CN100387875C - Butterfly water sealing valve with double gates - Google Patents
Butterfly water sealing valve with double gates Download PDFInfo
- Publication number
- CN100387875C CN100387875C CNB2006100185357A CN200610018535A CN100387875C CN 100387875 C CN100387875 C CN 100387875C CN B2006100185357 A CNB2006100185357 A CN B2006100185357A CN 200610018535 A CN200610018535 A CN 200610018535A CN 100387875 C CN100387875 C CN 100387875C
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- valve
- door
- buttfly
- dual
- valve body
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Abstract
The present invention relates to a butterfly valve, particularly to a butterfly type double-gate water sealing valve which comprises an electric device or a handwheel device (1), a worm gearing (2), a valve body (3), an upper valve shaft (4), butterfly gates and a lower valve shaft (6). The present invention is characterized in that the butterfly gates are integrated double butterfly gates (5). A left sealing pair and a right sealing pair are respectively arranged between the double butterfly gates (5) and between the left and the right flow path openings of the valve body (3). When the double butterfly gates (5) are closed, a sealing space which is formed between the left and the right sealing pairs is a water cavity (16). The upper part of the valve body (3) is respectively provided with an air discharging valve (7), a water inlet valve (8) and a water gauge (9) which are respectively communicated with the water cavity (16). The lower part of the valve body (3) is provided with a water releasing valve (10) which is communicated with the water cavity (16). The present invention has the characteristic of good sealing performance.
Description
Technical field
The present invention relates to a kind of butterfly valve, particularly be used for the butterfly valve of controlling plumbing fixtures gas medium.
Background technique
The little osmotic force of the density of gas medium is strong, and existing valve difficulty has guaranteed the sealability to gas, easily produces leakage, can cause security incident; Particularly poisonous, harmful, inflammable, explosion hazard gases medium, the sealability of valve is bad, and its harm is very big.
Summary of the invention
The object of the present invention is to provide a kind of butterfly water sealing valve with double gates of good seal performance.
To achieve these goals, technological scheme of the present invention is: butterfly water sealing valve with double gates, it comprises Electric actuator or handwheel devices 1, worm gearing 2, valve body 3, last valve shaft 4, the butterfly door, lower valve shaft 6, the output of Electric actuator or handwheel devices 1 is connected with the input of worm gearing 2, worm gearing 2 is fixedlyed connected with the upper flanges of valve body 3, the output worm gear of worm gearing 2 is connected with the upper end portion of last valve shaft 4, the underpart of last valve shaft 4 is connected with the butterfly door, the upper end portion of lower valve shaft 6 is connected with the butterfly door, the underpart of lower valve shaft 6 is connected with valve body 3 by bearing, is provided with sealing pair between the runner mouth of butterfly door and valve body 3; It is characterized in that: the butterfly door is the dual buttfly door 5 of disjunctor, is respectively equipped with left and right sides sealing pair between the left and right sides runner mouth of dual buttfly door 5 and valve body 3, and when dual buttfly door 5 was closed, the seal space that forms between the sealing pair of the left and right sides was a water cavity 16; The top of valve body 3 is respectively equipped with outlet valve 7, inlet valve 8, fluviograph 9, and outlet valve 7, inlet valve 8, fluviograph 9 communicate with water cavity 16 respectively, and the bottom of valve body 3 is provided with discharging valve 10, and discharging valve 10 communicates with water cavity 16.
Described sealing pair mainly is made up of valve body trim ring 11, valve seals 12, dual buttfly door seal ring 13, dual buttfly door trim ring 14, valve body trim ring 11 is positioned at valve seals 12 outsides, valve seals 12 is pressed on the valve body 3 by valve body trim ring 11, and valve body trim ring 11 is fixedlyed connected with valve body 3; Dual buttfly door trim ring 14 is positioned at dual buttfly door seal ring 13 outsides, and dual buttfly door seal ring 13 is pressed on the dual buttfly door 5 by dual buttfly door trim ring 14, and dual buttfly door trim ring 14 is fixedlyed connected with dual buttfly door 5; When dual buttfly door 5 was closed, valve seals 12 and dual buttfly door seal ring 13 closely contacted with sphere.
Existing butterfly valve is simple gate formula design entirely, a butterfly door (or claiming butterfly plate) just, a sealing pair.Butterfly door of the present invention adopts two-door, and the design of double seal assistant can be born the pressure of positive and negative direction, has guaranteed two way sealed, good seal performance.When the closing of dual buttfly door 5, the seal space that forms between the sealing pair of the left and right sides is a water cavity 16, outlet valve 7, inlet valve 8, fluviograph 9, discharging valve 10 communicate with water cavity 16 respectively, can be during the water cavity fills with water with the gas barrier of dual buttfly door 5 left and right sides passages, the present invention adopts the aqueous medium sealing, because of the density of water is the several times of gas density, water not easy to leak has improved the performance and the safety in utilization of sealing.
The present invention adopts sealing pair closely to contact with sphere, reaches the purpose of good seal; Dual buttfly door 5 left and right sides runner mouths respectively have a sealing pair, and the blocking-up gas medium is realized positive and negative two way sealed; Overcome the weakness of the reverse poor sealing performance of existing hard sealing.
That the present invention is specially adapted to is poisonous, harmful, inflammable, the explosion hazard gases medium close blocking-up.
Description of drawings
Fig. 1 is the structural representation of the present invention when closing
Fig. 2 is the left view of Fig. 1
Fig. 3 is the structural representation of sealing pair of the present invention
Among the figure: 1-Electric actuator or handwheel devices, 2-worm gearing, 3-valve body, the last valve shaft of 4-, 5-dual buttfly door, 6-lower valve shaft, the 7-outlet valve, 8-inlet valve, 9-fluviograph, the 10-discharging valve, 11-valve body trim ring, 12-valve seals, 13-dual buttfly door seal ring, 14-dual buttfly door trim ring, 15-sealing pair, 16-water cavity.
Embodiment
As Fig. 1, shown in Figure 2, butterfly water sealing valve with double gates, it comprises Electric actuator or handwheel devices 1, worm gearing 2, valve body 3, last valve shaft 4, the butterfly door, lower valve shaft 6, the output of Electric actuator or handwheel devices 1 is connected with the input of worm gearing 2, worm gearing 2 is fixedlyed connected with the upper flanges of valve body 3, the output worm gear of worm gearing 2 be connected with the upper end portion of last valve shaft 4 (passing through key), the underpart of last valve shaft 4 be connected with the butterfly door (by key or pin), the upper end portion of lower valve shaft 6 be connected with the butterfly door (by key or pin), the underpart of lower valve shaft 6 is connected with valve body 3 by bearing, valve body 3 is provided with left and right sides runner mouth, is provided with sealing pair between the runner mouth of butterfly door and valve body 3; The butterfly door is the dual buttfly door 5 of disjunctor, is respectively equipped with left and right sides sealing pair between the left and right sides runner mouth of dual buttfly door 5 and valve body 3, and when dual buttfly door 5 was closed, the seal space that forms between the sealing pair of the left and right sides was a water cavity 16; The top of valve body 3 is respectively equipped with outlet valve 7, inlet valve 8, fluviograph 9, and outlet valve 7, inlet valve 8, fluviograph 9 communicate with water cavity 16 respectively, and the bottom of valve body 3 is provided with discharging valve 10, and discharging valve 10 communicates with water cavity 16.
As shown in Figure 3, described sealing pair 15 mainly is made up of valve body trim ring 11, valve seals 12, dual buttfly door seal ring 13, dual buttfly door trim ring 14, valve body trim ring 11 is positioned at valve seals 12 outsides, valve seals 12 is pressed on the valve body 3 by valve body trim ring 11, and valve body trim ring 11 is fixedlyed connected with valve body 3; Dual buttfly door trim ring 14 is positioned at dual buttfly door seal ring 13 outsides, and dual buttfly door seal ring 13 is pressed on the dual buttfly door 5 by dual buttfly door trim ring 14, and dual buttfly door trim ring 14 is fixedlyed connected with dual buttfly door 5; When dual buttfly door 5 was closed, valve seals 12 and dual buttfly door seal ring 13 closely contacted with sphere.
Butterfly water sealing valve with double gates principle of start-stop: when Electric actuator or handwheel devices 1 startup, drive worm gearing 2 rotations, valve shaft 4 rotations on the output worm gear drives of worm gearing 2, last valve shaft 4 drives dual buttfly door 5 rotations, when dual buttfly door 5 rotates to 0 °, the right side, right sealing surface on dual buttfly door 5 left and right sides sealing surfaces and the valve body 3 match respectively, and at this moment, butterfly water sealing valve with double gates is in closed condition.When Electric actuator or handwheel devices 1 opposite spin, separate with left and right sealing surface on the valve body 3 on the right side of dual buttfly door 5, right sealing surface, and when dual buttfly door 5 rotated to 90 °, butterfly water sealing valve with double gates was in the position of standard-sized sheet.
The application of water seal: when the left passage of butterfly water sealing valve with double gates or right passage have need overhaul on one side the time, butterfly water sealing valve with double gates should be in the closed position; Then, open inlet valve 8 to the water cavity water filling, open outlet valve 7, discharge the delay gas in the water cavity, remained gas is known from experience along with the injection of water is discharged; Open the venting valve of fluviograph 9 upper ends, observe fluviograph, see whether the water in the water cavity is filled with, after the water cavity fills with water, close inlet valve 8, the water in the water cavity 16 just can play the water seal effect, stops gas to be let out in the maintenance end and reaches the purpose that stops gas leakage.When need are opened butterfly water sealing valve with double gates, should discharge water earlier, open water valve 10 drains the water in the water cavity.
Claims (1)
1. butterfly water sealing valve with double gates, it comprises Electric actuator or handwheel devices (1), worm gearing (2), valve body (3), last valve shaft (4), the butterfly door, lower valve shaft (6), the output of Electric actuator or handwheel devices (1) is connected with the input of worm gearing (2), worm gearing (2) is fixedlyed connected with the upper flanges of valve body (3), the output worm gear of worm gearing (2) is connected with the upper end portion of last valve shaft (4), the underpart of last valve shaft (4) is connected with the butterfly door, the upper end portion of lower valve shaft (6) is connected with the butterfly door, the underpart of lower valve shaft (6) is connected with valve body (3) by bearing, is provided with sealing pair between the runner mouth of butterfly door and valve body (3); It is characterized in that: the butterfly door is the dual buttfly door (5) of disjunctor, is respectively equipped with left and right sides sealing pair between the left and right sides runner mouth of dual buttfly door (5) and valve body (3), and dual buttfly door (5) is when closing, and the seal space that forms between the sealing pair of the left and right sides is water cavity (16); The top of valve body (3) is respectively equipped with outlet valve (7), inlet valve (8), fluviograph (9), outlet valve (7), inlet valve (8), fluviograph (9) communicate with water cavity (16) respectively, the bottom of valve body (3) is provided with discharging valve (10), and discharging valve (10) communicates with water cavity (16); Described sealing pair mainly is made up of valve body trim ring (11), valve seals (12), dual buttfly door seal ring (13), dual buttfly door trim ring (14), valve body trim ring (11) is positioned at valve seals (12) outside, valve seals (12) is pressed on the valve body (3) by valve body trim ring (11), and valve body trim ring (11) is fixedlyed connected with valve body (3); Dual buttfly door trim ring (14) is positioned at dual buttfly door seal ring (13) outside, and dual buttfly door seal ring (13) is pressed on the dual buttfly door (5) by dual buttfly door trim ring (14), and dual buttfly door trim ring (14) is fixedlyed connected with dual buttfly door (5); Dual buttfly door (5) is when closing, and valve seals (12) closely contacts with sphere with dual buttfly door seal ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100185357A CN100387875C (en) | 2006-03-14 | 2006-03-14 | Butterfly water sealing valve with double gates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100185357A CN100387875C (en) | 2006-03-14 | 2006-03-14 | Butterfly water sealing valve with double gates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1818439A CN1818439A (en) | 2006-08-16 |
| CN100387875C true CN100387875C (en) | 2008-05-14 |
Family
ID=36918577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100185357A Expired - Fee Related CN100387875C (en) | 2006-03-14 | 2006-03-14 | Butterfly water sealing valve with double gates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100387875C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542941A (en) * | 2017-09-13 | 2018-01-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of valve seat back springing type gate valve |
| CN108980375A (en) * | 2018-08-02 | 2018-12-11 | 繁昌县长城铸造厂（普通合伙） | A kind of novel turbine butterfly valve apparatus |
| CN114593215B (en) * | 2022-04-02 | 2024-07-23 | 嘉善永金金属制品有限公司 | High-performance stainless steel butterfly valve box casting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229013Y (en) * | 1995-08-22 | 1996-06-12 | 宝山钢铁(集团)公司 | Butterfly water seal valve pressurized by filling liquid |
| CN2384052Y (en) * | 1999-06-10 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Clamped bidirectional sealed butterfly valve |
| CN2384053Y (en) * | 1999-06-15 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Water seal butterfly valve |
| JP2001336643A (en) * | 2000-05-29 | 2001-12-07 | Nishi Nippon Sekkei Kogyo Kk | Seal device for double water seal butterfly valve and its safety lock device |
| CN2531186Y (en) * | 2002-01-28 | 2003-01-15 | 江苏神通阀门有限公司 | Double-shaft water sealed butterfly valve |
| CN2895914Y (en) * | 2006-03-14 | 2007-05-02 | 湖北锦华阀门制造有限公司 | Butterfly type two-door water sealing valve |
-
2006
- 2006-03-14 CN CNB2006100185357A patent/CN100387875C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229013Y (en) * | 1995-08-22 | 1996-06-12 | 宝山钢铁(集团)公司 | Butterfly water seal valve pressurized by filling liquid |
| CN2384052Y (en) * | 1999-06-10 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Clamped bidirectional sealed butterfly valve |
| CN2384053Y (en) * | 1999-06-15 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Water seal butterfly valve |
| JP2001336643A (en) * | 2000-05-29 | 2001-12-07 | Nishi Nippon Sekkei Kogyo Kk | Seal device for double water seal butterfly valve and its safety lock device |
| CN2531186Y (en) * | 2002-01-28 | 2003-01-15 | 江苏神通阀门有限公司 | Double-shaft water sealed butterfly valve |
| CN2895914Y (en) * | 2006-03-14 | 2007-05-02 | 湖北锦华阀门制造有限公司 | Butterfly type two-door water sealing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1818439A (en) | 2006-08-16 |
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Granted publication date: 20080514 Termination date: 20130314 |