CN219317743U

CN219317743U - Telescopic gate valve

Info

Publication number: CN219317743U
Application number: CN202320197139.4U
Authority: CN
Inventors: 胡胜亮; 翁海咸
Original assignee: Zhejiang Shangfeng Valve Co ltd
Current assignee: Zhejiang Shangfeng Valve Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-07-07
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of gate valves, in particular to a telescopic gate valve, which comprises a gate valve main body, a telescopic valve and a compensation component, wherein one end of the gate valve main body is connected with the telescopic valve, one end of the telescopic valve, which is far away from the gate valve main body, is connected with the compensation component, a sealing glue is arranged at the joint of the gate valve main body and the telescopic valve, a second sealing ring is arranged at the joint of the compensation component and the gate valve main body, a first flange is arranged at one end of the gate valve main body, which is far away from the first flange, a plurality of groups of first limiting strips and first riveting blocks are arranged at the outer part of one end of the gate valve main body, which is far away from the first flange, a second flange is arranged at one end of the telescopic valve, which is far away from the second flange, a plurality of groups of first sealing rings and second limiting strips are arranged at the inner part of the telescopic valve, and the compensation component consists of an inner sleeve, a third flange, a corrugated pipe and a fourth flange.

Description

Telescopic gate valve

Technical Field

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

Background

When the gate valve between pipelines is replaced, the distance between the pipelines can be changed, so that the new gate valve is difficult to install and even cannot be installed, the construction efficiency is influenced, the pipelines can be changed due to expansion caused by heat and contraction caused by cold in the long-time use process, the joint of the pipelines and the gate valve is easy to leak, and the integral operation is influenced.

Therefore, there is a need to design a retractable gate valve to solve the above-mentioned problems in the background art.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, when a gate valve between pipelines is replaced, the distance between the pipelines can be changed, so that a new gate valve is difficult to install and even cannot be installed, the construction efficiency is affected, the pipeline is changed due to expansion caused by heat and contraction caused by cold in the long-time use process, the joint of the pipeline and the gate valve is easy to leak, and the integral operation is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the telescopic gate valve comprises a gate valve main body, a telescopic valve and a compensation component, wherein one end of the gate valve main body is connected with the telescopic valve, one end of the telescopic valve, which is far away from the gate valve main body, is connected with the compensation component, the joint of the gate valve main body and the telescopic valve is provided with sealing glue, and the joint of the compensation component and the gate valve main body is provided with a second sealing ring;

a first flange is arranged at one end of the gate valve main body, and a plurality of groups of first limiting strips and first riveting blocks are arranged outside one end of the gate valve main body, which is far away from the first flange;

the telescopic valve is provided with a second flange at one end far away from the gate valve main body, a plurality of groups of second riveting blocks are arranged in one end far away from the second flange of the telescopic valve, and a plurality of groups of first sealing rings and second limiting strips are arranged in the telescopic valve;

the compensation component consists of an inner sleeve, a third flange, a corrugated pipe and a fourth flange, wherein one end of the inner sleeve is provided with the fourth flange, the fourth flange is connected with the corrugated pipe, and one end, far away from the fourth flange, of the corrugated pipe is connected with the third flange;

and a plurality of groups of connecting lug plates are arranged outside the second flange, the third flange and the fourth flange, and pull rods are connected to the connecting lug plates.

As a preferable scheme of the utility model, the gate valve main body and the telescopic valve are connected through a sleeve joint, and the first riveting block and the second riveting block are limited through rotary riveting after being connected in a staggered manner.

In a preferred scheme of the utility model, the gate valve main body and the telescopic valve are sealed through sealant and a first sealing ring.

As a preferable scheme of the utility model, the inner sleeve is sleeved in the gate valve main body and is sealed by the second sealing ring.

In a preferred embodiment of the present utility model, the second flange is connected to the third flange and the fourth flange through a tie rod.

In a preferred embodiment of the present utility model, the first flange, the fourth flange and the pipe are connected by bolts and sealed by sealing rings.

In summary, the technical effects and advantages of the present utility model are: this telescopic gate valve, during the use, cup joint telescopic valve dislocation in the gate valve main part, make gate valve main part overall length be less than the length of installation department, place the gate valve main part in the installation department, rotate to the riveting position after stretching the telescopic valve to required position again, rethread bolt fastening is on the pipeline, fill the sealant in the riveting department again and seal, convenient operation is swift, and the internal connection department is equipped with first sealing washer, form secondary seal, further holistic leakproofness has been improved, but telescopic structure uses more conveniently when installing and changing the gate valve, and operating space increases, holistic suitability has been improved, the endotheca cup joints inside the gate valve main part and seals through the second sealing washer, second flange and third flange, fourth flange pass through the pull rod and connect, pass through bolted connection and seal through the sealing washer between first flange, fourth flange and the pipeline, form the compensation variation between gate valve and the pipeline, make and keep sealed between gate valve and the pipeline, reduce leakage and warp.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a split block diagram of the present utility model;

FIG. 3 is a side elevational structural view of the present utility model;

FIG. 4 is a sectional view showing the construction of the telescopic valve according to the present utility model;

fig. 5 is a drawing showing a contraction section structure of the expansion valve of the present utility model.

In the figure: 1. a gate valve body; 101. a first flange; 102. a first limit bar; 103. a first rivet block; 2. a telescopic valve; 201. a second flange; 202. a first seal ring; 203. the second limit bar; 204. a second rivet block; 3. a compensation component; 301. an inner sleeve; 302. a third flange; 303. a bellows; 304. a pull rod; 305. connecting an ear plate; 306. a fourth flange; 4. sealing glue; 5. and a second sealing ring.

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.

Referring to fig. 1-5, a telescopic gate valve comprises a gate valve main body 1, a telescopic valve 2 and a compensation component 3, wherein one end of the gate valve main body 1 is connected with the telescopic valve 2, one end of the telescopic valve 2, which is far away from the gate valve main body 1, is connected with the compensation component 3, a sealant 4 is arranged at the joint of the gate valve main body 1 and the telescopic valve 2, and a second sealing ring 5 is arranged at the joint of the compensation component 3 and the gate valve main body 1; a first flange 101 is arranged at one end of the gate valve main body 1, and a plurality of groups of first limiting strips 102 and first riveting blocks 103 are arranged outside one end, far away from the first flange 101, of the gate valve main body 1; a second flange 201 is arranged at one end of the telescopic valve 2, which is far away from the gate valve main body 1, a plurality of groups of second riveting blocks 204 are arranged in one end of the telescopic valve 2, which is far away from the second flange 201, and a plurality of groups of first sealing rings 202 and second limiting strips 203 are arranged in the telescopic valve 2; the compensation component 3 consists of an inner sleeve 301, a third flange 302, a corrugated pipe 303 and a fourth flange 306, wherein one end of the inner sleeve 301 is provided with the fourth flange 306, the fourth flange 306 is connected with the corrugated pipe 303, and one end, far away from the fourth flange 306, of the corrugated pipe 303 is connected with the third flange 302; the outside of second flange 201, third flange 302 and fourth flange 306 all is equipped with multiunit engaging lug board 305, is connected with pull rod 304 on the engaging lug board 305.

Referring to fig. 1, fig. 2 and fig. 3, when the gate valve between pipelines is replaced, the interval between pipelines can change, so that a new gate valve is difficult to install and even is not installed, construction efficiency is affected, the gate valve main body 1 and the telescopic valve 2 are connected through sleeving, the first riveting block 103 and the second riveting block 204 are in staggered connection and then are limited through rotating riveting, the gate valve main body 1 and the telescopic valve 2 are sealed through the sealant 4 and the first sealing ring 202, during use, the telescopic valve 2 is sleeved on the gate valve main body 1 in a staggered manner, the whole length of the gate valve main body 1 is smaller than the length of an installation place, the gate valve main body 1 is placed at the installation place, the telescopic valve 2 is stretched to a required position and then is rotated to a riveting position, the gate valve main body is fixed on the pipeline through bolts, the sealing glue 4 is filled at the riveting place for sealing, the operation is convenient and fast, the internal connection is provided with the first sealing ring 202, the whole sealing performance is further improved, the telescopic structure is more convenient to use during installation and the operation space is increased, and the whole adaptability is improved.

Referring to fig. 1, 2 and 3, the pipeline is changed due to expansion caused by heat and contraction caused by cold in the long-time use process, the joint of the pipeline and the gate valve is easy to leak, the whole operation is affected, the inner sleeve 301 is sleeved inside the gate valve main body 1 and is sealed through the second sealing ring 5, the second flange 201, the third flange 302 and the fourth flange 306 are connected through the pull rod 304, the first flange 101, the fourth flange 306 and the pipeline are connected through bolts and are sealed through the sealing ring, the compensation variable quantity between the gate valve and the pipeline is formed, the gate valve and the pipeline are kept sealed, and leakage and deformation are reduced.

Working principle: when the telescopic gate valve is used, the telescopic valve 2 is sleeved on the gate valve main body 1 in a staggered manner, the whole length of the gate valve main body 1 is smaller than that of an installation part, the gate valve main body 1 is placed at the installation part, the telescopic valve 2 is stretched to a required position and then rotates to a riveting position, the telescopic valve is fixed on a pipeline through bolts, sealing glue 4 is filled at the riveting position for sealing, the operation is convenient and fast, a first sealing ring 202 is arranged at an internal connection part, secondary sealing is formed, the whole sealing performance is further improved, the telescopic structure is more convenient to use when the gate valve is installed and replaced, the operation space is increased, the whole adaptability is improved, the inner sleeve 301 is sleeved inside the gate valve main body 1 and is sealed through a second sealing ring 5, a second flange 201 and a third flange 302 are connected through a pull rod 304, the first flange 101, the fourth flange 306 and the pipeline are connected through bolts and are sealed through the sealing rings, the compensation variable quantity between the gate valve and the pipeline is formed, the gate valve and the pipeline are kept sealed, and leakage and deformation are reduced.

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 telescopic gate valve, includes gate valve main part (1), telescopic valve (2) and compensation subassembly (3), its characterized in that: one end of the gate valve main body (1) is connected with a telescopic valve (2), one end, far away from the gate valve main body (1), of the telescopic valve (2) is connected with a compensation assembly (3), a sealing glue (4) is arranged at the joint of the gate valve main body (1) and the telescopic valve (2), and a second sealing ring (5) is arranged at the joint of the compensation assembly (3) and the gate valve main body (1);

a first flange (101) is arranged at one end of the gate valve main body (1), and a plurality of groups of first limiting strips (102) and first riveting blocks (103) are arranged outside one end, far away from the first flange (101), of the gate valve main body (1);

a second flange (201) is arranged at one end, far away from the gate valve main body (1), of the telescopic valve (2), a plurality of groups of second riveting blocks (204) are arranged inside one end, far away from the second flange (201), of the telescopic valve (2), and a plurality of groups of first sealing rings (202) and second limiting strips (203) are arranged inside the telescopic valve (2);

the compensation component (3) consists of an inner sleeve (301), a third flange (302), a corrugated pipe (303) and a fourth flange (306), wherein one end of the inner sleeve (301) is provided with the fourth flange (306), the corrugated pipe (303) is connected to the fourth flange (306), and one end, far away from the fourth flange (306), of the corrugated pipe (303) is connected with the third flange (302);

the outer parts of the second flange (201), the third flange (302) and the fourth flange (306) are respectively provided with a plurality of groups of connecting lug plates (305), and pull rods (304) are connected to the connecting lug plates (305).

2. A retractable gate valve according to claim 1, wherein: the gate valve main body (1) is connected with the telescopic valve (2) through a sleeve joint, and the first riveting block (103) and the second riveting block (204) are in dislocation connection and then are limited through rotary riveting.

3. A retractable gate valve according to claim 1, wherein: the gate valve body (1) and the telescopic valve (2) are sealed through a sealant (4) and a first sealing ring (202).

4. A retractable gate valve according to claim 1, wherein: the inner sleeve (301) is sleeved inside the gate valve main body (1) and is sealed through the second sealing ring (5).

5. A retractable gate valve according to claim 1, wherein: the second flange (201) is connected with the third flange (302) and the fourth flange (306) through a pull rod (304).

6. A retractable gate valve according to claim 1, wherein: the first flange (101), the fourth flange (306) and the pipeline are connected through bolts and sealed through sealing rings.