CN204852108U - Brake - Google Patents
Brake Download PDFInfo
- Publication number
- CN204852108U CN204852108U CN201520605370.8U CN201520605370U CN204852108U CN 204852108 U CN204852108 U CN 204852108U CN 201520605370 U CN201520605370 U CN 201520605370U CN 204852108 U CN204852108 U CN 204852108U
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- CN
- China
- Prior art keywords
- axle sleeve
- compensation
- brake
- jump ring
- outside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 210000000080 chela (arthropods) Anatomy 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a brake, including stop nave boss (1), lift kits (4) and braking pincers shell (5) the bilateral symmetry cover at the middle part of nave boss (1) stopped is equipped with two friction disc (3), every the outside of friction disc (3) all is equipped with brake film (31), two the inboard symmetric connection from top to bottom of friction disc (3) has two guiding axle (7), every it is equipped with return spring (71), both sides all to overlap on guiding axle (7) the outside at brake film (31) middle part has all set firmly the aerodynamic balance device, be equipped with top cap (81) in the aerodynamic balance device, top cap (81) correspond the position butt with brake film (31) the outside, and the outside of this aerodynamic balance device is connected with control valve (82). Adopting the aerodynamic balance device, combining the biography power effect of a plurality of springs, carry out the fine compensation to the wearing and tearing clearance of stop nave boss and friction disc, braking effect is good, and the life cycle is long, and the security performance is high.
Description
Technical field
The utility model relates to field of automobile, particularly a kind of break.
Background technique
Break has the device making moving element deceleration, stop or keeping the functions such as halted state, movement parts can be made to stop or slowing down, automotive disc brake produced in the market is long for service time one, friction plate can suffer loss, the elastic force of return spring can be not enough, and between friction plate and brake hub, frictional force is inadequate, thus causes brake hub to brake not in time or the result such as inefficacy, i.e. brake failure, the serious traffic accident that then can cause car crash.
Model utility content
The technical problems to be solved in the utility model there is provided a kind of can auto-compensation friction gap, break that Safety performance is high.
The technical solution of the utility model is as follows:
A kind of break, comprise brake hub, suspension holdfast and brake calipers shell, described brake hub is installed in brake calipers shell, described brake calipers shell is spirally connected and is fixed on suspension holdfast, two friction plates are arranged with in the bilateral symmetry at the middle part of described brake hub, the outside of each described friction plate is equipped with brake egative film, the inner side of two described friction plates is symmetrically connected with two axis of guides up and down, the axis of guide described in every root is all arranged with return spring, the outside of braking described in both sides in the middle part of egative film is all installed with aerodynamic balance device, top cover is provided with in described aerodynamic balance device, described top cover abuts with the corresponding position outside brake egative film, the outside of this aerodynamic balance device is connected with control valve, described control valve is provided with tracheae, described tracheae is connected through with aerodynamic balance device.
Adopt above structure, two aerodynamic balance devices are provided with in the both sides of brake hub, tracheae is connected with the air pump of automobile, two aerodynamic balance devices are given by control valve regulation output pressure, the pressure of recycling aerodynamic balance device, impel the top cover in two aerodynamic balance devices to extrude brake egative film simultaneously, and drive the friction plate extruding brake hub of respective side, now return spring shrinks, under the effect of the axis of guide, return spring can not bending deflection, braking effect is removed, return spring trails along the axis of guide and is returned to initial position, the compensation of friction plate is moved and all comparatively big error can not be occurred with return, braking effect is accurate, when brake hub or friction disc wear, mismatch error strengthens, wearing clearance can be formed, this wearing clearance can affect and coordinate dynamics between brake hub with friction plate, braking effect can be worse and worse, and aerodynamic balance device can utilize air pressure to compensate the wearing clearance between friction plate and brake hub, to continue to reach to the suitable braking effect of automobile, avoid the generation of the situations such as brake failure, the working life of brake hub or friction plate can be extended, save vehicle maintenance cost, improve vehicle safety.
In order to simplified structure reaches the object of simple operation, meet simultaneously and between each parts in aerodynamic balance device, to compensate the smooth and easy of mobile and return, as preferably, described aerodynamic balance device comprises cylinder, top cover and piston is provided with in described cylinder, described piston area is provided with opening to the side of top cover, the first compensation axle sleeve is provided with in this piston, described first compensates the port of axle sleeve one end respectively to interior, in outer both sides horizontal-extending is formed, outer two flanges also abut with top cover, described first the other end compensating axle sleeve is socketed with pressing plate and abuts with the corresponding position of cylinder inner wall fixing, described first outside compensating axle sleeve is arranged with the first counterbalance spring, one end of described first counterbalance spring abuts with the first outboard flanges compensating axle sleeve, the other end abuts with the madial wall of pressing plate, be nested with at described first compensation axle sleeve and be provided with the second compensation axle sleeve, described second port, one end compensating axle sleeve also extends to form flange laterally, described second outside compensating axle sleeve is arranged with the second counterbalance spring, one end of described second counterbalance spring abuts the medial flange that first compensates axle sleeve, and the other end abuts with the second inner side compensating bushing collars, described second middle part compensating axle sleeve is provided with through hole, fixing bolt is equipped with in described through hole, the root in described fixing bolt bar portion is provided with one section of screw thread, all the other positions, bar portion are polished rod, this fixing bolt is spirally connected and is fixed on cylinder, its bar portion is fed through the second compensation axle sleeve and first from outside to inside successively and compensates axle sleeve, and stretches into the middle part of top cover.
In order to the elastic force sensitivity produced after improving Pneumatic extrusion spring, as preferably, described first compensation axle sleeve and second compensates between axle sleeve and is installed with compensation jump ring, and the spring sheet that described compensation jump ring is overlapped by two panels forms, and described counterbalance spring is set in the bar portion of fixing bolt.
In order to the elastic force sensitivity produced after improving Pneumatic extrusion spring further, and improve the validity of backlash compensation, reduce the effect of stress between each parts, as preferably, compensate between axle sleeve at described piston and first and be provided with the first location jump ring, described first location jump ring is nested on the inwall of piston, and abuts with the outer side surface of pressing plate and the first inner side surface compensating axle sleeve respectively; Described compensation jump ring and second compensates between axle sleeve and is provided with the second location jump ring, and described second location jump ring is nested on the inwall of the first compensation axle sleeve.
In order to the transmission improving extruding top cover elastic force is efficient, as preferably, the internal diameter of described second location jump ring is less than the external diameter compensating jump ring.
In order to the transmission effect of the tightness and piston that improve cylinder, as preferably, the outer wall of described piston is nested with oil sealing.
Beneficial effect: adopt aerodynamic balance device, in conjunction with the power transmission effect of multiple spring, carry out fine compensation, good braking effect to the wearing clearance of brake hub and friction plate, life cycle is long, and Safety performance is high.
Accompanying drawing explanation
Fig. 1 is appearance schematic diagram of the present utility model.
Fig. 2 is mounting structure schematic diagram of the present utility model.
Fig. 3 is the A place enlarged view in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model is by brake hub 1, the compositions such as suspension holdfast 4 and brake calipers shell 5, described brake hub 1 is installed in brake calipers shell 5, described brake calipers shell 5 is spirally connected and is fixed on suspension holdfast 4, two friction plates 3 are arranged with in the bilateral symmetry at the middle part of described brake hub 1, the outside of each described friction plate 3 is equipped with brake egative film 31, the inner side of two described friction plates 3 is symmetrically connected with two axis of guides 7 up and down, the axis of guide 7 described in every root is all arranged with return spring 71, the outside of braking described in both sides in the middle part of egative film 31 is all installed with aerodynamic balance device.
Described aerodynamic balance device comprises cylinder 8, top cover 81 and piston 9 is provided with in described cylinder 8, the outer wall of described piston 9 is nested with oil sealing 91, this piston 9 is provided with opening towards the side of top cover 81, the first compensation axle sleeve 61 is provided with in this piston 9, described first compensates the port of axle sleeve 61 one end respectively to interior, in outer both sides horizontal-extending is formed, outer two flanges also abut with top cover 81, described first the other end compensating axle sleeve 61 is socketed with pressing plate 83 and abuts with the corresponding position of cylinder 8 inwall fixing, described first outside compensating axle sleeve 61 is arranged with the first counterbalance spring 62, the outside step surface that one end and first of described first counterbalance spring 62 compensates axle sleeve 61 abuts, the other end abuts with the madial wall of pressing plate 83.
Be nested with at described first compensation axle sleeve 61 and be provided with the second compensation axle sleeve 63, described second port, one end compensating axle sleeve 63 also extends to form step surface laterally, described second outside compensating axle sleeve 63 is arranged with the second counterbalance spring 64, one end of described second counterbalance spring 64 abuts the inner side step face that first compensates axle sleeve 61, and the inner side that the other end and second compensates axle sleeve 63 step surface abuts.
Described second middle part compensating axle sleeve 63 is provided with through hole, fixing bolt 6 is equipped with in described through hole, the root in described fixing bolt 6 bar portion is provided with one section of screw thread, all the other positions, bar portion are polished rod, this fixing bolt 6 is spirally connected and is fixed on cylinder 8, its bar portion is fed through the second compensation axle sleeve 63 and first from outside to inside successively and compensates axle sleeve 61, and stretches into the middle part of top cover 81.
Compensate between axle sleeve 61 and the second compensation axle sleeve 63 described first and be installed with compensation jump ring 10, the spring sheet that described compensation jump ring 10 is overlapped by two panels forms, and described compensation jump ring 10 is fixed in the bar portion of fixing bolt 6.
Compensate between axle sleeve 61 at described piston 9 and first and be provided with the first location jump ring 21, described first location jump ring 21 is nested on the inwall of piston 9, and abuts with the outer side surface of pressing plate 83 and the first inner side surface compensating axle sleeve 61 respectively; Described compensation jump ring 10 and second compensates between axle sleeve 63 and is provided with the second location jump ring 22, and described second location jump ring 22 is nested on the inwall of the first compensation axle sleeve 61; The internal diameter of described second location jump ring 22 is less than the external diameter compensating jump ring 10.
The outside of described cylinder 8 is connected with control valve 82, and described control valve 82 is provided with tracheae 84, and described tracheae 84 is connected through with cylinder 8.
Using method of the present utility model is as follows:
As shown in Fig. 1 to Fig. 3, after brake hub 1 or friction plate 3 wear and tear, gap between brake hub 1 and friction plate 3 increases, during automobile brake, the displacement distance of friction plate 3 increases, the displacement amount of corresponding piston 9 also increases, now, air pressure is increased under the conciliation of control valve 82, when friction plate 3 arrives default application position, continue to promote the piston 9 of both sides turn right (left side) continue movement, now, first compensates axle sleeve 61 extrudes the first location jump ring 21, first location jump ring 21 extrudes pressing plate 83, pressing plate 83 extrudes the second compensation axle sleeve 63, second compensation axle sleeve 63 is moved to the top cover 81 of respective side, drive top cover 81 to abut successively and drive brake egative film 31 and friction plate 3 to move, the friction plate 3 of both sides is drawn close to brake hub 1 simultaneously, return spring 71 is squeezed and shrinks, and the friction plate 3 of both sides is contacted with brake hub 1 reach braking effect, meanwhile, because jump ring 22 is located in the second inner side extruding second compensating the flange of axle sleeve 63, while the friction plate 3 of both sides contacts with brake hub 1, the effect of buffering destressing can be played, braking effect is more smooth-going, improve driving safety.
In addition, because the internal diameter of the second location jump ring 22 is less than compensation jump ring 10, in moving process, the madial wall of the second location jump ring 22 can directly abut the outer side wall compensating jump ring 10, the elastic force sensitivity produced after improve Pneumatic extrusion spring, and improve the validity of backlash compensation, reduce the effect of stress between each parts.
When cancelling braking, braking pressure is eliminated, and under return spring 71 acts on, promotion friction plate 3, brake egative film 31 and top cover 81 left (right side) return initial position, and meanwhile, each parts in cylinder 8 also return to initial position.
By above-mentioned reciprocating operation, the wearing clearance between brake hub 1 and friction plate 3 in the reasonable scope, can carry out backlash compensation, save vehicle maintenance cost, improve vehicle safety
Can produce larger friction torque in braking process, brake egative film 31 overcomes the rotation of friction plate 3 by the support that piston 9 external diameter is located, and can overcome the relative play between friction plate 3 and brake egative film 31, with the problem avoiding both sides friction plate 3 to brake unbalance stress.
It is consistent with prior art that the utility model does not describe part, and therefore not to repeat here.
These are only mode of execution of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing the utility model specification and accompanying drawing content to do; directly or indirectly be used in the technical field that other are relevant, all in like manner within scope of patent protection of the present utility model.
Claims (6)
1. a break, comprise brake hub (1), suspension holdfast (4) and brake calipers shell (5), described brake hub (1) is installed in brake calipers shell (5), described brake calipers shell (5) is spirally connected and is fixed on suspension holdfast (4), it is characterized in that: be arranged with two friction plates (3) in the bilateral symmetry at the middle part of described brake hub (1), the outside of each described friction plate (3) is equipped with brake egative film (31), the inner side of two described friction plates (3) is symmetrically connected with two axis of guides (7) up and down, the axis of guide (7) described in every root is all arranged with return spring (71), brake described in both sides egative film (31) middle part outside be all installed with aerodynamic balance device, top cover (81) is provided with in described aerodynamic balance device, described top cover (81) abuts with the corresponding position in brake egative film (31) outside, the outside of this aerodynamic balance device is connected with control valve (82), described control valve (82) is provided with tracheae (84), described tracheae (84) is connected through with aerodynamic balance device.
2. a kind of break according to claim 1, it is characterized in that: described aerodynamic balance device comprises cylinder (8), top cover (81) and piston (9) is provided with in described cylinder (8), described piston (9) is provided with opening towards the side of top cover (81), the first compensation axle sleeve (61) is provided with in this piston (9), described first compensates the port of axle sleeve (61) one end respectively to interior, in outer both sides horizontal-extending is formed, outer two flanges also abut with top cover (81), described first the other end compensating axle sleeve (61) is socketed with pressing plate (83) and abuts with the corresponding position of cylinder (8) inwall fixing, described first outside compensating axle sleeve (61) is arranged with the first counterbalance spring (62), the outside step surface that one end and first of described first counterbalance spring (62) compensates axle sleeve (61) abuts, the other end abuts with the madial wall of pressing plate (83), be nested with in described first compensation axle sleeve (61) and be provided with the second compensation axle sleeve (63), described second port, one end compensating axle sleeve (63) also extends to form step surface laterally, described second outside compensating axle sleeve (63) is arranged with the second counterbalance spring (64), one end of described second counterbalance spring (64) abuts the inner side step face that first compensates axle sleeve (61), and the inner side that the other end and second compensates axle sleeve (63) step surface abuts, described second middle part compensating axle sleeve (63) is provided with through hole, fixing bolt (6) is equipped with in described through hole, the root in described fixing bolt (6) bar portion is provided with one section of screw thread, all the other positions, bar portion are polished rod, this fixing bolt (6) is spirally connected and is fixed on cylinder (8), its bar portion is fed through the second compensation axle sleeve (63) and first from outside to inside successively and compensates axle sleeve (61), and stretches into the middle part of top cover (81).
3. a kind of break according to claim 2, it is characterized in that: described first compensation axle sleeve (61) and second compensates between axle sleeve (63) and is installed with compensation jump ring (10), the spring sheet that described compensation jump ring (10) is overlapped by two panels forms, and described compensation jump ring (10) is fixed in the bar portion of fixing bolt (6).
4. a kind of break according to claim 2, it is characterized in that: compensate between axle sleeve (61) at described piston (9) and first and be provided with the first location jump ring (21), described first location jump ring (21) is nested on the inwall of piston (9), and the inner side surface compensating axle sleeve (61) respectively with the outer side surface and first of pressing plate (83) abuts; Described compensation jump ring (10) and second compensates between axle sleeve (63) and is provided with the second location jump ring (22), and described second location jump ring (22) is nested on the inwall of the first compensation axle sleeve (61).
5. a kind of break according to claim 4, is characterized in that: the internal diameter of described second location jump ring (22) is less than the external diameter compensating jump ring (10).
6. a kind of break according to claim 4, is characterized in that: on the outer wall of described piston (9), be nested with oil sealing (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605370.8U CN204852108U (en) | 2015-08-13 | 2015-08-13 | Brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605370.8U CN204852108U (en) | 2015-08-13 | 2015-08-13 | Brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852108U true CN204852108U (en) | 2015-12-09 |
Family
ID=54742658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520605370.8U Expired - Fee Related CN204852108U (en) | 2015-08-13 | 2015-08-13 | Brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457039A (en) * | 2019-01-18 | 2020-07-28 | 克诺尔轨道车辆系统有限公司 | Wear compensation adjuster for a compact brake caliper unit and compact brake caliper unit |
-
2015
- 2015-08-13 CN CN201520605370.8U patent/CN204852108U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457039A (en) * | 2019-01-18 | 2020-07-28 | 克诺尔轨道车辆系统有限公司 | Wear compensation adjuster for a compact brake caliper unit and compact brake caliper unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180813 |