CN201065955Y - Large caliber cast iron gate valve for water delivery and distribution - Google Patents
Large caliber cast iron gate valve for water delivery and distribution Download PDFInfo
- Publication number
- CN201065955Y CN201065955Y CNU2007200853527U CN200720085352U CN201065955Y CN 201065955 Y CN201065955 Y CN 201065955Y CN U2007200853527 U CNU2007200853527 U CN U2007200853527U CN 200720085352 U CN200720085352 U CN 200720085352U CN 201065955 Y CN201065955 Y CN 201065955Y
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- China
- Prior art keywords
- valve
- flashboard
- valve body
- wedge shape
- model
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- 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
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Abstract
The utility model relates to a large-caliber water transmission and distribution cast iron gate valve for blocking or connecting medium in a water transmission and distribution pipeline. The electric device of the utility model is connected with a valve shaft at the top of the valve, the valve shaft is connected with a valve plate through a valve rod nut, a valve plate sealing ring and a valve body sealing ring are respectively arranged on the wedge-shaped valve plate and the valve body, anti-drop rabbets are arranged on the sealing surfaces, and simultaneously four fixed rollers are adopted on the valve plate and in the inner cavity of the valve body for guiding. The friction force of the sealing rings is reduced, and the parallel degree between the valve plate sealing surface and the valve body sealing surface is ensured during the meshing process of the sealing pair of the utility model.
Description
Technical field:
The utility model relates to the gate valve that blocks on the water-supply pipeline or be communicated with medium, particularly relates to the heavy caliber gate valve.
Background technique:
Development along with city transmission ﹠ distribution water and water treatment field, more domestic pipeline heavy caliber gate valves generally only are used for the blowdown pipe-networks engineering, and the valve of using on the water distribution pipeline line is big because of opening and closing moment, Electric actuator can't be supporting and need customized, valve blank reject rate height, quality are difficult to guarantee gate valve body, flashboard and valve cover structure complexity, bring difficulty to manufacturing, the processing technology complexity.And seal ring easily comes off valve leak.
Summary of the invention:
The purpose of this utility model is to provide a kind of heavy caliber transmission ﹠ distribution water cast iron gate valve, and it is a kind of simple in structure, easy to manufacture, seals tight valve.
The technical solution of the utility model is as follows:
The utility model comprises Electric actuator, valve body, flashboard, valve shaft, seal ring, Electric actuator is connected at the valve body top and with valve shaft, valve shaft is connected with flashboard by Stem Mut, its valve body and flashboard are wedge shape, flashboard seal ring and valve seals are separately fixed at the wedge shape flashboard, on the wedge shape valve body, flashboard in wedge shape, the valve body of wedge shape is provided with the Drop-proof seam, to prevent that valve plate seal ring, valve seals from coming off, simultaneously 4 fixed guide rollers are arranged, to guarantee the parallelism of flashboard sealing surface and valve body sealing surface at flashboard and body cavity.
Advantage of the present utility model is as follows:
1, flashboard of the present utility model, valve body, seal ring are wedge-shaped structure, and have adopted the Drop-proof fixing structure on the sealing surface of flashboard, valve body, have reduced the frictional force of seal ring in its sealing pair engagement process.
2, be provided with 4 fixed guide rollers in flashboard of the present utility model, the body cavity, guaranteed the parallelism of flashboard sealing surface and valve body sealing surface.
Description of drawings:
Fig. 1 is the utility model structural drawing;
Fig. 2 is the utility model outline drawing;
Fig. 3 is the enlarged view of the utility model sealing pair 5;
Fig. 4 is the utility model flashboard structure figure.
Embodiment:
Referring to accompanying drawing embodiment, the utility model is further described:
Among Fig. 1-4, Electric actuator 1 is connected with valve shaft 2 at valve top part, and flashboard 6 is contained in valve body 4 internal bypass valve 8, valve orchid 3, sealing pair 5, valve seals 1, flashboard seal ring 9 are model 1, and valve body 4, flashboard 6 are cast iron quality, they adopt the complete-resin abrasive moulding, material adopts as-cast ferrite ductile iron, and indeformable through guaranteeing after the ageing treatment, casting surface is through ball blast simultaneously, finishing is handled, and surface roughness is good.The flashboard seal ring 9 of wedge shape is on the flashboard 6 of wedge shape, the valve seals 11 of wedge shape is on the valve body 4 of wedge shape, the flashboard 6 of wedge shape, Drop- proof seam 10,12 is arranged respectively on the sealing surface of the valve body 4 of wedge shape, to prevent flashboard seal ring 9, valve seals 11 comes off, and in the cavity of the flashboard 6 of wedge shape, valve body 44 fixed guide rollers 7 is arranged, and has guaranteed the parallelism of flashboard sealing surface and valve body sealing surface.
Claims (1)
1. one kind relates to the heavy caliber transmission ﹠ distribution water cast iron gate valve that blocks on the water-supply pipeline or be communicated with medium, comprise Electric actuator (1), valve body (4), flashboard (6), valve shaft (2), seal ring, Electric actuator (1) is connected at valve top part and with valve shaft (2), valve shaft (2) is connected with flashboard (6) by Stem Mut, it is characterized in that: valve body (4) and flashboard (6) are wedge shape, flashboard seal ring (9) and valve seals (11) are also respectively in wedge shape flashboard (6), on the wedge shape valve body (4), flashboard (6) in wedge shape, be respectively arranged with Drop-proof seam (10 on the sealing surface of the valve body of wedge shape (4), 12), flashboard (6) is provided with 4 fixed guide rollers (7) with valve body (4) inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200853527U CN201065955Y (en) | 2007-06-20 | 2007-06-20 | Large caliber cast iron gate valve for water delivery and distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200853527U CN201065955Y (en) | 2007-06-20 | 2007-06-20 | Large caliber cast iron gate valve for water delivery and distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065955Y true CN201065955Y (en) | 2008-05-28 |
Family
ID=39483132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200853527U Expired - Fee Related CN201065955Y (en) | 2007-06-20 | 2007-06-20 | Large caliber cast iron gate valve for water delivery and distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065955Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006242A (en) * | 2017-11-28 | 2018-05-08 | 安徽荣达阀门有限公司 | A kind of novel hard seal gate valve |
-
2007
- 2007-06-20 CN CNU2007200853527U patent/CN201065955Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006242A (en) * | 2017-11-28 | 2018-05-08 | 安徽荣达阀门有限公司 | A kind of novel hard seal gate valve |
| CN108006242B (en) * | 2017-11-28 | 2019-07-12 | 安徽荣达阀门有限公司 | A kind of novel hard seal gate 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: HUBEI HONGCHENG GENERAL MACHINERY CO., LTD. Free format text: FORMER OWNER: HUBEI HONGCHENG UNIVERSAL MACHINERY CO., LTD. Effective date: 20140210 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140210 Address after: Red Gate Road 434000 Hubei city of Jingzhou province No. 3 Patentee after: Hubei Hongcheng General Machinery Co., Ltd. Address before: 434000 Jingzhou city of Hubei Province, Shashi District Red Gate Road No. 3 Patentee before: Hubei Hongcheng General Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20140620 |
|
| EXPY | Termination of patent right or utility model |