Source: https://patents.google.com/patent/CN102384140A/en
Timestamp: 2020-04-07 11:46:10
Document Index: 312023155

Matched Legal Cases: ['art 24', 'art 28', 'arts 32', 'arts 34', 'art 6', 'art 18', 'art 6', 'art\n8', 'art 26', 'art 6', 'art 24', 'art 6', 'art 24', 'art 24', 'art 6', 'art 6', 'art 24', 'art 6', 'art 6', 'art 6', 'art 6', 'art 24', 'art 24', 'art 24', 'art 24', 'art 6', 'art 6', 'art 6', 'art 6', 'art 6', 'art 24', 'art 24', 'art 6', 'art 6', 'art 6', 'art 24', 'art 24', 'art 24', 'art 6', 'art 24', 'art 6', 'art 6']

CN102384140A - Rivet bolt - Google Patents
Rivet bolt Download PDF
CN102384140A
CN102384140A CN2010105044949A CN201010504494A CN102384140A CN 102384140 A CN102384140 A CN 102384140A CN 2010105044949 A CN2010105044949 A CN 2010105044949A CN 201010504494 A CN201010504494 A CN 201010504494A CN 102384140 A CN102384140 A CN 102384140A
CN2010105044949A
全炳奎
2010-09-06 Priority to KR1020100087066A priority Critical patent/KR20120024261A/en
2010-09-06 Priority to KR10-2010-0087066 priority
2010-10-09 Application filed by 全炳奎 filed Critical 全炳奎
2012-03-21 Publication of CN102384140A publication Critical patent/CN102384140A/en
A rivet bolt, which connects a plurality of connection members by rivet joints, is disclosed. The rivet bolt includes a connection hole 26 formed through a flange part 24 and provided with a screw part 28, a retainer 2 in which flat parts 32 and inclined parts 34 alternately arranged around the connection hole 26 in the diagonal direction, and fastening pieces 30 formed at the lower portion of the flange part 6 by cutting, curved projections being formed at lower ends of the fastening pieces, and a bolt 4 including a plurality of elevating pieces 10 protruded from the lower surface of a bolt head 8 so as to be inserted into the retainer 2, a screw thread 14 formed at the upper end of a bolt body 12, a plurality of protruding pieces 16 formed at the lower end of the bolt body 12 at designated intervals, and a downwardly inclined extension part 18 and an anti-separation piece 20 formed at the lower portion of the bolt body 12.
Riveted bolt
The present invention relates to a kind of riveted bolt, be mainly used in through riveted joint and connect a plurality of bonded blocks (sheet material, steel plate class; Nonspecific shaped objects etc.), more particularly, relate to a kind of riveted bolt; The retainer of forming this riveted bolt is when being connected to bonded block after bolt combines in advance; Combination that can be firm, bolt can not separate from retainer easily yet, thereby prevent loss of parts.
At present, when the interior material panels such as resin or nonwovens that can not use nut will be mainly used in automobile combine with body panel, be widely used through riveting the riveted bolt that combines.
As an example; Korean utility model registration has proposed " riveted bolt " No. 386889; Said existing riveted bolt roughly comprises retainer and bolt, after bolt is inserted into the retainer engagement groove, bolt is advanced; The connecting part of retainer undercut is expanded laterally, thereby a plurality of bonded blocks are interconnected.
Thereby though above-mentioned model utility have through riveted joint make bonded block in addition riveting process the advantage also can simply combine to improve operation property; But also has following shortcoming; When bolt was expanded the connecting part of retainer, the worker need rotate the several screw section with its propelling, so very inconvenient.And during the expansion of the screw section of bolt and connecting part, be difficult to combine fully with the outstanding circle of inboard, so be difficult to continue to keep the expansion state of connecting part, so riveted bolt breaks away from from bonded block easily.
In addition, the screw section of bolt combines with retainer and forms when combining in advance, does not separate mutually, but in fact, stirs bolt, and this bolt just is easy to break away from from retainer, so during operation, often go out the situation of active bolt and need to buy in addition parts.
The purpose of this invention is to provide a kind of riveted bolt, when this riveted bolt combines with bolt at retainer in advance, situation about can not lose; When combining a plurality of bonded block with riveted joint; Combining of retainer and bolt was both simple, firm again, and when removing the combining of retainer and bolt; Bolt breaks away from easily, thereby can improve operation property.
For achieving the above object, the present invention relates to a kind of riveted bolt, this riveted bolt utilizes retainer to combine a plurality of bonded blocks with bolt with riveted joint, and said riveted bolt comprises: engagement groove 26, this engagement groove 26 is formed with screw section 28 in portion 24 inboards on the edge of; Retainer 2 in this retainer 2, is the center with said engagement groove 26, and planar surface portion 32 alternately forms with diagonal with rake 34, and the bottom is formed with the bending portion 30 that buckles in underpart of the connecting part 6 of incision; Bolt 4; This bolt 4 is extruded with a plurality of lifting units 10 in the bottom surface of bolt head 8; Make bolt 4 and said retainer 2 chimeric; Upper end portion at the body of bolt 12 that is positioned at said bolt head 8 bottoms has screw thread 14, has a plurality of protuberances 16 that form with a determining deviation in the outside of the underpart of the said body of bolt 12, and be formed with along the downside of this protuberance 16 prolong and downward-sloping enlarged portion 18 with prevent disengaging portion 20.
Advantage of the present invention is, rotating bolt a little, and bolt also can combine with the retainer of a plurality of bonded blocks of riveted joint as screw simply; Simultaneously, the body of bolt protuberance that advances and the retainer connecting part of expansion buckle and dual combination, and the connecting part of expansion can not broken away from; Continue to keep bonding state, and, remove when combining; The worker rotates according to untiing direction with screwdriver, and the lifting unit of bottom surface goes up and down along the rake of edge part, so the worker need not require great effort; Bolt ejects from retainer automatically, has improved operation property.
And after bolt broke away from from retainer, the connecting part bending of retainer buckled the disengaging portion that prevents in body of bolt underpart, and bolt and retainer are in preparatory bonding state, can not lose parts.
In addition, when the worker removes combining of bolt and retainer with electric screwdriver, untie bolt that direction rotates and in retainer, revolve idle running and move, thus can not melt or paste because of the friction of retainer and bonded block, thus prevent that parts are impaired.
Fig. 1 is the riveted bolt stereogram of embodiment of the present invention;
Fig. 2 is the exploded perspective view of Fig. 1;
Fig. 3 is an exploded cross-sectional structural drawing of the present invention;
Fig. 4 is the cross section structure figure that the present invention is bonded to bonded block;
Fig. 5 is the cross section structure figure that combines that removes the present invention and parts;
Fig. 6 is each critical piece cross section structure figure of the bonding state of retainer of the present invention and bolt;
Fig. 7 is each the critical piece cross section structure figure that removes the bonding state of retainer of the present invention and bolt.
A: riveted bolt 2: retainer
4: bolt 6: connecting part
8: bolt head 10: lifting unit
12: the body of bolt 14: screw thread
16: protuberance 18: enlarged portion
20: prevent disengaging portion 22: cuts
24: edge part 26: engagement groove
28: screw section 30: buckle portion
32: planar surface portion 34: rake
Below, the preferred implementation that present invention will be described in detail with reference to the accompanying.
Fig. 1 is the riveted bolt stereogram of embodiment of the present invention; Fig. 2 is the exploded perspective view of Fig. 1; Fig. 3 is an exploded cross-sectional structural drawing of the present invention.Riveted bolt A of the present invention comprises retainer 2 and bolt 4; The a plurality of bonded blocks of said retainer 2 clampings (sheet material, steel plate class, nonspecific shaped objects etc.); Like Fig. 4 and shown in Figure 5; This bolt 4 combines with said retainer 2, thereby makes connecting part 6 expansions of retainer 2 undercuts, thus the riveted joint bonded block.
More particularly, retainer 2 and the bolt 4 of riveted bolt A of the present invention can be by molding synthetic resins, and said bolt 4 comprises: circle bolt head 8, and cross recess is carved with on the top of this circle bolt head 8, makes to tighten to be bonded to retainer 2; Lifting unit 10, this lifting unit 10 are given prominence in correspondence with each other with diagonal in the bolt head 8 bottom surfaces outsides and are formed with a plurality ofly, and when removing the combining of bolt 4 and retainer 2, can go up and down; The body of bolt 12, this body of bolt 12 is integrally formed at the bottom and the bolt head 8 of bolt head 8, and bolt head 8 is rounded, and the length of the body of bolt 12 is that the length with retainer 2 is the length that benchmark can pass in and out.
At this moment, the above-mentioned body of bolt 12 upper end portions are preferably formed the screw thread 14 that can screw togather with retainer 2, if but when using electric screwdriver to combine, the zone that is formed at the screw thread 14 on the body of bolt 12 can be wideer than the amplitude in diagram zone.And the body of bolt 12 opposite side underparts are formed with around the protuberance 16 of the body of bolt 12 outer circumferential faces equidistantly to give prominence to; Protuberance 16 is positioned on the vertical line of said bottom surface that each lifting unit 10 with said bolt head 8 bottom surfaces is 45 ° of diagonals of base interval; Said protuberance 16 is to extending below, and is formed with downward-sloping enlarged portion 18 in the bottom, is formed with hemisphere in enlarged portion 18 ends and prevents disengaging portion 20; Thereby buckle when combining in advance, thereby can not break away from retainer 2.
The structure of the retainers 2 that combine in advance with the bolt of riveted bolt A 4 is following:
Retainer 2 has predetermined length, comprises the connecting part that becomes one 6 and edge part 24, and this connecting part 6 is divided into a plurality of by the cuts 22 of bottom, and the diameter of this edge part 24 is greater than upper bolt head 8 diameters; Edge part 24 inboard central authorities are formed with the engagement groove 26 to connecting part 6 internal run-throughs, and the body of bolt 12 can embed in the connecting part 6 and combine with engagement groove 26.
In above-mentioned edge part 24 inboards, the inner face of engagement groove 26 is formed with screw section 28, screws togather with the screw thread 14 of the body of bolt 12; For the underpart of each connecting part 6 of making incision combines with the through hole of bonded block easily, each connecting part 6 of incision is crooked to the inside, and the underpart of connecting part 6 forms and buckles portion 30, can buckle accordingly and support with protuberance 16.Protuberance 16 is formed on the body of bolt 12, is used to make connecting part 6 expansions.
And, in above-mentioned edge part 24 inside, be the center with engagement groove 26; A plurality of planar surface portion 32 and acclivitous rake 34 formation alternate with each other; At this moment, rake 34 is arranged on the diagonal that is mutually 90 ° and forms a circle, and the lifting unit of installing with edge part 24 tops 10 that is positioned at bolt head 8 bottom surfaces contacts accordingly; Thereby make bolt 4 when transferring preparatory bonding state to, can easily break away from automatically with retainer 2.
Below, the riveted bolt A of the present invention that utilization is had said structure combines the working state of a plurality of bonded blocks to describe.
With reference to Fig. 4 to Fig. 7.At first, the riveted bolt A of preparatory bonding state is inserted in the through hole that on a plurality of bonded blocks, bores, said riveted bolt A is combined with the body of bolt 12 of bolt 4 in the engagement groove 26 of retainer 2 of the present invention.Then, bolt head 8 exceeds the edge part 24 of retainer 2, and screwdriver is inserted into the cross recess of bolt head 8, while promoting bolt head 8 is tightened.At this moment, the screw thread 14 that is positioned at the body of bolt 12 tops combines with edge part 24 inboard screw sections 28.Simultaneously, the enlarged portion 18 of the inclination of the body of bolt 12 bottoms is advanced, and the connecting part 6 of bending is expanded laterally opened.
The body of bolt 12 is pushed ahead again, and the portion that buckles 30 that is formed at the underpart of connecting part 6 buckles respectively in the protuberance 16 of enlarged portion 18 upsides, keeps the connecting part 6 of expansion more firmly, and is as shown in Figure 4, and a plurality of bonded blocks are combined to rivet.
And; The bolt 4 of the invention described above is inserted into retainer 2; Make connecting part 6 expansion, bolt 4 screws togather through screw thread 14 and retainer 2, and the protuberance 16 of the connecting part 6 that makes expansion and the body of bolt 12 buckles and forms dual combination; So that fixation, even if there is external impact that riveted bolt A is spun off from bonded block.
As described above; Riveted bolt A is with after bonded block combines, and like (a) of Fig. 6 with (b), the outstanding lifting unit 10 in the bottom surface of bolt head 8 is positioned on the inboard planar surface portion 32 of edge part 24; Bolt head 8 is installed in the edge part 24; With said lifting unit 10 is benchmark, and the portion that buckles 30 of the connecting part of on the 45 ° of diagonal in interval, expanding 6 buckles with the protuberance 16 of underpart, thereby makes connecting part 6 and protuberance 16 corresponding combinations.
In above-mentioned state, when needs with riveted bolt A when bonded block separates, the worker should cross recess with screwdriver inserting bolt 8 in, to the counter-rotation bolt head of tightening 8, the screw thread 14 of the body of bolt 12 28 is untied from the screw section.Simultaneously, when the body of bolt 12 rotates 45 °, and in the space of connecting part 6 between protuberance 16 that buckle of protuberance 16; Buckle thereby remove; As shown in Figure 5, thus make the connecting part 6 of expansion return to original bent state, and draw close on prevent disengaging portion 20.
Explain that further like (a) of Fig. 7 with (b), to the counter-rotation of tightening, the lifting unit 10 of being located at bolt head 8 bottom surfaces moves to acclivitous rake 34 from the planar surface portion 32 that is positioned at edge part 24 with bolt head 8.When edge part 24 broke away from, along with the rotation of the body of bolt 12, screw thread 14 broke away from from the screw section 28 of edge part 24 at bolt head 8, and the portion that buckles 30 of protuberance 16 and connecting part 6 removes the state that buckles.
Thereby lifting unit 10 rises along rake 34, and bolt head 8 breaks away from from edge part 24 fully, and simultaneously, bolt 4 ejects from retainer 2 automatically, and therefore, the worker need not require great effort, and rotating bolt 4 a little, just can easily remove and the combining of retainer 2.
In addition, if remove combining of bolt 4 and retainer 2, shrink connecting part 6, and buckle the disengaging portion 20 that prevents to the body of bolt 12 underparts, thereby keep the preparatory bonding state of bolt 4 and retainer 2, has eliminated the worry of losing bolt 4 in the operation.
In addition, when removing the combining of bolt 4 and retainer 2, be raising operation property; Because the connecting part 6 of retainer 2 is in the mutual noninterference with preventing between the disengaging portion 20 of the enlarged portion 18 of bolt 4 underparts, so even if use electric screwdriver, electric screwdriver moment is when untiing the direction rotation; Bolt 4 is removed from retainer 2 and is screwed togather the back rotation; Just bolt 2 idle running can not interfered retainer 2 fully yet, avoid retainer 2 to melt with the bonded block friction or paste and cause the phenomenon that parts are impaired.
This explanation only be according to an embodiment of the invention, in the scope that does not break away from technological thought of the present invention, the present invention can carry out various distortion.Protection scope of the present invention is not limited to this mode of execution, but confirms according to the content in claims.
The present invention can be applicable to various a plurality of sheet materials are combined through riveting.
1. riveted bolt, this riveted bolt utilize retainer to combine a plurality of bonded blocks with bolt through riveted joint, and it is characterized in that said riveted bolt comprises: engagement groove (26), this engagement groove (26) are formed with screw section (28) in portion (24) inboard on the edge of; Retainer (2); In this retainer (2); With said engagement groove (26) is the center, and planar surface portion (32) and rake (34) alternately form with diagonal, and the bottom of said retainer (2) is formed with the portion that buckles (30) that the underpart bending through the connecting part (6) of cutting forms; Bolt (4); This bolt (4) is formed with a plurality of lifting units (10) highlightedly in the bottom surface of bolt head (8); Thereby make the said bolt (4) can be chimeric with said retainer (2); Upper end portion at the body of bolt (12) that is positioned at said bolt head (8) bottom has screw thread (14), and the outer circumferential face in the underpart of the said body of bolt (12) has a plurality of protuberances (16) that form with predetermined spacing, and is formed with and prevents disengaging portion (20) and extend and downward-sloping enlarged portion (18) along the downside of said protuberance (16).
2. riveted bolt according to claim 1 is characterized in that, the protuberance (16) of the said body of bolt (12) is positioned on the vertical line of this bottom surface that said lifting unit (10) with the bottom surface that protrudes in bolt head (8) is 45 ° of base interval.
3. riveted bolt according to claim 1 is characterized in that, the said disengaging portion (20) that prevents that is positioned at the underpart of the said body of bolt (12) is hemisphere, and the said top of disengaging portion (20) that prevents can buckle on the connecting part (6) of said retainer (2).
CN2010105044949A 2010-09-06 2010-10-09 Rivet bolt CN102384140A (en)
KR1020100087066A KR20120024261A (en) 2010-09-06 2010-09-06 The rivet bolt
KR10-2010-0087066 2010-09-06
CN102384140A true CN102384140A (en) 2012-03-21
ID=45770855
CN2010105044949A CN102384140A (en) 2010-09-06 2010-10-09 Rivet bolt
US (1) US20120057948A1 (en)
JP (1) JP2012057794A (en)
KR (1) KR20120024261A (en)
CN (1) CN102384140A (en)
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GB2385398A (en) * 2002-02-14 2003-08-20 Tyco Europe Metal Framing Ltd A blind fastening device
CN101253339A (en) * 2005-10-12 2008-08-27 Itw汽车产品有限两合公司 A plastic rivet and removing tool
JPH083324B2 (en) * 1987-10-19 1996-01-17 株式会社ニフコ Coupling device of the plate
2010-09-06 KR KR1020100087066A patent/KR20120024261A/en not_active Application Discontinuation
2010-10-01 US US12/896,433 patent/US20120057948A1/en not_active Abandoned
2010-10-09 CN CN2010105044949A patent/CN102384140A/en not_active Application Discontinuation
2011-09-02 JP JP2011191894A patent/JP2012057794A/en active Pending
JP2012057794A (en) 2012-03-22
KR20120024261A (en) 2012-03-14
US20120057948A1 (en) 2012-03-08
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