CN113266499A - Car check valve and car - Google Patents
Car check valve and car Download PDFInfo
- Publication number
- CN113266499A CN113266499A CN202110612757.6A CN202110612757A CN113266499A CN 113266499 A CN113266499 A CN 113266499A CN 202110612757 A CN202110612757 A CN 202110612757A CN 113266499 A CN113266499 A CN 113266499A
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- Prior art keywords
- valve
- sleeve
- head
- core
- valve sleeve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
Abstract
The invention provides an automatic opening and closing check valve of an automobile and the automobile, wherein the check valve comprises: the breather valve comprises a valve sleeve, a valve head, a valve core and a control piece, wherein the valve sleeve and the valve head are designed to be hollow structures, the valve sleeve is connected with the valve head, the valve sleeve is connected with the breather pipe, and the valve head is fixed on the oil tank; the valve core and the control part are arranged in the hollow structures of the valve sleeve and the valve head, the control part is connected with the valve core, the valve core is of a two-section type, the control part controls the valve core and the valve sleeve to move relatively, the side of the valve core close to the breathing oil pipe slides in the hollow structure of the valve sleeve, and the side of the valve core close to the oil tank is abutted to the valve sleeve or is not abutted to the valve sleeve. The invention realizes the automatic opening or closing effect of the valve after the breathing oil pipe is installed or disassembled.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a one-way valve connected with an automobile oil tank and an automobile.
Background
With the improvement of the requirements of consumers on automobiles, the four-wheel steering technology is applied to the field of automobiles, and the driving requirements under different speeds are met through the steering control of rear wheels. The oil suction and oil discharge are required to be carried out on the system in the rear wheel pair from the oil tank through the breathing oil pipe in the working process, so that the breathing oil pipe is designed to be connected with the oil tank through a valve so as to meet the working requirements of the system. The oil tank is required to be detached to check other parts in the maintenance process, and the oil leakage problem can occur when the oil tank is detached because the valve is arranged at the bottom of the oil tank, so that the oil in the oil tank is required to be completely emptied to guarantee normal maintenance, and the oil in the oil tank is wasted.
Disclosure of Invention
The embodiment of the invention provides an automatic opening and closing one-way valve, which aims to solve the problem of waste caused by oil needing to be drained from an oil tank during maintenance.
In order to achieve the above object, an embodiment of the present invention provides a check valve for connecting a fuel tank and a breather pipe, including: valve barrel, valve head, case and control spare wherein:
the valve sleeve and the valve head are designed to be hollow structures, the valve sleeve is connected with the valve head, the valve sleeve is connected with the breathing oil pipe, and the valve head is fixed on the oil tank;
the valve core and the control part are arranged in hollow structures of the valve sleeve and the valve head, the control part is connected with the valve core, the valve core is in a two-section type, the control part controls the valve core and the valve sleeve to move relatively, the side of the valve core close to the breathing oil pipe slides in the hollow structure of the valve sleeve, and the side of the valve core close to the oil tank is abutted or not abutted with the valve sleeve;
the cross-sectional area of one side of the valve core close to the oil tank, which is perpendicular to the flow direction of the valve, is larger than the cross-sectional area of the hollow structure of the valve sleeve, which is perpendicular to the flow direction of the valve, and the cross-sectional area of one side of the valve core close to the breather pipe, which is perpendicular to the flow direction of the valve, is smaller than the cross-sectional area of the hollow structure of the valve sleeve, which is perpendicular to the flow direction of the valve.
The embodiment of the invention also provides an automobile, which is characterized by comprising the one-way valve provided by the embodiment of the invention.
One of the above technical solutions has the following advantages or beneficial effects:
in the embodiment of the invention, the one-way valve comprises a valve head, a valve sleeve, a valve core and a control piece and is connected with the breathing oil pipe. When the breathing oil pipe is connected with the one-way valve, the breathing oil pipe is abutted against the valve core and is extruded to move towards the direction of an oil tank, so that a gap is formed between the valve sleeve and the valve core, and the one-way valve is conducted; when the breathing oil pipe is detached from the one-way valve by a person, the control piece extrudes the valve core to move towards the breathing oil pipe, so that the valve sleeve is abutted against the valve core, and the one-way valve is closed. Compared with the valve in the prior art, the embodiment of the invention realizes the automatic opening or closing effect of the valve after the breathing oil pipe is installed or disassembled.
Drawings
FIG. 1 is a schematic structural diagram of a breathing oil pipe installed with an automatic opening and closing check valve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the automatic opening and closing check valve provided by the embodiment of the invention after the breathing oil pipe is detached.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a structural schematic diagram of an automatic opening and closing check valve for connecting a fuel tank and a breathing fuel pipe 1, as shown in fig. 1, including: the breather valve comprises a valve sleeve 2, a valve core 3, a control piece 4 and a valve head 5, wherein the valve sleeve 2 and the valve head 5 are designed to be hollow structures, the valve sleeve 2 is connected with the valve head 5, the valve sleeve 2 is connected with a breather pipe 1, and the valve head 5 is fixed on an oil tank;
the valve core 3 and the control part 4 are arranged in the hollow structures of the valve sleeve 2 and the valve head 5, the control part 5 is connected with the valve core 3, the valve core 3 is designed to be two-section, the control part 5 controls the valve core 3 and the valve sleeve 2 to move relatively, the side of the valve core 3 close to the breather pipe 1 slides in the hollow structure of the valve sleeve 2, and the side of the valve core 3 close to the oil tank is abutted or not abutted with the valve sleeve 2;
the cross-sectional area of one side of the valve core 3 close to the oil tank, which is perpendicular to the flow direction of the valve, is larger than the cross-sectional area of the hollow structure of the valve sleeve 2, which is perpendicular to the flow direction of the valve, and the cross-sectional area of one side of the valve core 3 close to the breathing oil pipe 1, which is perpendicular to the flow direction of the valve, is smaller than the cross-sectional area of the hollow structure of the valve sleeve 2, which is perpendicular to the flow direction of the valve.
The working principle of the embodiment can be referred to as the following expression: as shown in fig. 1, when the breathing oil pipe 1 is installed, the breathing oil pipe 1 abuts against the valve core 3 and presses the valve core 3 to move towards the oil tank, and a certain gap 6 is formed between the side of the valve core 3 close to the oil tank and the valve sleeve 2 to communicate with the one-way valve. As shown in fig. 2, after the breather pipe 1 is disassembled, the valve core 3 is pressed by the control member 4 to move towards the breather pipe 1, the side of the valve core 3 close to the oil tank is abutted with the valve sleeve 2, and the one-way valve is closed.
In addition, the control part 5 can be designed to be an elastic part for extruding the valve core 3 to move, and can also be designed to be a slider with a certain weight for pulling the valve core 3 to move, and the control part 5 can meet the requirement of controlling the valve core 3 to move towards a fixed direction.
Wherein, the check valve is illustrated in fig. 1, the material of the check valve can be any material that can be used as a check valve, such as: the present embodiment is not limited to this embodiment, and any material such as a metal material or an organic polymer material may be used as the check valve.
As an alternative embodiment, as shown in fig. 1, the valve housing 2 is designed to be circular and the hollow interior of the valve housing 2 is designed to be circular. Meanwhile, the valve head 5 is also designed to be circular, and the internal hollow structure of the valve head 5 is designed to be circular. The outer diameter of the valve housing 2 corresponds to the inner diameter of the valve head 5.
In this embodiment, the valve housing 2 and the valve head 5 may be fixed by screwing, or may be fixed by welding or other methods with equivalent effect, which is not limited to this embodiment of the present invention.
As an alternative embodiment, the outer surface of the valve sleeve 2 is designed as a two-step structure, the cross section of the valve sleeve 2 close to the oil tank perpendicular to the flow direction is consistent with the cross section of the hollow structure of the valve head 5 perpendicular to the flow direction, and the cross section of the valve sleeve 2 close to the breather pipe 1 perpendicular to the flow direction is larger than the cross section of the hollow structure of the valve head 5 perpendicular to the flow direction and can be completely covered.
Wherein, valve barrel 2 designs for two segmentation structures, valve barrel 2 is close to the oil tank side can realize with the normal of valve head 5 is connected, and valve barrel 2 is close to 1 side of breathing oil pipe can cover completely valve head 5 prevents that the dust from getting into the revealing of check valve and fluid.
As an alternative embodiment, the valve core 3 is designed in the shape of a sphere that extends out of a cylinder, wherein the spherical side of the valve core 3 is close to the oil tank and abuts against the control element 4; the cylindrical side of the valve core is close to the breathing oil pipe 1 and is abutted against the breathing oil pipe 1, and the diameter of the cylindrical side of the valve core 3 is smaller than the inner diameter of the breathing oil pipe 1.
In this embodiment, the valve body 3 is designed to have a spherical shape on the side close to the tank, which is adapted to the inner diameter of the valve housing 2 according to the embodiment of the present invention, and can completely block flow when in contact, and the presence of the gap 6 when not in contact can ensure the flow of the check valve. The cylindrical part of the spool 3 acts as a guide, making the direction of movement of the spool 3 coincide with the direction of the valve housing 2 and changing the state of the control member 4 by abutting or not abutting the breather tube 1.
As an alternative embodiment, the control element 4 comprises a spring and a spring seat, the spring seat is designed as a concave shape, the concave side is close to the valve head, the spring is arranged in a hollow area formed by the spring seat and the valve head, and the diameter of the spring seat is smaller than the inner diameter of the valve head.
In the above embodiment, the spring is provided with a predetermined amount of compression, and the spring seat can be kept in continuous contact with the valve body 3. The diameter of the spring seat is smaller than the inner diameter of the valve head 5, so that oil can pass through the spring seat.
As an alternative embodiment, the valve head 5 is provided with an oil outlet on the side close to the oil tank, and the area of the oil outlet is smaller than the cross-sectional area of the spring seat perpendicular to the flow direction of the valve.
The valve head 5 is provided with the oil outlet for realizing communication of the one-way valve, and the area of the oil outlet is smaller than the cross-sectional area of the spring seat perpendicular to the flow direction of the valve, so that the spring base is built in the valve head 5 to continuously provide extrusion effect on the valve core 3.
In the embodiment of the invention, the one-way valve comprises a valve head, a valve sleeve, a valve core and a control piece, and when the breathing oil pipe is connected with the one-way valve, the breathing oil pipe is abutted against the valve core and is extruded to move towards the direction of an oil tank, so that a gap is formed between the valve sleeve and the valve core, and the one-way valve is conducted; when the breathing oil pipe is detached from the one-way valve by a person, the control element extrudes the valve core to move towards the breathing oil pipe, so that the valve sleeve is abutted against the valve core, the one-way valve is closed, and the automatic opening or closing effect of the valve after the breathing oil pipe is installed or detached is realized.
In addition, the embodiment of the invention also provides an automobile comprising the one-way valve in any one of the implementation modes provided by the embodiment of the invention.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A check valve for connecting a fuel tank to a breather tube, comprising: the breather valve comprises a valve sleeve, a valve head, a valve core and a control piece, wherein the valve sleeve and the valve head are designed to be hollow structures, the valve sleeve is connected with the valve head, the valve sleeve is connected with the breather pipe, and the valve head is fixed on the oil tank;
the valve core and the control part are arranged in hollow structures of the valve sleeve and the valve head, the control part is connected with the valve core, the valve core is in a two-section type, the control part controls the valve core and the valve sleeve to move relatively, the side of the valve core close to the breathing oil pipe slides in the hollow structure of the valve sleeve, and the side of the valve core close to the oil tank is abutted or not abutted with the valve sleeve;
the cross-sectional area of one side of the valve core close to the oil tank, which is perpendicular to the flow direction of the valve, is larger than the cross-sectional area of the hollow structure of the valve sleeve, which is perpendicular to the flow direction of the valve, and the cross-sectional area of one side of the valve core close to the breather pipe, which is perpendicular to the flow direction of the valve, is smaller than the cross-sectional area of the hollow structure of the valve sleeve, which is perpendicular to the flow direction of the valve.
2. The one-way valve structure as claimed in claim 1, wherein the valve sleeve is designed into two sections, and the hollow structure of the valve sleeve is designed into a circular shape, wherein the outer diameter of the valve sleeve on the side close to the oil tank is the same as the inner diameter of the valve head, the outer diameter of the valve sleeve on the side close to the breathing oil pipe is larger than the inner diameter of the valve head, and the valve sleeve and the valve head are screwed or welded; the inner diameter of the hollow structure of the valve sleeve is the same as the outer diameter of the breathing oil pipe.
3. The check valve structure of claim 1, wherein said spool is designed to spherically extend out in a cylindrical shape, wherein a spherical side of said spool is adjacent to said tank and abuts said control member; the valve core cylindrical side is close to the breathing oil pipe and is abutted against the breathing oil pipe, and the diameter of the valve core cylindrical side is smaller than the inner diameter of the breathing oil pipe.
4. The one-way valve structure of claim 1, wherein the control member comprises: the spring seat is designed to be concave, the concave side is close to the valve head, the spring is arranged in a hollow area formed by the spring seat and the valve head, and the diameter of the spring seat is smaller than the inner diameter of the valve head.
5. The check valve arrangement as recited in claim 1 wherein said valve head is provided with an outlet port adjacent the tank side, said outlet port having an area smaller than the cross-sectional area of said spring seat perpendicular to the valve flow direction.
6. An automobile, characterized in that the automobile comprises a one-way valve according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110612757.6A CN113266499A (en) | 2021-06-02 | 2021-06-02 | Car check valve and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110612757.6A CN113266499A (en) | 2021-06-02 | 2021-06-02 | Car check valve and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113266499A true CN113266499A (en) | 2021-08-17 |
Family
ID=77233862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110612757.6A Pending CN113266499A (en) | 2021-06-02 | 2021-06-02 | Car check valve and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113266499A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637351A (en) * | 1986-03-28 | 1987-01-20 | Ford Motor Company | System for removal of water from diesel fuel systems |
| JPH07259680A (en) * | 1994-03-22 | 1995-10-09 | Nissan Diesel Motor Co Ltd | Automatic water discharging device for fuel strainer |
| CN2860952Y (en) * | 2005-12-17 | 2007-01-24 | 刘汉奎 | Oil stealing prevention device for oil filling port of oil tank |
| CN201696192U (en) * | 2010-05-18 | 2011-01-05 | 中国石油集团东方地球物理公司东部勘探事业部长庆物探处装备管理服务中心 | Air exhaust valve |
| US20120285556A1 (en) * | 2011-05-11 | 2012-11-15 | Ulrich Erb | Pressure-limiting valve |
| CN104373642A (en) * | 2014-11-13 | 2015-02-25 | 常州市华贤五金厂 | Novel one-way valve |
| CN205559127U (en) * | 2016-03-01 | 2016-09-07 | 上汽通用汽车有限公司 | Vehicle fires oil recovery device |
| CN109736984A (en) * | 2019-03-01 | 2019-05-10 | 广西玉柴机器股份有限公司 | A kind of engine oil return pipe of built-in one-way valve structures |
| CN111237279A (en) * | 2020-03-24 | 2020-06-05 | 北京天地玛珂电液控制系统有限公司 | Valve element assembly, hydraulic control one-way valve and valve sleeve |
| CN210714892U (en) * | 2019-08-29 | 2020-06-09 | 江铃汽车股份有限公司 | Fuel pipeline for reducing NVH of whole vehicle |
-
2021
- 2021-06-02 CN CN202110612757.6A patent/CN113266499A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637351A (en) * | 1986-03-28 | 1987-01-20 | Ford Motor Company | System for removal of water from diesel fuel systems |
| JPH07259680A (en) * | 1994-03-22 | 1995-10-09 | Nissan Diesel Motor Co Ltd | Automatic water discharging device for fuel strainer |
| CN2860952Y (en) * | 2005-12-17 | 2007-01-24 | 刘汉奎 | Oil stealing prevention device for oil filling port of oil tank |
| CN201696192U (en) * | 2010-05-18 | 2011-01-05 | 中国石油集团东方地球物理公司东部勘探事业部长庆物探处装备管理服务中心 | Air exhaust valve |
| US20120285556A1 (en) * | 2011-05-11 | 2012-11-15 | Ulrich Erb | Pressure-limiting valve |
| CN104373642A (en) * | 2014-11-13 | 2015-02-25 | 常州市华贤五金厂 | Novel one-way valve |
| CN205559127U (en) * | 2016-03-01 | 2016-09-07 | 上汽通用汽车有限公司 | Vehicle fires oil recovery device |
| CN109736984A (en) * | 2019-03-01 | 2019-05-10 | 广西玉柴机器股份有限公司 | A kind of engine oil return pipe of built-in one-way valve structures |
| CN210714892U (en) * | 2019-08-29 | 2020-06-09 | 江铃汽车股份有限公司 | Fuel pipeline for reducing NVH of whole vehicle |
| CN111237279A (en) * | 2020-03-24 | 2020-06-05 | 北京天地玛珂电液控制系统有限公司 | Valve element assembly, hydraulic control one-way valve and valve sleeve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210817 |