CN107697058B - Check valve of vacuum pressure sensor - Google Patents
Check valve of vacuum pressure sensor Download PDFInfo
- Publication number
- CN107697058B CN107697058B CN201711147473.4A CN201711147473A CN107697058B CN 107697058 B CN107697058 B CN 107697058B CN 201711147473 A CN201711147473 A CN 201711147473A CN 107697058 B CN107697058 B CN 107697058B
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- half shell
- pressure sensor
- vacuum pressure
- vacuum
- lower half
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to a vacuum pressure sensor check valve, which comprises a check valve main body and a vacuum pressure sensor arranged on the check valve main body, wherein the check valve main body comprises an upper half shell, a lower half shell and a valve plate, and can realize vacuum degree detection.
Description
Technical Field
The invention belongs to the technical field of automobile brake auxiliary systems, relates to an automobile brake component, and in particular relates to a vacuum pressure sensor check valve of a vacuum power assisting system.
Background
With the high-speed development of the automobile industry, automobile users have higher requirements on automobile safety performance, and a vacuum booster on an automobile has become an indispensable part on the automobile, and the rationality of the part design directly influences the safety and reliability of the automobile during braking. In the prior art, the automobile assists a braking component to brake by vacuum generated by an engine, and the higher the vacuum degree is, the better the braking performance is. However, along with the development of automobile technology, whether the vacuum degree in the booster meets the requirement of automobile vacuum boosting is important, so that the vacuum booster is introduced into the automobile vacuum booster to detect the vacuum pressure, and meanwhile, the vacuum booster is compatible with the function of a one-way valve which is required to be provided with the consideration of the prior safety.
Disclosure of Invention
The invention aims to provide the vacuum pressure sensor check valve capable of realizing vacuum degree detection, which is integrated into the existing vacuum booster pipeline, not only meets the function of vacuum degree detection control of a vacuum booster, but also ensures the condition and control function of the check valve on the vacuum degree of a vacuum system, and reduces the cost compared with an integrated scheme.
In order to achieve the above purpose, the present invention provides the following technical solutions: a one-way valve of a vacuum pressure sensor comprises a one-way valve main body and a vacuum pressure sensor arranged on the one-way valve main body, wherein the one-way valve main body comprises an upper half shell, a lower half shell and a valve plate,
the upper half shell is connected to the lower half shell in a covering way, an air outlet end is arranged on the lower half shell, an air outlet manifold is arranged on the air outlet end, and a first barb is arranged on the outer surface of the air outlet manifold;
an air inlet end is arranged at one end of the upper half shell, an air inlet manifold is arranged on the air inlet end, and a second barb is arranged on the outer surface of the air inlet manifold;
the valve plate is arranged between the upper half shell and the lower half shell.
In order to facilitate connection between the check valve main body and the vacuum pressure sensor, a clamping structure is arranged between the check valve main body and the vacuum pressure sensor.
In order to facilitate connection between the check valve main body and the vacuum pressure sensor, a buckling device is arranged at one end of the lower half shell, and the vacuum pressure sensor is buckled with the lower half shell through the buckling device.
For being convenient for be connected between check valve main part and the vacuum pressure sensor, buckle device includes the buckle, the buckle is the concave shape structure, is located the opening has been seted up to the both sides of buckle, be equipped with on the vacuum pressure sensor with opening matched with lug, the vacuum pressure sensor passes through lug and open-ended mutually supporting lock joint on the inferior half shell.
In order to be convenient for spacing to vacuum pressure sensor, one side of buckle still is equipped with the stopper, vacuum pressure sensor carries out spacing setting on through the stopper.
In order to improve the tightness between the check valve main body and the vacuum pressure sensor, a sealing ring is arranged between the vacuum pressure sensor and the lower half shell.
Compared with the prior art, the invention has the beneficial effects that: the invention provides the one-way valve of the vacuum pressure sensor, which can realize the detection of the vacuum degree, is integrated into the existing vacuum booster pipeline, not only meets the function of detecting and controlling the vacuum degree of the vacuum booster, but also ensures the condition and the control function of the one-way valve on the vacuum degree of a vacuum system, and reduces the cost compared with an integrated scheme, and on the other hand, the main function of the one-way valve of the vacuum pressure sensor is used for detecting the vacuum degree in the booster, and meanwhile, the one-way valve of the vacuum pressure sensor has the one-way conduction function, and the part consists of the vacuum pressure sensor and the one-way valve according to the functions, and the two parts are independently manufactured and finally assembled together.
Drawings
FIG. 1 is a schematic diagram of a check valve structure of a vacuum pressure sensor according to the present invention;
FIG. 2 is a schematic diagram of the main structure of a check valve of the vacuum pressure sensor;
FIG. 3 is a partial cross-sectional view of a check valve body of a vacuum pressure sensor check valve of the present invention;
fig. 4 is a cross-sectional view of a vacuum pressure sensor check valve of the present invention.
In the reference numerals: 1. a check valve body; 2. a vacuum pressure sensor; 3. an upper half shell; 4. a lower half shell; 5. a valve plate; 6. an air outlet end; 7. an outlet manifold; 8. a first barb; 9. an air inlet end; 10. an intake manifold; 11. a second barb; 12. a buckle device; 13. a buckle plate; 14. an opening; 15. a bump; 16. a limiting block; 17. a seal ring; 18. an upper half shell support column; 19. the lower half shell support column 19.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Examples:
as shown in fig. 1-3, in order to achieve the above object, the present invention provides the following technical solutions: the check valve of the vacuum pressure sensor comprises a check valve main body 1 and a vacuum pressure sensor 2 arranged on the check valve main body 1, wherein the check valve main body 1 comprises an upper half shell 3, a lower half shell 4 and a valve plate 5, the upper half shell 3 is covered on the lower half shell 4, an air outlet end 6 is arranged on the lower half shell 4, an air outlet manifold 7 is arranged on the air outlet end 6, and a first barb 8 is arranged on the outer surface of the air outlet manifold 7; an air inlet end 9 is arranged at one end of the upper half shell 3, an air inlet manifold 10 is arranged on the air inlet end 9, and a second barb 11 is arranged on the outer surface of the air inlet manifold 10; valve block 5 sets up between last half shell 3 and lower half shell 4, be joint structure between check valve main part 1 and the vacuum pressure sensor 2, be located be equipped with buckle device 12 on the one end of lower half shell 4, vacuum pressure sensor 2 passes through buckle device 12 and the lock joint of lower half shell 4, buckle device 12 includes buckle 13, buckle 13 is the concave structure, is located opening 14 has been seted up to the both sides of buckle 13, be equipped with on the vacuum pressure sensor 2 with opening 14 matched with lug 15, the vacuum pressure sensor 2 passes through the mutual cooperation lock joint of lug 15 and opening 14 on lower half shell 4, one side of buckle 13 still is equipped with stopper 16, vacuum pressure sensor 2 carries out spacing setting on through stopper 16, is located be equipped with sealing washer 17 between vacuum pressure sensor 2 and the lower half shell 4.
The vacuum pressure sensor 2 check valve provided by the embodiment of the invention can realize the vacuum degree detection of the vacuum pressure sensor 2 check valve, is integrated into the existing vacuum booster pipeline, not only meets the function of vacuum degree detection control of a vacuum booster, but also ensures the condition and control function of the check valve on the vacuum degree of a vacuum system, and reduces the cost compared with an integrated scheme;
the main function of the vacuum pressure sensor 2 check valve is to detect the vacuum degree in the booster, and the vacuum pressure sensor 2 check valve has the one-way conduction function of the check valve, and the vacuum pressure sensor 2 and the check valve are respectively formed by two parts according to the function, and are manufactured independently and finally assembled together.
Meanwhile, the check valve of the vacuum pressure sensor 2 provided by the implementation consists of two parts: vacuum pressure sensor 2 and check valve body 1: the vacuum pressure sensor 2 is used as an electronic detection element, the electronic detection element belongs to a purchasing accessory and is not in a detailed design range in the design of the part, the check valve main body 1 is used as a check valve functional part of the part and an integrated function of the assembly to be provided with a design core part of the part, wherein the check valve main body 1 comprises an upper half shell 3, a lower half shell 4 and a valve plate 5, the upper half shell 3 is provided with bamboo joint barbs, and the connection with a check valve through a PA pipe and the connection with a booster can be indirectly ensured. One end of the lower half shell 4 is provided with bamboo joint barbs which are quickly connected with a vacuum booster of an automobile, and in addition, the lower half shell 4 is also provided with a clamping device 12 assembled with the vacuum pressure sensor 2, a limiting block 16 and the like. The check valves are designed between the upper half shell 3 and the lower half shell 4, and the functions of the check valves are mainly realized in two aspects, namely, 1, the air flow from the direction of the vacuum booster to the direction of the vacuum source is ensured. 2. Preventing air from flowing from the direction of the vacuum source or the direction of the air filtering to the direction of the vacuum booster, and ensuring that the vacuum of the vacuum booster can be effectively maintained.
The invention structurally designs a one-way valve unit, and the function of the one-way valve is realized by three parts of a flange of the upper half shell 3, an upper half shell supporting column 18 and a valve plate 5. When the check valve needs to be conducted, the valve plate 5 is attached to the lower half shell supporting column 19, and the gap at the lower end of the supporting column ensures that gas can smoothly pass through. On the contrary, when the check valve needs to be closed, the valve plate 5 is tightly attached to the flange of the upper half shell 3, so that the sealing requirement of the upper half shell 3 is ensured. When the vacuum pressure sensor 2 and the check valve body are assembled, the lower half shell 4 of the check valve is provided with a positioning boss and is connected with the sensor in a buckling way, so that the assembly is simple and reliable, and the positioning is firm. Meanwhile, the positioning guide plates are designed, so that the assembly accuracy of the positioning guide plates and the positioning guide plates is high.
The whole valve body is made of plastic materials, all parts are made of high-quality inlet materials, and the valve body is good in flame resistance and mechanical property. The check valve of the vacuum pressure sensor 2 is ensured to be normally used at the temperature of between 40 ℃ below zero and 150 ℃.
When the vacuum pressure sensor 2 is applied, one end of the lower half shell 4 is connected with the booster, the other end is connected with the vacuum pressure sensor 2, one end of the upper half shell 3 is connected with the air inlet manifold 10, air firstly enters the air inlet manifold from the vacuum booster due to the existence of a vacuum source, the vacuum degree in the booster is increased, and the vacuum pressure sensor 2 can test and detect the pressure in the vacuum booster due to the fact that the vacuum pressure sensor 2 is assembled on the lower shell of the one-way valve. When the vacuum level in the booster is greater than the manifold vacuum level, the check valve closes preventing other reverse flows. When the vacuum pressure sensor 2 detects that the pressure in the vacuum booster is lower than the safety vacuum, the automobile computer can obtain a signal and take corresponding commands such as starting the vacuum pump. The detection and control functions of the vacuum pressure sensor 2 are all active in the whole process.
The above embodiments are provided for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, and thus all equivalent technical solutions should be defined by the claims.
Claims (3)
1. The one-way valve of the vacuum pressure sensor is characterized by comprising a one-way valve main body (1) and a vacuum pressure sensor (2) arranged on the one-way valve main body (1), wherein the one-way valve main body (1) comprises an upper half shell (3), a lower half shell (4) and a valve plate (5),
the upper half shell (3) is connected to the lower half shell (4) in a covering manner, an air outlet end (6) is arranged on the lower half shell (4), an air outlet manifold (7) is arranged on the air outlet end (6), and a first barb (8) is arranged on the outer surface of the air outlet manifold (7);
an air inlet end (9) is arranged at one end of the upper half shell (3), an air inlet manifold (10) is arranged on the air inlet end (9), and a second barb (11) is arranged on the outer surface of the air inlet manifold (10);
the valve plate (5) is arranged between the upper half shell (3) and the lower half shell (4);
a clamping device (12) is arranged at one end of the lower half shell (4), and the vacuum pressure sensor (2) is buckled with the lower half shell (4) through the clamping device (12);
a sealing ring (17) is arranged between the vacuum pressure sensor (2) and the lower half shell (4);
the air outlet end (6) is connected with a vacuum booster of the automobile through the air outlet manifold (7);
the air inlet end (9) is connected with a vacuum booster of the automobile through the air inlet manifold (10);
when the check valve needs to be conducted, the valve plate (5) is attached to the support column (19) of the lower half shell, the gap at the lower end of the support column ensures that gas can smoothly pass through, otherwise, when the check valve needs to be closed, the valve plate (5) is attached to the flange of the upper half shell (3), and the sealing requirement of the upper half shell (3) is ensured.
2. A vacuum pressure sensor one-way valve according to claim 1, characterized in that the buckle device (12) comprises a buckle plate (13), the buckle plate (13) is in a concave structure, openings (14) are formed in two sides of the buckle plate (13), bumps (15) matched with the openings (14) are arranged on the vacuum pressure sensor (2), and the vacuum pressure sensor (2) is buckled on the lower half shell (4) through the mutual matching of the bumps (15) and the openings (14).
3. A vacuum pressure sensor one-way valve according to claim 2, characterized in that a limit block (16) is further arranged on one side of the pinch plate (13), and the vacuum pressure sensor (2) is arranged in a limit manner through the limit block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147473.4A CN107697058B (en) | 2017-11-17 | 2017-11-17 | Check valve of vacuum pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147473.4A CN107697058B (en) | 2017-11-17 | 2017-11-17 | Check valve of vacuum pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107697058A CN107697058A (en) | 2018-02-16 |
| CN107697058B true CN107697058B (en) | 2023-08-18 |
Family
ID=61180250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711147473.4A Active CN107697058B (en) | 2017-11-17 | 2017-11-17 | Check valve of vacuum pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107697058B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894897A (en) * | 2018-08-30 | 2018-11-27 | 河北亚大汽车塑料制品有限公司 | Threeway integrated check valve is set in one kind |
| CN109572649B (en) * | 2018-12-30 | 2023-10-24 | 吉林东光奥威汽车制动***有限公司 | Electric vacuum pump control device suitable for plateau and plateau areas |
| CN113044014A (en) * | 2019-12-27 | 2021-06-29 | 上海亚大汽车塑料制品有限公司 | Pressure retaining device of automobile vacuum braking system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002071499A (en) * | 2000-08-28 | 2002-03-08 | Matsushita Electric Works Ltd | Pressure sensor |
| JP2003042882A (en) * | 2001-08-02 | 2003-02-13 | Denso Corp | Pressure sensor mounting structure |
| CN101191752A (en) * | 2006-11-27 | 2008-06-04 | 罗伯特·博世有限公司 | Capteur de pression a clapet anti-retour |
| DE102010041170A1 (en) * | 2010-09-22 | 2011-03-24 | Alfmeier Präzision AG Baugruppen und Systemlösungen | Valve assembly for brake booster of motor vehicle, has pressure transducer with two pressure sensors that produce respective pressure measured values, where sensors are independently operable from one another and receive similar pressure |
| CN106195426A (en) * | 2016-09-21 | 2016-12-07 | 宁波乔士橡塑有限公司 | A kind of Novel vacuum check valve |
| CN207403723U (en) * | 2017-11-17 | 2018-05-25 | 河北亚大汽车塑料制品有限公司 | A kind of vacuum pressure sensor check valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007315792A (en) * | 2006-05-23 | 2007-12-06 | Mitsubishi Electric Corp | Pressure sensor mounting structure |
| DE102011004928A1 (en) * | 2010-03-09 | 2011-12-22 | Alfmeier Präzision AG Baugruppen und Systemlösungen | Pressure sensor, valve assembly and method of operation thereof |
-
2017
- 2017-11-17 CN CN201711147473.4A patent/CN107697058B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002071499A (en) * | 2000-08-28 | 2002-03-08 | Matsushita Electric Works Ltd | Pressure sensor |
| JP2003042882A (en) * | 2001-08-02 | 2003-02-13 | Denso Corp | Pressure sensor mounting structure |
| CN101191752A (en) * | 2006-11-27 | 2008-06-04 | 罗伯特·博世有限公司 | Capteur de pression a clapet anti-retour |
| DE102010041170A1 (en) * | 2010-09-22 | 2011-03-24 | Alfmeier Präzision AG Baugruppen und Systemlösungen | Valve assembly for brake booster of motor vehicle, has pressure transducer with two pressure sensors that produce respective pressure measured values, where sensors are independently operable from one another and receive similar pressure |
| CN106195426A (en) * | 2016-09-21 | 2016-12-07 | 宁波乔士橡塑有限公司 | A kind of Novel vacuum check valve |
| CN207403723U (en) * | 2017-11-17 | 2018-05-25 | 河北亚大汽车塑料制品有限公司 | A kind of vacuum pressure sensor check valve |
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| Publication number | Publication date |
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| CN107697058A (en) | 2018-02-16 |
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