forward, backward ... on, downwards, vertically, level ... under, side direction " and other similar direction terms all refer to the direction that has been equipped with bicycle of the present invention.Accordingly, these are used to describe term of the present invention and should be considered to all relevant with the bicycle that has been equipped with the Icycle control device 12 that the present invention relates to.
To shown in Figure 8, this Icycle control device 12 comprises bicycle handle bar's installation portion 31, a brake units 32 and a switch unit 33 substantially as Fig. 2.In this embodiment, brake units 32 and switch unit 33 are integrated in the installation portion 31.Preferably, installation portion 31 by hard light rigid materials for example light-weight metal make.
Installation portion 31 has a clamping part 31a, a container part 31b, a tubular rod part 31c and a positioning control mounting portion 31d.Clamping part 31a is preferably ceasma formula fixing device, and the diameter in hole can change by a fix screw in a conventional manner.Clamping part 31a has traditional relatively structure, therefore no longer carries out concrete discussion and elaboration at this.Tubular rod part 31c is mainly used in and supports brake units 32 and switch unit 33.The free end of the tubular rod part 31c of installation portion 31 has outside thread, is used for by nut 34 brake units 32 and switch unit 33 being fixed on installation portion 31.
Can see well that by Fig. 7 brake units 32 consists essentially of a hydraulic container (the container part 31b by installation portion 31 forms), a master cylinder (the tubular rod part 31c by installation portion 31 forms) and a piston 35.Brake units 32 is optionally operated by a main controls 37.Main controls 37 can also optionally be handled switch unit 33.Therefore, brake units 32 is double action controls that integrate brake operation and two kinds of functions of gear-change operation.Main controls 37 is constructed and arranged to when carrying out brake operation along as shown in Figure 3 brake path or brake lining when handlebar 14 moves.And main controls 37 is constructed and arranged to when it is carried out gear-change operation when as shown in Figure 6 shift path or gear shift face move, and this shift path or gear shift face and brake path and brake lining shown in Figure 3 are perpendicular.
Containers store has hydraulic fluid (mineral oil), the motion by piston in the master cylinder 35 is its pressurization, the motion of piston 35 be responded master lever 41 along the brake path or brake lining towards the pivoting action of handlebar 14.Then, the hydraulic fluid after the pressurization is controlled rear brake device 20 in a conventional manner.Preferably, rear brake device 20 is a kind of traditional hydraulic brakes.The parts of rear brake device 20 are traditional relatively, therefore just no longer these parts and operation thereof are gone through and have set forth here.Same, Front brake device 28 is preferably traditional hydraulic brake, also no longer it is gone through and sets forth here.Alternatively, by repacking brake units 32 into the cable handle structure, the brake gear that can use cable to handle, thus realize some aspect of the present invention.
As described herein, as preferably, master cylinder and container and installation portion 31 form one, as single-piece main support parts.Master cylinder and container fluid each other are communicated with, thereby provide pressure fluid to rear brake device 20, to respond the operation of main controls 37, carry out brake operation in a conventional manner.
Main controls 37 is connected on the master cylinder (tubular rod part 31c), with when carrying out gear-change operation around the central cylinder rotational of master cylinder.Preferably, main controls 37 comprises a master lever 41 and an attaching parts or encircles 42.Master lever 41 is pivotably mounted on the attaching parts 42 by a trunnion 43, and master lever 41 will be along the brake path movement that is limited by brake lining like this, this brake lining edge and the perpendicular direction extension of the pivot of trunnion 43.The pivot axis that trunnion 43 is arranged so that trunnion 43 is along extending with the perpendicular direction of the central cylinder axis of master cylinder (tubular rod part 31c).Attaching parts or encircle 42 and be installed on the outside face of master cylinder (tubular rod part 31c).Attaching parts or encircle 42 be configured to can be along shift path around the rotation of the central cylinder axis of master cylinder (tubular rod part 31c), this shift path is by limiting along the gear shift face that extends perpendicular to the direction of the brake lining in brake path.Therefore, master lever 41 both can also can be used as the gear shift control stalk as the brake control stalk.
Referring to Fig. 2,3,6 and 8, main controls 37 and the installation on installation portion 31 thereof are discussed below.Main controls 37 rotatably is installed on the tubular rod part 31c of installation portion 31 by attaching parts 42.Can find out well that from Fig. 8 attaching parts 42 has a swivel eye part 42a, a control stalk mounting portion 42b, a pawl mounting flange 42c and a stop lug 42d.Substantially, swivel eye part 42a is sleeved on the tubular rod part 31c of installation portion 31 (master cylinder), and fixed thereon by nut 34.Therefore, by the free end to master lever 41 apply one basic upwards or downward substantially power attaching parts 42 is rotated around the central cylinder axis of master cylinder (tubular rod part 31c).
Can find out well that from Fig. 2,3 and 7 main controls 37 comprises that also one is connected the centre portion of master lever 41 and the pipe link 46 between the piston 35.Therefore, when master lever 41 when moving perpendicular to the brake path of the pivot axis of trunnion 43 or brake lining, piston 35 at master cylinder (tubular rod part 31c) thus in motion realization brake operation.
Particularly, can find out well from Fig. 7 that piston 35 places in the master cylinder (tubular rod part 31c) slidably, to start rear brake device 20 (Fig. 1).As preferably, piston 35 be set in the cylinder (tubular rod part 31c) and with the compression spring 48 outside bias voltages of the interior end in contact of piston 35.Like this, master lever 41 under normal circumstances is biased to non-normal danger by compression spring 48, and this compression spring acts on the piston 35, and piston 35 acts on again and master lever 41 bonded assembly pipe links 46 then.Piston 35 preferably includes a pair of grommet type seals 50, and hydraulic fluid (mineral oil) just is maintained in master cylinder (tubular rod part 31c) and the container like this.The relative tradition with the operation of piston 35 of master cylinder is not so do concrete the discussion and elaboration at this to these parts and operation thereof.
Switch unit 33 is discussed below.To shown in Figure 8, switch unit 33 is installed around the central cylinder axis of master cylinder (tubular rod part 31c) basically, thereby a kind of compact design is provided as Fig. 2.In addition, such configuration has been arranged, master lever 41 can also the main gear shift control stalk as switch unit 33 as mentioned below.Therefore, switch unit 33 comprises aforesaid main controls 37 substantially, line tightener 52, and line tightens up bias piece or spring 54, gear shift line position control mechanism 56 and time controls or inferior joystick 58.The configuration of switch unit 33 makes the cyclist need not note the position of hand on the handlebar 14 switching backgear that just can raise speed or slow down.As described below, master lever 41 all functionally is connected on the online tightener 52 by gear shift line position control mechanism 56 with time joystick 58, optionally to reel or to unclamp inner wire 18a.
Master lever 41 is constructed and is configured to both can be used as the coiling control stalk, also can also be used as the brake control stalk as discharging control stalk.Inferior joystick 58 is constructed and is configured to only as discharging control stalk.Therefore, thereby master lever 41 can pivot on first direction and rotates in the take-up direction line tightener 52, thereby also can pivot on second direction along unclamping direction rotational line tightener 52.Master lever 41 and time joystick 58 all are configured to trigger type control stalk, their dead positions of can rebounding after beinging maneuvered to gear.
Master lever 41 structure of main controls 37 be configured to along shift path or gear shift face around with the consistent or parallel gear shift axial-movement of central axis of cylinder (tubular rod part 31c), thereby the realization gear-change operation.Main controls 37 structures and configuration are used for carrying out acceleration and deceleration operation, for example tension (coiling) and release (unclamping).Inferior joystick 58 also construct with configuration be used for along shift path or gear shift face around with the consistent or parallel gear shift axial-movement of center shaft of master cylinder (tubular rod part 31c), thereby realize gear-change operation.But inferior joystick 58 only is configured to be used for discharging inner wire 18a.
By a control stalk return mechanism, master lever 41 and time joystick 58 remain on their dead position, and this return mechanism comprises that a bias piece 59, separator or packing ring 60 and one promote packing ring 61.This bias piece 59 is preferably torsion spring, and the one end is connected on the hole of time joystick 58, and the other end connects a protruding 61a who promotes packing ring 61, and promotion packing ring 61 promotes to be connected the attaching parts 42 on the master lever 41.Therefore, master lever 41 is biased on the rotation direction opposite with inferior joystick 58.Separator or packing ring 60 structures and configuration are used for keeping suitable axial distance between master lever 41 and inferior joystick 58, bias piece 59 just can axially not be squeezed between them like this.
When master lever 41 or inferior joystick 58 along substantially upward when mobile, based on the structure of rear derailleur 16, slow down or the speed-raising operation is achieved.When master lever 41 by the cyclist along substantially upward when mobile, inferior joystick 58 will be thereupon along substantially upward to moving.But, when inferior joystick 58 by the cyclist along substantially upward when mobile, master lever 41 keeps motionless.
Can see from Fig. 9 to Figure 15, wherein show the unclamp operation of line, based on the structure of rear derailleur 16, deceleration or the unclamp operation of quickening to operate by cable are achieved.Though Fig. 9 to Figure 15 shows time joystick 58 and is being handled, when master lever 41 when the sense of motion (cable unclamp direction) identical with Fig. 9 inferior joystick extremely shown in Figure 15 58 moves, identical motion also can occur.Therefore, when the cyclist promoted master lever 41 or inferior joystick 58 substantially in the upward direction, interior lines 18a was released, and interior lines 18a can be unclamped from the surrounding edge of line tightener 52.The interior lines released movement of interior lines 18a is handled rear derailleur 16, make chain with respect to the centre plane of bicycle 10 along sideway movement, thereby chain is moved on on another gear or the sprocket wheel from a gear or sprocket wheel.Inferior joystick 58 comprises a ring part 58a, and a pawl is installed protruding 58b and a stopper protrusion 58c.
On the other hand, to shown in Figure 19, the master lever 41 of main controls 37 is promoted substantially in a downward direction to quicken or deceleration-operation to carry out as Figure 16, and this depends on the structure of dialling the chain device.When the cyclist promoted master lever 41 along downward substantially direction, inner wire 18a was pulled the periphery with the online tightener 52 of reeling.Rear derailleur 16 is handled in the tension motion of the interior lines of inner wire 18a, make blockchain along with respect to the centre plane of bicycle 10 along sideway movement, like this, chain just moves on on next gear or the sprocket wheel from a gear or sprocket wheel.
Can find out well that from Fig. 8 line tightener 52 is single piece of being made by the hard rigid plastic material.Line tightener 52 is an annular element basically, be rotatably installed in master cylinder (tubular rod part 31c) around, the central cylinder dead in line of the central pivotal axis of this line-transect tightener 52 and master cylinder (tubular rod part 31c).Line tightener 52 is preferably mounted on the tubular rod part 31c of installation portion 31, and is provided with tubular gasket 53 between them.Tubular gasket 53 structure and be configured to can online tightener 52, line tightens up between the parts of bias piece 54, gear shift line position control mechanism 56 and inferior controls or the joystick 58 and keeps suitable axial distance.Especially, first end of tubular gasket 53 contacts with spring supporting ring 55, and second end contacts with the part of gear shift line position control mechanism 56, and each parts just can freely rotate on the tubular rod part 31c of installation portion 31 like this.
Can find out well that from Fig. 8 line tightener 52 has a plurality of centre hole 52b projection 52a and cable point of connection 52c that are positioned on line tightener 52 outside faces on every side that are surrounded on.The end of the interior lines 18a of back gear shift cable 18 is fixed on the cable point of connection 52c, and the other end is connected on the rear derailleur 16.Therefore, when pulling interior lines 18a, interior lines 18a will reel round the periphery of line tightener 52, and is extremely shown in Figure 13 as Fig. 8, thus control rear derailleur 16.
As Fig. 2, Fig. 3, Fig. 7 and shown in Figure 8, line tightens up the torsion spring that bias piece 54 is coilings, one end 54a of this torsion spring connects on the hook of online tightener 52, and other end 54b is positioned at a hole that forms on the main supporter, and this main supporter forms the housing of container.Therefore, line tightener 52 is around biased along first rotation direction with the rotation gear shift axis of the central cylinder dead in line of master cylinder (tubular rod part 31c).To shown in Figure 19, line tightens up bias piece 54 around rotation gear shift axis as Fig. 9, and in the counterclockwise direction, just the gear shift line direction of unclamping promotes line tightener 52.When Icycle control device 12 during in its normal dead position, on the line tightener 52 by minor load to keep gear.
Still referring to Fig. 7 and Fig. 8, position control mechanism 56 is installed in master cylinder (tubular rod part 31c) and is used for the position of control line tightener 52 on every side, thereby controls the gear of rear derailleur 16 by tension or the interior lines 18a that loosens back gear shift cable 18.Position control mechanism 56 comprises a gear maintaining body 62, a gear releasing mechanism 64 and a gear winding mechanism 66.Gear releasing mechanism 64 functionally is connected to position control mechanism 56, thus the direction rotation that line tightener 52 can be unclamped along the line.Gear winding mechanism 66 functionally is connected to position control mechanism 56, thereby line tightener 52 can be rotated in the take-up direction.
Preferably, as shown in Figure 8, gear maintaining body 62 comprises that substantially 68, one master levers of a hold-down bolt keep 69, one installation/control pieces of structure or coil 70, one locating brake structure 71 and gear shift locationss or coiling 72.
Hold-down bolt 68 is fixed on the positioning control mounting portion 31d of installation portion 31.Especially, among the hole 68a of the positioning control mounting portion 31d of hold-down bolt 68 screw-in installation portions 31.Hold-down bolt 68 keeps structure 69, installation/control piece or dish and location brake structure 71 to be fixed on the positioning control mounting portion 31d of installation portion 31 master lever.
As shown in Figure 8, master lever keeps structure 69 to comprise a piece 69a substantially, a compression spring 69b and a control stalk engage ball 69c.Compression spring 69b and position keep ball 69c to be installed in the hole of piece 69a, and the position keeps ball 69c just to be biased into the peripheral edge of the swivel eye part 42a of attaching parts 42 like this.The peripheral edge of the swivel eye part 42a of attaching parts 42 has a notch, and when master lever 41 all was in its dead position with time joystick 58, the position kept ball 69c to engage this notch.
Can see well from Fig. 8, installation/control piece or coil 70 comprise substantially a set collar part 70a, hold-down arm 70b, one discharge control stalk stopper protrusion 70c, release piece throws off projection 70d and a coiling pawl is thrown off projection 70e.Set collar part 70a installs around tubular rod part 31c, and hold-down arm 70b then is fixed on the 31d of positioning control mounting portion by spiral shell inspection 68 is installed.Installation/control piece or coil 70 hold-down arm 70b and also will locate brake structure 71 and remain on the 31d of positioning control mounting portion.One end of bias piece 59 is positioned at the hole of ring part 58a, and stopper protrusion 58c is usually to discharging control stalk stopper protrusion 70c bias voltage like this, thereby makes time joystick 58 remain on its dead position.
Still with reference to Fig. 8, location brake structure 71 comprises that substantially 73, one positions of a retainer detent keep ball 74 and a compression spring 75.This brake component 73, position keep ball 74 and compression spring 75 structures and configuration to form a kind of bistable (toggle) structure, and brake component 73 just can keep ball 74 optionally to remain on (as Fig. 9 and shown in Figure 11) on two different engage positions by the position like this.Therefore, brake component 73 is position retaining members, and is optionally biased along first direction when being positioned at first engage position, biased along second direction when being positioned at second engage position.
Gear shift locations or coil 72 rotatablely move and make brake component 73 overcome compression spring 75 to act on the position and keep power on the ball 74 and oscillate (bistable).Can find out well that from Figure 28 to Figure 30 brake component 73 comprises the Control arm 73a and the cam arm 73c who has the pair of cams face that have banking pin 73b.Brake component 73 is pivotably connected on the 31d of positioning control mounting portion by trunnion 76, this trunnion 76 remain on installation/control piece or coil 70 and positioning control mounting portion 31d between.The position keeps ball 74 can respond rotatablely moving of gear shift dowel disc 72, optionally engages with the free-ended camming surface that is positioned at cam arm 73c, by this, makes brake component 73 optionally remain on (as Fig. 9 and shown in Figure 11) on two different positions.Particularly, brake component 73 rotatablely moves and pivots with gear shift dowel disc 72, and gear shift dowel disc 72 then is along with gear releasing mechanism 64 unclamps the direction rotation along the line, and along with gear winding mechanism 66 rotates in the take-up direction.This pivoting action of brake component 73 makes cam arm 73c overcome the application force of compression spring 75 and the shift position keeps ball 74.When the position kept ball 74 to switch to another camming surface of cam arm 73c from being positioned at the free-ended camming surface of cam arm 73c, the position kept ball 74 that brake component 73 from two diverse locations is biased in these two diverse locations another (as Fig. 9 and shown in Figure 11).Therefore, as Fig. 9 to shown in Figure 19, when position control mechanism 56 when a gear goes to next gear, brake component 73 is changed back and forth.
