CN203686175U - Sealing butterfly valve without friction - Google Patents
Sealing butterfly valve without friction Download PDFInfo
- Publication number
- CN203686175U CN203686175U CN201320783649.6U CN201320783649U CN203686175U CN 203686175 U CN203686175 U CN 203686175U CN 201320783649 U CN201320783649 U CN 201320783649U CN 203686175 U CN203686175 U CN 203686175U
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- Prior art keywords
- valve
- valve body
- groove
- butterfly
- sealing
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- Expired - Fee Related
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Abstract
The utility model provides a sealing butterfly valve without friction. The sealing butterfly valve comprises a valve body and a butterfly plate, and further comprises an auxiliary valve body, as well as a sealing ring, wherein the butterfly plate is arranged in the valve body; a groove is formed in the auxiliary valve body; the sealing ring is partially arranged in the groove in a sealing manner, and is connected with one end of a spring; the other end of the spring is fixedly connected onto the valve body; one or more inlet passages communicated with the groove are formed in the auxiliary valve body; an air electromagnetic valve is mounted at the air inlet ends of the passages. The sealing butterfly valve has the benefits that zero friction of seal pair during on-off of the valve is fully realized; the operation torque is reduced; the service life is prolonged; meanwhile, the sealing butterfly valve is simple in structure, and convenient to manufacture.
Description
Technical field
The utility model relates to valve and manufactures association area, relates in particular to a kind of without friction sealed butterfly valve.
Background technique
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, rotates to reach a kind of valve of open and close around valve shaft, and on pipeline, main rising cut off and throttling action.Butterfly valve open-shut device is a discoidal butterfly plate, and the axis around himself in valve body rotates, thereby reaches the object that opens and closes or regulate.Current butterfly valve is in the moment of cutting out and opening, and the sealing pair of valve can produce huge frictional force, and sealing pair is destroyed very soon, and the life-span of sealing pair is reduced; If increase the gap of sealing pair, although can see frictional force, the seal pressure of valve does not reach, and tends to cause valve to reveal, and serious meeting causes the generation of major accident.
Summary of the invention
Problem to be solved in the utility model improves a kind of without friction sealed butterfly valve, and can realize valve opening and closing time, zero friction of sealing pair, extends its working life.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of without friction sealed butterfly valve, comprise valve body, the butterfly plate of portion sets within it, it is characterized in that: also comprise and establish reeded auxiliary valve body, and partly sealing is arranged in groove and the seal ring being connected with spring one end, the other end of spring is fixed on valve body, on auxiliary valve body, also have the more than one gas-entered passageway being connected with groove, at described passage inlet end, gas solenoid valve is housed.
Further, described valve body is provided with the fixed groove of a fixing spring.
Further, described gas-entered passageway is 4, is distributed on the footpath of auxiliary valve body upwards.
Further, butterfly plate is made up of stainless steel material, and the seal ring matching is made up of ethylene propylene diene rubber.
Further, butterfly plate is made up of nitrile butadiene rubber, and the seal ring matching is made up of stainless steel material.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, realize valve opening and closing sealing pair completely without friction, reduced operation moment of torsion, extended working life, and simultaneously simple in structure, just with making.
Accompanying drawing explanation
Fig. 1 is the position view of the utility model in whole butterfly valve
Fig. 2 is the I place partial enlarged drawing of the utility model Fig. 1
Fig. 3 is the utility model seal ring and the schematic diagram of butterfly plate in contactless state
In figure: 1-valve body; 2-butterfly plate; 3-auxiliary valve body; 4-groove; 5-seal ring; 6-gas-entered passageway; 7-fixed groove; 8-spring; 9-gas solenoid valve;
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is set forth:
As Figure 1-3, a kind of without friction sealed butterfly valve, comprise valve body 1, the set within it butterfly plate 2 of portion is provided with fixed groove 7, for fixing spring 8 on valve body 1, also comprise the auxiliary valve body 3 that is provided with groove 4, and sealing be arranged on the interior seal ring 5 that can move freely and be connected with spring 8 one end of groove 4, on described auxiliary valve body 3, also have the more than one gas-entered passageway 6 being connected with groove 4, in described passage 6 upper ends, gas solenoid valve 9 is housed.
Gas-entered passageway 6 is preferably 4, is distributed on the footpath of auxiliary valve body 3 upwards, is connected with air pump, carries uniformly air to groove 4.
By controlling the advance and retreat of seal ring 5, realize the open and close of butterfly valve, in the time that butterfly valve cuts out, first rotate butterfly plate 2 to parallel with seal ring 5, then open gas solenoid valve 9, controlling air pump carries air to gas-entered passageway 6, in the cavity further forming to groove 4 and seal ring 5, along with continuous air is carried, cavity internal air pressure rises and promotes seal ring 5 and moves to the direction of butterfly plate 2, until sealing paste is incorporated on butterfly plate 2 completely, while is also compacted with the spring 8 that seal ring 5 fixes, close afterwards gas solenoid valve 9, the gas flow that guarantees gas-entered passageway 6 is constant, and then air pressure in whole cavity remains unchanged, valve is kept closing,
In the time that needs butterfly valve is opened, open gas solenoid valve 9, air pressure step-down in gas-entered passageway 6, now compacted spring 8 is because the elastic force of self is pushed to seal ring 5 away from butterfly plate 2 certain distances, do not producing seal action, then rotate butterfly plate 2 to the state vertical with seal ring 5, now butterfly valve is opened completely.
Above-described embodiment just for butterfly valve set forth, be suitable for too for valve technique scheme such as ball valves, do not repeat them here.
Above the embodiment of model utility is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to the practical range for limiting model utility.All equalization variation and improvement etc. of doing according to the utility model scope, within all should still belonging to this patent covering scope.
Claims (5)
1. one kind without friction sealed butterfly valve, comprise valve body (1), the butterfly plate (2) of portion sets within it, it is characterized in that: also comprise the auxiliary valve body (3) that is provided with groove (4), and part sealing is arranged in groove (4) and the seal ring (5) being connected with spring (8) one end, the other end of spring (8) is fixed on valve body (1), on auxiliary valve body (3), also have the more than one gas-entered passageway (6) being connected with groove (4), at described passage (6) inlet end, gas solenoid valve (9) is housed.
2. according to claim 1 a kind of without friction sealed butterfly valve, it is characterized in that: described valve body (1) is provided with the fixed groove (7) of a fixing spring (8).
3. one according to claim 1, without friction sealed butterfly valve, is characterized in that: described gas-entered passageway (6) is 4, is distributed on the footpath of auxiliary valve body (3) upwards.
4. one according to claim 1, without friction sealed butterfly valve, is characterized in that: butterfly plate (2) is made up of stainless steel material, and the seal ring (5) matching is made up of ethylene propylene diene rubber.
5. one according to claim 1, without friction sealed butterfly valve, is characterized in that: butterfly plate (2) is made up of nitrile butadiene rubber, and the seal ring (5) matching is made up of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783649.6U CN203686175U (en) | 2013-11-30 | 2013-11-30 | Sealing butterfly valve without friction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783649.6U CN203686175U (en) | 2013-11-30 | 2013-11-30 | Sealing butterfly valve without friction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686175U true CN203686175U (en) | 2014-07-02 |
Family
ID=51008075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320783649.6U Expired - Fee Related CN203686175U (en) | 2013-11-30 | 2013-11-30 | Sealing butterfly valve without friction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203686175U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989832A (en) * | 2015-07-13 | 2015-10-21 | 方正阀门集团(温州)机械制造有限公司 | Butterfly valve with both-way sealing function |
| CN109268516A (en) * | 2018-11-19 | 2019-01-25 | 郑州中特阀门有限公司 | A kind of sealing gland slide hard seal butterfly valve |
| CN109356709A (en) * | 2018-11-09 | 2019-02-19 | 襄阳市中康汽车配件有限公司 | A kind of boosting type engine cylinder body and automobile engine |
| CN111173987A (en) * | 2020-02-04 | 2020-05-19 | 邵立坤 | Pre-decompression butterfly valve |
-
2013
- 2013-11-30 CN CN201320783649.6U patent/CN203686175U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989832A (en) * | 2015-07-13 | 2015-10-21 | 方正阀门集团(温州)机械制造有限公司 | Butterfly valve with both-way sealing function |
| CN109356709A (en) * | 2018-11-09 | 2019-02-19 | 襄阳市中康汽车配件有限公司 | A kind of boosting type engine cylinder body and automobile engine |
| CN109268516A (en) * | 2018-11-19 | 2019-01-25 | 郑州中特阀门有限公司 | A kind of sealing gland slide hard seal butterfly valve |
| CN111173987A (en) * | 2020-02-04 | 2020-05-19 | 邵立坤 | Pre-decompression butterfly valve |
| CN111173987B (en) * | 2020-02-04 | 2021-07-23 | 泉瓦特斯阀门有限公司 | Pre-decompression butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300350 Tianjin city Jinnan District North Gate Electronic Industrial Park Patentee after: Bohai Valve Group Co., Ltd. Address before: 300350 Tianjin city Jinnan District North Gate Electronic Industrial Park Patentee before: BOHAI VALVE GROUP |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20181130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |