CN219841067U

CN219841067U - Anti-leakage gate valve

Info

Publication number: CN219841067U
Application number: CN202321312150.7U
Authority: CN
Inventors: 周兆军
Original assignee: Jiangsu Huazhiyi Machinery Co ltd
Current assignee: Jiangsu Huazhiyi Machinery Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-10-17
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses an anti-leakage gate valve, in particular to the technical field of anti-leakage gate valves, which comprises a valve body, wherein a valve groove is formed in the middle of the valve body, a sealing ring which is symmetrically distributed is fixedly arranged in the middle of the inner wall of the valve groove, an annular groove is formed in the middle of the top end of the valve body, a clamping table is fixedly arranged in the annular groove, a valve core is arranged in the middle of the sealing ring, a sealing ring is fixedly arranged on the outer surface of the valve core, a valve rod is arranged at the top end of the valve rod, a clamping ring is fixedly arranged at the bottom of the valve rod, a connecting block is fixedly arranged at the top end of the clamping table, and a plurality of first connecting holes which are symmetrically distributed are formed in the outer surface of the connecting block.

Description

Anti-leakage gate valve

Technical Field

The utility model relates to the technical field of anti-leakage gate valves, in particular to an anti-leakage gate valve.

Background

The gate valve is a valve plate of an opening and closing piece, the moving direction of the valve plate is perpendicular to the fluid direction, and the gate valve can only be used for full opening or full closing and cannot be adjusted and throttled.

The existing gate valve has the defects that the sealing structure is simple, the sealing performance is not good enough, the gate valve is deformed due to frequent pressure impact in the use process, the connection position and the core body position are not sealed enough, and the gate valve is often leaked;

secondly, through opening and closing the gate valve for a long time, the abrasion to the gate valve is very large, so that the maintenance cost of the gate valve is very large, and the later maintenance work is also greatly increased, therefore, the anti-leakage gate valve is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide an anti-leakage gate valve so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antiseep gate valve, includes the valve body, the valve channel has been seted up at the middle part of the inner wall of valve channel, the sealing ring of symmetric distribution has been seted up at the top middle part of valve channel, annular groove has been seted up at the top middle part of valve body, fixed mounting has the joint platform in the annular groove, be equipped with the case in the middle of the sealing ring, the surface fixed mounting of case has the sealing washer, the top of case is equipped with the valve rod, the bottom fixed mounting of valve rod has the joint ring, the top fixed mounting of joint platform has the connecting block, a plurality of first connecting holes of symmetric distribution have been seted up to the surface of connecting block, the top of connecting block is equipped with the sealing washer, a plurality of second connecting holes of symmetric distribution have been seted up to the surface of sealing washer, the screw hole has been seted up at the middle part of valve gap, a plurality of third connecting holes of symmetric distribution have been seted up to the surface of valve gap, the top of screw hole is equipped with the hand wheel.

Preferably, a clamping slot is formed in the middle of the top end of the valve core.

Preferably, the clamping ring is rotationally clamped in the clamping groove hole.

Preferably, the threads of the valve stem are mounted in the valve cover.

Preferably, a screw is movably arranged in the third connecting hole.

Preferably, the bottom of screw runs through first connecting hole, second connecting hole in proper order, the bottom screw thread of screw installs the nut, the upper surface of nut and the lower surface contact of connecting block.

Preferably, a hand wheel is fixedly arranged at the top of the valve rod.

Preferably, a plurality of through holes are uniformly distributed on the outer surfaces of the two ends of the valve body.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up extending structure, can reduce the gate valve and receive the impact of pressure in the use, can adjust and throttle the fluid to avoided because the deformation of gate valve, lead to hookup location and case position to seal inadequately, often cause the gate valve seepage, very big promotion the practicality of gate valve.

2. Through setting up connecting block, sealed pad and valve gap, all convenience more is dismantled and is installed to whole gate valve, and the cost to maintenance, maintenance and the change in gate valve later stage all can reduce a lot to very big increase the rate of utilization of gate valve.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic view of the structure of the valve body and the clamping table after planing.

Fig. 3 is a schematic view of the connection structure of the connection block and the valve cover of the present utility model.

FIG. 4 is a schematic diagram of the connection structure of the valve stem and the valve core of the present utility model.

In the figure: 1. a valve body; 11. a valve spool; 12. a seal ring; 13. an annular groove; 14. a clamping table; 15. a through hole; 2. a valve core; 21. a seal ring; 22. a clamping slot; 3. a valve stem; 31. a clamping ring; 4. a connecting block; 41. a first connection hole; 5. a sealing gasket; 51. a second connection hole; 6. a valve cover; 61. a threaded hole; 62. a third connection hole; 7. a screw; 71. a nut; 8. and a hand wheel.

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.

Examples: as shown in fig. 1-4, the utility model provides an anti-leakage gate valve, which comprises a valve body 1, a valve groove 11 is arranged in the middle of the valve body 1, a sealing ring 12 which is symmetrically distributed is fixedly arranged in the middle of the inner wall of the valve groove 11, an annular groove 13 is arranged in the middle of the top end of the valve body 1, a clamping table 14 is fixedly arranged in the annular groove 13, a valve core 2 is arranged in the middle of the sealing ring 12, a sealing ring 21 is fixedly arranged on the outer surface of the valve core 2, a valve rod 3 is arranged at the top end of the valve core 2, a clamping ring 31 is fixedly arranged at the bottom of the valve rod 3, the impact of pressure applied to the gate valve in the use process can be reduced by arranging the valve rod 3, the fluid can be regulated and throttled, and the defect that the sealing of a connecting position and the position of the valve core 2 is insufficient due to the deformation of the gate valve is avoided, often cause the gate valve seepage, very big promotion the practicality of gate valve, the top fixed mounting of joint platform 14 has connecting block 4, a plurality of first connecting holes 41 of symmetric distribution have been seted up to the surface of connecting block 4, the top of connecting block 4 is equipped with sealed pad 5, a plurality of second connecting holes 51 of symmetric distribution have been seted up to the surface of sealed pad 5, the top of sealed pad 5 is equipped with valve gap 6, screw hole 61 has been seted up at the middle part of valve gap 6, through setting up sealed pad 5, makes can closely laminating more between connecting block 4 and the valve gap 6 to can improve the leakproofness of gate valve, practical effect promotes by a wide margin, a plurality of third connecting holes 62 of symmetric distribution have been seted up to the surface of valve gap 6, the top of screw hole 61 is equipped with hand wheel 8.

The clamping groove hole 22 is formed in the middle of the top end of the valve core 2, and the loss caused by friction force when the valve body 1 and the valve core 2 are opened and closed can be reduced to a great extent by arranging the sealing ring 21, so that the leakage risk caused by the loss of the valve core 2 and the valve body 1 is reduced, and the service life of the gate valve is prolonged.

The clamping ring 31 is rotationally clamped in the clamping slot 22.

The threads of the valve stem 3 are mounted in a bonnet 6.

The third connecting hole 62 is movably provided with a screw 7.

The bottom of screw 7 runs through first connecting hole 41, second connecting hole 51 in proper order, nut 71 is installed to the bottom screw thread of screw 7, the upper surface of nut 71 and the lower surface contact of connecting block 4 through setting up connecting block 4, sealing washer 5 and valve gap 6, all more convenient to whole gate valve dismantlement and installation all can reduce a lot to the maintenance in gate valve later stage, maintenance and the cost of change to very big increase the rate of utilization of gate valve.

The top fixed mounting of valve rod 3 has hand wheel 8, through setting up hand wheel 8, can better control opening and closing of coming the gate valve to labour saving and time saving, very big improvement the practicality.

The outer surfaces of the two ends of the valve body 1 are provided with a plurality of through holes 15 which are uniformly distributed, and the through holes 15 are fixedly arranged at the outer installation ends, so that the sealing performance of the gate valve and the maintenance and replacement of the gate valve in the later period are improved.

Working principle: before use, the valve core 2 is movably clamped in the valve body 1, and the loss caused by friction force when the valve body 1 and the valve core 2 are opened and closed can be reduced to a great extent by arranging the sealing ring 21, so that the leakage risk caused by the loss of the valve core 2 and the valve body 1 is reduced, and the service life of the gate valve is greatly prolonged;

subsequently, the clamping ring 31 is rotationally clamped in the clamping groove hole 22, so that the impact of pressure on the gate valve in the use process can be reduced, and fluid can be regulated and throttled, thereby avoiding insufficient sealing between the connecting position and the valve core 2 position due to deformation of the gate valve, often causing leakage of the gate valve, and greatly improving the practicability of the gate valve;

subsequently, the bottoms of the screws 7 penetrate through the first connecting holes 41, the second connecting holes 51 and the third connecting holes 62 and are in threaded installation with nuts 71, and the sealing gasket 5 is arranged, so that the connecting block 4 and the valve cover 6 can be tightly attached to each other, the sealing performance of the gate valve can be improved, the practical effect is greatly improved, the whole gate valve is more convenient to detach and install, and the later maintenance, repair and replacement costs of the gate valve are greatly reduced, so that the utilization rate of the gate valve is greatly increased;

then, the valve is fixedly arranged in the corresponding interface through the through hole 15, so that the sealing performance of the gate valve can be improved, and the gate valve is more convenient to maintain and replace in the later period;

finally, the valve rod 3 is arranged in the threaded hole 61 in a threaded manner, the hand wheel 8 is fixedly arranged at the top end of the valve rod 3, the hand wheel 8 is manually rotated, and the valve core 2 is controlled to be opened or closed through the valve rod 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a antiseep gate valve, includes valve body (1), its characterized in that: valve neck (11) have been seted up at the middle part of valve body (1), sealing ring (12) of symmetric distribution have been seted up at the middle of the inner wall of valve neck (11), annular groove (13) have been seted up at the top middle part of valve body (1), fixed mounting has joint platform (14) in annular groove (13), be equipped with case (2) in the middle of sealing ring (12), the surface fixed mounting of case (2) has sealing washer (21), the top of case (2) is equipped with valve rod (3), the bottom fixed mounting of valve rod (3) has joint ring (31), the top fixed mounting of joint platform (14) has connecting block (4), a plurality of first connecting holes (41) of symmetric distribution have been seted up to the surface of connecting block (4), the top of connecting block (4) is equipped with sealed pad (5), a plurality of second connecting holes (51) of symmetric distribution have been seted up to the surface of sealed pad (5), the top of sealed pad (5) is equipped with valve gap (6), threaded hole (61) have been seted up at the middle part of case (6), the top of valve gap (62) has been seted up tap (61), a plurality of screw holes (61) have been seted up on the surface of symmetric distribution (8).

2. A leakage prevention gate valve according to claim 1, wherein: the middle part of the top end of the valve core (2) is provided with a clamping slot hole (22).

3. A leakage prevention gate valve according to claim 2, wherein: the clamping ring (31) is rotationally clamped in the clamping groove hole (22).

4. A leakage prevention gate valve according to claim 1, wherein: the valve rod (3) is arranged in the valve cover (6) in a threaded mode.

5. A leakage prevention gate valve according to claim 1, wherein: a screw (7) is movably arranged in the third connecting hole (62).

6. The leakage prevention gate valve according to claim 5, wherein: the bottom of screw (7) runs through first connecting hole (41), second connecting hole (51) in proper order, nut (71) are installed to the bottom screw thread of screw (7), the upper surface of nut (71) and the lower surface contact of connecting block (4).

7. A leakage prevention gate valve according to claim 1, wherein: a hand wheel (8) is fixedly arranged at the top of the valve rod (3).

8. A leakage prevention gate valve according to claim 1, wherein: a plurality of through holes (15) are uniformly distributed on the outer surfaces of the two ends of the valve body (1).