CN204403422U - A kind of high sealing gate valve - Google Patents
A kind of high sealing gate valve Download PDFInfo
- Publication number
- CN204403422U CN204403422U CN201520065934.3U CN201520065934U CN204403422U CN 204403422 U CN204403422 U CN 204403422U CN 201520065934 U CN201520065934 U CN 201520065934U CN 204403422 U CN204403422 U CN 204403422U
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- China
- Prior art keywords
- valve
- valve plate
- push rod
- plane
- sealing
- Prior art date
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Abstract
The utility model discloses a kind of high sealing gate valve, comprise valve body and valve gap, described valve body and valve gap joint are provided with sealing gasket, and middle part is interspersed with valve rod, described valve rod bottom is connected with valve plate, described valve plate has two, for left and right valve plate, connected by ring connecting piece bottom two valve plates, bottom described ring connecting piece, compact siro spinning technology has double wedge, described valve plate dual-side is equipped with sealing surface of valve plate, the position corresponding with sealing surface of valve plate is respectively equipped with at described body cavity and seals inclined-plane and lower seal inclined-plane, described valve stem top is provided with handle, described valve rod center is interspersed with push rod, described push rod welded top has push rod nut.This gate valve is by the pit of body cavity, can effectively reduce external shock power to the damage of valve plate to such an extent as to distortion seepage, have additional push rod in the middle part of valve rod, push rod can make valve plate and upper sealing inclined-plane and lower seal inclined-plane reach seamless applying, solves gate valve leakage problems.
Description
Technical field
The utility model relates to a kind of gate valve, more particularly, particularly relates to a kind of high sealing gate valve.
Background technique
The open-shut device of gate valve is flashboard, and moving direction and the flow direction of flashboard are perpendicular, and gate valve can only make standard-sized sheet and complete shut-down, can not make adjustments and throttling.Flashboard has two sealing surfaces, and two sealing surfaces of the most frequently used pattern gate valve form wedge shape.When gate valve is closed, sealing surface can only rely on pressure medium to seal, and namely relies on pressure medium the sealing surface of flashboard to be pressed to the valve seat of opposite side to ensure the sealing of sealing surface, selfsealings that Here it is.Major part gate valve adopts forced seal, namely during valve closing, external force be relied on by force flashboard to be pressed to valve seat, to ensure the sealing of sealing surface.But the existing flashboard life-span is shorter, long-time use after, due to the reason such as a variety of causes and friction, sealing is declined, can not get sealing completely, to such an extent as to occur the phenomenon of seepage, and a replacing gate valve thing of taking great energy effort especially.
Model utility content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides a kind of high sealing gate valve.
The technical solution of the utility model is achieved in that a kind of high sealing gate valve, comprise valve body and valve gap, described valve body is fixedly connected with by locking screw with valve gap, described valve gap top is installed with locking nut, described valve body and valve gap joint are provided with sealing gasket, and middle part is interspersed with valve rod, described valve rod bottom is connected with valve plate, described valve plate has two, for left and right valve plate, connected by ring connecting piece bottom two valve plates, bottom described ring connecting piece, compact siro spinning technology has double wedge, what match with it bottom described double wedge is provided with meshing double wedge, and meshing double wedge is positioned at bottom in the middle part of body cavity, described valve plate dual-side is equipped with sealing surface of valve plate, the position corresponding with sealing surface of valve plate is respectively equipped with at described body cavity and seals inclined-plane and lower seal inclined-plane, described sealing surface of valve plate upper and lower is respectively equipped with seal ring and lower seal, described valve stem top is provided with handle, described valve rod center is interspersed with push rod, described push rod welded top has push rod nut, described push rod bottom is welded with spheroid.
Preferably, described sealing surface of valve plate parallels with the center line axis on upper sealing inclined-plane and lower seal inclined-plane, and can closely cooperate between three.
Preferably, described spheroid is interspersed between two valve plates, and spheroid fits tightly and valve plate inwall.
Preferably, described body cavity is provided with for alleviating the pit impacted valve plate.
Preferably, described upper seal ring and lower seal are rigid seal circle, and upper seal ring and lower seal lower surface are equipped with rubber pad.
After the utility model adopts said structure, this gate valve by the pit of body cavity, can effectively reduce external shock power to the damage of valve plate to such an extent as to distortion seepage, have additional push rod in the middle part of valve rod, push rod can make valve plate and upper sealing inclined-plane and lower seal inclined-plane reach seamless applying, solve gate valve leakage problems, when gate valve is closed, upper-lower seal circle is fitted respectively at upper-lower seal inclined-plane, prevent seepage further, this gate valve is reasonable in design, and structure is comparatively simple, is applicable to promoting widely.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
In figure: 1 push rod nut, 2 handles, 3 sealing gaskets, 4 valve plates, 5 valve bodies, 6 seal seal ring, 18 lower seal, 19 spheroids on inclined-plane, 7 sealing surface of valve plate, 8 lower seal inclined-planes, 9 double wedges, 10 ring connecting pieces, 11 push rods, 12 locking screws, 13 valve gaps, 14 locking nuts, 15 valve rods, 16 meshing double wedges, 17.
Embodiment
Consult shown in Fig. 1, a kind of high sealing gate valve of the present utility model, comprise valve body 5 and valve gap 13, described valve body 5 is fixedly connected with by locking screw 12 with valve gap 13, described valve gap 13 top is installed with locking nut 14, described valve body 5 and valve gap 13 joint are provided with sealing gasket 3, and middle part is interspersed with valve rod 15, described valve rod 15 bottom is connected with valve plate 4, described valve rod 15 drives valve plate 4 to move up and down, for opening and closing whole gate valve, described valve plate 4 has two, for left and right valve plate, connected by ring connecting piece 10 bottom two valve plates 4, bottom described ring connecting piece 10, compact siro spinning technology has double wedge 9, what match with it bottom described double wedge 9 is provided with meshing double wedge 16, and meshing double wedge 16 is positioned at bottom in the middle part of valve body 5 inner chamber, when gate valve is closed, double wedge 9 is completely meshing with meshing double wedge 16, leakage proof, described valve plate 4 dual-side is equipped with sealing surface of valve plate 7, the position corresponding with sealing surface of valve plate 7 is respectively equipped with at described valve body 5 inner chamber and seals inclined-plane 6 and lower seal inclined-plane 8, described sealing surface of valve plate 7 parallels with the center line axis on upper sealing inclined-plane 6 and lower seal inclined-plane 8, and can closely cooperate between three, when valve rod 15 moves downward closing gate valve, first both sides valve plate 4 coordinates with corresponding upper sealing inclined-plane 6 and lower seal inclined-plane 8 and fits tightly, described sealing surface of valve plate 7 upper and lower is respectively equipped with seal ring 17 and lower seal 18, described upper seal ring 17 and lower seal 18 are rigid seal circle, and upper seal ring 17 and lower seal 18 lower surface are equipped with rubber pad, when gate valve is closed, upper seal ring 17 and lower seal 18 lower surface fit tightly respectively at upper sealing inclined-plane 6 and lower seal inclined-plane 8, leakage proof, at locking push rod nut 1, by push rod 11, valve plate 4 is locked with corresponding upper sealing inclined-plane 6 and lower seal inclined-plane 8, reach seamless link, prevent seepage, described valve rod 15 top is provided with handle 2, described valve rod 15 center is interspersed with push rod 11, described push rod bottom is welded with spheroid 19, described spheroid 19 is interspersed between two valve plates 4, and spheroid 19 fits tightly and valve plate 4 inwall, described push rod 11 welded top has push rod nut 1, described valve body 5 inner chamber is provided with for alleviating the pit impacted valve plate 4.
Above illustrated embodiment is better embodiment of the present utility model, only be used for conveniently the utility model being described, not any pro forma restriction is done to the utility model, have in any art and usually know the knowledgeable, if do not depart from the utility model carry in the scope of technical characteristics, utilize the utility model disclose the Equivalent embodiments changing or modify in the done local of technology contents, and do not depart from technical characteristics content of the present utility model, all still belong in the scope of the utility model technical characteristics.
Claims (5)
1. a high sealing gate valve, comprise valve body (5) and valve gap (13), described valve body (5) is fixedly connected with by locking screw (12) with valve gap (13), it is characterized in that: described valve gap (13) top is installed with locking nut (14), described valve body (5) and valve gap (13) joint are provided with sealing gasket (3), and middle part is interspersed with valve rod (15), described valve rod (15) bottom is connected with valve plate (4), described valve plate (4) has two, for left and right valve plate, two valve plates (4) bottom is connected by ring connecting piece (10), described ring connecting piece (10) bottom is provided with double wedge (9), what described double wedge (9) bottom matched with it is provided with meshing double wedge (16), and meshing double wedge (16) is positioned at bottom in the middle part of valve body (5) inner chamber, described valve plate (4) dual-side is equipped with sealing surface of valve plate (7), the position corresponding with sealing surface of valve plate (7) is respectively equipped with upper sealing inclined-plane (6) and lower seal inclined-plane (8) at described valve body (5) inner chamber, described sealing surface of valve plate (7) upper and lower is respectively equipped with seal ring (17) and lower seal (18), described valve rod (15) top is provided with handle (2), described valve rod (15) center is interspersed with push rod (11), described push rod (11) welded top has push rod nut (1), described push rod bottom is welded with spheroid (19).
2. a kind of high sealing gate valve according to claims 1, it is characterized in that: described sealing surface of valve plate (7) parallels with the center line axis of upper sealing inclined-plane (6) and lower seal inclined-plane (8), and can closely cooperate between three.
3. a kind of high sealing gate valve according to claims 1, is characterized in that: described spheroid (19) is interspersed between two valve plates (4), and spheroid (19) fits tightly and valve plate (4) inwall.
4. a kind of high sealing gate valve according to claims 1, is characterized in that: described valve body (5) inner chamber is provided with for alleviating the pit impacted valve plate (4).
5. a kind of high sealing gate valve according to claims 1, it is characterized in that: described upper seal ring (17) and lower seal (18) are rigid seal circle, and upper seal ring (17) and lower seal (18) lower surface are equipped with rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520065934.3U CN204403422U (en) | 2015-01-29 | 2015-01-29 | A kind of high sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520065934.3U CN204403422U (en) | 2015-01-29 | 2015-01-29 | A kind of high sealing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403422U true CN204403422U (en) | 2015-06-17 |
Family
ID=53427282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520065934.3U Expired - Fee Related CN204403422U (en) | 2015-01-29 | 2015-01-29 | A kind of high sealing gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204403422U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481833A (en) * | 2015-08-25 | 2017-03-08 | 中国石油天然气集团公司 | A kind of high temperature cut-off valve hard sealing structure |
| JP2018112288A (en) * | 2017-01-13 | 2018-07-19 | 株式会社島津製作所 | Valve gear |
| CN108374906A (en) * | 2018-04-25 | 2018-08-07 | 中海石油(中国)有限公司湛江分公司 | A kind of natural gas wellhead gate valve |
| CN110553048A (en) * | 2019-09-21 | 2019-12-10 | 长兴创智科技有限公司 | wear-resistant gate valve |
| CN112197053A (en) * | 2020-10-16 | 2021-01-08 | 温州市维耐特阀门有限公司 | Gate valve and operation method thereof |
-
2015
- 2015-01-29 CN CN201520065934.3U patent/CN204403422U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481833A (en) * | 2015-08-25 | 2017-03-08 | 中国石油天然气集团公司 | A kind of high temperature cut-off valve hard sealing structure |
| JP2018112288A (en) * | 2017-01-13 | 2018-07-19 | 株式会社島津製作所 | Valve gear |
| CN108302211A (en) * | 2017-01-13 | 2018-07-20 | 株式会社岛津制作所 | Valve gear |
| US10900574B2 (en) | 2017-01-13 | 2021-01-26 | Shimadzu Corporation | Valve device |
| CN108374906A (en) * | 2018-04-25 | 2018-08-07 | 中海石油(中国)有限公司湛江分公司 | A kind of natural gas wellhead gate valve |
| CN108374906B (en) * | 2018-04-25 | 2024-01-12 | 中海石油(中国)有限公司湛江分公司 | Gate valve for natural gas wellhead |
| CN110553048A (en) * | 2019-09-21 | 2019-12-10 | 长兴创智科技有限公司 | wear-resistant gate valve |
| CN110553048B (en) * | 2019-09-21 | 2021-05-07 | 吉泰阀门集团有限公司 | Wear-resistant gate valve |
| CN112197053A (en) * | 2020-10-16 | 2021-01-08 | 温州市维耐特阀门有限公司 | Gate valve and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20170129 |