CN212509732U - Electromagnetic valve and vehicle brake system - Google Patents
Electromagnetic valve and vehicle brake system Download PDFInfo
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- CN212509732U CN212509732U CN202022205573.1U CN202022205573U CN212509732U CN 212509732 U CN212509732 U CN 212509732U CN 202022205573 U CN202022205573 U CN 202022205573U CN 212509732 U CN212509732 U CN 212509732U
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Abstract
The utility model provides a solenoid valve and vehicle braking system, wherein, the solenoid valve includes: a first valve body assembly and a second valve body assembly; the first valve body assembly includes: the electromagnetic valve comprises a valve, a first piston, an electromagnetic valve assembly, a shell structure, a lower valve body and an upper valve body; the second valve body assembly is connected to and in communication with the first valve body assembly and includes: a second valve body and a valve cover connected with the second valve body. The utility model discloses a solenoid valve makes its more rationalization at whole car system space arrangement through carrying out optimal design to the structure, makes things convenient for the later stage to provide convenience to troubleshooting or maintenance. Through with each functional module integrated setting, realized collecting data, integrated data, made the feedback, help the operator more high-efficient and convenient when using the trailer.
Description
Technical Field
The utility model relates to a vehicle braking technical field especially relates to a solenoid valve and vehicle braking system.
Background
A vehicle brake system refers to a series of special devices that apply a certain force to certain parts of the vehicle (mainly the wheels) so as to apply a certain degree of forced braking thereto. The braking system has the following functions: the running automobile is forced to decelerate or even stop according to the requirement of a driver; stably parking a stopped vehicle under various road conditions (including on a slope); the speed of the vehicle running on the downhill is kept stable. At present, automobile brake systems develop towards more reasonable spatial arrangement and higher functional and structural integration. Therefore, in the face of the above development needs, there is a need to propose further solutions.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solenoid valve and vehicle braking system to overcome the not enough that exists among the prior art.
In order to achieve the above object, the present invention provides a solenoid valve, which includes: a first valve body assembly and a second valve body assembly;
the first valve body assembly includes: the electromagnetic valve comprises a valve, a first piston, an electromagnetic valve assembly, a shell structure, a lower valve body and an upper valve body;
the electromagnetic valve assembly is integrated at one end of the lower valve body and is positioned in an assembly space between the shell structure and the lower valve body, the upper valve body is connected with the other end of the lower valve body, the first piston is positioned between the lower valve body and the upper valve body and is in hole-shaft fit with the lower valve body and the upper valve body, and the lower end of the first piston is abutted against the valve;
the second valve body assembly is connected to and in communication with the first valve body assembly and includes: the second valve body and a valve cover connected with the second valve body;
the second valve body has a working chamber and a plurality of delivery outlets, be provided with the diaphragm between second valve body and the valve gap, the inside pressure regulating spring that still is provided with of valve gap acts on the diaphragm, still be provided with the check valve tripod in the working chamber, its control intercommunication between working chamber and a plurality of delivery outlets.
As an improvement of the electromagnetic valve of the utility model, the shell structure comprises an upper shell and a lower shell which are mutually buckled, and a waterproof sealing ring is arranged between the upper shell and the lower shell; and an assembly space formed between the shell structure and the lower valve body is sealed by an upper valve body sealing ring.
As the utility model discloses an improvement of solenoid valve, first valve body subassembly still includes: the circuit board comprises a circuit board and a plurality of contact pins, wherein the contact pins are riveted on the circuit board, and the circuit board is buckled on the contact pins.
As the utility model discloses an improvement of solenoid valve, the solenoid valve assembly carries out the lock by the solenoid valve backup pad to it is fixed to attach through the screw lock, still be provided with the solenoid valve sealing washer between solenoid valve assembly and the lower valve body.
As an improvement of the electromagnetic valve of the utility model, the upper valve body is connected with the lower valve body through screws, and a lower valve body sealing ring is arranged between the upper valve body and the lower valve body; and the first piston and the lower valve body are sealed through an O-shaped ring, and the first piston and the upper valve body are sealed through a special-shaped sealing ring.
As the utility model discloses an improvement of solenoid valve, valve and the cooperation of a spring holder hole axle, and be equipped with return spring between the two, still seal through O type circle between the valve seat of valve and the last valve body.
As the improvement of the electromagnetic valve of the utility model, the lower part of the upper valve body is also connected with a silencer, and a silencing net is arranged in the silencer.
As the utility model discloses an improvement of solenoid valve, in the second valve body, all installed the filter screen structure in each delivery outlet, and the import of each delivery outlet is opened or is closed by a second piston that removes in the uide bushing.
As the utility model discloses an improvement of solenoid valve, the second valve body has the intercommunication the passageway of valve gap, the check valve tripod with the entrance of passageway is provided with O type circle, it is right still to be provided with in the working chamber the turriform spring of axial reset effort is applyed to the check valve tripod.
In order to achieve the above object, the present invention provides a vehicle braking system, which includes: the solenoid valve as described above;
the solenoid valve is connected to a load of the vehicle brake system and receives information from the load, and the solenoid valve is connected to an air suspension of the vehicle brake system.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a solenoid valve makes its more rationalization at whole car system space arrangement through carrying out optimal design to the structure, makes things convenient for the later stage to provide convenience to troubleshooting or maintenance. Through with each functional module integrated setting, realized collecting data, integrated data, made the feedback, help the operator more high-efficient and convenient when using the trailer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic plan view of an embodiment of a solenoid valve according to the present invention;
FIG. 2 is a schematic view of the internal structure of the first valve body assembly of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the second valve body assembly of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIGS. 5 and 6 are functional schematic diagrams of the first valve body assembly;
FIG. 7 is a schematic diagram of the solenoid valve assembly of FIG. 5;
fig. 8 and 9 are functional schematic diagrams of the second valve body assembly.
Detailed Description
The present invention is described in detail below with reference to various embodiments, but it should be noted that these embodiments are not intended to limit the present invention, and those skilled in the art should be able to make equivalent changes or substitutions in functions, methods, or structures according to the embodiments without departing from the scope of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides a solenoid valve, which includes: a first valve body assembly 1 and a second valve body assembly 2.
In this embodiment, the first valve body assembly 1 and the second valve body assembly 2 are connected by screws, and the second valve body assembly 2 is connected to and maintains communication with the first valve body assembly 1. Specifically, one port of the first valve body assembly 1 communicates with a corresponding port of the second valve body assembly 2, and the other port of the first valve body assembly 1 communicates with a corresponding port of the second valve body assembly 2.
The first valve body assembly 1 serves as a main body portion of the solenoid valve of the present embodiment, which serves to fulfill the main function of the solenoid valve. The first valve body assembly 1 of the present embodiment includes: valve 21, first piston 16, solenoid valve assembly 12, housing structure 3, lower valve body 4, and upper valve body 5.
An assembly space of the first valve body assembly 1 is formed between the shell structure 3 and the lower valve body 4 and between the lower valve body 4 and the upper valve body 5. This assembly space can be used to realize the integrated setting of each functional module, has realized collecting data, has integrated data, has made the feedback, and the help operator is more high-efficient and convenient when using the trailer.
In order to ensure the tightness of the formed assembly space, the assembly space formed between the housing structure 3 and the lower valve body 4 is sealed by an upper valve body sealing ring 14. The shell structure 3 comprises an upper shell 10 and a lower shell 8 which are buckled with each other, and a waterproof sealing ring 9 is arranged between the upper shell 10 and the lower shell 8 for realizing the waterproof effect.
The solenoid valve assembly 12 is integrated in one end of the lower valve body 4 and is located in the assembly space between the housing structure 3 and the lower valve body 4. The electromagnetic valve assembly 12 can realize an anti-lock function, a rollover prevention function, a bounce control function and the like. In order to realize the installation and fixation of the electromagnetic valve assembly 12, the electromagnetic valve assembly 12 is buckled by the electromagnetic valve supporting plate 11 and locked and fixed by the screw 29, and an electromagnetic valve sealing ring 13 is further arranged between the electromagnetic valve assembly 12 and the lower valve body 4.
The upper valve body 5 is connected with the other end of the lower valve body 4. In one embodiment, the upper valve body 5 and the lower valve body 4 are connected by another screw 29 with the lower valve body sealing ring 15 in between. In addition, the upper valve body 5 is also provided with a noise reduction design, a silencer 28 is connected to the lower part of the upper valve body 5, and a silencing net 27 is installed in the silencer 28. Therefore, the noise generated when the air flow flows when the electromagnetic valve works is reduced.
The first piston 16 is located between the lower valve body 4 and the upper valve body 5, and it is bore-shaft-fitted with the lower valve body 4 and the upper valve body 5. Meanwhile, in order to ensure the sealing performance between the first piston 16 and the upper valve body 5 and the lower valve body 4, the first piston 16 and the lower valve body 4 are sealed through an O-shaped ring 18, and the first piston 16 and the upper valve body 5 are sealed through a special-shaped sealing ring 17.
At the same time, the lower end of the first piston 16 abuts against a valve 21. The valve 21 is axially fitted with a spring seat 23, and a return spring 25 is interposed therebetween. The valve 21 is sealed between the valve seat 20 and the upper valve body 5 and between the spring seat 23 and the upper valve body 5 by O-rings 19 and 22. At the same time, the valve seat 20 is retained by a retainer ring 26.
Further, in order to realize the electrical connection of the first valve body assembly 1, the first valve body assembly 1 further includes: circuit board 7 and a plurality of contact pin 6, a plurality of contact pin 6 are riveted on circuit board 7, and circuit board 7 detains on contact pin 6. Correspondingly, a plurality of contact pins 6 are received in the electrical interface of the first valve body assembly 1 and are arranged according to the required arrangement mode.
The second valve body assembly 2 cooperates with the first valve body assembly 1 to control the admission and discharge of gas. The second valve body assembly 2 of the present embodiment is connected to and held in communication with the first valve body assembly 1, and includes: a second valve body 46 and a bonnet 36 connected thereto. The second valve body 46 and the bonnet 36 may be connected by a set screw 41.
The second valve body 46 has a working chamber (a4 chamber) and a plurality of output ports 2-3, a diaphragm 38 is disposed between the second valve body 46 and the bonnet 36, a pressure regulating spring 35 acting on the diaphragm 38 is disposed inside the bonnet 36, and the pressure regulating spring 35 is accommodated in a spring housing 37. Furthermore, a pressure regulating seat 40 is pressed against the pressure regulating spring 35 by a set screw 41 which is screwed in.
A check valve tripod 42 is also provided in the working chamber which controls the communication between the working chamber and the plurality of output ports 2-3. At the same time, the inlet of each outlet 2-3 is opened or closed by a second piston 32 moving in a guide sleeve 31. In addition, each output port 2-3 also has a noise reduction design, and specifically, each output port 2-3 is provided with a filter screen structure 30.
To control communication between the second valve body 46 and the bonnet 36, the second valve body 46 has a passage that communicates with the bonnet 36. At this time, an O-ring 45 is provided at an inlet of the check valve tripod 42 and the passage, and a tower-shaped spring 43 for applying an axial restoring force to the check valve tripod 42 is further provided in the working chamber. By means of this stepped spring 43, the return of the check valve tripod 42 to the initial position can be controlled. Meanwhile, the tower spring 43 is retained by a spring seat 44.
Based on the solenoid valve with the above structure, the present embodiment will explain the operation principle of the solenoid valve in detail.
The working process of the first valve body assembly 1 is as follows:
as shown in fig. 5, 6 and 7, the g port of the solenoid valve assembly is used as a cavity communicated with the assembly.
When electricity is not failed, the solenoid valve y is electrified, the gas of the port a of the solenoid valve enters the cavity B from the port B of the solenoid valve, when the solenoid valves x and z are not electrified, the gas passes through the ports C and D of the solenoid valve from the cavity B, then the gas enters the cavity C and the cavity D, the first piston 16 is pushed to move downwards, the valve 21 is pushed open, the gas of the cavity A1 flows into the cavity E, the cavity E serves as the port 2.1, the gas pressure is output, the gas of the cavity A2 flows into the cavity F, the cavity F serves as the port 2.2, and the gas pressure is output (one of the ports 2.2 flows to the ports 2-4 of the second valve body assembly, and the structure in the second valve body assembly 2 is described in. When the electromagnetic valves x and z are electrified, gas in the cavity C and the cavity D flows into the cavity G and the cavity H from the port E and the port F of the electromagnetic valves through the port C and the port D of the electromagnetic valves, the gas is discharged from the silencing net 27, the air pressure of the cavity C and the cavity D returns to zero, then the gas in the cavity E and the cavity F pushes the first piston 16 upwards, and the gas in the cavity G and the cavity H is discharged through the silencing net 27.
Finally, the solenoid valves x, y, z are de-energized, returning to the initial state.
When electricity is failed, the gas in the port g of the electromagnetic valve is output from the port C and the port D through the port b of the electromagnetic valve, then the gas enters the cavity C and the cavity D, the first piston 16 is pushed to move downwards, the valve 21 is pushed open, the gas in the cavity a1 flows into the cavity E, the cavity E serves as the port 2.1, the gas pressure is output, the gas in the cavity a2 flows into the cavity F, the cavity F serves as the port 2.2, and the gas pressure is output (one of the ports 2.2 flows to the ports 2-4 of the second valve body assembly, and the structure in the second valve body assembly 2 is described in detail below). Ensuring that the braking effect is not invalid.
The working process of the second valve body assembly 2 is as follows:
as shown in fig. 8 and 9, when the gas flows into the a4 chamber from port 1 of the first valve body assembly, the gas is firstly output from port 1 and pushes away the spring sleeve 37, so that the sealing diaphragm 38 no longer restricts the gas flow to the J chamber, and the gas of the J chamber pushes away the check valve tripod 42 and is output from 4 ports 1-1.
When the output air pressure of the first valve body assembly 12.2 port flows to the second valve body assembly 2-4 port and enters the K cavity, the air pressure pushes the second piston 32 to move in the guide sleeve 31 to seal the 4-2 port, and the air flows into the M cavity through the guide sleeve 31 and is finally output from the 2-3 port through the filter screen structure 30. Meanwhile, the second piston 32 is axially limited by a hexagonal cap 34, and the hexagonal cap 34 is further provided with an O-ring 33 for sealing.
Gas is input from the port 4-2, the gas pressure pushes the second piston 32 to move in the guide sleeve 31, the port 2-4 is sealed, and the gas flows into the M cavity through the guide sleeve 31 and is finally output from the port 2-3 through the filter screen structure 30.
Based on the same utility model concept, another embodiment of the utility model provides a vehicle braking system still. The vehicle brake system of the embodiment includes: load, air suspension, and solenoid valves as described above. The solenoid valve is connected with a load of a vehicle brake system and receives information from the load to collect data, integrate the data and make feedback. At the same time, the solenoid valve is connected to the air suspension of the vehicle brake system. Therefore, the load pressure of the whole vehicle can be detected through the sensor integrated on the electromagnetic valve.
To sum up, the utility model discloses an electromagnetic valve makes its more rationalization at whole car system space arrangement through carrying out optimal design to the structure, makes things convenient for the later stage to provide convenience to troubleshooting or maintenance. Through with each functional module integrated setting, realized collecting data, integrated data, made the feedback, help the operator more high-efficient and convenient when using the trailer.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A solenoid valve, characterized in that it comprises: a first valve body assembly and a second valve body assembly;
the first valve body assembly includes: the electromagnetic valve comprises a valve, a first piston, an electromagnetic valve assembly, a shell structure, a lower valve body and an upper valve body;
the electromagnetic valve assembly is integrated at one end of the lower valve body and is positioned in an assembly space between the shell structure and the lower valve body, the upper valve body is connected with the other end of the lower valve body, the first piston is positioned between the lower valve body and the upper valve body and is in hole-shaft fit with the lower valve body and the upper valve body, and the lower end of the first piston is abutted against the valve;
the second valve body assembly is connected to and in communication with the first valve body assembly and includes: the second valve body and a valve cover connected with the second valve body;
the second valve body has a working chamber and a plurality of delivery outlets, be provided with the diaphragm between second valve body and the valve gap, the inside pressure regulating spring that still is provided with of valve gap acts on the diaphragm, still be provided with the check valve tripod in the working chamber, its control intercommunication between working chamber and a plurality of delivery outlets.
2. The electromagnetic valve according to claim 1, wherein the housing structure comprises an upper housing and a lower housing which are buckled with each other, and a waterproof sealing ring is arranged between the upper housing and the lower housing; and an assembly space formed between the shell structure and the lower valve body is sealed by an upper valve body sealing ring.
3. The solenoid valve of claim 2, wherein the first valve body assembly further comprises: the circuit board comprises a circuit board and a plurality of contact pins, wherein the contact pins are riveted on the circuit board, and the circuit board is buckled on the contact pins.
4. The electromagnetic valve according to claim 1, wherein the electromagnetic valve assembly is buckled by an electromagnetic valve support plate and locked and fixed by a screw, and an electromagnetic valve sealing ring is further arranged between the electromagnetic valve assembly and the lower valve body.
5. The electromagnetic valve according to claim 1, characterized in that the upper valve body is connected with the lower valve body through a screw, and a lower valve body sealing ring is arranged between the upper valve body and the lower valve body; and the first piston and the lower valve body are sealed through an O-shaped ring, and the first piston and the upper valve body are sealed through a special-shaped sealing ring.
6. The electromagnetic valve according to claim 1, wherein the valve is engaged with a spring seat hole shaft, a return spring is arranged between the valve and the spring seat hole shaft, and the valve seat of the valve is sealed with the upper valve body through an O-shaped ring.
7. The electromagnetic valve according to claim 1, characterized in that a silencer is connected to the lower part of the upper valve body, and a silencing net is installed in the silencer.
8. The solenoid valve of claim 1 wherein the second valve body has a screen structure mounted in each outlet and the inlet of each outlet is opened or closed by a second piston moving in a guide sleeve.
9. The solenoid valve as claimed in claim 1, wherein the second valve body has a passage communicating with the valve cover, the check valve tripod is provided with an O-ring at an inlet of the passage, and the working chamber is further provided with a tower spring exerting an axial return force on the check valve tripod.
10. A vehicle braking system, characterized by comprising: a solenoid valve according to any one of claims 1 to 9;
the solenoid valve is connected to a load of the vehicle brake system and receives information from the load, and the solenoid valve is connected to an air suspension of the vehicle brake system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205573.1U CN212509732U (en) | 2020-09-30 | 2020-09-30 | Electromagnetic valve and vehicle brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205573.1U CN212509732U (en) | 2020-09-30 | 2020-09-30 | Electromagnetic valve and vehicle brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509732U true CN212509732U (en) | 2021-02-09 |
Family
ID=74389957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022205573.1U Active CN212509732U (en) | 2020-09-30 | 2020-09-30 | Electromagnetic valve and vehicle brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509732U (en) |
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2020
- 2020-09-30 CN CN202022205573.1U patent/CN212509732U/en active Active
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