CN204985448U - Automatic arresting gear in compensation braking clearance - Google Patents
Automatic arresting gear in compensation braking clearance Download PDFInfo
- Publication number
- CN204985448U CN204985448U CN201520734940.3U CN201520734940U CN204985448U CN 204985448 U CN204985448 U CN 204985448U CN 201520734940 U CN201520734940 U CN 201520734940U CN 204985448 U CN204985448 U CN 204985448U
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- piston
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- seat
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Abstract
The utility model relates to an automatic arresting gear in compensation braking clearance, including piston seat (1) to and install piston (7) in piston seat (1), be connected with compensation arrangement (9) between piston (7) and the piston seat, this compensation arrangement includes hole (71) of piston (7) right -hand member, groove round pin (6) and this hole (71) interference fit, have in the groove round pin (6) a through -hole (61), one spacing bolt (5) are followed this through -hole (61) and are worn out and piston seat (1) fixed connection, the external diameter of bolt head (51) of spacing bolt (5) is less than the external diameter of groove round pin (6), the right -hand member face of bolt head (51) with distance between the left end face of groove round pin (6) equals to brake the clearance, the right -hand member face and piston seat (1) the contact of groove round pin (6). The device simple structure, spatial structure is little, and clearance, invariable braking distance can be brakied by automatic compensation to easy installation or repacking.
Description
Technical field
The utility model relates to a kind of brake clearance automatic compensation brake, comprises piston seat more specifically, and is installed on the piston in piston seat.
Background technique
Current brake application is in extensive range, many equipment has application, especially in automobile industry., all there is brake disc and friction disc wear in the existing break comprising brake disc and friction plate, both lower thickness cause brake clearance to increase, thus cause period of braking to extend, and stopping distance increases, and brings threat to the safety traffic of vehicle.Therefore, keeping constant brake clearance, make it to meet period of braking requirement, is the problem that existing break will need to solve.But the modes such as existing brake clearance compensates to mainly contain and adds adjustment pad, adjustment stud; But these modes need human at periodic intervals to check and adjust, some even needs to take assembling apart and just can be achieved, and does not accomplish to compensate brake clearance in time, still has larger hidden danger.The break of more existing auto-compensation brake clearances, as Chinese patent (CN201410342007) complex structure, changes former break comparatively large, changes to some extent, thus have a definite limitation to installed Whole Equipment to spatial requirement.
Summary of the invention
The purpose of this utility model is exactly to provide the brake clearance automatic compensation brake that a kind of structure is simple, spatial structure is little.
For achieving the above object, the utility model piston seat, and the piston be installed in piston seat, it is characterized in that, compensation device is connected with between described piston and piston seat, this compensation device comprises the endoporus of piston right-hand member, one groove pin and this endoporus interference fit, a through hole is had in described groove pin, one caging bolt passes from this through hole and is fixedly connected with piston seat, the external diameter of the bolt head of described caging bolt is less than the external diameter of described groove pin, distance between the right side of described bolt head and the left side of described groove pin equals brake clearance, the right side of described groove pin contacts with piston seat.
Preferably, described compensation device is circumferentially multiple on piston.
Further, described piston is with resilient mounting.
Preferably, described resilient mounting comprises a bolt, and it is fixedly connected with piston seat through piston, and be set with a Return spring between this bolt and piston, the pulling force of described Return spring is less than the frictional force between described groove pin and endoporus.
During use, piston is moved to the left under external force and promotes friction plate and is moved to the left in the lump and contacts with braking surface, when friction plate or braking surface wearing and tearing, brake clearance strengthens, when again promoting piston and making it be with movable friction plate to contact with braking surface, because brake clearance becomes large, the bolt head conflict groove pin of caging bolt also makes it move right relative to piston.Right-hand member due to groove pin is conflicted piston seat always, and the distance between the initial position Relative friction sheet of piston is reduced, and decreasing value is identical with the value added in gap between friction plate and braking surface, ensure that overall stopping distance is constant.Thus realize the auto-compensation of brake clearance, and structure is simple, spatial structure is little, is easy to install or repacking.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model.
Fig. 2 is the utility model circumference allocation plan.
In figure, 1. piston seat 2. friction plate 3. return spring 4. bolt 5. caging bolt 6. groove pin 7. piston, 8. braking surface, 9. compensation device, 51. bolt heads, 61. through holes, 71. endoporus.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in the figure, the present embodiment comprises piston seat 1, and the piston 7 be installed in piston seat 1, it is characterized in that, compensation device 9 is connected with between described piston 7 and piston seat, this compensation device 9 comprises the endoporus 71 of piston 7 right-hand member, one groove pin 6 and this endoporus 71 interference fit, a through hole 61 is had in described groove pin 6, one caging bolt 5 passes from this through hole 61 and is fixedly connected with piston seat 1, the external diameter of the bolt head 51 of described caging bolt 5 is less than the external diameter of described groove pin 6, distance between the right side of described bolt head 51 and the left side of described groove pin 6 equals brake clearance, the right side of described groove pin 6 contacts with piston seat 1.Described compensation device 9 is circumferentially multiple on piston 7.
Described piston 7 is with resilient mounting, Return spring can be fixed between piston and piston seat, or bolt is fixed on piston seat through piston, be set with rubber elasticity sleeve between bolt and piston, the present embodiment uses and be set with Return spring between described bolt and piston institute.The pulling force of described Return spring 3 is less than the frictional force between described groove pin 6 and endoporus 71.
During use, piston 7 is moved to the left under external force and promotes friction plate 2 and is moved to the left in the lump and contacts with braking surface 8, when friction plate 2 or braking surface 8 have damage, brake clearance strengthens, when again promoting piston 7 and making it be with movable friction plate 2 to contact with braking surface 8, because brake clearance becomes large, the bolt head 51 of caging bolt 5 is conflicted groove pin 6 to make it move right (left described in literary composition, right all with a left side in accompanying drawing, right consistent), due to the right-hand member conflict piston seat 1 always of groove pin 6, distance between the initial position Relative friction sheet 2 of piston 7 is reduced, decreasing value is identical with the value added in gap between friction plate 2 and braking surface 8, ensure that overall stopping distance is constant.
Claims (4)
1. the braking device of an auto-compensation brake clearance, comprise piston seat (1), and the piston (7) be installed in piston seat (1), it is characterized in that, compensation device (9) is connected with between described piston (7) and piston seat, this compensation device comprises an endoporus (71) of piston (7) right-hand member, groove pin (6) and this endoporus (71) interference fit, a through hole (61) is had in described groove pin (6), one caging bolt (5) passes from this through hole (61) and is fixedly connected with piston seat (1), the external diameter of the bolt head (51) of described caging bolt (5) is less than the external diameter of described groove pin (6), the right side of described groove pin (6) contacts with piston seat (1).
2. the braking device of auto-compensation brake clearance according to claim 1, is characterized in that, described compensation device (9) is circumferentially multiple on piston (7).
3. the braking device of auto-compensation brake clearance according to claim 1 and 2, is characterized in that, described piston (7), with resilient mounting, gets back to initial position after making piston (7) end of braking.
4. the braking device of auto-compensation brake clearance according to claim 3, it is characterized in that, described resilient mounting comprises a bolt (4), and it is fixedly connected with piston seat (1) through piston (7), be set with a Return spring (3) between this bolt (4) and piston (7), the pulling force of described Return spring (3) is less than the frictional force between described groove pin (6) and endoporus (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734940.3U CN204985448U (en) | 2015-09-21 | 2015-09-21 | Automatic arresting gear in compensation braking clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734940.3U CN204985448U (en) | 2015-09-21 | 2015-09-21 | Automatic arresting gear in compensation braking clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985448U true CN204985448U (en) | 2016-01-20 |
Family
ID=55119821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520734940.3U Active CN204985448U (en) | 2015-09-21 | 2015-09-21 | Automatic arresting gear in compensation braking clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531011A (en) * | 2021-09-17 | 2021-10-22 | 中车戚墅堰机车车辆工艺研究所有限公司 | Parking brake with braking force automatic compensation function |
-
2015
- 2015-09-21 CN CN201520734940.3U patent/CN204985448U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531011A (en) * | 2021-09-17 | 2021-10-22 | 中车戚墅堰机车车辆工艺研究所有限公司 | Parking brake with braking force automatic compensation function |
| CN113531011B (en) * | 2021-09-17 | 2021-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Parking brake with braking force automatic compensation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |