CN207921185U - Disc spring double brake gas chamber - Google Patents
Disc spring double brake gas chamber Download PDFInfo
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- CN207921185U CN207921185U CN201820336139.7U CN201820336139U CN207921185U CN 207921185 U CN207921185 U CN 207921185U CN 201820336139 U CN201820336139 U CN 201820336139U CN 207921185 U CN207921185 U CN 207921185U
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- diaphragm
- push rod
- spring
- brake
- chamber
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Abstract
The utility model is related to brake chamber technical fields, in particular disc spring double brake gas chamber, including lower chamber and the upper chamber at the top of lower chamber.The disc spring double brake gas chamber, by foot brake valves come compressed air via through holes enter the second cavity inside, the pressure that compressed air generates acts on diaphragm, so that diaphragm is protruded to lower chamber, and compress the first spring, the first push rod is released by diaphragm, the pressure acted on diaphragm is acted on by the first push rod on brake arm, braking moment is generated to wheel, by hand control valve so that the compressed air via through holes of the second cavity inside are fully drawn out, energy-stored spring also releases energy completely therewith at this time, push rod is ejected, it is acted on brake arm by the first push rod, braking moment is generated to wheel, reduce the setting of nozzle and diaphragm, greatly reduce production cost, the loss of diaphragm is reduced simultaneously.
Description
Technical field
The utility model is related to brake chamber technical fields, specially disc spring double brake gas chamber.
Background technology
Brake chamber be also referred to as wheel cylinder, its effect be by the pressure transition of compressed air be make brake camshaft rotate machinery
Power realizes braking maneuver.Brake chamber is that clip clamps diaphragm type.When automobile brake, air enters brake chamber from air inlet,
So that diaphragm is deformed under air pressure effect, pushes push rod, and drive braking adjusting arm, rolling brake cam will be braked
Shoe friction plate presses to brake drum and generates braking, and the brake force of diaphragm type air chamber push rod is directly proportional to input air pressure；Parking braking
Locellus is the brake apparatus deflated using spring energy-storage.The blowing pressure enters pressure air chamber by 12 mouthfuls, acts on piston
Power, when pressure be more than 0.65MPa when, act on piston power be more than spring pretightning force, piston stroking upward to the limit, braking solution
It removes；If the gas of pressure locellus is vented completely, spring pushes descent of piston, and main brake push rod is pushed to generate braking, severity of braking
It is related with initial tension of spring；When pressure air chamber's air pressure is less than 0.65MPa, locellus generates brake force and is inversely proportional with atmospheric pressure value, because
This can implement emergency brake.
But existing disc spring double brake gas chamber, realize service brake and parking braking need from different nozzles into
Enter compressed gas, lead to that the production cost increases, while needing to carry out the drive of service brake and parking braking by two diaphragms,
Cause the loss to diaphragm higher.In consideration of it, it is proposed that disc spring double brake gas chamber.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide disc spring double brake gas chamber
Disc spring double brake gas chamber needs to enter compressed gas from different nozzles, cause in realization service brake and parking braking
The production cost increases, while needing to carry out the drive of service brake and parking braking by two diaphragms, leads to the damage to diaphragm
Consume higher problem.
To achieve the above object, the utility model provides the following technical solutions：
Disc spring double brake gas chamber, including lower chamber and the upper chamber at the top of the lower chamber, under described
Diaphragm is installed, the lower chamber is internally provided with the first cavity, and the diaphragm is close to institute between gas chamber and the upper chamber
It states first cavity one end and push rod is installed, the first spring is provided on the outside of the push rod, the bottom of the lower chamber is provided with
Outlet end.
Preferably, the diaphragm and first cavity are slidably connected.
Preferably, the push rod and the outlet end are slidably connected.
Preferably, first spring is in the shape of a spiral.
Preferably, the upper chamber is internally provided with several energy-stored springs, and the bottom of the energy-stored spring is provided with
The side of second cavity, second cavity is provided with through-hole, and the inside of second cavity is equipped with fixed plate, the fixation
The bottom of plate is provided with telescopic rod, and second spring is provided on the outside of the telescopic rod.
Preferably, the fixed plate and the energy-stored spring elastic connection.
Preferably, the through-hole and second cavity communicate.
Preferably, the telescopic rod and the fixed plate seamless welding.
Compared with prior art, the beneficial effects of the utility model：The disc spring double brake gas chamber, passes through foot brake valves
Come compressed air via through holes enter the second cavity inside, compressed air generate pressure act on diaphragm so that diaphragm to
Lower chamber protrudes, and compresses the first spring, is released the first push rod by diaphragm, the pressure acted on diaphragm is pushed away by first
Bar acts on brake arm, and braking moment is generated to wheel, by hand control valve so that the compressed air of the second cavity inside is through logical
Hole is fully drawn out, and energy-stored spring also releases energy completely therewith at this time, and push rod is ejected, and brake arm is acted on by the first push rod
On, braking moment is generated to wheel, reduces the setting of nozzle and diaphragm, greatly reduces production cost, reduce simultaneously
The loss of diaphragm.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
In figure：1, lower chamber；11, the first cavity；12, push rod；13, the first spring；14, outlet end；2, upper chamber；21、
Energy-stored spring；22, the second cavity；23, through-hole；24, fixed plate；25, telescopic rod；26, second spring；3, diaphragm.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：
Disc spring double brake gas chamber, including lower chamber 1 and the upper chamber 2 mounted on 1 top of lower chamber, lower chamber 1
Diaphragm 3 is installed between upper chamber 2, lower chamber 1 is internally provided with the first cavity 11, and diaphragm 3 is close to the first cavity 11 1
End is equipped with push rod 12, and the outside of push rod 12 is provided with the first spring 13, and the bottom of lower chamber 1 is provided with outlet end 14, diaphragm 3
It is slidably connected with the first cavity 11, push rod 12 and outlet end 14 are slidably connected, and the first spring 13 is in the shape of a spiral.
In the present embodiment, the diameter of the diameter of the outer wall of push rod 12 and the inner wall of outlet end 14 is equal, is conducive to push rod 12
When outlet end 14 moves, the air-tightness between push rod 12 and outlet end 14 can be ensured；Diaphragm 3 and the push rod 12 pass through solid
Determine gluing fixed to determine, is conducive to the movement for driving push rod 12 by the movement of diaphragm 3；First spring 13 is adopted as return spring,
Be conducive to drive the flexible and rebound of push rod 12 by the first spring 13, the side of push rod 12 connects brake arm, is conducive to pass through
Brake arm is adjusted in push rod 12.
The disc spring double brake gas chamber of the present embodiment in service brake, by foot brake valves Lai compressed air via through holes
23 enter inside the second cavity 22, and the pressure that compressed air generates acts on diaphragm 3 so that and diaphragm 3 is protruded to lower chamber 1,
And the first spring 13 is compressed, first push rod 12 is released by diaphragm 3, the pressure acted on diaphragm 3 passes through the first push rod 12
It acting on brake arm, braking moment is generated to wheel, begin when foot brake valves unclamp, compressed air stops entering, and at this time first
The elastic force of spring 13 is more than the downward thrust of diaphragm 3, rapidly withdraws the first push rod 12, brake arm return, releases to wheel
Braking moment is generated, service brake work is advantageously implemented.
Upper chamber 2 is internally provided with several energy-stored springs 21, and the bottom of energy-stored spring 21 is provided with the second cavity 22,
The side of second cavity 22 is provided with through-hole 23, and the inside of the second cavity 22 is equipped with fixed plate 24, and the bottom of fixed plate 24 is set
It is equipped with telescopic rod 25, the outside of telescopic rod 25 is provided with second spring 26,21 elastic connection of fixed plate 24 and energy-stored spring, through-hole
23 and second cavity 22 communicate, 24 seamless welding of telescopic rod 25 and fixed plate.
In the present embodiment, energy-stored spring 21 is butterfly spring, is uniformly successively decreased from inside to outside by disk spring stress distribution,
It can realize the effect of the 21 high balancing force of low row journey of energy-stored spring；Second spring 26 is damping spring, and second spring 26 is in spiral shell
Rotation shape is distributed in the outside of telescopic rod 25, is conducive to protect the flexible of telescopic rod 25 by second spring 26.
The disc spring double brake gas chamber of the present embodiment is in parking and emergency brake, by hand control valve so that the second cavity
Compressed air via through holes 23 inside 22 are fully drawn out, and energy-stored spring 21 also releases energy completely therewith at this time, energy-stored spring 21
It is expressed on 25 surface of telescopic rod, 25 stress of telescopic rod and diaphragm 3 is squeezed under the protection of second spring 26 at this time, it will
Push rod 12 ejects, and the pressure acted at this time on diaphragm 3 is acted on by the first push rod 12 on brake arm, and braking is generated to wheel
Torque is advantageously implemented parking and emergency brake.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within this claimed practicality
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (8)
1. disc spring double brake gas chamber, including lower chamber (1) and the upper chamber (2) at the top of the lower chamber (1),
It is characterized in that：Diaphragm (3), the inside of the lower chamber (1) are installed between the lower chamber (1) and the upper chamber (2)
It is provided with the first cavity (11), the diaphragm (3) is equipped with push rod (12), the push rod close to described first cavity (11) one end
(12) the first spring (13) is provided on the outside of, the bottom of the lower chamber (1) is provided with outlet end (14).
2. disc spring double brake gas chamber according to claim 1, it is characterised in that：The diaphragm (3) and described first
Cavity (11) is slidably connected.
3. disc spring double brake gas chamber according to claim 1, it is characterised in that：The push rod (12) and the outlet
End (14) is slidably connected.
4. disc spring double brake gas chamber according to claim 1, it is characterised in that：First spring (13) is helically
Shape.
5. disc spring double brake gas chamber according to claim 1, it is characterised in that：The inside of the upper chamber (2) is set
Several energy-stored springs (21) are equipped with, the bottom of the energy-stored spring (21) is provided with the second cavity (22), second cavity
(22) side is provided with through-hole (23), and the inside of second cavity (22) is equipped with fixed plate (24), the fixed plate
(24) bottom is provided with telescopic rod (25), and second spring (26) is provided on the outside of the telescopic rod (25).
6. disc spring double brake gas chamber according to claim 5, it is characterised in that：The fixed plate (24) and the storage
It can spring (21) elastic connection.
7. disc spring double brake gas chamber according to claim 5, it is characterised in that：The through-hole (23) and described second
Cavity (22) communicates.
8. disc spring double brake gas chamber according to claim 5, it is characterised in that：The telescopic rod (25) and described solid
Fixed board (24) seamless welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820336139.7U CN207921185U (en) | 2018-03-13 | 2018-03-13 | Disc spring double brake gas chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820336139.7U CN207921185U (en) | 2018-03-13 | 2018-03-13 | Disc spring double brake gas chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207921185U true CN207921185U (en) | 2018-09-28 |
Family
ID=63598470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820336139.7U Active CN207921185U (en) | 2018-03-13 | 2018-03-13 | Disc spring double brake gas chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207921185U (en) |
-
2018
- 2018-03-13 CN CN201820336139.7U patent/CN207921185U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Disc spring double -brake air chamber Effective date of registration: 20181221 Granted publication date: 20180928 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Jiashan county subbranch Pledgor: Zhejiang Sheng Hao Machinery Co., Ltd. Registration number: 2018990001245 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |