CN205715866U - A kind of fuel tank safety exhaust - Google Patents
A kind of fuel tank safety exhaust Download PDFInfo
- Publication number
- CN205715866U CN205715866U CN201620558528.5U CN201620558528U CN205715866U CN 205715866 U CN205715866 U CN 205715866U CN 201620558528 U CN201620558528 U CN 201620558528U CN 205715866 U CN205715866 U CN 205715866U
- Authority
- CN
- China
- Prior art keywords
- valve body
- lower valve
- fuel tank
- valve rod
- upper valve
- 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
This utility model provides a kind of fuel tank safety exhaust, belongs to valve technology field.It solve existing fuel tank safety exhaust and assemble the problems such as complexity, structural instability.This fuel tank safety exhaust includes the upper valve body that cooperates and lower valve body, there is on upper valve body exhaustor, on lower valve body, there is air inlet pipe, upper valve body forms cavity with lower valve inner, on the right side of upper valve body, there is annular lug, annular lug stretches into lower valve inner and is fixed by welding on lower valve body, the internally installed of lower valve body has axially slidable spool, spool is by valve plate, upper valve rod and lower valve rod composition, lower valve rod closely cooperates with the mid portion of lower valve body, on lower valve rod, fixed cover is provided with plain washer and plain washer between valve plate and lower valve body, spring it is arranged with on upper valve rod, and the two ends of spring elastic top respectively is butted on upper valve rod and valve plate.This utility model has the advantage such as simple and convenient assembly, Stability Analysis of Structures.
Description
Technical field
This utility model belongs to valve technology field, relates to a kind of check valve, particularly to a kind of fuel tank safety exhaust.
Background technology
Gasoline is a kind of volatile liquid, often fills up steam at normal temperatures in fuel tank, when the pressure in fuel tank raises
When exceeding setting, steam need to be introduced burning and prevent from evaporateing in air, make the pressure in fuel tank be less than setting, right
Personal safety and equipment have run important protective effect, and existing fuel tank safety exhaust assembles complicated and structural instability.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, it is provided that a kind of simple and convenient assembly, knot
The fuel tank safety exhaust that structure is stable.
The purpose of this utility model can be realized by following technical proposal: a kind of fuel tank safety exhaust, including mutually
The upper valve body coordinated and lower valve body, described upper valve body has exhaustor, described lower valve body has air inlet pipe, described
Upper valve body forms cavity with lower valve inner, it is characterised in that have annular lug on the right side of described upper valve body, described
Annular lug stretches into lower valve inner and is fixed by welding on lower valve body, and the internally installed of described lower valve body has and can axially slide
Dynamic spool, described spool is made up of valve plate, upper valve rod and lower valve rod, and described lower valve rod is tight with the mid portion of lower valve body
Offer the groove one that supplied gas is passed through in close fit, and described lower valve rod, described valve plate offers supplied gas and passes through
Groove two, described upper valve rod offers the groove three that supplied gas is passed through, on described lower valve rod, fixed cover is provided with plain cushion
Circle and described plain washer, between valve plate and lower valve body, described upper valve rod are arranged with spring, and the two of described spring
Elastic top respectively is held to be butted on upper valve rod and valve plate.
The operation principle of this fuel regulator valve: when tank pressure rises, steam is valve body by spool from air inlet pipe enters
Promoting, steam is discharged with groove two and from exhaustor by the groove one on spool, after the pressure recovery of fuel tank is normal, and bullet
Valve core reset, spool and lower valve body are in again the connection of air-tight state, the spool of this fuel tank safety exhaust and lower valve body by spring
Mode makes the structure of this check valve more stable, and upper valve body is welded on lower valve body, makes assembling easier.
In above-mentioned fuel tank safety exhaust, described exhaustor is positioned at the centre of upper valve body and is perpendicular to valve
The end face of body, described air inlet pipe is positioned at the centre of lower valve body and is perpendicular to the end face of lower valve body.
In above-mentioned fuel tank safety exhaust, described plain washer is lip formula.
In above-mentioned fuel tank safety exhaust, the welding manner between described upper valve body and lower valve body is ultrasound wave riveting
Connect.
In above-mentioned fuel tank safety exhaust, described groove one is in circular arc and is equally spaced on lower valve rod, institute
The number stating groove one is four, and described groove two is in circular arc and is equally spaced on valve plate, the number of described groove two
Being eight, described groove three is rectangular and is equally spaced on upper valve rod, and the number of described groove three is four.
In above-mentioned fuel tank safety exhaust, described upper valve rod offers the lightening grooves one of cylinder, described
The lightening grooves two of cylinder is offered on lower valve rod.
In above-mentioned fuel tank safety exhaust, described upper valve body is PA66 and GF30 with the material of lower valve body, described valve
The material of core is POM, and the material of described spring is SUS304, and the material of described plain washer is FKM.
Compared with prior art, this fuel tank safety exhaust has the advantage such as simple and convenient assembly, Stability Analysis of Structures.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of this fuel tank safety exhaust.
Fig. 2 is the A-A directional profile structural representation of this fuel tank safety exhaust.
Fig. 3 is the B-B directional profile structural representation of this fuel tank safety exhaust.
In figure, 1, upper valve body；2, lower valve body；3, exhaustor；4, air inlet pipe；5, annular lug；6, spool；7, valve plate；8、
Upper valve rod；9, lower valve rod；10, groove one；11, groove two；12, groove three；13, plain washer；14, spring；15, lightening grooves one；
16, lightening grooves two.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, this fuel tank safety exhaust includes upper valve body 1 and lower valve body 2, the upper valve cooperated
Having exhaustor 3 on body 1, lower valve body 2 has air inlet pipe 4, upper valve body 1 and lower valve body 2 are internally formed cavity, upper valve body 1
Having annular lug 5 on right side, annular lug 5 stretches into lower valve body 2 inside and is fixed by welding on lower valve body 2, lower valve
The internally installed of body 2 has axially slidable spool 6, and spool 6 is made up of valve plate 7, upper valve rod 8 and lower valve rod 9, lower valve rod 9 with
The mid portion of lower valve body 2 closely cooperates, and lower valve rod 9 offers the groove 1 that supplied gas is passed through, valve plate 7 offers confession
The groove 2 11 that gas passes through, upper valve rod 8 offers the groove 3 12 that supplied gas is passed through, and on lower valve rod 9, fixed cover is provided with flat
Packing ring 13 and plain washer 13, between valve plate 7 and lower valve body 2, upper valve rod 8 are arranged with spring 14, and the two ends of spring 14 are divided
Other elastic top is butted on upper valve rod 8 and valve plate 7.
Describing in detail further, exhaustor 3 is positioned at the centre of upper valve body 1 and is perpendicular to the end face of upper valve body 1, air inlet pipe 4
Being positioned at the centre of lower valve body 2 and be perpendicular to the end face of lower valve body 2, this exhaustor 3 makes installation with the arrangement mode of air inlet pipe 4
Simpler and be difficult to and other devices produce interfere.
Describing in detail further, plain washer 13 is lip formula, and this setting can make the structure of valve body more stable, and sealing property is more
Good.
Describing in detail further, the welding manner between upper valve body and lower valve body is ultrasound wave riveting, and this welding manner simplicity can
Lean on and with low cost.
Describing in detail further, groove 1 is in circular arc and is equally spaced on lower valve rod 9, and the number of groove 1 is four
Individual, groove 2 11 is in circular arc and is equally spaced on valve plate 7, and the number of groove 2 11 is eight, groove 3 12 rectangular and
Being equally spaced on upper valve rod 8, the number of groove 3 12 is four.
Describe in detail further, upper valve rod 8 offers the lightening grooves 1 of cylinder, lower valve rod 9 offers cylinder
Lightening grooves 2 16, this setting can alleviate the weight of valve body, saving material does not the most affect its mechanical property.
Describing in detail further, upper valve body 1 is PA66 and GF30 with the material of lower valve body 2, and the material of spool 6 is POM, spring 14
Material be SUS304, the material of plain washer 13 is FKM.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although the most more employ upper valve body 1, lower valve body 2, exhaustor 3, air inlet pipe 4, annular lug 5, spool 6,
Valve plate 7, upper valve rod 8, lower valve rod 9, groove 1, groove 2 11, groove 3 12, plain washer 13, spring 14, lightening grooves 1,
Lightening grooves 2 16 term such as grade, but it is not precluded from using the probability of other term.These terms are used to be only used to more convenient
Describe and explain essence of the present utility model；Being construed as any additional restriction is all and this utility model essence
God is contrary.
Claims (7)
1. a fuel tank safety exhaust, including the upper valve body (1) cooperated and lower valve body (2), on described upper valve body (1)
There is exhaustor (3), described lower valve body (2) has air inlet pipe (4), described upper valve body (1) shape internal with lower valve body (2)
Become cavity, it is characterised in that having annular lug (5) on the right side of described upper valve body (1), described annular lug (5) is stretched
Entering lower valve body (2) inside and be fixed by welding on lower valve body (2), the internally installed of described lower valve body (2) has and can axially slide
Dynamic spool (6), described spool (6) is made up of valve plate (7), upper valve rod (8) and lower valve rod (9), described lower valve rod (9) and
The mid portion of lower valve body (2) closely cooperates, and offers the groove one (10) that supplied gas is passed through on described lower valve rod (9),
Offer the groove two (11) that supplied gas is passed through on described valve plate (7), described upper valve rod (8) offers supplied gas and passes through
Groove three (12), the upper fixed cover of described lower valve rod (9) is provided with plain washer (13) and described plain washer (13) is positioned at valve plate
(7) and between lower valve body (2), described upper valve rod (8) is arranged with spring (14), and the two ends bullet respectively of described spring (14)
Property be resisted against on upper valve rod (8) and valve plate (7).
A kind of fuel tank safety exhaust the most according to claim 1, it is characterised in that described exhaustor (3) is positioned at
The centre of valve body (1) and be perpendicular to the end face of upper valve body (1), described air inlet pipe (4) is positioned at the central part of lower valve body (2)
Position and be perpendicular to the end face of lower valve body (2).
A kind of fuel tank safety exhaust the most according to claim 1, it is characterised in that described plain washer (13) is lip
Formula.
A kind of fuel tank safety exhaust the most according to claim 1, it is characterised in that described upper valve body (1) and lower valve body
(2) welding manner between is ultrasound wave riveting.
A kind of fuel tank safety exhaust the most according to claim 1, it is characterised in that described groove one (10) is in circular arc
Shape and being equally spaced on lower valve rod (9), the number of described groove one (10) is four, and described groove two (11) is in circular arc
And be equally spaced on valve plate (7), the number of described groove two (11) is eight, and described groove three (12) is rectangular and equidistant
Being distributed on upper valve rod (8), the number of described groove three (12) is four.
A kind of fuel tank safety exhaust the most according to claim 1, it is characterised in that offer on described upper valve rod (8)
There is the lightening grooves one (15) of cylinder, described lower valve rod (9) offers the lightening grooves two (16) of cylinder.
A kind of fuel tank safety exhaust the most according to claim 1, it is characterised in that described upper valve body (1) and lower valve body
(2) material is PA66 and GF30, and the material of described spool (6) is POM, and the material of described spring (14) is SUS304, described
The material of plain washer (13) is FKM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558528.5U CN205715866U (en) | 2016-06-12 | 2016-06-12 | A kind of fuel tank safety exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558528.5U CN205715866U (en) | 2016-06-12 | 2016-06-12 | A kind of fuel tank safety exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205715866U true CN205715866U (en) | 2016-11-23 |
Family
ID=57301214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620558528.5U Expired - Fee Related CN205715866U (en) | 2016-06-12 | 2016-06-12 | A kind of fuel tank safety exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205715866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980427A (en) * | 2018-09-06 | 2018-12-11 | 李阳 | Adjustable pressure-constant safety exhaust |
| CN110821902A (en) * | 2019-10-15 | 2020-02-21 | 深圳供电局有限公司 | Circuit breaker, hydraulic mechanism and low-voltage oil tank thereof |
-
2016
- 2016-06-12 CN CN201620558528.5U patent/CN205715866U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980427A (en) * | 2018-09-06 | 2018-12-11 | 李阳 | Adjustable pressure-constant safety exhaust |
| CN110821902A (en) * | 2019-10-15 | 2020-02-21 | 深圳供电局有限公司 | Circuit breaker, hydraulic mechanism and low-voltage oil tank thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20180612 |