CN106402211A - Brake caliper having hydraulic parking function - Google Patents
Brake caliper having hydraulic parking function Download PDFInfo
- Publication number
- CN106402211A CN106402211A CN201610400700.9A CN201610400700A CN106402211A CN 106402211 A CN106402211 A CN 106402211A CN 201610400700 A CN201610400700 A CN 201610400700A CN 106402211 A CN106402211 A CN 106402211A
- Authority
- CN
- China
- Prior art keywords
- parking
- piston
- chamber
- push rod
- caliper
- 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
Links
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims description 15
- 230000002082 anti-convulsion Effects 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake caliper having a hydraulic parking function. The brake caliper comprises a brake caliper body, a sealing ring, a parking piston, a parking push rod, a reset compression spring, a parking ejector rod, a driving piston and a brake block, wherein the driving piston has contact with the brake block; a driving brake chamber, a parking brake chamber and a parking release chamber are arranged in the brake caliper body; the parking piston is used for isolating the parking brake chamber from the parking release chamber; the parking push rod is movably arranged at the upper end opening of the parking brake chamber; a self-locking oblique wedge surface is arranged between one end of the parking push rod and the parking piston; the driving piston is arranged at the lower end opening of the driving brake chamber; the other end of the parking push rod is connected one end of the parking ejector rod by passing through the reset compression spring; a conical surface of the other end of the parking ejector rod has contact with the contact surface of the driving piston; a driving brake oil inlet is formed in the wall of the driving brake chamber; a parking brake oil inlet is formed in the wall of the parking brake chamber; a parking release oil inlet is formed in the wall of the parking release chamber. The brake caliper disclosed by the invention can be conveniently arranged in an overall automobile and is low in product cost.
Description
Technical field
The present invention relates to the parking braking system in motor vehicles, specifically a kind of caliper with hydraulic pressure parking function.
Background technology
The parking brake caliper of prior art, mainly has two ways：The first is to be stayed as the band of input media with drag-line
The caliper of car function, refers to patent No. CN03252989 and CN200620069768；Second is as power, electricity consumption by electricity
Machine drive deceleration mechanism realizes the caliper of parking function, refers to patent No. CN201010551103.The first has drag-line whole
The shortcoming of difficult arrangement in car, and second, have the shortcomings that product cost is higher.
Content of the invention
In view of above-mentioned defect of the prior art, it is an object of the invention to provide one kind arranges convenient, product in car load
The lower-cost caliper with hydraulic pressure parking function.
Adopt the following technical scheme that to realize the purpose of the invention described above：A kind of braking with hydraulic pressure parking function
Pincers, including braking clamp body, sealing ring, parking piston, parking push rod, return compression spring, parking strut, driving piston and braking
Block, driving piston is contacted with brake block, is provided with service brake cavity, parking braking chamber and parking release in described braking clamp body
Chamber, described parking piston, by parking braking chamber and parking release chamber isolation, makes the two ends of parking piston be respectively parking braking chamber
Discharge chamber with parking；The upper port of described service brake cavity actively arranges parking push rod, is lived with parking in one end of parking push rod
It is provided with self-locking cammed surface, service brake cavity is isolated by parking push rod with parking braking chamber and parking release chamber, OK between plug
The lower port setting driving piston of car brake chamber, thus constitute service brake by braking clamp body, parking push rod and driving piston
Chamber；The other end of described parking push rod is connected through return compression spring with one end of parking strut, the parking strut other end
The conical surface and the taper-face contact of driving piston；Described service brake cavity, parking braking chamber and parking discharge and are respectively provided with the wall in chamber
There are service brake fuel feed hole, parking braking fuel feed hole and parking release fuel feed hole.
On the basis of above structure, described return compression spring is arranged on spring base, and spring base is fixed on driving system
On the inwall in dynamic chamber.
In order to preferably be easy to the activity of parking push rod, it is provided with spacer at the upper port of described service brake cavity, parking pushes away
One end of bar is contacted through spacer with self-locking cammed surface.
In order to be reliably achieved gap adjust automatically, between described parking strut and driving piston, compression spring is set
And thrust bearing.Compression spring selects wavy spring or helical spring.
In order that the connection between parking piston and parking push rod is more firm, in self-locking cammed surface position, described stay
The outer wall of car piston is axially arranged anti-rotation groove, and the top of parking push rod is provided with anti-convulsion, and anti-convulsion is loosely inserted into anti-rotation
In groove.Also can there is anti-convulsion the outer wall of parking piston is axially arranged, the top of parking push rod is provided with anti-rotation groove in turn.
Described parking push rod is connected for gap with parking strut, and parking push rod is connected by multiple thread with parking strut.
Described parking push rod is set to external screw thread, and parking strut is set to female thread, or in described parking push rod is set to
Screw thread, parking strut is set to external screw thread.
Described braking clamp body is a part, or is combined by two parts or plural part.
Because the present invention has above structure, so the present invention can make it arrange that in car load convenient, product cost is low.
Brief description
Fig. 1 is the schematic diagram of parking release conditions of the present invention；
Fig. 2 is the generalized section along axle center；
Fig. 3 implements the schematic diagram of parked state for the present invention；
In figure：1- brake block；2- brake disc；3- driving piston；4- service brake cavity sealing ring I；5- parking strut；6- driving system
Dynamic chamber；7- return compression spring；8- parking braking chamber；9- parking braking fuel feed hole；10- parking braking chamber sealing ring；11- parking
Piston；12- self-locking cammed surface；13- parking release chamber sealing ring；14- parking discharges chamber；15- parking discharges fuel feed hole；16- system
Moving caliper；17- service brake cavity sealing ring II；18- spacer；19- return compression spring；20- service brake fuel feed hole；21- bullet
Spring abutment；22- parking push rod；23- compression spring；24- thrust bearing；25- service brake cavity sealing ring III；26- anti-rotation groove；27-
Anti- convulsion.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in further detail：
Referring to accompanying drawing 1,2 and 3, the band hydraulic pressure parking function caliper in accompanying drawing, including service brake cavity 6, parking braking chamber 8,
Parking release chamber 14, sealing ring（4、10、13、17、25）, braking clamp body 16, parking piston 11, self-locking cammed surface 12, parking push away
Bar 22, return compression spring 19, parking strut 5, driving piston 3, brake block 2；It is provided with driving system in described braking clamp body 16
Dynamic chamber 6, parking braking chamber 8 and parking release chamber 14, described parking piston 11 by parking braking chamber 8 and parking release chamber 14 every
From, make parking piston 11 two ends be respectively parking braking chamber 8 and parking release chamber 14；The upper port of described service brake cavity 6
Actively parking push rod 22 is set, is provided with self-locking cammed surface 12 between one end of parking push rod 22 and parking piston 11, will go
Car brake chamber 6 is isolated with parking braking chamber 8 and parking release chamber 14, the lower port setting driving piston 3 of service brake cavity 6；
The other end of described parking push rod 22 is connected through return compression spring 19 with one end of parking strut 5, parking strut 5 other end
The conical surface with driving piston 3 taper-face contact；Described service brake cavity 6, parking braking chamber 8 and parking discharge and divide on the wall in chamber 14
It is not provided with service brake fuel feed hole 20, parking braking fuel feed hole 9 and parking release fuel feed hole 15.Described return compression spring 19
It is arranged on spring base 21, spring base 21 is fixed on the inwall of service brake cavity 6.In order that service brake cavity 6, parking braking
Chamber 8 and parking release chamber 14 have better seal effect, and the present invention is provided with service brake cavity sealing ring I4, service brake cavity
Sealing ring II, service brake cavity sealing ring III 25, parking braking chamber sealing ring 10 and parking release chamber sealing ring 13.
It is provided with spacer 18, one end of parking push rod 22 passes through spacer 18 and oneself at the upper port of described service brake cavity 6
Lock cammed surface 12 contacts.
As Fig. 2, in self-locking cammed surface 12, the outer wall of described parking piston 11 is axially arranged anti-rotation groove 26, and parking pushes away
The top of bar 22 is provided with anti-convulsion 27, and anti-convulsion 27 is loosely inserted in anti-rotation groove 26, also can in turn, in parking piston 11
Outer wall axially arranged have anti-convulsion 27, the top of parking push rod 22 is provided with anti-rotation groove 26.
Braking clamp body 16 can be a part, be machined with service brake cavity 6, parking braking chamber 8, parking release chamber 14,
Can be combined by two or more.
Described parking push rod 22 is connected by multiple thread with parking strut 5.It is illustrated as parking push rod 22 and be set to outer spiral shell
Stricture of vagina, parking strut 5 is female thread, also in turn parking push rod 22 can be set to female thread, and parking strut 5 is external screw thread.
Compression spring 23 and thrust bearing 24, compression spring 23 can be provided between parking strut 5 and driving piston 3
Can be that wavy spring may also be helical spring.
In the present invention, when vehicle needs parking, hydraulic oil is input to parking by parking braking fuel feed hole 9 by vehicle
Brake chamber 8, is promoted parking piston 11 to move forward, and will be stayed by the self-locking cammed surface 12 of parking piston 11 and parking push rod 22
The horizontal rectilinear motion of car piston 11, is transformed into the vertical linear motion of parking push rod 22, promotes parking top by parking push rod 22
Bar 5, promoting driving piston 3 by parking strut 5, thus promoting brake block 1 to clamp brake disc 2, realizing parking function, due to certainly
The angle of lock cammed surface 12 is less than Self-locking angle, after hydraulic pressure removes, remains to keep parked state.When vehicle needs to discharge parking
When, hydraulic oil is discharged fuel feed hole 15 by parking and is input to parking release chamber 14 by vehicle, promotes parking piston 11 to be moved rearwards by,
Parking piston 11 is separated with the self-locking cammed surface 12 of parking push rod 22, return compression spring 19 by parking push rod 22 fight back, thus
Realize parking release function.During service brake, hydraulic oil is input to service brake cavity by service brake fuel feed hole 20 by vehicle
6, promoting driving piston 3, thus promoting brake block 1 to clamp brake disc 2, realizing running braking function.
In sum, above structure makes it arrange that in car load convenient, product cost is relatively low.
Claims (9)
1. a kind of caliper with hydraulic pressure parking function, including braking clamp body（16）, sealing ring, parking piston（11）, parking pushes away
Bar（22）, return compression spring（19）, parking strut（5）, driving piston（3）And brake block（1）, piston of driving a vehicle（3）With braking
Block（1）Contact it is characterised in that：Described braking clamp body（16）In be provided with service brake cavity（6）, parking braking chamber（8）With stay
Car discharges chamber（14）, described parking piston（11）By parking braking chamber（8）Discharge chamber with parking（14）Isolation, makes parking piston
（11）Two ends be respectively parking braking chamber（8）Discharge chamber with parking（14）；Described service brake cavity（6）Upper port actively
Setting parking push rod（22）, parking push rod（22）One end and parking piston（11）Between be provided with self-locking cammed surface（12）, stay
Car push rod（22）By service brake cavity（6）With parking braking chamber（8）, and parking release chamber（14）Isolation, service brake cavity（6）
Lower port setting driving piston（3）；Described parking push rod（22）The other end pass through return compression spring（19）With parking top
Bar（5）One end connect, parking strut（5）The conical surface of the other end and driving piston（3）Taper-face contact；Described service brake cavity
（6）, parking braking chamber（8）Discharge chamber with parking（14）Wall on be respectively arranged with service brake fuel feed hole（20）, parking braking
Fuel feed hole（9）Discharge fuel feed hole with parking（15）.
2. according to claim 1 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described return compression spring
（19）It is arranged on spring base（21）On, spring base（21）It is fixed on service brake cavity（6）Inwall on.
3. according to claim 1 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described service brake cavity
（6）Upper port at be provided with spacer（18）, parking push rod（22）One end pass through spacer（18）With self-locking cammed surface（12）Connect
Touch.
4. according to claim 1 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described parking strut（5）
With driving piston（3）Between arrange compression spring（23）And thrust bearing（24）.
5. according to claim 4 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described compression spring（23）
From wavy spring or helical spring.
6. according to any one of claim 1 to 5 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described stay
Car piston（11）Outer wall axially arranged have anti-rotation groove（26）, parking push rod（22）Top be provided with anti-convulsion（27）, anti-rotation
Muscle（27）It is loosely inserted into anti-rotation groove（26）Interior；Or described parking piston（11）Outer wall axially arranged have anti-convulsion（27）, stay
Car push rod（22）Top be provided with anti-rotation groove（26）.
7. according to claim 6 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described parking push rod（22）
With parking strut（5）Connected by multiple thread.
8. according to claim 7 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described parking push rod（22）
It is set to external screw thread, parking strut（5）It is set to female thread, or described parking push rod（22）It is set to female thread, parking strut
（5）It is set to external screw thread.
9. according to claim 7 or 8 a kind of caliper with hydraulic pressure parking function it is characterised in that：Described braking clamp body
（16）For a part, or combined by two parts or plural part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400700.9A CN106402211A (en) | 2016-06-08 | 2016-06-08 | Brake caliper having hydraulic parking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400700.9A CN106402211A (en) | 2016-06-08 | 2016-06-08 | Brake caliper having hydraulic parking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402211A true CN106402211A (en) | 2017-02-15 |
Family
ID=58006369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610400700.9A Pending CN106402211A (en) | 2016-06-08 | 2016-06-08 | Brake caliper having hydraulic parking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402211A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628013A (en) * | 2017-08-14 | 2018-01-26 | 浙江零跑科技有限公司 | A kind of new energy car electric controlled brake system and method |
| CN108626202A (en) * | 2017-03-17 | 2018-10-09 | 本田技研工业株式会社 | Actuator and the fluid pressure control circuit for having it |
| CN109424668A (en) * | 2017-08-29 | 2019-03-05 | 比亚迪股份有限公司 | Disk brake and vehicle |
| CN111120547A (en) * | 2020-01-10 | 2020-05-08 | 湖北航特科技有限责任公司 | A parking brake caliper and automobile |
| CN111567371A (en) * | 2020-05-27 | 2020-08-25 | 崔来发 | Agricultural is grown seedlings and uses irrigation machine with irrigation machine agricultural seedling |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1368890A (en) * | 1972-03-24 | 1974-10-02 | Girling Ltd | Wheel brakes having lock actuators |
| WO2004072507A1 (en) * | 2003-02-07 | 2004-08-26 | Robert Bosch Gmbh | Hydraulically-activated parking brake with a mechanical locking device |
| CN2649439Y (en) * | 2003-09-26 | 2004-10-20 | 重庆红宇精密工业有限责任公司 | Brake clamp with parking brake |
| US20050173206A1 (en) * | 2004-02-09 | 2005-08-11 | Reuter David F. | Hydraulic brake actuator comprising electrically actuable lock for park brake |
| CN1930404A (en) * | 2004-03-26 | 2007-03-14 | 本田技研工业株式会社 | Parking brake device |
| CN201866139U (en) * | 2010-07-12 | 2011-06-15 | 芜湖伯特利汽车安全系统有限公司 | Brake caliper for brake system of motor vehicle |
| CN203948529U (en) * | 2014-06-10 | 2014-11-19 | 浙江力邦合信汽车制动系统有限公司 | Automotive bake caliper drive unit |
-
2016
- 2016-06-08 CN CN201610400700.9A patent/CN106402211A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1368890A (en) * | 1972-03-24 | 1974-10-02 | Girling Ltd | Wheel brakes having lock actuators |
| WO2004072507A1 (en) * | 2003-02-07 | 2004-08-26 | Robert Bosch Gmbh | Hydraulically-activated parking brake with a mechanical locking device |
| CN2649439Y (en) * | 2003-09-26 | 2004-10-20 | 重庆红宇精密工业有限责任公司 | Brake clamp with parking brake |
| US20050173206A1 (en) * | 2004-02-09 | 2005-08-11 | Reuter David F. | Hydraulic brake actuator comprising electrically actuable lock for park brake |
| CN1930404A (en) * | 2004-03-26 | 2007-03-14 | 本田技研工业株式会社 | Parking brake device |
| CN201866139U (en) * | 2010-07-12 | 2011-06-15 | 芜湖伯特利汽车安全系统有限公司 | Brake caliper for brake system of motor vehicle |
| CN203948529U (en) * | 2014-06-10 | 2014-11-19 | 浙江力邦合信汽车制动系统有限公司 | Automotive bake caliper drive unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626202A (en) * | 2017-03-17 | 2018-10-09 | 本田技研工业株式会社 | Actuator and the fluid pressure control circuit for having it |
| US10753379B2 (en) | 2017-03-17 | 2020-08-25 | Honda Motor Co., Ltd. | Actuator and fluid pressure control circuit having the same |
| CN107628013A (en) * | 2017-08-14 | 2018-01-26 | 浙江零跑科技有限公司 | A kind of new energy car electric controlled brake system and method |
| CN109424668A (en) * | 2017-08-29 | 2019-03-05 | 比亚迪股份有限公司 | Disk brake and vehicle |
| CN111120547A (en) * | 2020-01-10 | 2020-05-08 | 湖北航特科技有限责任公司 | A parking brake caliper and automobile |
| CN111567371A (en) * | 2020-05-27 | 2020-08-25 | 崔来发 | Agricultural is grown seedlings and uses irrigation machine with irrigation machine agricultural seedling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |