CN219692348U

CN219692348U - Butt clamp butterfly check valve

Info

Publication number: CN219692348U
Application number: CN202321154755.8U
Authority: CN
Inventors: 陈金城; 陈军龙
Original assignee: Dexon Tianjin Automatic Control Valve Co ltd
Current assignee: Dexon Tianjin Automatic Control Valve Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-09-15
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses a butt-clamping butterfly check valve which comprises a valve body, wherein flange plates are fixedly connected to the left side and the right side of the valve body in a penetrating mode, a filter plate is fixedly connected to the front end of a filter box in a penetrating mode, a first fixing rod is fixedly connected to the middle of the front end and the rear end of the outer diameter of the valve body in a penetrating mode close to the right side in a sliding mode, a second fixing rod is fixedly connected to the middle of the front end and the rear end of the outer diameter of the valve body in a penetrating mode in a sliding mode, two valve plates are fixedly connected to the left side of the four fixing blocks in a penetrating mode, and two springs are arranged in the middle of the second fixing rod in a penetrating mode. According to the utility model, impurities in the liquid are filtered through the filter plate, so that the two valve plates are prevented from being blocked by the impurities, the opening and closing of the valve plates are influenced, the first fixing rod and the second fixing rod can slide out of the valve body by screwing out the first nut and the second nut, the spring and the valve plates are disassembled, and the valve is simple in structure and convenient to disassemble.

Description

Butt clamp butterfly check valve

Technical Field

The utility model relates to the technical field of check valves, in particular to a butt-clamping butterfly check valve.

Background

The check valve is also called one-way valve or check valve, which can prevent the medium in the pipeline from flowing backwards, the opening and closing member is automatically opened or closed by the flow and force of the medium, so as to prevent the medium from flowing backwards.

The existing butt-clamp butterfly check valve is not provided with a filtering device, impurities in liquid are easy to accumulate between two valve plates when passing through the valve plates, so that the valve plates cannot be normally closed, normal use of the check valve is affected, and the existing butt-clamp butterfly check valve is inconvenient to detach and long in maintenance and replacement time.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a butt clamp butterfly check valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a butt clamp formula butterfly check valve, includes the valve body, valve body left and right sides position all runs through and fixedly connected with ring flange, valve body external diameter left side is close to intermediate position and runs through and fixedly connected with rose box, rose box front end position runs through and sliding connection has the filter, be close to right side position in the middle of the valve body external diameter front and back both ends and run through and sliding connection has first dead lever, both ends position all runs through and threaded connection has first nut around the first dead lever external diameter, both ends intermediate position runs through and sliding connection has the second dead lever around the valve body external diameter, both ends all run through and threaded connection have the second nut around the second dead lever external diameter, both ends all run through and rotate around the second dead lever external diameter are close to intermediate position and are connected with four fixed blocks, four equal fixedly connected with two valve plates in fixed block left side position, second dead lever intermediate position runs through and is provided with two springs.

As a further description of the above technical solution:

the left side and the right side of the flange plate are penetrated and provided with fixing holes.

As a further description of the above technical solution:

the left side and the right side of the valve body are penetrated and provided with water holes.

As a further description of the above technical solution:

the front end and the rear end of the right side of the filter plate are penetrated and provided with uniformly densely distributed filter holes.

As a further description of the above technical solution:

the top and bottom positions of the inner wall of the filter box are penetrated and provided with sliding grooves, and the filter plates can slide in the sliding grooves.

As a further description of the above technical solution:

the front end and the rear end of each fixing block penetrate through holes, and the second fixing rods can rotate in the holes.

As a further description of the above technical solution:

and a pull rod is fixedly connected to the front end of the filter plate.

As a further description of the above technical solution:

the spring is fixedly connected with the valve plate.

The utility model has the following beneficial effects:

according to the utility model, impurities in the liquid are filtered through the filter plate, the two valve plates are prevented from being blocked by the impurities, the opening and closing of the valve plates are prevented from being influenced, the filter plate can slide in the filter box by screwing out the fixing bolts on the filter box, the rear-end filter tank is aligned to the water passing hole, the filter tank at the front end can be cleaned without disassembling the valve body, the first fixing rod and the second fixing rod can slide out of the valve body by screwing out the first nut and the second nut, the spring and the valve plates are disassembled, and the filter plate is simple in structure and convenient to disassemble.

Drawings

FIG. 1 is a perspective view of a butterfly check valve of the present utility model;

FIG. 2 is a diagram showing the internal structure of a filter box of a double-clip butterfly check valve according to the present utility model;

FIG. 3 is a view showing the internal structure of a valve body of a double-clip butterfly check valve according to the present utility model;

fig. 4 is a block diagram of a valve plate of a butterfly check valve of the present utility model.

