CN209467125U - A kind of suspension type foot brake valves with three gear Hall switch - Google Patents
A kind of suspension type foot brake valves with three gear Hall switch Download PDFInfo
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- CN209467125U CN209467125U CN201822248871.1U CN201822248871U CN209467125U CN 209467125 U CN209467125 U CN 209467125U CN 201822248871 U CN201822248871 U CN 201822248871U CN 209467125 U CN209467125 U CN 209467125U
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Abstract
The utility model discloses a kind of suspension type foot brake valves with three gear Hall switch, including upper housing, lower case, upper piston component, lower piston component and Hall switch component, the top of upper housing are equipped with upper end cover, and upper end cover is equipped with mandril.Upper piston component is located at the inside upper part of upper housing comprising upper outer piston, upper inner piston and spring assembly.Lower piston component is located at the lower inside of upper housing, including lower outer piston and lower inner piston.Upper outer piston side is equipped with magnet, and magnet is moved synchronously with upper outer piston.Hall switch component includes side body, Hall switch, circuit board and circuit socket, and side body is fixed on the upper outside of upper housing.There are three Hall switch, is sequentially arranged from top to bottom, and all Hall switch are and circuit board electrical connection.The utility model height dimension reduces, and is easily installed, and reduces pedal force, improves driver comfort, has pressure-limiting function, simplifies topology layout, and manufacturing cost reduces.
Description
Technical field
The utility model relates to automobile brake control technology fields, and in particular to a kind of suspension with three gear Hall switch
Formula foot brake valves, applied to the vehicle for having electric eddy speed reducer.
Background technique
Existing three position switch foot brake valves are that microswitch component and pedal assembly are superimposed on conventional basic valve, whole
A assembly height dimension is bigger than normal, can only be assemblied on the floor in vehicle drive room, it is desirable that installation space it is larger, and for
The lesser assembly space of installation space or the application for needing to assemble suspension type foot brake valves, such as pedal integrated unit, then not
It can be applicable in.Steering force needed for existing conventional brake valve is larger, and driver is easy fatigue in driving procedure, and driver comfort needs
It improves.
The conventional brake valve of existing three position switch brake valve do not have pressure-limiting function, in full application of brake, output pressure with
Input air pressure is identical, and Vehicular system air pressure promotion is restricted.Existing three position switch retarder foot valve is individual by three
Microswitch is composed, and needs the position for adjusting each microswitch respectively to reach three switches respectively in specified position
It sets and is successively opened.Since to open ranges smaller for three switches, it is relatively difficult in specified position to adjust three microswitches, needs
Consume many times.Therefore, the prior art needs further to be developed.
Utility model content
In view of the above shortcomings of the prior art, the purpose of this utility model is that proposing a kind of with three gear Hall switch
Suspension type foot brake valves, solve that three position switch foot brake valves sizes are bigger than normal, installation is inconvenient, and pedal force is bigger than normal, three microswitches
Signal Regulation is difficult, driver comfort is poor, and does not have pressure-limiting function, causes Vehicular system air pressure promotion to be restricted etc. and asks
Topic.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is
It is a kind of with three gear Hall switch suspension type foot brake valves, including upper housing, lower case, upper piston component, under
Piston component and Hall switch component, the lower end of the upper housing and the upper end of lower case are fixedly linked, and set at the top of upper housing
There is upper end cover.Upper piston component is located at the inside upper part of upper housing comprising upper outer piston, upper inner piston and spring assembly, on
Inner piston is located at the inside of outer piston.The inside of upper outer piston is equipped with mandril, and top and the upper end cover of mandril are slidably matched.Under
The lower inside of upper housing is arranged in piston component comprising lower outer piston and lower inner piston.The side of upper outer piston passes through guarantor
It holds and is provided with magnet, magnet is synchronous with outer piston under the drive of retainer to move up and down.Hall switch component include side body,
Hall switch, circuit board and circuit socket, side body are fixed on the upper outside of upper housing.There are three Hall switch, You Shangxiang
Under be sequentially arranged in side body, all Hall switch with circuit board electrical connection, circuit board by circuit socket export telecommunications
Number.
Preferably, the side of upper outer piston and retainer, which are nested, installs, and the guide groove of retainer and upper end cover slides
Cooperation.The magnet is vertically arranged, and the upper end of magnet and retainer are nested, the motion path of magnet and three Hall switch
Forward direction is corresponding.
Preferably, the outer wall of the upper outer piston and upper housing are slidingly sealed cooperation, and mandril heat, which is full of, is fitted in outer piston
Upper inner.Piston guide set is fixed in the middle part of the upper housing, the lower end of upper inner piston and piston guide set sliding are close
Envelope cooperation.The upper end of upper inner piston has outside flange, is slidingly sealed cooperation on the inside of the side wall of flange and upper outer piston,
The lower inside of upper outer piston has inwardly protruded limiting section, and limiting section is located at the lower section of upper inner piston flange.
Preferably, the spring assembly includes the first spring, second spring and third spring, the first spring, second spring
It is arranged at the inside of inner piston, second spring covers in the outside of the first spring.Third spring setting upper inner piston with it is upper
Between shell, the upper end is contacted with upper outer piston, and lower end is contacted with piston guide set.
Preferably, upper valve member is equipped between upper and lower piston component, upper valve member includes upper valve seat and upper valve
Door.Upper valve seat and upper housing fixing seal cooperate, and inside is slidably matched with lower inner piston.Upper valve is located at valve seat
The lateral wall of upper end, outside and upper valve seat is slidingly sealed cooperation, and inside and lower inner piston are slidingly sealed cooperation.The upper valve
The 4th spring is equipped between door and lower inner piston.
Preferably, there is enterprising air cavity between upper housing and upper valve, there is upper discharge chamber, enterprising air cavity inside upper housing
It can be connected by upper valve with upper discharge chamber.There is cavity, the cavity is logical between the upper surface and upper housing of lower outer piston
It crosses and is provided with the intracorporal venthole of upper casing and is communicated with upper discharge chamber.
Preferably, the lateral wall of lower outer piston and the inner sidewall of upper housing lower part are slidingly sealed cooperation, and lower outer piston is under
The 5th spring is equipped between shell.Lower inner piston is located at the inside of lower outer piston, and lower outer piston is slidingly sealed with lower inner piston matches
It closes, lower inner piston can be driven to move downward.
Preferably, the inside of lower case is equipped with lower valve door component, and lower valve door component includes lower valve gate seat and lower valve.Lower valve
Gate seat and lower case fixing seal cooperate, and lower end is connected with silencer.Lower valve is located at the upper end of lower valve gate seat, and and lower valve
Two lateral walls of gate seat are slidingly sealed cooperation, and the outside of lower valve gate seat is equipped with the 6th spring.
Preferably, there is lower inlet chamber between lower case and lower valve, lower exhaust is equipped between lower case and lower outer piston
Chamber, lower inlet chamber can be connected by lower valve with lower discharge chamber.
By using preceding solution, the advantageous effects of the utility model are: three gear disclosed by the utility model
It is smaller and for suspension type foot brake valves form to switch automatically controlled foot brake valves overall height dimension, is applicable in and is mounted on various applied fields
It closes.The form of existing microswitch component is substituted in the form of Hall switch component, to control subsequent slow unlatching, peace
Dress is convenient, and longer life expectancy, reliability is higher, and valve body and switch block are the non-uses that is engaged, and does not need electric signal output such as,
Switch block can be taken away, basic valve body normal use.Suspension type foot brake valves disclosed by the utility model reduce pedal
Power improves driver comfort.The automatically controlled foot brake valves of three position switch have pressure-limiting function, and hyperbar input, low gas may be implemented
Pressure output, Vehicular system boost in pressure, dog point maximum braking pressure can be restricted to the pressure value needed, reduce pressure limiting valve and phase
The connector answered simplifies pipe-line layout, reduces cost.
Detailed description of the invention
Fig. 1 is a kind of principle schematic diagram of suspension type foot brake valves with three gear Hall switch.
Fig. 2 is a kind of schematic cross-sectional view in a certain section of suspension type foot brake valves with three gear Hall switch.
Fig. 3 is a kind of schematic cross-sectional view in another section of suspension type foot brake valves with three gear Hall switch.
Fig. 4 is the structural schematic diagram of certain a part in Fig. 1, thus it is shown that Hall switch component.
Fig. 5 is the structural schematic diagram of another part in Fig. 1, thus it is shown that upper end cover.
Fig. 6 is structural schematic diagram a part of again in Fig. 1, thus it is shown that retainer.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing:
In conjunction with Fig. 1 to Fig. 6, a kind of suspension type foot brake valves with three gear Hall switch, including upper housing 11, lower case
12, upper piston component 2, lower piston component 3 and Hall switch component 4, the lower end of the upper housing 11 and the upper end of lower case 12
It is fixedly linked, the top of upper housing 11 is equipped with upper end cover 13.Upper piston component 2 is located at the inside upper part of upper housing 11 comprising
Upper outer piston 21, upper inner piston 22 and spring assembly, upper inner piston 22 are located at the inside of outer piston 21.Upper outer piston 21
Inside is equipped with mandril 14, and top and the upper end cover 13 of mandril 14 are slidably matched.It is close that the lateral wall of the mandril 14 is equipped with lip shape
Seal 15, mandril 14 are cooperated by the lip-type packing 15 and the sealing of upper end cover 13.
The side of upper outer piston 21 is equipped with magnet 16 described in magnet 16 and is vertically arranged, and the upper end passes through retainer 17 and upper outer
The upper end of piston 21 is fixedly linked, and 17 semicircular in shape of retainer and is nested with upper 21 gap of outer piston, while retainer 17
It being mounted in the guide groove 131 of upper end cover 13, upper outer piston 21 can only drive 17 vertical motion of retainer and cannot rotate,
Magnet 16 moves up and down by the way that retainer 17 is synchronous with upper outer piston 21.Hall switch component 4 includes side body 41, Hall switch
42, circuit board 43 and circuit socket 44, side body 41 are fixed on the upper outside of upper housing 11.There are three Hall switch 42, and three
A Hall switch 42 is sequentially arranged in from top to bottom in side body 41, and all Hall switch 42 are electrically connected with circuit board 43, electricity
Road plate 43 exports electric signal by circuit socket 44.The magnet 16 is vertically arranged, and the upper end and retainer 17 are nested,
The vertical motion track of magnet 16 is positive corresponding with three Hall switch 42.Under the action of mandril 14 is by pedal force, mandril 14
It being moved downwardly together with outer piston 21, outer piston 21 is moved downward with moving magnet 16, during magnet moves down, Hall switch week
The magnetic field strength enclosed from top to bottom gradually increases, and reaches the conduction threshold of Hall switch, and then circuit loop is connected.Hall switch
The position that component 4 exports in structure according to product switching signal, sets the position distribution of three Hall switch 42 in height.
With the increasing of pedal angle, three Hall switch 42 are successively opened, and this switching signal is transmitted to the electronics of circuit board
Circuit processing system.This three roads electric signal connects the contactless brake efficiency of generation of retarder, carries out auxiliary braking.
Hall switch component 4 has contactless, low-power consumption, long life, response frequency high, highly sensitive and lower function
It is the features such as consumption, internal that integralization is filled using epoxy resin envelope, it can reliably work under all kinds of adverse circumstances.Hall switch
Component 4 controls retarder and starts to work, and the speed of vehicle is slowed or stopped.Hall switch component 4 also has the function of other two,
One of them is to make vehicle derailing cruise mode in cruise control.Another function is to open brake lamp, to remind it
His vehicle vehicle is slowing down or is stopping.
The outer wall and upper housing 11 of the upper outer piston 21 are slidingly sealed cooperation, and 14 interference of mandril is fitted in outer piston 21
Upper inner.The middle part of the upper housing 11 is fixed with piston guide set 18, the lower end of upper inner piston 22 and piston guide set
18 are slidingly sealed cooperation.The upper end of upper inner piston 22 has outside flange, the inside of the side wall of flange and upper outer piston 21
It is slidingly sealed cooperation, the lower inside of upper outer piston 21 has inwardly protruded limiting section, and limiting section is located at upper 22 flange of inner piston
Lower section.The spring assembly includes the first spring 23, second spring 24 and third spring 25, the first spring 23, second spring
24 are arranged at the inside of inner piston 22,24 sets of the second spring outsides in the first spring 23.Third spring 25 is arranged upper
Between inner piston 22 and upper housing 11, the upper end of third spring 25 is contacted with upper outer piston 21, lower end and piston guide set 18
Contact.Mandril 14 is driven upper outer piston 21 to move downward by the effect of pedal force, and upper outer piston 21 passes through 23 He of the first spring
Second spring 24 drives upper inner piston 22 to move downward, and after pedal force releases, third spring 25 drives upper outer piston 21 fortune upwards
Dynamic, upper 21 limiting section of outer piston drives upper inner piston 22 to move upwards.
Lower piston component 3 is located at the lower section of upper piston component 2, and the lower inside of upper housing 11 is arranged in lower piston component 3,
It includes lower outer piston 31 and lower inner piston 32.The lateral wall of lower outer piston 31 and the inner sidewall of 11 lower part of upper housing are slidingly sealed
Cooperation, lower outer piston 31 can move up and down relative to upper housing 11.Have between the upper surface and upper housing 11 of lower outer piston 31
Cavity 9, cavity 9 is by the venthole 91 that is provided on upper housing 21, with 62 phase of upper discharge chamber being provided in upper housing 11
It is logical.Lower outer piston 31 is moved downward by the gas pressure in cavity 9, and the is equipped between the lower outer piston 31 and lower case 12
Five springs 33, when lower outer piston 31 is moved downward by the gas pressure in cavity 9, the 5th spring 33 is compressed, and works as outer piston
After 31 are released by the gas pressure in cavity 9, lower outer piston 31 moves upwards under the action of the 5th spring 33.It is living in lower
Plug 32 is located at the inside of lower outer piston 31, and lower outer piston 31 is slidingly sealed cooperation with lower inner piston 32, and lower outer piston 31 can drive
Lower inner piston 32 moves downward.
Upper valve member 5 is equipped between upper piston component 2 and lower piston component 3, upper valve member 5 includes upper valve seat 51
And upper valve 52.The inner sidewall fixing seal of upper valve seat 51 and upper housing 11 cooperates, the inside of upper valve seat 51 and lower interior work
Plug 32 is slidably matched.Upper valve 52 is located at the upper end of valve seat 51, and outside and the lateral wall of upper valve seat 51 are slidingly sealed
Cooperation, inside and lower inner piston 32 are slidingly sealed cooperation.The 4th spring is equipped between the upper valve 52 and lower inner piston 32
53.There is enterprising air cavity 61, enterprising air cavity 61 is upper on 11 side wall of upper housing by being located between upper housing 11 and upper valve 52
Inlet charge, is equipped with upper discharge chamber 62 in upper housing 11, and upper discharge chamber 62 passes through the upper exhaust that is located on 11 side wall of upper housing
Mouth outlet, the enterprising air cavity 61 can be connected by the upper exhaust valve between upper valve 52 and upper housing 11 with upper discharge chamber 62
It is logical.There is cavity, the cavity is communicated with upper discharge chamber 62 between the upper surface and upper housing 11 of lower outer piston 31.
Vehicle is before braking, and when upper inner piston 22 is not contacted with upper valve 52, upper 52 top of valve is contacted with upper housing 11,
Upper exhaust valve closing.Vehicle in braking, mandril 14 by pedal force, mandril 14, upper outer piston 21, upper inner piston 22 together to
Lower movement, when upper inner piston 22 contacts with upper valve 52 and upper valve 52 is driven to move downward, upper exhaust valve is opened, enterprising air cavity
61 compressed air enters upper discharge chamber 62 through upper exhaust valve, and the compressed air of upper discharge chamber 62 enters the first system through upper exhaust outlet
Dynamic pipeline.Vehicle release braking when, under the double action of the gas pressure and spring assembly of upper discharge chamber 62, mandril 14, on
Outer piston 21, upper inner piston 22 move upwardly together, and after the active force of upper inner piston 22 is eliminated, upper valve 52 is in the 4th bullet
It is moved upwards under the action of spring 53 and upper housing 11, upper exhaust valve closing.
The inside of lower case 12 is equipped with lower valve door component 7, and lower valve door component 7 includes lower valve gate seat 71 and lower valve 72.Under
Valve seat 71 and 12 fixing seal of lower case cooperate, and the lower end of lower valve gate seat 71 is connected with silencer 10.Lower valve 72 is socketed in
The upper end of lower valve gate seat 71, and it is slidingly sealed cooperation with the lateral wall of lower valve gate seat 71, the outside of lower valve gate seat 71 is equipped with the 6th
Spring 73.There is lower inlet chamber 81, lower inlet chamber 81 is by being located at 12 side wall of lower case between lower case 12 and lower valve 72
Lower inlet charge is equipped with lower discharge chamber 82 between lower case 12 and lower outer piston 31, lower discharge chamber 82 is by being located at lower case
The lower exhaust outlet air inlet of 12 side walls, lower inlet chamber 82 can pass through lower exhaust valve between lower valve 72 and lower case 12 and lower exhaust
Chamber 82 is connected.
Vehicle in braking, transported downwardly together by pedal force, mandril 14, upper outer piston 21, upper inner piston 22 by mandril 14
Dynamic, upper exhaust valve is opened, and the compressed air of enterprising air cavity 61 enters upper discharge chamber 62, the compression of upper discharge chamber 62 through upper exhaust valve
Air enters the first brake piping through upper exhaust outlet.The compressed air of upper discharge chamber 62 while the ventilation by being provided with upper housing
Hole 91 enters cavity 9, and outer piston 31, lower inner piston 32 and lower valve 72 move downward under the compressed air-driven in cavity, under
Exhaust valve is opened, and the high pressure gas in lower inlet chamber 81 enters lower discharge chamber 82, the compression of lower discharge chamber 82 by lower exhaust valve
Air enters the second brake piping through lower exhaust outlet.When upper valve member 5 or the first brake piping fail, upper outer piston 21 can
Upper inner piston 22 is driven to move downward by the first spring 23, second spring 24, upper inner piston 22 drives lower inner piston 32 downwards
Movement, lower inner piston 32 drive lower valve 72 to move downward, and lower exhaust valve are opened, under the compressed air in lower inlet chamber 81 enters
Discharge chamber 82.
In full application of brake, upper outer piston is limited by casing step, and output pressure is limited at this time, can be according to two bullets of setting
Spring force, to determine air pressure size when output.
The automatically controlled foot brake valves overall height dimension of three position switch disclosed by the utility model is smaller and is suspension type foot brake
Valve form is applicable in and is mounted on various applications.Existing microswitch component is substituted in the form of Hall switch component
Form, to control subsequent slow unlatching, easy for installation, longer life expectancy, reliability is higher, and valve body is non-contact with switch block
It is used cooperatively, does not need electric signal output such as, switch block can be taken away, basic valve body normal use.The utility model is public
The suspension type foot brake valves opened reduce pedal force, improve driver comfort.The automatically controlled foot brake valves of three position switch have pressure limiting
Function, may be implemented hyperbar input, low pressure output, and Vehicular system boost in pressure, dog point maximum braking pressure can limit
To the pressure value of needs, pressure limiting valve and corresponding connector are reduced, simplifies pipe-line layout, reduces cost.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (9)
1. a kind of suspension type foot brake valves with three gear Hall switch, including upper housing, lower case, upper piston component, lower work
Plug assembly and Hall switch component, which is characterized in that the lower end of the upper housing and the upper end of lower case are fixedly linked, upper housing
Top be equipped with upper end cover；
Upper piston component is located at the inside upper part of upper housing comprising upper outer piston, upper inner piston and spring assembly, upper inner piston
It is located at the inside of outer piston；
The inside of upper outer piston is equipped with mandril, and top and the upper end cover of mandril are slidably matched；
The lower inside of upper housing is arranged in lower piston component comprising lower outer piston and lower inner piston；The side of upper outer piston
It is equipped with magnet by retainer, magnet is synchronous with outer piston under the drive of retainer to move up and down；
Hall switch component includes side body, Hall switch, circuit board and circuit socket, and side body is fixed on the top of upper housing
Outside；
There are three Hall switch, is sequentially arranged in side body from top to bottom, all Hall switch and circuit board electrical connection, electricity
Road plate exports electric signal by circuit socket.
2. a kind of suspension type foot brake valves with three gear Hall switch according to claim 1, which is characterized in that upper outer
The side of piston and retainer, which are nested, to be installed, and the guide groove of retainer and upper end cover is slidably matched；The vertical cloth of magnet
It sets, the upper end of magnet and retainer are nested, and the motion path of magnet is corresponding with three Hall switch forward directions.
3. a kind of suspension type foot brake valves with three gear Hall switch according to claim 1, which is characterized in that described
The outer wall of upper outer piston and upper housing are slidingly sealed cooperation, and mandril heat is full of the upper inner for being fitted in outer piston；
Piston guide set is fixed in the middle part of the upper housing, the lower end of upper inner piston and piston guide set are slidingly sealed cooperation；
The upper end of upper inner piston has outside flange, is slidingly sealed cooperation on the inside of the side wall of flange and upper outer piston, on
The lower inside of outer piston has inwardly protruded limiting section, and limiting section is located at the lower section of upper inner piston flange.
4. a kind of suspension type foot brake valves with three gear Hall switch according to claim 3, which is characterized in that described
Spring assembly includes the first spring, second spring and third spring, and the first spring, second spring are arranged at the interior of inner piston
Portion, second spring cover in the outside of the first spring；
Third spring is arranged between upper inner piston and upper housing, and the upper end is contacted with upper outer piston, lower end and piston guide set
Contact.
5. a kind of suspension type foot brake valves with three gear Hall switch according to claim 1, which is characterized in that upper,
Upper valve member is equipped between lower piston component, upper valve member includes upper valve seat and upper valve；
Upper valve seat and upper housing fixing seal cooperate, and inside is slidably matched with lower inner piston；
Upper valve is located at the upper end of valve seat, and the lateral wall of outside and upper valve seat is slidingly sealed cooperation, inside with it is lower interior
Piston is slidingly sealed cooperation；
The 4th spring is equipped between the upper valve and lower inner piston.
6. a kind of suspension type foot brake valves with three gear Hall switch according to claim 5, which is characterized in that upper casing
There is enterprising air cavity between body and upper valve, there is upper discharge chamber inside upper housing, enterprising air cavity can pass through upper valve and upper row
Air cavity is connected；
Between the upper surface and upper housing of lower outer piston have cavity, the cavity by be provided with the intracorporal venthole of upper casing with
Upper discharge chamber communicates.
7. a kind of suspension type foot brake valves with three gear Hall switch according to claim 1, which is characterized in that lower outer
The lateral wall of piston and the inner sidewall of upper housing lower part are slidingly sealed cooperation, lower that the 5th bullet is equipped between outer piston and lower case
Spring；
Lower inner piston is located at the inside of lower outer piston, and lower outer piston and lower inner piston are slidingly sealed cooperation, can drive lower inner piston
It moves downward.
8. a kind of suspension type foot brake valves with three gear Hall switch according to claim 1, which is characterized in that lower casing
The inside of body is equipped with lower valve door component, and lower valve door component includes lower valve gate seat and lower valve；
Lower valve gate seat and lower case fixing seal cooperate, and lower end is connected with silencer；
Lower valve is located at the upper end of lower valve gate seat, and is slidingly sealed cooperation with two lateral walls of lower valve gate seat, lower valve gate seat it is outer
Side is equipped with the 6th spring.
9. a kind of suspension type foot brake valves with three gear Hall switch according to claim 1, which is characterized in that lower casing
There is lower inlet chamber between body and lower valve, lower discharge chamber is equipped between lower case and lower outer piston, under lower inlet chamber can pass through
Valve is connected with lower discharge chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822248871.1U CN209467125U (en) | 2018-12-29 | 2018-12-29 | A kind of suspension type foot brake valves with three gear Hall switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822248871.1U CN209467125U (en) | 2018-12-29 | 2018-12-29 | A kind of suspension type foot brake valves with three gear Hall switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209467125U true CN209467125U (en) | 2019-10-08 |
Family
ID=68091228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822248871.1U Active CN209467125U (en) | 2018-12-29 | 2018-12-29 | A kind of suspension type foot brake valves with three gear Hall switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209467125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606342A (en) * | 2018-12-29 | 2019-04-12 | 威伯科汽车控制系统（中国）有限公司 | A kind of suspension type foot brake valves with third gear Hall switch |
| CN111591274A (en) * | 2020-06-11 | 2020-08-28 | 西安正昌电子股份有限公司 | Electric dual-type brake signal transmitter |
-
2018
- 2018-12-29 CN CN201822248871.1U patent/CN209467125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606342A (en) * | 2018-12-29 | 2019-04-12 | 威伯科汽车控制系统（中国）有限公司 | A kind of suspension type foot brake valves with third gear Hall switch |
| CN111591274A (en) * | 2020-06-11 | 2020-08-28 | 西安正昌电子股份有限公司 | Electric dual-type brake signal transmitter |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 917, Weihe Road, Huangdao District, Qingdao City, Shandong Province 266510 Patentee after: ZF commercial vehicle systems (Qingdao) Co.,Ltd. Address before: No.917, Weihe Road, Huangdao District, Qingdao City, Shandong Province 266510 Patentee before: Wabco (China) Co.,Ltd. |
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| CP03 | Change of name, title or address |