CN105587803A - Brake caliper leaf spring and brake caliper assembly - Google Patents
Brake caliper leaf spring and brake caliper assembly Download PDFInfo
- Publication number
- CN105587803A CN105587803A CN201610159978.1A CN201610159978A CN105587803A CN 105587803 A CN105587803 A CN 105587803A CN 201610159978 A CN201610159978 A CN 201610159978A CN 105587803 A CN105587803 A CN 105587803A
- Authority
- CN
- China
- Prior art keywords
- brake caliper
- friction plate
- brake
- friction
- drag hook
- 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.)
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Classifications
-
- 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
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
-
- 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
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of brake calipers of automobiles, in particular to a brake caliper leaf spring and a brake caliper assembly. The brake caliper leaf spring comprises a leaf spring body; friction plate mounting parts are arranged on the leaf spring body; and a return drag hook is arranged in each friction plate mounting part. The brake caliper assembly comprises a brake caliper body, a piston, a support, two friction plates and a brake disc; the piston is arranged in the brake caliper body; the brake caliper body is connected with the support; the two friction plates are mounted on the support through the leaf spring body; the brake disc is arranged between the two friction plates; and after brake of an automobile is finished, the return drag hooks corresponding to the friction plates have the elastic force of which the direction is opposite to that of the clamping force of the friction plates when the friction plates clamp the brake disc. By the brake caliper leaf spring and the brake caliper assembly in the technical scheme of the invention, the inner friction plate and the outer friction plate can actively return well, so that dragging moment between the brake disc and the friction plates is reduced, oil consumption and CO2 emission of the whole automobile are reduced, and atmospheric contamination is reduced.
Description
Technical field
The present invention relates to the technical field of automotive bake caliper, be specifically related to a kind of brake caliper spring pieceAnd brake caliper assy.
Background technology
At present, regulation is to automobile fuel consumption and CO2Emission request is more and more stricter, and caliper is totalThe size that becomes to drag power directly affects its oil consumption and CO2Discharge, drag moment clamp so lowBecome the research direction of Ge great brake enterprise.
The brake caliper assy of prior art comprises support and brake disc, is connected with caliper on support, pincersIn the cylinder hole of body, be provided with piston, support is provided with spring leaf, and spring leaf is provided with friction plate, rubsThe both sides of pad are provided with projection, and the projection of friction plate is clamped in spring leaf, and friction plate is at springThe supporting lower slider of sheet, and form and coordinate with brake disc. Friction plate relies on the supporting of spring leaf slidingMoving. Skid resistance reduces when brake pad is slided, reduces and drags moment, brake caliper assyCancel the damping spring on friction plate in the past. But still there is following technology in prior artProblem: because inside and outside both sides friction plate cannot reset in time, cannot ensure system in the time of end of braking, between brake disc and friction plate, still there is contact in the gap between Moving plate and friction plate,Therefore easily produce and drag moment, make automobile fuel consumption and CO2Discharge capacity is large, thus atmosphere pollution.
Summary of the invention
The object of this invention is to provide a kind of brake caliper spring piece and brake caliper assy, existing to overcomeThe brake caliper assy that has a technology in the time of end of braking owing to still existing between brake disc and friction plateContact, easily produces and drags moment, the problem of atmosphere pollution.
To achieve these goals, the invention provides a kind of brake caliper spring piece, comprise spring leafBody, described spring leaf body is provided with friction plate installation portion, in described friction plate installation portion, establishesThere is return drag hook.
As preferred version, for return drag hook can be realized the active return of friction plate well,To ensure disc gap, described return drag hook comprises Access Division and connecting portion, described Access DivisionOne end is connected with one end of described connecting portion, and the other end of described Access Division is free end, described inThe other end of connecting portion is connected with described friction plate installation portion.
As preferred version, spacing in order better friction plate to be carried out, described connecting portion is archShape.
The invention provides a kind of brake caliper assy, comprise braking clamp body, piston, support, frictionSheet and brake disc; Described piston is located in described braking clamp body, described braking clamp body and describedFrame connects, and described friction plate is set to two, and described friction plate is installed by above-mentioned spring leafOn described support, described brake disc is located between two friction plates, after car brakeing finishes,The every corresponding return drag hook of friction plate has and this friction plate clamping brake disc opposite directionElastic force.
As preferred version, in order to make friction plate keep balance in return process, avoid frictionThe run-off the straight when return of sheet and still rubbing with brake disc, every described friction plate institute is rightThe elastic force of return drag hook of answering and the center of gravity of described friction plate are on same level line.
As preferred version, in order to be conducive to elastic force and the institute of the corresponding return drag hook of friction plateState the center of gravity of friction plate on same level line, further contribute to reduce dragging moment, instituteThe both sides of stating friction plate are connected with described support by spring leaf respectively.
As preferred version, in order further to ensure that return drag hook realizes the active return of friction plate,To ensure disc gap, the junction of described friction plate and described spring leaf is provided with projection, described inFriction plate installation portion is made as the draw-in groove matching with described projection, described projection and described draw-in groove cardConnect, described return drag hook is located in described draw-in groove; Described return drag hook comprises Access Division and connectionPortion, one end of described Access Division is connected with one end of described connecting portion, another of described Access DivisionEnd is free end, and the other end of described connecting portion is connected with described draw-in groove.
As preferred version, consider that the return drag hook of setting can be limit friction plate betterPosition, described connecting portion is arch.
As preferred version, the sealing function that can play while considering braking, simultaneously in brakingProcess in also contribute to the transmission of hydraulic coupling, between described braking clamp body and piston, be provided withRubber seal.
As preferred version, in order to contribute to braking, described braking clamp body and described support pass throughGuide finger connects.
A kind of brake caliper spring piece provided by the present invention and brake caliper assy, it has following skillArt effect: in the junction of spring leaf and friction plate, return drag hook is set, returns in the time of end of brakingPosition drag hook initiatively retracts friction plate, realizes the active return of friction plate, reduces between discContact, thus the moment that drags between brake disc and friction plate reduced. Adopt skill of the present inventionThe brake caliper assy of art scheme, the brake caliper assy that overcomes prior art easily produces in the time of end of brakingThe raw technical problem that drags moment, low by return drag hook cost is set, lower and drag moment effectFruit is good, further reduces oil consumption and the CO of car load2Discharge, has reduced atmosphere pollution.
Brief description of the drawings
Fig. 1 is the structural representation of the brake caliper spring piece of the embodiment of the present invention.
Fig. 2 is the explosive view of the brake caliper assy of the embodiment of the present invention;
In figure: 1-braking clamp body, 2-piston, 3-the first spring leaf, 4-the second spring leaf, 5-Inner attrition piece, 6-support, 7-outside friction disc, 8-the 3rd spring leaf, 9-the 4th spring leaf,10-brake disc, 31-friction plate installation portion, 32-return drag hook, 321-Access Division, 322-Connecting portion.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
As shown in Figure 1: the invention provides a kind of brake caliper spring piece, it comprises spring leaf body,Spring leaf body is provided with friction plate installation portion 31, is provided with return and draws in friction plate installation portion 31Hook 32, this return drag hook 32 for retracting original position by friction plate after end of braking.
Preferably, return drag hook 32 comprises Access Division 321 and connecting portion 322, this Access Division321 are preferably groove shape, its for friction plate clamping, one end of Access Division 321 and connecting portionOne end of 322 connects, and the other end of Access Division 321 is free end, another of connecting portion 322End is connected with friction plate installation portion 31, makes return drag hook 32 can realize well friction plateInitiatively return, to ensure disc gap. In addition, connecting portion 322 is arch, can improve returnThe intensity of drag hook 32, so that can carry out spacing to friction plate better.
As shown in Figure 2, the invention provides a kind of brake caliper assy, comprise braking clamp body 1, livePlug 2, support 6, friction plate and brake disc 10; Piston 2 is located in braking clamp body 1, brakingCaliper 1 is connected with support 6, and friction plate is set to two, and friction plate is by above-mentioned spring leafBe arranged on support 6, brake disc 10 is located between two friction plates, finishes in car brakeingAfter, the every corresponding return drag hook 32 of friction plate has and this friction plate clamping brake disc sideTo contrary elastic force, when end of braking, under the elastic force effect of return drag hook 32 by friction plateRetract, realize the active return of friction plate, reduce the contact between disc, thereby lower systemBetween Moving plate and friction plate, drag moment.
In addition the elastic force of the every corresponding return drag hook 32 of friction plate and the center of gravity of friction plate,On same level line, refer to all return drag hooks that are connected with every friction plate hereMaking a concerted effort with the center of gravity of friction plate on same level line of 32 elastic force, this is than only logicalCross elastic force carries out two friction plates return scheme from the state of braking, can make every frictionSheet keeps balance in return process, run-off the straight while avoiding the return of friction plate and with brake disc stillSo rub. Friction plate can be connected with support 6 by one or more spring leafs, preferablyGround, the both sides of friction plate are connected with support 6 by spring leaf respectively, are conducive to friction plate institute rightThe elastic force of return drag hook 32 of answering and the center of gravity of friction plate are on same level line, furtherContribute to reduce and drag moment.
Particularly, in the present embodiment, friction plate comprises inner attrition piece 5 and outside friction disc 7,Spring leaf comprises the first spring leaf 3, the second spring leaf 4, the 3rd spring leaf 8 and the 4th springSheet 9, install by the first spring leaf 3 and the second spring leaf 4 respectively the both sides of inner attrition piece 5On support 6; The both sides of outside friction disc 7 are respectively by the 3rd spring leaf 8 and the 4th spring leaf 9On mounting bracket 6. In the present embodiment, inner attrition piece 5 and the first spring leaf 3 and the second bulletThe syndeton of reed 4 and outside friction disc 7 and the 3rd spring leaf 8 and the 4th spring leaf 9Syndeton identical, the present embodiment is taking inner attrition piece 5 and the first spring leaf 3 as example, concreteGround, shown in Fig. 1, the junction of friction plate 5 and the first spring leaf 3 is provided with projection, rubsPad installation portion 31 is made as the draw-in groove matching with projection, projection and draw-in groove clamping, and return drawsHook 32 is located in draw-in groove; Return drag hook 32 comprises Access Division 321 and connecting portion 322, clampingPortion 321 is preferably groove shape, and the projection of friction plate is connected on Access Division 321, and return draws thusHook 32 plays supporting role upwards to friction plate, one end of Access Division 321 and connecting portion 322One end connect, the other end of Access Division 321 is free end, the other end of connecting portion 322 withDraw-in groove connects, and further ensures that return drag hook realizes the active return of friction plate, to ensure discGap. Particularly, connecting portion 322 is arch, further makes return drag hook 32 energy betterGround carries out spacing to inner attrition piece 5. Due to inner attrition piece 5 and the second spring leaf 4, external frictionThe assembly structure of sheet 7 and the 3rd spring leaf 8, the 4th spring leaf 9 is with inner attrition piece 5 and firstSpring leaf 3 is consistent, just repeats no more at this.
In addition, between braking clamp body 1 and piston 2, be also provided with rubber seal. Rubber sealCan there is deformation in circle, and the sealing function that can play, and meanwhile, rubber seal is in brakingProcess in also contribute to the transmission of hydraulic coupling. In addition, braking clamp body 1 and support 6 are by leadingConnect to pin, to help braking. In order further to make 7 of inner attrition piece 5, outside friction discsTo better braking effect, a side and the piston 2 of inner attrition piece 5 are pressed close to, opposite side and brakingDish 10 is pressed close to; The claw laminating arranging on one side of outside friction disc 7 and braking clamp body 1, anotherOne side and brake disc 10 are pressed close to, and what deserves to be explained is, claw adopts existing routine techniques. ThisConsider the first spring leaf 3, the second spring leaf 4, the 3rd spring leaf 8 and the 4th spring outward,Sheet 9 entirety have enough intensity, the first spring leaf 3, the second spring leaf 4, the 3rd spring leaf8 and the 4th spring leaf 9 can all adopt stainless steel spring sheet.
When vehicle operating, brake disc 10 is followed wheel and is rotated together, and when braking, pin is stepped on brakingThe hydraulic coupling that pedal forms enters the cylinder hole of braking clamp body 1, and rubber seal deforms, withTime, because promoting piston 2, the effect of hydraulic coupling travels forward, and extruding inner attrition piece 5 is adjacent to and revolvesThe brake disc 10 turning, the in the situation that of reaction force, braking clamp body 1 oppositely moves, clawDrive outside friction disc 7 is adjacent to the opposite side of brake disc 10, in interior outside friction disc 5 and external frictionUnder the thrust of sheet 7 and frictional force effect, brake disc 10 stops operating, thereby realizes brakingFunction. After end of braking, while loosening the brake, the rubber arranging in braking clamp body 1Sealed ring deformation needs to recover, and piston 2 is retracted to certain distance, utilizes brake disc 10 simultaneouslyEnd face run-out, inner attrition piece 5 and outside friction disc 7 are got rid of back to certain distance, simultaneously the first bulletThe return drag hook 32 of reed 3 and the second spring leaf 4 under elastic force effect further by interior frictionSheet 5 retracts, and the return drag hook of the 3rd spring leaf 8 and the 4th spring leaf 9 is under the effect of elastic forceFurther outside friction disc 7 is retracted, so that ensure brake disc 10 and inner attrition piece 5, outerThe gap of friction plate 7 maximizes, and reduces brake disc 10 and inner attrition piece 5, outside friction disc 7Contact, thereby reach the effect that reduces the power that drags.
The brake caliper spring piece and the brake caliper assy that adopt technical solution of the present invention, draw by returnHook 32 acts on inner attrition piece 5, and the elastic force of return drag hook 32 and every inner attrition piece 5Center of gravity is on same level line, and in the time of end of braking, return drag hook 32 is initiatively by interior frictionSheet 5, outside friction disc 7 retract, and can realize well the master of inner attrition piece 5 and outside friction disc 7Moving return, to ensure the gap of brake disc 10 and inner attrition piece 5, outside friction disc 7, has reducedContact between inner attrition piece 5 and outside friction disc 7, thus brake disc and friction plate reducedBetween drag moment, and then reduce oil consumption and the CO of car load2Discharge, has reduced atmosphere pollution.
The above is only the preferred embodiment of the present invention, it should be pointed out that for this technology and leadsThe those of ordinary skill in territory, not departing under the prerequisite of the technology of the present invention principle, all rightMake some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (10)
1. a brake caliper spring piece, is characterized in that, comprises spring leaf body, described bulletReed body is provided with friction plate installation portion, in described friction plate installation portion, is provided with return drag hook.
2. brake caliper spring piece according to claim 1, is characterized in that, described timePosition drag hook comprises Access Division and connecting portion, one end of described Access Division and one end of described connecting portionConnect, the other end of described Access Division is free end, the other end of described connecting portion with described in rubPad installation portion connects.
3. brake caliper spring piece according to claim 2, is characterized in that: described companyThe portion of connecing is arch.
4. a brake caliper assy, comprises braking clamp body, piston, support, friction plate and systemMoving plate; Described piston is located in described braking clamp body, and described braking clamp body is connected with described support,Described friction plate is set to two, it is characterized in that: described friction plate passes through as claim 1Described spring leaf is arranged on described support, and described brake disc is located between two friction plates,After car brakeing finishes, the every corresponding return drag hook of friction plate has and this friction plate folderThe elastic force of tight brake disc opposite direction.
5. brake caliper assy according to claim 4, is characterized in that: described in everyThe elastic force of the corresponding return drag hook of friction plate and the center of gravity of described friction plate are in same levelOn line.
6. brake caliper assy as claimed in claim 5, is characterized in that, described friction plateBoth sides be connected with described support by spring leaf respectively.
7. according to the brake caliper assy described in claim 4-6 any one, it is characterized in that:The junction of described friction plate and described spring leaf is provided with projection, and described friction plate installation portion is made asWith the draw-in groove that described projection matches, described projection and described draw-in groove clamping, described return drag hookBe located in described draw-in groove;
Described return drag hook comprises Access Division and connecting portion, one end of described Access Division and described companyThe one end that meets portion connects, and the other end of described Access Division is free end, another of described connecting portionEnd is connected with described draw-in groove.
8. brake caliper assy according to claim 7, is characterized in that: described connectionPortion is arch.
9. according to the brake caliper assy described in claim 4-6 any one, it is characterized in that:Between described braking clamp body and piston, be provided with rubber seal.
10. according to the brake caliper assy described in claim 4-6 any one, it is characterized in that:Described braking clamp body is connected by guide finger with described support.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159978.1A CN105587803A (en) | 2016-03-21 | 2016-03-21 | Brake caliper leaf spring and brake caliper assembly |
| PCT/CN2017/077057 WO2017162104A1 (en) | 2016-03-21 | 2017-03-17 | Brake caliper spring piece and brake caliper assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159978.1A CN105587803A (en) | 2016-03-21 | 2016-03-21 | Brake caliper leaf spring and brake caliper assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105587803A true CN105587803A (en) | 2016-05-18 |
Family
ID=55927616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610159978.1A Pending CN105587803A (en) | 2016-03-21 | 2016-03-21 | Brake caliper leaf spring and brake caliper assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105587803A (en) |
| WO (1) | WO2017162104A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763326A (en) * | 2016-12-06 | 2017-05-31 | 南方天合底盘***有限公司 | Caliper spring leaf and its brake caliper assy |
| WO2017162104A1 (en) * | 2016-03-21 | 2017-09-28 | 广州汽车集团股份有限公司 | Brake caliper spring piece and brake caliper assembly |
| CN107269740A (en) * | 2017-07-28 | 2017-10-20 | 万向钱潮（上海）汽车***有限公司 | It is a kind of to make the spring sheet devices of friction plate active return |
| CN109253189A (en) * | 2018-11-28 | 2019-01-22 | 万向钱潮（上海）汽车***有限公司 | A kind of novel clamp wrench structure |
| CN114165540A (en) * | 2020-09-10 | 2022-03-11 | 比亚迪股份有限公司 | Low-drag brake device and vehicle |
| CN114941669A (en) * | 2022-04-24 | 2022-08-26 | 芜湖伯特利汽车安全***股份有限公司 | Method and structure for reducing drag torque of brake caliper assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108799366A (en) * | 2018-08-29 | 2018-11-13 | 莱州虎威机械科技有限公司 | A kind of braking clamp |
| CN109027070B (en) * | 2018-09-10 | 2023-08-29 | 浙江零跑科技股份有限公司 | Electromagnetic drag torque reducing device for new energy vehicle |
| CN109404448B (en) * | 2018-12-14 | 2023-12-22 | 温州市东启汽车零部件制造有限公司 | Double-clearance-adjusting brake caliper with parking mechanism |
| CN110030302B (en) * | 2019-03-26 | 2023-07-14 | 青岛华瑞汽车零部件股份有限公司 | Clamp spring capable of reducing dragging force of automobile hydraulic disc brake and mounting structure thereof |
| CN110043582A (en) * | 2019-04-19 | 2019-07-23 | 浙江万向***有限公司 | A kind of friction plate noise reduction and active return structure |
| CN110907083B (en) * | 2019-12-20 | 2024-07-05 | 万向钱潮（上海）汽车***有限公司 | Device and method for measuring spring force of spring piece |
| CN113280968B (en) * | 2021-05-08 | 2022-05-10 | 安徽江淮汽车集团股份有限公司 | Vehicle friction plate dragging torque test method, distribution diagram test method and device |
| CN115419665A (en) * | 2022-08-31 | 2022-12-02 | 南方天合底盘***有限公司 | Low-drag low-noise opposed brake caliper assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017162104A1 (en) * | 2016-03-21 | 2017-09-28 | 广州汽车集团股份有限公司 | Brake caliper spring piece and brake caliper assembly |
| CN106763326A (en) * | 2016-12-06 | 2017-05-31 | 南方天合底盘***有限公司 | Caliper spring leaf and its brake caliper assy |
| CN107269740A (en) * | 2017-07-28 | 2017-10-20 | 万向钱潮（上海）汽车***有限公司 | It is a kind of to make the spring sheet devices of friction plate active return |
| CN109253189A (en) * | 2018-11-28 | 2019-01-22 | 万向钱潮（上海）汽车***有限公司 | A kind of novel clamp wrench structure |
| CN109253189B (en) * | 2018-11-28 | 2024-04-26 | 万向钱潮（上海）汽车***有限公司 | Caliper structure |
| CN114165540A (en) * | 2020-09-10 | 2022-03-11 | 比亚迪股份有限公司 | Low-drag brake device and vehicle |
| CN114165540B (en) * | 2020-09-10 | 2023-05-05 | 比亚迪股份有限公司 | Low-drag braking device and vehicle |
| CN114941669A (en) * | 2022-04-24 | 2022-08-26 | 芜湖伯特利汽车安全***股份有限公司 | Method and structure for reducing drag torque of brake caliper assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017162104A1 (en) | 2017-09-28 |
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Application publication date: 20160518 |
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| RJ01 | Rejection of invention patent application after publication |