CN2864256Y - Two-way hard seal double eccentric ball valve - Google Patents
Two-way hard seal double eccentric ball valve Download PDFInfo
- Publication number
- CN2864256Y CN2864256Y CN 200520098911 CN200520098911U CN2864256Y CN 2864256 Y CN2864256 Y CN 2864256Y CN 200520098911 CN200520098911 CN 200520098911 CN 200520098911 U CN200520098911 U CN 200520098911U CN 2864256 Y CN2864256 Y CN 2864256Y
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- valve
- hemispheres
- billiard table
- shaft
- ball valve
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Abstract
The utility model discloses a bidirectional hard sealed double eccentricity globe valve. And the utility model comprises valve body and valve bonnet connecting with valve main body; valve shaft penetrates out from valve bonnet and two hemispheres or tables are disposed on the valve shaft with their nucelluses out of alignment with the level central line of straight channel; moreover, the nucelluses of two hemispheres and tables do not match; a valve bonnet is disposed at both entrance and exit terminals for media in valve main body which could be wiper sealed with two valve bonnets independently; the two hemispheres and tables are canulate channels. This globe valve boasts tiny water loss and functions of silt abrasion resistance and self-cleansing; and this valve could be opened or closed quickly-eccentric shaft deflects 90 degrees to open or close with the time of 0.2 second; this valve is fit for straight channels with a high flow capacity speed and the solid eccentric shaft is fit for high flow capacity speed without vibration; this utility model boasts long service life and small installation height; in addition, it could realize two-way seal. This valve is applicable for pipes of rinsing, raw water, sewage, turbid circulating water, etc.
Description
Technical field
The utility model belongs to pipeline control valve, is specifically related to a kind of double-eccentric ball valve.
Background technique
Present widely used eccentric half-ball valve adopts one-way sealing, the inner flow passage that constitutes between hemisphere and the valve body is different with valve body medium inlet end runner, and medium is during by valve, because the change of flow channel shape, can be subjected to the obstruction of valve body inner flow passage, increase damage by water like this.Then require valve to rise to close fast for containing the silt particle medium, the valve plate of gate valve and butterfly valve and guiding groove are easily by sand erosion.
Summary of the invention
The two-way hard seal double-eccentric ball valve that provides a kind of damage by water minimum is provided the purpose of this utility model, to overcome the problems referred to above.
The technical solution of the utility model is: the two-way hard seal double-eccentric ball valve, it comprises valve body, the valve gap that is connected with valve body, valve shaft passes valve gap, establishes two hemispheres or billiard table on the valve shaft, and the centre of sphere of two hemispheres or billiard table does not overlap with the horizontal center line of line flowing channel, the centre of sphere of two hemispheres or billiard table does not overlap, medium is respectively established a valve seat into and out of two ends in the valve body, and two hemispheres or billiard table can be respectively and two valve seat contact seals, and two hemispheres or billiard table are hollow duct.
It is minimum that this valve has damage by water, and after it was opened, runner was unimpeded fully, and damage by water is minimum; Anti-sand wear and self-cleaning function, ball valve spherical crown after unlatching is hidden in the valve body and is not washed away, because wobbler action, in closing, have only at the last moment that spherical crown just relies on valve seat, do not form wearing and tearing, the ring spray stream that sealing pair forms at this moment can wash away the dirt on it; The spherical crown of hard sealing can cut away the fiber dirt on the sealing pair; Open and close rapidly, eccentric shaft deflection promptly realizes for 90 ° opening and closing, and the time can be short to 0.2S; Be fit to high flow rate, straight-through runner, firm eccentric shaft is fit to high flow rate, friction; Life-span is long, and setting height(from bottom) is little; Can realize two way sealed.Be applicable to pipelines such as clear water, Yuan Shui, sewage, turbid circulating water.
Description of drawings
Fig. 1 two-way hard seal double-eccentric ball valve structural representation
The eccentric schematic representation of two hemispheres of Fig. 2 or billiard table
Embodiment
As shown in Figure 1, connect valve gap 9 on the valve body 1, connect drive unit 10 by connecting fastening piece 11 on the valve gap 9, valve shaft is made of last valve shaft 8 and lower valve shaft 3; Last cover axle sleeve 8 passes valve gap 9 and seals with it by Sealing 12.Last valve shaft 8 is connected with drive unit 10, thereby realizes electronic automatic driving; This valve also can be manual.Lower valve shaft 3 is located at the lower end of valve body 1, and by end cap 4 sealings.
Medium 13,14 is respectively established a valve seat 71,72 into and out of two ends in the valve body 1, and valve seat 71,72 is fixed on the valve body 1 by trim ring 61,62 respectively.
Be provided with the hemisphere or the billiard table of two off-centre between last valve shaft 8 and the lower valve shaft 3, present embodiment is the billiard table 21,22 of two off-centre.Connecting ring spherical crown 51,52 respectively on two billiard tables 21,22, when valve closing two global hats 51,52 respectively with 71,72 contact seals of two valve seats, two billiard tables are hollow duct 15.
As shown in Figure 2, the centre of sphere of two billiard tables 21,22 does not overlap with the horizontal center line 16 of line flowing channel, be that the centre of sphere of billiard table 21 and the horizontal center line 16 offset distance δ of line flowing channel form off-centre, the centre of sphere of billiard table 22 and the horizontal center line of line flowing channel 16 offset distance δ form off-centre.And the centre of sphere of two billiard tables 21,22 does not also overlap, and promptly the centre of sphere of two billiard tables 21,22 is opposite with the eccentric direction of the horizontal center line 16 of line flowing channel, and the centre of sphere of billiard table 21 is eccentric downwards in the drawings, and the centre of sphere of billiard table 22 is upwards eccentric.
Its principle is: the keying of eccentric ball valve is to rely on spherical crown on the eccentric shaft and the valve seat clutch on the valve body to realize.Owing between spherical crown center and center shaft axis the spacing of departing from is arranged, so ball valve is called eccentric ball valve.The existence of this spacing makes valve when closing, rotation eccentric axis, and spherical crown and valve seat are crowded more tight more, guarantee that valve has good closing.In opening-closing process, the eccentric shaft angle of swing is not more than 90 °, so the keying of eccentric ball valve is rapidly.
Claims (4)
1, a kind of two-way hard seal double-eccentric ball valve, it comprises valve body, the valve gap that is connected with valve body, valve shaft passes valve gap, it is characterized in that establishing on the valve shaft two hemispheres or billiard table, and the centre of sphere of two hemispheres or billiard table does not overlap with the horizontal center line of line flowing channel, the centre of sphere of two hemispheres or billiard table does not overlap, medium is respectively established a valve seat into and out of two ends in the valve body, and two hemispheres or billiard table can be respectively and two valve seat contact seals, and two hemispheres or billiard table are hollow duct.
2, two-way hard seal double-eccentric ball valve according to claim 1 is characterized in that the centre of sphere of two hemispheres or billiard table is opposite with the eccentric direction of the horizontal center line of line flowing channel.
3, two-way hard seal double-eccentric ball valve according to claim 1 is characterized in that connecting seal arrangement on two hemispheres or the billiard table.
4, two-way hard seal double-eccentric ball valve according to claim 1 is characterized in that the valve shaft that passes valve gap connects drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098911 CN2864256Y (en) | 2005-11-24 | 2005-11-24 | Two-way hard seal double eccentric ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098911 CN2864256Y (en) | 2005-11-24 | 2005-11-24 | Two-way hard seal double eccentric ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864256Y true CN2864256Y (en) | 2007-01-31 |
Family
ID=37676707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520098911 Expired - Lifetime CN2864256Y (en) | 2005-11-24 | 2005-11-24 | Two-way hard seal double eccentric ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2864256Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769392B (en) * | 2009-01-05 | 2013-07-17 | 帝二福希公司 | Large-scale double eccentric ball plug valve |
| CN109958791A (en) * | 2017-12-25 | 2019-07-02 | 重庆昂宇自控仪表有限公司 | A kind of double-eccentric ball valve |
-
2005
- 2005-11-24 CN CN 200520098911 patent/CN2864256Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769392B (en) * | 2009-01-05 | 2013-07-17 | 帝二福希公司 | Large-scale double eccentric ball plug valve |
| CN109958791A (en) * | 2017-12-25 | 2019-07-02 | 重庆昂宇自控仪表有限公司 | A kind of double-eccentric ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN DAYU VALVE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: LI XIHONG Effective date: 20110701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN DAYU VALVE MANUFACTURE CO., LTD., ZHUANYANG SCIENCE AND TECHNOLOGY INDUSTRIAL PARK, WUHAN ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, ZHUANKOU, WUHAN CITY, HUBEI PROVINCE TO: 430056 ZHUANYANG SCIENCE AND TECHNOLOGY INDUSTRIAL PARK, WUHAN ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, ZHUANKOU, WUHAN CITY, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110701 Address after: 430056 Hubei city of Wuhan province Zhuankou Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Patentee after: Wuhan Dayu Valve Manufacturing Co., Ltd. Address before: 430056 Hubei city of Wuhan province Zhuankou Wuhan economic and Technological Development Zone Science and Technology Industrial Park Wuhan Dun Yang Yu Valve Manufacturing Co. Ltd Patentee before: Li Xihong |
|
| C56 | Change in the name or address of the patentee |
Owner name: WUHAN DAYU VALVE CO., LTD. Free format text: FORMER NAME: WUHAN DAYU VALVE MANUFACTURING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 430056 Hubei city of Wuhan province Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Patentee after: Wuhan Dayu Valve Co., Ltd. Address before: 430056 Hubei city of Wuhan province Zhuankou Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Patentee before: Wuhan Dayu Valve Manufacturing Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Dayu Valve Manufacturing Co., Ltd. Assignor: Li Xihong Contract record no.: 2010420000062 Denomination of utility model: Two-way hard seal double eccentric ball valve Granted publication date: 20070131 License type: Exclusive License Record date: 20100528 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070131 |
|
| EXPY | Termination of patent right or utility model |