CN215361296U

CN215361296U - Integrated double-quick-release valve belt ABS (anti-lock brake system) electromagnetic valve assembly

Info

Publication number: CN215361296U
Application number: CN202120412688.XU
Authority: CN
Inventors: 陈钢强; 楼超雄; 俞碧君; 楼乔卡; 王国琴
Original assignee: Zhejiang VIE Science and Technology Co Ltd
Current assignee: Zhejiang VIE Science and Technology Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-31
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to the field of ABS solenoid valves, and discloses an integrated double-quick-release valve assembly with an ABS solenoid valve, wherein a valve body is also provided with a third air outlet and a fourth air outlet which are respectively communicated with a left parking air chamber and a right parking air chamber, a second air inlet is arranged on the valve body, a switch diaphragm is arranged in the second air inlet, an F cavity communicated with the air outlet is arranged in the valve body, G cavities respectively communicated with the third air outlet and the fourth air outlet are arranged on two sides of the F cavity, the second air inlet and the F cavity are arranged on two sides of the switch diaphragm, the edge of the switch diaphragm cuts off the communication between the second air inlet and the G cavity, the middle part of the switch diaphragm is sealed in an abutting mode and cuts off the communication between the F cavity and the G cavity at the end part of the F cavity, when the second air inlet admits air, the edge of the switch diaphragm is opened, and the second air inlet is communicated with the G cavity; when the third air outlet and the fourth air outlet exhaust, the compressed air in the G cavity pushes the middle part of the switch diaphragm open, and the F cavity is communicated with the G cavity.

Description

Integrated double-quick-release valve belt ABS (anti-lock brake system) electromagnetic valve assembly

Technical Field

The utility model relates to the field of ABS (anti-lock brake system) electromagnetic valves, in particular to an integrated double-quick-release valve belt ABS electromagnetic valve assembly.

Background

The quick release valve is applied to the ABS of the automobile and is used for adjusting the ratio of input pressure to output pressure so as to reduce the braking air pressure of a front shaft when the braking deceleration is lower, prevent locking of a front wheel when braking, and improve the braking performance of the whole automobile. In the ABS system in the prior art, the quick release valve and the two ABS electromagnetic regulating valves are usually connected together through a nylon pipe, and the connection mode has the defects of increased air leakage risk, larger occupied space in the aspects of pipeline arrangement and installation and poorer convenience.

The applicant previously applied for chinese patent CN201710546993.6, it integrated the quick release valve on ABS solenoid valve air inlet department, set up quick release valve main part, ABS solenoid valve assembly one and ABS solenoid valve assembly two integration as an organic whole structure, compared with the prior art, make the structure compacter, the ABS system is lighter-weight, the stroke of gas circuit shortens, the response time of braking has obtained obvious promotion, the space that occupies simultaneously reduces, provide convenience in the aspect of pipeline arrangement and installation, production and installation cost have been reduced.

But parking quick release valve and parking chamber gas outlet still let among the prior art adopt solitary spare part to design, still adopt nylon union coupling to increase the risk of leaking gas, so this application provides a neotype integrated ABS solenoid valve assembly that has two quick release valves according to prior art's defect.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integrated double-quick-release valve assembly with an ABS (anti-lock brake system) electromagnetic valve, aiming at the defects that the existing ABS electromagnetic valve assembly cannot integrate a parking quick-release valve, a parking cavity air outlet and the like.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

an integrated double-quick release valve with an ABS electromagnetic valve assembly comprises an upper body, a valve body and a lower body from top to bottom, wherein a first air inlet is arranged on the upper body, electromagnetic valve modules are respectively arranged on the left side and the right side of the valve body, a first air outlet and a second air outlet which are respectively communicated with a left brake air chamber and a right brake air chamber are arranged on the valve body, the first air inlet is communicated and disconnected with the first air outlet and the second air outlet through the power-on and power-off of the electromagnetic valve modules, an air outlet is arranged at the lower end of the valve body, a third air outlet and a fourth air outlet which are respectively communicated with the left parking air chamber and the right parking air chamber are also arranged on the valve body, a second air inlet is arranged on the valve body, a switch diaphragm is arranged in the second air inlet, an F cavity communicated with the air outlet is arranged in the valve body, G cavities respectively communicated with the third air outlet and the fourth air outlet are arranged on the two sides of the switch diaphragm, the edge of the switch diaphragm blocks the communication between the second air inlet and the cavity G, the middle part of the switch diaphragm is butted and sealed at the end part of the cavity F to block the communication between the cavity F and the cavity G, when the second air inlet admits air, the edge of the switch diaphragm is opened, and the second air inlet is communicated with the cavity G; when the third air outlet and the fourth air outlet exhaust, the compressed air in the G cavity pushes the middle part of the switch diaphragm open, and the F cavity is communicated with the G cavity.

Preferably, the lower body is fixedly connected with the valve body through a bolt, a first sleeve body is sleeved in the G cavity, a top block is arranged in the middle of the first sleeve body, the top block is connected with the body of the first sleeve body through a connecting rib, a support frame is arranged at one end, close to the G cavity, of the second air inlet, a limiting block is movably inserted in the middle of the support frame, and the middle of the switch diaphragm is clamped between the limiting block and the top block; the switch diaphragm is abutted against the end part of the first sleeve body and a deformation gap is formed at the back part of the switch diaphragm correspondingly.

Preferably, the edge of the switch diaphragm is abutted against the bottom of the lower body to block the communication of the second air inlet and the F cavity and the G cavity.

Preferably, the lower part of the body including the outstanding body that sets up and be used for with valve body fixed connection's base, the base is close to the side of G chamber for outside convex arcwall face, encloses into the control chamber between arcwall face and the switch diaphragm.

Preferably, the cambered surface is provided with a convex ring, and when the convex ring is contacted with the switch diaphragm, the second air inlet is disconnected and communicated with the G cavity.

Preferably, the solenoid valve module comprises a pressure reducing solenoid valve and a pressure maintaining solenoid valve, wherein the pressure reducing solenoid valve is a normally open valve, and the pressure maintaining solenoid valve is a normally closed valve.

Preferably, a second diaphragm is arranged in the first air inlet, and the structure of the second diaphragm is the same as that of the switch diaphragm.

Through the technical scheme, the utility model has the following technical effects:

compared with the prior art, the utility model has the following obvious advantages and positive effects: the weight is reduced; the structure is compact; the response time is improved; the pipeline arrangement and installation are facilitated; the use of parts is saved, and the cost is greatly saved.

Drawings

Fig. 1 is a front view of the device.

Fig. 2 is a sectional view of the lower body.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a partial structural cross-sectional view of the device.

Fig. 5 is a functional diagram of the device.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-upper part, 2-valve body, 3-exhaust port, 4-lower part, 11-first inlet, 12-second inlet, 21-first outlet, 22-second outlet, 23-third outlet, 24-fourth outlet, 5-F cavity, 6-G cavity, 7-switch diaphragm, 8-first sleeve, 9-top block, 10-connecting rib, 30-support frame, 31-stopper, 32-deformation gap, 33-tube, 34-base, 35-arc surface, 36-convex ring, 37-electromagnetic valve module, 38-second diaphragm, 39-H channel, 40-P channel, 41-C1 channel, 42-C2 channel, 43-L cavity, 44-S cavity, 45-J cavity, 46-Q cavity, 47-I cavity, 48-R cavity, 49-O cavity, 50-U cavity, 51-K cavity, 52-D cavity, 53-A cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

An integrated double-quick-release valve band ABS (anti-lock brake system) electromagnetic valve assembly sequentially comprises an upper body 1, a valve body 2 and a lower body 4 from top to bottom, wherein a first air inlet 11 is formed in the upper body 1, electromagnetic valve modules 37 are installed on the left side and the right side of the valve body 2, a first air outlet 21 and a second air outlet 22 which are respectively communicated with a left brake air chamber and a right brake air chamber are arranged on the valve body 2, the first air inlet 11 is communicated and disconnected with the first air outlet 21 and the second air outlet 22 through the electromagnetic valve modules 37, an air outlet 3 is formed in the lower end of the valve body 2, a third air outlet 23 and a fourth air outlet 24 which are respectively communicated with the left parking air chamber and the right parking air chamber are further arranged on the valve body 2, a switch diaphragm 7 is arranged in the second air inlet 12, an F cavity 5 communicated with the air outlet 3 is arranged in the valve body 2, and two sides of the F cavity 5 are respectively used for communicating with the third air outlet 23 and the air outlet 23, The G cavity 6 is communicated with the fourth air outlet 24, the second air inlet 12 and the F cavity 5 are arranged on two sides of the switch diaphragm 7, the edge of the switch diaphragm 7 cuts off the communication between the second air inlet 12 and the G cavity 6, the middle part of the switch diaphragm 7 is butted and sealed at the end part of the F cavity 5 to cut off the communication between the F cavity 5 and the G cavity 6, when the second air inlet 12 is used for air inlet, the edge of the switch diaphragm 7 is opened, and the second air inlet 12 is communicated with the G cavity 6; when the third air outlet 23 and the fourth air outlet 24 exhaust air, the compressed air in the G cavity 6 pushes the middle part of the switch diaphragm 7 open, and the F cavity 5 is communicated with the G cavity 6.

The technical scheme of the application is an improvement on the technical scheme of the Chinese patent CN201710546993.6, and the main improvement point is the improvement on the parking function. To make it lightweight; the structure is more compact; the response time is improved; the pipeline arrangement and installation are facilitated; the use of parts is saved, and the cost is greatly saved.

In this embodiment, the third air outlet 23 and the fourth air outlet 24 are integrally formed at two sides of the G cavity 6, the G cavity 6 is communicated with the B cavity of the main cavity, and one end of the B cavity can be communicated with the first air inlet 11 and the other end is communicated with the air outlet 3, so that the compressed air in the parking cavity can be discharged from the air outlet 3 sequentially through the F cavity 5, the G cavity 6 and the B cavity, the lower body 4 has a stable and reliable structure, and the response speed of the whole device is faster.

In the embodiment, the lower body 4 is fixedly connected with the valve body 2 through a bolt, the G cavity 6 is internally sleeved with the first sleeve body 8, the middle part of the first sleeve body 8 is provided with the top block 9, the top block 9 is connected with the body of the first sleeve body 8 through the connecting rib 10, one end, close to the G cavity 6, of the second air inlet 12 is provided with the support frame 30, the middle part of the support frame 30 is movably inserted with the limit block 31, and the middle part of the switch diaphragm 7 is clamped between the limit block 31 and the top block 9; the switch membrane 7 abuts against the end of the first sleeve body 8 and a deformation gap 32 exists corresponding to the back of the switch membrane 7.

In this embodiment, the edge of the switch diaphragm 7 abuts against the bottom of the lower body 4 to block the communication between the second air inlet 12 and the F cavity 5 and the G cavity 6. Wherein the switch membrane 7 is a circular sheet-like member.

In this embodiment, the lower body 4 includes the protruding body 33 that sets up and the base 34 that is used for with valve body 2 fixed connection, one side that the base 34 is close to G chamber 6 is outside convex arcwall face 35, enclose between arcwall face 35 and the switch diaphragm 7 and become the control chamber, the compressed air accessible control chamber of second air inlet 12 exerts pressure to the edge of diaphragm and makes it break away from and contact with arcwall face 35, there is the clearance between the limit portion of switch diaphragm 7 and the medial surface of F chamber 5, so gas can get into F chamber 5 through the clearance, the gas in F chamber 5 gets into the parking chamber through third gas port and fourth gas port.

And a convex ring 36 is arranged on the cambered surface, and when the convex ring 36 is contacted with the switch diaphragm 7, the second air inlet 12 is disconnected with the G cavity 6. When the switch diaphragm 7 abuts against the convex ring 36, the second air inlet 12 is disconnected from the F cavity 5, and when the switch diaphragm 7 does not abut against the convex ring 36, the second air inlet 12 is communicated with the F cavity 5.

The same as the prior art, the solenoid valve module 37 selected for use in this embodiment includes a pressure reducing solenoid valve and a pressure maintaining solenoid valve, the pressure reducing solenoid valve is a normally open valve, and the pressure maintaining solenoid valve is a normally closed valve.

Preferably, a second diaphragm 38 is arranged in the first air inlet 11, and the structure of the second diaphragm 38 is the same as that of the switch diaphragm 7.

The parking function principle is as follows:

when the automobile is in a parking state, air pressure from the air outlet of the manual valve enters from the second air inlet 12 to jack the switch diaphragm 7, the switch diaphragm moves leftwards to abut against the end part of the F cavity 5 to block the communication between the F cavity 5 and the G cavity 6, the switch diaphragm 7 is separated from the contact with the convex ring 36, the second air inlet 12 is communicated with the G cavity 6, and then the air enters the third air outlet 23 and the fourth air outlet 24 to be discharged and respectively enters the left and right parking air chambers.

When the automobile is to be released from the parking state, air pressure is exhausted from the air outlet of the manual control valve, the switch diaphragm 7 is pushed to the right by the air pressure ports of the third air outlet 23 and the fourth air outlet 24, the switch diaphragm 7 is abutted to the convex ring 36, the G cavity 6 is disconnected from the second air inlet 12, the G cavity 6 is communicated with the F cavity 5, compressed air in the parking air chamber enters the F cavity 5 and enters the air outlet 3, and therefore air pressure in the left and right parking air chambers is exhausted completely, and parking braking is released.

Example 2

This embodiment is different from embodiment 1 in that: the present embodiment discloses the principle of ABS function:

in the boosting process, the electromagnetic valve is not electrified, air pressure of an air source enters from the first air inlet 11, the second membrane 38 is pushed open to enter the A cavity 53, the air pressure of the first air inlet 11 is divided into 4 paths, 2 paths of air pressure respectively pass through the H channel 39, the P channel 40, the C1 channel 41 and the C2 channel 42, enter the L cavity 43 and the S cavity 44 to push the pressure-reducing electromagnetic valve of the membrane assembly to be a normally open valve, and in addition, 2 paths of air pressure respectively push open the pressure-maintaining electromagnetic valves of the membrane assemblies of the K cavity 51 and the D cavity 52 to be a normally closed valve and respectively enter the J cavity 45 and the Q cavity 46, so that the first air outlet 21 and the second air outlet 22 are exhausted.

And in the pressure maintaining process, air pressure of an air source enters from the first air inlet 11, the second membrane 38 is pushed open to enter the A cavity 53, the air pressure of the first air inlet 11 is divided into 4 paths, 2 paths of air pressure respectively pass through the H channel 39, the P channel 40, the C1 channel 41 and the C2 channel 42, enter the L cavity 43 and the S cavity 44 to push the membrane assembly pressure reducing electromagnetic valve to be a normally open valve, and the other 2 paths of air pressure respectively push open the membrane assembly pressure maintaining electromagnetic valves of the K cavity 51 and the D cavity 52 to be normally closed valves and respectively enter the J cavity 45 and the Q cavity 46, so that the first air outlet 21 and the second air outlet 22 are exhausted. When the pressure maintaining electromagnetic valve is electrified: the air enters the I cavity 47 and the R cavity 48 through the air pressure maintaining channel, and the diaphragm assembly is pressed under the action of air pressure and the conical spring, so that the air inlet is cut off, and the air pressure of the first air outlet 21 and the air pressure of the second air outlet 22 are kept unchanged.

And (3) decompression process: the source air pressure enters from the first air inlet 11, the second membrane 38 is pushed open to enter the A cavity 53, the air pressure of the first air inlet 11 is divided into 4 paths, 2 paths of air pressure respectively pass through the H channel 39, the P channel 40, the C1 channel 41 and the C2 channel 42, enter the L cavity 43 and the S cavity 44, push the membrane assembly pressure reducing electromagnetic valve is a normally open valve, in addition, 2 paths of air pressure respectively push open the membrane assembly pressure maintaining electromagnetic valves of the K cavity 51 and the D cavity 52 to be normally closed valves, and respectively enter the J cavity 45 and the Q cavity 46, and therefore the first air outlet 21 and the second air outlet 22 are used for air outlet. When the pressure maintaining electromagnetic valve is electrified: enters the I cavity 47 and the R cavity 48 through the air pressure maintaining channel, and pushes the diaphragm assembly under the action of air pressure and the conical spring, so that air inlet is cut off. When the pressure reducing solenoid valve is electrified, the air pressure of the L cavity 43 and the air pressure of the S cavity 44 are exhausted from the exhaust port 3 through the exhaust channel, the air pressure of the first air outlet 21 and the air pressure of the second air outlet 22 respectively push open the diaphragm assemblies of the 0 cavity and the U cavity 50, so that the air pressure of the first air outlet 21 and the air pressure of the second air outlet 22 are exhausted from the exhaust port 3, and the brake is released.

Example 3

The base 34 is rectangular in shape, and the base 34 and the valve body 2 are fixedly connected by bolts arranged at four corners.

Claims

1. The utility model provides a two quick valve strips ABS solenoid valve assemblies that put of integrated form, from the top down includes upper part of the body (1) in proper order, valve body (2) and the lower part of the body (4), be provided with first air inlet (11) on upper part of the body (1), solenoid valve module (37) are all installed to the left and right sides on valve body (2), be provided with on valve body (2) and be used for respectively with control first gas outlet (21) and second gas outlet (22) of brake chamber intercommunication, the circular telegram and the outage of passing through solenoid valve module (37) of first air inlet (11) realize with first gas outlet (21), the intercommunication and the disconnection of second gas outlet (22), the lower extreme of valve body (2) is provided with gas vent (3), its characterized in that: the valve body (2) is also provided with a third air outlet (23) and a fourth air outlet (24) which are respectively communicated with a left parking air chamber and a right parking air chamber, the valve body (2) is provided with a second air inlet (12), a switch diaphragm (7) is arranged in the second air inlet (12), an F cavity (5) communicated with the air outlet (3) is arranged in the valve body (2), G cavities (6) respectively communicated with the third air outlet (23) and the fourth air outlet (24) are arranged on two sides of the F cavity (5), the second air inlet (12) and the F cavity (5) are arranged on two sides of the switch diaphragm (7), the edge part of the switch diaphragm (7) cuts off the communication between the second air inlet (12) and the G cavity (6), the middle part of the switch diaphragm (7) is butted and sealed on the end part of the F cavity (5) to cut off the communication between the F cavity (5) and the G cavity (6), when the second air inlet (12) admits air, the edge of the switch diaphragm (7) is opened, and the second air inlet (12) is communicated with the G cavity (6); when the third air outlet (23) and the fourth air outlet (24) exhaust air, the switch diaphragm (7) is pushed open by compressed air in the G cavity (6), and the F cavity (5) is communicated with the G cavity (6).

2. The integrated dual quick release valve strip ABS solenoid valve assembly of claim 1 wherein: the lower body (4) is fixedly connected with the valve body (2) through a bolt, a first sleeve body (8) is sleeved in the G cavity (6), a top block (9) is arranged in the middle of the first sleeve body (8), the top block (9) is connected with the body of the first sleeve body (8) through a connecting rib (10), a support frame (30) is arranged at one end, close to the G cavity (6), of the second air inlet (12), a limit block (31) is movably inserted in the middle of the support frame (30), and the middle of the switch diaphragm (7) is clamped between the limit block (31) and the top block (9); the switch membrane (7) is abutted against the end part of the first sleeve body (8) and a deformation gap (32) exists corresponding to the back part of the switch membrane (7).

3. The integrated dual quick release valve strip ABS solenoid valve assembly of claim 1 wherein: the edge of the switch membrane (7) is butted against the bottom of the lower body (4) to block the communication of the second air inlet (12) with the F cavity (5) and the G cavity (6).

4. The integrated dual quick release valve strip ABS solenoid valve assembly of claim 1 wherein: the lower part of the body (4) is including setting up body (33) and base (34) that are used for with valve body (2) fixed connection protrudingly, and base (34) are close to one side of G chamber (6) for outside convex arcwall face (35), enclose into the control chamber between arcwall face (35) and switch diaphragm (7).

5. The integrated dual quick release valve strip ABS solenoid valve assembly of claim 4 wherein: a convex ring (36) is arranged on the cambered surface, and when the convex ring (36) is contacted with the switch diaphragm (7), the second air inlet (12) is disconnected and communicated with the G cavity (6).

6. The integrated dual quick release valve strip ABS solenoid valve assembly of claim 1 wherein: the electromagnetic valve module (37) comprises a pressure reducing electromagnetic valve and a pressure maintaining electromagnetic valve, wherein the pressure reducing electromagnetic valve is a normally open valve, and the pressure maintaining electromagnetic valve is a normally closed valve.

7. The integrated dual quick release valve strip ABS solenoid valve assembly of claim 1 wherein: a second diaphragm (38) is arranged in the first air inlet (11), and the structure of the second diaphragm (38) is the same as that of the switch diaphragm (7).