CN204127173U - A kind of novel spring brake chamber - Google Patents
A kind of novel spring brake chamber Download PDFInfo
- Publication number
- CN204127173U CN204127173U CN201420502135.3U CN201420502135U CN204127173U CN 204127173 U CN204127173 U CN 204127173U CN 201420502135 U CN201420502135 U CN 201420502135U CN 204127173 U CN204127173 U CN 204127173U
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- plate
- push
- valve body
- air chamber
- middle valve
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Abstract
The utility model discloses a kind of novel spring brake chamber, comprise push rod, front cover, middle valve body, rear end cover, middle valve body is installed between front cover and rear end cover, in rear end cover, rear film is installed, rear end cover and middle valve body are divided into the first air chamber and the second air chamber by rear film, bracket and big spring are installed in the first air chamber, in second air chamber, central shaft is installed, the two ends of central shaft are separately installed with the first little push-plate and the second little push-plate, central shaft is set with central spring, in front cover, front diaphragm is installed, front cover and middle valve body are divided into the 3rd air chamber and the 4th air chamber by front diaphragm, in 4th air chamber, large push-plate and push rod spring are installed, large push-plate is connected with push rod one end, second little push-plate is installed between front diaphragm and middle valve body, middle valve body is provided with the first opening and the second opening, first opening is connected with the 3rd air chamber, second opening is connected with the second air chamber.The utility model can effectively reduce the fracture between push rod and large push-plate.
Description
[technical field]
The utility model relates to the technical field of automobile braking device, particularly a kind of technical field of novel spring brake chamber.
[background technique]
In driving or parking, spring brake chamber is by acting on brake shoe, produce braking force to truck hub, the spring brake chamber generally used at present is not long for working life, the phenomenon such as have that push-plate cracking, front diaphragm are damaged, front air chamber and rear gas chamber leak gas mutually.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of novel spring brake chamber is proposed, the fracture between push rod and large push-plate can be effectively reduced, the wearing and tearing of the distortion of large push-plate, front diaphragm and rear film, and ensure that the sealing of air chamber of middle valve body, improve the working life of 0 RunddichtringO.
For achieving the above object, the utility model proposes a kind of novel spring brake chamber, comprise push rod, front cover, middle valve body, rear end cover, described middle valve body is installed between front cover and rear end cover, in rear end cover, rear film is installed, rear end cover and middle valve body are divided into the first air chamber and the second air chamber by described rear film, in described first air chamber, bracket and big spring are installed, in second air chamber, central shaft is installed, the two ends of described central shaft are separately installed with the first little push-plate and the second little push-plate, central shaft is set with central spring, in described front cover, front diaphragm is installed, front cover and middle valve body are divided into the 3rd air chamber and the 4th air chamber by front diaphragm, in 4th air chamber, large push-plate and push rod spring are installed, described large push-plate is connected with push rod one end, described second little push-plate is installed between front diaphragm and middle valve body, middle valve body is provided with the first opening and the second opening, first opening is connected with the 3rd air chamber, second opening is connected with the second air chamber.
As preferably, described front cover and middle valve body adopt clip close installation, and rear end cover and middle valve body adopt clip close installation, and front cover is provided with some construction bolts.
As preferably, inside described front cover, spring seat is installed, one end of push rod is positioned at inside front cover, the other end of push rod is positioned at outside front cover, be positioned on the push rod inside front cover and push rod spring is installed, one end and the large push-plate of push rod spring adopt friction welding to be connected, and the other end of push rod spring is connected with spring seat.
As preferably, described first little push-plate and the second little push-plate all adopt crossed pan head screw and central shaft to fixedly mount, first little push-plate contacts with rear film, the front end of central shaft fixedly mounts through middle valve body and the second little push-plate, the first little push-plate is withstood in described central spring one end, and the central spring the other end withstands middle valve body.
As preferably, the first plastics guide ring and the second plastics guide ring are installed between described central shaft and middle valve body, between the first plastics guide ring and the second plastics guide ring, 0 RunddichtringO are installed.
The beneficial effects of the utility model: in the utility model, large push-plate and push rod adopt friction welding technological to be connected, large push-plate, front diaphragm, rear film all adopt classification bonding structure, two plastics guide ring structure is adopted between middle valve body and central shaft, effectively reduce the fracture between push rod and large push-plate, the wearing and tearing of the distortion of large push-plate, front diaphragm and rear film, and ensure that the sealing of air chamber of middle valve body, improve the working life of O RunddichtringO.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the plan view of a kind of novel spring brake chamber of the utility model;
Fig. 2 is the main pseudosection of a kind of novel spring of the utility model brake chamber;
Fig. 3 is the structural representation of the utility model first plastics guide ring and the second plastics guide ring.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, a kind of novel spring brake chamber of the utility model, comprise push rod 1, front cover 2, middle valve body 3, rear end cover 4, described middle valve body 3 is installed between front cover 2 and rear end cover 4, rear film 41 is installed in rear end cover 4, rear end cover 4 and middle valve body 3 are divided into the first air chamber 61 and the second air chamber 62 by described rear film 41, in described first air chamber 61, bracket 7 and big spring 71 are installed, in second air chamber 62, central shaft 8 is installed, the two ends of described central shaft 8 are separately installed with the first little push-plate 81 and the second little push-plate 82, central shaft 8 is set with central spring 83, in described front cover 2, front diaphragm 21 is installed, front cover 2 and middle valve body 3 are divided into the 3rd air chamber 63 and the 4th air chamber 64 by front diaphragm 21, in 4th air chamber 64, large push-plate 11 and push rod spring 12 are installed, described large push-plate 11 is connected with push rod 1 one end, described second little push-plate 82 is installed between front diaphragm 21 and middle valve body 3, middle valve body 3 is provided with the first opening 31 and the second opening 32, first opening 31 is connected with the 3rd air chamber 63, second opening 32 is connected with the second air chamber 62, described front cover 2 adopts clip 5 close installation with middle valve body 3, rear end cover 4 and middle valve body 3 adopt clip 5 close installation, front cover 2 is provided with some construction bolts 22, inside described front cover 2, spring seat 23 is installed, one end of push rod 1 is positioned at inside front cover 2, the other end of push rod 1 is positioned at outside front cover 2, be positioned on the push rod 1 inside front cover 2 and push rod spring 12 is installed, one end of push rod spring 12 is connected with large push-plate 11, the other end of push rod spring 12 is connected with spring seat 23, described first little push-plate 81 and the second little push-plate 82 all adopt crossed pan head screw 84 and central shaft 8 to fixedly mount, first little push-plate 81 contacts with rear film 41, the front end of central shaft 8 fixedly mounts through middle valve body 3 and the second little push-plate 82, the first little push-plate 81 is withstood in described central spring 83 one end, central spring 83 the other end withstands middle valve body 3, first plastics guide ring 91 and the second plastics guide ring 92 is installed between described central shaft 8 and middle valve body 3, between first plastics guide ring 91 and the second plastics guide ring 92,0 RunddichtringO 93 is installed.
Utility model works process:
A kind of novel spring brake chamber of the utility model in the course of the work, spring brake chamber is connected in truck vehicle bridge by construction bolt 22, push rod 1 is connected with adjustment arm, first opening 31 communicates with the 3rd air chamber 62, second opening 32 communicates with the second air chamber 62, when parking (parking), first opening 31 and the second opening 32 all do not have air pressure, big spring 71 is released, now big spring 71 promotes bracket 7 straight forward movement, bracket 7 is by rear film 41, promote central shaft 8, first little push-plate 81 straight forward movement, second little push-plate 82 is by front diaphragm 21, promote large push-plate 11 and push rod 1 straight forward movement, push rod 1 promotes adjustment arm, lorry brake hoof is made to produce braking force, truck hub is in locking state.When vehicle starts to exercise, second opening 32 connects air pressure, and rear film 41, under gas pressure, promotes bracket 7 and moves backward, big spring 71 is compressed, and under push rod spring 12 and central spring 83 promote, the first little push-plate 82 of little push-plate 81, second and central shaft 8 also move backward, large push-plate 11 also moves with push rod 1 backward, until the second little push-plate 82 contacts with middle valve body 3, now vehicle brake hoof is in relaxation state, and vehicle is normally exercised, without brake control power.When vehicle is in driving states, driver steps on brake petal, pipeline air pressure enters the first opening 31, and gas pressure is in front diaphragm 21, and front diaphragm 21 promotes large push-plate 11 and push rod 1 travels forward, now vehicle hub is in braking state, driver loosens the brake, and the first opening 31 is without air pressure, and push rod 1 and large push-plate 11 are under push rod spring 12 acts on, move, now vehicle hub brakeless state backward.
In sum, vehicle in use, central shaft 8 is to-and-fro motion between middle valve body 3 continually, and the spring brake chamber before contrast has had larger improvement herein, adopts the first plastics guide ring 91 and the second plastics guide ring 92, middle placement 0 RunddichtringO 93, the advantage of this structure is, has stopped central shaft 8 and the wearing and tearing of middle valve body 3, has reduced the wearing and tearing of central shaft 8 to 0 RunddichtringO, improve sealability, extend the working life of spring brake chamber.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (5)
1. a novel spring brake chamber, it is characterized in that: comprise push rod (1), front cover (2), middle valve body (3), rear end cover (4), described middle valve body (3) is installed between front cover (2) and rear end cover (4), rear film (41) is installed in rear end cover (4), rear end cover (4) and middle valve body (3) are divided into the first air chamber (61) and the second air chamber (62) by described rear film (41), bracket (7) and big spring (71) are installed in described first air chamber (61), central shaft (8) is installed in the second air chamber (62), the two ends of described central shaft (8) are separately installed with the first little push-plate (81) and the second little push-plate (82), central shaft (8) is set with central spring (83), front diaphragm (21) is installed in described front cover (2), front cover (2) and middle valve body (3) are divided into the 3rd air chamber (63) and the 4th air chamber (64) by front diaphragm (21), large push-plate (11) and push rod spring (12) are installed in the 4th air chamber (64), described large push-plate (11) is connected with push rod (1) one end, described second little push-plate (82) is installed between front diaphragm (21) and middle valve body (3), middle valve body (3) is provided with the first opening (31) and the second opening (32), first opening (31) is connected with the 3rd air chamber (63), second opening (32) is connected with the second air chamber (62).
2. a kind of novel spring brake chamber as claimed in claim 1, it is characterized in that: described front cover (2) and middle valve body (3) adopt clip (5) close installation, rear end cover (4) and middle valve body (3) adopt clip (5) close installation, and front cover (2) is provided with some construction bolts (22).
3. a kind of novel spring brake chamber as claimed in claim 1, it is characterized in that: described front cover (2) inner side is provided with spring seat (23), one end of push rod (1) is positioned at front cover (2) inner side, the other end of push rod (1) is positioned at front cover (2) outside, be positioned on the push rod (1) inside front cover (2) and push rod spring (12) is installed, one end of push rod spring (12) adopts friction welding to be connected with large push-plate (11), and the other end of push rod spring (12) is connected with spring seat (23).
4. a kind of novel spring brake chamber as claimed in claim 1, it is characterized in that: described first little push-plate (81) and the second little push-plate (82) all adopt crossed pan head screw (84) and central shaft (8) to fixedly mount, first little push-plate (81) contacts with rear film (41), the front end of central shaft (8) fixedly mounts through middle valve body (3) and the second little push-plate (82), the first little push-plate (81) is withstood in described central spring (83) one end, and central spring (83) the other end withstands middle valve body (3).
5. a kind of novel spring brake chamber as claimed in claim 4, it is characterized in that: the first plastics guide ring (91) and the second plastics guide ring (92) are installed between described central shaft (8) and middle valve body (3), between the first plastics guide ring (91) and the second plastics guide ring (92), 0 RunddichtringO (93) are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502135.3U CN204127173U (en) | 2014-09-02 | 2014-09-02 | A kind of novel spring brake chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502135.3U CN204127173U (en) | 2014-09-02 | 2014-09-02 | A kind of novel spring brake chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127173U true CN204127173U (en) | 2015-01-28 |
Family
ID=52383532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420502135.3U Active CN204127173U (en) | 2014-09-02 | 2014-09-02 | A kind of novel spring brake chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204127173U (en) |
-
2014
- 2014-09-02 CN CN201420502135.3U patent/CN204127173U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel spring brake chamber Effective date of registration: 20171108 Granted publication date: 20150128 Pledgee: China Co. truction Bank Corp Zhuji branch Pledgor: ZHEJIANG ZHUJI DONGGANG HYDRAULIC PRESSURE MACHINERY Co.,Ltd. Registration number: 2017330000162 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180323 Granted publication date: 20150128 Pledgee: China Co. truction Bank Corp Zhuji branch Pledgor: ZHEJIANG ZHUJI DONGGANG HYDRAULIC PRESSURE MACHINERY Co.,Ltd. Registration number: 2017330000162 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180816 Address after: 311800 Qinglong fan, Maple Bridge Town, Zhuji, Zhejiang Patentee after: ZHEJIANG BAILI MACHINERY Co.,Ltd. Address before: 311800 Shaoxing City, Zhejiang Province, Zhuji City Maple Bridge Industrial Area Patentee before: ZHEJIANG ZHUJI DONGGANG HYDRAULIC PRESSURE MACHINERY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel spring brake chamber Effective date of registration: 20200714 Granted publication date: 20150128 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Fengqiao sub branch Pledgor: ZHEJIANG BAILI MACHINERY Co.,Ltd. Registration number: Y2020330000486 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220808 Granted publication date: 20150128 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Fengqiao sub branch Pledgor: ZHEJIANG BAILI MACHINERY Co.,Ltd. Registration number: Y2020330000486 |