CN219571150U

CN219571150U - Casing sealing joint

Info

Publication number: CN219571150U
Application number: CN202321272883.2U
Authority: CN
Inventors: 杨庆兆; 谢军; 陶银明; 李明飞
Original assignee: Jianhu Jielin Petrochemical Machinery Co ltd
Current assignee: Jianhu Jielin Petrochemical Machinery Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-08-22
Anticipated expiration: 2033-05-24

Abstract

The utility model belongs to the technical field of casing joints, in particular to a casing sealing joint which comprises a casing and a base, wherein a pair of first thread grooves which are horizontally symmetrical with respect to the casing are formed in the inner wall of the casing; the inner wall of the sleeve is provided with a pair of inner pipes which are horizontally symmetrical with the sleeve; the side wall of the inner tube is provided with a first thread which is matched with the first thread groove; the side wall of the end part of the inner tube is fixedly connected with a flexible ring belt, and one end of the flexible ring belt is fixedly connected with the other inner tube; the utility model provides a sleeve sealing joint, which solves the problems that when a sleeve joint is installed on two pipelines, the distance between two pipeline ports is too short, so that the sleeve joint cannot be installed, a short pipeline is required to be matched with the sleeve joint, or the distance between the two pipeline ports is too long, and the sleeve joint cannot be installed due to insufficient length.

Description

Casing sealing joint

Technical Field

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

Background

The sleeve joint is a short pipe with a slightly larger diameter, one end of the short pipe is sleeved at the end part of a pipeline to be connected, and the other end of the short pipe is sleeved on the other pipeline, so that the two pipelines are communicated, and the sleeve joint is widely applied to industries such as construction, petroleum, chemical industry, gold treatment, pharmacy, instruments and meters, mechanical parts, electric power and the like.

In the prior art, when installing the casing joint to two pipelines, the distance between two pipeline ports is too short, so that the casing joint cannot be installed, the pipeline needs to be cut down to be matched with the casing joint, or the distance between two pipeline ports is too long, and the casing joint cannot be installed due to insufficient length.

To this end, the present utility model provides a casing sealing joint.

Disclosure of Invention

In order to make up the deficiency of the prior art, solve two pipelines and install the sleeve joint, often can appear the too short distance between two pipeline ports, cause the sleeve joint unable to install, need cut short pipeline and sleeve joint to cooperate, or the distance between two pipeline ports is overlength, the sleeve joint length is insufficient to cause the problem of unable condition of installation, the utility model provides a sleeve sealing joint.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a sleeve sealing joint, which comprises a sleeve and a base, wherein a pair of first thread grooves which are horizontally symmetrical with respect to the sleeve are formed in the inner wall of the sleeve; the inner wall of the sleeve is provided with a pair of inner pipes which are horizontally symmetrical with the sleeve; the side wall of the inner tube is provided with a first thread which is matched with the first thread groove; the side wall of the end part of the inner tube is fixedly connected with a flexible ring belt, and one end of the flexible ring belt is fixedly connected with the other inner tube.

Preferably, the side wall of the inner tube is provided with a sleeve; the inner wall of the sleeve is provided with a second thread groove; the side wall of the inner tube is provided with a second thread which is matched with the second thread groove; the side wall of the sleeve is provided with an annular groove; and a third thread groove is formed in the inner wall of the annular groove.

Preferably, the side wall of the annular groove is fixedly connected with an annular air bag pad; the annular air bag pad roof has seted up the trachea, and the trachea stretches out sleeve lateral wall.

Preferably, the inner wall of the air pipe is provided with an annular cavity; the bottom wall of the annular cavity is fixedly connected with a spring; the top of the spring is fixedly connected with an air valve disc; the end part of the air pipe is connected with a cap in a threaded manner;

preferably, the periphery of the top wall of the base is fixedly connected with a first hydraulic telescopic rod; the top of the first hydraulic telescopic rod is fixedly connected with a supporting block; the worm is rotationally connected with the supporting block, and two ends of the worm are respectively rotationally connected with the supporting blocks at symmetrical positions; the end part of the worm is fixedly connected with a turntable; the outer side wall of the sleeve is fixedly connected with a turbine, and the turbine is meshed with the worm; the center of the top of the base is fixedly connected with a second hydraulic telescopic rod; and the top of the second hydraulic telescopic rod is fixedly connected with a supporting ring, and the inner wall of the supporting ring is attached to the outer wall of the sleeve.

