CN107883053B - Negative pressure central control valve of automobile tyre inflation and deflation system - Google Patents
Negative pressure central control valve of automobile tyre inflation and deflation system Download PDFInfo
- Publication number
- CN107883053B CN107883053B CN201711214105.7A CN201711214105A CN107883053B CN 107883053 B CN107883053 B CN 107883053B CN 201711214105 A CN201711214105 A CN 201711214105A CN 107883053 B CN107883053 B CN 107883053B
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- China
- Prior art keywords
- piston group
- valve body
- normally closed
- communicated
- pressure release
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Links
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- 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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention relates to a negative pressure central control valve of an automobile tire inflation and deflation system, which comprises a valve body with an air duct inside, wherein one side of the valve body is provided with an air source port, the air source port is communicated with a first normally closed piston group through a public pipeline, one end of the first normally closed piston group is communicated with a pressure release piston group through public, the other end of the public pipeline, which is relatively connected with the first normally closed piston group, is communicated with a second normally closed piston group, one side of the pressure release piston group is provided with a pressure release port, the pressure release port is communicated with the pressure release duct, the public pipeline, which is relatively connected with the first normally closed piston group, the pressure release piston group and the other side of the second normally closed piston group, is communicated with at least four normally open piston groups which are distributed at equal intervals, the other side of the pressure release duct is connected with a vacuumizing device, and the vacuumizing device can vacuumize air entering the valve body from the air source port, and the negative pressure central control valve has the beneficial effects that: by deflating the automobile tire, the preset pressure of the wheel edge valve is uniformly maintained in the tire, and tire burst caused by too high pressure can be avoided.
Description
Technical Field
The invention relates to the field of central inflation and deflation systems of automobile tires, in particular to a negative pressure central control valve of an inflation and deflation system of an automobile tire.
Background
The central tyre inflating and deflating system for small automobile consists of compressed air source, control air path, rotating sealing air chamber, wheel valve and corresponding pipeline for regulating tyre pressure to meet the requirement of different road to tyre pressure, and the tyre inflating and deflating system for traditional automobile has no pressure maintaining function.
Disclosure of Invention
The technical problem to be solved by the present invention is to address the above-mentioned shortcomings of the prior art,
a negative pressure central control valve of an automobile tire inflation and deflation system is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: negative pressure central control valve of automobile tire inflation and deflation system, including the inside valve body that is equipped with the air pipe, its characterized in that: the valve is characterized in that an air source port is arranged on one side of the valve body and is communicated with a first normally closed piston group through a public pipeline, one end of the first normally closed piston group is communicated with a pressure release piston group through a public pipeline, the other end of the public pipeline, which is relatively connected with the first normally closed piston group, is communicated with a second normally closed piston group, one side of the pressure release piston group is provided with a pressure release port, the pressure release port is communicated with a pressure release pipeline, the public pipeline is relatively connected with the first normally closed piston group, the pressure release piston group and the normally open piston group which are distributed at least four equal intervals are communicated with the other side of the second normally closed piston group, the other side of the pressure release pipeline is connected with a vacuumizing device, and the vacuumizing device can vacuumize gas entering the valve body from the air source port.
The negative pressure central control valve of the automobile tire inflation and deflation system can be further arranged as follows: the vacuumizing device is a vacuum generator, the vacuum generator comprises a generator body communicated with a pressure relief pipeline, and a generator body cover is inserted at the other end of the generator body, which is relatively connected with the pressure relief pipeline.
The negative pressure central control valve of the automobile tire inflation and deflation system can be further arranged as follows: the opposite side of the normally open piston group relative intercommunication public pipeline is equipped with the connecting channel who is connected with outside round limit valve, public pipeline top all is equipped with sensor connecting channel, be connected with the valve body upper cover directly over the valve body, be equipped with the sensor in the valve body upper cover, the sensor other end is connected in the valve body and is linked together with sensor connecting channel.
By adopting the technical scheme, the air source is connected to the air source port arranged on the valve body, the air source enters the first normally closed piston group through the public pipeline, the first normally closed piston group is communicated with the pressure release piston group through the public pipeline, the other end of the public pipeline, which is relatively connected with the first normally closed piston group, is communicated with the second normally closed piston group, the first normally closed piston group, the pressure release piston group and the second normally closed piston group through the public pipeline, the normally open piston group is connected with an external wheel side valve through an air pipe, when the pressure air of the air source enters the valve body through the air source port, the air in the valve body is discharged through the pressure release channel through the vacuumizing device arranged on one side of the pressure release pipeline, so that the air in the valve body is in a vacuum state, the tire is deflated through the diaphragm of the wheel side valve connected on one side of the valve body by opening the pressure on two sides, and a sensor is arranged in the upper cover of the valve body, and the sensor is communicated with the connecting channel and the first normally closed piston group and the normally open piston group through the first pipeline, and the pressure of the flowing air in the first normally closed piston group and the normally open piston group is sensed through the sensor.
The negative pressure central control valve of the automobile tire inflation and deflation system can be further arranged as follows: the other end of the valve body upper cover, which is opposite to the sensor, is provided with a circuit board installation inner box, and a circuit board is arranged in the circuit board installation inner box.
By adopting the technical scheme, the circuit board is arranged in the circuit board installation inner box arranged in the valve body upper cover, the circuit board is electrically connected with the first normally-closed piston group and the normally-open piston group, a plurality of groups of electromagnetic coils are also arranged in the valve body upper cover, the first normally-closed piston group, the second normally-closed piston group and the normally-open piston group are matched to form an electromagnetic valve, and a sensor connected with the circuit board is used for sensing the pressure value between the first normally-closed piston group and the normally-open piston group.
The negative pressure central control valve of the automobile tire inflation and deflation system can be further arranged as follows: an external wiring harness is arranged on one side of the upper cover of the valve body.
The negative pressure central control valve of the automobile tire inflation and deflation system can be further arranged as follows: and two groups of heating devices which are oppositely arranged are also arranged in the valve body, and the heating components comprise heating rods and heating components communicated with the heating rods.
By adopting the technical scheme, the heating device is arranged to heat the inside of the valve body when the automobile is in the external cold environment, so that the temperature inside the valve body is prevented from being too low.
By adopting the technical scheme, the first normally-closed piston group, the second normally-closed piston group and the normally-open piston group are matched with the electromagnetic coil to form the normally-closed electromagnetic valve and the normally-open electromagnetic valve in practice, the gas paths of the first normally-closed piston group and the second normally-closed piston group are closed under the condition of no power-on, and the gas paths of the normally-open piston group are opened.
The negative pressure central control valve of the automobile tire inflation and deflation system can be further arranged as follows: the other end of the valve body, which is connected with one end of the valve body upper cover, is provided with a mounting bracket, and the valve body is connected with the mounting bracket through a valve body sealing piece.
By adopting the technical scheme, the mounting bracket arranged below the valve body is connected with the valve body through the valve body sealing piece, so that the valve body is sealed between the lower part of the valve body and the mounting bracket, and the valve body is not leaked due to the leakage of the mounting bracket, so that the inside of the valve body is difficult to reach a vacuum state. .
The beneficial effects of the invention are as follows: by deflating the automobile tire, the preset pressure of the wheel edge valve is uniformly maintained in the tire, and tire burst caused by too high pressure can be avoided.
The invention is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic diagram of an explosion structure according to an embodiment of the present invention.
Fig. 3 is a schematic front view of a valve body according to an embodiment of the present invention.
Fig. 4 is a section view of section A-A of fig. 3.
Fig. 5 is a section view of section B-B of fig. 3.
Fig. 6 is a sectional view of the portion C-C of fig. 3.
Fig. 7 is an exploded view of a vacuum pumping apparatus according to an embodiment of the present invention.
Detailed Description
See fig. 1-6: the negative pressure central control valve of the automobile tire inflation and deflation system comprises a valve body 1 with an air duct inside, an air source port 11 is arranged on one side of the valve body 1, the air source port 11 is communicated with a first normally closed piston group 2 through a public pipeline 12, one end of the first normally closed piston group 2 is communicated with a pressure release piston group 3 through the public pipeline 12, the other end of the public pipeline 12, which is relatively connected with the first normally closed piston group 2, is communicated with a second normally closed piston group 4, one side of the pressure release piston group 3 is provided with a pressure release port 31, the pressure release port 31 is communicated with a pressure release pipeline 32, the public pipeline 12 is relatively connected with the first normally closed piston group 2, the pressure release piston group 3 and the other side of the second normally closed piston group 4, which are distributed at least four equal distances, is communicated with a vacuumizing device on the other side of the pressure release pipeline 32, the vacuumizing device can vacuumize the air entering the valve body 1 from the air source port 11, the vacuumizing device is a vacuum generator 6, the vacuum generator 6 comprises a generator body 61 communicated with a pressure relief pipeline 32, a generator body cover 62 is inserted at the other end of the generator body 61, which is relatively connected with the pressure relief pipeline 32, a connecting channel 16 connected with an external rim valve is arranged at the other side of the normally open piston group 5, which is relatively connected with the public pipeline 12, a sensor connecting channel 17 is arranged above the connecting channel 16 and the first pipeline 12, a valve body upper cover 7 is connected right above the valve body 1, a sensor 8 is arranged in the valve body upper cover 7, the other end of the sensor 8 is connected with the valve body 1 and is communicated with the sensor connecting channel 17, a circuit board installation inner box 81 is arranged at the other end of the valve body upper cover 7, which is relatively provided with the sensor 8, a circuit board installation inner box cover 82 is arranged at the circuit board installation inner box 81, a circuit board 83 is arranged in the circuit board installation inner box 81, an external wiring harness 71 is arranged at one side of the valve body upper cover 7, the valve body 1 is also internally provided with two groups of heating devices which are arranged oppositely, each heating device comprises a heating rod 18 and a heating element 19 which is communicated with the heating rod 18, the other end of the valve body 1, which is connected with one end of the valve body upper cover 7 oppositely, is provided with a mounting bracket 9, and the valve body 1 is connected with the mounting bracket 9 through a valve body sealing piece 91.
Claims (4)
1. Negative pressure central control valve of automobile tire inflation and deflation system, including the inside valve body that is equipped with the air pipe, its characterized in that: the valve body is provided with an air source port on one side, the air source port is communicated with a first normally closed piston group through a public pipeline, one end of the first normally closed piston group is communicated with a pressure release piston group through public, the other end of the public pipeline, which is relatively connected with the first normally closed piston group, is communicated with a second normally closed piston group, one side of the pressure release piston group is provided with a pressure release port, the pressure release port is communicated with a pressure release pipeline, the public pipeline is relatively connected with the first normally closed piston group, the pressure release piston group and the other side of the second normally closed piston group, which are communicated with at least four normally open piston groups distributed at equal intervals, the other side of the pressure release pipeline is connected with a vacuumizing device, the vacuumizing device can vacuumize air entering the valve body from the air source port, the vacuumizing device is a vacuum generator, the vacuum generator comprises a generator body which is communicated with the pressure release pipeline, the other end of the generator body, which is relatively connected with the pressure relief pipeline, is inserted with a generator body cover, the other side of the normally open piston group, which is relatively communicated with the public pipeline, is provided with a connecting channel connected with an external rim valve, the upper part of the public pipeline is provided with a sensor connecting channel, the upper part of the valve body is connected with a valve body upper cover, a sensor is arranged in the valve body upper cover, the other end of the sensor is connected with the valve body and is communicated with the sensor connecting channel, the other end of the valve body upper cover, which is relatively provided with the sensor, is provided with a circuit board mounting inner box, the circuit board mounting inner box is provided with a circuit board, the circuit board is electrically connected with the first normally closed piston group and the normally open piston group, a plurality of electromagnetic coils are also arranged in the valve body upper cover, and electromagnetic valves are formed by cooperation among the first normally closed piston group, the second normally closed piston group and the normally open piston group, sensing the pressure value between the first normally closed piston group and the normally open piston group is implemented through a sensor connected with the circuit board.
2. The negative pressure central control valve of an automobile tire inflation and deflation system according to claim 1, wherein: an external wiring harness is arranged on one side of the upper cover of the valve body.
3. The negative pressure central control valve of an automobile tire inflation and deflation system according to claim 2, wherein: and two groups of heating devices which are oppositely arranged are also arranged in the valve body, and each heating device comprises a heating rod and a heating element communicated with the heating rod.
4. The negative pressure central control valve of an automobile tire inflation and deflation system according to claim 1, wherein: the other end of the valve body, which is connected with one end of the valve body upper cover, is provided with a mounting bracket, and the valve body is connected with the mounting bracket through a valve body sealing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214105.7A CN107883053B (en) | 2017-11-28 | 2017-11-28 | Negative pressure central control valve of automobile tyre inflation and deflation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214105.7A CN107883053B (en) | 2017-11-28 | 2017-11-28 | Negative pressure central control valve of automobile tyre inflation and deflation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107883053A CN107883053A (en) | 2018-04-06 |
| CN107883053B true CN107883053B (en) | 2023-11-24 |
Family
ID=61775648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711214105.7A Active CN107883053B (en) | 2017-11-28 | 2017-11-28 | Negative pressure central control valve of automobile tyre inflation and deflation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107883053B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626481B (en) * | 2018-05-24 | 2023-11-21 | 江苏一控真空注胶技术有限公司 | Vacuum air-release integrated valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB694475A (en) * | 1950-10-30 | 1953-07-22 | Bendix Westinghouse Automotive | Improvements in or relating to tyre inflation control systems |
| GB702621A (en) * | 1950-10-30 | 1954-01-20 | Bendix Westinghouse Automotive | Improvements in or relating to tire inflation control systems |
| CN105840881A (en) * | 2016-04-29 | 2016-08-10 | 武汉元丰汽车技术发展有限公司 | Wheel-side system assembly |
| CN205605896U (en) * | 2016-04-29 | 2016-09-28 | 武汉元丰汽车技术发展有限公司 | Wheel limit valve assembly |
| CN207500596U (en) * | 2017-11-28 | 2018-06-15 | 瑞安市瀚德车辆部件有限公司 | Valve is controlled in the negative pressure of automobile tire air-charging and air-discharging system |
-
2017
- 2017-11-28 CN CN201711214105.7A patent/CN107883053B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB694475A (en) * | 1950-10-30 | 1953-07-22 | Bendix Westinghouse Automotive | Improvements in or relating to tyre inflation control systems |
| GB702621A (en) * | 1950-10-30 | 1954-01-20 | Bendix Westinghouse Automotive | Improvements in or relating to tire inflation control systems |
| CN105840881A (en) * | 2016-04-29 | 2016-08-10 | 武汉元丰汽车技术发展有限公司 | Wheel-side system assembly |
| CN205605896U (en) * | 2016-04-29 | 2016-09-28 | 武汉元丰汽车技术发展有限公司 | Wheel limit valve assembly |
| CN207500596U (en) * | 2017-11-28 | 2018-06-15 | 瑞安市瀚德车辆部件有限公司 | Valve is controlled in the negative pressure of automobile tire air-charging and air-discharging system |
Non-Patent Citations (1)
| Title |
|---|
| 揭开轮胎中央充放气系统的神秘面纱;彭永胜\n\n\n,徐友春\n\n\n,赵玉凡;汽车运用(第03期);全文 * |
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| Publication number | Publication date |
|---|---|
| CN107883053A (en) | 2018-04-06 |
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