CN203257949U - Automatic gap adjusting mechanism applied to air disc brake - Google Patents
Automatic gap adjusting mechanism applied to air disc brake Download PDFInfo
- Publication number
- CN203257949U CN203257949U CN2013201980563U CN201320198056U CN203257949U CN 203257949 U CN203257949 U CN 203257949U CN 2013201980563 U CN2013201980563 U CN 2013201980563U CN 201320198056 U CN201320198056 U CN 201320198056U CN 203257949 U CN203257949 U CN 203257949U
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- shifting block
- gap
- rotating shaft
- disc brake
- self
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Abstract
The utility model discloses an automatic gap adjusting mechanism applied to an air disc brake. The automatic gap adjusting mechanism comprises a primary adjusting mandrel, a self-adjusting rotary shaft and a poke block cover, wherein the self-adjusting rotary shaft is arranged on the primary adjusting mandrel, and a transmission device of a compressed flaky structure is arranged between the self-adjusting rotary shaft and the poke block cover. The transmission device comprises a limiting pad and a rotary gasket. A rotary shaft cover is embedded on the outer side of the self-adjusting rotary shaft, and the limiting pad is arranged in the rotary shaft cover. The automatic gap adjusting mechanism prevents the end face from being abraded and improves stability of torque transmission. By means of the technical scheme, assembly process, quality control and product reliability are greatly improved. Meanwhile, the automatic gap adjusting mechanism is simple in structure, guarantees automatic compensation of a brake gap after brake abrasion, and guarantees that a brake part bears proper torque, and therefore the brake part of the brake is protected and the brake gap is stably adjusted.
Description
Technical field
The utility model belongs to motor vehicle braking systems manufacturing technology field, specifically, relates to the automatic adjustment mechanism for gap that is applied to air-pressure disc brake.
Background technique
At present, in motor vehicle braking systems manufacturing technology field, the application of air-pressure disc brake is very extensive, and air-pressure disc brake is as the safety component of Motor Vehicle, and its effect is particularly important.
Existing motor vehicle braking systems air-pressure disc brake generally comprises pressure arm, supporting base, push-rod assembly, brake pad, braking clamp body etc.The braking process of existing pneumatic-typed disk type braker is as follows: drive supporting base by pressure arm and produce axial displacement, float to realize braking thereby advance brake pad to press brake disc band moving caliper by the push-rod assembly that is mated;
Mostly be provided with clearance automatic compensation mechanism on the existing gas disk type braker.The push rod of air-pressure disc brake and the gap width of brake slipper are called the working clearance, the gap of working clearance by pressure arm shift fork and regulator moving tooth presets, the working clearance value for when braking pressure arm from the initial position to the shift fork, begin to mesh with the regulator moving tooth and drive by regulator and adjust the displacement that push rod advances with supporting base in the pipe rotation process; After brake pad and the brake disc wear, the gap of push rod and brake pad was worth greater than the working clearance, and need to adjust forward the position of push rod this moment.
In the prior art, for above-mentioned technical problem, realize by the automatic adjustment mechanism for gap of air-pressure disc brake, but there are following many technical problems in gap automatic regulating device of the prior art:
1, in the automatic adjustment mechanism for gap of prior art air-pressure disc brake, the self-regulated rotating shaft drives the rotation of shifting block cover with passing through steel ball or ball, realizes self-regulating;
In the automobile braking process, the pressure arm shift fork of break contacts engagement and drives regulator and rotates with the regulator moving tooth, regulator drives the self-regulated rotating shaft by unilateral bearing and rotates, the self-regulated rotating shaft drives the shifting block cover by ball and rotates, the shifting block cover rotates and drives the push rod rotation, if this moment, push rod did not contact with brake slipper, the shifting block cover will drive push rod and rotate relative to supporting base, the push rod position is moved forward, realize the wear compensation of brake slipper, if push rod contacts with brake slipper and certain pressure is arranged, cause the moment of rotating push-rod excessive, the steel ball between shifting block cover and the self-regulated rotating shaft skids and interrupts driving torque.
Adopt the form of steel ball when braking torque is excessive, to play overload protective function in the prior art between self-regulated rotating shaft and the shifting block cover; But also have technological deficiency, when adjustment process, steel ball structure is easy to cause steel ball climbing phenomenon and inclined-plane return action, causes excessive adjustment, makes brake clearance too small, drags moment and increases, and the car load fuel consumption increases.
2, in the prior art, the automatic adjustment mechanism for gap of air-pressure disc type brake also adopts outer directly by self-regulated rotating shaft and shifting block cover end face or conical surface linkage structure, but these structures have some shortcomings:
Adopt self-regulated rotating shaft and shifting block cover end face or conical surface friction structure, after oil enters surface of contact, friction factor diminishes, the adjustment moment of torsion is less than normal, when causing the bigger than normal and shifting block cover end face of brake clearance or conical surface serious wear, spring pressure diminishes, and frictional force diminishes thereupon, can't realize from conditioning function, cause break to work.
The model utility content
Technical problem to be solved in the utility model is, in the automatic adjustment mechanism for gap of prior art air-pressure disc brake, adopt the mode of steel ball or ball to be connected between self-regulated rotating shaft and the shifting block cover, when adjustment process, steel ball structure is easy to cause steel ball climbing phenomenon and inclined-plane return action, causes excessive adjustment, makes brake clearance too small, drag moment and increase, the car load fuel consumption increases; Available technology adopting self-regulated rotating shaft and shifting block cover end face or conical surface friction structure, after oil enters surface of contact, friction factor diminishes, the adjustment moment of torsion is less than normal, and when causing the bigger than normal and shifting block cover end face of brake clearance or conical surface serious wear, spring pressure diminishes, frictional force diminishes thereupon, can't realize from conditioning function, cause break to work, and the automatic adjustment mechanism for gap that is applied to air-pressure disc brake is provided.
The utility model technical conceive is, in the automatic adjusting mechanism of existing air-pressure disc brake, in order to solve steel ball or roll structure between self-regulated rotating shaft and the shifting block cover, steel ball climbing phenomenon and inclined-plane return action, thereby cause excessive adjustment, make brake clearance too small, drag moment and increase, the car load fuel consumption is increased; Or the self-regulated rotating shaft is connected with shifting block cover end face or conical surface friction, when causing shifting block cover end face or conical surface serious wear, the gap is bigger than normal, can't realize from conditioning function, etc. technical problem, and provide a kind of new technical conceive, the utility model design is on the basis of existing automatic adjustment mechanism for gap, at self-regulated rotating shaft and shifting block cover the multidisc structure being set is connected, specifically, mutual friction plate body structure is set, inside and outside described body structure, airtight oil pocket is set simultaneously, can transmit stable moment of torsion, thereby solve the problems of the technologies described above.
Technological scheme provided by the utility model is, be applied to the automatic adjustment mechanism for gap of air-pressure disc brake, comprise the whole mandrel of homophony, self-regulated rotating shaft and shifting block cover, described self-regulated rotating shaft is arranged on the whole mandrel of described homophony, is provided with the transmission device of the sheet structure of mutual compression between described self-regulated rotating shaft and the described shifting block cover.
Described transmission device is made of spacing pad and rotation pad, and described self-regulated rotating shaft is embedded with the rotating shaft cover outward, and described spacing pad and rotation pad are arranged in the described rotating shaft cover.
Be provided with oil storage hole in the described spacing pad, described spacing pad and rotation pad peripheral hardware have protective housing, and described rotation pad passes between the whole mandrel of homophony and the described spacing pad by the friction pair driving torque.
Described automatic adjustment mechanism for gap also comprises positioning plate assembly, unilateral bearing, unilateral bearing stationary bushing, regulator, main shifting block, and the whole mandrel of described homophony top connects described positioning plate assembly by rubber pad and pressing plate.
Be provided with plain washer in the described positioning plate assembly, described positioning plate assembly is connected with described unilateral bearing stationary bushing end contact.
Described unilateral bearing stationary bushing and described self-regulated rotating shaft interference fit.
Described self-regulated rotating shaft connects regulator by described unilateral bearing.
Be provided with the regulator spring of taper between described positioning plate assembly and the described regulator.
Whole mandrel one end of described homophony connects described main shifting block by connecting pin, and described connecting pin is arranged in the described main shifting block.
Described main shifting block is arranged in the described shifting block cover, and described main shifting block slides in described shifting block cover vertically, and and described shifting block cover between be provided with the shifting block spring.
Adopt technological scheme provided by the utility model, can effectively solve the utility model in the automatic adjusting mechanism of existing air-pressure disc brake, in order to solve steel ball or roll structure between self-regulated rotating shaft and the shifting block cover, steel ball climbing phenomenon and inclined-plane return action, thereby cause excessive adjustment, the car load fuel consumption is increased; Or the self-regulated rotating shaft is connected with shifting block cover end face or conical surface friction, causes shifting block cover end face or conical surface serious wear, and the gap is bigger than normal, can't realize from conditioning function, etc. technical problem; Technological scheme provided by the utility model is wherein rotated pad and is passed between the whole mandrel of homophony and the spacing pad by the friction pair driving torque.A plurality of oil storage holes are arranged in the spacing pad, protective housing is arranged outward, can store a large amount of lubricant oil, improve a lot to preventing end wear and transmitting torque stability.The utility model adopts technique scheme, and very big raising is being arranged aspect assembly technology, quality control and the product reliability.Simultaneously, the utility model is simple in structure, has guaranteed that auto-compensation and the brake member of brake clearance bears suitable moment of torsion after the brake wear, thereby has protected the break brake member and adjusted reposefully the brake clearance amount.
Description of drawings,
By reference to the accompanying drawings, the utility model is described further:
Fig. 1 is the utility model structural representation;
Wherein, 1 is the whole mandrel of homophony; 2 is rubber pad; 3 is pressing plate; 4 is positioning plate assembly;
5 is the regulator spring; 6 is regulator; 7 is unilateral bearing; 8 are the self-regulated rotating shaft; 9 are the rotating shaft cover; 10 is spacing pad; 11 are the rotation pad; 12 is the shifting block cover; 13 is the shifting block spring; 14 is main shifting block; 15 is connecting pin; 16 is plain washer; 17 is the unilateral bearing stationary bushing.
Embodiment
As shown in Figure 1, the automatic adjustment mechanism for gap that is applied to air-pressure disc brake provided by the utility model, comprise the whole mandrel 1 of homophony, self-regulated rotating shaft 8 and shifting block cover 12, described self-regulated rotating shaft 8 is arranged on the whole mandrel 1 of described homophony, is provided with the transmission device of the sheet structure of mutual compression between described self-regulated rotating shaft 8 and the described shifting block cover 12.Described transmission device is made of spacing pad 10 and rotation pad 11, is embedded with rotating shaft cover 9 outside the described self-regulated rotating shaft 8, and described spacing pad 10 is arranged in the described rotating shaft cover 9.
A kind of multidisc regulating mechanism that is applied to air-pressure disc brake of the present utility model comprises the whole mandrel 1 of homophony, rubber pad 2, pressing plate 3, positioning plate assembly 4, regulator spring 5, regulator 6, unilateral bearing 7, self-regulated rotating shaft 8, rotating shaft cover 9, spacing pad 10, rotation pad 11, shifting block cover 12, shifting block spring 13, main shifting block 14, connecting pin 15, plain washer 16, unilateral bearing stationary bushing 17; Wherein the whole mandrel of homophony 1 top connects positioning plate assembly 4 by rubber pad 2 and pressing plate 3, be provided with in the positioning plate assembly 4 plain washer 16 and with unilateral bearing stationary bushing 17 end contacts, unilateral bearing stationary bushing 17 and self-regulated rotating shaft 8 interference fit are with 7 axial motions of restriction unilateral bearing, self-regulated rotating shaft 8 connects regulator 6 by unilateral bearing 7, be provided with the regulator spring 5 of taper between positioning plate assembly 4 and the regulator 6, whole mandrel 1 the other end of homophony connects main shifting block 14 connecting pins 15 by connecting pin 15 and places in the main shifting block 14, main shifting block 14 places in the shifting block cover 12 and can slide vertically, and and shifting block cover 12 between be provided with shifting block spring 13, self-regulated rotating shaft 8 outer embedding rotating shaft covers 9, spacing pad 10 places in the rotating shaft cover 9; Rotation pad 11 passes and passes through the friction pair driving torque between the whole mandrel 1 of homophony and the spacing pad 10, and this multidisc regulating mechanism is mainly finished the gap automatic regulating function by the parts of tooth of regulator 6 and the pressure arm engagement of break; Self-regulated rotating shaft 8 outer embedding rotating shaft covers 9, spacing pad 10 places in the rotating shaft cover 9; Rotation pad 11 passes between the whole mandrel 1 of homophony and the spacing pad 10 by the friction pair transmission; Rotation pad 11 passes and passes through the friction pair transmission between the whole mandrel 1 of homophony and the spacing pad 10, in the spacing pad 10 a plurality of oil storage holes is arranged, and protective housing is arranged outward, can store a large amount of lubricant oil, improves a lot to preventing end wear and carry-over moment stability.The utility model adopts technique scheme, and very big raising is being arranged aspect assembly technology, quality control and the product reliability.Simultaneously, the utility model is simple in structure, has guaranteed that auto-compensation and the brake member of brake clearance bears suitable moment of torsion after the brake wear, thereby has protected the break brake member and adjusted reposefully the brake clearance amount.
Claims (10)
1. be applied to the automatic adjustment mechanism for gap of air-pressure disc brake, comprise the whole mandrel of homophony (1), self-regulated rotating shaft (8) and shifting block cover (12), described self-regulated rotating shaft (8) is arranged on the whole mandrel of described homophony (1), it is characterized in that, be provided with the transmission device of the sheet structure of mutual compression between described self-regulated rotating shaft (8) and the described shifting block cover (12).
2. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 1, it is characterized in that, described transmission device is made of spacing pad (10) and rotation pad (11), the outer rotating shaft cover (9) that is embedded with of described self-regulated rotating shaft (8), described spacing pad (10) and rotation pad (11) are arranged in the described rotating shaft cover (9).
3. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 1 and 2, it is characterized in that, be provided with oil storage hole in the described spacing pad (10), the outer protective housing that is provided with of described spacing pad (10) and described rotation pad (11), described rotation pad (11) passes between the whole mandrel of homophony (1) and the described spacing pad (10) by the friction pair driving torque.
4. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 3, it is characterized in that, described automatic adjustment mechanism for gap also comprises positioning plate assembly (4), unilateral bearing (7), unilateral bearing stationary bushing (17), regulator (6), main shifting block (14), and the whole mandrel of described homophony (1) top connects described positioning plate assembly (4) by rubber pad (2) and pressing plate (3).
5. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 4, it is characterized in that, be provided with plain washer (16) in the described positioning plate assembly (4), described positioning plate assembly (4) is connected with described unilateral bearing stationary bushing (17) end contact.
6. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 5 is characterized in that, described unilateral bearing stationary bushing (17) and described self-regulated rotating shaft (8) interference fit.
7. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 6 is characterized in that, described self-regulated rotating shaft (8) connects regulator (6) by described unilateral bearing (7).
8. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 7 is characterized in that, is provided with the regulator spring (5) of taper between described positioning plate assembly (4) and the described regulator (6).
9. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 8, it is characterized in that, whole mandrel (1) one end of described homophony connects described main shifting block (14) by connecting pin (15), and described connecting pin (15) is arranged in the described main shifting block (14).
10. the automatic adjustment mechanism for gap that is applied to air-pressure disc brake according to claim 9, it is characterized in that, described main shifting block (14) is arranged in the described shifting block cover (12), described main shifting block (14) slides in described shifting block cover (12) vertically, and and described shifting block cover (12) between be provided with shifting block spring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201980563U CN203257949U (en) | 2013-04-18 | 2013-04-18 | Automatic gap adjusting mechanism applied to air disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201980563U CN203257949U (en) | 2013-04-18 | 2013-04-18 | Automatic gap adjusting mechanism applied to air disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257949U true CN203257949U (en) | 2013-10-30 |
Family
ID=49470516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201980563U Withdrawn - After Issue CN203257949U (en) | 2013-04-18 | 2013-04-18 | Automatic gap adjusting mechanism applied to air disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216553A (en) * | 2013-04-18 | 2013-07-24 | 芜湖伯特利汽车安全***有限公司 | Gap automatically adjusting mechanism applied to air disc brake |
-
2013
- 2013-04-18 CN CN2013201980563U patent/CN203257949U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216553A (en) * | 2013-04-18 | 2013-07-24 | 芜湖伯特利汽车安全***有限公司 | Gap automatically adjusting mechanism applied to air disc brake |
| CN103216553B (en) * | 2013-04-18 | 2016-08-03 | 芜湖伯特利汽车安全***股份有限公司 | A kind of automatic adjustment mechanism for gap being applied to air-pressure disc brake |
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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: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee before: Wuhu Bethel Automotive Secure Systems Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |