CN208397165U - Integrated form differential braking device - Google Patents
Integrated form differential braking device Download PDFInfo
- Publication number
- CN208397165U CN208397165U CN201820673893.XU CN201820673893U CN208397165U CN 208397165 U CN208397165 U CN 208397165U CN 201820673893 U CN201820673893 U CN 201820673893U CN 208397165 U CN208397165 U CN 208397165U
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- China
- Prior art keywords
- brake
- differential
- casing
- friction plate
- brake piston
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- 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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Links
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 6
- 210000003781 tooth socket Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Abstract
The utility model relates to a kind of integrated form differential braking devices for new-energy automobile vehicle-bridge system.It includes the differential mechanism and brake of coaxial package；The differential mechanism includes differential casing, the box of tricks in differential carrier body and a pair of of differential output axle shaft；The brake casing is coaxially socketed big differential mechanism periphery, the end cap of brake casing front end connection annular；The brake piston of brake casing inside middle portion setting annular, brake piston are connect by the closed braking oil pocket of its middle part periphery with the brake pipe on brake casing；Pressure spring is provided between the front end face and end cap of brake piston；Static friction plate and movable friction plate is spaced and parallel is arranged between brake piston rear end face and the limited step at differential casing rear portion；Static friction plate and brake casing can move to axial to be limited in circumferencial direction simultaneously；Movable friction plate and differential casing can move to axial and transmit torque.The utility model is compact-sized, reliable for operation, easy for installation.
Description
Technical field
The utility model relates to a kind of integrated form differential braking devices for new-energy automobile vehicle-bridge system.
Background technique
The vehicle-bridge system of new-energy automobile generally includes differential mechanism and use for realizing left and right wheels rotational speed difference in steering
Come the brake apparatus braked to vehicle.These part devices are usually relatively independent product, respectively after independent manufacture again
It is assembled into entire Vehicular system, defect is: 1, occupied space is big, is unfavorable for the effective use of vehicle space；2, assembling process
Complexity not only reduces production efficiency, and the assembly precision of whole system is not easy to guarantee.
Summary of the invention
Technical problem to be solved by the utility model is to provide one kind can integrate the function of differential mechanism and brake,
And integrated form differential braking device compact-sized, reliable for operation, easy for installation.
The integrated form differential braking device of the utility model includes the differential mechanism and brake of coaxial package；The differential mechanism
Including differential casing, the box of tricks in differential carrier body and a pair of of differential output axle shaft, the differential casing
Rear end face is for the installation end face that connects power input device, and a pair of of differential output axle shaft is respectively forwardly, latter two direction prolongs
It stretches；The brake includes brake casing, end cap, brake piston, static friction plate and movable friction plate；Brake casing coaxial sleeve
Connect big differential mechanism periphery, the end cap of brake casing front end connection annular；The braking of brake casing inside middle portion setting annular
Piston, brake piston are connect with the brake pipe on brake casing by the closed braking oil pocket of its middle part periphery, are braked
Oil pressure in oil pocket can push forward brake piston by the pressure-bearing surface on the inside of brake piston；The front end face of brake piston with
Pressure spring is provided between end cap, the spring force of pressure spring can push backward brake piston；Static friction plate and movable friction plate interval
It is arranged in parallel between brake piston rear end face and the limited step at differential casing rear portion；Static friction plate outer ring and arrester shell
Internal wall is coupled, and can be moved to axial while be limited in circumferencial direction；Movable friction plate inner ring and differential casing
Outer wall is coupled, and can be moved to axial and be transmitted torque.
By axial tooth socket fit between the static friction plate outer ring and brake casing inner wall, make static friction plate can phase
Brake casing is moved axially and is limited simultaneously in circumferencial direction；Between the movable friction plate inner ring and differential casing outer wall
By axial tooth socket fit, it move axially movable friction plate can with respect to differential casing and transmit torque.
The differential casing is connect by bearing with end cap inner ring.
The forward and backward side of the braking oil pocket is respectively by close between brake piston outer wall and brake casing inner wall
Seal sealing.
Differential and braking function are integrated in by the utility model of the utility model by differential mechanism and brake coaxial package
In one device, compact overall structure substantially reduces space hold；Simultaneously because package unit integrated installation, saves vehicle
Install debug time when assembled, improves packaging efficiency, also improves assembly precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
As shown, the integrated form differential braking device includes the differential mechanism 1 and brake 2 of coaxial package；The differential
Device 1 includes differential casing 11, the box of tricks 12 in differential carrier body and a pair of of differential output axle shaft 13, described
11 rear end face of differential casing be for the installation end face 14 that connects power input device, a pair of of differential output axle shaft 13 respectively to
Former and later two directions extend；The brake 2 includes brake casing 21, end cap 22, brake piston 23,24 and of static friction plate
Movable friction plate 25；Brake casing 21 is coaxially socketed on differential mechanism periphery, the end cap 22 of 21 front end of brake casing connection annular；
The brake piston 23 of 21 inside middle portion of brake casing setting annular, the closed brake oil that brake piston passes through its middle part periphery
Chamber 26 is connect with the brake pipe 27 on brake casing, and the intracavitary oil pressure of brake oil being capable of holding by 23 inside of brake piston
Pressure surface pushes forward brake piston；Pressure spring 28, the spring force of pressure spring are provided between the front end face and end cap of brake piston 23
Brake piston 23 can be pushed backward；Static friction plate 24 and the spaced and parallel setting of movable friction plate 25 are in 23 rear end face of brake piston
Between the limited step at 11 rear portion of differential casing；24 outer ring of static friction plate is coupled with 21 inner wall of brake casing, and
It can move to axial while be limited in circumferencial direction；25 inner ring of movable friction plate and the outer wall of differential casing 11 are coupled,
And it can move to axial and transmit torque.When pressure spring 28 pushes brake piston 23 to move backward, brake piston squeezes dynamic and static rub
Pad realizes braking；Release braking when, by brake pipe 27 to braking oil pocket 26 in be pressed into hydraulic oil, by brake piston to
Preceding promotion discharges kinematics and static friction piece.
By axial tooth socket fit between 21 inner wall of static friction plate outer ring 24 and brake casing, make static friction plate 24 can
The axial movement of relative brake device shell 21 is limited in circumferencial direction simultaneously；25 inner ring of movable friction plate and 11 outer wall of differential casing it
Between also by axial tooth socket fit, so that movable friction plate 25 the opposite axial movement of differential casing 11 and torque can be transmitted.Forward
The differential output axle shaft 13 of extension is connect by bearing with 22 inner ring of end cap.The forward and backward side of braking oil pocket 26 passes through respectively to be located at
Sealing ring 29 between 21 inner wall of 23 outer wall of brake piston and brake casing seals.
Claims (4)
1. a kind of integrated form differential braking device, it is characterized in that: including the differential mechanism (1) and brake (2) of coaxial package；It is described
Differential mechanism (1) includes differential casing (11), the box of tricks (12) in differential carrier body and a pair of of differential output half
Axis (13), differential casing (11) rear end face are the installation end face (14) for connecting power input device, a pair of of differential
Output axle shaft (13) respectively forwardly, latter two direction extend；The brake (2) include brake casing (21), end cap (22),
Brake piston (23), static friction plate (24) and movable friction plate (25)；Brake casing (21) is coaxially socketed on differential mechanism periphery, system
The end cap (22) of dynamic device shell (21) front end connection annular；The brake piston of brake casing (21) inside middle portion setting annular
(23), the brake pipe (27) on closed braking oil pocket (26) and brake casing that brake piston passes through its middle part periphery is even
It connects, the intracavitary oil pressure of brake oil can push forward brake piston by the pressure-bearing surface on the inside of brake piston (23)；Braking is lived
It fills in and is provided with pressure spring (28) between the front end face and end cap of (23), the spring force of pressure spring can be by brake piston (23) to pusher
It is dynamic；Static friction plate (24) and the spaced and parallel setting of movable friction plate (25) are in brake piston (23) rear end face and differential casing (11)
Between the limited step at rear portion；Static friction plate (24) outer ring is coupled with brake casing (21) inner wall, and can be to axial
It is mobile to be limited simultaneously in circumferencial direction；Movable friction plate (25) inner ring and the outer wall of differential casing (11) are coupled, and can phase
To moving axially and transmit torque.
2. integrated form differential braking device according to claim 1, it is characterized in that: static friction plate (24) outer ring and arrester shell
By axial tooth socket fit between body (21) inner wall, make static friction plate (24) can relative brake device shell (21) axial movement it is same
When circumferencial direction limit；Match between movable friction plate (25) inner ring and differential casing (11) outer wall also by axial tooth socket
It closes, move axially movable friction plate (25) can with respect to differential casing (11) and transmits torque.
3. integrated form differential braking device according to claim 1, it is characterized in that: the differential casing (11) extended forward is logical
Bearing is crossed to connect with end cap (22) inner ring.
4. integrated form differential braking device according to claim 1, it is characterized in that: the forward and backward side difference of braking oil pocket (26)
It is sealed by the sealing ring (29) between brake piston (23) outer wall and brake casing (21) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673893.XU CN208397165U (en) | 2018-05-08 | 2018-05-08 | Integrated form differential braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673893.XU CN208397165U (en) | 2018-05-08 | 2018-05-08 | Integrated form differential braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397165U true CN208397165U (en) | 2019-01-18 |
Family
ID=65062841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820673893.XU Active CN208397165U (en) | 2018-05-08 | 2018-05-08 | Integrated form differential braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397165U (en) |
-
2018
- 2018-05-08 CN CN201820673893.XU patent/CN208397165U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee after: Hangke Automobile (Zhenjiang) Co.,Ltd. Country or region after: China Address before: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee before: HANGKE AUTOMOTIVE CHASSIS SYSTEM (ZHENJIANG) CO.,LTD. Country or region before: China |