CN2384053Y - Water seal butterfly valve - Google Patents
Water seal butterfly valve Download PDFInfo
- Publication number
- CN2384053Y CN2384053Y CN 99215036 CN99215036U CN2384053Y CN 2384053 Y CN2384053 Y CN 2384053Y CN 99215036 CN99215036 CN 99215036 CN 99215036 U CN99215036 U CN 99215036U CN 2384053 Y CN2384053 Y CN 2384053Y
- Authority
- CN
- China
- Prior art keywords
- valve
- water
- butterfly
- valve body
- seal
- 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
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model relates to a water seal butterfly valve, which is composed of an operating device, a valve body, a butterfly plate, two seal rubber rings, valve rod, and a water cycling device, wherein, the valve body is provided with a spherical-surface-shaped valve seat, the upper part and the lower part of the valve body are respectively provided with a water inlet and a water outlet, the butterfly plate is double symmetrical single-eccentric type valve plates, the two seal rubber rings is fixed on a rubber ring groove of the butterfly plate by a press plate, and the valve seat, the butterfly plate, and the two seal rubber rings form a sealed water seal chamber. The utility model has the advantages of favorable sealing performance, zero leaking rate, no directivity demand in installation, small size, and light weight, being very suitable for being used in gas pipeline systems with a demand of zero leakage.
Description
The utility model relates to a kind of Water seal butterfly valve, is applicable to require in the gas pipeline system of zero leakage.For example: gas pipeline.
The valve that is used for large-scale gas partition at present when requiring leak-down rate to be zero, generally adopts closed push-pull valve or sealed mode butterfly valve.Closed push-pull valve complex structure, Heavy Weight, volume are big, periodic replacement seal ring difficulty.And conventional sealed mode butterfly valve because friction in switching process, makes the sealing pair wearing and tearing, and leaking appears in the valve seal decreased performance, uses that can not to reach leak-down rate after a period of time be zero requirement, and valve has the directivity requirement when installing.
The purpose of this utility model is at above-mentioned shortcoming of the prior art, and a kind of sealing is safe and reliable, leak-down rate is zero and provide, the Water seal butterfly valve that does not have directivity to require during installation.
The purpose of this utility model is to realize like this, it is made up of operation equipment, valve body, butterfly plate, O-ring seal, valve rod, water circulator, valve seat with sphere shape is housed in the valve body, bottom and top at valve body are respectively equipped with water inlet and water outlet, butterfly plate is symmetrical single eccentric bivalve plate, butterfly plate is contained on the valve body by upper valve rod and lower valve rod, at last lower valve rod two ends the stuffing box packing assembly is housed respectively, two O-ring seals are fixed on by pressing plate in the aprons slot of butterfly plate, and valve seat and butterfly plate and two seals cushion rubber form the water seal chamber of sealing.
Because butterfly plate adopts symmetrical single eccentric structure, valve seat is a sphere shape, makes behind the butterfly plate screw-in valve seat, can both reach sealing at an arbitrary position.When valve is in closed condition, in the sealing water seal chamber of two seals cushion rubber and valve seat formation, inject a certain amount of water, form one water seal (height of water level of this moment, promptly hydraulic head should be higher than pressure medium, or adopts the water that injects relevant pressure).Like this, just formed one water seal and twice rubber seal, threeway sealing altogether makes sealability more safe and reliable, and leak-down rate is zero.
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is a form structure schematic representation of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is I partial enlarged drawing (O-ring seal is the swallow-tail form O-ring seal) among Fig. 2.
Fig. 4 is I partial enlarged drawing (O-ring seal is half swallow-tail form O-ring seal) among Fig. 2.
By Fig. 1-4 as can be known, the utility model is made up of operation equipment, valve body, butterfly plate, O-ring seal, valve rod, water circulator, valve seat (22) with sphere shape is housed in the valve body (12), bottom and top at valve body (12) are respectively equipped with water inlet (23) and water outlet (21), butterfly plate (19) is symmetrical single eccentric bivalve plate, butterfly plate (19) is contained on the valve body (12) by upper valve rod (5) and lower valve rod (4), at last lower valve rod two ends stuffing box packing assembly (6) is housed respectively, filler assembly is made up of stuffing box packing, back-up ring and drip ring.Two O-ring seals (17) are fixed in the aprons slot of butterfly plate (19) by pressing plate (18), and O-ring seal is swallow-tail form or half swallow-tail form O-ring seal (seeing Fig. 3,4).Valve seat (22) forms the water seal chamber of sealing with butterfly plate (19) and two seals cushion rubber.
Water circulator is made up of water inlet (7), last water pot (9), outlet pipe (20), water storage tank (10), displacement can (14) and stop valve, valve body water inlet (23) is connected with water inlet (7) by stop valve (15), in the upper end of water inlet (7) water pot (9) is housed, valve body water inlet (23) also is connected with displacement can (14) by stop valve (13), valve body water outlet (21) is connected with water storage tank (10) by outlet pipe (20) and stop valve (11), and the height of water storage tank (10) is lower than the height of going up water pot (9).
Heating equipment (16) is housed, to guarantee that water does not freeze in the cold season valve at the water inlet place.
Operation equipment is for rotating Electric actuator, and it is made up of motor, reducing gear, position-limit mechanism.
On the rotation Electric actuator, handwheel is housed, manual opening/shutting valve under emergent occasion.
In the drawings, (2) are follower, and (3) are taper pin.
During operation, Electric actuator is rotated, drive upper valve rod (5) by the key cover by key and rotate, and drive butterfly plate (19) rotation by taper pin (3).One end of lower valve rod (4) is on valve body (12), and the other end is connected with butterfly plate (19) by taper pin (3), and concentric with upper valve rod (5), and the keying of this Water seal butterfly valve is that the rotation by butterfly plate (19) realizes.
When valve closing, force seal ring generation resiliently deformable, contact thereby reach tight with the spherical valve seat.At first open stop valve (11), open stop valve (15) then, stop valve this moment (13) must be in closed condition, locates to inject water by the water inlet (8) of last water pot (9), when water level reach a certain height, locate to flow out by the flow-off (25) of water storage tank (10).Utilize the natural height of water level to form one water seal.One water seal and twice rubber seal have so just been formed, altogether three seals.When valve need be opened, at first close stop valve (15), open stop valve (13) then, drain opening (24) by displacement can (14) is located water is arranged, treat after water has been arranged stop valve (13) and stop valve (11) to be closed, Electric actuator is rotated, make valve open.
The utility model has the advantages that good seal performance, slip is zero, does not have directionality to want during valve installation Ask, volume is little, and is in light weight, is specially adapted to require in the gas pipeline system into zero leakage.
Claims (6)
1, a kind of Water seal butterfly valve, it is characterized in that it is by operation equipment, valve body, butterfly plate, O-ring seal, valve rod, water circulator is formed, valve seat (22) with sphere shape is housed in the valve body (12), bottom and top at valve body (12) are respectively equipped with water inlet (23) and water outlet (21), butterfly plate (19) is symmetrical single eccentric bivalve plate, butterfly plate (19) is contained on the valve body (12) by upper valve rod (5) and lower valve rod (4), at last lower valve rod two ends stuffing box packing assembly (6) is housed respectively, two O-ring seals (17) are fixed in the aprons slot of butterfly plate (19) by pressing plate (18), and valve seat (22) forms the water seal chamber of sealing with butterfly plate (19) and two seals cushion rubber.
2, butterfly valve according to claim 1, it is characterized in that water circulator is by water inlet (7), last water pot (9), outlet pipe (20), water storage tank (10), displacement can (14) and stop valve are formed, valve body water inlet (23) is connected with water inlet (7) by stop valve (15), in the upper end of water inlet (7) water pot (9) is housed, valve body water inlet (23) also is connected with displacement can (14) by stop valve (13), valve body water outlet (21) is connected with water storage tank (10) by outlet pipe (20) and stop valve (11), and the height of water storage tank (10) is lower than the height of going up water pot (9).
3, butterfly valve according to claim 2 is characterized in that O-ring seal is swallow-tail form or half swallow-tail form O-ring seal.
4, butterfly valve according to claim 3 is characterized in that being equipped with at the water inlet place heating equipment (16).
5, according to claim 3 or 4 described butterfly valves, it is characterized in that operation equipment is to rotate Electric actuator, it is made up of motor, reducing gear, position-limit mechanism.
6, butterfly valve according to claim 5 is characterized in that on the rotation Electric actuator handwheel being housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215036 CN2384053Y (en) | 1999-06-15 | 1999-06-15 | Water seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215036 CN2384053Y (en) | 1999-06-15 | 1999-06-15 | Water seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2384053Y true CN2384053Y (en) | 2000-06-21 |
Family
ID=34007088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99215036 Expired - Fee Related CN2384053Y (en) | 1999-06-15 | 1999-06-15 | Water seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2384053Y (en) |
Cited By (2)
| 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 |
| CN112610703A (en) * | 2020-12-24 | 2021-04-06 | 马晓雷 | Butterfly valve with sealing protection structure |
-
1999
- 1999-06-15 CN CN 99215036 patent/CN2384053Y/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN112610703A (en) * | 2020-12-24 | 2021-04-06 | 马晓雷 | Butterfly valve with sealing protection structure |
| CN112610703B (en) * | 2020-12-24 | 2022-09-06 | 厦门弗瑞特流体控制有限公司 | Butterfly valve with sealing protection structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2384053Y (en) | Water seal butterfly valve | |
| CN209638435U (en) | A kind of ball valve of seat pressure self-sealing | |
| CN2179937Y (en) | Double-seal stop valve for air conditioner | |
| CN201627951U (en) | Rising stem knife type gate valve | |
| CN211232380U (en) | Back pressure type automatic water discharge float valve of methane condenser | |
| CN201166126Y (en) | Water seal butterfly valve | |
| CN101059277A (en) | Solar energy water heater | |
| CN2350611Y (en) | Full sealed magnetic coupling stop valve | |
| CN2929377Y (en) | Vacuum butterfly valve | |
| CN2272076Y (en) | Multi-functional time-delay self-colsing valve | |
| CN2333847Y (en) | Wedge-shaped sluice valve | |
| CN201166136Y (en) | Temperature adjustment type water sealing parallel type double gate valve | |
| CN219493087U (en) | Hard seal butterfly valve | |
| CN213655763U (en) | Manual butterfly valve with high sealing performance | |
| CN221034002U (en) | High-performance bidirectional sealing spherical butterfly valve | |
| CN216382651U (en) | Double-seal corrosion-resistant ball valve for natural gas pipeline | |
| CN212055881U (en) | Butterfly valve with automatic sealing function | |
| CN217977407U (en) | Anti-leakage hard sealing butterfly valve | |
| CN2705669Y (en) | Press cover type flange butterfly valve | |
| CN209340595U (en) | A kind of shut-off valve self-lock switch peculiar to vessel | |
| CN2380752Y (en) | Diaphragm-brake type control valve | |
| CN2931966Y (en) | Faucet type valve | |
| CN201013929Y (en) | Sealed butterfly valve | |
| CN211738157U (en) | Intelligent gas valve based on Internet of things | |
| CN216043913U (en) | Main steam valve of low-parameter saturated steam turbine and actuating mechanism thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |