CN219639550U

CN219639550U - Power station check valve with valve clack protection

Info

Publication number: CN219639550U
Application number: CN202320558093.4U
Authority: CN
Inventors: 黄钢; 张立明; 王泽�; 孟宪羿; 张文凯; 窦鹏帅
Original assignee: Tianjin International Machinery Group Co ltd
Current assignee: Tianjin International Machinery Group Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-05
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a power station check valve with valve clack protection, which comprises a valve body, wherein ten buffer rods which are uniformly distributed are fixedly connected to the right side of a fluid channel on the left side, a buffer cushion is fixedly connected to the right side of the fluid channel on the left side, a connecting rod penetrates through and is rotationally connected to a rotating shaft, fixing rings are fixedly connected to the central positions of the front end and the rear end of the connecting rod, a valve clack is arranged on the left side of the fixing rings, a second bolt is fixedly connected to the central position of the right side of the valve clack, and a plurality of third bolts are fixedly connected to the right side of the valve clack close to the outer diameter. According to the utility model, the buffer rod and the buffer pad are arranged, so that the buffer protection effect can be realized when the valve clack rotates downwards, the sealing performance between the fluid channel and the valve clack can be enhanced by arranging the first sealing pad and the second sealing pad, and the tightness between the valve clack and the connecting ring and the fixing ring can be ensured by arranging the two groups of nuts and bolts.

Description

Power station check valve with valve clack protection

Technical Field

The utility model relates to the technical field of check valves, in particular to a power station check valve with valve clack protection.

Background

The utility model discloses a power station check valve divides according to the structure, can divide into lift check valve, swing check valve and butterfly check valve three kinds, and wherein, the rotation of swing check valve through opening and close the piece realizes opening and closing of valve body, and when the medium got into inside the valve body, the valve clack of check valve was opened under fluid pressure effect to the medium can dash open the valve clack, and fluid flows to the exit side from the inlet side.

When the current power station check valve reduces in the pipeline, the valve clack is closed under the effect of factors such as fluid pressure differential, own gravity in order to prevent fluid from flowing backwards, and the in-process that the valve clack was closed takes place the striking between valve clack and the pipeline, and the valve clack is impaired easily to reduce the life of valve clack, and the vibrations that produce in the in-process of striking between valve clack and pipeline can make the bolt on the valve clack produce not hard up, thereby influence normal use.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a power station check valve with valve clack protection.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a power station check valve with valve clack protection, includes the valve body, the valve body top is provided with the lid, the valve body left and right sides all runs through and fixedly connected with fluid channel, the left side fluid channel right side fixedly connected with evenly distributed's ten buffer rods, the left side fluid channel right side fixedly connected with blotter, both ends bottom intermediate position runs through and sliding connection has the axis of rotation around the fixed block in the middle of the valve body inner wall left side top, run through in the axis of rotation and be connected with the connecting rod, both ends central point puts all fixedly connected with solid fixed ring around the connecting rod, gu fixed ring left side is provided with the valve clack, valve clack right side central point puts fixedly connected with second bolt, the valve clack right side is close to external diameter position fixedly connected with a plurality of third bolts.

As a further description of the above technical solution:

the top of the outer diameter of the valve body is fixedly connected with a connecting block, and the connecting block is fixed with the cover body through a first bolt.

As a further description of the above technical solution:

and the other sides of the two fluid channels are fixedly connected with flange joints.

As a further description of the above technical solution:

the buffer cushion is connected with the buffer rod in a penetrating and sliding mode, and a first sealing pad is fixedly connected to the right side of the buffer cushion.

As a further description of the above technical solution:

and the front end and the rear end of the outer diameter of the rotating shaft are both in threaded connection with third nuts.

As a further description of the above technical solution:

the fixing ring is penetrated through and connected with the third bolts in a sliding manner, and a plurality of third bolts are connected with second nuts in a threaded manner.

As a further description of the above technical solution:

the connecting rod bottom fixedly connected with go-between, run through and sliding connection between go-between and the second bolt, threaded connection has first nut on the second bolt.

As a further description of the above technical solution:

and the left side of the valve clack is fixedly connected with a second sealing gasket.

The utility model has the following beneficial effects:

according to the utility model, the buffer rod and the buffer pad are arranged at first, when the valve clack rotates downwards, the buffer protection effect can be achieved, the phenomenon that the valve clack collides with the fluid channel to cause leakage of abrasion fluid is avoided, the tightness between the fluid channel and the valve clack can be enhanced through the arrangement of the first sealing pad and the second sealing pad, the valve clack can be fixed with the connecting ring and the fixing ring through the arrangement of the second bolt, the third bolt, the first nut and the second nut, and therefore the purpose that the valve clack is convenient to mount and dismount is achieved, and the tightness between the valve clack and the connecting ring and the fixing ring can be ensured through the arrangement of the two groups of nuts and the bolts.

Drawings

FIG. 1 is a perspective view of a station check valve with valve flap protection according to the present utility model;

FIG. 2 is a block diagram of a station check valve with valve clack protection according to the present utility model;

FIG. 3 is a exploded view of a cushion pad of a power station check valve with flap protection in accordance with the present utility model;

FIG. 4 is a valve clack structure diagram of a power station check valve with valve clack protection according to the present utility model;

FIG. 5 is a flap split view of a station check valve with flap protection according to the present utility model;

fig. 6 is a diagram showing the structure of a connecting rod of a check valve with valve clack protection for a power station according to the present utility model.

Legend description:

1. a valve body; 2. a flange joint; 3. a cover body; 4. a fluid channel; 5. a first bolt; 6. a connecting block; 7. a fixed block; 8. a buffer rod; 9. a first gasket; 10. a second gasket; 11. a first nut; 12. a valve flap; 13. a cushion pad; 14. a second bolt; 15. a rotating shaft; 16. a connecting rod; 17. a second nut; 18. a third bolt; 19. a connecting ring; 20. a fixing ring; 21. and a third nut.

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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a power station check valve with valve clack protection, including valve body 1, valve body 1 top is provided with lid 3, valve body 1 left and right sides all runs through and fixedly connected with fluid channel 4, in the use, fluid is gone into from valve body 1 left side fluid channel 4, right side fluid channel 4 goes out, ten buffer rods 8 of evenly distributed are fixedly connected with on left side fluid channel 4 right side, left side fluid channel 4 right side fixedly connected with blotter 13, valve body 1 inner wall left side top intermediate position fixedly connected with fixed block 7, both ends bottom intermediate position runs through and sliding connection has axis of rotation 15 around the fixed block 7, run through and rotate and be connected with connecting rod 16 on the axis of rotation 15, rotate between connecting rod 16 and the axis of rotation 15 and be connected, when fluid flow is great, under fluidic promotion, connecting rod 16 drives valve clack 12 and upwards rotate, when fluid flow is less, valve clack 12 is under self gravity effect, both ends central point put and is all fixedly connected with solid fixed ring 20 around the fixed ring 20, gu the left side is provided with 12, 12 right side fluid channel 4 right side central position fixedly connected with second bolt 14, 12 right side 12 is close to the second bolt 12, 12 and a plurality of valve clack 12 are connected with the third bolt ring 12, the second nut can be guaranteed to the fixed ring 12, the outer diameter is realized through the fixed ring 12, the fixed nut is connected with the valve clack is realized with the valve clack 12, the second nut is fixed with the valve clack 12 through the third bolt 19, the nut is fixed with the fixed ring is connected with the valve clack, the valve clack is fixed with the third nut through the nut, the nut is fixed with the valve clack is fixed through the nut, the nut is fixed through the nut and the nut is fixed with the nut and the nut is fixed nut through the nut and the nut is fixed nut and the a nut.

The top fixedly connected with connecting block 6 at the external diameter of valve body 1, it is fixed through first bolt 5 between connecting block 6 and the lid 3, equal fixedly connected with flange joint 2 of two fluid channel 4 opposite sides, all run through and sliding connection between blotter 13 and the buffer rod 8, set up buffer rod 8 and blotter 13 on left side fluid channel 4, when valve clack 12 rotates downwards, the effect of buffering protection is played to blotter 13 and buffer rod 8, thereby avoid taking place the striking between valve clack 12 and fluid channel 4, valve clack 12 causes wearing and tearing easily, thereby cause fluidic revealing, first sealing pad 9 of blotter 13 right side fixedly connected with, equal threaded connection has third nut 21 around the external diameter of axis of rotation 15, run through and sliding connection between solid fixed ring 20 and the third bolt 18, equal threaded connection has second nut 17 on a plurality of third bolts 18, connecting rod 16 bottom fixedly connected with go-between 19 and second bolt 14, threaded connection has first nut 11 on the second bolt 14, 12 left side fixedly connected with second sealing pad 10, through setting up first sealing pad 9 and second sealing pad 10, can strengthen sealing performance between valve clack 4 and the valve clack 12.

Working principle: in the use, fluid is gone into from the fluid channel 4 of valve body 1 left side, the fluid channel 4 of right side goes out, rotate between connecting rod 16 and the axis of rotation 15 and be connected, when fluid flow is great, under the promotion of fluid, connecting rod 16 drives valve clack 12 and upwards rotate, when fluid flow is less, valve clack 12 is under the effect of self gravity, set up buffer rod 8 and blotter 13 on left side fluid channel 4, when valve clack 12 is rotated down, buffer pad 13 plays the effect of buffering protection with buffer rod 8, thereby avoid taking place to strike between valve clack 12 and the fluid channel 4, valve clack 12 causes wearing and tearing easily, thereby cause the leakage of fluid, through setting up first sealing gasket 9 and second sealing gasket 10, can strengthen the leakproofness between fluid channel 4 and the valve clack 12, set up third bolt 18 and second bolt 14 on valve clack 12, through second nut 17 and first nut 11, can be fixed with connecting ring 19, thereby realize the purpose that valve clack 12 is convenient for install and dismantle, through setting up of two sets of nuts and bolts, can guarantee the tightness between valve clack 12 and the connecting ring 20.

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

1. Power station check valve with valve clack protection, including valve body (1), its characterized in that: the top of the valve body (1) is provided with a cover body (3), the left side and the right side of the valve body (1) are all penetrated and fixedly connected with a fluid channel (4), the left side is fixedly connected with ten buffer rods (8) which are uniformly distributed on the right side of the fluid channel (4), the right side of the fluid channel (4) is fixedly connected with a buffer pad (13), the middle position of the top of the left side of the inner wall of the valve body (1) is fixedly connected with a fixed block (7), the middle positions of the bottoms of the front end and the rear end of the fixed block (7) penetrate through and are slidably connected with a rotating shaft (15), a connecting rod (16) penetrates through and is rotationally connected with the rotating shaft (15), a fixing ring (20) is fixedly connected to the center positions of the front end and the rear end of the connecting rod (16), a valve clack (12) is arranged on the left side of the fixing ring (20), a second bolt (14) is fixedly connected to the center position of the right side of the valve clack (12), and a plurality of third bolts (18) are fixedly connected to the right side of the valve clack (12) close to the outer diameter position.

2. A station check valve with clack protection as claimed in claim 1, wherein: the connecting block (6) is fixedly connected to the top of the outer diameter of the valve body (1), and the connecting block (6) is fixed with the cover body (3) through the first bolt (5).

3. A station check valve with clack protection as claimed in claim 1, wherein: the other sides of the two fluid channels (4) are fixedly connected with flange joints (2).

4. A station check valve with clack protection as claimed in claim 1, wherein: the buffer cushion (13) and the buffer rod (8) are connected in a penetrating and sliding manner, and a first sealing pad (9) is fixedly connected to the right side of the buffer cushion (13).

5. A station check valve with clack protection as claimed in claim 1, wherein: and the front end and the rear end of the outer diameter of the rotating shaft (15) are both in threaded connection with third nuts (21).

6. A station check valve with clack protection as claimed in claim 1, wherein: the fixing ring (20) is penetrated through and connected with the third bolts (18) in a sliding manner, and a plurality of third bolts (18) are connected with second nuts (17) in a threaded manner.

7. A station check valve with clack protection as claimed in claim 1, wherein: the connecting rod (16) bottom fixedly connected with go-between (19), run through and sliding connection between go-between (19) and second bolt (14), threaded connection has first nut (11) on second bolt (14).

8. A station check valve with clack protection as claimed in claim 1, wherein: the left side of the valve clack (12) is fixedly connected with a second sealing gasket (10).