CN217271975U - Anti-scouring stop valve - Google Patents
Anti-scouring stop valve Download PDFInfo
- Publication number
- CN217271975U CN217271975U CN202221093679.XU CN202221093679U CN217271975U CN 217271975 U CN217271975 U CN 217271975U CN 202221093679 U CN202221093679 U CN 202221093679U CN 217271975 U CN217271975 U CN 217271975U
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- valve
- clack
- valve body
- wear
- seat
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Abstract
The utility model discloses an antiscour stop valve, which comprises a valve body, the valve body can be dismantled through the bolt and be connected with the valve gap, the valve rod has the valve rod through packing swing joint, the valve rod can be dismantled and be connected with the valve clack, the valve gap is equipped with wear-resisting cover, wear-resisting cover and valve body cooperation setting are passed through to the one end of valve clack, the valve body is equipped with the disk seat, the other end of valve clack passes through sealing member and disk seat cooperation setting. The utility model can effectively reduce the influence of medium scouring on the valve body by arranging the wear-resistant sleeve and matching with the medium channel from top to bottom; through setting up the sealing member, when the valve was closed, the staff drove the valve clack through the valve rod and descends, and the lug was sealed the step gradually through sealed the pad this moment, and the clamping ring that the valve clack is close to lug one side compresses tightly the recess through the sliding ring and seals, realizes the double sealing effect of valve clack to the disk seat, effectively promotes the sealed effect of valve body.
Description
Technical Field
The utility model belongs to the technical field of the valve, especially, relate to an antiscour stop valve.
Background
The stop valve is also called as a stop valve, belongs to a forced sealing type valve, and is widely applied to systems such as boilers, steam turbines and the like, at present, most of domestic valves are easy to wear after a valve clack and a valve seat are eroded by high-pressure fluid for a long time due to the valve structure, so that the problem of internal leakage of the valve is caused, and therefore, a scouring-resistant stop valve is urgently needed to meet the use requirements of the valve in different working environments.
Among the prior art, the medium passageway of low business turn over height is adopted to common stop valve body majority on the market, but this kind of working method can lead to the medium to cause the scouring to valve clack and disk seat after getting into the valve body, causes wearing and tearing to the sealed face between valve clack and the disk seat easily to reduce the sealed effect of stop valve, serious person can lead to the stop valve to produce and reveal and can't play the effect of ending when closing even, reduce the life of stop valve.
To this end, we propose an anti-flush shut-off valve that solves the above mentioned problems.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an antiscour stop valve, the device can reduce the sealed face wearing and tearing of valve clack and disk seat, promotes the leakproofness of valve through double seal simultaneously to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an antiscour stop valve, includes the valve body, the valve body can be dismantled through the bolt and be connected with the valve gap, the valve rod has the valve rod through packing swing joint, the valve rod can be dismantled and be connected with the valve clack, the valve gap is equipped with wear-resisting cover, wear-resisting cover and valve body cooperation setting are passed through to the one end of valve clack, the valve body is equipped with the disk seat, the other end of valve clack passes through sealing member and disk seat cooperation setting.
Furthermore, the valve body is provided with a medium channel, the medium channel comprises a water inlet and a water outlet, the height of the water inlet is higher than that of the water outlet, and the wear-resistant sleeve is matched with the water inlet.
Further, the one end that the valve clack is close to the valve rod is equipped with the spread groove, the valve rod is equipped with the connecting block, the connecting block passes through apron and spread groove and can dismantle the connection.
Further, the one end that the connecting block was kept away from to the valve clack is equipped with the lug, the disk seat is equipped with the concave station, the lug is connected through sealed pad and concave station cooperation.
Furthermore, the sealing member includes clamping ring and sliding ring, clamping ring fixed connection is in the one end that the valve clack is close to the lug, sliding ring and disk seat sliding connection, clamping ring and sliding ring cooperation set up.
Further, the valve seat is provided with a groove, and the sliding ring is connected with the groove in a sliding mode through a spring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up wear-resisting cover, the cooperation is from top to bottom medium passageway, and when the valve clack is in the open mode, the medium loops through valve seat and delivery port from the water inlet and circulates, and the medium erodees the valve clack through wear-resisting cover this moment, flows out from the valve seat through the step, and the scouring action of medium to valve seat and valve clack is limited, reduces the valve body and receives the influence that the medium erodees;
2. the utility model discloses a set up the sealing member, when the valve was closed, the staff drove the valve clack through the valve rod and descends, and the lug was sealed the step gradually through sealed the pad this moment, and the clamping ring that the valve clack is close to lug one side compresses tightly sealedly to the recess through the sliding ring, realizes the double seal effect of valve clack to the disk seat, effectively promotes the sealed effect of valve body.
Drawings
Fig. 1 is a schematic structural view of an anti-scouring stop valve provided by the utility model;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is the utility model provides a connection structure schematic diagram of valve rod and valve clack in anti-scouring stop valve.
In the figure: 1. a valve body; 2. a valve cover; 3. a filler; 4. a valve stem; 41. connecting blocks; 42. a cover plate; 5. a valve clack; 51. connecting grooves; 52. a bump; 6. a wear-resistant sleeve; 7. a valve seat; 71. a concave platform; 72. a gasket; 73. a groove; 8. a seal member; 81. pressing a ring; 82. a slip ring; 83. a spring; 9. a media channel; 91. a water inlet; 92. and (7) a water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, an anti-scouring stop valve comprises a valve body 1, wherein the valve body 1 is detachably connected with a valve cover 2 through a bolt, the valve rod 4 is movably connected with a valve rod 4 through a packing 3, it should be noted that the valve cover 2 and the valve body 1 are both provided with a plurality of groups of screw holes, the bolt connects and fixes the valve cover 2 and the valve body 1 through the screw holes, and the packing 3 adopts a packing 3 special for common valves on the market such as polytetrafluoroethylene and the like and is used for ensuring the sealing performance of the valve rod 4 inside the valve body 1 during movement.
Referring to fig. 3, the valve rod 4 is detachably connected with the valve flap 5, and it should be noted that the valve flap 5 is provided with a connecting groove 51, the valve rod 4 is provided with a connecting block 41, the connecting block 41 is detachably connected with the connecting groove 51 through a cover plate 42, the connecting groove 51 is provided with a screw, the center of the cover plate 42 is movably connected with the valve rod 4, and the outer side of the cover plate 42 is connected with the valve flap 5 through a screw thread and a screw thread for connecting the valve flap 5.
Referring to fig. 1, valve gap 2 is equipped with wear-resisting cover 6, wear-resisting cover 6 and the cooperation setting of valve body 1 are passed through to the one end of valve clack 5, it is worth mentioning that, valve body 1 is equipped with medium channel 9, medium channel 9 includes water inlet 91 and delivery port 92, water inlet 91 highly is higher than delivery port 92 height, make valve body 1 at the during operation, the medium circulates by last to lower, reduce the influence of washing away that disk seat 7 received, wear-resisting cover 6 and the cooperation setting of water inlet 91, wear-resisting cover setting is on valve gap 2, when being connected with valve body 1, can water inlet 91 produce certain hindrance, protect valve clack 5 that is in the open mode, avoid the medium directly to wash away valve clack 5 when the circulation, guarantee the sealed effect between valve clack 5 and the disk seat 7, promote valve body 1's life.
Referring to fig. 2, the valve body 1 is provided with a valve seat 7, the other end of the valve flap 5 is disposed in cooperation with the valve seat 7 through a sealing member 8, it should be noted that one end of the valve flap 5 away from the connecting block 41 is provided with a convex block 52, the valve seat 7 is provided with a concave table 71, and the convex block 52 is connected in cooperation with the concave table 71 through a sealing gasket 72, so that the valve flap 5 performs a sealing effect in a closed state.
Specifically, the sealing member 8 includes a pressing ring 81 and a sliding ring 82, the pressing ring 81 is fixedly connected to one end of the valve flap 5 close to the protruding block 52, the sliding ring 82 is slidably connected to the valve seat 7, the pressing ring 81 and the sliding ring 82 are arranged in a matched manner, the valve seat 7 is provided with a groove 73, and the sliding ring 82 is slidably connected to the groove 73 through a spring 83, so that the valve flap 5 generates a secondary sealing effect through the clamping between the sealing plate and the groove 73 in the closed state.
Now, the operation principle of the present invention is described as follows:
in the utility model, when the valve is opened, the staff drives the valve clack 5 to rise through the valve rod 4, when the valve clack 5 is in an open state, the medium circulates through the valve seat 7 and the water outlet 92 from the water inlet 91 in sequence, at the moment, the medium washes the valve clack 5 through the wear-resistant sleeve 6 and flows out of the valve seat 7 through the step, and the washing effect of the medium on the valve seat 7 and the valve clack 5 is limited; when the valve is closed, the staff drives the valve clack 5 to descend through the valve rod 4, the convex block 52 seals the step gradually through the sealing gasket 72 at the moment, the pressing ring 81, close to one side of the convex block 52, of the valve clack 5 compresses and seals the groove 73 through the sliding ring 82, and the double sealing effect of the valve clack 5 on the valve seat 7 is achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an antiscour stop valve, includes valve body (1), its characterized in that, valve body (1) can be dismantled through the bolt and be connected with valve gap (2), valve gap (2) have valve rod (4) through packing (3) swing joint, valve rod (4) can be dismantled and be connected with valve clack (5), valve gap (2) are equipped with wear-resisting cover (6), wear-resisting cover (6) and valve body (1) cooperation setting are passed through to the one end of valve clack (5), valve body (1) are equipped with disk seat (7), the other end of valve clack (5) passes through sealing member (8) and disk seat (7) cooperation setting.
2. An anti-scouring stop valve according to claim 1, characterized in that the valve body (1) is provided with a medium channel (9), the medium channel (9) comprises a water inlet (91) and a water outlet (92), the water inlet (91) is higher than the water outlet (92), and the wear-resistant sleeve (6) and the water inlet (91) are arranged in a matching way.
3. An anti-scour shut-off valve according to claim 1, wherein the valve flap (5) is provided with a connecting groove (51) at an end thereof adjacent to the valve stem (4), the valve stem (4) is provided with a connecting block (41), and the connecting block (41) is detachably connected with the connecting groove (51) through a cover plate (42).
4. An anti-scouring shut-off valve according to claim 3, characterised in that the end of the valve flap (5) remote from the connecting block (41) is provided with a projection (52), the valve seat (7) is provided with a recess (71), and the projection (52) is in fit connection with the recess (71) through a sealing gasket (72).
5. An anti-scouring stop valve according to claim 4, characterized in that the sealing member (8) comprises a pressing ring (81) and a sliding ring (82), the pressing ring (81) is fixedly connected to one end of the valve clack (5) close to the projection (52), the sliding ring (82) is slidably connected with the valve seat (7), and the pressing ring (81) and the sliding ring (82) are arranged in a matching manner.
6. Anti-scour shut-off valve according to claim 5, wherein the valve seat (7) is provided with a groove (73), the slide ring (82) being slidably connected to the groove (73) by a spring (83).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221093679.XU CN217271975U (en) | 2022-05-09 | 2022-05-09 | Anti-scouring stop valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221093679.XU CN217271975U (en) | 2022-05-09 | 2022-05-09 | Anti-scouring stop valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217271975U true CN217271975U (en) | 2022-08-23 |
Family
ID=82884501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202221093679.XU Active CN217271975U (en) | 2022-05-09 | 2022-05-09 | Anti-scouring stop valve |
Country Status (1)
Country | Link |
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CN (1) | CN217271975U (en) |
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2022
- 2022-05-09 CN CN202221093679.XU patent/CN217271975U/en active Active
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