CN107401566A - Clearance self-regulating return brake device and its calipers assembly - Google Patents
Clearance self-regulating return brake device and its calipers assembly Download PDFInfo
- Publication number
- CN107401566A CN107401566A CN201710336500.6A CN201710336500A CN107401566A CN 107401566 A CN107401566 A CN 107401566A CN 201710336500 A CN201710336500 A CN 201710336500A CN 107401566 A CN107401566 A CN 107401566A
- Authority
- CN
- China
- Prior art keywords
- guide rod
- piston
- clearance self
- regulating
- cylinder body
- 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.)
- Pending
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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
- F16D65/38—Slack adjusters
- F16D65/72—Slack adjusters hydraulic
- F16D65/74—Slack adjusters hydraulic self-acting in one direction
-
- 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
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of clearance self-regulating return calipers assembly, including caliper, caliper is provided with two pieces of brake lining, and caliper is provided with brake fluid cylinder pressure；Brake fluid cylinder pressure includes the cylinder body being fixedly mounted on caliper, is slidably matched in cylinder body with it provided with piston, and clearance self-regulating return mechanism is provided between cylinder body and piston；Clearance self-regulating return mechanism includes the guide rod for being fixedly mounted on cylinder center, piston, which is slidably matched, to be sleeved on guide rod, set is equiped with limit base on guide rod, it is provided with adjustment gap between limit base and piston, and limit base is provided with suit compression spring on the guide bar, towards being provided with position limiting structure between the side of brake lining and piston between the side of brake lining and piston；Also set is equiped with the clearance self-regulating part with the spacing cooperation of limit base on guide rod, and compression spring is located at the both sides of limit base with clearance self-regulating part respectively.The invention also discloses a kind of clearance self-regulating return brake device.
Description
Technical field
It is specifically total for a kind of clearance self-regulating return brake device and its clamp the invention belongs to automotive brake technical field
Into.
Background technology
The forward and backward brake of current automobile configures disc caliper structure, and traditional clamp are between cylinder body and piston
Fill one and act the rubber seal resetted with clearance self-regulating.Sealing ring in the presence of piston friction power with producing during braking
Change shape, and in the presence of limit brake force, sealed ring deformation amount is equal to the piston return amount of setting.After releasing braking, piston
Retracted under the elastic force effect of rubber parts and release braking.This conventional structure is old due to the screen resilience by rubber parts and rubber
The influence of the factors such as change, so as to influence piston return, and cause brake disc generation to be dragged and rub.
The content of the invention
In view of this, it is an object of the invention to provide a kind of clearance self-regulating return brake device and its calipers assembly, have
The advantages that rebound velocity is fast, return amount is stably and controllable and return effect is good, and better reliability.
To reach above-mentioned purpose, the present invention provides following technical scheme：
Present invention firstly provides a kind of clearance self-regulating return calipers assembly, including caliper, the caliper is provided with two pieces of brakings
Liner, the caliper, which is provided with, to be used to drive brake fluid cylinder pressure of two pieces of brake lining towards or away from motion；
The brake fluid cylinder pressure includes the cylinder body being fixedly mounted on the caliper, is slidably matched in the cylinder body with it provided with work
Plug, the piston is fixedly connected with the corresponding brake lining, and clearance self-regulating return is provided between the cylinder body and piston
Mechanism；
The clearance self-regulating return mechanism includes the guide rod for being fixedly mounted on the cylinder center, the piston sliding fiting sleeve
On the guide rod, set is equiped with limit base on the guide rod, and adjustment is provided between the limit base and the piston
Gap, and the limit base is provided between the side of the brake lining and the piston and is sleeved on the guide rod
Compression spring, towards being provided with position limiting structure between the side of the brake lining and the piston；Also it is set with the guide rod
Provided with the clearance self-regulating part with the spacing cooperation of the limit base, the stiction between the clearance self-regulating part and the guide rod
More than the maximal work pressure of the compression spring, the compression spring is located at the limit base respectively with the clearance self-regulating part
Both sides.
Further, the piston is provided with the guide rod coaxial and opening towards the corresponding brake lining opening
Oral cavity.
Further, the position-limit mechanism includes the annular groove being arranged on the opening cavity wall, is set in the annular groove
There is hole back-up ring, and extended radially outwardly on the limit base provided with the postive stop baffle coordinated with the hole retainer ring spacing.
Further, the clearance self-regulating part is arranged on the Rectangular Spring on the guide rod using suit.
Further, one end of the guide rod is stretched out outside the cylinder body, and the guide rod stretches out the one of the cylinder body
End end face is provided with oil inlet, and the side wall of the guide rod is provided with oil outlet, and the oil outlet is located at the cylinder body and work
Between plug.
Further, between the piston and the guide rod, between the cylinder body and the piston and the cylinder body with
Sealing structure is respectively equipped between the guide rod.
Further, one end periphery wall that the guide rod is stretched out outside the cylinder body is provided with external screw thread, on the external screw thread
Provided with the nut coordinated with its screw thread.
The invention also provides a kind of clearance self-regulating return brake device, including brake support frame, on the brake support frame
Fixed installation is provided with clearance self-regulating return calipers assembly as described above.
The beneficial effects of the present invention are：
The clearance self-regulating return calipers assembly of the present invention, by setting clearance self-regulating return mechanism, its principle is as follows：Work as brake fluid
When cylinder pressure hydraulic pressure raises, piston is moved out and compression pressure spring, position limiting structure and clearance self-regulating part it is spacing under disappear
Except the adjustment gap set between limit base and piston, if because of brake pad wear size be thinned, piston, limit base and
Gap self-regulated part overcomes stiction of the gap between condition and guide rod and relative under the action of hydraulic force of brake fluid cylinder pressure
Slid in guide rod, and compensate the wear extent of brake lining, to realize clearance self-regulating；When brake fluid cylinder pressure hydraulic pressure declines,
Make piston return under the active force of compression spring, return amount is the adjustment gap set；In this way, the clearance self-regulating return of the present invention
Brake not only has the advantages that rebound velocity is fast, return amount is stably and controllable and return effect is good, and better reliability.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the structural representation of clearance self-regulating return calipers assembly embodiment of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
The clearance self-regulating return brake device of the present embodiment, including brake support frame, it is fixedly mounted on brake support frame and is provided with
Clearance self-regulating return calipers assembly.As shown in figure 1, the clearance self-regulating return calipers assembly of the present embodiment, including caliper 1, caliper 1
Two pieces of brake lining 2 are provided with, caliper 1, which is provided with, to be used to drive brake fluid pressure of two pieces of brake lining 2 towards or away from motion
Cylinder.The brake fluid cylinder pressure of the present embodiment includes the cylinder body 3 being fixedly mounted on caliper 1, is slidably matched in cylinder body 3 with it provided with work
Plug 4, piston 4 is fixedly connected with corresponding brake lining 2, and clearance self-regulating return mechanism is provided between cylinder body 3 and piston 4.This
One of brake lining 2 of embodiment is fixedly mounted on caliper 1, is installed in another piece of brake lining 2 and is provided with brake fluid pressure
Cylinder.
The clearance self-regulating return mechanism of the present embodiment includes the guide rod 5 for being fixedly mounted on the center of cylinder body 3, and piston 4 slides
Engagement sleeves are on guide rod 5, and set is equiped with limit base 6 on guide rod 5, and adjustment gap 7 is provided between limit base 6 and piston 4,
And limit base 6 is provided between the side of brake lining 2 and piston 4 and is sleeved on compression spring 8 on guide rod 5, towards system
Position limiting structure is provided between the side of dynamic liner 2 and piston 4.Also set is equiped between 6 spacing cooperation of limit base on guide rod 5
Gap self-regulated part 9, the stiction between clearance self-regulating part 9 and guide rod 5 are more than the maximal work pressure of compression spring 8, pressure
Spring 8 is located at the both sides of limit base 6 with clearance self-regulating part 9 respectively.The clearance self-regulating part 9 of the present embodiment is arranged on using suit and led
To the Rectangular Spring on bar.
Further, piston 4 is provided with atrium 10 that is coaxial with guide rod 5 and being open towards corresponding brake lining 2.This
The position-limit mechanism of embodiment includes the annular groove being arranged on the inwall of atrium 10, hole back-up ring 11 is provided with annular groove, and limit
Extended radially outwardly on the seat 7 of position provided with the postive stop baffle 12 with the 11 spacing cooperation of hole back-up ring, limit base 7 so can be achieved
Axial limiting.Certainly, position limiting structure can also use other various structures well known by persons skilled in the art to realize, its principle phase
When being not repeated.
Further, guide rod 5 one end stretch out cylinder body outside, and guide rod 5 stretch out cylinder body one end end face be provided with into
Hydraulic fluid port 13, and the side wall of guide rod 5 is provided with oil outlet 14, oil outlet 14 is between cylinder body 3 and piston 4.The present embodiment
Sealing structure is respectively equipped between piston 4 and guide rod 5, between cylinder body 3 and piston 4 and between cylinder body 4 and guide rod 5.Tool
Body, the sealing structure between piston 4 and guide rod 5 can use y-type seal ring or O-ring seal, between cylinder body 3 and piston 4
Sealing structure can use y-type seal ring or rectangular seal.Specifically, set on one end periphery wall that guide rod 5 is stretched out outside cylinder body
There is external screw thread, external screw thread is provided with the nut 15 coordinated with its screw thread.
The clearance self-regulating return calipers assembly of the present embodiment, by setting clearance self-regulating return mechanism, its principle is as follows：When
When brake fluid cylinder pressure hydraulic pressure raises, piston is set to move out simultaneously compression pressure spring, in the limit of position limiting structure and clearance self-regulating part
Position is lower to eliminate the adjustment gap set between limit base and piston, piston, spacing if size is thinned because of brake pad wear
Seat and clearance self-regulating part overcome stiction of the gap between condition and guide rod under the action of hydraulic force of brake fluid cylinder pressure
And slid relative to guide rod, and the wear extent of brake lining is compensated, to realize clearance self-regulating；When brake fluid cylinder pressure hydraulic pressure declines
When, piston return is made under the active force of compression spring, return amount is the adjustment gap set；In this way, the gap of the present embodiment
Self-regulated return brake device not only has the advantages that rebound velocity is fast, return amount is stably and controllable and return effect is good, and reliability
More preferably.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (8)
1. a kind of clearance self-regulating return calipers assembly, including caliper, the caliper is provided with two pieces of brake lining, and its feature exists
In：The caliper, which is provided with, to be used to drive brake fluid cylinder pressure of two pieces of brake lining towards or away from motion；
The brake fluid cylinder pressure includes the cylinder body being fixedly mounted on the caliper, is slidably matched in the cylinder body with it provided with work
Plug, the piston is fixedly connected with the corresponding brake lining, and clearance self-regulating return is provided between the cylinder body and piston
Mechanism；
The clearance self-regulating return mechanism includes the guide rod for being fixedly mounted on the cylinder center, the piston sliding fiting sleeve
On the guide rod, set is equiped with limit base on the guide rod, and adjustment is provided between the limit base and the piston
Gap, and the limit base is provided between the side of the brake lining and the piston and is sleeved on the guide rod
Compression spring, towards being provided with position limiting structure between the side of the brake lining and the piston；Also it is set with the guide rod
Provided with the clearance self-regulating part with the spacing cooperation of the limit base, the stiction between the clearance self-regulating part and the guide rod
More than the maximal work pressure of the compression spring, the compression spring is located at the limit base respectively with the clearance self-regulating part
Both sides.
2. clearance self-regulating return calipers assembly according to claim 1, it is characterised in that：The piston be provided with it is described
Guide rod is coaxial and towards the atrium of the corresponding brake lining opening.
3. clearance self-regulating return calipers assembly according to claim 2, it is characterised in that：The position-limit mechanism includes setting
Annular groove on the opening cavity wall, the annular groove is interior to be provided with hole back-up ring, and radially outward prolongs on the limit base
Stretch provided with the postive stop baffle coordinated with the hole retainer ring spacing.
4. clearance self-regulating return calipers assembly according to claim 1, it is characterised in that：The clearance self-regulating part is using set
Dress is arranged on the Rectangular Spring on the guide rod.
5. the clearance self-regulating return calipers assembly according to claim any one of 1-4, it is characterised in that：The guide rod
One end is stretched out outside the cylinder body, and the guide rod stretches out one end end face of the cylinder body and is provided with oil inlet, and described leads
Oil outlet is provided with to the side wall of bar, the oil outlet is between the cylinder body and piston.
6. clearance self-regulating return calipers assembly according to claim 5, it is characterised in that：The piston and the guide rod
Between, be respectively equipped with sealing structure between the cylinder body and the piston and between the cylinder body and the guide rod.
7. clearance self-regulating return calipers assembly according to claim 5, it is characterised in that：The guide rod stretches out the cylinder
External one end periphery wall is provided with external screw thread, and the external screw thread is provided with the nut coordinated with its screw thread.
A kind of 8. clearance self-regulating return brake device, it is characterised in that：Including brake support frame, fixed peace on the brake support frame
Installing is just like the clearance self-regulating return calipers assembly described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336500.6A CN107401566A (en) | 2017-05-13 | 2017-05-13 | Clearance self-regulating return brake device and its calipers assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336500.6A CN107401566A (en) | 2017-05-13 | 2017-05-13 | Clearance self-regulating return brake device and its calipers assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107401566A true CN107401566A (en) | 2017-11-28 |
Family
ID=60404365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710336500.6A Pending CN107401566A (en) | 2017-05-13 | 2017-05-13 | Clearance self-regulating return brake device and its calipers assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107401566A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692243A (en) * | 2020-06-24 | 2020-09-22 | 徐州徐工矿业机械有限公司 | Multi-piston wet brake of electric drive mining dump truck |
| CN114110047A (en) * | 2020-08-31 | 2022-03-01 | 比亚迪股份有限公司 | Return lever type brake caliper and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130186716A1 (en) * | 2012-01-25 | 2013-07-25 | Mando Corporation | Disk brake |
| US20140020990A1 (en) * | 2012-07-20 | 2014-01-23 | Mando Corporation | Caliper brake |
| CN103821856A (en) * | 2014-02-28 | 2014-05-28 | 青岛华瑞汽车零部件股份有限公司 | Quantitative return disc brake for electric car |
| CN104196933A (en) * | 2014-07-24 | 2014-12-10 | 浙江诸暨万宝机械有限公司 | Brake caliper assembly |
| CN206802155U (en) * | 2017-05-13 | 2017-12-26 | 浙江诸暨万宝机械有限公司 | Clearance self-regulating return brake device and its calipers assembly |
-
2017
- 2017-05-13 CN CN201710336500.6A patent/CN107401566A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130186716A1 (en) * | 2012-01-25 | 2013-07-25 | Mando Corporation | Disk brake |
| US20140020990A1 (en) * | 2012-07-20 | 2014-01-23 | Mando Corporation | Caliper brake |
| CN103821856A (en) * | 2014-02-28 | 2014-05-28 | 青岛华瑞汽车零部件股份有限公司 | Quantitative return disc brake for electric car |
| CN104196933A (en) * | 2014-07-24 | 2014-12-10 | 浙江诸暨万宝机械有限公司 | Brake caliper assembly |
| CN206802155U (en) * | 2017-05-13 | 2017-12-26 | 浙江诸暨万宝机械有限公司 | Clearance self-regulating return brake device and its calipers assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692243A (en) * | 2020-06-24 | 2020-09-22 | 徐州徐工矿业机械有限公司 | Multi-piston wet brake of electric drive mining dump truck |
| CN111692243B (en) * | 2020-06-24 | 2021-12-21 | 徐州徐工矿业机械有限公司 | Multi-piston wet brake of electric drive mining dump truck |
| CN114110047A (en) * | 2020-08-31 | 2022-03-01 | 比亚迪股份有限公司 | Return lever type brake caliper and vehicle |
| CN114110047B (en) * | 2020-08-31 | 2023-05-05 | 比亚迪股份有限公司 | Return lever type brake caliper and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 311835 Industrial Zone of Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Zhejiang Wanan Zhiyu Automobile Control System Co.,Ltd. Address before: 311835 Industrial Zone of Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant before: ZHEJIANG ZHUJI MANPOWER MACHINERY CO.,LTD. |
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| CB02 | Change of applicant information |