CN207433272U - Fuel check valve and automobile - Google Patents
Fuel check valve and automobile Download PDFInfo
- Publication number
- CN207433272U CN207433272U CN201721585834.9U CN201721585834U CN207433272U CN 207433272 U CN207433272 U CN 207433272U CN 201721585834 U CN201721585834 U CN 201721585834U CN 207433272 U CN207433272 U CN 207433272U
- Authority
- CN
- China
- Prior art keywords
- valve block
- cylindrical tube
- bolt
- check valve
- fuel check
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a kind of fuel check valves, including a cylindrical tube, cylindrical tube is hollow structure, the periphery of cylindrical tube is equipped with ring flange, one end of cylindrical tube is equipped with valve block, sealing ring is equipped between valve block and cylindrical tube, cylindrical tube has a planar portions, planar portions are between valve block and ring flange, fixed frame there are two being set in planar portions, two fixed frames are set close to valve block, a through hole is equipped on each fixed frame, bolt is installed in through hole, and bolt passes through the valve block, valve block can be rotated around bolt, bolt is equipped with a return spring, return spring is located between two fixed frames, fixed station there are two being set on valve block, the position of two fixed stations is corresponding with the position of two fixed frames respectively, one end of return spring is resisted against in planar portions, the other end is connected with one of fixed station.Above-mentioned fuel check valve can effectively prevent fuel-steam to be dispersed by oil filler neck in air.The invention also discloses a kind of automobiles using the fuel check valve.
Description
Technical field
The utility model is related to technical field of automobile parts, more particularly to a kind of fuel check valve and automobile.
Background technology
Fuel check valve is one of important spare part of automobile oil tank system, and fuel check valve is to refuel in order to prevent
In journey and at the end of refueling, the excessive pressure of fuel tank internal promotes fuel liquid adverse current into oil filler neck, so as to causing pair plus
The injury of oily personnel and the pollution of environment.
The general structure of fuel check valve is that multi-disc or one chip valve block are unidirectionally overturn around its own axis at present, is formed to combustion
Oil retracts into the prevention of oil filler neck.
Above-mentioned this sealing structure is poor, and non-return effect is general, does not have resistance value fuel-steam adverse current into oil filler neck
Purpose, cause fuel-steam that can reach in air, cause environmental pollution, cause the wasting of resources.
Utility model content
One purpose of the utility model is to propose that one kind can effectively prevent fuel-steam from distributing by oil filler neck
Fuel check valve into air.
A kind of fuel check valve, including a cylindrical tube, the cylindrical tube is hollow structure, and the periphery of the cylindrical tube is equipped with
Ring flange, the ring flange cover for being assembled on fuel tank, and one end of the cylindrical tube is equipped with valve block, the valve block with it is described
Sealing ring is equipped between cylindrical tube, the cylindrical tube has a planar portions, and the planar portions are located at the valve block and the flange
It between disk, is set in the planar portions there are two fixed frame, two fixed frames are set close to the valve block, each fixation
A through hole is equipped on frame, bolt is installed in the through hole, and the bolt, through the valve block, the valve block can be inserted around described
Pin rotates, and the bolt is equipped with a return spring, and the return spring is located between two fixed frames, on the valve block
If there are two fixed stations, the position of two fixed stations is corresponding with the position of two fixed frames respectively, the return bullet
One end of spring is resisted against in the planar portions, and the other end is connected with fixed station one of them described.
According to the utility model proposes fuel check valve, be welded in by ring flange on fuel tank, when refuel when, fuel oil leads to
It crosses oil filling pipe to enter in the pipe of cylindrical tube, washes valve block open, valve block is rotated around bolt, and opens certain angle, until on valve block
The bottom of two fixed stations and fixed frame is against then fuel oil enters fuel tank internal by the passage of unlatching.After oiling,
Valve block recovers to close under elastically-deformable active force in return spring, and then is close to sealing ring, and liquid fuel and oil is prevented to steam
Vapour is regurgitated into oil filling pipe, and above-mentioned fuel check valve non-return effect is more preferable, while salable oil vapour, can effectively prevent fuel oil
Steam is dispersed by oil filler neck in air, it is therefore prevented that air pollution and the wasting of resources.And the fuel check valve is applicable in simultaneously
In ORVR oil tank systems and non-ORVR oil tank systems, more practicability.
In addition, according to fuel check valve provided by the utility model, there can also be following additional technical characteristic：
Further, the valve block semicircular in shape, the valve block include horizontal part and curved portion, and the horizontal part is equipped with
Two bolt platforms, two fixed frames are located between two bolt platforms.
Further, one of bolt platform is equipped with perforation, and another bolt platform is equipped with blind hole, and the bolt is worn successively
The perforation, the through hole are crossed, and reaches the blind hole.
Further, it is equipped with a V-type groove on each fixed station.
Further, circumference of the cylindrical tube close to described valve block one end is equipped with boss, and the sealing ring is mounted on
On the boss.
Further, the boss is L-shaped.
Further, it is equipped with an inclined surface on each fixed frame.
Further, the one end of the cylindrical tube away from the valve block is equipped with bulge, and the bulge is used for connection flexible pipe.
Another purpose of the utility model is to propose a kind of automobile using above-mentioned fuel check valve.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become apparent and be readily appreciated that, wherein：
Fig. 1 is dimensional structure diagram of the fuel check valve of the utility model first embodiment when valve block is closed；
Fig. 2 is dimensional structure diagram of the fuel check valve of the utility model first embodiment when valve block is opened；
Fig. 3 is the fuel check valve in Fig. 1 and the sectional view after the assembling of fuel tank upper cover；
Fig. 4 is the dimensional structure diagram of Fig. 1 middle valve plates.
Specific embodiment
To enable the purpose of this utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this practicality
New specific embodiment is described in detail.Several embodiments of the utility model are given in attached drawing.But this practicality
It is new to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, provide these implementations
The purpose of example is the disclosure more thorough and comprehensive made to the utility model.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", " on ", " under " and similar statement for illustrative purposes only rather than instruction or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.Term as used herein " and/or " include one or more relevant Listed Items
Arbitrary and all combination.
It please refers to Fig.1 to Fig.4, the fuel check valve 100 of the first embodiment proposition of the utility model, including a cylindrical tube
10, the cylindrical tube 10 is hollow structure, and the periphery of the cylindrical tube 10 is equipped with ring flange 20, and the ring flange 20 is used to assemble
Onto fuel tank upper cover 200, one end of the cylindrical tube 10 is equipped with valve block 30.In the present embodiment, the cylindrical tube 10 is away from described
One end of valve block is equipped with bulge 11, and the bulge 11 is used for connection flexible pipe, prevent leakage.
Sealing ring 40 is equipped between the valve block 30 and the cylindrical tube 10, in the present embodiment, the cylindrical tube 10 is close
The circumference of 30 one end of valve block is equipped with boss 101, and the sealing ring 40 is mounted on the boss 101.Specifically, the boss
101 is L-shaped.In the present embodiment, the sealing ring 40 is overall L-shaped, with 101 compatible portion of boss in " n " shape, realizes the two
Assembling.
The cylindrical tube 10 has a planar portions 12, the planar portions 12 be located at the valve block 30 and the ring flange 20 it
Between, it being set in the planar portions 12 there are two fixed frame 50, the structure of two fixed frames 50 is identical, and with the center line of planar portions 12
Centered on be symmetrical arranged, and two fixed frames 50 are set close to the valve block 30, and being equipped with one on each fixed frame 50 inclines
Inclined-plane 501 flows convenient for liquid.
A through hole (not shown) is equipped on each fixed frame 50, bolt 60 is installed in the through hole, and it is described slotting
Pin 60 passes through the valve block 30, and the valve block 30 can be rotated around the bolt 60.In the present embodiment, one end of the bolt 60 has
Lug boss prevents from skidding off from through hole.Metal making may be employed in bolt 60.Fluorubber making may be employed in valve block 30.
Specifically in the present embodiment, 30 semicircular in shape of valve block, the valve block 30 include horizontal part 31 and curved portion 32,
It is set on the horizontal part 31 there are two bolt platform 33, two bolt platforms 33 are symmetrical arranged, and two fixed frames 50 are located at two
Between the bolt platform 33.
One of bolt platform 33 is equipped with perforation 331, and another bolt platform 33 is equipped with blind hole (not shown), for interting
Pin 60, blind hole can prevent bolt 60 from skidding off with certain taper, and the bolt 60 sequentially passes through the perforation 331, described logical
Hole, and reach the blind hole.
The bolt 60 is equipped with a return spring 70, specifically, return spring 70 entangles bolt 60.
The return spring 70 is located between two fixed frames 50, is set on the valve block 30 there are two fixed station 80,
Fixed station 80 is specifically square structure, the positions of two fixed stations 80 position pair with two fixed frames 50 respectively
Should, specifically in the present embodiment, a V-type groove 801 is equipped on each fixed station 80, convenient for fixed station 80 and fixed frame
50 against.V-type groove 801 is specifically located at fixed station 801 in the opposite one side of ring flange 20, in fixed station 801 back to method
The one side of blue disk 20 is plane.
One end of the return spring 70 is resisted against in the planar portions 12, the other end and one of them described fixed station 80
Connection.When valve block 30 abuts against sealing ring 40, return spring 70 is in tightening state.
According to the utility model proposes fuel check valve 100, be welded in by ring flange 20 on fuel tank, when refuel when,
Fuel oil is entered by oil filling pipe in the pipe of cylindrical tube 10, washes valve block 30 open, and valve block 30 is rotated around bolt 60, and opens certain angle
Degree, until the bottom of two fixed stations 80 on valve block 30 and fixed frame 50 is against then fuel oil is entered by the passage of unlatching
Fuel tank internal.After oiling, valve block 30 recovers to close under elastically-deformable active force in return spring 70, and then with sealing
Circle 40 is close to, and liquid fuel and oil vapour is prevented to regurgitate into oil filling pipe, above-mentioned 100 non-return effect of fuel check valve is more preferable, together
When salable oil vapour, fuel-steam can effectively be prevented to be dispersed by oil filler neck in air, it is therefore prevented that air pollution and
The wasting of resources.And the fuel check valve is simultaneously suitable for ORVR oil tank systems and non-ORVR oil tank systems, more practicability.
The second embodiment of the utility model proposes a kind of automobile, which includes at least above-mentioned fuel check valve 100,
Fuel-steam can effectively be prevented to be dispersed by oil filler neck in air using the automobile of this fuel check valve 100, prevented
Air pollution and the wasting of resources.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It is combined in an appropriate manner in any one or more embodiments or example.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of fuel check valve, which is characterized in that including a cylindrical tube, the cylindrical tube be hollow structure, the cylindrical tube
Periphery be equipped with ring flange, the ring flange covers for being assembled on fuel tank, and one end of the cylindrical tube is equipped with valve block, described
Sealing ring is equipped between valve block and the cylindrical tube, the cylindrical tube has a planar portions, and the planar portions are located at the valve block
Between the ring flange, set in the planar portions there are two fixed frame, two fixed frames are set close to the valve block, often
A through hole is equipped on a fixed frame, bolt is installed in the through hole, and the bolt passes through the valve block, the valve block
It can be rotated around the bolt, the bolt is equipped with a return spring, and the return spring is located between two fixed frames,
It being set on the valve block there are two fixed station, the position of two fixed stations is corresponding with the position of two fixed frames respectively,
One end of the return spring is resisted against in the planar portions, and the other end is connected with fixed station one of them described.
2. fuel check valve according to claim 1, which is characterized in that the valve block semicircular in shape, the valve block include
Horizontal part and curved portion are set on the horizontal part there are two bolt platform, two fixed frames be located at two bolt platforms it
Between.
3. fuel check valve according to claim 2, which is characterized in that one of bolt platform is equipped with perforation, another
Bolt platform is equipped with blind hole, and the bolt sequentially passes through the perforation, the through hole, and reaches the blind hole.
4. fuel check valve according to claim 3, which is characterized in that it is recessed to be equipped with a V-type on each fixed station
Slot.
5. fuel check valve according to claim 1, which is characterized in that the cylindrical tube is close to the circle of described valve block one end
It is equipped with boss week, the sealing ring is mounted on the boss.
6. fuel check valve according to claim 5, which is characterized in that the boss is L-shaped.
7. fuel check valve according to claim 1, which is characterized in that be equipped with an inclined surface on each fixed frame.
8. fuel check valve according to claim 2, which is characterized in that the one end of the cylindrical tube away from the valve block is set
There is bulge, the bulge is used for connection flexible pipe.
9. a kind of automobile, which is characterized in that including the fuel check valve described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721585834.9U CN207433272U (en) | 2017-11-23 | 2017-11-23 | Fuel check valve and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721585834.9U CN207433272U (en) | 2017-11-23 | 2017-11-23 | Fuel check valve and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207433272U true CN207433272U (en) | 2018-06-01 |
Family
ID=62287896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721585834.9U Expired - Fee Related CN207433272U (en) | 2017-11-23 | 2017-11-23 | Fuel check valve and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207433272U (en) |
-
2017
- 2017-11-23 CN CN201721585834.9U patent/CN207433272U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20201123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |