CN205315740U - Gas stop valve - Google Patents
Gas stop valve Download PDFInfo
- Publication number
- CN205315740U CN205315740U CN201521116738.0U CN201521116738U CN205315740U CN 205315740 U CN205315740 U CN 205315740U CN 201521116738 U CN201521116738 U CN 201521116738U CN 205315740 U CN205315740 U CN 205315740U
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- China
- Prior art keywords
- valve body
- valve
- case
- spool
- gas shutoff
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Abstract
The utility model discloses a gas stop valve, including valve body and the case of setting in the valve body, the inlet end of valve body is provided with the connecting pipe, the other end of valve body with be provided with drive assembly, its characterized in that: the connecting pipe is provided with heat -resisting sealed pad with the junction of valve body, the case links to each other with drive assembly through a sphere transmission structure, when the valve was closed, the case had good direction along the slip of valve body inner wall, but the spherical surface structure of case rear end makes case automatic fine tuning terminal surface angle under the air cylinder thrust effect reliably contact with heat -resisting sealed pad, ensures the reliability of sealing, when the valve was opened, sphere transmission structure made the case and the composition surface of heat -resisting sealed pad progressively separated by point and face through tiny eccentric pulling force, further reduces out the valve resistance, makes the valve change and opens.
Description
Technical field
This utility model relates to valve, especially relates to a kind of valve in biomass fuel feed channel.
Background technology
Conventional valve in current biomass fuel feed channel has traditional ball valve, threaded stop valve, butterfly valve, pipeline air door valve etc., but these valves are often due to structure limits, wood tar specific to biological fuel gas very easily adheres to the surface of above-mentioned valve vital part, increase and engage or the frictional force opened, phenomenons such as causing it to be relatively easily generated unlatching difficulty, be not closed completely, rate of breakdown is high, security performance is unreliable.
Summary of the invention
For the problems referred to above, this utility model provides a kind of stop valve that can efficiently and securely connect or close conveying biomass fuel feed channel.
This utility model be the technical scheme is that by its technical problem of solution
A kind of gas shutoff valve, including valve body and be arranged on the spool in valve body, the inlet end of described valve body is provided with connecting tube, the other end of described valve body is provided with driving assembly, it is characterized in that: the junction of described connecting tube and valve body is provided with heat-resistant seal gasket, described spool is connected with driving assembly by a sphere drive mechanism.
As the further improvement of such scheme, the end of described spool is provided with sunk structure.
As the further improvement of such scheme, described spool periphery is axially disposed gib block, forms groove between adjacent two gib blocks.
As the further improvement of such scheme, the bottom of described valve body is provided with drain tap.
As the further improvement of such scheme, described valve body is connected by flange arrangement with connecting tube.
As the further improvement of such scheme, described sphere drive mechanism includes the spheric seating being arranged on spool end, the bulb being arranged in spheric seating, and described bulb is connected with driving assembly.
As the further improvement of such scheme, described driving assembly includes cylinder saddle, the cylinder that is fixed on cylinder saddle and the cylinder piston rod connecting cylinder and bulb, and described cylinder saddle is arranged on the end face of valve body.
As the further improvement of such scheme, described cylinder saddle is provided with seal receptacle with cylinder piston rod connecting portion.
The beneficial effects of the utility model are: gas shutoff valve of the present utility model, during valve closing, spool slides along valve interior wall, there is good guiding, the spherical structure of spool rear end makes the spool can automatic fine tuning end plane angle and heat-resistant seal gasket reliable contacts under cylinder thrust, it is ensured that the reliability of sealing;
When valve is opened, sphere drive mechanism makes the composition surface of spool and heat-resistant seal gasket by putting and face progressively separates by tiny eccentric pulling force, reduces valve opening resistance further, makes valve be more easy to and open;
Additionally, due to the end of spool is provided with sunk structure, greatly reduce sealing contact surface, thus greatly reducing because the impurity such as tar adhere to the bonding resistance formed;
Further, spool periphery is provided with gib block, and the groove between gib block can be prevented effectively from the tar of valve body inner accumulated and be pushed to seal face impact sealing, also allows for tar simultaneously and discharges to valve body bottom surface drain tap;
Further, body base is provided with drain tap, the tar that valve interior wall gathers can at any time thus mouth discharge, what effectively reduce tar and breeze impurity in valve gathers blocking, the use mission of extension device.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described. Obviously, described accompanying drawing is a part of embodiment of the present utility model, rather than whole embodiment, and those skilled in the art is under the premise not paying creative work, it is also possible to other designs obtained according to these accompanying drawings and accompanying drawing:
Fig. 1 is the generalized section of this utility model preferred embodiment;
Fig. 2 is the sectional view in Figure 1A-A direction;
Fig. 3 is the enlarged drawing of Fig. 1 spherical structure.
Detailed description of the invention
Below with reference to embodiment and accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is clearly and completely described, to be completely understood by the purpose of this utility model, feature and effect. Obviously; described embodiment is a part of embodiment of the present utility model, rather than whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the premise not paying creative work, belong to the scope of this utility model protection.
Referring to figs. 1 through Fig. 3, a kind of gas shutoff valve, including valve body 3 and be arranged on the spool 4 in valve body 3, the inlet end of described valve body 3 is connected to connecting tube 1 by flange arrangement, the other end of described valve body 3 be provided with driving assembly, the junction of described connecting tube 1 and valve body 3 is provided with heat-resistant seal gasket 2, and described spool 4 is connected with driving assembly by a sphere drive mechanism; Described sphere drive mechanism includes the spheric seating 6 being arranged on spool 4 end face, the bulb 5 being arranged in spheric seating 6, described driving assembly includes cylinder saddle 7, be fixed on cylinder saddle 7 cylinder 8 and connect the cylinder piston rod 9 of cylinder 8 and bulb 5, described cylinder saddle 7 is arranged on the end face of valve body 3 and described cylinder saddle 7 and cylinder piston rod 9 connecting portion is provided with seal receptacle 10. During valve closing, cylinder 8 action, by cylinder piston rod 9 and bulb 5, promote spool 4 to press to the heat-resistant seal gasket 2 that the flange support of connecting tube 1, valve is sealed; When valve is opened, cylinder 8 opposite direction action, cylinder piston rod 9, by bulb 5 and spheric seating 6, pulls spool 4 to leave heat-resistant seal gasket 2, opens valve.
As the further optimization of above-mentioned embodiment, the end of described spool 4 is provided with sunk structure 41; Sealing contact surface can be greatly reduced, thus greatly reducing because the impurity such as tar adhere to the bonding resistance formed.
As the further optimization of above-mentioned embodiment, described spool 4 periphery is axially disposed gib block 12, forms groove between adjacent two gib blocks 12; Groove between gib block can be prevented effectively from the tar of valve body inner accumulated and be pushed to seal face impact sealing, also allows for tar simultaneously and discharges to valve body bottom surface drain tap 11.
As the further optimization of above-mentioned embodiment, the bottom of described valve body 3 is provided with drain tap 11; The tar that valve interior wall gathers can at any time thus mouth discharge, what effectively reduce tar and breeze impurity in valve gathers blocking, the use mission of extension device.
Described above-described embodiment is that foregoing of the present utility model is further described, but this should not being interpreted as, the scope of the above-mentioned theme of this utility model is only limitted to above-described embodiment, and all technology realized based on foregoing belong to scope of the present utility model.
Claims (8)
1. a gas shutoff valve, including valve body (3) and be arranged on the spool (4) in valve body (3), the inlet end of described valve body (3) is provided with connecting tube (1), the other end of described valve body (3) is provided with driving assembly, it is characterized in that: the junction of described connecting tube (1) and valve body (3) is provided with heat-resistant seal gasket (2), described spool (4) is connected with driving assembly by a sphere drive mechanism.
2. a kind of gas shutoff valve according to claim 1, it is characterised in that: the end of described spool (4) is provided with sunk structure (41).
3. a kind of gas shutoff valve according to claim 1, it is characterised in that: described spool (4) periphery is axially disposed gib block (12), forms groove between adjacent two gib blocks (12).
4. a kind of gas shutoff valve according to claim 1, it is characterised in that: the bottom of described valve body (3) is provided with drain tap (11).
5. a kind of gas shutoff valve according to claim 1, it is characterised in that: described valve body (3) is connected by flange arrangement with connecting tube (1).
6. a kind of gas shutoff valve according to claim 1, it is characterized in that: spheric seating (6) that described sphere drive mechanism includes being arranged on spool (4) end face, the bulb (5) being arranged in spheric seating (6), described bulb (5) is connected with driving assembly.
7. a kind of gas shutoff valve according to claim 6, it is characterized in that: described driving assembly includes cylinder saddle (7), the cylinder (8) that is fixed on cylinder saddle (7) and the cylinder piston rod (9) connecting cylinder (8) and bulb (5), and described cylinder saddle (7) is arranged on the end face of valve body (3).
8. a kind of gas shutoff valve according to claim 7, it is characterised in that: described cylinder saddle (7) is gone up and cylinder piston rod (9) connecting portion is provided with seal receptacle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116738.0U CN205315740U (en) | 2015-12-25 | 2015-12-25 | Gas stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116738.0U CN205315740U (en) | 2015-12-25 | 2015-12-25 | Gas stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315740U true CN205315740U (en) | 2016-06-15 |
Family
ID=56199729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521116738.0U Active CN205315740U (en) | 2015-12-25 | 2015-12-25 | Gas stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485360A (en) * | 2015-12-25 | 2016-04-13 | 珠海市柏克莱能源科技股份有限公司 | Gas stop valve |
-
2015
- 2015-12-25 CN CN201521116738.0U patent/CN205315740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485360A (en) * | 2015-12-25 | 2016-04-13 | 珠海市柏克莱能源科技股份有限公司 | Gas stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |