CN220249078U

CN220249078U - Self-tightening sealing flange type gate valve

Info

Publication number: CN220249078U
Application number: CN202320369279.5U
Authority: CN
Inventors: 刘伟国; 李江河; 刘国辉; 方权; 杜昌田
Original assignee: Zhejiang Guangwo Valve Co ltd
Current assignee: Zhejiang Guangwo Valve Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-12-26
Anticipated expiration: 2033-03-02

Abstract

The utility model provides a self-tightening sealing flange formula gate valve, includes valve body, valve rod and valve plate, be equipped with inlet channel and outlet channel in the valve body, can dismantle in the inlet channel and be equipped with filter unit, the inlet channel top is equipped with the installing port, filter unit includes bottom plate and roof, the interval is equipped with first filter screen and second filter screen between bottom plate and the roof, be equipped with sealing on the roof, the symmetry is equipped with the adjustment tank on the sealing, be equipped with the regulating block in the adjustment tank, the adjustment tank is interference fit with the regulating block, sealing through the elastic deformation of control regulating block degree of depth adjustment sealing to installing port inner wall direction in the adjustment tank, can in time filter each filter screen under long-time use through setting up detachable filter unit to seal through the sealing, can not produce the condition that leaks, when the elasticity of sealing produces tired, think both sides extrusion through rotating the regulating block with sealing, improves leakproofness and life.

Description

Self-tightening sealing flange type gate valve

Technical Field

The utility model relates to a self-tightening sealing flange type gate valve, and belongs to the field of valves.

Background

The gate valve is a shutter, the moving direction of the shutter is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, the gate valve can not be regulated and throttled, the gate valve is sealed by contacting the valve seat and the shutter, the sealing surface can be welded with metal materials to increase the wear resistance, the shutter is provided with a rigid shutter and an elastic shutter, and the gate valve is divided into the rigid gate valve and the elastic gate valve according to the difference of the shutters.

The flange gate valve is characterized in that flanges are arranged at the water inlet end and the water outlet end of the gate valve main body. The flange gate valve in the current market is easy because impurity in the rivers leads to valve plate wearing and tearing when the medium circulates, and the leakproofness is poor, generally filters the impurity in the rivers through installing the filter screen in the valve body, but after long-time use, the filter screen can not in time be changed, produces easily and blocks up and influence intaking and go out water.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art and provides a self-tightening sealing flange type gate valve.

The utility model provides a self-tightening sealing flange formula gate valve, includes valve body, valve rod and valve plate, be equipped with inlet channel and outlet channel in the valve body, can dismantle in the inlet channel and be equipped with filter unit, the inlet channel top is equipped with the installing port, filter unit includes bottom plate and roof, the interval is equipped with first filter screen and second filter screen between bottom plate and the roof, be equipped with sealing on the roof, the symmetry is equipped with the adjustment tank on the sealing, be equipped with the regulating block in the adjustment tank, the adjustment tank is interference fit with the regulating block, sealing through the elastic deformation of control regulating block degree of depth adjustment sealing to installing port inner wall direction in the adjustment tank, can in time filter each filter screen under long-time use through setting up detachable filter unit to seal through the sealing, can not produce the condition of leaking, when the elasticity of sealing produces tired, extrudeed sealing to both sides through rotating the regulating block, improves leakproofness and life, has saved the replacement cost.

Preferably, the sealing part is made of rubber and has elasticity, and the tightness of the sealing can be controlled by the adjusting block.

Further, be fixed with the fixed column on the sealing part, be equipped with the installation handle on the fixed column, help removing filtering component.

Further, be equipped with the spliced pole on the regulating block, be equipped with the rotation handle on the spliced pole, through rotation handle rotation regulating block can control sealing portion and the butt compactness of installing port, prevent to leak.

Preferably, the first filter screen and the second filter screen are arranged on the bottom plate through the fixed plate, the fixed plate is provided with a limiting strip, the fixed plate is provided with a rotating block in a rotating mode, a collecting plate is clamped between the limiting strip and the rotating block, the aperture of the first filter screen is larger than that of the second filter screen, media are filtered and collected into the collecting plate through the first filter screen and the second filter screen, and when the filter assembly is taken out, the filter assembly can be cleaned through the collecting plate, so that the next filtering effect is prevented from being influenced.

Further, be equipped with the visor on the valve body outer wall, be equipped with the rotation fastener on the valve body outer wall, the visor is fixed in the visor help to reduce external factor and influence filtering component on the valve body through the rotation fastener, increase of service life.

Preferably, the protective cover is provided with a closing handle to assist in opening the protective cover for operation.

The beneficial effects of the utility model are as follows: through setting up detachable filter component, can in time filter each filter screen under long-time use to seal through sealing, can not produce the condition that leaks, when the elasticity of sealing produces tired, extrude sealing to both sides through rotating the regulating block, improve leakproofness and life, saved the replacement cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

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

FIG. 2 is a partial cross-sectional view;

FIG. 3 is a partial cross-sectional view from a top view;

in the figure, 1, a valve body; 2. a valve stem; 3. a valve plate; 4. a water inlet channel; 41. a mounting port; 5. a water outlet channel; 6. a filter assembly; 61. a bottom plate; 62. a top plate; 63. a sealing part; 631. fixing the column; 632. a handle is installed; 633. an adjustment tank; 634. an adjusting block; 635. rotating the column; 636. rotating the handle; 64. a first filter screen; 65. a second filter screen; 66. a fixing plate; 67. a limit bar; 68. a rotating block; 69. a collection plate; 7. a protective cover; 71. rotating the fastener; 72. closing the handle.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1-3, in an embodiment of the self-tightening flange gate valve according to the present utility model, the self-tightening flange gate valve includes a valve body 1, a valve rod 2 and a valve plate 3, a water inlet channel 4 and a water outlet channel 5 are provided in the valve body 1, a filter assembly 6 is detachably provided in the water inlet channel 4, a mounting port 41 is provided at the top of the water inlet channel 4, the filter assembly 6 includes a bottom plate 61 and a top plate 62, a first filter screen 64 and a second filter screen 65 are provided between the bottom plate 61 and the top plate 62 at intervals, a sealing portion 63 is provided on the top plate 62, an adjusting groove 633 is symmetrically provided on the sealing portion 63, an adjusting block 634 is provided in the adjusting groove 633, the adjusting groove 633 is in interference fit with the adjusting block 634, the sealing portion 63 is controlled by controlling the adjusting block 634 to adjust the elastic deformation of the sealing portion 63 in the direction of the inner wall of the mounting port 41 in depth, the filter assembly 6 is provided to timely filter each filter under long-time use, and the sealing portion 63 is sealed by the sealing portion 63, no water leakage occurs, when the sealing portion 63 is tired, the sealing portion 63 is pressed to both sides by rotating the adjusting block 634, so that the cost of replacement is saved.

The material of the sealing portion 63 is rubber having elasticity capable of controlling the tightness of the seal by the regulating block 634. Fixed to the sealing portion 63 is a fixed post 631, and the fixed post 631 is provided with a mounting handle 632 to assist in removing the filter assembly 6.

The adjusting block 634 is provided with a rotating column 635, the rotating column 635 is provided with a rotating handle 636, and the abutting tightness between the sealing part 63 and the mounting port 41 can be controlled by rotating the adjusting block 634 through the rotating handle 636, so that water leakage is prevented.

The outer wall of the valve body 1 is provided with the protective cover 7, the outer wall of the valve body 1 is provided with the rotating fastener 71, and the protective cover 7 is fixed on the valve body 1 through the rotating fastener 71, so that the protective cover 7 helps to reduce the influence of external factors on the filter assembly 6, and the service life is prolonged. The protective cover 7 is provided with a closing handle 72 to assist in opening the protective cover 7 for operation.

1-3, the first filter screen 64 and the second filter screen 65 are arranged on the bottom plate 61 through the fixed plate 66, the fixed plate 66 is provided with a limit strip 67, the fixed plate 66 is rotatably provided with a rotating block 68, a collecting plate 69 is clamped between the limit strip 67 and the rotating block 68, the aperture of the first filter screen 64 is larger than that of the second filter screen 65, media are filtered and collected into the collecting plate 69 through the first filter screen 64 and the second filter screen 65, and when the filter assembly 6 is taken out, the media can be cleaned through the collecting plate 69, so that the next filtering effect is not affected.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

While the utility model has been described with reference to several particular embodiments, it should be understood that the utility model is not limited to the particular embodiments disclosed. The utility model is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides a self-tightening sealing flange formula gate valve, includes valve body, valve rod and valve plate, be equipped with inlet channel and play water channel in the valve body, its characterized in that: the utility model discloses a filter device, including water inlet channel, filter component, sealing portion, adjusting block, sealing portion and adjusting block, can dismantle in the water inlet channel and be equipped with filter component, water inlet channel top is equipped with the installing port, filter component includes bottom plate and roof, the interval is equipped with first filter screen and second filter screen between bottom plate and the roof, be equipped with sealing portion on the roof, the symmetry is equipped with the adjustment tank on the sealing portion, be equipped with the regulating block in the adjustment tank, the adjustment tank is interference fit with the regulating block, sealing portion is through the elastic deformation of control regulating block in the degree of depth regulation sealing portion to installing port inner wall direction in the adjustment tank.

2. The self-sealing flanged gate valve of claim 1, wherein: the sealing part is made of rubber.

3. The self-sealing flanged gate valve of claim 2, wherein: the sealing part is fixedly provided with a fixed column, and the fixed column is provided with a mounting handle.

4. The self-sealing flanged gate valve of claim 1, wherein: the adjusting block is provided with a rotating column, and the rotating column is provided with a rotating handle.

5. The self-sealing flanged gate valve of claim 1, wherein: the first filter screen and the second filter screen are arranged on the bottom plate through the fixed plate, a limiting strip is arranged on the fixed plate, a rotating block is arranged on the fixed plate in a rotating mode, a collecting plate is clamped between the limiting strip and the rotating block, and the aperture of the first filter screen is larger than that of the second filter screen.

6. The self-sealing flanged gate valve of claim 1, wherein: the valve body is characterized in that a protective cover is arranged on the outer wall of the valve body, a rotating fastener is arranged on the outer wall of the valve body, and the protective cover is fixed on the valve body through the rotating fastener.

7. The self-sealing flanged gate valve of claim 6, wherein: the protective cover is provided with a sealing handle.