CN220727155U

CN220727155U - Pipeline gate valve capable of preventing blockage

Info

Publication number: CN220727155U
Application number: CN202322072611.4U
Authority: CN
Inventors: 穆平成; 穆德龙; 穆延召
Original assignee: Qingdao Runcheng Vehicle Fittings Co ltd
Current assignee: Qingdao Runcheng Vehicle Fittings Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-04-05
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the technical field and discloses an anti-blocking pipeline gate valve, which comprises a valve body, wherein the top of the valve body is connected with a valve cover through a flange, the top of the valve cover is penetrated with a threaded rod, the threaded rod is in threaded connection with the valve cover, the bottom of the threaded rod is rotationally connected with a valve plate, the bottom of the valve plate is in sliding connection with the valve body, the anti-blocking pipeline gate valve is provided with a cleaning component, when the valve plate moves upwards, a connecting rod is enabled to rotate anticlockwise at a point of hinging a containing groove, so that the L-shaped rod is pulled to move inwards, a scraper is enabled to clean a connecting pipeline to scrape off blocked gas hydrate, the pipeline gate valve can be prevented from being used for a long time, blocking is caused, and when the valve plate rises to the top, the L-shaped rod, the scraper and the surface of the baffle are in collision, so that the inner wall of an annular seat is cleaned on the surface of the scraper, and the gas hydrate is prevented from adhering to the surface of the scraper.

Description

Pipeline gate valve capable of preventing blockage

Technical Field

The utility model relates to the technical field of natural gas pipeline gate valves, in particular to an anti-blocking pipeline gate valve.

Background

A weather pipe gate valve is a valve used in a pipe system, mainly for controlling the flow and stopping the flow of a fluid medium in a pipe. It is usually installed at the start-stop point or branch point of the pipeline for controlling the on-off and flow regulation of the fluid.

In natural gas transportation, natural gas contains a certain amount of steam, solid gas hydrate can be formed under certain temperature and pressure conditions, and when the pipeline gate valve is used for a long time, the connecting pipeline of the pipeline gate valve can be blocked by the gas hydrate, so that the pipeline gate valve cannot be normally used.

Disclosure of Invention

The utility model aims to provide an anti-blocking pipeline gate valve, which solves 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 a pipeline gate valve that can prevent jam, includes the valve body, there is the valve gap at the top of valve body through flange joint, the top of valve gap is run through there is the threaded rod, threaded rod and valve gap threaded connection, the bottom of threaded rod rotates and is connected with the valve plate, the bottom and the valve body sliding connection of valve plate, the surface of valve body is run through there is connecting tube, connecting tube is provided with the clearance subassembly with the inner wall and the surface of valve plate, the clearance subassembly includes:

the scraper blade, scraper blade sliding connection is on connecting tube's inner wall, one side that the valve body was kept away from to the scraper blade is fixed with L type pole, L type pole is close to the one end of valve body and articulates there is the connecting rod, the holding tank has been seted up to the valve plate one side surface that is close to connecting tube, the one end that the L type pole was kept away from to the connecting rod articulates on the inner wall of holding tank, the clearance subassembly still includes the interlock piece, and the valve plate moves up, and the connecting rod is with holding tank articulated point, anticlockwise rotation, pulls L type pole inwards to remove for the scraper blade is cleared up connecting tube and is made ice stifled gas hydrate to strike off.

Preferably, the linkage piece comprises an annular seat, the annular seat is fixed on the inner wall of the connecting pipeline, the baffle is connected to the inner wall of the annular seat in a sliding manner, a spring is fixed on the surface of the baffle, one end of the spring, far away from the baffle, is fixed on the surface of the annular seat, and when the valve plate rises to the top, the connecting rod can abut against the surface of the baffle through an L-shaped rod and the scraping plate at the moment, so that the surface of the scraping plate is cleaned by the inner wall of the annular seat.

Preferably, the scraping plates are arranged in a ring shape.

Preferably, a handle is fixed to the top of the threaded rod.

Preferably, the surface of the valve body is provided with a through hole, and the shape of the through hole of the valve body is consistent with that of the connecting pipeline.

Preferably, the valve plate is provided with a through hole, and the shape of the through hole of the valve plate is consistent with that of the through hole of the valve body.

Compared with the prior art, the utility model provides the anti-blocking pipeline gate valve, which has the following beneficial effects:

this pipeline gate valve that can prevent jam is provided with clearance subassembly, when the valve plate moves up, can make the connecting rod with holding tank articulated point, anticlockwise rotation to can stimulate L type pole inwards to remove, thereby make the scraper blade clear up connecting tube and make the stifled gas hydrate of ice strike off, can prevent to use pipeline gate valve for a long time, cause the jam, when the valve plate rises to the top, the connecting rod can L type pole, scraper blade and baffle surface conflict this moment, make the inner wall of annular seat clear up the surface of scraper blade, prevent to have gas hydrate adhesion at the surface of scraper blade.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the enlarged structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic diagram of the front view of the valve body of the present utility model;

FIG. 4 is a schematic view of a partial bottom view of the present utility model;

FIG. 5 is a schematic view of a partial front view of the present utility model;

fig. 6 is a schematic diagram of the front view of the annular seat of the present utility model.

In the figure: 1. a valve body; 2. a valve cover; 3. a threaded rod; 4. a handle; 5. a connecting pipe; 6. a valve plate; 7. cleaning the assembly; 70. a scraper; 71. an L-shaped rod; 72. a connecting rod; 73. a receiving groove; 74. a linkage member; 740. an annular seat; 741. a baffle; 742. and (3) a spring.

Detailed Description

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a pipeline gate valve that can prevent jam, including valve body 1, there is valve gap 2 at the top of valve body 1 through flange joint, and threaded rod 3 has been run through at the top of valve gap 2, threaded rod 3 and valve gap 2 threaded connection, and the bottom of threaded rod 3 rotates and is connected with valve plate 6, the bottom and the 1 sliding connection of valve body of valve plate 6, and the surface of valve body 1 is run through there is connecting tube 5, and connecting tube 5 is provided with clearance subassembly 7 with the inner wall and the surface of valve plate 6, and clearance subassembly 7 includes:

the scraper 70, the scraper 70 is slidably connected on the inner wall of the connecting pipeline 5, one side of the scraper 70 far away from the valve body 1 is fixed with an L-shaped rod 71, one end of the L-shaped rod 71 close to the valve body 1 is hinged with a connecting rod 72, one side surface of the valve plate 6 close to the connecting pipeline 5 is provided with a containing groove 73, one end of the connecting rod 72 far away from the L-shaped rod 71 is hinged on the inner wall of the containing groove 73, the cleaning assembly 7 further comprises a linkage piece 74, when the valve plate 6 moves upwards, the connecting rod 72 rotates anticlockwise at the point where the containing groove 73 is hinged, the L-shaped rod 71 is pulled to move inwards, so that the scraper 70 cleans the connecting pipeline 5 to scrape off gas hydrate blocked by ice, and the pipeline gate valve can be prevented from being used for a long time to cause blockage;

the linkage piece 74 comprises an annular seat 740, the annular seat 740 is fixed on the inner wall of the connecting pipeline 5, a baffle 741 is slidably connected to the inner wall of the annular seat 740, a spring 742 is fixed on the surface of the baffle 741, one end of the spring 742, which is far away from the baffle 741, is fixed on the surface of the annular seat 740, and when the valve plate 6 is lifted to the top, the connecting rod 72 can abut against the surfaces of the L-shaped rod 71 and the scraping plate 70 at the moment, so that the inner wall of the annular seat 740 cleans the surface of the scraping plate 70, and gas hydrate is prevented from adhering to the surface of the scraping plate 70;

the scraper 70 is provided in a ring shape; a handle 4 is fixed at the top of the threaded rod 3; the surface of the valve body 1 is provided with a through hole, and the shape of the through hole of the valve body 1 is consistent with that of the connecting pipeline 5; the valve plate 6 is provided with a through hole, and the shape of the through hole of the valve plate 6 is identical to that of the through hole of the valve body 1.

When the pipeline gate valve needs to be opened, personnel rotate the handle 4, the threaded rod 3 rotates at this moment, and then the cooperation valve gap 2, make and drive valve plate 6 and shift up, when the through-hole of valve plate 6 overlaps with the through-hole of valve body 1, natural gas can be through connecting tube 5 through valve body 1 and valve plate 6 this moment, can make natural gas normally pass through, when using for a long time, when its connecting tube 5 inner wall is blocked by gas hydrate ice, when valve plate 6 shifts up, can make connecting rod 72 with holding tank 73 articulated point, anticlockwise rotation, thereby can pull L type pole 71 inwards move, thereby make scraper blade 70 clear up connecting tube 5 and make the gas hydrate of ice blocking scrape off, simultaneously when valve plate 6 rises to the top, at this moment connecting rod 72 can L type pole 71, scraper blade 70 is contradicted with baffle 741 surface, make the inner wall of annular seat 740 clear up to the surface of scraper blade 70, prevent to have gas hydrate adhesion at the surface of scraper blade 70, can prevent to use gate valve pipe for a long time, cause the jam, simultaneously when scraper blade 70 rises to the top, can get into holding tank 73 at the most, can not cause the phenomenon of blocking.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a pipeline gate valve that can prevent blockking up, includes valve body (1), its characterized in that: the top of valve body (1) is through flange joint there being valve gap (2), the top of valve gap (2) is run through there is threaded rod (3), threaded rod (3) and valve gap (2) threaded connection, the bottom rotation of threaded rod (3) is connected with valve plate (6), the bottom and the valve body (1) sliding connection of valve plate (6), the surface of valve body (1) is run through there is connecting tube (5), inner wall and the surface of connecting tube (5) and valve plate (6) are provided with clearance subassembly (7), clearance subassembly (7) include:

scraper blade (70), scraper blade (70) sliding connection is on the inner wall of connecting tube (5), one side that scraper blade (70) kept away from valve body (1) is fixed with L type pole (71), one end that L type pole (71) is close to valve body (1) articulates there is connecting rod (72), holding tank (73) have been seted up on one side surface that valve plate (6) is close to connecting tube (5), one end that L type pole (71) was kept away from to connecting rod (72) articulates on the inner wall of holding tank (73), clearance subassembly (7) still include interlock piece (74).

2. An anti-clogging pipe gate valve as defined in claim 1, wherein: the linkage piece (74) comprises an annular seat (740), the annular seat (740) is fixed on the inner wall of the connecting pipeline (5), a baffle (741) is connected to the inner wall of the annular seat (740) in a sliding mode, a spring (742) is fixed on the surface of the baffle (741), and one end, far away from the baffle (741), of the spring (742) is fixed on the surface of the annular seat (740).

3. An anti-clogging pipe gate valve as defined in claim 1, wherein: the scraper (70) is arranged in a ring shape.

4. An anti-clogging pipe gate valve as defined in claim 1, wherein: the top of the threaded rod (3) is fixed with a handle (4).

5. An anti-clogging pipe gate valve as defined in claim 1, wherein: through holes are formed in the surface of the valve body (1), and the shape of the through holes of the valve body (1) is consistent with that of the connecting pipeline (5).

6. The anti-clogging conduit gate valve of claim 5 wherein: the valve plate (6) is provided with a through hole, and the shape of the through hole of the valve plate (6) is consistent with that of the through hole of the valve body (1).