CN209191927U - A kind of vacuum booster reducing backhaul noise - Google Patents
A kind of vacuum booster reducing backhaul noise Download PDFInfo
- Publication number
- CN209191927U CN209191927U CN201821967223.5U CN201821967223U CN209191927U CN 209191927 U CN209191927 U CN 209191927U CN 201821967223 U CN201821967223 U CN 201821967223U CN 209191927 U CN209191927 U CN 209191927U
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- China
- Prior art keywords
- valve
- locking plate
- valve body
- component
- rubber
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- Braking Systems And Boosters (AREA)
Abstract
The utility model relates to a kind of vacuum boosters for reducing backhaul noise, belong to brake system of car field.Sealing coil component is riveted together with back casing, valve rod spring abutment, valve rod return spring, rubber valve seat, rubber valve member, rubber valve spring, air valve base are sequentially sleeved on valve rod, and pass through the riveting composition control valve member of air valve base and valve rod, it controls in valve member insertion valve body, and it is inserted by locking plate component in the locking plate slot of valve body, three is fixed into an entirety, valve body insertion seals in coil component, and the contact for passing through locking plate component and sealing coil component limits.Utility model has the advantages that structure novel, reduces vacuum booster assembly in return, and the shock abnormal sound of locking plate and sealing coil component and valve body, the requirement suitable for different automobile types to return abnormal sound；Better driving comfort sense is provided, while there is good cost performance.
Description
Technical field
The utility model belongs to brake system of car field, refers in particular to a kind of vacuum servo that can reduce backhaul noise
Device.
Background technique
Vacuum booster is the brake power assist unit in brake system of car, is vapour for assisting driver to brake
Critical component in vehicle braking system.The working principle of vacuum booster is when driver's brake pedal, in booster
Atmosphere chamber generate pressure difference relative to vacuum chamber to realizing braking.When loosening the brake, booster cancels braking, opens
Beginning return, in return trip, locking plate and sealing coil component and valve body generate shock respectively, close since locking plate is metal material
Seal component is the metallic framework for covering rubber layer, and sealing coil component and locking plate contact position rubber are relatively thin, if vacuum booster
Opening speed is too fast, and locking plate also generates shock with valve body while locking plate and sealing coil component generate shock, and it is whole to influence driver
Subjective feeling when vehicle is braked, reduces the comfort of driver, this strike note is often judged as the abnormal sound of product, because of shadow
The quality of product is rung.
Summary of the invention
The utility model provides a kind of vacuum booster for reducing backhaul noise, cancels braking in return to solve booster
In the process, locking plate and sealing coil component and valve body generate shock, the problem of abnormal sound occur.
The technical solution of the utility model is: sealing coil component is riveted together with back casing, and valve rod spring abutment, valve rod reverse
Spring, rubber valve seat, rubber valve member, rubber valve spring, air valve base are sequentially sleeved on valve rod, and pass through air valve base and valve rod
Riveting composition control valve member, control valve member insertion valve body in, and by locking plate component be inserted into valve body locking plate slot in, will
Three is fixed into an entirety, and valve body insertion seals in coil component, is limited by the contact of locking plate component and sealing coil component, Gu
Determine valve body, guard ring and valve body tail end to be engaged, and limit return spring together with procapsid, by the drag of return spring, by valve
Body shifts rigging position onto, and is riveted by front and rear housings, and all components are fixed into an entirety, in the assembled condition, leads to
Return spring effect of elastic resistance is crossed, locking plate component is in close contact with sealing coil component and valve body respectively；
There are locking plate slot left side, locking plate slot right side in the valve body；
There is rubber buffer annulus on the sealing coil component；
There is locking plate component glue-line on the locking plate component.
Utility model has the advantages that structure novel, increases rubber layer on former locking plate, locking plate component is become；
In sealing coil component and locking plate component contact position, increase rubber buffer annulus.Compared with conventional vacuum booster assembly, drop
For low vacuum booster assembly in return, the shock abnormal sound of locking plate and sealing coil component and valve body is suitable for different automobile types pair
The requirement of return abnormal sound；Better driving comfort sense is provided；Blocking criteria design, can be applied to various types vacuum booster
On assembly, the original performance of vacuum booster assembly is not influenced, while there is good cost performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model valve body；
Fig. 3 is the structural schematic diagram of the utility model sealing coil component；
Fig. 4 is the structural schematic diagram of the utility model locking plate component；
Fig. 5 is the A-A cross-sectional view of Fig. 4；
In figure, procapsid 1, return spring 2, guard ring 3, valve body 4, back casing 5, locking plate component 6, air valve base 7, sealing ring portion
Part 8, rubber valve member 9, rubber valve spring 10, rubber valve seat 11, valve rod return spring 12, valve rod spring abutment 13, valve rod 14, locking plate slot are left
Side 401, locking plate slot right side 402, rubber buffer annulus 801, locking plate component glue-line 601.
Specific embodiment
Sealing coil component 8 is riveted together with back casing 5, valve rod spring abutment 13, valve rod return spring 12, rubber valve seat 11, rubber
Glue valve member 9, rubber valve spring 10, air valve base 7 are sequentially sleeved on valve rod 14, and pass through the riveting of air valve base 7 and valve rod 14
Composition control valve member is connect, control valve member is inserted into valve body 4, and is inserted into the locking plate slot of valve body 4 by locking plate component 6, will
Three is fixed into an entirety, and the insertion of valve body 4 seals in coil component 8, and the contact for passing through locking plate component 6 and sealing coil component 8 limits
Position, fixed valve body 4, guard ring 3 and 4 tail end of valve body are engaged, and limit return spring 2 together with procapsid 1, pass through return spring 2
Drag, shift valve body 4 onto rigging position, and rivet by front and rear housings 5, all components be fixed into an entirety,
Under assembled state, by 2 effect of elastic resistance of return spring, locking plate component 6 is in close contact with sealing coil component 8 and valve body 4 respectively；
There are locking plate slot left side 401, locking plate slot right side 402 in valve body 4；
There is rubber buffer annulus 801 on sealing coil component 8；
There is locking plate component glue-line 601 on locking plate component 6.
The utility model vacuum booster assembly is to increase rubber layer on former locking plate, becomes locking plate component 6；Close
Seal component 8 and 6 contact position of locking plate component increase rubber buffer annulus 801, and locking plate component 6 is first and on sealing coil component 8
Rubber buffer annulus 801 contacts, and reduces locking plate component 6 by the buffering of rubber buffer annulus 801 and seals the shock of coil component 8
Speed, while the metal of locking plate is changed to lock by the rubber thickness for increasing sealing coil component 8 and 6 contact position of locking plate component simultaneously
The rubber of chip part 6, the shock abnormal sound of reduction locking plate component 6 and sealing coil component 8, while locking plate component 6 are with valve body 4 by original
Metal and plastic contacts, be changed to rubber and plastic contacts, reduce the shock abnormal sound of locking plate component and valve body.
When operating, valve body 4 moves forward, the not responsive to axial force by valve body 4, while and sealing ring of locking plate component 6
Component 8 and locking plate component 6 are detached from.When the rapid backhaul of booster, locking plate component 6 is acted on through air valve base 7, with 4 locking plate of valve body
Slot right side 402 contacts, and vacuum valve port is opened, and atmosphere valve port is closed.Effect through return spring 2, valve body 4 drive locking plate component 6
Rapid return, locking plate component 6 are first contacted with rubber buffer annulus 801 on sealing coil component 8, are buffered through rubber buffer annulus 801
Afterwards, locking plate component 6 is fitted closely with sealing coil component 8, and due to excessive velocities, locking plate component 6 and sealing coil component 8, generation is hit
Sound is hit, but after sealing 8 buffering ring band of coil component buffering, lower noise；After locking plate component 6 is contacted with sealing coil component 8,
Locking plate component 6 no longer moves, and return spring 2 continues to act on valve body 4 at this time, pushes valve body 4 to move forward, final 4 locking plate of valve body
Slot left side is contacted with the locking chip part glue-line 601 of locking plate component 6, and due to excessive velocities, locking plate component 6 is hit with the generation of valve body 4
It hits, generates strike note, after locking plate component 6 locks the buffering of chip part glue-line 601, lower noise.When locking plate component 6 and valve body 4
When locking plate slot left side 401 contacts, assembled state is returned to.
Claims (4)
1. a kind of vacuum booster for reducing backhaul noise, it is characterised in that: sealing coil component is riveted together with back casing, valve
Pole spring seat, valve rod return spring, rubber valve seat, rubber valve member, rubber valve spring, air valve base are sequentially sleeved on valve rod, and lead to
The riveting composition control valve member of air valve base and valve rod is crossed, control valve member is inserted into valve body, and is inserted by locking plate component
In the locking plate slot of valve body, three is fixed into an entirety, valve body insertion seals in coil component, passes through locking plate component and sealing ring
The contact of component limits, and fixed valve body, guard ring and valve body tail end are engaged, and return spring is limited together with procapsid, pass through
The drag of return spring is shifted valve body onto rigging position, and is riveted by front and rear housings, by all components be fixed into one it is whole
Body, in the assembled condition, by return spring effect of elastic resistance, locking plate component is in close contact with sealing coil component and valve body respectively.
2. a kind of vacuum booster for reducing backhaul noise according to claim 1, it is characterised in that: have in the valve body
Locking plate slot left side, locking plate slot right side.
3. a kind of vacuum booster for reducing backhaul noise according to claim 1, it is characterised in that: the sealing ring portion
There is rubber buffer annulus on part.
4. a kind of vacuum booster for reducing backhaul noise according to claim 1, it is characterised in that: the locking plate component
On have locking plate component glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967223.5U CN209191927U (en) | 2018-11-27 | 2018-11-27 | A kind of vacuum booster reducing backhaul noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967223.5U CN209191927U (en) | 2018-11-27 | 2018-11-27 | A kind of vacuum booster reducing backhaul noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209191927U true CN209191927U (en) | 2019-08-02 |
Family
ID=67426188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821967223.5U Active CN209191927U (en) | 2018-11-27 | 2018-11-27 | A kind of vacuum booster reducing backhaul noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209191927U (en) |
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2018
- 2018-11-27 CN CN201821967223.5U patent/CN209191927U/en active Active
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