CN114046330A - Automobile air suspension electromagnetic control valve - Google Patents

Automobile air suspension electromagnetic control valve Download PDF

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Publication number
CN114046330A
CN114046330A CN202111117387.5A CN202111117387A CN114046330A CN 114046330 A CN114046330 A CN 114046330A CN 202111117387 A CN202111117387 A CN 202111117387A CN 114046330 A CN114046330 A CN 114046330A
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CN
China
Prior art keywords
valve
cavity
movable
control
air
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Granted
Application number
CN202111117387.5A
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Chinese (zh)
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CN114046330B (en
Inventor
徐焰
李思雨
刘恒
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Knorr Bremse DETC Commercial Vehicle Braking Technology Co Ltd
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Knorr Bremse DETC Commercial Vehicle Braking Technology Co Ltd
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Priority to CN202111117387.5A priority Critical patent/CN114046330B/en
Publication of CN114046330A publication Critical patent/CN114046330A/en
Application granted granted Critical
Publication of CN114046330B publication Critical patent/CN114046330B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
    • F16F9/437—Drainage arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/0624—Lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The invention relates to an automobile air suspension electromagnetic control valve, which comprises a valve body, an air inlet control valve group, an air charging and exhausting control valve group and a silencing device, wherein an air inlet cavity and an air charging and exhausting cavity for mounting the air inlet control valve group and the air charging and exhausting control valve group are arranged in the valve body; the front side of the valve body is provided with a silencing seat for mounting a silencing device; the air inlet cavity, the air charging and discharging cavity and the air discharging cavity are connected; the air inlet control valve group comprises a pneumatic control valve, a movable valve and a switch valve; the charging and discharging control valve group comprises a pneumatic control valve, a second movable valve and a switch valve from top to bottom; a control air path for providing air pressure for the pneumatic control valve is arranged in the valve body. The application relates to an electromagnetic control valve, whether air guide enters or exits air control valve earlier through solenoid valve control, then control activity push rod, can avoid the gas circuit direct action solenoid valve, reduce the influence to the solenoid valve, prolong the life-span of solenoid valve greatly, extension maintenance cycle. Noise when reducing the exhaust through the muffler improves the car and takes advantage of and experiences.

Description

Automobile air suspension electromagnetic control valve
Technical Field
The invention relates to the technical field of automobile parts, in particular to an automobile air suspension electromagnetic control valve.
Background
The automobile air suspension system can change the ground clearance of the automobile chassis of the automobile through air compression, so that the stability, the comfort and the trafficability of a complex road surface of the automobile are improved. A key component used in automotive air suspension systems is the solenoid operated valve. In the prior art, the response speed of the electromagnetic valve of some vehicles with air suspension systems is low, and the electromagnetic valve is easily damaged in advance and high in maintenance cost when the vehicles pass through some rugged road surfaces.
Disclosure of Invention
Based on the above description, the invention provides an automobile air suspension electromagnetic control valve, which aims to solve the problem that the existing automobile air suspension electromagnetic control valve is short in service life.
The technical scheme for solving the technical problems is as follows:
an automobile air suspension electromagnetic control valve comprises a valve body, an air inlet control valve group, an air charging and discharging control valve group and a silencing device, wherein an air inlet cavity and an air charging and discharging cavity which are respectively used for installing the air inlet control valve group and the air charging and discharging control valve group are arranged in the valve body; the front side of the valve body is provided with a silencing seat, an exhaust cavity is arranged in the silencing seat, and a silencing device is arranged on the silencing seat; a main channel arranged in the valve body is sequentially communicated with the air inlet cavity, the air charging and discharging cavity and the air discharging cavity; the air inlet control valve group comprises a pneumatic control valve, a movable valve and a switch valve which are arranged from top to bottom; the charging and discharging control valve group comprises a pneumatic control valve, a second movable valve and a switch valve which are arranged from top to bottom; the pneumatic control valve is fixed at the upper part of the valve body, the movable valve and the second movable valve can be installed in the middle of the valve body in a vertically sliding mode, and the switch valve is installed at the lower part of the valve body; a control air path for providing air pressure for the pneumatic control valve is further arranged in the valve body. In general electromagnetic control valves, the electromagnetic valve is the most easily damaged part, and the damage frequency of the electromagnetic valve is directly related to the maintenance period and the use experience of the whole product. The application relates to an electromagnetic control valve, whether advance the air guide earlier through solenoid valve control air control valve, then through guide's atmospheric pressure and spring common control activity push rod, can avoid the gas circuit direct action to the solenoid valve, reduce the influence to the solenoid valve, prolong the life-span of solenoid valve greatly, extension maintenance cycle. Noise when reducing the exhaust through the muffler improves the car and takes advantage of and experiences. The muffler can also filter dust in the air, avoids entering the valve body, and reduces the service life and stability of the whole control valve.
Preferably, a first control cavity, a second control cavity, a first movable cavity, a second movable cavity, an air inlet cavity and a first cavity are arranged in the valve body, the first control cavity, the first movable cavity and the air inlet cavity are sequentially communicated from top to bottom, and the second control cavity, the second movable cavity and the first cavity are sequentially communicated from top to bottom; a set of pneumatic control valves are respectively fixed in the first control cavity and the second control cavity, a movable valve is movably arranged in the first movable cavity, a second movable valve is movably arranged in the second movable cavity, and a set of switch valves are respectively arranged in the air inlet cavity and the first cavity; the first control cavity, the first movable cavity and the air inlet cavity form an air inlet cavity, and the second control cavity, the second movable cavity and the first cavity form an air charging and discharging cavity; the control gas circuit comprises a pilot channel and a vertical channel which are mutually communicated, the first control cavity and the second control cavity are communicated through the pilot channel, the first movable cavity and the second movable cavity are communicated through the main channel, and the pilot channel and the gas inlet cavity are communicated through the vertical channel. Each cavity is arranged in the valve body, the comprehensive integration level is high, the size of the whole control valve is favorably reduced, and the weight of the whole control valve is lightened.
Preferably, a transverse channel is arranged in the valve body, and the cavities in the first control cavity, the second control cavity and the silencing seat are communicated with each other through the transverse channel. Through setting up horizontal passageway, be convenient for get rid of the atmospheric pressure of activity valve and second activity valve below, resistance when reducing activity valve and second activity valve and reciprocate for the response of ooff valve is faster, has increased the passenger experience of car.
Preferably, silencing device include amortization enclosing cover and amortization piece, the amortization piece is fixed to in the amortization enclosing cover, on the amortization seat was installed to the amortization enclosing cover, amortization enclosing cover terminal surface set up the air vent, amortization enclosing cover inside set up the card thorn. The silencer adopts a simple structure, reduces the production and maintenance cost, absorbs the noise during exhaust through the silencing block, isolates air dust, and is favorable for prolonging the service life of the control valve.
Preferably, the silencing outer cover is provided with a first buckle and a second buckle, a first arc groove is arranged in the first buckle, and a baffle is arranged at the tail end of the first arc groove; a second arc groove and a baffle sheet are arranged in the second buckle. Through setting up first buckle and second buckle, be favorable to the fastening of amortization enclosing cover, and be difficult to not hard up, increase whole product life, and the installation with dismantle the convenience.
Preferably, an upper cavity with an upward opening and a lower cavity with a downward opening are arranged in the pneumatic control valve, and the upper cavity and the lower cavity are communicated through an upper cavity channel and a lower cavity channel; the bottom of the upper cavity is provided with a central channel which is connected with a pilot channel. Through set up the circuitous passageway of multichannel in pneumatic control valve, increase gas circuit elasticity, reduce the impact when pneumatic control valve below ooff valve and second ooff valve reciprocate, be favorable to improving the life-span and the stability of quality of whole valve body.
Preferably, the movable valve comprises an upper valve and a lower rod which are connected into a whole, an upper sealing groove is formed in the circular outer wall of the upper valve, and a rubber sealing ring is installed in the upper sealing groove. The rubber sealing rings are arranged at the upper end and the lower end of the movable valve, so that the sealing performance of the upper end and the lower end of the movable valve is enhanced.
Preferably, the lower rod is internally provided with a central cavity with a downward opening, and the circular outer wall of the lower rod is provided with a lateral square opening communicated with the first control cavity. A central cavity and a side port are arranged in the movable valve to form a passage for controlling exhaust, and the structure is simple and reliable.
Preferably, the switch valve include switch disk seat, activity valve, spring, the switch disk seat is fixed to the valve body in, the activity valve can be relative switch disk seat sliding connection from top to bottom, the spring is fixed to between switch disk seat and the activity valve, switch disk seat bottom sets up the blow vent. The switch valve is designed to be a combination of the switch valve seat, the movable valve and the spring, so that the switch valve is convenient to install and maintain.
Preferably, the movable valve is provided with an exhaust hole in the center. The sealing air pressure in the central cylinder is exhausted through the exhaust hole, the reverse pressure of the movable valve or the second movable valve is reduced, and the on-off response of the switch valve is more rapid.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects: the application relates to an electromagnetic control valve, whether advance the air guide earlier through solenoid valve control air control valve, then through guide's atmospheric pressure and spring common control activity push rod, can avoid the gas circuit direct action to the solenoid valve, reduce the influence to the solenoid valve, prolong the life-span of solenoid valve greatly, extension maintenance cycle. Set up the exhaust hole on the movable valve through setting up horizontal passageway and ooff valve in the valve body, can increase the reaction rate that the air hung, the reinforcing is taken advantage of and is experienced. Noise when reducing the exhaust through the muffler improves the car and takes advantage of and experiences. The muffler can also filter dust in the air, avoids entering the valve body, and reduces the service life and stability of the whole control valve. The muffler has a simple structure, and is beneficial to simple production and maintenance cost.
Drawings
FIG. 1 is a perspective view of the construction of a solenoid control valve of the present invention;
FIG. 2 is an exploded view of the solenoid control valve of the present invention;
FIG. 3 is a cross-sectional view of a solenoid control valve of the present invention taken along a central axial plane;
FIG. 4 is a cross-sectional view of the valve body of the present invention taken along the central axial plane;
FIG. 5 is a perspective view of the structure of the sound-deadening outer cap of the present invention;
FIG. 6 is a perspective view of the construction of the pneumatic control valve of the present invention;
FIG. 7 is a cross-sectional view of the pneumatic control valve of the present invention taken along the central axis;
FIG. 8 is a perspective view of the movable valve of the present invention;
FIG. 9 is a cross-sectional view taken along a medial axis of the movable valve of the present invention;
FIG. 10 is a sectional view of the on-off valve of the present invention taken along the central axial plane;
fig. 11 is a perspective view of the construction of the switch valve seat of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a valve body; 2. a silencing outer cover; 3. a pneumatic control valve; 4. a movable valve; 5. an on-off valve; 6. sealing the cover; 7. a lower valve cover; 8. a sound-deadening block; 9. a second movable valve; 11. a pilot channel; 12. a main channel; 13. a vertical channel; 14. a sound deadening seat; 15. a transverse channel; 21. edge clamping; 22. a vent hole; 23. a first buckle; 24. a second buckle; 25. sticking a thorn; 31. a lower tank; 32. an upper chamber; 33. a lower chamber; 34. a top groove; 35. a central channel; 36. a side hole; 37. an upper and lower cavity channel; 38. an upper tank; 41. an upper valve; 42. an upper seal groove; 43. a lower rod; 44. a lower seal groove; 45. a side square opening; 46. a central lumen; 51. a switch valve seat; 52. a movable valve; 53. a spring; 54. a gasket; 55. an inner seal ring; 111. a first control chamber; 112. a second control chamber; 113. a third control chamber; 121. a first movable chamber; 122. a second movable chamber; 123. a third active cavity; 131. an air inlet cavity; 132. a first chamber; 133. a second chamber; 134. a standby chamber; 141. an annular flange; 142. a stop buckle; 231. a first arc groove; 232. a baffle plate; 241. a second arc groove; 242. a baffle plate; 341. a bump; 511. a cylindrical wall; 512. a central barrel; 513. a vent; 521. and (4) exhausting holes.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In this embodiment, as shown in fig. 1, 2, 3, and 4. An automobile air suspension electromagnetic control valve is characterized by comprising a valve body 1, an air inlet control valve group, an air charging and exhausting control valve group and a silencing device, wherein an air inlet cavity and an air charging and exhausting cavity which are respectively used for installing the air inlet control valve group and the air charging and exhausting control valve group are arranged in the valve body 1; a silencing seat 14 is arranged on the front side of the valve body 1, an exhaust cavity is arranged in the silencing seat 14, and a silencing device is arranged on the silencing seat 14; a main channel 12 arranged in the valve body 1 is communicated with the air inlet cavity, the air charging and discharging cavity and the air discharging cavity in sequence; the air inlet control valve group comprises a pneumatic control valve 3, a movable valve 4 and a switch valve 5 which are arranged from top to bottom; the charging and discharging control valve group comprises a pneumatic control valve 3, a second movable valve 9 and a switch valve 5 which are arranged from top to bottom; the pneumatic control valve 3 is fixed at the upper part of the valve body 1, the movable valve 4 and the second movable valve 9 are arranged at the middle part of the valve body 1 in a vertically sliding manner, and the switch valve 5 is arranged at the lower part of the valve body 1; a control air path for providing air pressure for the pneumatic control valve 3 is also arranged in the valve body 1. The application relates to an electromagnetic control valve, a valve body 1 is a main body mechanism, and an air inlet cavity and an air charging and discharging cavity penetrate through the top and the bottom of the valve body 1. When the air inlet control valve group and the air charging and discharging control valve group are installed in the valve body 1, the pneumatic control valve 3 on the air inlet control valve group and the pneumatic control valve 3 on the air charging and discharging control valve group are close to the top of the valve body 1, the electromagnetic valve group is installed at the top of the valve body 1, each pneumatic control valve 3 is connected with one electromagnetic valve, and the opening and closing of the pneumatic control valve 3 are controlled by the electromagnetic valves. The up-and-down sliding of the movable valve 4 is controlled by a pneumatic control valve 3 on the air inlet control valve group. The up-and-down sliding of the second movable valve 9 is controlled by the pneumatic control valve 3 on the charging and discharging control valve group. The switch valve 5 on the air inlet control valve group and the switch valve 5 on the air charging and discharging control valve group are close to the bottom of the valve body 1. The movable valve 4 controls the on-off valve 5 on the air inlet control valve group to open and close, thereby realizing the opening and closing of air inlet. The opening and closing of the on-off valve 5 of the charging and discharging control valve group is controlled by the second movable valve 9, and further the opening and closing of charging or discharging are controlled.
In this embodiment, as shown in fig. 2, 3, and 4. A first control cavity 111, a second control cavity 112, a first movable cavity 121, a second movable cavity 122, an air inlet cavity 131 and a first cavity 132 are arranged in the valve body 1, the first control cavity 111, the first movable cavity 121 and the air inlet cavity 131 are sequentially communicated from top to bottom, and the second control cavity 112, the second movable cavity 122 and the first cavity 132 are sequentially communicated from top to bottom; a set of pneumatic control valves 3 is respectively fixed in the first control cavity 111 and the second control cavity 112, a movable valve 4 is movably arranged in the first movable cavity 121, a second movable valve 9 is movably arranged in the second movable cavity 122, and a set of switch valves 5 is respectively arranged in the air inlet cavity 131 and the first cavity 132; the first control cavity 111, the first movable cavity 121 and the air inlet cavity 131 form an air inlet cavity, and the second control cavity 112, the second movable cavity 122 and the first cavity 132 form an air charging and discharging cavity; the control air path comprises a pilot channel 11 and a vertical channel 13 which are communicated with each other, the first control cavity 111 and the second control cavity 112 are communicated through the pilot channel 11, the first movable cavity 121 and the second movable cavity 122 are communicated through the main channel 12, and the pilot channel 11 and the air inlet cavity 131 are communicated through the vertical channel 13. The valve body 1 is a main body structure of an electromagnetic control valve, a plurality of chambers are arranged in the valve body 1, and the chambers comprise a first control chamber 111, a second control chamber 112 and a third control chamber 113, a pneumatic control valve 3 is respectively fixed in the first control chamber 111, the second control chamber 112 and the third control chamber 113, and the pneumatic control valve 3 is used for controlling the opening and closing of the lower movable valve 4 or the second movable valve 9. The valve body 1 is further provided with a first movable cavity 121, a second movable cavity 122 and a third movable cavity 123, wherein the movable valve 4 is installed in the first movable cavity 121 and can slide up and down, the second movable valve 9 is installed in the second movable cavity 122 and can slide up and down, and the second movable valve 9 is installed in the third movable cavity 123 and can slide up and down. The movable valve 4 and the second movable valve 9 are lifted upwards by means of springs and abut against the respective upper pneumatic control valve 3. The lower valve cover 7 is installed at the bottom of the valve body 1, the lower valve cover 7 is provided with air vents at corresponding positions of the air inlet cavity 131, the first cavity 132, the second cavity 133 and the standby cavity 134, and the switch valve 5 and the sealing cover 6 are fixed from the bottom of the valve body 1 through the lower valve cover 7.
The valve body 1 is also internally provided with an air inlet cavity 131, a first cavity 132, a second cavity 133 and a standby cavity 134, the air inlet cavity 131, the first cavity 132 and the second cavity 133 are respectively internally provided with a group of switch valves 5, and the standby cavity 134 is internally sealed by installing a sealing cover 6. The first control chamber 111, the second control chamber 112, and the third control chamber 113 communicate with each other through the pilot passage 11 in the lateral direction, and communicate the intake chamber 131 with the pilot passage 11 through the vertical passage 13. The air inlet cavity 131 is connected with an external air source, and the air pressure of the air source is obtained in the conduction channel 11 through the first vertical channel 13.
In the present application, the drawings show a single air inlet channel and two air charging and discharging channels, and the schemes of the two air charging and discharging channels are the same, and the claims mainly claim the combination scheme of the single air inlet channel and the single air charging and discharging channel. The first control chamber 111 is used for controlling the opening of an air inlet channel, and the second control chamber 112 and the third control chamber 113 are used for controlling the opening of a first charging and discharging channel and a second charging and discharging channel respectively. The corresponding intake chamber 131 serves as an intake passage, and the first and second chambers 132 and 133 serve as first and second charging and discharging passages, respectively. In an initial state, the first solenoid valve above the first control chamber 111, the second solenoid valve above the second control chamber 112, and the third solenoid valve above the third control chamber 113 are all not energized, push rods on the first solenoid valve, the second solenoid valve, and the third solenoid valve are at the lowermost positions, and respectively cling to the central passage 35 of the pneumatic control valve 3 in the first control chamber 111, the second control chamber 112, and the third control chamber 113, so that no pneumatic pressure exists above the movable valve 4 and the second movable valve 9, and under the action of respective springs of the movable valve 4 and the second movable valve 9, the movable valve 4 in the first movable chamber 121, the second movable valve 9 in the second movable chamber 122, and the second movable valve 9 in the third movable chamber 123 are at the uppermost positions. So that the on-off valve 5 in the intake chamber 131, the on-off valve 5 in the first chamber 132, and the on-off valve 5 in the second chamber 133 are all in the closed state, and the intake passage, the first charge-discharge passage, and the second charge-discharge passage are all in the closed state. The air supply is connected below the air inlet cavity 131, and the first air bag and the second air bag are respectively connected below the first cavity 132 and the second cavity 133.
And air inlet operation is as follows, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all electrified, and the push rods of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are upwards retracted. Then, the movable valve 4 in the first movable chamber 121, the second movable valve 9 in the second movable chamber 122, and the second movable valve 9 in the third movable chamber 123 obtain air pressure, so that the movable valves slide downward under the action of the air pressure, and the on-off valve 5 in the air inlet chamber 131, the on-off valve 5 in the first chamber 132, and the on-off valve 5 in the second chamber 133 are pushed open respectively. Therefore, the air source enters the main channel 12 through the air inlet cavity 131, and then enters the first air bag and the second air bag through the first cavity 132 and the second cavity 133 respectively, after the first air bag and the second air bag are inflated, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all powered off, and then the inflating process of the first air bag and the second air bag is completed.
And in the exhaust process, the first electromagnetic valve is kept powered off, the second electromagnetic valve and the third electromagnetic valve are powered on, and the push rods of the second electromagnetic valve and the third electromagnetic valve are retracted upwards. The second movable valve 9 in the second movable chamber 122 and the second movable valve 9 in the third movable chamber 123 obtain air pressure above, so that the movable valves slide downwards under the action of the air pressure, and the on-off valve 5 in the first chamber 132 and the on-off valve 5 in the second chamber 133 are pushed open respectively. At this time, the movable valve 4 in the first movable chamber 121 is in the initial position, and the control main passage 12 and the exhaust chamber in the muffler seat 14 are in the communication state. It should be noted that when the movable valve 4 in the first movable chamber 121 is pushed to the lowest position, the main passage 12 and the exhaust chamber in the sound-deadening seat 14 are in the disconnected state. Then, the first and second air cells discharge air into the main passage 12 through the first and second chambers 132 and 133, respectively, and finally discharge the air through the muffler seat 14, thereby completing the air discharging process.
In this embodiment, as shown in fig. 2 and 4. A transverse channel 15 is arranged in the valve body 1, and cavities in the first control chamber 111, the second control chamber 112 and the silencing seat 14 are communicated with each other through the transverse channel 15. The transverse passage 15 is communicated with the first control cavity 111, the second control cavity 112, the third control cavity 113 and the silencing seat 14 in sequence. A movable valve 4, a second movable valve 9 and a second movable valve 9 are respectively arranged in the first movable cavity 121, the second movable cavity 122 and the third movable cavity 123 in a sliding manner, and the upper end and the lower end of the movable valve 4 are respectively connected with the first control cavity 111 and the first movable cavity 121 in a sealing manner; the upper end and the lower end of a second movable valve 9 in a second movable cavity 122 are respectively connected with the second control cavity 112 and the second movable cavity 122 in a sealing manner; the upper end and the lower end of the second movable valve 9 in the third movable cavity 123 are respectively connected with the third control cavity 113 and the third movable cavity 123 in a sealing way. The connection points of the transverse channel 15 and the first movable cavity 121, the second movable cavity 122 and the third movable cavity 123 are respectively positioned at the bottoms of the first movable cavity 121, the second movable cavity 122 and the third movable cavity 123. By providing the transverse passage 15 which opens the first control chamber 111, the second control chamber 112, the third control chamber 113 and the silencing seat 14, when the movable valve 4 in the first control chamber 111, the second movable valve 9 in the second control chamber 112 and the second movable valve 9 in the third control chamber 113 move downwards, the sealing air in the movable valve 4 and the second movable valve 9 can be removed, and the resistance of the movable valve 4 and the second movable valve 9 to move downwards is reduced.
In this embodiment, as shown in fig. 1, 2, and 5. The silencing device comprises a silencing outer cover 2 and a silencing block 8, wherein the silencing block 8 is fixed in the silencing outer cover 2, the silencing outer cover 2 is installed on a silencing seat 14, a vent hole 22 is formed in the end face of the silencing outer cover 2, and a bayonet 25 is arranged inside the silencing outer cover 2. The amortization piece 8 in this application adopts the PE plastics material for the filter screen, and the main effect is as exhaust passage during the exhaust, and the amortization during exhaust in addition still is arranged in the dust in the filtered air. When the silencing device is installed, the silencing block 8 is fixed to the inside of the silencing outer cover 2, and the silencing block 8 is fixed conveniently by arranging the clamping thorn 25 in the silencing outer cover 2.
In this embodiment, as shown in fig. 3, 4, and 5. The silencing outer cover 2 is provided with a first buckle 23 and a second buckle 24, a first arc groove 231 is arranged in the first buckle 23, and the tail end of the first arc groove 231 is provided with a baffle 232; a second arc groove 241 and a stop piece 242 are arranged in the second buckle 24. The sound absorbing seat 14 is cylindrical, two annular convex edges 141 are arranged at the front end of the sound absorbing seat 14 and extend outwards, and the two annular convex edges 141 are respectively matched with the first arc groove 231 and the second arc groove 241. During the use, amortization enclosing cover 2 is detained on the preceding terminal surface of amortization seat 14, and two annular chimbs 141 do not coincide with first arc groove 231, second arc groove 241 respectively this moment, then rotatory amortization enclosing cover 2 for two annular chimbs 141 imbed respectively in first arc groove 231 and the second arc groove 241. Baffle 232 that sets up at first arc groove 231 end is used for spacingly, prevents the rotatory transition of amortization enclosing cover 2, avoids two annular chimbs 141 to break away from with first arc groove 231, second arc groove 241 respectively. Meanwhile, the outer wall of the sound attenuation seat 14 is also provided with a stop buckle 142. When the sound-deadening outer cap 2 is rotated to the limit position, the stopper piece 242 of the second catch 24 catches the stopper catch 142 from the inside. In this application, when amortization enclosing cover 2 clockwise turning to fixed position, baffle 232 is used for preventing amortization enclosing cover 2 to continue clockwise turning, and separation blade 242 prevents amortization enclosing cover 2 anticlockwise turning. The baffle 242 is made of elastic material and can be bent perpendicularly to the outer wall of the sound-deadening outer cap 2 but cannot be bent along the curved surface of the sound-deadening outer cap 2. Before the silencing outer cover 2 is rotated clockwise to the fixed position, the blocking piece 242 is bent outwards, and when the silencing outer cover 2 is rotated clockwise to the fixed position, the blocking piece 242 is released, so that the blocking buckle 142 is blocked. The end face of the silencing outer cover 2 is also provided with a clamping edge 21, and when the silencing outer cover 2 is buckled on the silencing seat 14, the clamping edge 21 is inserted into the inner cavity of the silencing seat 14, so that the silencing outer cover 2 is fastened and installed.
In this embodiment, as shown in fig. 4, 6, and 7. An upper cavity 32 with an upward opening and a lower cavity 33 with a downward opening are arranged in the pneumatic control valve 3, and the upper cavity 32 and the lower cavity 33 are communicated through an upper cavity passage 37 and a lower cavity passage 37; a central channel 35 is provided at the bottom of the upper chamber 32, the central channel 35 connecting to the pilot channel 11. The pneumatic control valve 3 is mainly used for controlling the supply of the pneumatic pressure pushed by the movable valve 4 or the second movable valve 9 below the pneumatic control valve. The pneumatic control valve 3 is fixed in the valve body 1, and the side hole 36 corresponds in position to the pilot passage 11, the side hole 36 communicating with the pilot passage 11. The air intake passage in the pneumatic control valve 3 is such that the air pressure in the pilot passage 11 of the valve body 1 passes through the side hole 36, the center passage 35, the upper chamber 32, the upper and lower chamber passages 37, and the lower chamber 33 in this order, and the lower chamber 33 corresponds to the movable valve 4 or the second movable valve 9 therebelow. The movable push rod of the solenoid valve controls the air pressure supply of the lower chamber 33 by blocking or moving away from the central channel 35. By arranging the upper cavity 32, the lower cavity 33, the central channel 35 and the upper and lower cavity channels 37, the opening and closing of the movable valve 4 or the second movable valve 9 can be controlled by a low-power electromagnetic valve, the requirement on the electromagnetic valve is low, the use strength of the electromagnetic valve is reduced, and the service life of the whole control is favorably prolonged. The upper end surface of the pneumatic control valve 3 is provided with a top groove 34, a sealing ring is arranged in the top groove 34, and a projection 341 is arranged in the top groove 34, so that the sealing ring in the top groove 34 can be clamped conveniently. An upper groove 38 and a lower groove 31 are respectively arranged at the upper part and the lower part of the cylindrical outer wall of the pneumatic control valve 3, and a sealing ring is respectively arranged in the upper groove 38 and the lower groove 31, so that the upper part and the lower part of the pneumatic control valve 3 are kept in a sealing state.
In this embodiment, as shown in fig. 4, 8, and 9. The movable valve 4 comprises an upper valve 41 and a lower rod 43 which are connected into a whole, an upper sealing groove 42 is arranged on the circular outer wall of the upper valve 41, and a rubber sealing ring is arranged in the upper sealing groove 42. The upper valve 41 and the lower rod 43 of the movable valve 4 are respectively connected with the first control chamber 111 and the first movable chamber 121 in a sealing and sliding manner. An upper seal groove 42 is provided in the upper valve 41 for mounting a rubber seal. The lower rod 43 is provided with a lower seal groove 44 for mounting a corresponding rubber seal. Thereby achieving a sealed connection within the first control chamber 111 and the first movable chamber 121, respectively. The second movable valve 9 is similar in structure to the movable valve 4 at this time, and includes an upper valve body for upper seal and a lower valve body for lower seal. And an upper valve body and a lower valve body of the second movable valve 9 arranged in the second movable cavity 122 are respectively connected with the second control cavity 112 and the second movable cavity 122 in a sealing and sliding manner. And the upper valve body and the lower valve body of the second movable valve 9 arranged in the third movable cavity 123 are respectively connected with the third control cavity 113 and the third movable cavity 123 in a sealing and sliding manner.
In this embodiment, as shown in fig. 4, 8, and 9. The lower rod 43 is internally provided with a central cavity 46 with a downward opening, and the circular outer wall of the lower rod 43 is provided with a side opening 45 communicated with the first control cavity 111. The passage formed by the central chamber 46 and the side ports 45 in the lower rod 43 controls the opening and closing of the exhaust passage. When the lower rod 43 is in the initial position, its corresponding first solenoid valve is de-energized and the lower opening of the central chamber 46 communicates with the main channel 12 through the first movable chamber 121. When the lower lever 43 is pushed down to the lowermost position, the lower lever 43 is brought into close contact with the underlying on-off valve 5, so that the lower opening of the central chamber 46 is disconnected from the first movable chamber 121, and thus the exhaust process cannot be performed. The exhaust passage is opened by providing the central chamber 46 and the side port 45 in the lower rod 43.
In this embodiment, as shown in fig. 4, 10, and 11. The switch valve 5 is characterized by comprising a switch valve seat 51, a movable valve 52 and a spring 53, wherein the switch valve seat 51 is fixed in the valve body 1, the movable valve can be connected with the switch valve seat 51 in a vertical sliding mode, the spring 53 is fixed between the switch valve seat 51 and the movable valve 52, and a vent 513 is arranged at the bottom of the switch valve seat 51. The three sets of switch valve seats 51 are respectively and hermetically installed in the air inlet chamber 131, the first chamber 132 and the second chamber 133 for fixing the whole switch valve 5. The switch valve seat 51 comprises a cylindrical wall 511 and a central cylinder 512, the cylindrical wall 511 and the central cylinder 512 are fixedly connected through a bottom closing plate, and a vent 513 is arranged on the bottom closing plate, so that the air inlet cavity 131, the first chamber 132 and the second chamber 133 are respectively communicated with an air source, a first air bag and a second air bag at the bottom. The top of the movable valve 52 is provided with a sealing gasket 54 to ensure that the central cavity 46 can be sealed after being pressed downwards. An internal seal 55 is mounted to the bottom of the movable valve 52 to provide a seal when the bottom of the movable valve 52 slides within the central tube 512. The movable valve 52 is provided with an exhaust hole 521 at the center. When the movable valve 4 or the second movable valve 9 presses the movable valve 52 downward, the space between the bottom of the movable valve 52 and the central cylinder 512 is reduced, the sealed air pressure in the central cylinder 512 is exhausted through the exhaust hole 521, and the counter pressure of the movable valve 4 or the second movable valve 9 is reduced. When the movable valve 4 is pressed toward the movable valve 52, the exhaust hole 521 communicates with the central chamber 46 to exhaust air pressure through the lateral port 45. And the contact surface of the second movable valve 9 and the movable valve 52 is provided with a notch through which the air pressure is discharged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. An automobile air suspension electromagnetic control valve is characterized by comprising a valve body (1), an air inlet control valve group, an air charging and exhausting control valve group and a silencing device, wherein an air inlet cavity and an air charging and exhausting cavity which are respectively used for installing the air inlet control valve group and the air charging and exhausting control valve group are arranged in the valve body (1); a silencing seat (14) is arranged on the front side of the valve body (1), an exhaust cavity is arranged in the silencing seat (14), and a silencing device is arranged on the silencing seat (14); a main channel (12) arranged in the valve body (1) is communicated with the air inlet cavity, the air charging and discharging cavity and the air discharging cavity in sequence; the air inlet control valve group comprises a pneumatic control valve (3), a movable valve (4) and a switch valve (5) which are arranged from top to bottom; the air charging and discharging control valve group comprises a pneumatic control valve (3), a second movable valve (9) and a switch valve (5) which are arranged from top to bottom; the pneumatic control valve (3) is fixed on the upper part of the valve body (1), the movable valve (4) and the second movable valve (9) are arranged in the middle of the valve body (1) in a vertically sliding manner, and the switch valve (5) is arranged on the lower part of the valve body (1); a control air path for providing air pressure for the pneumatic control valve (3) is also arranged in the valve body (1).
2. The air suspension electromagnetic control valve for the automobile according to claim 1, wherein a first control chamber (111), a second control chamber (112), a first movable chamber (121), a second movable chamber (122), an air inlet chamber (131), and a first chamber (132) are arranged in the valve body (1), the first control chamber (111), the first movable chamber (121), and the air inlet chamber (131) are sequentially communicated from top to bottom, and the second control chamber (112), the second movable chamber (122), and the first chamber (132) are sequentially communicated from top to bottom; a set of pneumatic control valves (3) are respectively fixed in the first control cavity (111) and the second control cavity (112), a movable valve (4) is movably arranged in the first movable cavity (121), a second movable valve (9) is movably arranged in the second movable cavity (122), and a set of switch valves (5) are respectively arranged in the air inlet cavity (131) and the first cavity (132); the first control cavity (111), the first movable cavity (121) and the air inlet cavity (131) form an air inlet cavity, and the second control cavity (112), the second movable cavity (122) and the first cavity (132) form an air charging and discharging cavity; the control air path comprises a pilot channel (11) and a vertical channel (13) which are communicated with each other, the first control cavity (111) and the second control cavity (112) are communicated through the pilot channel (11), the first movable cavity (121) and the second movable cavity (122) are communicated through the main channel (12), and the pilot channel (11) and the air inlet cavity (131) are communicated through the vertical channel (13).
3. An air suspension solenoid control valve for motor vehicles according to claim 2, characterized in that a transverse passage (15) is provided in said valve body (1), and the cavities in the first control chamber (111), the second control chamber (112) and the silencing seat (14) are interconnected by the transverse passage (15).
4. The air suspension solenoid electric valve for the automobile as claimed in claim 1, wherein the silencing device comprises a silencing outer cover (2) and a silencing block (8), the silencing block (8) is fixed in the silencing outer cover (2), the silencing outer cover (2) is installed on the silencing base (14), a vent hole (22) is formed in the end face of the silencing outer cover (2), and a bayonet (25) is arranged in the silencing outer cover (2).
5. The air suspension solenoid control valve of the automobile as claimed in claim 4, wherein the silencing outer cover (2) is provided with a first buckle (23) and a second buckle (24), the first buckle (23) is internally provided with a first arc groove (231), and the tail end of the first arc groove (231) is provided with a baffle (232); a second arc groove (241) and a baffle piece (242) are arranged in the second buckle (24).
6. The air suspension solenoid control valve for automobiles according to claim 1 or 2, characterized in that an upper chamber (32) with an upward opening and a lower chamber (33) with a downward opening are arranged in the pneumatic control valve (3), and the upper chamber (32) and the lower chamber (33) are communicated through an upper chamber passage and a lower chamber passage (37); the bottom of the upper cavity (32) is provided with a central channel (35), and the central channel (35) is connected with the pilot channel (11).
7. The air suspension solenoid control valve for automobiles as claimed in claim 1 or 2, wherein said movable valve (4) comprises an upper valve (41) and a lower rod (43) which are connected into a whole, the circular outer wall of the upper valve (41) is provided with an upper sealing groove (42), and a rubber sealing ring is installed in the upper sealing groove (42).
8. The air suspension solenoid control valve for automobiles according to claim 7, characterized in that the lower rod (43) is internally provided with a central cavity (46) with a downward opening, and the circular outer wall of the lower rod (43) is provided with a side port (45) communicated with the first control cavity (111).
9. The air suspension solenoid electric valve for automobile according to claim 1 or 2, characterized in that the switch valve (5) comprises a switch valve seat (51), a movable valve (52) and a spring (53), the switch valve seat (51) is fixed in the valve body (1), the movable valve can be connected with the switch valve seat (51) in a vertical sliding manner, the spring (53) is fixed between the switch valve seat (51) and the movable valve (52), and the bottom of the switch valve seat (51) is provided with a vent (513).
10. The air suspension solenoid control valve of claim 9, wherein said movable valve (52) is centrally provided with a vent (521).
CN202111117387.5A 2021-09-23 2021-09-23 Automobile air suspension electromagnetic control valve Active CN114046330B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111117387.5A CN114046330B (en) 2021-09-23 2021-09-23 Automobile air suspension electromagnetic control valve

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Application Number Priority Date Filing Date Title
CN202111117387.5A CN114046330B (en) 2021-09-23 2021-09-23 Automobile air suspension electromagnetic control valve

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CN114046330A true CN114046330A (en) 2022-02-15
CN114046330B CN114046330B (en) 2023-06-02

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2786393Y (en) * 2005-04-09 2006-06-07 十堰博硕汽车零部件有限公司 Control valve for air bag vibration-damping seat
JP3195007U (en) * 2014-08-12 2014-12-25 惠州市唐群電子有限公司 Combined air distribution valve unit
CN205674808U (en) * 2016-06-14 2016-11-09 青岛浩釜铭车辆科技有限公司 A kind of vehicle electrically controlling air suspension is with highly integrated quadruple valve
CN108758064A (en) * 2018-08-01 2018-11-06 无锡市华通气动制造有限公司 A kind of air suspension valve
CN110466305A (en) * 2019-08-14 2019-11-19 浙江万安科技股份有限公司 A kind of ECAS distribution valve assembly
CN210290852U (en) * 2019-07-05 2020-04-10 厦门坤锦电子科技有限公司 Three-linkage two-position three-way electromagnetic valve with automatic pressure relief function and one-way valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2786393Y (en) * 2005-04-09 2006-06-07 十堰博硕汽车零部件有限公司 Control valve for air bag vibration-damping seat
JP3195007U (en) * 2014-08-12 2014-12-25 惠州市唐群電子有限公司 Combined air distribution valve unit
CN205674808U (en) * 2016-06-14 2016-11-09 青岛浩釜铭车辆科技有限公司 A kind of vehicle electrically controlling air suspension is with highly integrated quadruple valve
CN108758064A (en) * 2018-08-01 2018-11-06 无锡市华通气动制造有限公司 A kind of air suspension valve
CN210290852U (en) * 2019-07-05 2020-04-10 厦门坤锦电子科技有限公司 Three-linkage two-position three-way electromagnetic valve with automatic pressure relief function and one-way valve
CN110466305A (en) * 2019-08-14 2019-11-19 浙江万安科技股份有限公司 A kind of ECAS distribution valve assembly

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