CN2895914Y - Butterfly type two-door water sealing valve - Google Patents
Butterfly type two-door water sealing valve Download PDFInfo
- Publication number
- CN2895914Y CN2895914Y CN 200620095592 CN200620095592U CN2895914Y CN 2895914 Y CN2895914 Y CN 2895914Y CN 200620095592 CN200620095592 CN 200620095592 CN 200620095592 U CN200620095592 U CN 200620095592U CN 2895914 Y CN2895914 Y CN 2895914Y
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- Prior art keywords
- valve
- door
- buttfly
- dual
- valve body
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- Expired - Lifetime
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Abstract
The utility model relates to a butterfly valve, In particular to a butterfly type two-door water sealing valve which comprises an electric driving device or a hand wheel device(1), turbine driving device(2), a valve body(3), an upper valve shaft(4), a butterfly door, and a lower valve shaft (6), and is characterized in that the butterfly type door is an integral butterfly type double door(5), a left sealing member and a right sealing member are respectively arranged between the butterfly type double door(5) and left/right flow pipe orifices of the valve body(3), the sealed space between the left sealing member and the right sealing member is the water chamber(16), an air vent valve (7), a water intake valve(8) and a water gauge(9) are provided on the upper part of the valve body(3), the air vent valve(7), the water intake valve(8) and the water gauge(9) are communicated with the water chamber(16), a water drain valve(10) is provided at the lower part of the valve body(3), and the water drain valve(10) is communicated with the water chamber(16). The utility model has the advantage of good tightness.
Description
Technical field
The utility model relates to a kind of butterfly valve, particularly is 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 purpose of this utility model is to provide a kind of butterfly water sealing valve with double gates of good seal performance.
To achieve these goals, the technical solution of the utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model when closing
Fig. 2 is the left view of Fig. 1
Fig. 3 is the structural representation of the utility model sealing pair
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 (2)
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).
2. butterfly water sealing valve with double gates according to claim 1, it is characterized in that: 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 |
|---|---|---|---|
| CN 200620095592 CN2895914Y (en) | 2006-03-14 | 2006-03-14 | Butterfly type two-door water sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620095592 CN2895914Y (en) | 2006-03-14 | 2006-03-14 | Butterfly type two-door water sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895914Y true CN2895914Y (en) | 2007-05-02 |
Family
ID=38065490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620095592 Expired - Lifetime CN2895914Y (en) | 2006-03-14 | 2006-03-14 | Butterfly type two-door water sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895914Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387875C (en) * | 2006-03-14 | 2008-05-14 | 湖北锦华阀门制造有限公司 | Butterfly water sealing valve with double gates |
| CN104500761A (en) * | 2014-11-28 | 2015-04-08 | 江苏省鑫通阀门制造有限公司 | Water-sealed butterfly valve |
| CN106763821A (en) * | 2017-02-23 | 2017-05-31 | 中国海洋石油总公司 | A kind of weather tight butterfly valve |
| CN111765255A (en) * | 2020-07-04 | 2020-10-13 | 邵立坤 | Long-life butterfly valve |
-
2006
- 2006-03-14 CN CN 200620095592 patent/CN2895914Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387875C (en) * | 2006-03-14 | 2008-05-14 | 湖北锦华阀门制造有限公司 | Butterfly water sealing valve with double gates |
| CN104500761A (en) * | 2014-11-28 | 2015-04-08 | 江苏省鑫通阀门制造有限公司 | Water-sealed butterfly valve |
| CN106763821A (en) * | 2017-02-23 | 2017-05-31 | 中国海洋石油总公司 | A kind of weather tight butterfly valve |
| CN111765255A (en) * | 2020-07-04 | 2020-10-13 | 邵立坤 | Long-life butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080514 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |