CN221482705U

CN221482705U - Structure of hard sealing type gate valve

Info

Publication number: CN221482705U
Application number: CN202323022581.2U
Authority: CN
Inventors: 李忠启
Original assignee: Zhucheng Longxing Valve Co ltd
Current assignee: Zhucheng Longxing Valve Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-08-06
Anticipated expiration: 2033-11-08

Abstract

The utility model provides a structure of a hard sealing gate valve, which comprises: valve seat, valve core, handle, water outlet, connecting pipe, base, filter element, first sealing ring, top plate, spring, bottom plate, second sealing ring and plug; the valve core is arranged on the inner wall of the valve seat and is connected with the valve seat in an inserting way; the handle is arranged at the top end of the valve core and is connected with the valve core in a screwed mode; the water outlet is screwed and installed at one end of the valve seat; the connecting pipe is arranged at the other end of the valve seat and is connected with the valve seat in a screwed manner; the base is arranged at one end of the connecting pipe and is connected with the connecting pipe in a screwed mode; the filter element is arranged on the inner wall of the base and is connected with the base in a plug-in manner; the utility model has the advantages of reasonable structural design, good filtering effect, strong sealing performance, long service life, convenient installation and disassembly of the filter element and convenient replacement by improving the structure of the hard sealing type gate valve, thereby effectively solving the problems and defects in the prior device.

Description

Structure of hard sealing type gate valve

Technical Field

The utility model relates to the technical field of hard seal gate valves, in particular to a structure of a hard seal gate valve.

Background

With the development of society, there is a need for pipe connections, both in production and in life, in which pipe connections, hard seal gate valves are one of the pipe connections that are frequently used, are required to be applied to pipe connections.

Gate valves belong to the class of stop valves and have the function of switching on or off media in a pipeline, and mainly have two working states of complete closing or complete opening. The sealing performance between the valve core and the valve seat is the most important technical performance index of the valve, and leakage is not allowed to be generated under the common condition, so that a hard sealing structure is usually adopted between the flashboard and the valve seat, namely, a metal sealing surface is adopted between the valve seat and the valve plate.

When the hard sealing gate valve is installed in the pipeline, a large amount of impurities exist in the fluid medium in the pipeline, so that the hard sealing gate valve is easily attached to the outer wall of the valve core and the valve seat, and the abrasion between the valve core and the valve seat is easily caused when the gate valve is opened, thereby causing the leakage of the gate valve and influencing the service life of the gate valve.

In view of the above, the present invention has been made in view of the above problems, and an object of the present invention is to provide a structure of a hard seal gate valve, which solves the problems and improves the practical value.

Disclosure of utility model

The present utility model is directed to a hard sealing gate valve structure, which solves the above-mentioned problems and disadvantages of the related art.

In order to achieve the above purpose, the present utility model provides a structure of a hard sealing gate valve, which is achieved by the following specific technical means:

A structure of a hard seal type gate valve, comprising: valve seat, valve core, handle, water outlet, connecting pipe, base, filter element, first sealing ring, top plate, spring, bottom plate, second sealing ring, plug, press ring, nut and water inlet; the valve core is arranged on the inner wall of the valve seat and is connected with the valve seat in an inserting way; the handle is arranged at the top end of the valve core and is connected with the valve core in a screwed mode; the water outlet is screwed and installed at one end of the valve seat; the connecting pipe is arranged at the other end of the valve seat and is connected with the valve seat in a screwed manner; the base is arranged at one end of the connecting pipe and is connected with the connecting pipe in a screwed mode; the filter element is arranged on the inner wall of the base and is connected with the base in a plug-in manner; the first sealing ring is arranged on the inner wall of the lower part of the base, the first sealing ring and the base are arranged on the inner wall of the first sealing ring, and the top plate is connected with the first sealing ring in an adhesive mode; the spring is positioned at the bottom of the top plate and is abutted with the top plate; the bottom plate is screwed and installed at the bottom of the base; the second sealing ring is arranged at the top end of the base and is connected with the base in a plugging manner; the plug is screwed on the inner wall of the top end of the base; the pressing ring is arranged on the outer wall of the plug, and is welded with the plug; the nut is arranged at the top end of the plug, and the nut is connected with the plug in a welding way; the water inlet is arranged on one side of the base, and the water inlet is connected with the base in a screwed mode.

As a further optimization of the technical scheme, the base is of a rectangular plate-shaped structure, the top end of the base is provided with a cylindrical groove for installing the filter element, and the filter element is inserted and installed in the groove.

As a further optimization of the technical scheme, the filter element is of a tubular structure made of PP cotton.

As a further optimization of the technical scheme, the inner wall of the top end of the base is provided with the annular groove for installing the second sealing ring, and the second sealing ring is abutted with the compression ring on the plug.

As a further optimization of the technical scheme, the pressing ring is of a circular ring structure, and is welded and installed on the inner wall of the lower part of the plug to form an integrated structure.

As a further optimization of the technical scheme, in the structure of the hard sealing type gate valve, the first sealing ring is adhered and installed on the outer wall of the top plate, and the top plate is installed on the inner wall of the base in a plugging manner through the spring to form a sliding device.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. The base is of a rectangular plate-shaped structure, the top end of the base is provided with the cylindrical groove for installing the filter element, the filter element is inserted and installed in the groove, the filter element is of a tubular structure made of PP cotton, the filter element made of PP cotton is installed in the base, so that a water source entering the water inlet is filtered by the filter element and then enters the valve seat, the hidden trouble that dust and other impurities in water damage the hard sealing part of the valve element and the valve seat is effectively prevented, and the service lives of the valve element and the valve seat are prolonged.

2. The annular groove for installing the second sealing ring is formed in the inner wall of the top end of the base, the second sealing ring is abutted with the pressing ring on the plug, the pressing ring is of a circular ring structure, the pressing ring is welded and installed on the inner wall of the lower part of the plug to form an integral structure, the bottom of the pressing ring is abutted with the top end of the second sealing ring and pressed by screwing the nut on the upper part of the plug, and the sealing performance of the device is improved.

3. The first sealing ring is adhered and installed on the outer wall of the top plate, the top plate is installed on the inner wall of the base in a plugging manner through the spring and is a sliding device, when the plug is unscrewed, the top plate can slide upwards on the inner wall of the base through the spring at the bottom, so that the valve core at the top end of the top plate can be sprung up to a certain height, the valve core can be conveniently installed and detached, and the valve core can be conveniently replaced.

4. The utility model has the advantages of reasonable structural design, good filtering effect, strong sealing performance, long service life, convenient installation and disassembly of the filter element and convenient replacement by improving the structure of the hard sealing type gate valve, thereby effectively solving the problems and defects in the prior device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the 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 an explosion structure at a base of the present utility model.

In the figure: valve seat 1, case 2, handle 3, delivery port 4, connecting pipe 5, base 6, filter core 7, first sealing washer 8, roof 9, spring 10, bottom plate 11, second sealing washer 12, end cap 13, clamping ring 14, nut 15, water inlet 16.

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.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, 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.

Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. 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 to 3, the present utility model provides a specific technical embodiment of a structure of a hard seal gate valve:

A structure of a hard seal type gate valve, comprising: valve seat 1, valve core 2, handle 3, water outlet 4, connecting tube 5, base 6, filter element 7, first sealing ring 8, top plate 9, spring 10, bottom plate 11, second sealing ring 12, plug 13, press ring 14, nut 15, water inlet 16; the valve core 2 is arranged on the inner wall of the valve seat 1, and the valve core 2 is connected with the valve seat 1 in an inserting way; the handle 3 is arranged at the top end of the valve core 2, and the handle 3 is connected with the valve core 2 in a screwed mode; the water outlet 4 is screwed and installed at one end of the valve seat 1; the connecting pipe 5 is arranged at the other end of the valve seat 1, and the connecting pipe 5 is connected with the valve seat 1 in a screwed mode.

The base 6 is arranged at one end of the connecting pipe 5, and the base 6 is connected with the connecting pipe 5 in a screwed mode; the base 6 is rectangular plate-shaped structure, and the cylindrical recess that is used for installing filter core 7 is offered on the top of base 6, and filter core 7 grafting is installed in the recess, and filter core 7 is the setting of the tubular structure that the PP cotton was made, and the internally mounted of base 6 has filter core 7 that the PP cotton was made, makes the water source that enters into water inlet 16 reentrant disk seat 1 inside after the filter core 7 filters, has effectively prevented impurity such as dust in the water from causing the hidden danger of damage to case 2 and disk seat 1 hard seal department, has improved case 2 and disk seat 1's life.

The filter element 7 is arranged on the inner wall of the base 6, and the filter element 7 is connected with the base 6 in a plug-in connection way; the first sealing ring 8 is arranged on the inner wall of the lower part of the base 6, and the first sealing ring 8 is abutted with the base 6;

The top plate 9 is arranged on the inner wall of the first sealing ring 8, and the top plate 9 is connected with the first sealing ring 8 in an adhesive mode; the outer wall of the top plate 9 is adhered with a first sealing ring 8, and the top plate 9 is inserted and installed on the inner wall of the base 6 through a spring 10 to form a sliding device.

When unscrewing the plug 13, the top plate 9 can slide upwards on the inner wall of the base 6 through the spring 10 at the bottom, so that the valve core 2 at the top end of the top plate 9 is sprung up to a certain height, the valve core 2 is convenient to mount and dismount, and the valve core 2 is convenient to replace.

The spring 10 is positioned at the bottom of the top plate 9, and the spring 10 is abutted against the top plate 9; the bottom plate 11 is screwed and installed at the bottom of the base 6; the second sealing ring 12 is arranged at the top end of the base 6, and the second sealing ring 12 is connected with the base 6 in a plugging manner; the plug 13 is screwed on the inner wall of the top end of the base 6.

The pressing ring 14 is arranged on the outer wall of the plug 13, and the pressing ring 14 is connected with the plug 13 in a welding way; the clamping ring 14 is of a circular ring structure, the clamping ring 14 is welded and installed on the inner wall of the lower portion of the plug 13 to form an integrated structure, the bottom of the clamping ring 14 can be abutted to the top end of the second sealing ring 12 and tightly pressed through screwing the nut 15 on the upper portion of the plug 13, and the sealing performance of the device is improved.

The nut 15 is arranged at the top end of the plug 13, and the nut 15 is connected with the plug 13 in a welding way; the water inlet 16 is installed at one side of the base 6, and the water inlet 16 is screwed with the base 6.

The specific implementation steps are as follows:

When the novel valve seat is used, the water inlet 16 is communicated with a water source, the water source passes through the base 6, the filter element 7 made of PP cotton is arranged in the base 6, the water source entering the water inlet 16 is filtered by the filter element 7 and then enters the valve seat 1, the hidden danger that dust and other impurities in water damage the hard sealing position of the valve core 2 and the valve seat 1 is effectively prevented, the service life of the valve core 2 and the valve seat 1 is prolonged, when the filter element 7 is blocked, the plug 13 is unscrewed, the top plate 9 can slide upwards on the inner wall of the base 6 through the spring 10 at the bottom, so that the valve core 2 at the top end of the top plate 9 is sprung up to a certain height, and the replacement of the valve core 2 is facilitated.

To sum up: according to the structure of the hard sealing gate valve, the base is of the rectangular plate-shaped structure, the cylindrical groove for installing the filter element is formed in the top end of the base, the filter element is inserted and installed in the groove, the filter element is of the tubular structure made of PP cotton, the filter element made of the PP cotton is installed in the base, so that a water source entering the water inlet is filtered by the filter element and then enters the valve seat, the hidden danger that impurities such as dust in water damage the hard sealing position of the valve element and the valve seat is effectively prevented, and the service life of the valve element and the valve seat is prolonged; an annular groove for installing a second sealing ring is formed in the inner wall of the top end of the base, the second sealing ring is in butt joint with a pressing ring on the plug, the pressing ring is of a circular ring structure, the pressing ring is welded and installed on the inner wall of the lower part of the plug to form an integral structure, the bottom of the pressing ring can be in butt joint with the top end of the second sealing ring and is tightly pressed by screwing a nut on the upper part of the plug, and the sealing performance of the device is improved; the first sealing ring is adhered and installed on the outer wall of the top plate, the top plate is arranged on the inner wall of the base in a sliding way through the spring in a plugging way, when the plug is unscrewed, the top plate can slide upwards on the inner wall of the base through the spring at the bottom, so that the valve core at the top end of the top plate can be sprung up to a certain height, the valve core can be conveniently installed and detached, and the valve core can be conveniently replaced; through the improvement to the structure of a hard seal type gate valve, have structural design reasonable, the gate valve filter effect is good, and the leakproofness is strong, long service life, the filter core is convenient for install and dismantle, convenient advantage of changing to the effectual problem and the not enough that appear in having solved current device.

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. A structure of a hard seal type gate valve, comprising: the valve comprises a valve seat (1), a valve core (2), a handle (3), a water outlet (4), a connecting pipe (5), a base (6), a filter element (7), a first sealing ring (8), a top plate (9), a spring (10), a bottom plate (11), a second sealing ring (12), a plug (13), a compression ring (14), a nut (15) and a water inlet (16); the method is characterized in that: the valve core (2) is arranged on the inner wall of the valve seat (1), and the valve core (2) is connected with the valve seat (1) in an inserting way; the handle (3) is arranged at the top end of the valve core (2), and the handle (3) is connected with the valve core (2) in a screwed mode; the water outlet (4) is screwed and arranged at one end of the valve seat (1); the connecting pipe (5) is arranged at the other end of the valve seat (1), and the connecting pipe (5) is connected with the valve seat (1) in a screwed mode; the base (6) is arranged at one end of the connecting pipe (5), and the base (6) is connected with the connecting pipe (5) in a screwed mode; the filter element (7) is arranged on the inner wall of the base (6), and the filter element (7) is connected with the base (6) in a plugging manner; the first sealing ring (8) is arranged on the inner wall of the lower part of the base (6), and the first sealing ring (8) is in abutting connection with the base (6); the top plate (9) is arranged on the inner wall of the first sealing ring (8), and the top plate (9) is connected with the first sealing ring (8) in an adhesive mode; the spring (10) is positioned at the bottom of the top plate (9), and the spring (10) is abutted with the top plate (9); the bottom plate (11) is screwed and installed at the bottom of the base (6); the second sealing ring (12) is arranged at the top end of the base (6), and the second sealing ring (12) is connected with the base (6) in a plugging manner; the plug (13) is screwed on the inner wall of the top end of the base (6); the pressing ring (14) is arranged on the outer wall of the plug (13), and the pressing ring (14) is welded with the plug (13); the nut (15) is arranged at the top end of the plug (13), and the nut (15) is welded with the plug (13); the water inlet (16) is arranged on one side of the base (6), and the water inlet (16) is connected with the base (6) in a screwed mode.

2. The structure of a hard seal type gate valve according to claim 1, wherein: the base (6) is of a rectangular plate-shaped structure, a cylindrical groove for installing the filter element (7) is formed in the top end of the base (6), and the filter element (7) is installed in the groove in a plugging mode.

3. The structure of a hard seal type gate valve according to claim 1, wherein: the filter element (7) is of a tubular structure made of PP cotton.

4. The structure of a hard seal type gate valve according to claim 1, wherein: an annular groove for installing a second sealing ring (12) is formed in the inner wall of the top end of the base (6), and the second sealing ring (12) is abutted to a compression ring (14) on the plug (13).

5. The structure of a hard seal type gate valve according to claim 1, wherein: the compression ring (14) is of a circular ring structure, and the compression ring (14) is welded and installed on the inner wall of the lower part of the plug (13) to form an integrated structure.

6. The structure of a hard seal type gate valve according to claim 1, wherein: the outer wall of the top plate (9) is adhered with a first sealing ring (8), and the top plate (9) is inserted and installed on the inner wall of the base (6) through a spring (10) to form a sliding device.