CN103640657A - Device for fixedly connecting riser and connector of folding bike - Google Patents
Device for fixedly connecting riser and connector of folding bike Download PDFInfo
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- CN103640657A CN103640657A CN201310707831.8A CN201310707831A CN103640657A CN 103640657 A CN103640657 A CN 103640657A CN 201310707831 A CN201310707831 A CN 201310707831A CN 103640657 A CN103640657 A CN 103640657A
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- vertical tube
- front fork
- bolt
- sliding nut
- joint
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Abstract
A device for fixedly connecting a riser and a connector of a folding bike comprises a front fork riser, a lower connector sleeved at the front end of the front fork riser, and a compression bolt for connecting the lower connector and the front fork riser, wherein the lower connector is a complete continuous annular component; the inner hole of the lower connector is a conical hole with a small upper part and a big lower part; a conical collet of which the wall body is provided with at least two deformation slots is matched with the conical hole; a sliding nut on the excircle of which an upper protruding ring and a lower protruding ring are arranged is in threaded connection with the compression bolt; the sliding nut is hooked with the inner hole of the conical collet through the lower protruding ring thereof; a limiting slot for preventing the sliding nut from rotating relative to the conical collet is further formed in the excircle of the sliding nut. Through elastic deformation of the conical collet between the front fork riser and the inner circle of the lower connector, the front fork riser is firmly connected with the lower connector, thus greatly improving the connection reliability between the lower connector and the front fork riser.
Description
Technical field
The present invention relates to machinery and be fixedly connected with mechanism, especially relate to a kind of for the vertical tube of folding bicycle handlebar and the fixed connection apparatus of joint.
Background technology
Folding bicycle, with the feature of its fast folding or expansion, obtains liking of consumers in general.After bicycle is folding, smaller volume, greatly facilitates transportation and storage; After expansion, can use safely again, be convenient to people's sport and body-building or ride instead of walk.The vertical tube of handlebar and the standpipe of front fork are arranged on the vehicle frame front end of bicycle, and the vertical tube of handlebar is connected with the standpipe of front fork by a folding joint conventionally.This folding joint consists of hinged upper and lower two joints in one end.Top connection is fixedly connected with the vertical tube lower end of handlebar, as shown in Figure 1, lower adaptor 2 is designed to the garter spring structure of opening vertically, the lower adaptor 2 of this garter spring shape is enclosed within the periphery on vertical tube of front fork 1 top, again with one with being connected with the negative thread of vertical tube of front fork 1 port compared with the push bolt of king bolt head 3, utilize this push bolt 3 that lower adaptor 2 is axially connected with vertical tube of front fork 1, and then utilize to adjust screw 4 lower adaptor of this garter spring shape 2 tightened so that the inner circle of lower adaptor 2 firmly with vertical tube of front fork 1 banding-be circumferentially connected firmly.The feature of utilizing upper and lower two joints of folding joint to rotate around its jointed shaft, the vertical tube of described handlebar can fold or launch.After the vertical tube of handlebar launches to hold up, upper and lower two joints overlap, and must upper and lower two joints be firmly fixed up with catch gear simultaneously.So, make the vertical tube of handlebar and the standpipe of front fork become the one of rigidity, thus riding bicycle that can safety.
Due to, lower adaptor is garter spring structure, what this garter spring was elastic deformation banding by its inner circle in vertical tube of front fork is peripheral.At this moment the inner circle of the lower adaptor after distortion has not been the circle of standard, therefore it is not just the face contact of complete cycle with the contacting of cylindrical of vertical tube of front fork, but local contact, so that friction force between the two declines greatly, and affects the fiduciary level that is connected of lower adaptor and vertical tube of front fork.In addition, after the inner circle of lower adaptor deforms, while using catch gear to lock upper and lower two joint, because the circular arc of the latch segment coordinating with the inner circle of lower adaptor can not deform in same pace, may cause locking to be lost efficacy, make upper and lower two splice failures, thereby bring potential safety hazard to the people of riding bicycle.At lower adaptor side, offer adjustment screw hole, affect component strength and not attractive in appearance; Assembling and dismounting are also inconvenient.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of safe and reliable, adjust the fixed connection apparatus of standpipe of bicycle and joint easily.
A kind of folding bicycle vertical tube that the present invention proposes and the fixed connection apparatus of joint, it comprises: vertical tube of front fork, be enclosed within the lower adaptor of this vertical tube of front fork front end, the push bolt that described lower adaptor is connected with vertical tube of front fork.Described lower adaptor is complete continuous annular component, and the endoporus of lower adaptor is up-small and down-big taper hole, and the tapered collet that at least has two distortion grooves on a wall body coordinates with taper hole; The sliding nut that one cylindrical is provided with upper and lower bulge loop is threaded with push bolt, and sliding nut is connected with the endoporus hook of tapered collet by its lower convex ring, and this sliding nut cylindrical is also provided with the position-limited trough that prevents that it from rotating relative to tapered collet.
Preferably, described tapered collet two ends are staggered has 12 symmetrically arranged distortion grooves altogether.
The bolt cap top of described push bolt is provided with one of shrinkage pool of flat recess, cross recess or interior hexagonal.
Preferably, the bolt cap of described push bolt is socket bolt head.
In described vertical tube of front fork inner circle, be preset with a captive nut, in the bolt cap of described push bolt, in hexagonal shrinkage pool, be provided with a bolt and be connected with described captive nut.
The present invention changes the lower adaptor structure of traditional garter spring formula, and lower adaptor is designed to complete cyclic structure, need not open an axial distortion groove.The tapered collet inner chamber hook that push bolt is provided with distortion groove by sliding nut and is connected, and tapered collet coordinates with the taper hole of lower adaptor.Just can be so that sliding nut moves up and down when rotatably compressing bolt, when sliding nut moves up, just can pull in tapered collet and move, the cone-shaped inner hole of lower adaptor simultaneously will produce circumferential constrained force to tapered collet, so utilizes the elastic deformation of tapered collet that vertical tube of front fork is stuck in the cone-shaped inner hole of lower adaptor tightly.It is stressed that this structure can form the distortion of whole even circumferential, contacting of the inner circle whole periphery of the cylindrical that can keep vertical tube of front fork by tapered collet and lower adaptor, so that the friction force between raising attaching parts, in addition, by bolt, be connected with the captive nut of being located in vertical tube of front fork, strengthen vertical tube of front fork and be connected with the axial of lower adaptor, thereby made lower adaptor safe and reliable with being connected of vertical tube of front fork.Inner circle due to lower adaptor also keeps circular again, just can guarantee that the catch gear in folding device is firmly fixed into one by upper and lower two joints, thereby eliminates the potential safety hazard of riding bicycle.In addition, the axial axial dimension of lower adaptor can increase, so that stiffness of structural member strengthens; Assembling and dismounting are also very convenient.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail, wherein:
Fig. 1 is the structural representation of prior art;
Fig. 2 is the decomposing schematic representation of preferred embodiment of the present invention;
Fig. 3 is the cutaway view of preferred embodiment of the present invention;
Fig. 4 and Fig. 5 are the sliding nut of preferred embodiment of the present invention and the schematic perspective view of tapered collet.
The specific embodiment
Fig. 2, Fig. 3 show the formation of preferred embodiment of the present invention.Folding bicycle stem 12 and vertical tube of front fork 1 are arranged on the vehicle frame front end of bicycle, and stem 12 is connected with vertical tube of front fork 1 by a folding joint conventionally.This folding joint consists of hinged upper and lower two joints 13,2.Top connection 13 is fixedly connected with stem 12 lower ends, and lower adaptor 2 is connected with vertical tube of front fork 1.The fixed connection apparatus with lower adaptor 2 for bicycle front fork stand-pipe 1 that preferred embodiment of the present invention proposes, it comprises: vertical tube of front fork 1, be enclosed within the lower adaptor 2 of this vertical tube of front fork 1 front end, the push bolt 3 that lower adaptor 2 is connected with vertical tube of front fork 1.Lower adaptor 2 is complete continuous annular component, and the endoporus of lower adaptor 2 is up-small and down-big taper hole, and the tapered collet 5 that at least has two distortion grooves 8 on a wall body coordinates with described taper hole.The present embodiment, incorporated by reference to Fig. 4, tapered collet 5 upper/lower terminals have six symmetrical distortion grooves 8, always have 12, and these two groups distortion grooves 8 are for being crisscross arranged.Incorporated by reference to Fig. 5, sliding nut 6 is threaded with push bolt 3, the cylindrical of sliding nut 6 is provided with bulge loop 20 and lower convex ring 7, sliding nut 6 is connected with the endoporus upper end hook of tapered collet 5 by its lower convex ring 7, and these sliding nut 6 cylindricals are also provided with and prevent its position-limited trough rotating relative to tapered collet 59.The bolt cap top of push bolt 3 is provided with the interior hexagonal shrinkage pool 14 of being convenient to rotatably compress bolt, and push bolt 3 is socket bolt head.In vertical tube of front fork 1 inner circle, be preset with a captive nut 10, bolt 11 is connected with captive nut 10 through hexagonal shrinkage pool in the bolt cap of push bolt 3.As required, flat recess or cross recess can also be arranged in the bolt cap top of push bolt 3, and bolt cap that also can push bolt 3 is set to hexagonal bar iron head, all can be for mounting or dismounting push bolt 3.
During use, rotatably compress bolt 3, sliding nut 6 is moved up to be pulled in tapered collet and moves simultaneously, the cone-shaped inner hole of lower adaptor will produce circumferential constrained force to tapered collet, the elastic deformation that so utilizes tapered collet is banding vertical tube of front fork cylindrical tightly, thereby vertical tube of front fork is stuck in the cone-shaped inner hole of lower adaptor tightly.It is stressed uniformly that this structure can form whole vertical tube of front fork periphery, so that the friction force between raising attaching parts, in addition, by bolt 11, be connected with the captive nut 10 of being located in vertical tube of front fork, strengthen vertical tube of front fork and be connected with the axial of lower adaptor, thereby made lower adaptor safe and reliable with being connected of vertical tube of front fork.Adjust the degree of depth that push bolt 3 screws in sliding nut 5, the dynamics that can regulate lower adaptor 2 to be connected with vertical tube of front fork 1.While opening, first bolt 11 and captive nut 10 are departed from, then push bolt 3 is unscrewed, and toward pressing down push bolt, utilize the upper bulge loop 20 of sliding nut 6 to make tapered collet downwards and lower adaptor disengaging, just can take off lower adaptor.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the fixed connection apparatus of a folding bicycle vertical tube and joint, comprise vertical tube of front fork (1), be enclosed within the lower adaptor (2) of this vertical tube of front fork (1) front end, the push bolt (3) that described lower adaptor (2) is connected with vertical tube of front fork (1), it is characterized in that: described lower adaptor (2) is complete continuous annular component, the endoporus of lower adaptor (2) is up-small and down-big taper hole, and the tapered collet (5) that at least has two distortion grooves (8) on a wall body coordinates with described taper hole; The sliding nut (6) that one cylindrical is provided with upper and lower bulge loop (20,7) is threaded with described push bolt (3), sliding nut is connected with the endoporus hook of described tapered collet (5) by its lower convex ring (7), and this sliding nut (6) cylindrical is also provided with the position-limited trough (9) that prevents that it from rotating relative to tapered collet (5).
2. the fixed connection apparatus of folding bicycle vertical tube as claimed in claim 1 and joint, is characterized in that: described tapered collet (5) two ends are staggered has 12 symmetrically arranged distortion grooves (8) altogether.
3. the fixed connection apparatus of folding bicycle vertical tube as claimed in claim 1 and joint, is characterized in that: the bolt cap top of described push bolt (3) is provided with one of shrinkage pool of flat recess, cross recess or interior hexagonal.
4. the fixed connection apparatus of folding bicycle vertical tube as claimed in claim 3 and joint, is characterized in that: the bolt cap of described push bolt (3) is socket bolt head.
5. the fixed connection apparatus of folding bicycle vertical tube as claimed in claim 4 and joint, it is characterized in that: in described vertical tube of front fork (1) inner circle, be preset with a captive nut (10), in the bolt cap of described push bolt (3), in hexagonal shrinkage pool, be provided with a bolt (11) and be connected with described captive nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707831.8A CN103640657B (en) | 2013-12-20 | 2013-12-20 | A kind of folding bicycle vertical tube and the fixed connection apparatus of joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707831.8A CN103640657B (en) | 2013-12-20 | 2013-12-20 | A kind of folding bicycle vertical tube and the fixed connection apparatus of joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103640657A true CN103640657A (en) | 2014-03-19 |
| CN103640657B CN103640657B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310707831.8A Active CN103640657B (en) | 2013-12-20 | 2013-12-20 | A kind of folding bicycle vertical tube and the fixed connection apparatus of joint |
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| CN (1) | CN103640657B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045486A (en) * | 2017-12-18 | 2018-05-18 | 北京摩拜科技有限公司 | Vertical component and a kind of bicycle |
| CN110394861A (en) * | 2018-04-24 | 2019-11-01 | 佛山市铭之科精密配件有限公司 | A kind of novel magazine tool driver |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5400676A (en) * | 1993-12-14 | 1995-03-28 | Kao; Yu-Chen | Bicycle handlebar stem mounting device |
| BE1009407A3 (en) * | 1995-06-13 | 1997-03-04 | Cauwenberghe Roger Van | Marker post |
| US5647684A (en) * | 1995-05-16 | 1997-07-15 | Chen; Chia-Ching | Two-step and toothless bicycle head shaft bowl set |
| US20090295121A1 (en) * | 2008-05-30 | 2009-12-03 | Peng-Yu Tseng | Securing device for a bicycle front fork |
| CN202464039U (en) * | 2011-12-29 | 2012-10-03 | 胡明 | Locking and connecting device for inclined plane of handlebar stem of bike |
| CN103318325A (en) * | 2012-03-20 | 2013-09-25 | 蔡崇霖 | Storing and fixing device for pipe fitting |
| CN203698556U (en) * | 2013-12-20 | 2014-07-09 | 深圳市富厚自行车配件有限公司 | Fixed connection device of vertical tube and joint of folding bicycle |
-
2013
- 2013-12-20 CN CN201310707831.8A patent/CN103640657B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5400676A (en) * | 1993-12-14 | 1995-03-28 | Kao; Yu-Chen | Bicycle handlebar stem mounting device |
| US5647684A (en) * | 1995-05-16 | 1997-07-15 | Chen; Chia-Ching | Two-step and toothless bicycle head shaft bowl set |
| BE1009407A3 (en) * | 1995-06-13 | 1997-03-04 | Cauwenberghe Roger Van | Marker post |
| US20090295121A1 (en) * | 2008-05-30 | 2009-12-03 | Peng-Yu Tseng | Securing device for a bicycle front fork |
| CN202464039U (en) * | 2011-12-29 | 2012-10-03 | 胡明 | Locking and connecting device for inclined plane of handlebar stem of bike |
| CN103318325A (en) * | 2012-03-20 | 2013-09-25 | 蔡崇霖 | Storing and fixing device for pipe fitting |
| CN203698556U (en) * | 2013-12-20 | 2014-07-09 | 深圳市富厚自行车配件有限公司 | Fixed connection device of vertical tube and joint of folding bicycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045486A (en) * | 2017-12-18 | 2018-05-18 | 北京摩拜科技有限公司 | Vertical component and a kind of bicycle |
| CN110394861A (en) * | 2018-04-24 | 2019-11-01 | 佛山市铭之科精密配件有限公司 | A kind of novel magazine tool driver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103640657B (en) | 2016-09-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Effective date of registration: 20210514 Address after: No.8, Jinsha South Road, Shajiao, Shipai town, Dongguan City, Guangdong Province, 523348 Patentee after: Guangdong Huming Automobile Co.,Ltd. Address before: 518000 1st floor, no.29-29, Minfu Road, Shatou Industrial Zone, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FOHO BICYCLE FITTINGS Co.,Ltd. |
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| TR01 | Transfer of patent right |