CN208360155U - A kind of thrust key and vacuum booster for vehicle brake - Google Patents
A kind of thrust key and vacuum booster for vehicle brake Download PDFInfo
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- CN208360155U CN208360155U CN201820371132.9U CN201820371132U CN208360155U CN 208360155 U CN208360155 U CN 208360155U CN 201820371132 U CN201820371132 U CN 201820371132U CN 208360155 U CN208360155 U CN 208360155U
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- thrust key
- thrust
- cushion rubber
- vacuum booster
- rubber layer
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Abstract
The utility model provides a kind of thrust key and vacuum booster for vehicle brake, wherein thrust key includes thrust key ontology, U-shaped, and insertion is mounted in the thrust key mounting hole of application valve body assembly；Cushion rubber layer, two for being separately positioned on thrust key ontology are impacted on face, every layer of cushion rubber layer with a thickness of the 8%~9% of the thrust key overall thickness.On the one hand since two faces that are impacted in thrust key have respectively vulcanized one layer of rubber, no matter the process of release returning quickly is implemented or is braked in braking, it has effectively buffered with the shock of control valve plunger and rear shell supporting surface to significantly reduce brake noise, driving and the comfort level of occupant is provided；On the other hand, due to by 8%~9% of push button overall thickness until the thickness limit of every layer of cushion rubber layer, both it had ensured and has not changed thrust key mounting hole, also ensure the use rigidity of thrust key, also ensure the wear life of cushion rubber layer, it prevents cushion rubber layer premature abrasion to finish, leads to the problem of brake noise again.
Description
Technical field
The utility model belongs to vacuum booster for vehicle brake technical field, and in particular to a kind of thrust key and automobile brake
Vacuum booster.
Background technique
Automobile vacuum booster is mainly by procapsid, diaphragm and diaphragm disc assembly, application valve body assembly, back casing assembly,
Shift fork composition is connected, wherein back casing assembly is connected and fixed by rear shell mounting screw with automobile dash board, application valve body assembly
It is connect by connection shift fork with brake pedal, pedal force is amplified according to different damped conditions and then realizes that vehicle has
Effect braking.
Thrust key as an essential important part in application valve body assembly, pacify by the thrust key across application valve body
Hole is filled, control valve plunger is blocked.Thrust key is mainly a kind of steel stamping part at present, when booster carries out fast braking, control
Valve plunger upper surface processed can encounter thrust key and issue metal strike sound, when braking discharges booster returning quickly, thrust key
Rear shell supporting surface can be impacted under the action of main return spring, the strike note of metal also be issued, as terminal client is to vehicle
Riding comfort is gradually increased, and has had more and more automakers while braking ability meets, to the braking
The metal strike noise generated in the process proposes strict requirements.
Utility model content
The utility model is to carry out in order to solve the above problem, is improved current thrust key, provides one
Kind can effectively eliminate brake and discharge the vacuum booster for vehicle brake thrust key of noise in brake process and stop comprising this
The vacuum booster for vehicle brake of push button.To achieve the goals above, the utility model provides following technical solution:
Vacuum booster for vehicle brake thrust key provided by the utility model has following technical characteristic: thrust key ontology,
U-shaped, insertion is mounted in the thrust key mounting hole of application valve body assembly；Cushion rubber layer is separately positioned on thrust key ontology
Two be impacted on face, every layer of cushion rubber layer with a thickness of the 8%~9% of the thrust key overall thickness.
In the utility model, cushion rubber layer thickness is according to the usually used time limit of vacuum booster for vehicle brake, thrust
Depending on the size of key mounting hole and general thrust key size, it should ensure not changing thrust key mounting hole, ensure to stop again
The use rigidity of push button, it is also to be ensured that the wear life of cushion rubber layer, prevents cushion rubber layer premature abrasion from finishing, again
Generate brake noise.
Preferably, in vacuum booster for vehicle brake thrust key provided by the utility model, cushion rubber layer is to vulcanize
Mode is arranged on thrust key ontology, it is ensured that the setting firmness of cushion rubber layer.
Preferably, in vacuum booster for vehicle brake thrust key provided by the utility model, thrust key with a thickness of
3.5mm, every layer of cushion rubber layer with a thickness of 0.3mm.The usual thickness of push button until 3.5mm, the inventor of this patent pass through
Many experiments finally determine cushion rubber layer with a thickness of 0.3mm, to meet above-mentioned requirements.
Further, the utility model additionally provides a kind of vacuum booster for vehicle brake, has such technical characteristic: tool
There is procapsid assembly；Back casing assembly is fixedly connected by rear shell mounting screw with automobile dash board；Diaphragm and diaphragm disk are total
At, procapsid assembly is set and space that back casing assembly is enclosed in；Application valve body assembly, pass through back casing assembly, one
The inside of back casing is arranged in part, and the outside of back casing is arranged in a part, and the position close to back casing inner wall is provided with control
Valve plunger processed is inserted with thrust key by the control valve plunger；Shift fork is connected, is arranged on application valve body assembly, will control
Valve body assembly is connect with brake pedal.Wherein, thrust key is aforementioned described in any item vacuum booster for vehicle brake thrust keys.
Further, in vacuum booster for vehicle brake thrust key provided by the utility model, thrust key closed end upward,
It is inserted vertically into and is arranged in the application valve body assembly.
The action and effect of utility model
According to vacuum booster for vehicle brake thrust key provided by the utility model and vacuum booster for vehicle brake, one
No matter aspect brakes implementation or braking release is quickly returned since two faces that are impacted in thrust key have respectively vulcanized one layer of rubber
The process of position has effectively been buffered with the shock of control valve plunger and rear shell supporting surface to significantly reduce brake noise,
The comfort level driven with occupant is provided；On the other hand, due to by push button overall thickness until the thickness limit of every layer of cushion rubber layer
8%~9%, both ensured and do not changed thrust key mounting hole, and also ensured the use rigidity of thrust key, also ensure buffering rubber
The wear life of glue-line, it is therefore prevented that cushion rubber layer premature abrasion finishes, and leads to the problem of brake noise again.
In addition, the utility model improves simply, improvement cost is low, realizes the small target for improving big effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the vacuum booster for vehicle brake in the utility model embodiment；
Fig. 2 is the structural schematic diagram of the ontrol valve assembly in the utility model embodiment；
Fig. 3 is the schematic perspective view of the vacuum booster for vehicle brake thrust key in the utility model embodiment；
Fig. 4 is the side view of the thrust key in the utility model embodiment.
Specific embodiment
The utility model is described in detail below with reference to embodiment and attached drawing.But the following example should not be regarded as to this
The limitation of utility model range.
Fig. 1 is the structural schematic diagram of the vacuum booster for vehicle brake in the utility model embodiment.
As shown in Figure 1, vacuum booster for vehicle brake 100 includes procapsid assembly 1, back casing assembly 2, diaphragm and diaphragm
Disc assembly 3, application valve body assembly 4 and connection shift fork 5.
Procapsid assembly 1 and back casing assembly 2 are sealingly mounted at together；Back casing assembly 2 by rear shell mounting screw with
Automobile dash board is fixedly connected；The sky that procapsid assembly 1 and back casing assembly 2 are enclosed is arranged in diaphragm and diaphragm disc assembly 3
In；Application valve body assembly 3 passes through back casing assembly, and the inside of back casing is arranged in a part, and a part is arranged in back casing
Outside, the position of back casing inner wall is provided with control valve plunger, is inserted with thrust key 6 by the control valve plunger；
It connects shift fork 5 to be arranged on application valve body assembly 3, application valve body assembly is connect with brake pedal.
Fig. 2 is the structural schematic diagram of the ontrol valve assembly in the utility model embodiment.
As depicted in figs. 1 and 2, application valve body assembly 4 is located at the part on the inside of back casing in gradually large size, is located at hull outside
Segment outer radius it is consistent, be in the form of a column, the exterior portion be internally provided with connect shift fork 6 connection input shaft 41, be socketed in it is defeated
Enter the plunger 42 on the axis other end.Thrust key 6 is inserted into the junction that internal and external parts is arranged in, and blocks plunger 42.
Fig. 3 is the schematic perspective view of the vacuum booster for vehicle brake thrust key in the utility model embodiment；Fig. 4
It is the side view of the thrust key in the utility model embodiment.
As shown in Figure 3 and Figure 4, thrust key 6 includes that U-shaped thrust key ontology 61 and vulcanization are arranged in thrust key ontology
Two cushion rubber layers 62 being impacted on face.Every layer of cushion rubber layer with a thickness of the thrust key overall thickness 8%~
9%.
Cushion rubber layer thickness is according to the usually used time limit of vacuum booster for vehicle brake, the size of thrust key mounting hole
And depending on general thrust key size, should ensure not changing thrust key mounting hole, ensure the use rigidity of thrust key again,
It is also to be ensured that the wear life of cushion rubber layer, prevents cushion rubber layer premature abrasion from finishing, brake noise is generated again.
At present general steel thrust key with a thickness of 3.5mm, it then follows minimum improves principle, this implementation is still by thrust key
Overall thickness is maintained at that 3.5mm is constant, finally determined by many experiments cushion rubber layer with a thickness of 0.3mm, it is above-mentioned to meet
It is required that.
According to vacuum booster for vehicle brake thrust key provided in this embodiment and vacuum booster for vehicle brake, a side
Implementation or braking release returning quickly no matter are braked since two faces that are impacted in thrust key have respectively vulcanized one layer of rubber in face
Process, buffered the shock with control valve plunger and rear shell supporting surface effectively to significantly reducing brake noise, mentioned
For driving the comfort level with occupant；On the other hand, due to by push button overall thickness until the thickness limit of every layer of cushion rubber layer
8%~9%, it had both ensured and has not changed thrust key mounting hole, and also ensured the use rigidity of thrust key, also ensure yielding rubber
The wear life of layer, it is therefore prevented that cushion rubber layer premature abrasion finishes, and leads to the problem of brake noise again.
In addition, the present embodiment improves simply, improvement cost is low, realizes the small target for improving big effect.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by appended claims and its equivalent.
Claims (5)
1. a kind of vacuum booster for vehicle brake thrust key, is mounted in the application valve body assembly of automobile vacuum booster, special
Sign is, comprising:
Thrust key ontology, U-shaped, insertion is mounted in the thrust key mounting hole of the application valve body assembly；
Cushion rubber layer, two for being separately positioned on the thrust key ontology are impacted on face, every layer of cushion rubber layer
With a thickness of the 8%~9% of the thrust key overall thickness.
2. vacuum booster for vehicle brake thrust key according to claim 1, it is characterised in that:
Wherein, the cushion rubber layer is arranged on the thrust key ontology with vulcanization.
3. vacuum booster for vehicle brake thrust key according to claim 1, it is characterised in that:
Wherein, the thrust key with a thickness of 3.5mm, every layer of cushion rubber layer with a thickness of 0.3mm.
4. a kind of vacuum booster for vehicle brake comprising:
Procapsid assembly；
Back casing assembly is fixedly connected by rear shell mounting screw with automobile dash board；
Diaphragm and diaphragm disc assembly are arranged in the space that the procapsid assembly and the back casing assembly are enclosed；
Application valve body assembly passes through the back casing assembly, and the inside of the back casing is arranged in a part, and a part setting exists
The outside of the back casing, the position close to the back casing inner wall are provided with control valve plunger, insertion by the control valve plunger
It is provided with thrust key；
Shift fork is connected, is arranged on the application valve body assembly, the application valve body assembly is connect with brake pedal,
Wherein, the thrust key is the described in any item vacuum booster for vehicle brake thrust keys of claims 1 to 3.
5. vacuum booster for vehicle brake according to claim 4, it is characterised in that:
Wherein, the thrust key closed end upward, is inserted vertically into and is arranged in the application valve body assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371132.9U CN208360155U (en) | 2018-03-19 | 2018-03-19 | A kind of thrust key and vacuum booster for vehicle brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371132.9U CN208360155U (en) | 2018-03-19 | 2018-03-19 | A kind of thrust key and vacuum booster for vehicle brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208360155U true CN208360155U (en) | 2019-01-11 |
Family
ID=64922175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371132.9U Active CN208360155U (en) | 2018-03-19 | 2018-03-19 | A kind of thrust key and vacuum booster for vehicle brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208360155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254409A (en) * | 2019-07-03 | 2019-09-20 | 宁国市普萨斯密封技术有限公司 | A kind of automobile booster lock |
-
2018
- 2018-03-19 CN CN201820371132.9U patent/CN208360155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254409A (en) * | 2019-07-03 | 2019-09-20 | 宁国市普萨斯密封技术有限公司 | A kind of automobile booster lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201814 Shanghai city Anting town Jiading District Bai'an Road No. 188 Patentee after: ZF Automotive Systems (Shanghai) Co., Ltd Address before: 201814 Shanghai city Anting town Jiading District Bai'an Road No. 188 Patentee before: TIANHE AUTOMOBILE PARTS (SHANGHAI) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |