CN204004103U - A kind of pin-and-hole cooperating structure of brake calipers - Google Patents
A kind of pin-and-hole cooperating structure of brake calipers Download PDFInfo
- Publication number
- CN204004103U CN204004103U CN201420472581.4U CN201420472581U CN204004103U CN 204004103 U CN204004103 U CN 204004103U CN 201420472581 U CN201420472581 U CN 201420472581U CN 204004103 U CN204004103 U CN 204004103U
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- Prior art keywords
- pin
- hole
- supporting pin
- brake calipers
- caliper
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- 238000007789 sealing Methods 0.000 abstract description 7
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- 230000000694 effects Effects 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008520 organization Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 241001397809 Hakea leucoptera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model relates to a kind of pin-and-hole cooperating structure of brake calipers, includes caliper, caliper support and dirt-proof boot; On described caliper, be fixed with guide finger and supporting pin; Described supporting pin is through described dirt-proof boot; On described caliper support, be provided with the pin-and-hole of the end opening coordinating with described supporting pin; The part that described supporting pin stretches in described pin-and-hole is provided with support bushing; One end of described dirt-proof boot is arranged between pin-and-hole and guide finger or supporting pin, and the other end coordinates with the annular groove of supporting pin or guide finger.The technical program can effectively solve the brake calipers abnormal sound of vehicle when jolting road, simultaneously the sealing at Hoist braking pincers pin and pin-and-hole place.
Description
Technical field
The utility model belongs to automobile brake field, specifically refers to pin and the pin-and-hole cooperating structure of a kind of disc type braking tong inside.
Background technique
The structure of automobile disc type brake tongs adopts floating tong type mostly, and such brake calipers is made up of clamp caliper and caliper bracket two-part.Caliper bracket is fixed on spindle, and clamp caliper is connected with caliper bracket by two pins, can slide axially along pin.Two pins of brake calipers, one to be directed to master, claims guide finger, and one to be supported for master, claims supporting pin.
When driver's foot pedal is braked, promoting piston axial motion, also there is axial displacement in clamp caliper, eliminates friction plate and brake disc gap, produces braking clamping force.Therefore, the cooperation between pin-and-hole affects the service behaviour of brake calipers.
In actual use, usually there is following problem in disc type braking tong:
1, vehicle is when jolting road surface, and " cough up and rattle away " abnormal sound appears in brake calipers place.The main cause of this problem is to have gap between brake calipers guide finger or supporting pin and caliper bracket pin-and-hole.At the road traveling that jolts, caliper is subject to Vertical direction when excitation and causes caliper and support generation relative movement, and when guide finger or supporting pin and pin-and-hole matching gap are when larger, guide finger or supporting pin and pin-and-hole generation Metal Contact, brake calipers abnormal sound just occurs.But guide finger or supporting pin and pin-and-hole matching gap value can not design too small, normally slide otherwise affect caliper, cause the slip resistance of brake calipers caliper excessive.
2, after the long period travels, not good because of sealability between the guide finger of brake calipers or supporting pin and pin-and-hole, cause dust or muddy water to enter pin-and-hole inside, affect brake calipers performance, when serious, even cause brake calipers clamping stagnation.
The structure of existing brake calipers is that guide finger 102 and supporting pin 103 are connected by fastening piece with clamp caliper, form sliding pair with caliper bracket pin-and-hole 101, as shown in Figure 1, by setting rational guide finger 102 and supporting pin 103 and pin-and-hole 101 matching gaps, and on guide finger 102 and supporting pin 103, support bushing 104 is set, meet brake calipers usability demand.By the dirt-proof boot 105 of caliper bracket pin-and-hole opening, realize dustproof, waterproof, anti-lubricating grease leaks.Common structure is to add groove at the outside machine of caliper bracket pin-and-hole opening, and dirt-proof boot is buckled in outward in the exterior channels of pin-and-hole.Although such structure can be good at realizing sealing, still Shortcomings part, mainly:
1) do not utilize preferably the rubber structure of dirt-proof boot to carry out the spacing of guide finger and supporting pin and buffering.While braking as met, caliper slides smooth and easy, avoid again vehicle when jolting road, contact the brake calipers abnormal sound of generation because of guide finger with supporting pin with pin-and-hole, must strictly control the matching gap of guide finger and supporting pin and pin-and-hole, and sell the coaxality while assembling.Production and processing and inspection are had higher requirements, can increase cost; And effect is unsatisfactory, road brake calipers abnormal sound still likely jolts.
2) dustproof, water-proof performance is general, automobile, after long-time use, still there will be the problem of dust, muddy water intrusion pin-and-hole inside.
Model utility content
The purpose of this utility model is by prior art being proposed to improvement project, by the technical program, can solving the abnormal sound problem of brake calipers under the road conditions of jolting, and can improve the sealing of guide finger and supporting pin and the pin-and-hole of brake calipers.
The utility model is achieved through the following technical solutions:
A pin-and-hole cooperating structure for brake calipers, includes caliper, caliper support and dirt-proof boot; On described caliper, be fixed with guide finger and supporting pin;
Described supporting pin is through described dirt-proof boot; On described caliper support, be provided with the pin-and-hole of the end opening coordinating with described supporting pin;
Describedly lead the part that supporting pin stretches in described pin-and-hole and be provided with support bushing;
Opening one end inwall of described pin-and-hole is provided with annular groove; The nearly caliper of described supporting pin one end is provided with annular groove; The outer wall of described dirt-proof boot one end is provided with radial groove; Described annular groove matches with described radial groove axial width to the axial component of described open end; Described radial groove to the axial component of the end face relative with described opening matches with described annular groove axial width;
The internal surface of one end that described dirt-proof boot is relative with described caliper coordinates with described annular groove;
The structure of described guide finger is identical with the structure of described supporting pin.
The outer surface that described guide finger or described supporting pin are provided with support bushing part is provided with groove, and the internal surface of described support bushing is provided with projection; Described projection coordinates with described groove.
The outer surface that described guide finger or described supporting pin are provided with support bushing part is provided with projection, and the internal surface of described support bushing is provided with groove; Described projection coordinates with described groove.
Described support bushing outer surface is evenly distributed in axial groove or helical groove.
The external diameter of described guide finger is greater than the external diameter of described supporting pin.
The axial equal angles that described guide finger or described supporting pin stretch into the end of described pin-and-hole one end cuts three seamed edges.
The inwall of the end that described dirt-proof boot is relative with described caliper is provided with at least one circle radial protrusion structure; The quantity of described protruding structure and axial width coordinate with the axial width of described annular groove.
It between the two end part of described dirt-proof boot, is bellow type structure.
The beneficial effects of the utility model are:
The technical solution of the utility model can effectively solve the brake calipers abnormal sound of vehicle when jolting road, simultaneously the sealing at Hoist braking pincers pin and pin-and-hole place.
Brief description of the drawings
Fig. 1 is the pin-and-hole cooperating structure schematic diagram of existing brake calipers;
Fig. 2 is the pin-and-hole cooperating structure schematic diagram of the utility model brake calipers;
Fig. 3 is the utility model brake calipers pin-and-hole opening dirt-proof boot cooperating structure schematic diagram;
Fig. 4 is the utility model brake calipers pin-and-hole structural representation;
Fig. 5 is the utility model dust-proof cover structure schematic diagram;
Fig. 6 is the utility model brake calipers guide finger structural representation;
Fig. 7 is the A-A schematic cross-section of Fig. 6;
Fig. 8 is the utility model brake calipers supporting pin structural representation;
Fig. 9 is the utility model brake calipers supporting pin bush structure schematic diagram.
Embodiment
Describe by the following examples the technical solution of the utility model in detail, following embodiment is only exemplary, only can be used for explaining and explanation the technical solution of the utility model, and can not to be interpreted as is the restriction to technical solutions of the utility model.
In this application, the pin-and-hole cooperating structure of guide finger is identical with the pin-and-hole cooperating structure of supporting pin, is describing below as an example of supporting pin example, and guide finger is just no longer carried out to repeat specification.
Fig. 2 is the pin-and-hole cooperating structure schematic diagram of the utility model brake calipers, adds annular groove at the inside machine of caliper bracket pin-and-hole 1 opening, and dirt-proof boot 5 is embedded between the annular groove and supporting pin 3 or guide finger 2 in pin-and-hole 1.
Shown in Fig. 3 and Fig. 4, on caliper support 7, be respectively arranged with the pin-and-hole 1 of the end opening coordinating with supporting pin 3; Opening one end inwall of pin-and-hole 1 is provided with annular groove 6; Supporting pin 3 is fixed on caliper 8,
Cooperating structure between supporting pin 3, pin-and-hole 1 and dirt-proof boot 5 is shown in the partial sectional view in Fig. 3 left side, outside dirt-proof boot 5 one end, be buckled in the annular groove of supporting pin top, the other end is embedded between the annular groove 6 and supporting pin 3 in pin-and-hole, and it is all interference fit that two places coordinate.
Cooperating structure between guide finger, pin-and-hole and dirt-proof boot is identical with the structure of supporting pin.
Inside machine at caliper bracket pin-and-hole opening adds annular groove 6, and dirt-proof boot 5 is embedded between pin-and-hole 1 inner ring groove 6 and supporting pin 3, by controlling associated part size, makes rubber material dirt-proof boot in interference fit.Dirt-proof boot cooperating structure has to supporting pin the effect that assembling is spacing and motion cushions, and is conducive to eliminate or weaken the road brake calipers abnormal sound that jolts.In addition dirt-proof boot inner side is supporting pin, and outside is pin-and-hole, and dirt-proof boot forms three place's sealing surfaces because being interference fitted in supporting pin outer wall, pin-and-hole annular groove inwall and pin-and-hole annular groove end, has good sealing, and dust and water are difficult for entering pin-and-hole inside.
Fig. 5 is the utility model dust-proof cover structure schematic diagram, and the outer wall of dirt-proof boot 5 one end is provided with radial groove 501; The annular groove of pin-and-hole 1 opening inwall matches with above-mentioned radial groove 501 axial widths to the axial component of open end; Radial groove 501 to the axial component 502 of the end face relative with described opening and annular groove 6 axial widths of described pin-and-hole opening matches; The internal surface of the end 503 that dirt-proof boot 5 is relative with described caliper coordinates with the annular groove 9 on supporting pin.Such structure, is arranged between the opening and supporting pin of pin-and-hole one end of dirt-proof boot, plays the effect of sealing and dustproof, simultaneously, in the time there is the power of caliper vertical ground or when the road surface of jolting, supporting pin can be subject to the support of dirt-proof boot, there will not be abnormal sound problem.Between the two end part of dirt-proof boot, be bellow type structure 504, to prevent movement interference.
As shown in Figure 6 and Figure 7, in the supporting pin 3 of brake calipers and the matching relationship of guide finger 2 and pin-and-hole 1, guide finger 2 is less with pin-and-hole 1 matching gap, is conducive to general assembly.The end cross-sectional shape that guide finger 2 stretches into pin-and-hole one end is not circular, but axially equal angles cuts three seamed edges.This project organization is for storing lubricating grease, and lubricating grease free-flow when being convenient to guide finger and sliding, is evenly coated in guide finger surface.
As shown in Figure 8 and Figure 9, in the guide finger 2 of brake calipers and the matching relationship of supporting pin 3 and pin-and-hole 1, for ease of assembling, supporting pin 3 is larger with pin-and-hole 1 matching gap.Be designed with rubber lining 4 in supporting pin 3 bottoms, support bushing 4 is transition or interference fit with pin-and-hole 1, can avoid or weaken the shock because of guide finger and pin-and-hole relative movement generation.The outer ring of support bushing 4 is provided with the axial notch 401 of circumference uniform distribution, in other embodiment of the application, the outer ring of support bushing is provided with the axial screw groove of circumference uniform distribution, it is spiral groove structured in the time that caliper is braked, the power acting on supporting pin is subject to spiral fluted effect, can change linear thrust into part spiral power and radial force, can make operation mild.This project organization is also for storing lubricating grease, and lubricating grease free-flow when being convenient to supporting pin and sliding, is evenly coated in supporting pin surface.The outer surface that supporting pin is provided with support bushing part is provided with groove, and the internal surface of support bushing is provided with projection; Described projection coordinates with described groove.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that not departing from principle of the present utility model and spirit and can carry out multiple variation, amendment, replacement and modification to these embodiments, scope of the present utility model is by claims and be equal to and limit.
Claims (8)
1. a pin-and-hole cooperating structure for brake calipers, includes caliper, caliper support and dirt-proof boot; On described caliper, be fixed with guide finger and supporting pin;
Described supporting pin is through described dirt-proof boot; On described caliper support, be provided with the pin-and-hole of the end opening coordinating with described supporting pin; It is characterized in that:
The part that described supporting pin stretches in described pin-and-hole is provided with support bushing;
Opening one end inwall of described pin-and-hole is provided with annular groove; The nearly caliper of described supporting pin one end is provided with annular groove; The outer wall of described dirt-proof boot one end is provided with radial groove; Described annular groove matches with described radial groove axial width to the axial component of described open end; Described radial groove to the axial component of the end face relative with described opening matches with described annular groove axial width;
The internal surface of one end that described dirt-proof boot is relative with described caliper coordinates with described annular groove;
The structure of described guide finger is identical with the structure of described supporting pin.
2. the pin-and-hole cooperating structure of brake calipers according to claim 1, is characterized in that: the outer surface that described guide finger or described supporting pin are provided with support bushing part is provided with groove, and the internal surface of described support bushing is provided with projection; Described projection coordinates with described groove.
3. the pin-and-hole cooperating structure of brake calipers according to claim 1, is characterized in that: the outer surface that described guide finger or described supporting pin are provided with support bushing part is provided with projection, and the internal surface of described support bushing is provided with groove; Described projection coordinates with described groove.
4. according to the pin-and-hole cooperating structure of the brake calipers described in any one in claims 1 to 3, it is characterized in that: described support bushing outer surface is evenly distributed in axial groove or helical groove.
5. according to the pin-and-hole cooperating structure of the brake calipers described in any one in claims 1 to 3, it is characterized in that: the external diameter of described guide finger is greater than the external diameter of described supporting pin.
6. according to the pin-and-hole cooperating structure of the brake calipers described in any one in claims 1 to 3, it is characterized in that: the end that described guide finger or described supporting pin stretch into described pin-and-hole one end is triangular pyramid or three terrace with edge shapes.
7. the pin-and-hole cooperating structure of brake calipers according to claim 1, is characterized in that: the inwall of the end that described dirt-proof boot is relative with described caliper is provided with at least one circle radial protrusion structure; The quantity of described protruding structure and radial width coordinate with the radial width of described annular groove.
8. according to the pin-and-hole cooperating structure of the brake calipers described in claim 1 or 7, it is characterized in that: between the two end part of described dirt-proof boot, be bellow type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472581.4U CN204004103U (en) | 2014-08-20 | 2014-08-20 | A kind of pin-and-hole cooperating structure of brake calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472581.4U CN204004103U (en) | 2014-08-20 | 2014-08-20 | A kind of pin-and-hole cooperating structure of brake calipers |
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| Publication Number | Publication Date |
|---|---|
| CN204004103U true CN204004103U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472581.4U Expired - Fee Related CN204004103U (en) | 2014-08-20 | 2014-08-20 | A kind of pin-and-hole cooperating structure of brake calipers |
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| CN (1) | CN204004103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196928A (en) * | 2014-08-20 | 2014-12-10 | 安徽江淮汽车股份有限公司 | Pin hole matching structure for brake caliper |
| CN110388395A (en) * | 2019-06-13 | 2019-10-29 | 东风柳州汽车有限公司 | Automobile floating formula clamp pin shaft |
-
2014
- 2014-08-20 CN CN201420472581.4U patent/CN204004103U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196928A (en) * | 2014-08-20 | 2014-12-10 | 安徽江淮汽车股份有限公司 | Pin hole matching structure for brake caliper |
| CN110388395A (en) * | 2019-06-13 | 2019-10-29 | 东风柳州汽车有限公司 | Automobile floating formula clamp pin shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |