CN209511207U - A kind of stop valve - Google Patents
A kind of stop valve Download PDFInfo
- Publication number
- CN209511207U CN209511207U CN201821968068.9U CN201821968068U CN209511207U CN 209511207 U CN209511207 U CN 209511207U CN 201821968068 U CN201821968068 U CN 201821968068U CN 209511207 U CN209511207 U CN 209511207U
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- CN
- China
- Prior art keywords
- main body
- valve
- inner cover
- outer cover
- cover main
- 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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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses a kind of stop valves, including valve deck, valve deck includes the outer cover connecting with fuel tank and the inner cover that is coated in outer cover, outer cover and inner cover one secondary injection molding, outer cover is used to be made with the preferable organic material of fuel tank welding performance, inner cover is using the preferable organic material production of oil resistant impervious distribution performance, outer cover includes the fuel tank connecting tube of outer cover main body with the top that outer cover main body is arranged in, inner cover includes inner cover main body and the snorkel that inner cover body top is arranged in, outer cover main body is coated on the outside of inner cover main body, snorkel is embedded in fuel tank connecting tube, overflow cutting valve is installed and the limitation stop valve that refuels in inner cover main body；Its advantage is that not only have anti-exhaust of oil, distribution performance good, but can be convenient with fuel tank sweat soldering；Outer cover and inner cover one secondary injection molding, outer cover main body are coated on the outside of inner cover main body, and snorkel is embedded in fuel tank connecting tube, and outer cover is made preferably to coat inner cover, easy to make, high production efficiency, good seal performance.
Description
Technical field
The utility model relates to a kind of valve bodies, more particularly, to a kind of stop valve.
Background technique
It is usually mounted with ventilation stop valve on oil tank of vehicle, has the effect that and is cut when oil tank of vehicle refuels by ventilation
Disconnected valve and extraneous formation channel, are discharged the air in fuel tank along the channel；And after fuel tank fills fuel oil, ventilation stop valve is certainly
It is dynamic to close, prevent fuel oil from overflowing from the channel；Importantly, work as the position suddenly change of fuel tank, and when such as vehicle turnover, ventilation
Stop valve can prevent fuel oil from flowing out.
Fuel tank generally uses organic material to make at present, such as HDPE material.Usually ventilation stop valve includes valve body and valve deck,
Valve body is located at the lower section of valve deck and is fixedly connected with valve deck, and the periphery of valve deck is fixedly connected with fuel tank, is usually melted with ultrasonic heat
Welding procedure welds the two, so, the valve deck of this ventilation stop valve generally uses identical with fuel tank organic at present
The production of material integral type, such as HDPE material are welded the two with facilitating.It is dirty according to country's the 6th stage motor vehicle of newest promulgation
Object discharge standard is contaminated, i.e. the requirement of " six standard of state " and ORVR to vehicle fuel system to oil tank of vehicle exhaust of oil, distributes
It is required that be greatly improved, as the ventilation stop valve for the components that fuel oil flows through, especially itself and fuel tank ultrasonic heat
Melt the valve deck of welding, when use be it is exposed, how by adjusting its design and selection, distributed as far as possible using oil resistant impervious
The better material of performance, while must satisfy its assembly again and installing and using function, to solve the above problems, promote its oil resistant gas row
The performance put, distributed.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of anti-exhaust of oil, distribution performance is good and welds with fuel tank
Connect the good stop valve of effect.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of stop valve, including valve deck, it is described
Valve deck include the outer cover being connect with fuel tank and the inner cover that is coated in the outer cover, the outer cover and the inner cover one
Body secondary injection molding, the outer cover is used to be made with the preferable organic material of fuel tank welding performance, and the inner cover uses
The preferable organic material production of oil resistant impervious distribution performance, the outer cover include outer cover main body and the outer cover are arranged in
The fuel tank connecting tube at the top of main body, the inner cover include inner cover main body and the ventilation that the inner cover body top is arranged in
Pipe, the outer cover main body are coated on the outside of the inner cover main body, the snorkel insertion fuel tank connecting tube
It is interior, overflow cutting valve is installed and the limitation stop valve that refuels in the inner cover main body.
The bulge loop of multiple outwardly convexs is provided on the outer wall of the snorkel, on the inner wall of the fuel tank connecting tube
It is provided with the limiting groove that quantity and position match with the bulge loop, the bulge loop is caught in the limiting groove,
The lower part of the inner cover main body be provided with from top to bottom it is multiple outward extend flange, set on the inner wall of the outer cover main body
It is equipped with the limiting slot being recessed inwardly that quantity and position match with the flange, the flange insertion limiting slot
It is interior.In this configuration, it is caught in limiting groove by bulge loop, in flange insertion limiting slot, guarantees that inner cover and outer cover are preferably tied
It closes, it is non-dismountable, more securely.
The inner cover main body includes overflow cutting valve mounting base and limitation valve housing, the overflow cutting valve installation
Seat side be connected with one end of the snorkel, be provided on the side wall of the overflow cutting valve mounting base described in
The venthole that snorkel is connected, the overflow cutting valve are caught in the overflow cutting valve mounting base, the overflow
It is surrounded with the convex block of multiple outwardly convexs on the side wall of stop valve, is provided with quantity in the overflow cutting valve mounting base
Installation card slot identical with the convex block with position, the convex block are caught in the installation card slot；The oiling limit
Amount stop valve is caught in the limitation valve housing, and the two sides of the oiling limitation stop valve are provided with fixed card buckle, institute
The arc clamp arm for clamping the two sides of the oiling limitation stop valve is provided in the inner cover main body stated, in the arc clamp arm
Be provided with bayonet, the fixed card buckle is caught in the bayonet, and the bottom of the bayonet be provided with extend to it is described
Arc clamp arm bottom opening.In this configuration, the two sides for the limitation stop valve that refuels are clamped due to being provided in inner cover main body
Arc clamp arm, bayonet is provided in arc clamp arm, the fixed card buckle of the two sides of limitation of refueling stop valve is caught in bayonet, arc
Clamp arm clamps the limitation stop valve that refuels, and guarantees that oiling limitation stop valve is preferably fixed；The bottom of bayonet, which is provided with, extends to arc
The opening of clevis arm bottom, facilitates fixed card buckle to be caught in bayonet, facilitates installation；Around setting on the side wall of overflow cutting valve
There is the convex block of multiple outwardly convexs, quantity and position installation card slot identical with convex block be provided in overflow cutting valve mounting base,
Convex block is caught in installation card slot, is had the advantages that easy for installation.
The head of the overflow cutting valve is provided with the elastic slice tilted down from top to bottom, described in the elastic slice clamps
Overflow cutting valve mounting base inner wall, set between the head of the overflow cutting valve and the overflow cutting valve mounting base
It is equipped with stainless steel ring gear.In this configuration, the head of overflow cutting valve is provided with the elastic slice tilted down from top to bottom, Ke Yibao
Head and the overflow cutting valve mounting base palette of overflow cutting valve are demonstrate,proved, the head of overflow cutting valve and overflow cutting valve are installed
Stainless steel ring gear is provided between seat, it is ensured that overflow cutting valve is not easily to fall off.
O-ring seal is provided between the oiling limitation stop valve and the limitation valve housing.Guarantee to refuel
Limiting the quantity between stop valve and limitation valve housing has good sealing performance.
The material that the outer cover uses is HDPE.
The material that the inner cover uses is POM.
Compared with prior art, the utility model has the advantages that being to disclose a kind of stop valve, since inner cover is coated on
In outer cover, inner cover is using the preferable organic material production of oil resistant impervious distribution performance, it can be seen that can guarantee that this is practical new
Anti- exhaust of oil, the distribution performance of type greatly promote；Again since outer cover uses and the preferable organic material system of fuel tank welding performance
Make, it can be seen that the utility model still can be convenient with fuel tank sweat soldering；Outer cover and inner cover one secondary injection molding, outside
Lid main body is coated on the outside of inner cover main body, and the snorkel of inner cover is embedded in the fuel tank connecting tube of outer cover, wraps outer cover preferably
Inner cover is covered, easy to make, high production efficiency, good seal performance；Overflow cutting valve is installed in inner cover main body and limitation of refueling is cut
Disconnected valve, can preferably realize can guarantee the intracorporal oil gas sending-out hole conducting of valve under excellent sealing, normal condition in overturning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model；
Fig. 3 is the cross-sectional view of the valve deck of the utility model；
Fig. 4 is the cross-sectional view of the outer cover of the utility model；
Fig. 5 is the cross-sectional view of the inner cover of the utility model；
Fig. 6 is the structural schematic diagram of the inner cover of the utility model；
Fig. 7 is the structural schematic diagram of the overflow cutting valve of the utility model；
Fig. 8 is the structural schematic diagram of the oiling limitation stop valve of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Embodiment one: as depicted in figs. 1 and 2, a kind of stop valve, including valve deck, valve deck include the outer cover 1 connecting with fuel tank
With the inner cover 2 being coated in outer cover 1, outer cover 1 and the integrated secondary injection molding of inner cover 2, outer cover 1 using with fuel tank welding performance compared with
Good organic material production, for the material that outer cover 1 uses for HDPE, inner cover 2 is preferably organic using oil resistant impervious distribution performance
Material production, for the material that inner cover 2 uses for POM, outer cover 1 includes the oil of outer cover main body 11 with the top that outer cover main body 11 is arranged in
Case connecting tube 12, inner cover 2 include inner cover main body 21 and the snorkel 22 that 21 top of inner cover main body is arranged in, and outer cover main body 11 coats
In the outside of inner cover main body 21, snorkel 22 is embedded in fuel tank connecting tube 12, and 3 He of overflow cutting valve is equipped in inner cover main body 21
Limitation of refueling stop valve 4.
Embodiment two: other structures are the same as example 1, the difference is that: as shown in Figure 3-Figure 5, snorkel 22
Outer wall on be provided with the bulge loops 221 of multiple outwardly convexs, be provided on the inner wall of fuel tank connecting tube 12 quantity and position with it is convex
The limiting groove 121 that ring 221 matches, bulge loop 221 are caught in limiting groove 121, and the lower part of inner cover main body 21 is set from top to bottom
Be equipped with it is multiple outward extend flange 211, be provided with quantity and position on the inner wall of outer cover main body 11 and flange 211 match
The limiting slot 111 being recessed inwardly, flange 211 are embedded in limiting slot 111.
Embodiment three: other structures are identical as embodiment two, the difference is that: as Figure 6-Figure 8, inner cover main body
21 include overflow cutting valve mounting base 23 and limitation valve housing 24, side and the snorkel 22 of overflow cutting valve mounting base 23
One end is connected, and the venthole 231 that snorkel 22 is connected, overflow cutting are provided on the side wall of overflow cutting valve mounting base 23
Valve 3 is caught in overflow cutting valve mounting base 23, and the convex block of multiple outwardly convexs is surrounded on the side wall of overflow cutting valve 3
31, quantity and position installation card slot 232 identical with convex block 31 are provided in overflow cutting valve mounting base 23, and convex block 31 is caught in peace
It is loaded in slot 232, the head of overflow cutting valve 3 is provided with the elastic slice 32 tilted down from top to bottom, and elastic slice 32 clamps overflow and cuts
The inner wall of disconnected valve housing 23, is provided with stainless steel ring gear between the head and overflow cutting valve mounting base 23 of overflow cutting valve 3
5；Limitation of refueling stop valve 4 is caught in limitation valve housing 24, and the two sides of limitation of refueling stop valve 4 are provided with fixed card buckle 41,
It is provided with the arc clamp arm 212 for clamping the two sides for the limitation stop valve 4 that refuels in inner cover main body 21, is provided in arc clamp arm 212
Bayonet 6, the bottom of bayonet 6 are provided with the opening 7 for extending to 212 bottom of arc clamp arm, and fixed card buckle 41 is caught in bayonet 6, adds
O-ring seal 8 is provided between oil limitation stop valve 4 and limitation valve housing 24.
Claims (5)
1. a kind of stop valve, including valve deck, it is characterised in that the valve deck includes the outer cover connecting with fuel tank and is coated on institute
The inner cover in outer cover stated, the outer cover and the inner cover one secondary injection molding, the material that the outer cover uses
For HDPE, for POM, the outer cover includes outer cover main body and the outer cover main body is arranged in the material that the inner cover uses
Top fuel tank connecting tube, the inner cover includes inner cover main body and the snorkel that the inner cover body top is arranged in,
The outer cover main body is coated on the outside of the inner cover main body, and the snorkel is embedded in the fuel tank connecting tube,
Overflow cutting valve is installed and the limitation stop valve that refuels in the inner cover main body.
2. a kind of stop valve according to claim 1, it is characterised in that be provided on the outer wall of the snorkel multiple
The bulge loop of outwardly convex is provided with quantity and position on the inner wall of the fuel tank connecting tube and limit that the bulge loop matches
Position groove, the bulge loop are caught in the limiting groove, and the lower part of the inner cover main body is provided with multiple from top to bottom
Outward extend flange, be provided on the inner wall of the outer cover main body quantity and position match with the flange it is inside
The limiting slot of recess, the flange are embedded in the limiting slot.
3. a kind of stop valve according to claim 1, it is characterised in that the inner cover main body includes overflow cutting valve peace
Seat and limitation valve housing are filled, the side of the overflow cutting valve mounting base is connected with one end of the snorkel, institute
The venthole that the snorkel is connected, the overflow cutting valve are provided on the side wall for the overflow cutting valve mounting base stated
It is caught in the overflow cutting valve mounting base, multiple outwardly convexs is surrounded on the side wall of the overflow cutting valve
Convex block is provided with quantity and position installation card slot identical with the convex block in the overflow cutting valve mounting base, described
Convex block be caught in the installation card slot；The oiling limitation stop valve is caught in the limitation valve housing, described
The two sides of oiling limitation stop valve be provided with fixed card buckle, be provided in the inner cover main body and clamp the oiling limitation
The arc clamp arm of the two sides of stop valve, bayonet is provided in the arc clamp arm, and the fixed card buckle is caught in the card
In mouthful, and the bottom of the bayonet is provided with the opening for extending to the arc clamp arm bottom.
4. a kind of stop valve according to claim 3, it is characterised in that the head of the overflow cutting valve is provided with certainly
The elastic slice tilted down under above, the elastic slice clamp the inner wall of the overflow cutting valve mounting base, and the overflow is cut
Stainless steel ring gear is provided between the head and the overflow cutting valve mounting base of disconnected valve.
5. a kind of stop valve according to claim 3, it is characterised in that the oiling limitation stop valve and the limit
O-ring seal is provided between amount valve housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968068.9U CN209511207U (en) | 2018-11-27 | 2018-11-27 | A kind of stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968068.9U CN209511207U (en) | 2018-11-27 | 2018-11-27 | A kind of stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209511207U true CN209511207U (en) | 2019-10-18 |
Family
ID=68190420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821968068.9U Expired - Fee Related CN209511207U (en) | 2018-11-27 | 2018-11-27 | A kind of stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209511207U (en) |
-
2018
- 2018-11-27 CN CN201821968068.9U patent/CN209511207U/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: 20191018 Termination date: 20201127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |