Source: https://patents.google.com/patent/JP4023884B2/en
Timestamp: 2020-08-04 11:51:36
Document Index: 179204089

Matched Legal Cases: ['arts 113', 'art 102', 'art 102', 'art 102', 'art 111', 'art 111', 'art 112']

JP4023884B2 - Contact opening / closing mechanism of switch device - Google Patents
Contact opening / closing mechanism of switch device Download PDF
JP4023884B2
JP4023884B2 JP32839297A JP32839297A JP4023884B2 JP 4023884 B2 JP4023884 B2 JP 4023884B2 JP 32839297 A JP32839297 A JP 32839297A JP 32839297 A JP32839297 A JP 32839297A JP 4023884 B2 JP4023884 B2 JP 4023884B2
JP32839297A
JPH11162292A (en
枝折 藤好
1997-11-28 Application filed by 神保電器株式会社 filed Critical 神保電器株式会社
1997-11-28 Priority to JP32839297A priority Critical patent/JP4023884B2/en
1999-06-18 Publication of JPH11162292A publication Critical patent/JPH11162292A/en
2007-12-19 Publication of JP4023884B2 publication Critical patent/JP4023884B2/en
The present invention relates to a contact opening / closing mechanism suitable for a push button type switch device, a piano handle type switch device, or the like having a configuration in which a movable contact member swings in contact with or is separated from a fixed contact provided in an apparatus main body. .
A push button type switch device and a piano handle type switch device used for turning on / off indoor lighting as an indoor wiring device have a movable contact member swingable around a fulcrum inside the device body. When the movable contact member contacts or separates from the fixed contact, the indoor wiring circuit connected between the contacts can be turned on / off.
Conventionally, as this type of switch device, there is a piano handle type switch disclosed in JP-A-6-111686.
The contact opening / closing mechanism of the switch is configured as follows (see FIG. 6).
That is, return spring pieces 33a and 33a are provided on both sides of the slide cam 33, and the slide cam 33 can be returned to the neutral position by the spring pieces 33a and 33a. A pair of engaging cam bodies 38 project from the center of the lower surface of the slide cam 33 disposed between the spring pieces 33a and 33a.
The slide cam 33 is slidably fitted in a slide cam slide groove formed on the lower surface portion of the push button handle 32. The spring pieces 33a and 33a are also fitted into the slide cam slide groove integrally with the slide cam 33.
A pair of hooking protrusions 34 corresponding to the pair of hooking cam bodies 38 provided on the slide cam 33 are provided on the upper part of the reverse handle 31 that rotates in a reverse direction. When the push button handle 32 is pushed down, one of the engaging projections 34 is brought into contact with the inner surface of the engaging cam body 38 corresponding to the engaging projection 34, and the engaging cam body 38 slides against the spring pieces 33a and 33a. At the same time, the hooking projection 34 is pushed down by the hooking cam body 38 and the reverse handle 31 is rotated in reverse.
In the figure, reference numeral 37 denotes a return spring of the push button handle 32. When the pushing force on the push button handle 32 is released, the push button handle 32 is restored by the urging force of the return spring 37.
In the contact opening / closing mechanism configured as described above, the return spring pieces 33a and 33a of the slide cam 33 and the return spring 37 of the push button handle 32 are configured as separate members, and the spring pieces 33a and 33a are assembled to the slide cam 33. And is fitted in the slide cam slide groove. On the other hand, the return spring 37 of the push button handle 32 is incorporated in another position of the apparatus main body.
Accordingly, since two types of spring members, ie, the spring pieces 33a and 33a and the return spring 37 are required, there is a problem that the number of parts increases and the product cost becomes high. Moreover, since the spring pieces 33a and 33a and the return spring 37 need to be separately assembled or assembled, the assembly work is complicated.
The present invention has been made to solve such a problem, and an object of the present invention is to provide a contact opening / closing mechanism of a switch device which has a small number of parts and can be easily assembled.
In order to achieve the above object, the present invention provides a switch device having a configuration in which a movable contact member swings into contact with or is separated from a fixed contact provided inside a device body. It is a mechanism.
(A) An operating body mounted on the apparatus main body so that it can be pushed and restored in a predetermined Z direction. (B) An X direction that moves integrally with the operating body in the Z direction and substantially perpendicular to the Z direction. (C) Engagement convex part formed on the slide drive body (d) The first and first parts formed on both sides in the X direction of the engagement convex part of the slide drive body 2 is provided in the main body of the pressing projection (e) so as to be swingable around a predetermined fulcrum, and the movable contact member is swung with a swinging motion around the fulcrum. A first pressure receiving portion (g) that is formed on the child and is capable of contacting the first pressing convex portion of the slide driving body and swings the converter in one direction as the slide driving body is pushed. And the second pressing convex part of the slide drive body can contact the When the id drive body is pushed in, the second press receiving portion (h) that swings the converter in the other direction is formed on the converter, and when the converter is in the swing position in the other direction, The engaging convex portion slides in contact with the pushing movement to move the slide drive body in a predetermined X direction, and the first pressing convex portion is brought into contact with the first pressing receiving portion and the second pressing is accompanied by this movement. Formed on the first slide guide surface (re) converter that separates the convex part from the second press receiving part, and when the converter is in the oscillating position in one direction, The mating projection slides to move the slide drive body in a predetermined X direction. With this movement, the second pressing projection is brought into contact with the second pressing receiving portion and the first pressing projection is moved to the first. The second slide guide surface (N) that is separated from the press receiving portion is provided in the apparatus body, and the operating body is While constantly urging the original direction of movement, biasing member [0012] which substantially uniformly urge the slide driving member from both sides in the X-direction
In the present invention having the above-described configuration, the urging of the operating body and the urging of the slide drive body are performed by a single urging member. Compared with the contact opening / closing mechanism disclosed in the above, the number of parts is reduced, and the product cost can be reduced and the assembly work can be facilitated.
When the operating body is pushed in by a pressing operation, the slide driving body also moves integrally in the pushing direction. At this time, when the first pressing convex portion formed on the slide driving body abuts on the first pressing receiving portion of the converter, the first pressing receiving portion is pushed by the pressing force from the slide driving body, and the converter is pressed. Swings in one direction. With this swing operation, the movable contact member swings, and the contact / separation state with the fixed contact is switched.
In parallel with this swinging operation, the engaging convex portion formed on the slide drive body is in sliding contact with the first slide guide surface of the converter, and the slide drive body is located on the one side in the X direction from the neutral point along the same surface. Move to. As a result, the second pressing convex portion of the slide drive body moves to a position where it does not come into contact with the second press receiving portion of the converter, and contact of these portions is avoided.
When the pressing operation of the operating body is completed, the operating body is restored and moved by the biasing force from the biasing member, and the slide drive body is also moved to the other side in the X direction by the biasing force from the biasing member and returns to the neutral position. .
Next, when the operating body is pushed by a pressing operation, the slide driving body moves integrally in the pushing direction, and the second pressing convex portion formed on the sliding driving body hits the second pressing receiving portion of the converter. Touch. As a result, the second press receiving portion is pushed in and the converter swings in the other direction. With this swing operation, the movable contact member swings, and the contact / separation state with the fixed contact is switched.
In parallel with this swinging operation, the engaging convex portion formed on the slide drive body is in sliding contact with the second slide guide surface of the converter, and the slide drive body is moved from the neutral point to the other side in the X direction along the same surface. Move to. As a result, the first pressing convex portion of the slide drive body moves to a position where it does not come into contact with the first pressing receiving portion of the converter, and contact of these portions is avoided.
The urging member is formed in a plate-shaped substrate, a central portion of the substrate, a cutout portion through which the slide drive body can move in the X direction, and extends from the substrate to restore and move the operating body. And an operating body biasing spring portion that constantly biases in the direction, and a slide driving body biasing spring portion that also extends from the substrate and biases the slide driving body from both sides in the X direction almost equally. Can do.
If the urging member is configured in this way, the substrate, the operating body urging spring portion, and the slide drive urging spring portion can be integrally formed by pressing or the like, and the number of processing steps can be reduced.
FIG. 1 is an exploded perspective view of a push button type switch device incorporating a contact opening / closing mechanism according to an embodiment of the present invention, and FIG. 2 is an external perspective view of the switch device. 3 is a front sectional view of the switch device, and FIG. 4 is a side sectional view of the switch.
As shown in FIGS. 1 and 3, the device main body 100 of the push button type switch device includes a container body 101 and a lid body 102. Inside the container body 101, there are a terminal member 103, a release button 104, a fixed contact member. 105, a movable contact support terminal 106, and a movable contact member 107 supported by the support terminal 106 so as to be swingable are incorporated.
The terminal member 103 constitutes a so-called screwless terminal structure, and holds the indoor wiring inserted into the electric wire insertion hole 101a formed in the bottom of the vessel body 101 so that the fixed contact member 105 or the movable contact support terminal 106 Make it electrically conductive. The release button 104 is for releasing the holding state of the indoor wiring by the terminal member 103. A tool such as a screwdriver is inserted into the release hole 101b formed in the body 101, and the release button 104 can be operated. Yes.
The fixed contact member 105 is formed by bending a metal plate, and a fixed contact 105a is provided in part. The movable contact support terminal 106 and the movable contact member 107 are also made of metal, and a movable contact 107 a is provided at the tip of the movable contact member 107. The base end portion of the movable contact member 107 is swingably supported by a movable contact support spring portion 106 a formed on the movable contact support terminal 106. As the movable contact member 107 swings, the movable contact 107a contacts or separates from the fixed contact 105a.
A contact opening / closing mechanism that swings the movable contact member 107 includes an operation body 110, a slide drive body 111, an urging member 112, and a converter 113. The operating body 110 is mounted in a recess formed on the upper surface of the lid body 102, and can be pushed and restored within a certain length in the vertical direction of FIG. 3 (in this specification, the same direction is the Z direction). It has become. A claw piece 110 a is formed on the side wall of the operation body 110, and the claw piece 110 a engages with a step portion 102 a formed on the inner wall of the lid body 102 to prevent the operation body 110 from coming off.
A slide guide portion of the slide drive body 111 is formed on the inner bottom portion of the operation body 110, and the slide drive body 111 is formed along the guide portion in the left-right direction of FIG. Direction). A push button 114 is detachably attached to the upper portion of the operation body 110.
As shown in FIG. 1, the urging member 112 has a configuration in which an operating body urging spring portion 112b and a slide drive urging spring portion 112c are formed integrally with the substrate 112a. The urging member 112 is disposed in a recess 102b formed on the upper surface of the lid body 102, and the operating body 110 is applied in the upward direction (restoring movement direction) in FIG. 3 by the urging force of the operating body urging spring portion 112b. It is fast. Further, the slide drive body urging spring portions 112c are engaged with both end surfaces in the X direction of the slide drive body 111, and urge the drive body 111 almost equally from both sides in the X direction. With this urging force, the slide driver 111 can return to the neutral position. In addition, a notch 112d through which the slide driver 111 can penetrate is formed in the center of the substrate 112a.
As shown in FIG. 3, the bottom surface of the slide driving body 111 is formed with an engaging convex portion 111a at the center, and the first and second pressing portions on both sides in the X direction of the engaging convex portion 111a. Protrusions 111b and 111c are formed. Each of these convex portions 111b and 111c protrudes downward from a notch portion 112d formed in the central portion of the substrate of the urging member 112. A notch 102c is also formed at the center of the bottom located in the recess 102b of the lid 102, and each of the protrusions 111b and 111c can move downward through the notch 102c. The notch portion 112d of the urging member 112 and the notch portion 102c of the lid body 102 are each formed to a size that allows the slide drive body 111 to move in the X direction.
The converter 113 has a mountain-shaped ridge 113A formed at the upper central portion, and the slope of the ridge 113A is the first and second slide guide surfaces 113a and 113b. Further, fulcrum portions 113 c and 113 c are formed at both ends of the protrusion 113 </ b> A, and these fulcrum portions 113 c and 113 c are swingably supported by a support groove 102 d formed in the lid 102. In this state, the protrusion 113A is opposed to the engagement convex portion 111a of the slide drive body 111 in the neutral position. Furthermore, the 1st, 2nd press receiving parts 113d and 113e are formed in the X direction both sides site | part of 113 A of protrusions. The first pressing receiving portion 113d faces the first pressing convex portion 111b formed on the slide drive body 111 in the neutral position. The second press receiving portion 113e is opposed to the second press convex portion 111c formed on the slide drive body 111 in the neutral position.
A locking portion 113 f for the movable contact member 107 is formed at the lower end portion of the converter 113, and the locking portion 113 f is locked to the upper end edges on both sides of the movable contact member 107. Thereby, the converter 113 and the movable contact member 107 form a link mechanism, and the movable contact member 107 also swings in conjunction with the swing of the converter 113. As shown in FIG. 3, a coil spring 115 is disposed on the inner bottom portion of the vessel body 101, and the movable contact member 107 and the converter 113 are urged toward the support groove 102 d side of the lid body 102 by the coil spring 115. ing. By this urging force, the link mechanism formed by the converter 113 and the movable contact member 107 constitutes a toggle mechanism.
Next, the operation will be described with reference to FIGS. FIG. 5 is a diagram for explaining the operation of the slide driver 111 and the converter 113.
When the operating body 110 is pushed together with the push button 114, as shown in FIG. 5A, the slide drive body 111 also moves in the pushing direction (direction of arrow I in FIG. 5) integrally. At this time, when the first pressing convex portion 111b formed on the slide driving body 111 comes into contact with the first pressing receiving portion 113d of the converter 113, as shown in FIG. The first pressing receiving portion 113d is pushed in by the pressing force, and the converter 113 swings in one direction (the direction of arrow II in FIG. 5). When the dead center of the toggle mechanism composed of the converter 113, the movable contact member 107, and the coil spring 115 is exceeded, the converter 113 is moved in the same direction (in the direction of arrow II in FIG. 5) by the biasing force of the coil spring 115. Try to swing to.
In parallel with this swinging operation, the engaging projection 111a formed on the slide driver 111 is in sliding contact with the first slide guide surface 113a of the converter 113, and the slide driver 111 is neutral along the same surface 113a. Move from the point to one side in the X direction (arrow III direction in FIG. 5). As a result, the second pressing convex portion 111c of the slide driver 111 moves to a position where it does not contact the second pressing receiving portion 113e of the converter 113, and the contact of these portions 111c and 113e is avoided.
When the pressing force to the operating body 110 is released, as shown in FIG. 5C, the operating body 110 is restored and moved in the direction of arrow IV in FIG. Also, the urging force from the urging member 112 moves to the other side in the X direction (arrow V direction in FIG. 5) and returns to the neutral point position. The converter 113 swings in the direction of arrow II in FIG. 5 with the urging force of the coil spring 115. With this swinging operation, the contact / separation state between the movable contact 107a and the fixed contact 105a is switched.
Next, when the operating body 110 is pushed by a pressing operation, the slide driving body 111 moves integrally in the pushing direction, and the second pressing convex portion 111 c formed on the slide driving body 111 is the second of the converter 113. It abuts on the pressure receiving portion 113e. As a result, the second press receiving portion 113e is pushed, and the converter 113 swings in the direction opposite to the arrow II in FIG.
In parallel with this swinging operation, the engaging projection 111a formed on the slide driver 111 is in sliding contact with the second slide guide surface 113b of the converter 113, and the slide driver 111 is neutral along the same surface 113b. Move from the point in the direction of arrow V in FIG. As a result, the first pressing convex portion 111b of the slide driver 111 moves to a position where it does not contact the first pressing receiving portion 113d of the converter 113, and the contact of these portions 111b and 113d is avoided.
When the pressing force to the operating body 110 is released, the operating body 110 is restored and moved in the direction of arrow IV in FIG. 5 by the biasing force from the biasing member 112, and the slide drive body 111 is also moved by the biasing force from the biasing member 112. It moves in the direction of arrow III in FIG. 5 and returns to the neutral point position. The converter 113 swings in the direction opposite to the arrow II in FIG. 5 with the biasing force of the coil spring 115. With this swinging operation, the contact / separation state between the movable contact 107a and the fixed contact 105a is switched.
In addition, this invention is not limited to embodiment mentioned above. For example, the present invention can be applied to a piano handle type switch device.
As described above, according to the contact opening / closing mechanism of the present invention, the urging of the operating body and the urging of the slide drive body are performed by a single urging member, so the number of parts is small. There is an effect that the assembling work becomes easy.
FIG. 1 is an exploded perspective view of a pushbutton switch device incorporating a contact opening / closing mechanism according to an embodiment of the present invention.
FIG. 2 is an external perspective view of the switch device.
FIG. 3 is a front sectional view of the switch device.
FIG. 4 is a side sectional view of the switch.
FIG. 5 is an operation explanatory diagram of a slide driver and a converter.
FIG. 6 is a diagram for explaining a conventional technique.
DESCRIPTION OF SYMBOLS 100: Device main body 101: Container 102: Lid 102a: Step part 102b: Recessed part 102c: Notch part 102d: Support groove 103: Terminal member 104: Release button 105: Fixed contact member 105a: Fixed contact 106: Movable contact support Terminal 107: Movable contact member 107a: Movable contact 110: Operating body 111: Slide drive body 111a: Engaging convex part 111b: First pressing convex part 111c: Second pressing convex part 112: Energizing member 112a: Substrate 112b : Operating body biasing spring portion 112c: Slide driver biasing spring portion 112d: Notch portion 113: Converter 113A: Projection 113a: First slide guide surface 113b: Second slide guide surface 113c: Support point portion 113d: First 1 pressing receiving portion 113e: second pressing receiving portion 113f: locking portion 114: push button 115: coil spring
In the switch device having a configuration in which the movable contact member swings in contact with or is separated from the fixed contact provided inside the device body,
An operating body mounted on the apparatus main body so as to be pushed and restored in a predetermined Z direction;
A slide driving body arranged so as to move in the Z direction integrally with the operation body and to be movable in the X direction substantially perpendicular to the Z direction;
An engaging projection formed on the slide driver,
First and second pressing protrusions formed on both sides in the X direction of the engaging protrusion in the slide driver;
A converter provided inside the apparatus main body so as to be swingable around a predetermined fulcrum, and swinging the movable contact member in accordance with a swinging operation around the fulcrum;
A first pressure receiving portion formed on the converter, the first pressing convex portion of the slide drive body being able to contact, and swinging the converter in one direction as the slide drive body is pushed in. When,
A second pressure receiving portion formed on the converter and capable of abutting a second pressing convex portion of the slide drive body and swinging the converter in the other direction as the slide drive body is pushed. When,
Yamagata ridges formed on the converter,
One of the slopes of the ridge, and when the converter is in the swinging position in the other direction, the engaging convex portion is slid in contact with the pushing movement of the slide drive body, and the slide drive body is predetermined. The first pressing convex portion is brought into contact with the first pressing receiving portion and the second pressing convex portion is separated from the second pressing receiving portion in accordance with the movement. 1 slide guide surface,
The other slope of the ridge, and when the converter is in the unidirectional swinging position, the engagement convex portion slides in contact with the pushing movement of the slide drive body, thereby prescribing the slide drive body. The second pressing projection is brought into contact with the second pressing receiving portion and the first pressing protruding portion is separated from the first pressing receiving portion with the movement. 2 slide guide surfaces,
A single urging member that is provided in the apparatus main body and constantly urges the operating body in the restoring movement direction and urges the slide driving body substantially equally from both sides in the X direction;
A notch portion formed in a central portion of the substrate in a size that allows the slide drive body to penetrate and allows the slide drive body to move in the X direction;
An operating body biasing spring portion extending from the substrate and constantly biasing the operating body in the restoring movement direction;
A slide drive body biasing spring portion extending from the substrate and biasing the slide drive body substantially equally from both sides in the X direction,
On the inner bottom portion of the operating body, a sliding guide portion that slides and guides the slide driving body in the X direction is formed.
The slide drive body is disposed through the notch portion of the biasing member, and is configured to slide in the X direction while being guided by the slide guide portion of the operation body. Opening and closing mechanism.
JP32839297A 1997-11-28 1997-11-28 Contact opening / closing mechanism of switch device Expired - Lifetime JP4023884B2 (en)
JP32839297A JP4023884B2 (en) 1997-11-28 1997-11-28 Contact opening / closing mechanism of switch device
JPH11162292A JPH11162292A (en) 1999-06-18
JP4023884B2 true JP4023884B2 (en) 2007-12-19
ID=18209749
JP32839297A Expired - Lifetime JP4023884B2 (en) 1997-11-28 1997-11-28 Contact opening / closing mechanism of switch device
JP (1) JP4023884B2 (en)
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1997-11-28 JP JP32839297A patent/JP4023884B2/en not_active Expired - Lifetime
JPH11162292A (en) 1999-06-18
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