Preferably, the end part of the inner tube is provided with an inclined plane.

The beneficial effects of the utility model are as follows:

1. according to the sleeve sealing joint, the inner pipe is stretched into the pipeline to be connected, the outer wall of the inner pipe is attached to the inside of the pipeline, the inner pipe is connected with the outer wall of the pipeline in a threaded fit manner through the rotary sleeve, and the condition that the inner pipe cannot be installed due to the fact that the distance between the two pipelines is too short or too long can be further avoided.

2. According to the sleeve sealing joint, the inner wall of the supporting ring is attached to the outer wall of the sleeve, the sleeve is lifted to the required position through the second hydraulic telescopic rod, the situation that the inner diameter of the sleeve cannot be lifted or lifting equipment is required due to large manpower is avoided, practicability is improved, the sleeve cannot be rotated due to the fact that the pipeline cannot be rotated after being installed, the sleeve is driven to rotate through the rotating worm, the sleeve rotates to move forwards through the cooperation of the second thread groove and the second thread, the third thread groove of the inner wall of the sleeve is connected with the pipeline connector through threads, and the situation that the sleeve cannot be installed due to the fact that the sleeve cannot be directly rotated due to large manpower in the inner diameter of the sleeve is avoided, so that installation is more convenient.

Drawings

The utility model is further described below with reference to the accompanying drawings.

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

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a partial cross-sectional view of the present utility model;

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

fig. 5 is an enlarged view of the trachea in the present utility model.

In the figure: 1. a sleeve; 2. a base; 3. a first thread groove; 4. an inner tube; 5. a first thread; 6. a sleeve; 7. a second thread groove; 8. a second thread; 9. an annular groove; 10. a third thread groove; 11. an annular airbag cushion; 12. an air pipe; 13. capping; 14. an annular cavity; 15. a spring; 16. a gas valve disc; 17. a first hydraulic telescoping rod; 18. a support block; 19. a worm; 20. a turntable; 23. a turbine; 24. a second hydraulic telescoping rod; 25. a support ring; 26. a flexible loop belt.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 5, the sleeve sealing joint of the present utility model comprises a sleeve 1 and a base 2, wherein a pair of first thread grooves 3 which are horizontally symmetrical with respect to the sleeve 1 are formed on the inner wall of the sleeve 1; the inner wall of the sleeve 1 is provided with a pair of inner pipes 4 which are horizontally symmetrical with respect to the sleeve 1; the side wall of the inner tube 4 is provided with a first thread 5, and the first thread 5 is matched with the first thread groove 3; the side wall of the end part of the inner tube 4 is fixedly connected with a flexible ring belt 26, and one end of the flexible ring belt 26 is fixedly connected with the other inner tube 4; when the sleeve 1 joint is directly installed on two pipelines in operation, as the sleeve 1 is in threaded connection with the two inner pipes 4, the length of the sleeve 1 joint can be adjusted by rotating the inner pipes 4, and the problem that the two pipelines cannot be installed due to the fact that the direct distance between the two pipelines is too long or too short is avoided.

The side wall of the inner tube 4 is provided with a sleeve 6; the inner wall of the sleeve 6 is provided with a second thread groove 7; the side wall of the inner tube 4 is provided with a second thread 8, and the second thread 8 is matched with the second thread groove 7; the side wall of the sleeve 6 is provided with an annular groove 9; a third thread groove 10 is formed in the inner wall of the annular groove 9; during operation, stretch into the pipeline that needs to be connected with inner tube 4 in, inner tube 4 outer wall and the inside laminating of pipeline, through the screw-fit connection of rotatory sleeve 6 and pipeline outer wall, thereby can further avoid because two pipelines direct distance is too short or overlength leads to the condition that can't install through the length of the distance in the inner tube 4 stretches into the pipeline.

The side wall of the annular groove 9 is fixedly connected with an annular air bag pad 11; the top wall of the annular air bag pad 11 is provided with an air pipe 12, and the air pipe 12 extends out of the side wall of the sleeve 6; when in work, the sleeve 6 and the inner pipe 4 are matched and connected with the outer wall of the pipeline; the annular air bag cushion 11 is inflated through the port of the air pipe 12, so that the pipeline is directly and tightly attached to the sleeve 6 and the inner pipe 4, the leakage is avoided, and the tightness is enhanced.

The inner wall of the air pipe 12 is provided with an annular cavity 14; the bottom wall of the annular cavity 14 is fixedly connected with a spring 15; the top of the spring 15 is fixedly connected with an air valve disc 16; the end part of the air pipe 12 is connected with a cap 13 in a threaded manner; when the annular air bag cushion 11 is inflated, when high-pressure air flow enters the annular cavity 14, the air valve disc 16 moves downwards, air flow enters the annular air bag cushion 11 from the periphery, when the inflation is stopped, the spring 15 elastic force pushes the air valve disc 16 against the top port of the annular cavity 14, and meanwhile, the air valve disc 16 is pushed against the top port of the annular cavity 14 by force generated when the air flow in the annular air bag cushion 11 flows back into the annular cavity 14, so that the sealing effect is prevented from being deteriorated due to air loss of the annular air bag cushion 11.

The periphery of the top wall of the base 2 is fixedly connected with a first hydraulic telescopic rod 17; the top of the first hydraulic telescopic rod 17 is fixedly connected with a supporting block 18; the support block 18 is rotationally connected with a worm 19, and two ends of the worm 19 are respectively rotationally connected with the support block 18 at symmetrical positions; the end part of the worm 19 is fixedly connected with a turntable 20; the outer side wall of the sleeve 6 is fixedly connected with a turbine 23, and the turbine 23 is meshed with the worm 19; a second hydraulic telescopic rod 24 is fixedly connected to the center of the top of the base 2; a supporting ring 25 is fixedly connected to the top of the second hydraulic telescopic rod 24, and the inner wall of the supporting ring 25 is attached to the outer wall of the sleeve 1; during operation, with support ring 25 inner wall and laminating of sleeve pipe 1 outer wall, rise sleeve pipe 1 to the position of needs through second hydraulic telescoping rod 24, avoid because the great manpower of sleeve pipe 1 internal diameter can't rise or need lift by crane the condition of equipment, increased the practicality, because unable rotation after the pipeline is installed, it is rotatory to drive sleeve 6 through rotatory worm 19, sleeve 6 is rotatory makes sleeve pipe 1 rotatory the antedisplacement through the cooperation of second thread groove 7 with second thread 8, thereby make the third thread groove 10 and the pipeline interface threaded connection of sleeve 6 inner wall, also can avoid because the great manpower of sleeve pipe 1 internal diameter can't directly rotate sleeve pipe 6 and lead to unable installation's condition, make the installation more convenient.

The end part of the inner tube 4 is provided with an inclined plane; during operation, the end part is inclined, so that the outer wall of the inner pipe 4 stretches into the pipeline smoothly and conveniently, and the convenience of installation is improved.

Working principle: when the sleeve 1 joint is directly installed on two pipelines, as the sleeve 1 is in threaded connection with the two inner pipes 4, the length of the sleeve 1 joint can be adjusted by rotating the inner pipes 4, so that the problem that the two pipelines cannot be installed due to too long or too short direct distance is avoided; the inner pipe 4 is stretched into a pipeline to be connected, the outer wall of the inner pipe 4 is attached to the inside of the pipeline, the inner pipe 4 is connected with the outer wall of the pipeline in a threaded fit manner through the rotary sleeve 6, and the condition that the inner pipe 4 cannot be installed due to the fact that the direct distance between the two pipelines is too short or too long can be further avoided; the sleeve 6 and the inner pipe 4 are matched and connected with the outer wall of the pipeline; the annular air bag cushion 11 is inflated through the port of the air pipe 12, so that the pipeline is directly and tightly attached to the sleeve 6 and the inner pipe 4, the leakage is avoided, and the tightness is enhanced; when the annular air bag cushion 11 is inflated, when high-pressure air flow enters the annular cavity 14, the air valve disc 16 moves downwards by the high-pressure air flow, the air flow enters the annular air bag cushion 11 from the periphery, when the inflation is stopped, the air valve disc 16 is propped against the top port of the annular cavity 14 by the elasticity of the spring 15, and meanwhile, the air valve disc 16 is propped against the top port of the annular cavity 14 by the force generated when the air flow in the annular air bag cushion 11 flows back into the annular cavity 14, so that the sealing effect is prevented from being deteriorated due to the loss of the air of the annular air bag cushion 11; the inner wall of the supporting ring 25 is attached to the outer wall of the sleeve 1, the sleeve 1 is lifted to a required position through the second hydraulic telescopic rod 24, the situation that lifting equipment cannot be lifted or is required due to the fact that the inner diameter of the sleeve 1 is large is avoided, practicability is improved, the sleeve 6 is driven to rotate through the rotating worm 19 after the pipeline is installed, the sleeve 6 rotates to enable the sleeve 1 to move forwards through the cooperation of the second thread 8 groove 7 and the second thread 8, the third thread groove 10 on the inner wall of the sleeve 6 is connected with the pipeline interface in a threaded mode, the situation that the sleeve 6 cannot be installed due to the fact that the inner diameter of the sleeve 1 is large and the sleeve 6 cannot be directly rotated due to the fact that the inner diameter of the sleeve 1 is large can be avoided, and installation is convenient; because the end is inclined, the outer wall of the inner pipe 4 stretches into the pipeline more smoothly and conveniently, and the convenience of installation is improved.

The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The sleeve sealing joint is characterized by comprising a sleeve (1) and a base (2), wherein a pair of first thread grooves (3) which are horizontally symmetrical with respect to the sleeve (1) are formed in the inner wall of the sleeve (1); the inner wall of the sleeve (1) is provided with a pair of inner pipes (4) which are horizontally symmetrical relative to the sleeve (1); the side wall of the inner tube (4) is provided with a first thread (5), and the first thread (5) is matched with the first thread groove (3); the side wall of the end part of the inner tube (4) is fixedly connected with a flexible ring belt (26), and one end of the flexible ring belt (26) is fixedly connected with the other inner tube (4).

2. A casing sealing joint according to claim 1, characterized in that the side wall of the inner tube (4) is provided with a sleeve (6); a second thread groove (7) is formed in the inner wall of the sleeve (6); the side wall of the inner tube (4) is provided with a second thread (8), and the second thread (8) is matched with the second thread groove (7); an annular groove (9) is formed in the side wall of the sleeve (6); a third thread groove (10) is formed in the inner wall of the annular groove (9).

3. A sleeve sealing joint according to claim 2, characterized in that the side wall of the annular groove (9) is fixedly connected with an annular air bag pad (11); the top wall of the annular air bag cushion (11) is provided with an air pipe (12), and the air pipe (12) extends out of the side wall of the sleeve (6).

4. A casing sealing joint according to claim 3, wherein the inner wall of the air pipe (12) is provided with an annular cavity (14); a spring (15) is fixedly connected to the bottom wall of the annular cavity (14); the top of the spring (15) is fixedly connected with an air valve disc (16); the end part of the air pipe (12) is connected with a cap (13) in a threaded manner.

5. The sleeve sealing joint according to claim 4, wherein the periphery of the top wall of the base (2) is fixedly connected with a first hydraulic telescopic rod (17); a supporting block (18) is fixedly connected to the top of the first hydraulic telescopic rod (17); the support block (18) is rotationally connected with a worm (19), and two ends of the worm (19) are respectively rotationally connected with the support blocks (18) at symmetrical positions; a turntable (20) is fixedly connected to the end part of the worm (19); the outer side wall of the sleeve (6) is fixedly connected with a turbine (23), and the turbine (23) is meshed with the worm (19); a second hydraulic telescopic rod (24) is fixedly connected to the center of the top of the base (2); and the top of the second hydraulic telescopic rod (24) is fixedly connected with a supporting ring (25), and the inner wall of the supporting ring (25) is attached to the outer wall of the sleeve (1).

6. A casing sealing joint according to claim 5, characterized in that the inner tube (4) ends are beveled.