Can find out well from Figure 22 to Figure 24, gear shift locations or coil 72 and comprise that substantially a centre hole 72a, one have the first tooth section of a plurality of first (inboard) recess 72b, the second tooth section and one group of coiling ratchet 72d that has a plurality of second (outside) recess 72c, wherein, the first tooth paragraph qualification first group of gear, the second tooth paragraph qualification second group of gear.First (inboard) recess 72b and second (outside) recess 72c constitute the position and keep recess.Gear shift locations or coil 72 and also comprise outer slope or face 72e and interior slope or the face 72f of tiltedly leading of tiltedly leading, these are led slope or guide face and are in angle and form pattern in a zigzag.That is to say, leading slope or guide face 72e and 72f is to lead the slope with one to keep the recess 72b mode adjacent with 72c to arrange with a position respectively, when rotating in the take-up direction under the control of gear shift dowel disc 72 at master lever, be respectively applied for guiding banking pin 73b between position adjacent maintenance recess.
Centre hole 72a is a non-circular hole, and the projection 52a of this hole and line tightener 52 is complementary, thereby line tightener 52 and gear shift dowel disc 72 are rotated together.In the present embodiment, first recess 72b on the first tooth section and the second recess 72c on second toothed segment keep groove (detent retaining slot) to form by the mono-ratchet on the gear shift dowel disc 72.The second recess 72c on second toothed segment is radially more farther than the first recess 72b on first toothed segment apart from pivot center.
Gear releasing mechanism 64 functionally is connected on the master lever 41 of main controls 37 and on the inferior joystick 58, and master lever 41 and time joystick 58 may be used to carry out gear-change operation like this.Particularly, inferior joystick 58 is constructed and is configured to be independent of master lever 41 in the motion process of inferior joystick 58 and operates.But when master lever 41 unclamped the direction motion along the line, master lever 41 and time joystick 58 can rotate together.
Fig. 9 to Figure 15 shows unclamp operation.Although Fig. 9 to Figure 15 illustrates time joystick 58 and is being handled, when master lever 41 when the direction (line unclamp direction) identical with the inferior joystick 58 shown in Fig. 9 to Figure 15 figure moved, same motion can take place.Therefore, and though the cyclist along substantially upward to promoting the still inferior joystick 58 of master lever 41, thereby interior lines 18a can be released interior lines 18a is unclamped from the periphery of line tightener 52.The interior lines released movement control rear derailleur 16 of these interior lines 18a makes it move chain along a lateral with respect to the centre plane of bicycle 10, and chain just moves on on next gear or the sprocket wheel from a gear or sprocket wheel like this.
As preferably, gear releasing mechanism 64 comprises a cam release member substantially or coils 80, position release pieces 81, release piece mount pin 82, a release piece bias piece 83 and a retaining clip 84.Position release piece 81 is fixed on time joystick 58 pivotly by release piece mount pin 82 and retaining clip 84.Release piece bias piece 83 is torsion springs, can it optionally be meshed biased position release piece 81 with cam release dish 80.
Can see well from Figure 25 to Figure 27, cam release dish 80 comprises that substantially a centre hole 80a, one have first cam segment of a plurality of force surface 80b, second tooth section that has a plurality of second force surface 80c and one group and unclamp ratchet 80d, here, force surface 80b has determined one group of first brake shoe expander, and the second force surface 80c has determined one group of second brake shoe expander.Cam release dish 80 also comprises a release projection 80e, reel protruding 80f and one group of coiling ratchet 80g.
In the present embodiment, first force surface 80b on first cam segment and the second force surface 80c on second cam segment are formed by the single groove on the cam release dish 80.The second force surface 80c on second cam segment is radially more farther than the first force surface 80b on first cam segment apart from pivot center.Protruding 80e on the cam release dish 80 and 80f are from the principal plane vertical extent of cam release dish 80.Protruding 80e on the cam release dish 80 and the structure of 80f and be configured to allow between gear shift dowel disc 72 and cam release dish 80, to have limited rotary gap.But in case protruding 80e or 80f are meshed with gear shift dowel disc 72, gear shift dowel disc 72 and cam release dish 80 can move together around main gear shift axis usually.Limited amount rotary gap makes the first and second force surface 80b of cam release dish 80 and 80c overlapping with the first and second recess 72b and the 72c of gear shift dowel disc 72 respectively between gear shift dowel disc 72 and the cam release dish 80.In other words, as Fig. 9 to shown in Figure 14, gear shift dowel disc 72 and cam discharge limited rotatablely moving between the salver 80 make among the first and second force surface 80b of cam release dish 80 and the 80c one touch the banking pin 73b of brake component 73 and with the banking pin 73b of brake component 73 from first and second recess 72b of gear shift dowel disc 72 and a release in the middle of the 72c.
Position release piece 81 is fixed on time joystick 58 pivotally, and optionally the ratchet 80d with cam release dish 80 meshes.When inferior joystick 58 was in normal dead position, position release piece 81 rests on release piece threw off on the protruding 70d, and position release piece 81 just can not mesh with the ratchet 80d of cam release dish 80 like this.But, when the cyclist unclamp along the line direction with inferior joystick 58 when normal dead position promotes, release piece bias piece 83 will biased position release piece 81 with a ratchet 80d engagement of cam release dish 80.Being moved further of inferior joystick 58 makes cam release dish 80 rotate, and the protruding 80e on the cam release dish 80 will contact gear shift dowel disc 72 like this.Here, limited between gear shift dowel disc 72 and the cam release dish 80 rotatablely moves and makes among the first and second force surface 80b of cam release dish 80 and the 80c one touch the banking pin 73b of brake component 73 and will release in the middle of the first and second recess 72b of gear shift dowel disc 72 and 72c one of the banking pin 73b of brake component 73.The motion of deviating from the banking pin 73b of brake component 73 in the middle of the first and second recess 72b of gear shift dowel disc 72 and 72c makes the cam arm 73c of brake component 73 overcome the position to keep the biasing force that ball 74 and compression spring 75 applied and move.The pivoting action of brake component 73 makes cam arm 73c keep crossing on the ball 74 in the position, and the position keeps the application force of ball 74 and 75 couples of cam arm 73c of compression spring to be transformed on another camming surface from the camming surface of cam arm 73c like this.Therefore, to shown in Figure 14, brake component 73 is forced to from a gear and moves to next gear as Fig. 9.This configuration permission, makes and can move at least two adjacent predetermined gears in the one-time continuous gear-change operation around directional control master lever 41 and time joystick 58 along the non-coil of wire.In this illustrated embodiment, master lever 41 preferably has a moving range, makes the cyclist onlinely to unclamp and only moves a gear on (release) direction at every turn.Inferior joystick 58 preferably has a moving range, makes the cyclist can move one, two and three gears selectively in the one-time continuous gear-change operation.In other words, gear shift dowel disc 72 and cam release dish 80 are constructed and are configured to move together, thereby brake component 73 can switch between the first and second recess 72b of gear shift dowel disc 72 and the adjacent recesses place among the 72c, to allow the cyclist can move one, two or three gears in the gear-change operation of one-time continuous, this depends on moving of joystick 41 or 58.
Gear winding mechanism 66 comprises the ratchet 72d of gear shift dowel disc 72, position coiling pawl 91, coiling pawl mount pin 92, a coiling pawl bias piece 93 and a retaining clip 94 substantially.Position coiling pawl 91 is fixed on the attaching parts 42 of main controls 37 pivotally by coiling pawl mount pin 92 and retaining clip 94.Coiling pawl bias piece 93 is torsion springs, be used for biased position coiling pawl 91 with optionally with the ratchet 72d of gear shift dowel disc 72 engagement.
When master lever 41 was in normal dead position, position coiling pawl 91 rested on the coiling pawl release projection 70e, and position coiling pawl 91 just can keep throwing off with the ratchet 72d of gear shift dowel disc 72 like this.But, when the cyclist along the coil of wire around direction with master lever 41 when normal dead position is pushed open, coiling pawl bias piece 93 biased position coiling pawls 91 make a ratchet 80g engagement of the ratchet 72d and the cam release board 80 of itself and gear shift dowel disc 72.The further motion of master lever 41 is rotated gear shift dowel disc 72 and cam release board 80 together.Here, gear shift dowel disc 72 and cam release board 80 rotate together make the banking pin 73b of brake component 73 along guide face 72e of gear shift dowel disc 72 or 72f from gear shift dowel disc 72 the first and second recess 72b and 72c one in deviate from.The motion of deviating among the banking pin 73b of brake component 73 from the first and second recess 72b of gear shift dowel disc 72 and 72c makes the cam arm 73c of brake component 73 overcome the position to keep the biasing force that ball 74 and compression spring 75 applied and move.The pivoting action of brake component 73 makes cam arm 73c keep crossing on the ball 74 in the position, and like this, the position keeps the biasing force of ball 74 and compression spring 75 to be converted on another camming surface of cam arm 73c from the free-ended camming surface of cam arm 73c.Therefore, to shown in Figure 19, brake component 73 is forced to from a gear and moves to next gear as Figure 15.This configuration allows coiling direction along the line to handle master lever 41, makes and can move at least two (preferred three) adjacent predetermined gears in the gear-change operation of one-time continuous.In other words, gear shift dowel disc 72 and cam release board 80 are constructed and are configured to and can move together, brake component 73 can switch between the first and second recess 72b of gear shift dowel disc 72 and the adjacent recesses place among the 72c like this, to allow the cyclist can move one, two or three gears in the gear-change operation of one-time continuous, this depends on moving of joystick 41.
Aspect understanding scope of the present invention, term " comprises " speech (" comprising ") and derivative thereof, it is open-ended term, indicate the appearance that described feature, element, component part, group, integral body and/or step will be arranged, but do not get rid of the appearance of other NM feature, element, component part, group, integral body and/or step.Above-mentioned explanation also is applicable to the speech with close meaning, and for example term " comprises " (" including "), " having " (" having ") and derivative thereof.In addition, term " member " (" member ") or " element " (" element ") when being used as singulative, have the double meaning of a part or a plurality of parts.At last, the term of expression degree, for example departing from of " basically " (" substantially "), " approximately " (" about ") of using of this paper and " approximate " (" approximately ") expression reasonable amount of changing, final like this result can not have significant change.These degree terms should be interpreted as having at least for having the term of changing implication ± 5% float, and can not negate the implication of former speech as long as this floats.
Although only selected several embodiment that the present invention is described here, but those skilled in the art can obviously find out from this disclosure, can do various variations and change to the present invention, and do not exceed the appended scope of the invention that claim limited, in addition, the above-mentioned description of specific embodiment being done according to the present invention only is used as casehistory, is not to be used to limit the present invention as claims and equivalent thereof.
1. be used for the position control mechanism of Icycle control device, comprise:
Locations constructs and is configured to rotate between a plurality of predetermined gears around rotation axis;
The position holding element, the structure and be configured to optionally between first engage position and second engage position, move, wherein said first engage position remains on described locations on the predetermined gear, and described second engage position remains on described locations on another predetermined gear different with described first engage position; And
Release member functionally is connected on the holding element of described position, thereby moves described position holding element between described first and second engage positions.
2. position control mechanism according to claim 1, wherein
Described release member structure and configuration are used for moving described position holding element, thereby described locations turns at least two adjacent predetermined gears in a gear-change operation.
3. position control mechanism according to claim 1 further comprises:
Joystick, structure and configuration are used for moving described release member.
4. position control mechanism according to claim 3, wherein
Described joystick is a member that is independent of described release member.
5. position control mechanism according to claim 1, wherein
Described release member comprises a plurality of force surfaces, and these force surface structures are used for optionally contacting described position holding element with configuration.
6. position control mechanism according to claim 5, wherein
Described force surface forms slit on described release member.
7. position control mechanism according to claim 1, wherein
Described locations comprises first tooth section that has a plurality of first recess and the second tooth section that has a plurality of second recess, the described first tooth paragraph qualification first group of gear, the described second tooth paragraph qualification second group of gear, wherein, described position holding element is a brake component, and alternating movement between described first and second recess is constructed and be configured to described brake component.
8. position control mechanism according to claim 7, wherein
Described locations is the dish that has the described second tooth section, and radially the described rotation axis of distance is more farther than the described first tooth section for the described second tooth section.
9. position control mechanism according to claim 1, wherein
Described position holding element is optionally biased along first direction when being positioned at described first engage position, and is biased along second direction when being positioned at described second engage position.
10. position control mechanism according to claim 1, wherein
The ratchet that described locations comprises a plurality of structures and is configured to be engaged by first pawl, to rotate along first rotation direction around described rotation axis, the ratchet that described release member comprises a plurality of structures and is configured to be engaged by second pawl is to rotate around described rotation axis edge and second rotation direction of described first direction of rotation.
11. position control mechanism according to claim 1 further comprises
The line tightener is connected with described locations moving with described locations, and is configured to respond described locations and strains around the rotation of described rotation axis and discharge cable.
12. be used for the position control mechanism of Icycle control device, comprise:
Locations is constructed and is configured to around rotation axis rotation, and has the first tooth section and the second tooth section, the described second tooth section radially the described rotation axis of distance than the described first tooth Duan Yuan; And
The position holding element, construct and be configured to optionally between first engage position and second engage position, to move, wherein at the indented joint of described first engage position described position holding element and the described first tooth section, at the indented joint of second engage position described position holding element and the described second tooth section, thereby optionally described locations is remained on in a plurality of predetermined gears one.
13. position control mechanism according to claim 12 further comprises
14. position control mechanism according to claim 13 further comprises
15. position control mechanism according to claim 14, wherein
16. position control mechanism according to claim 13, wherein
The described first tooth section comprises a plurality of first recess that define first group of gear, the described second tooth section comprises a plurality of second recess that define second group of gear, described position holding element is a brake component, and alternating movement between described first and second recess is constructed and be configured to described brake component.
17. position control mechanism according to claim 16, wherein
Described release member comprises a plurality of first force surfaces and a plurality of second force surface, described first force surface is constructed respectively with being configured to and is optionally contacted described position holding element, thereby described brake component is shifted out described first recess, described second force surface is constructed respectively with being configured to and is optionally contacted described position holding element, thereby described brake component is shifted out described second recess, to respond described release member moving with respect to described locations.
18. position control mechanism according to claim 17, wherein
19. position control mechanism according to claim 12, wherein
20. position control mechanism according to claim 12, wherein
21. position control mechanism according to claim 12 further comprises
22. Icycle control device comprises:
Bicycle mounting portion; Controls is pivotally connected on the described bicycle mounting portion around the gear shift axis, to realize gear-change operation by discharging the gear shift cable at least; And
Switch unit comprises position control mechanism, and described position control mechanism comprises locations, constructs and be configured to rotate between a plurality of predetermined gears around rotation axis;
The line tightener is connected with described locations moving with described locations, and is configured to respond described locations and discharges described gear shift cable by described controls along unclamping the rotation of direction around described rotation axis.
23. Icycle control device according to claim 22, wherein
Described controls also is pivotally connected on the described bicycle mounting portion around the brake axis, to realize brake operation along the brake path movement time.
24. Icycle control device according to claim 22, wherein
Described controls also functionally is connected on the described position control mechanism, to rotate described line tightener along coiling direction.
25. Icycle control device according to claim 24 further comprises
Inferior controls is pivotally connected on the described bicycle mounting portion around described gear shift axis, and operability is connected on the described position control mechanism, rotates described line tightener with the direction that cable along the line unclamps.
CNB2005101237886A 2005-05-19 2005-11-22 Position control mechanism for bicycle control device CN100427355C (en)
US11/132,431 2005-05-19
US11/132,431 US7650813B2 (en) 2005-05-19 2005-05-19 Position control mechanism for bicycle control device
CN1865077A CN1865077A (en) 2006-11-22
CN100427355C true CN100427355C (en) 2008-10-22
ID=36283867
CNB2005101237886A CN100427355C (en) 2005-05-19 2005-11-22 Position control mechanism for bicycle control device
US (1) US7650813B2 (en)
EP (1) EP1724189B1 (en)
JP (1) JP2006321479A (en)
CN (1) CN100427355C (en)
BR (1) BRPI0600223A (en)
DE (1) DE602006011235D1 (en)
TW (1) TWI277566B (en)
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2005-05-19 US US11/132,431 patent/US7650813B2/en active Active
2005-11-09 TW TW94139308A patent/TWI277566B/en active
2005-11-22 CN CNB2005101237886A patent/CN100427355C/en active IP Right Grant
2006-02-02 BR BRPI0600223 patent/BRPI0600223A/en not_active IP Right Cessation
2006-04-06 EP EP20060007303 patent/EP1724189B1/en active Active
2006-04-06 DE DE200660011235 patent/DE602006011235D1/en active Active
2006-05-12 JP JP2006134332A patent/JP2006321479A/en active Pending
DE602006011235D1 (en) 2010-02-04
JP2006321479A (en) 2006-11-30
TW200640737A (en) 2006-12-01
TWI277566B (en) 2007-04-01
EP1724189A2 (en) 2006-11-22
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2006-11-22 PB01 Publication
2007-01-17 SE01 Entry into force of request for substantive examination