CN220451058U - Anticollision gate valve with buffer assembly - Google Patents

Abstract

The utility model discloses an anti-collision gate valve with a buffer assembly, which comprises a valve body and flange plates arranged at the top of the valve body, wherein valve pipes are respectively and vertically arranged at the left side and the right side of the valve body, a first-stage filter ring is arranged in the valve pipes, a transverse filter screen is arranged on the first-stage filter ring, a second-stage filter ring is arranged behind the first-stage filter ring, a vertical filter screen is arranged on the second-stage filter ring, a third-stage filter ring is arranged behind the second-stage filter ring, an inclined filter screen is arranged on the third-stage filter ring, when the first-stage filter ring is impacted by water flow, the second-stage filter ring is pushed to move backwards, in the moving process, the distance among the filter rings is reduced, at the moment, the transverse filter screen, the vertical filter screen and the inclined filter screen are close to overlap to increase the mesh density, the sundries in the water flow are prevented from accumulating at the valve plate, the abrasion of the valve plate caused by contact of the impurities and the valve plate is reduced, and the sealing performance of the valve plate is ensured.

Description

Anticollision gate valve with buffer assembly

Technical Field

The utility model belongs to the technical field of gate valves, and particularly relates to an anti-collision gate valve with a buffer assembly.

Background

The anti-collision gate valve is a supporting device for carrying out water flow opening and closing operation, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, the sealing surface can be sealed only by means of medium pressure, the sealing performance is excellent, along with the continuous development of technology, the requirements of people on the manufacturing process of the anti-collision gate valve are higher and higher, a buffer assembly is usually installed for preventing the impact of water flow on the gate plate when the gate valve is assembled to protect the gate valve, but in the long-time use of the existing gate valve, impurities in water can be accumulated at the bottom of the valve body to form accumulation, accumulated impurities are clamped between the valve plate and the sealing ring, and abrasion is generated on the valve plate and the sealing ring when the valve plate is opened, so that the sealing performance of the valve plate is affected.

Disclosure of Invention

The utility model aims to provide an anti-collision gate valve with a buffer component, which solves the problems that impurities in water can be accumulated at the bottom of a valve body to form accumulation in long-term use of the existing gate valve, accumulated impurities are clamped between a valve plate and a sealing ring, and the valve plate and the sealing ring are worn during opening of the valve plate, so that the sealing performance of the valve plate is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-collision gate valve with a buffer component comprises a valve body and a flange plate arranged at the top of the valve body;

a valve cover is arranged above the flange plate, a valve rod is arranged in the middle of the valve cover, a rotary table is fixed at the top end of the valve rod, a fixed sleeve is fixed at the bottom of the valve rod, a valve plate is fixed below the fixed sleeve, valve pipes are vertically arranged on the left side and the right side of the valve body respectively, and a connecting flange is arranged at the top end of each valve pipe;

the valve pipe is internally provided with a first-stage filter ring, a transverse filter screen is arranged on the first-stage filter ring, a second-stage filter ring is arranged behind the first-stage filter ring, a spring is arranged between the first-stage filter ring and the second-stage filter ring, a vertical filter screen is arranged on the second-stage filter ring, a third-stage filter ring is arranged behind the second-stage filter ring, a spring is also arranged between the second-stage filter ring and the third-stage filter ring, and an inclined filter screen is arranged on the third-stage filter ring;

the device comprises a valve pipe, a first-stage filtering ring, a second-stage filtering ring, a horizontal filter screen, a vertical filter screen, a first-stage filtering ring, a second-stage filtering ring, a third-stage filtering ring, a spring, a first-stage filtering ring, a spring, a second-stage filtering ring and an inclined filter screen, wherein the first-stage filtering ring moves backwards along the inner wall of the valve pipe after being impacted by water flow, the spring is compressed between the first-stage filtering ring and the second-stage filtering ring, the distance between the horizontal filter screen and the vertical filter screen is reduced, the first-stage filtering ring pushes the second-stage filtering ring to move backwards, the spring is compressed between the second-stage filtering ring and the third-stage filtering ring, and the distance between the vertical filter screen and the inclined filter screen is reduced.

Preferably, three sliding grooves are formed in the inner wall of the valve pipe, the positions of the sliding grooves on the inner wall of the valve pipe are distributed evenly, clamping blocks are arranged at the top ends of the sliding grooves and are integrally connected with the inner wall of the valve pipe, and clamping grooves are formed in the front of the clamping blocks.

Preferably, the valve pipe inner wall is provided with a tertiary filter ring, the tertiary filter ring is nested with the valve pipe, be provided with three fixed blocks on the tertiary filter ring, three the fixed block position sets up tertiary filter ring outside on average, the fixed block is connected with tertiary filter ring integration, be fixed with three spring on the positive outside of tertiary filter ring, three the position distribution of spring on tertiary filter ring is even, the other end and the secondary filter ring rear fixed connection of spring.

Preferably, three springs are fixed on the outer side of the front surface of the secondary filter ring, the positions of the three springs on the secondary filter ring are distributed evenly, and the other ends of the springs are fixedly connected with the rear of the primary filter ring.

Preferably, the outside of the rear of the primary filtering ring, the secondary filtering ring and the tertiary filtering ring is provided with an annular brush ring, and the annular brush ring is contacted with the inner wall of the valve pipe.

Preferably, the primary filtering ring is integrally connected with the transverse filtering net, the secondary filtering ring is integrally connected with the vertical filtering net, the tertiary filtering ring is integrally connected with the inclined filtering net, and the transverse filtering net, the vertical filtering net and the inclined filtering net are made of stainless steel materials.

Compared with the prior art, the utility model provides the anti-collision gate valve with the buffer component, which has the following beneficial effects:

through the setting of one-level filter ring, second grade filter ring and tertiary filter ring, when the intraductal rivers impact force of valve is great, the one-level filter ring receives the pressure backward movement of rivers, the distance between one-level filter ring and the second grade filter ring reduces, the spring between one-level filter ring and the second grade filter ring is compressed, afterwards the one-level filter ring can promote the second grade filter ring backward movement, the distance between second grade filter ring and the tertiary filter ring reduces, the spring between second grade filter ring and the tertiary filter ring is compressed, horizontal filter screen is close to overlapping this moment, vertical filter screen and slant filter screen and leads to mesh density to increase, the debris blocking ability to rivers strengthens, prevent debris in the rivers from piling up in valve plate department, reduce impurity and valve plate contact and cause wearing and tearing to the valve plate, guarantee the leakproofness of valve plate.

Through the setting of spout and annular brush circle, tertiary filter ring can slide on the spout on valve pipe inner wall through the fixed block, push away tertiary filter ring to the top along the spout, afterwards rotate tertiary filter ring and make fixed block and spout dislocation, afterwards pull tertiary filter ring forward, reverse rotation tertiary filter ring again can make the fixed block card on the filter ring be fixed in the valve pipe inside with tertiary filter ring in the draw-in groove, prevent that the rivers from striking and lead to tertiary buffer board to produce the displacement, when one-level filter ring and secondary filter ring remove in the valve pipe inner wall, the annular brush circle on the filter ring can clean valve pipe inner wall, prevent that the impurity that adheres to on the valve pipe inner wall from producing and accumulating and make the flow in the valve pipe reduce or produce the jam.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

FIG. 3 is a schematic view of the inner wall structure of the valve tube according to the present utility model.

Fig. 4 is a schematic diagram of a filter ring structure according to the present utility model.

In the figure: 1. a turntable; 2. a valve stem; 3. a valve cover; 4. a valve body; 5. a flange plate; 6. a fixed sleeve; 7. a valve plate; 8. a connecting flange; 9. a primary filter ring; 10. a spring; 11. a secondary filter ring; 12. a three-stage filter ring; 13. an annular brush ring; 14. a valve tube; 15. a chute; 16. a clamping block; 17. a clamping groove; 18. a transverse filter screen; 19. a vertical filter screen; 20. an inclined filter screen; 21. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an anti-collision gate valve with a buffer assembly, which is shown in figures 1-4, and comprises a valve body 4 and a flange plate 5 arranged on the top of the valve body 4;

a valve cover 3 is arranged above the flange plate 5, a valve rod 2 is arranged in the middle of the valve cover 3, a rotary table 1 is fixed at the top end of the valve rod 2, a fixed sleeve 6 is fixed at the bottom of the valve rod 2, a valve plate 7 is fixed below the fixed sleeve 6, valve pipes 14 are vertically arranged at the left side and the right side of the valve body 4 respectively, and a connecting flange 8 is arranged at the top end of the valve pipe 14;

the valve tube 14 is internally provided with a first-stage filter ring 9, a transverse filter screen 18 is arranged on the first-stage filter ring 9, a second-stage filter ring 11 is arranged behind the first-stage filter ring 9, a spring 10 is arranged between the first-stage filter ring 9 and the second-stage filter ring 11, a vertical filter screen 19 is arranged on the second-stage filter ring 11, a third-stage filter ring 12 is arranged behind the second-stage filter ring 11, a spring 10 is also arranged between the second-stage filter ring 11 and the third-stage filter ring 12, and an inclined filter screen 20 is arranged on the third-stage filter ring 12;

wherein, the primary filter ring 9 can follow the valve pipe 14 inner wall backward movement after receiving rivers impact, and spring 10 compresses between primary filter ring 9 and the secondary filter ring 11, and the distance between horizontal filter screen 18 and the vertical filter screen 19 reduces, and the primary filter ring 9 promotes the secondary filter ring 11 and moves mutually backward, and spring 10 compresses between secondary filter ring 11 and the tertiary filter ring 12, and the distance between vertical filter screen 19 and the slant filter screen 20 reduces.

In this embodiment, when the gate valve is used, the connecting flange 8 at the top end of the valve tube 14 is fixedly connected with the water pipe, the valve rod 2 and the valve plate 7 fixed below the valve rod 2 can be driven to rotate by rotating the turntable 1, when the valve plate 7 is parallel to the water flow direction, water can flow through the gate valve, and when the valve plate 7 is perpendicular to the water flow direction, water flowing through the gate valve can be blocked.

As shown in fig. 1 and 3, three sliding grooves 15 are arranged on the inner wall of the valve pipe 14, the positions of the sliding grooves 15 on the inner wall of the valve pipe 14 are distributed evenly, clamping blocks 16 are arranged at the top ends of the sliding grooves 15, the clamping blocks 16 are integrally connected with the inner wall of the valve pipe 14, and clamping grooves 17 are formed in front of the clamping blocks 16.

As shown in fig. 2 and 4, a tertiary filter ring 12 is arranged in the inner wall of the valve pipe 14, the tertiary filter ring 12 is nested with the valve pipe 14, three fixing blocks 21 are arranged on the tertiary filter ring 12, the positions of the three fixing blocks 21 are evenly arranged on the outer side of the tertiary filter ring 12, the fixing blocks 21 are integrally connected with the tertiary filter ring 12, three springs 10 are fixed on the outer side of the front of the tertiary filter ring 12, the positions of the three springs 10 on the tertiary filter ring 12 are evenly distributed, the other ends of the springs 10 are fixedly connected with the rear of the secondary filter ring 11, the positions of the three springs 10 on the front outer side of the secondary filter ring 11 are evenly distributed, the other ends of the springs 10 are fixedly connected with the rear of the primary filter ring 9, the secondary filter ring 11 and the rear outer side of the tertiary filter ring 12 are provided with annular brush rings 13, the annular brush rings 13 are in contact with the inner wall of the valve pipe 14, the primary filter ring 9 is integrally connected with a transverse filter screen 18, the secondary filter ring 11 is integrally connected with a vertical filter screen 19, the tertiary filter ring 12 is integrally connected with an oblique filter screen 20, and the transverse filter screen 18, the vertical filter screen 20 and the vertical filter screen 20 are made of stainless steel filter screens.

Preferably, when the impact force of the water flow in the valve pipe 14 is large, the primary filter ring 9 moves backwards under the pressure of the water flow, the distance between the primary filter ring 9 and the secondary filter ring 11 is reduced, then the primary filter ring 9 pushes the secondary filter ring 11 to move backwards, the distance between the secondary filter ring 11 and the tertiary filter ring 12 is reduced, at the moment, the transverse filter screen 18, the vertical filter screen 19 and the oblique filter screen 20 are close to be overlapped to increase the mesh density, the blocking capability of sundries in the water flow is enhanced, sundries in the water flow are prevented from accumulating at the valve plate 7, abrasion of the valve plate 7 caused by contact of the impurities and the valve plate 7 is reduced, and the tightness of the valve plate 7 is ensured.

Preferably, the tertiary filter ring 12 can slide on the chute 15 on the inner wall of the valve tube 14 through the fixing block 21, the tertiary filter ring 12 is pushed to the top along the chute 15, then the tertiary filter ring 12 is rotated to enable the fixing block 21 to be misplaced with the chute 15, then the tertiary filter ring 12 is pulled forward, the tertiary filter ring 12 is reversely rotated again to enable the fixing block 21 on the filter ring to be clamped in the clamping groove 17, the tertiary filter ring 12 is fixed inside the valve tube 14, the tertiary buffer plate 12 is prevented from being displaced due to water flow impact, when the primary filter ring 9 and the secondary filter ring 11 move in the inner wall of the valve tube 14, the inner wall of the valve tube 14 is cleaned by the annular brush ring 13 on the filter ring, and the flow in the valve tube 14 is prevented from being reduced or blocked due to impurity accumulation on the inner wall of the valve tube 14.

Alternatively, the ring brush ring 13 may be replaced if damaged during use.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (9)

1. An anti-collision gate valve with a buffer component comprises a valve body (4) and a flange plate (5) arranged at the top of the valve body (4);

a valve cover (3) is arranged above the flange plate (5), a valve rod (2) is arranged in the middle of the valve cover (3), a rotary table (1) is fixed at the top end of the valve rod (2), a fixed sleeve (6) is fixed at the bottom of the valve rod (2), a valve plate (7) is fixed below the fixed sleeve (6), valve pipes (14) are respectively and vertically arranged at the left side and the right side of the valve body (4), and a connecting flange (8) is arranged at the top end of the valve pipes (14);

the method is characterized in that: the valve pipe (14) is internally provided with a first-stage filter ring (9), a transverse filter screen (18) is arranged on the first-stage filter ring (9), a second-stage filter ring (11) is arranged behind the first-stage filter ring (9), a spring (10) is arranged between the first-stage filter ring (9) and the second-stage filter ring (11), a vertical filter screen (19) is arranged on the second-stage filter ring (11), a third-stage filter ring (12) is arranged behind the second-stage filter ring (11), a spring (10) is also arranged between the second-stage filter ring (11) and the third-stage filter ring (12), and an inclined filter screen (20) is arranged on the third-stage filter ring (12);

the water flow impact type water valve comprises a valve pipe (14) and is characterized in that a primary filter ring (9) moves backwards along the inner wall of the valve pipe (14) after being impacted by water flow, a spring (10) between the primary filter ring (9) and a secondary filter ring (11) is compressed, the distance between a transverse filter screen (18) and a vertical filter screen (19) is reduced, the primary filter ring (9) pushes the secondary filter ring (11) to move backwards, the spring (10) between the secondary filter ring (11) and a tertiary filter ring (12) is compressed, and the distance between the vertical filter screen (19) and an inclined filter screen (20) is reduced.

2. The buffer assembly of claim 1, wherein: three sliding grooves (15) are formed in the inner wall of the valve pipe (14), and the positions of the sliding grooves (15) on the inner wall of the valve pipe (14) are distributed evenly.

3. The buffer assembly of claim 2, wherein the buffer assembly comprises: the top of spout (15) is provided with fixture block (16), fixture block (16) are connected with valve pipe (14) inner wall integration, fixture block (16) the place ahead is equipped with draw-in groove (17).

4. A buffer assembly for a gate valve according to claim 3, wherein: a tertiary filter ring (12) is arranged in the inner wall of the valve tube (14), and the tertiary filter ring (12) is nested with the valve tube (14).

5. The buffer assembly of claim 4, wherein: three fixed blocks (21) are arranged on the three-stage filtering ring (12), the three fixed blocks (21) are evenly arranged on the outer side of the three-stage filtering ring (12), and the fixed blocks (21) are integrally connected with the three-stage filtering ring (12).

6. The buffer assembly of claim 5, wherein: three springs (10) are fixed on the outer side of the front surface of the three-stage filtering ring (12), the positions of the three springs (10) on the three-stage filtering ring (12) are distributed evenly, and the other end of the spring (10) is fixedly connected with the rear of the two-stage filtering ring (11).

7. The buffer assembly of claim 6, wherein: three springs (10) are fixed on the outer side of the front surface of the secondary filter ring (11), the positions of the three springs (10) on the secondary filter ring (11) are distributed evenly, and the other end of the spring (10) is fixedly connected with the rear of the primary filter ring (9).

8. The buffer assembly of claim 7, wherein: the outside in the rear of one-level filtering ring (9), second grade filtering ring (11) and tertiary filtering ring (12) is provided with annular brush circle (13), annular brush circle (13) and valve pipe (14) inner wall contact.

9. The buffer assembly of claim 1, wherein: the novel filter is characterized in that the primary filter ring (9) is integrally connected with the transverse filter screen (18), the secondary filter ring (11) is integrally connected with the vertical filter screen (19), the tertiary filter ring (12) is integrally connected with the inclined filter screen (20), and the transverse filter screen (18), the vertical filter screen (19) and the inclined filter screen (20) are made of stainless steel.