CN108869584B - Take armtie pivot of limit function of riveting soon - Google Patents
Take armtie pivot of limit function of riveting soon Download PDFInfo
- Publication number
- CN108869584B CN108869584B CN201810784819.XA CN201810784819A CN108869584B CN 108869584 B CN108869584 B CN 108869584B CN 201810784819 A CN201810784819 A CN 201810784819A CN 108869584 B CN108869584 B CN 108869584B
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- China
- Prior art keywords
- pull arm
- rotating shaft
- riveting
- brake
- brake shoe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
Abstract
The invention relates to a pull arm rotating shaft part on an automobile parking drum brake, in particular to a pull arm rotating shaft with a spin riveting limiting function.
Description
Technical Field
The invention relates to a pull arm rotating shaft part on an automobile parking drum brake, in particular to a pull arm rotating shaft with a spin riveting limiting function.
Background
The parking drum brake is a drum brake for mounting on the rear wheel of automobile for parking and emergency braking, and its working principle is that the hand brake and pull wire can be used to transfer the input pulling force to pull arm, the pull arm can be rotated around the rotating shaft of pull arm and can be used for pushing brake shoe to open and extrude brake drum, and under the action of lever-ratio amplification force of pull arm the brake shoe and brake drum can be rubbed to obtain enough braking force so as to implement parking. Under the condition of non-parking braking, the pull arm rotates around the pull arm rotating shaft to return under the action of a return spring force, so that a certain gap is kept between the brake shoe and the brake drum.
The existing parking draw arm, a rotating shaft and a brake shoe are mostly combined in an interference riveting and check ring assembling mode, but parts are small and many, the working procedures are many and complex, the manufacturing cost is high, the parts are easy to neglect to assemble, the draw arm is assembled too tightly to cause no return to generate drag grinding, the draw arm is too loose to generate abnormal sound, the draw arm is loosened to cause unreliable parking, the parking performance is reduced, and even the problem of failure is solved.
Disclosure of Invention
The invention provides a pull arm rotating shaft with a spin-riveting limiting function aiming at the defects in the prior art.
The invention realizes the purpose by the following technical scheme:
the utility model provides a take rotary riveting limit function's single arm-drag pivot for connect the single arm-drag and the brake shoe of car manual brake, includes the body, the connector that the one end of body is connected for being used for with the brake shoe, and the body other end is provided with the V type angle structure of being convenient for the rotary riveting processing, and the body middle part is provided with and is used for carrying out spacing limit baffle to the single arm-drag of cover on the body.
Wherein the angle alpha of the V-shaped angle structure is 105-130 degrees.
Preferably, the V-type angle structure angle α is 120 degrees.
Furthermore, the bottom edge of the V-shaped corner structure is set to be a rounded corner structure.
Wherein, the chamfer radius R of the fillet structure is 0.5-2 mm.
Preferably, the fillet radius R of the fillet structure is 1.5 mm.
Preferably, the connector is a T-shaped raised head.
A brake shoe with a pull arm rotating shaft comprises a brake shoe, a pull arm and the pull arm rotating shaft according to any one of claims 1 to 6, wherein the brake shoe comprises a friction plate, a brake wing plate and a brake radial plate, a connector of the pull arm rotating shaft is riveted with the brake radial plate, the pull arm is sleeved on a body between a limiting baffle plate and a V-shaped angle structure, and the V-shaped angle structure and the limiting baffle plate after being riveted limit-fixedly fix the pull arm from two sides respectively.
Wherein, be provided with the mounting hole on the braking radials, the connector is connected with mounting hole interference fit.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotary riveting part of the pull arm rotating shaft with the rotary riveting limiting function replaces the original check ring assembling mode, the check ring parts are reduced, the problems of neglected assembling or improper assembling are solved, the combination with the brake shoe and the pull arm can be completed through synchronous riveting, the processing and assembling are simple and rapid, and the pull arm rotating shaft with the rotary riveting limiting function has the advantages of more compact structure, more reliable function and lower cost.
2. According to the pull arm rotating shaft with the spin riveting limiting function, the depth of the V-shaped angle is set according to the spin riveting height, so that the movement clearance and the reliability of the pull arm are ensured, the problem of corner cracking of the rotating shaft caused by spin riveting can be effectively solved by selecting the fillet, and the product performance is improved.
Drawings
Fig. 1 is a schematic structural view of a rotating shaft of a pull arm according to the present invention.
Fig. 2 is a schematic structural view of the brake shoe of the present invention.
Fig. 3 is a schematic structural view from another perspective of the brake shoe of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example 1.
As shown in fig. 1, this embodiment provides a take single arm-drag pivot of riveting limit function soon for connect single arm-drag and the brake shoe of car manual brake, including body 1, the connector 2 that the one end of body 1 is for being used for being connected with the brake shoe, and the 1 other end of body is provided with the V type angle structure 3 of being convenient for rivet soon processing, and 1 middle part of body is provided with and is used for carrying out spacing limit baffle 4 to the single arm-drag that the cover was established on body 1.
The rotary riveting part of the pull arm rotating shaft with the rotary riveting limiting function replaces the original check ring assembling mode, the check ring parts are reduced, the problems of neglected assembling or improper assembling are solved, the combination with the brake shoe and the pull arm can be completed through synchronous riveting, the processing and assembling are simple and rapid, and the pull arm rotating shaft with the rotary riveting limiting function has the advantages of more compact structure, more reliable function and lower cost.
In the installation, the depth of the V-shaped angle structure 3 is set according to the spin riveting height, so that the movement clearance and the reliability of the draw arm are ensured, in addition, the selection of the fillet can effectively improve the problem of corner cracking of the rotating shaft caused by spin riveting, and the product performance is improved.
Wherein the angle alpha of the V-shaped angle structure 3 is 105-130 degrees.
Preferably, the V-shaped angle structure 3 angle α is 120 degrees.
Further, the bottom edge of the V-shaped corner structure 3 is set to be a rounded corner structure.
Wherein, the chamfer radius R of the fillet structure is 0.5-2 mm.
Preferably, the fillet radius R of the fillet structure is 1.5 mm.
The bottom of the body 1 is provided with the V-shaped corner structure 3, and the bottom edge of the V-shaped corner structure 3 is provided with a fillet structure, so that the rotary riveting extrusion deformation of the rotating shaft and the extrusion stress of corners can be reduced, and the problem of rotary riveting cracking can be effectively solved; the depth H of the V-shaped chamfer is set according to the spin riveting height, namely the limiting height, so that the stable clearance among the brake shoe, the pull arm and the rotating shaft can be ensured, and the pull arm can move and return smoothly.
Preferably, the connector 2 is a T-shaped raised head, so that the connector is convenient to process and is convenient to connect in an interference fit manner.
Example 2.
As shown in fig. 2, 3, this embodiment provides a take brake shoe of single arm-drag pivot, including brake shoe subassembly, single arm-drag 5 and single arm-drag 5 pivot body 1, the brake shoe subassembly includes friction disc 6, braking pterygoid lamina 7 and braking radials 8, the connector 2 of single arm-drag pivot with braking radials 8 rivets, 5 covers of single arm-drag 5 establish on body 1 between limit baffle 4 and the V type angle structure 3, and V type angle structure 3 and limit baffle 4 after riveting soon carry on spacing fixedly from both sides to single arm-drag 5 respectively.
Wherein, be provided with the mounting hole on the braking radials 8, connector 2 is connected with mounting hole interference fit.
The brake shoe with the pull arm rotating shaft requires that the pull arm 5 can freely rotate around the pull arm rotating shaft without loosening after spin riveting, the pull arm 5 has no clamping stagnation, the preferred height after spin riveting is 18.2mm, the bottom of the pull arm rotating shaft is designed to be an inverted V-shaped angle of 120 degrees, the bottom edge chamfer angle R is 1.5mm, and the depth of the V-shaped chamfer angle H is 18.2 mm. During assembly, the pull arm rotating shaft is pressed into the brake radial plate 8, the pull arm 5 is sleeved into the tail part of the pull arm rotating shaft, and spin riveting is completed on the tail part of the pull arm rotating shaft, so that the spin riveting height reaches the height of the bottom H of the V-shaped chamfer.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The utility model provides a take rotary riveting limit function's single arm-drag pivot for connect the single arm-drag and the brake shoe of car manual brake, a serial communication port, which comprises a body, the connector of one end for being used for being connected with the brake shoe of body, the body other end are provided with the V type angle structure of being convenient for the rotary riveting processing, and the body middle part is provided with and is used for carrying out spacing limit baffle to the single arm-drag that the cover was established on the body.
2. The pull arm rotating shaft with the spin riveting limiting function as claimed in claim 1, wherein the angle a of the V-shaped angle structure is 105-130 degrees.
3. The arm pulling rotary shaft with the spin riveting limitation function according to claim 2, wherein the V-shaped angle structure angle a is 120 degrees.
4. The rotary arm pulling shaft with the spin-riveting limiting function as claimed in claim 1, wherein the bottom edge of the V-shaped corner structure is arranged to be a rounded corner structure.
5. The pull arm rotating shaft with the spin-riveting limiting function as claimed in claim 4, wherein the chamfer radius R of the fillet structure is 0.5-2 mm.
6. The pull arm rotating shaft with the spin-on rivet limiting function as claimed in claim 5, wherein the chamfer radius R of the fillet structure is 1.5 mm.
7. The pull arm rotating shaft with the spin-riveting limiting function as claimed in claim 1, wherein the connector is a T-shaped raised head.
8. A brake shoe with a pull arm rotating shaft comprises a brake shoe assembly, a pull arm and the pull arm rotating shaft according to any one of claims 1 to 6, wherein the brake shoe assembly comprises a friction plate, a brake wing plate and a brake radial plate, a connector of the pull arm rotating shaft is riveted with the brake radial plate, the pull arm is sleeved on a body between a limiting baffle plate and a V-shaped angle structure, and the V-shaped angle structure and the limiting baffle plate after being riveted limit and fix the pull arm from two sides respectively.
9. The brake shoe with the pull arm shaft of claim 8 wherein said brake web is provided with mounting holes and said connectors are in interference fit connection with said mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784819.XA CN108869584B (en) | 2018-07-17 | 2018-07-17 | Take armtie pivot of limit function of riveting soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784819.XA CN108869584B (en) | 2018-07-17 | 2018-07-17 | Take armtie pivot of limit function of riveting soon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869584A CN108869584A (en) | 2018-11-23 |
| CN108869584B true CN108869584B (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810784819.XA Active CN108869584B (en) | 2018-07-17 | 2018-07-17 | Take armtie pivot of limit function of riveting soon |
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| Country | Link |
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| CN (1) | CN108869584B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412398A (en) * | 2008-11-25 | 2009-04-22 | 辽宁曙光汽车集团股份有限公司 | Hydraulic drum brake with upper and lower double pushrods parking mechanism |
| CN201513491U (en) * | 2009-07-02 | 2010-06-23 | 浙江诸暨万宝机械有限公司 | Brake calipers |
| CN202790232U (en) * | 2012-09-29 | 2013-03-13 | 杭州吉成汽车零部件有限公司 | Non-asbestos drum-type brake shoe assembly |
| CN202790234U (en) * | 2012-09-29 | 2013-03-13 | 杭州吉成汽车零部件有限公司 | Semimetal drum-type brake shoe assembly |
| CN202851750U (en) * | 2012-09-29 | 2013-04-03 | 杭州吉成汽车零部件有限公司 | Drum-type brake shoe assembly of no-asbestos organic (NAO) type friction materials |
| CN105805173A (en) * | 2016-05-17 | 2016-07-27 | 杭州雷迪克节能科技股份有限公司 | High-corrosion resistance hub bearing unit and machining process |
| CN106285269A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | Body hinge and vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012152818A (en) * | 2011-01-28 | 2012-08-16 | Sanyo Electric Co Ltd | Device for caulking rivet, and method for removing rivet |
-
2018
- 2018-07-17 CN CN201810784819.XA patent/CN108869584B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412398A (en) * | 2008-11-25 | 2009-04-22 | 辽宁曙光汽车集团股份有限公司 | Hydraulic drum brake with upper and lower double pushrods parking mechanism |
| CN201513491U (en) * | 2009-07-02 | 2010-06-23 | 浙江诸暨万宝机械有限公司 | Brake calipers |
| CN202790232U (en) * | 2012-09-29 | 2013-03-13 | 杭州吉成汽车零部件有限公司 | Non-asbestos drum-type brake shoe assembly |
| CN202790234U (en) * | 2012-09-29 | 2013-03-13 | 杭州吉成汽车零部件有限公司 | Semimetal drum-type brake shoe assembly |
| CN202851750U (en) * | 2012-09-29 | 2013-04-03 | 杭州吉成汽车零部件有限公司 | Drum-type brake shoe assembly of no-asbestos organic (NAO) type friction materials |
| CN106285269A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | Body hinge and vehicle |
| CN105805173A (en) * | 2016-05-17 | 2016-07-27 | 杭州雷迪克节能科技股份有限公司 | High-corrosion resistance hub bearing unit and machining process |
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| Publication number | Publication date |
|---|---|
| CN108869584A (en) | 2018-11-23 |
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Effective date of registration: 20210607 Address after: 510000 No. 10, 108 Hefeng street, Yonghe Economic Zone, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: GUANGZHOU ZHONGBO BRAKE SYSTEM Co.,Ltd. Address before: 510000 No.10, Hefeng 1st Street, Yonghe Economic Zone, Guangzhou Economic and Technological Development Zone, Guangzhou City, Guangdong Province Patentee before: GUANGDONG ZHONGBO AUTOMOBILE PARTS Co.,Ltd. |
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