CN208138365U - Band displacement monitoring spring brake chamber - Google Patents
Band displacement monitoring spring brake chamber Download PDFInfo
- Publication number
- CN208138365U CN208138365U CN201820464185.5U CN201820464185U CN208138365U CN 208138365 U CN208138365 U CN 208138365U CN 201820464185 U CN201820464185 U CN 201820464185U CN 208138365 U CN208138365 U CN 208138365U
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- China
- Prior art keywords
- spring
- brake
- magnetic induction
- induction switch
- displacement monitoring
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Abstract
The utility model relates to a kind of band displacement monitoring spring brake chambers, including stay-bolt（1）, piston（32）, brake spring（4）And piston component（3）, brake spring（4）Positioned at spring cavity（5）It is interior, displacement induction structure is equipped in the spring brake chamber, the displacement induction structure includes being located at Magnetic Induction switch block（2）On Magnetic Induction switch（21）Be located at piston（32）On magnet（31）.Magnetic Induction switch（21）In magnet（31）Magnetic field range in when, under magnetic force be in closed state；Work as atmospheric pressure cavity（6）Air pressure be less than brake spring（4）When compressing force, piston component（3）In brake spring power（4）Under the action of move right, Magnetic Induction switch（21）Locating magnetic field strength is with magnet（31）Far from weakening, the final closure that disconnects forms electric signal feedback to driver's cabin, to remind driver that maintenance shut-downs avoid accident.
Description
Technical field
The utility model relates to technical field of automobile parts, in particular to a kind of band displacement monitoring spring braking
Gas chamber.
Background technique
Apply extraneous (mainly road surface) centainly in the certain parts of automobile (mainly wheel) on braking system automobile
A series of special arrangements of the power to carry out a degree of forced brake to it be referred to as braking system.Commercial vehicle is with gas system
Based on dynamic system, brake force needed for mechanical actuating mechanism provides deceleration and parking for vehicle, braking are actuated using compressed air
Gas chamber is the braking executive component of commercial vehicle.Spring brake chamber is that a part of brake system of car is typically mounted at automobile
Lorry, truck and the car etc. being widely used in air braking system on drive axle.
When running car, spring is constantly in compressive state under air pressure thrust, and pull-up parking brake discharges atmospheric pressure cavity pressure
Contracting air, brake spring push piston component to reach releasing on-position.If when running car, atmospheric pressure cavity is due to gas leakage
Cause air pressure insufficient, brake spring compressing force is greater than air pressure to the thrust of piston component, and brake spring pushes piston component to cause
It is de- to stop, so that brake block is constantly in Frotteurism, overheating wheel and cause accident.
As shown in Fig. 2, spring brake chamber in the prior art consists of two parts, diaphragm brake portion is for the system of driving a vehicle
Dynamic, spring braking part is used for emergency brake and stopping brake.Spring braking part mainly pushes under the action of the spring and lives
Plug assembly（3）, brake force is provided for the parking braking of vehicle.When running car, spring is constantly under air pressure thrust
Compressive state, pull-up parking brake discharge atmospheric pressure cavity compressed air, and brake spring pushes piston component（3）To reach releasing braking shape
State.If when running car, atmospheric pressure cavity（6）Since gas leakage causes air pressure insufficient, it is located at spring cavity（5）Interior brake spring（4）
Compressing force is greater than air pressure to piston component（3）Thrust, brake spring（4）Push piston component（3）De- brake is caused, brake block is made
Be constantly in Frotteurism, overheating wheel and cause accident.
In another example Authorization Notice No. is the Chinese utility model patent of CN204457036 U, it discloses a kind of improved
Spring brake chamber.The improved spring brake chamber includes middle body, rear cover, piston, tripping spring, tappet, front cover, resets bullet
Spring, resetting shaft, epithelium and reset reel, the middle body connect to form arrester with rear cover, and the piston is set to the arrester
Interior, the tappet passes through the piston and is welded on the piston, and the braking bullet is equipped between the piston and rear cover
Spring, middle body inside are equipped with the first opening, and the tappet passes through first opening, the meta position of the tappet and the middle body
It is equipped with O-ring seal in first opening, the rear cover is wrapped on the outside of the middle body, and is fixed on by positioning screw
Together, the middle body is equipped with big crimping, and the front cover is equipped with small crimping, and skin is equipped between the big crimping and small crimping
Film, the epithelium, which is equipped with, resets reel, and the resetting shaft is welded on the reset reel, and one is equipped on the outside of the resetting shaft
Coil spring seat.If when running car, for atmospheric pressure cavity since gas leakage causes air pressure insufficient, brake spring compressing force is greater than air pressure to work
The thrust of plug assembly, brake spring push piston component to cause de- brake, brake block are made to be constantly in Frotteurism, overheating wheel and
Cause accident.
Utility model content
The purpose of the utility model is to provide a kind of band displacement monitoring spring brake chambers, solve spring system in the prior art
The technical issues of taking offence de- stop in room and causing accident.
In order to realize above-mentioned purpose of design, the scheme that the utility model uses is as follows：
According to a kind of band displacement monitoring spring brake chamber of the utility model, including stay-bolt, brake spring and work
Plug assembly, brake spring are located in spring cavity, and displacement induction structure, the displacement induction structure are equipped in the spring brake chamber
Including the Magnetic Induction switch being located on Magnetic Induction switch block and the magnet on piston.Usually when driving, brake bullet
Spring is chronically at compressive state under the action of air pressure thrust, and the magnet on piston is magnetic on the left of Magnetic Induction switch block
Inductive switch is closed under magnetic fields and forms electric signal, is now in brake releasing state.It stops when the air pressure of atmospheric pressure cavity is less than
When car spring compressing force, piston moves right under the action of brake spring power, where switching with magnet far from Magnetic Induction
Field weakening, final disconnect form electric signal feedback to driver's cabin, to remind driver that maintenance shut-downs avoid accident.
Preferably, the Magnetic Induction switch block is located in the axle center hole of stay-bolt end, to save gas
The space of room housing, it is easy to operate.Magnetic Induction switch block influences less spring brake chamber overall structure and assembly, tool
There are good versatility, the spring brake chamber of suitable for various size.
In any of the above-described scheme preferably, the Magnetic Induction switch block include waterproof socket, waterproof plug and
Magnetic Induction switch, the switch are located at the end of Magnetic Induction switch block.Waterproof socket and waterproof plug；Displacement monitoring signal
It is connect using waterproof plug and waterproof socket form with vehicle bridge, easy to connect and applicable adverse circumstances, easy to connect and applicable evil
Bad environment.
In any of the above-described scheme preferably, the waterproof socket and waterproof plug are located at the end of stay-bolt.
In any of the above-described scheme preferably, the waterproof socket and waterproof plug cooperate.
In any of the above-described scheme preferably, the spring brake chamber includes diaphragm brake portion and spring braking portion
Point.
In any of the above-described scheme preferably, the diaphragm brake portion is used for service brake；It uses spring braking part
In emergency brake and stopping brake.
In any of the above-described scheme preferably, the spring braking part pushes the piston component to be under the action of the spring
The parking braking of vehicle provides brake force.
Detailed description of the invention
Fig. 1 is the cross-sectional view according to the preferred embodiment with displacement monitoring spring brake chamber of the utility model.
Fig. 2 is the cross-sectional view of spring brake chamber in the prior art.
Figure label explanation：
Stay-bolt 1, Magnetic Induction switch block 2, Magnetic Induction switch 21, magnet 31, piston 32, brake spring 4 are living
Plug assembly 3, spring cavity 5, atmospheric pressure cavity 6, waterproof socket 7, waterproof plug 8.
Specific embodiment
In order to better understand according to the band displacement monitoring spring brake chamber of the utility model, describe with reference to the accompanying drawing
According to the specific embodiment with displacement monitoring spring brake chamber of the utility model.
Refering to what is shown in Fig. 1, the preferred embodiment with displacement monitoring spring brake chamber according to the utility model is cutd open
View.
The band displacement monitoring spring brake chamber of the utility model, including stay-bolt 1, brake spring 4 and piston component
3, brake spring 4 is located in spring cavity 5, and displacement induction structure, the displacement induction structure packet are equipped in the spring brake chamber
Include Magnetic Induction switch block 2, the magnet 31 on piston 32.Magnetic Induction switch 21 is in Magnetic Induction switch block 2
End, brake spring 4 are chronically at compressive state under the action of air pressure thrust, and the magnet 31 on piston 32 is opened in Magnetic Induction
21 right sides are closed, the de- brake degree of distance influence feedback spring cylinder of magnet 31 and Magnetic Induction switch 21 can be according to customer requirement system
Determine different size.Spring brake chamber is in brake releasing state, magnetic fields of the Magnetic Induction switch 21 in magnet 31 at this time
It is lower to be in closure electrical signal status, make the air pressure of atmospheric pressure cavity 6 less than the compression of brake spring 4 when spring brake chamber breaks down
When power, piston component 3 moves right under the effect of brake spring power, as magnet 31 is far from 21 place magnetic field of Magnetic Induction switch
Weaken, final disconnect forms electric signal feedback to driver's cabin, to remind driver that maintenance shut-downs avoid accident.
In the present embodiment, the Magnetic Induction switch block 2 is located in the axle center hole of stay-bolt 1, to save
The space of gas chamber shell, it is easy to operate.Magnetic Induction switch block 2 influences not spring brake chamber overall structure and assembly
Greatly, there is good versatility, the spring brake chamber of suitable for various size.
In the present embodiment, the Magnetic Induction switch block 2 includes that waterproof socket 7, waterproof plug 8 and Magnetic Induction are opened
21 are closed, which is located at the end of Magnetic Induction switch block 2；Displacement monitoring signal uses 7 shape of waterproof plug 8 and waterproof socket
Formula is connect with vehicle bridge, easy to connect and applicable adverse circumstances
In the present embodiment, the waterproof socket 7 is located at the end of stay-bolt 1 with waterproof plug 8.
In the present embodiment, the waterproof socket 7 cooperates with waterproof plug 8.
In the present embodiment, the spring brake chamber includes diaphragm brake portion and spring braking part.
In the present embodiment, the diaphragm brake portion is used for service brake；Spring braking part for emergency brake and
Stopping brake.
In the present embodiment, it is the parking system of vehicle that the spring braking part pushes piston component under the action of the spring
It is dynamic that brake force is provided.
It will be apparent to those skilled in the art that the band displacement monitoring spring brake chamber of the utility model includes this specification
Any combination of middle each section.As space is limited and the simplicity in order to make specification, herein not by these combinations one by one in detail
It introduces, but after having seen this specification, the scope of the utility model that any combination of each section being made of this specification is constituted
Repeated it is to be understood that being therefore not added.
Claims (8)
1. a kind of band displacement monitoring spring brake chamber, including stay-bolt（1）, piston（32）, brake spring（4）With piston group
Part（3）, brake spring（4）Positioned at spring cavity（5）It is interior, it is characterised in that：Displacement induction structure is equipped in the spring brake chamber,
The displacement induction structure includes being located at Magnetic Induction switch block（2）On Magnetic Induction switch（21）Be located at piston（32）
On magnet（31）.
2. band displacement monitoring spring brake chamber as described in claim 1, it is characterised in that：Magnetic Induction switch block（2）
Positioned at stay-bolt（1）Axle center hole in.
3. band displacement monitoring spring brake chamber as described in claim 1, it is characterised in that：Magnetic Induction switch block（2）
Including waterproof socket（7）, waterproof plug（8）It is switched with Magnetic Induction（21）, which is located at Magnetic Induction switch block（2）'s
End.
4. band displacement monitoring spring brake chamber as claimed in claim 3, it is characterised in that：Waterproof socket（7）With anti-water cutting
Head（8）Positioned at stay-bolt（1）End.
5. band displacement monitoring spring brake chamber as claimed in claim 3, it is characterised in that：Waterproof socket（7）With anti-water cutting
Head（8）Cooperation.
6. band displacement monitoring spring brake chamber according to any one of claims 1 to 5, it is characterised in that：The spring system
Room of taking offence includes diaphragm brake portion and spring braking part.
7. band displacement monitoring spring brake chamber as claimed in claim 6, it is characterised in that：The diaphragm brake portion is used for
Service brake；Spring braking part is used for emergency brake and stopping brake.
8. band displacement monitoring spring brake chamber as claimed in claim 6, it is characterised in that：The spring braking part is in bullet
Piston component is pushed to provide brake force for the parking braking of vehicle under the action of spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820464185.5U CN208138365U (en) | 2018-03-30 | 2018-03-30 | Band displacement monitoring spring brake chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820464185.5U CN208138365U (en) | 2018-03-30 | 2018-03-30 | Band displacement monitoring spring brake chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138365U true CN208138365U (en) | 2018-11-23 |
Family
ID=64291160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820464185.5U Active CN208138365U (en) | 2018-03-30 | 2018-03-30 | Band displacement monitoring spring brake chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138365U (en) |
-
2018
- 2018-03-30 CN CN201820464185.5U patent/CN208138365U/en active Active
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| GR01 | Patent grant |