CN221145626U

CN221145626U - Joint sealing device

Info

Publication number: CN221145626U
Application number: CN202323234075.XU
Authority: CN
Inventors: 段利宾; 马殷军; 唐文国; 陈向军; 张振琼; 陈淼博; 梁胜明; 景俊虎; 周庆强; 杜耀辉; 高岳
Original assignee: China Railway 21st Bureau Group Co Ltd
Current assignee: China Railway 21st Bureau Group Co Ltd
Priority date: 2023-11-29
Filing date: 2023-11-29
Publication date: 2024-06-14
Anticipated expiration: 2033-11-29

Abstract

The utility model belongs to the technical field of pipes, in particular to a joint sealing device, which comprises a main body, the pipes inserted in the main body, and a fixing component arranged outside the main body, wherein the fixing component comprises a nut which is spirally connected to the surface of the main body, a pushing block which is lapped on the surface of the nut, and a top plate which is rotationally connected in a groove formed in the surface of the main body through a rotating shaft.

Description

Joint sealing device

Technical Field

The utility model belongs to the technical field of pipes, and particularly relates to a joint sealing device.

Background

The fluid transportation is carried throughout all the fields of society, so to say that the transportation of the fluid bears and runs through the social industrial production and the life of people, the most common fluid transportation medium is water and gas, such as tap water supply, sewage discharge, natural gas transportation and supply and the like, and the pipes are not separated from each other;

Through investigation publication (bulletin) number: CN216768643U discloses a metal pipe joint sealing device, which discloses a "metal pipe joint sealing device" in the technology, comprising a first pipe, a joint and a second pipe which are sequentially and hermetically and fixedly connected, and further comprising a sealing element, wherein the sealing element is composed of a first sealing sleeve, a second sealing sleeve and a sealing ring which are integrally formed and coaxially arranged from outside to inside, the sealing ring is arranged in the middle position of the axial length of the first sealing sleeve, and the like, and the metal pipe joint sealing device can realize three-layer sealing protection through the structural improvement of the pipes, the joint and the sealing element, and improves the sealing performance; meanwhile, through the sleeving structure between the joint and the pipe, the technical effects of leakage caused by the stress extrusion of the sealing element of the existing flange due to external load are avoided;

Although the design can realize three-layer sealing protection through structural improvement of the pipe, the joint and the sealing piece, and improves sealing performance, when the design is in actual use, a gap exists between two pipelines when the pipelines are in butt joint, and when the water pressure is high after the common pipelines are spliced through the joint, the joint is easy to separate from the pipelines, and water leakage is easy to cause.

In order to solve the above problems, the present application provides a joint sealing device.

Disclosure of utility model

To solve the problems set forth in the background art. The utility model provides a joint sealing device which can be used for ensuring that the installation between a pipeline and a joint is more stable and has the characteristic of better joint sealing effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the joint sealing device comprises a main body, a pipe inserted into the main body and a fixing assembly arranged outside the main body;

The fixing component comprises a nut which is spirally connected to the surface of the main body, a push block which is lapped on the surface of the nut, and a top plate which is rotationally connected to the inside of a groove formed in the surface of the main body through a rotating shaft, wherein the push block is slidingly connected to the inside of a sliding groove formed in the surface of the main body, the push block is slidingly connected with the top plate, and a partition plate is installed in the main body.

In the joint sealing device according to the present utility model, preferably, a clip is mounted on a surface of the top plate on a side close to the main body, and the clip abuts against a surface of the pipe.

As one preferable joint sealing device, a torsion spring is sleeved outside the rotating shaft, one end of the torsion spring is spliced with the top plate, and the other end of the torsion spring is spliced in the main body.

The sealing device for the joint of the utility model is preferable and further comprises a sealing assembly arranged in the main body, wherein the sealing assembly comprises two connecting pipes which are connected in a sliding hole formed in the surface of the partition board in a sliding way, a jacking pipe which is connected to the outer side of the connecting pipes in a sliding way and a sealing ring which is sleeved on the outer side of the connecting pipes, the jacking pipe is symmetrically arranged on the surface of the partition board, the jacking pipe is abutted with the sealing ring, and the sealing ring is abutted with the pipe.

As one preferable joint sealing device of the utility model, the surface of the connecting pipe is provided with a top ring which is in sliding connection in a chute formed on the surface of the jacking pipe, the surface of the top ring is provided with a rubber pad, and the rubber pad is abutted against one end of the pipe.

Preferably, as one joint sealing device of the present utility model, two adjacent sides of the connecting pipe are commonly provided with the same corrugated rubber pipe.

Preferably, in the joint sealing device of the present utility model, the surface of the pushing block is provided with a bevel matched with the top plate.

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

1. The fixing assembly is added on the basis, and the nut, the top plate and the push block are arranged, so that when the pipe clamp is used, the nut drives the push block to push the top plate, and the clamping strip on the top plate is clamped on the pipe, so that the two pipes can be stably installed together;

2. Meanwhile, the sealing assembly is further added on the basis, and when the sealing assembly is used, the pipes can be abutted together, the connecting pipes are driven by the top ring to slide in the partition plate, and the connecting pipes are extruded to the sealing ring, so that the main body can be abutted against the inner wall of the pipes, the sealing performance between the connecting pipes and the pipes is improved, and the two pipes are communicated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, 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 cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of a seal assembly according to the present utility model;

Fig. 4 is a schematic structural view of a top plate, a clamping strip and a rotating shaft in the present utility model.

In the figure:

1. A main body;

2. A fixing assembly; 201. a nut; 202. a pushing block; 203. a top plate; 204. a rotating shaft; 205. a torsion spring; 206. a partition plate; 207. clamping strips;

3. A seal assembly; 301. a connecting pipe; 302. jacking pipes; 303. a seal ring; 304. a top ring; 305. rubber cushion; 306. a corrugated rubber tube;

4. and (5) a pipe.

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.

Example 1

As shown in fig. 1-4;

a joint sealing device comprises a main body 1 and a pipe 4 inserted in the main body 1.

In this embodiment: through investigation publication (bulletin) number: CN216768643U discloses a metal pipe joint sealing device, which discloses a "metal pipe joint sealing device" in the technology, comprising a first pipe, a joint and a second pipe which are sequentially and hermetically and fixedly connected, and further comprising a sealing element, wherein the sealing element is composed of a first sealing sleeve, a second sealing sleeve and a sealing ring which are integrally formed and coaxially arranged from outside to inside, the sealing ring is arranged in the middle position of the axial length of the first sealing sleeve, and the like, and the metal pipe joint sealing device can realize three-layer sealing protection through the structural improvement of the pipes, the joint and the sealing element, and improves the sealing performance; meanwhile, through the sleeving structure between the joint and the pipe, the technical effects of leakage caused by the stress extrusion of the sealing element of the existing flange due to external load are avoided;

Although the design can realize three-layer sealing protection through structural improvement of the pipe, the joint and the sealing piece, and improves sealing performance, when the design is in actual use, a gap exists between two pipelines when the pipelines are in butt joint, when the water pressure is large after the common pipelines are spliced through the joint, the joint is easy to separate from the pipelines, water leakage and the like are easy to cause, and the problem is obviously a problem which is actually existing and is difficult to solve in combination with the actual use, and therefore, in order to solve the technical problem, the fixing assembly 2 and the sealing assembly 3 are added on the file of the application.

According to the above, in order to prevent the pipe 4 from falling off, the fixing assembly 2 is mounted outside the main body 1; the fixing assembly 2 comprises a nut 201 which is spirally connected to the surface of the main body 1, a push block 202 which is lapped on the surface of the nut 201, and a top plate 203 which is rotatably connected in a groove formed in the surface of the main body 1 through a rotating shaft 204, wherein the push block 202 is slidably connected in a sliding groove formed in the surface of the main body 1, the push block 202 is slidably connected with the top plate 203, and a partition plate 206 is arranged in the main body 1.

In this embodiment: during installation, two pipes 4 are inserted into the main body 1 respectively, then the two nuts 201 on the outer side of the main body 1 are rotated respectively, so that the nuts 201 move towards two directions respectively through reverse threads arranged on the surface of the main body 1, the nuts 201 drive the push block 202 to move on the inclined plane of the top plate 203, the top plate 203 is pushed, the top plate 203 is rotated in a groove formed in the surface of the main body 1, the clamping strips 207 on the top plate 203 are clamped on the surface of the pipes 4, the pipes 4 are prevented from falling off, and the stability of assembly between the pipes 4 is improved.

In an alternative embodiment: the clamping strip 207 is mounted on one side surface of the top plate 203 close to the main body 1, and the clamping strip 207 is abutted against the surface of the pipe 4.

In this embodiment: through the clamping strip 207 on the top plate 203, the pipe 4 can be limited, the pipe 4 and the main body 1 can be effectively prevented from falling off, and the pipe 4 is more firmly installed.

In an alternative embodiment: the outside cover of pivot 204 is equipped with torsional spring 205, and the one end and the roof 203 of torsional spring 205 peg graft mutually, and the other end of torsional spring 205 peg graft in main part 1.

In this embodiment: when the top plate 203 rotates, the torsion spring 205 is extruded, and when the pipe needs to be disassembled, the torsion spring 205 automatically rebounds, so that the clamping strip 207 is separated from the pipe 4, and then the pipe 4 is taken out of the main body 1.

According to the above, in order to prevent leakage when the pipe 4 is connected, the sealing assembly 3 is mounted in the main body 1, the sealing assembly 3 includes two connecting pipes 301 slidably connected in the slide holes formed in the surface of the partition 206, a top pipe 302 slidably connected to the outside of the connecting pipes 301, and a sealing ring 303 sleeved to the outside of the connecting pipes 301, the top pipe 302 is symmetrically mounted on the surface of the partition 206, the top pipe 302 abuts against the sealing ring 303, and the sealing ring 303 abuts against the pipe 4.

In this embodiment: after the pipe 4 is inserted into the main body 1, one end of the pipe 4 is abutted against the rubber pad 305 on the surface of the top ring 304, then the pipe 4 is made to push the top ring 304, the top ring 304 drives the connecting pipe 301 to slide in sliding grooves formed in two sides of the partition 206 and the top pipe 302, so that the connecting pipe 301 moves downwards, the conical structure above the connecting pipe 301 and the top pipe 302 jointly extrude the sealing gasket in the moving process, the sealing gasket is tightly attached to the pipe 4, water or liquid is prevented from leaking from the pipe 4, and the two pipes 4 can be communicated through the corrugated rubber pipes 306 on the two connecting pipes 301, so that the liquid can circulate.

In an alternative embodiment: the surface mounting of connecting pipe 301 has top ring 304, and top ring 304 sliding connection is in the spout of top tube 302 surface seting up, and top ring 304 surface mounting has cushion 305, and cushion 305 butt is in the one end of tubular product 4.

In this embodiment: the pipe 4 can be secondarily sealed through the rubber pad 305, and the sealing effect is improved.

In an alternative embodiment: the same corrugated rubber tube 306 is commonly installed on the adjacent sides of the two connecting tubes 301.

In this embodiment: the connecting pipe 301 can be deformed during movement through the corrugated pipe, so that the installation difficulty is reduced.

In an alternative embodiment: the surface of the push block 202 is provided with an inclined surface matched with the top plate 203.

In this embodiment: through the inclined planes of the push block 202 and the surface of the top plate 203, the top plate 203 can be pushed, and the top plate 203 rotates in the groove formed in the surface of the main body 1 through the rotating shaft 204, so that the pipe 4 is limited.

The working principle and the using flow of the utility model are as follows: during installation, two pipes 4 are respectively inserted into the main body 1, then the two nuts 201 on the outer side of the main body 1 are respectively rotated, the nuts 201 are respectively moved to two directions through reverse threads arranged on the surface of the main body 1, so that the nuts 201 drive the push block 202 to move on the inclined plane of the top plate 203, the top plate 203 is pushed, the top plate 203 is rotated in a groove formed on the surface of the main body 1, the clamping strips 207 on the top plate 203 are clamped on the surface of the pipe 4, the pipe 4 is prevented from falling off, the stability of splicing among the pipes 4 is improved, the top plate 203 can squeeze the torsion spring 205 when rotating, when the pipe 4 needs to be disassembled, the clamping strips 207 are automatically rebounded through the torsion spring 205, the pipe 4 is taken out from the main body 1, the top plate 203 can be pushed through the inclined plane matched with the surface of the top plate 203, the top plate 203 is rotated in the groove formed on the surface of the main body 1 through the rotating shaft 204, therefore, the pipe 4 is limited, after the pipe 4 is inserted into the main body 1, one end of the pipe 4 is abutted against the rubber pad 305 on the surface of the top ring 304, then the pipe 4 is made to push the top ring 304, the top ring 304 drives the connecting pipe 301 to slide in the sliding grooves formed on the two sides of the partition 206 and the top pipe 302, so that the connecting pipe 301 moves downwards, the conical structure above the connecting pipe 301 and the top pipe 302 jointly squeeze the sealing gasket in the moving process, the sealing gasket is tightly attached with the pipe 4, thereby preventing water or liquid from leaking from the pipe 4, and the two pipes 4 can be communicated through the corrugated rubber pipes 306 on the two connecting pipes 301, so that liquid can circulate, the pipe 4 can be secondarily sealed through the rubber pad 305, the sealing effect is improved, the top plate 203 can be pushed through the matched inclined surfaces of the push block 202 and the top plate 203, the top plate 203 rotates in a groove formed in the surface of the main body 1 through the rotating shaft 204, so that the pipe 4 is limited.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Joint sealing device, including main part (1) and peg graft tubular product (4) in main part (1), its characterized in that: the fixing assembly (2) is arranged outside the main body (1);

The fixing assembly (2) comprises a nut (201) which is in threaded connection with the surface of the main body (1), a push block (202) which is in lap joint with the surface of the nut (201) and a top plate (203) which is in rotary connection with a groove formed in the surface of the main body (1) through a rotary shaft (204), the push block (202) is in sliding connection with the surface of the main body (1) in a sliding groove formed in the surface of the main body (1), the push block (202) is in sliding connection with the top plate (203), and a partition plate (206) is arranged in the main body (1).

2. The joint sealing device according to claim 1, wherein: a clamping strip (207) is arranged on the surface of one side, close to the main body (1), of the top plate (203), and the clamping strip (207) is abutted to the surface of the pipe (4).

3. The joint sealing device according to claim 1, wherein: the torsion spring (205) is sleeved on the outer side of the rotating shaft (204), one end of the torsion spring (205) is inserted into the top plate (203), and the other end of the torsion spring (205) is inserted into the main body (1).

4. The joint sealing device according to claim 1, wherein: the sealing device is characterized by further comprising a sealing assembly (3) arranged in the main body (1), wherein the sealing assembly (3) comprises two connecting pipes (301) which are connected in a sliding hole formed in the surface of the partition board (206) in a sliding mode, a jacking pipe (302) which is connected to the outer side of the connecting pipe (301) in a sliding mode, and a sealing ring (303) which is sleeved on the outer side of the connecting pipe (301), the jacking pipe (302) is symmetrically arranged on the surface of the partition board (206), the jacking pipe (302) is abutted to the sealing ring (303), and the sealing ring (303) is abutted to the pipe (4).

5. The joint sealing device of claim 4, wherein: the surface mounting of connecting pipe (301) has top ring (304), top ring (304) sliding connection is in the spout that push pipe (302) surface was seted up, top ring (304) surface mounting has cushion (305), cushion (305) butt is in one end of tubular product (4).

6. The joint sealing device of claim 4, wherein: the same corrugated rubber tube (306) is commonly arranged on one side of the two connecting tubes (301) adjacent to each other.

7. The joint sealing device according to claim 1, wherein: the surface of the pushing block (202) is provided with an inclined plane matched with the top plate (203).