Legend description:

1. a valve body; 2. a flange plate; 3. a fixing hole; 4. a first fixing rod; 5. a second fixing rod; 6. a filter box; 7. a filter plate; 8. a pull rod; 9. a chute; 10. a filter hole; 11. a valve plate; 12. a spring; 13. a water passing hole; 14. a fixed block; 15. a first nut; 16. a hole; 17. and a second 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. 1-4, one embodiment provided by the present utility model is: the utility model provides a double-layered butterfly check valve, including valve body 1, valve body 1 left and right sides position is all run through and fixedly connected with ring flange 2, it is together fixed with the pipeline with valve body 1 through ring flange 2 and fixed orifices 3, valve body 1 external diameter left side is close to intermediate position and runs through and fixedly connected with rose box 6, rose box 6 front end position runs through and sliding connection has filter 7, when liquid gets into valve body 1 through the pipeline, impurity in the liquid filters through filter 7, prevent impurity from blocking up two valve plates 11, influence opening and closing of valve plate 11, be close to right side position in the middle of valve body 1 external diameter front and back both ends and run through and sliding connection has first dead lever 4, both ends position all runs through and threaded connection has first nut 15 around the external diameter of first dead lever 4, both ends intermediate position all runs through and sliding connection has second dead lever 5 around the external diameter of valve body 1, both ends position all runs through and threaded connection has second nut 17 around the external diameter of second dead lever 5, both ends are close to intermediate position all run through and sliding connection has four fixed blocks 14, both ends are all fixed connection with two valve plates 11 in the left side position and sliding connection has first dead lever 11 through and second dead lever 11, two valve plate 11 and two valve plate 11 are screwed out through two valve plates 15, two valve plate 1 and two fixed nut 11 are fixed by two valve plate 11, two valve plate is fixed by two is screwed out through and two valve plate 1.

The left and right sides position of two ring flanges 2 all runs through and is provided with fixed orifices 3, valve body 1 left and right sides position all runs through and is provided with water hole 13, liquid flows in water hole 13, both ends position all runs through and is provided with evenly densely distributed filtration pore 10 around the filter 7 right side, filter tank 6 inner wall top and bottom position all run through and be provided with spout 9 and filter 7 can slide in spout 9, filter the impurity in the liquid through filtration pore 10, both ends position all run through around four fixed blocks 14 and be provided with hole 16 and second dead lever 5 can be in hole 16 internal rotation, filter 7 front end position fixedly connected with pull rod 8, pulling pull rod 8 can make filter 7 slide in filter tank 6, aim at water hole 13 with the rear end filter tank, thereby clear up the filter tank of front end, fixed connection between spring 12 and the valve plate 11.

Working principle: when the utility model is used, the valve body 1 and the pipeline are fixed together through the flange plate 2 and the fixing hole 3, when liquid enters the valve body 1 through the pipeline, impurities in the liquid are filtered through the filter plate 7, the two valve plates 11 are prevented from being blocked by the impurities, the opening and closing of the valve plates 11 are influenced, the filter plate 7 can slide in the filter box 6 by screwing out the fixing bolts on the filter box 6, the filter tank at the rear end is aligned with the water passing hole 13, the filter tank at the front end is cleaned, the first fixing rod 4 and the second fixing rod 5 can slide out of the valve body 1 by screwing out the first nut 15 and the second nut 17, and the spring 12 and the valve plate 11 are detached.

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. The utility model provides a butt clamp formula butterfly check valve, includes valve body (1), its characterized in that: the utility model discloses a valve body, including valve body (1), filter plate (7), first dead lever (4) both ends position all run through and threaded connection have first nut (15), both ends intermediate position runs through and threaded connection have second dead lever (5) around valve body (1) external diameter, both ends position all run through and threaded connection have second nut (17) around second dead lever (5) external diameter, both ends all run through and threaded connection have four fixed blocks (14) near intermediate position around second dead lever (5) external diameter, four both ends all fixedly connected with two valve plates (11) in the left side position of fixed block (14), second dead lever (5) intermediate position runs through and threaded connection have two springs (12).

2. A butterfly check valve of claim 1, wherein: the left side and the right side of the two flange plates (2) are penetrated and provided with fixing holes (3).

3. A butterfly check valve of claim 1, wherein: the left side and the right side of the valve body (1) are penetrated and provided with water passing holes (13).

4. A butterfly check valve of claim 1, wherein: the front end and the rear end of the right side of the filter plate (7) are penetrated and provided with uniformly densely distributed filter holes (10).

5. A butterfly check valve of claim 1, wherein: the top and bottom positions of the inner wall of the filter box (6) are penetrated and provided with sliding grooves (9), and the filter plates (7) can slide in the sliding grooves (9).

6. A butterfly check valve of claim 1, wherein: the front end and the rear end of each of the four fixing blocks (14) are penetrated and provided with holes (16), and the second fixing rod (5) can rotate in the holes (16).

7. A butterfly check valve of claim 1, wherein: the front end of the filter plate (7) is fixedly connected with a pull rod (8).

8. A butterfly check valve of claim 1, wherein: the spring (12) is fixedly connected with the valve plate (11).