CN2294241Y - Gate shaped valve - Google Patents
Gate shaped valve Download PDFInfo
- Publication number
- CN2294241Y CN2294241Y CN 97233736 CN97233736U CN2294241Y CN 2294241 Y CN2294241 Y CN 2294241Y CN 97233736 CN97233736 CN 97233736 CN 97233736 U CN97233736 U CN 97233736U CN 2294241 Y CN2294241 Y CN 2294241Y
- Authority
- CN
- China
- Prior art keywords
- lining
- valve plate
- valve
- plane
- sealing surface
- 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
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Abstract
The utility model discloses a gate type valve, which is used for the industrial pipeline and equipment to convey fluid and slurry and adjusting the flow quantity. The utility model comprises an elevating start-stop mechanism of a valve plate and a valve body 5. The improvement is that a valve plate 10 and a lining 11 are contacted to form a sealing surface which is an annular sealing plane. The valve plate 10 is provided with a slope 12 and a lining 6 is provided with a corresponding slope 13. When the valve plate downward moves to be closed, the slope 12 and the slope 13 are mutually acted to tightly press the sealing surface. The lining and the valve plate are made from the wear resistant material of diamond alloy cast steel. The utility model has the advantages of strict sealing, wear resistance, etc.
Description
The utility model relates to a kind of gate valve, in industrial pipeline and equipment, and the gate valve of fluid and slurry feed adjustment flow.
At present, the interior formed sealing surface of groove that known gate valve, its valve plate bottom insert runner is a cylinder curved surface, easy accumulative deposit thing in the groove on the runner, valve plate can not be inserted fully, and the weak point of this structure is poorly sealed and not wear-resisting.
The purpose of this utility model is to provide a kind of sealing tight, and the abrasion resistant gate valve is to overcome the deficiency of above-mentioned gate valve.
The utility model gate valve is to realize like this, it has valve plate lifting mechanism for opening/closing, valve body 5, its improvements are: valve plate 10 contacts the sealing surface that forms with lining 11 be a ring plain, has inclined-plane 12 on the valve plate 10, has the inclined-plane 13 that matches with inclined-plane 12 on the lining 6, when valve plate 10 descending closing, inclined-plane 12 and inclined-plane 13 mutual actions make the sealing surface compact of valve plate 10 and lining 11.
The utility model gate valve can be to have groove 14 on the lining 6.
The utility model gate valve can be that lining 6 and lining 11 are diamond alloy cast steel anti-wearing liners.
The utility model gate valve can be that valve plate 10 is the wear-resisting valve plates of diamond alloy cast steel.
The utility model gate valve is compared with known gate valve, has to seal advantages such as tight and wear-resisting.
Fig. 1: the master of the utility model gate valve looks cut-away view.
Fig. 2: the enlarged drawing of valve plate among Fig. 1.
The left view of Fig. 3: Fig. 2.
The right elevation of Fig. 4: Fig. 5.
Fig. 5: the enlarged drawing of lining 6 among Fig. 1.
In conjunction with the embodiments the utility model gate valve is described further with reference to accompanying drawing, valve plate lifting mechanism for opening/closing is by handwheel 1, nut seat 2, support 3, valve rod 7 is formed, leakproofing material 8 is housed in the gland 4, the runner inner liner abrasive resistant lining 6 and the lining 11 of valve body 5, valve plate 10 contacts formed sealing surface with lining 11 be a ring plain, elastic polyurethane seal ring 9 is housed on the sealing surface of lining 11, has inclined-plane 12 on the valve plate 10, has the inclined-plane 13 that matches with inclined-plane 12 on the lining 6, when valve plates 10 descending valve-offs, inclined-plane 12 and inclined-plane 13 mutual actions, the sealing surface that promotes valve plate 10 and lining 11 fully compresses, reach the leak free purpose, have groove 14 on the lining 6, when valve plate 10 inserted the groove of runner, the sediment in the groove was discharged along the groove on the lining 6 14, lining 11, lining 6 and valve plate 10 are diamond alloy cast steel high-abrasive materials, have the abrasion resistant advantage.
Claims (5)
1, a kind of gate valve that is used for industrial pipeline and equipment fluid and slurry feed adjustment flow, it has valve plate lifting mechanism for opening/closing, valve body 5, it is characterized in that valve plate 10 contacts the sealing surface that forms with lining 11 be a ring plain, has inclined-plane 12 on the valve plate 10, has the inclined-plane 13 that matches with inclined-plane 12 on the lining 6, when valve plate 10 descending closing, inclined-plane 12 and inclined-plane 13 mutual actions make the sealing surface compact of valve plate 10 and lining 11.
2, gate valve according to claim 1 is characterized in that having groove 14 on the lining 6.
3, gate valve according to claim 2 is characterized in that on the sealing surface of lining 11 the elastic polyurethane seal ring being housed.
4, gate valve according to claim 3 is characterized in that lining 6 and lining 11 are diamond alloy cast steel anti-wearing liners.
5, gate valve according to claim 4 is characterized in that valve plate 10 is the wear-resisting valve plates of diamond alloy cast steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97233736 CN2294241Y (en) | 1997-06-25 | 1997-06-25 | Gate shaped valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97233736 CN2294241Y (en) | 1997-06-25 | 1997-06-25 | Gate shaped valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2294241Y true CN2294241Y (en) | 1998-10-14 |
Family
ID=33945245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97233736 Expired - Fee Related CN2294241Y (en) | 1997-06-25 | 1997-06-25 | Gate shaped valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2294241Y (en) |
-
1997
- 1997-06-25 CN CN 97233736 patent/CN2294241Y/en not_active Expired - Fee Related
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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 |