CN217030322U

CN217030322U - Pipeline connector with good sealing performance

Info

Publication number: CN217030322U
Application number: CN202220894128.7U
Authority: CN
Inventors: 王建辉; 王令飞; 程志伟; 武群
Original assignee: Tianjin Tianshi Sealing Leak Under Pressure Co ltd
Current assignee: Tianjin Tianshi Sealing Leak Under Pressure Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-22
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a pipeline connecting piece with good sealing performance, which comprises a first connecting pipe and a second connecting pipe, wherein a sealing assembly is movably arranged at one end of the opposite surface of the first connecting pipe and the second connecting pipe; the sealing assembly comprises a sealing pipe, the sealing pipe is movably arranged at one end of the opposite surface of the first connecting pipe and the second connecting pipe, and a communicating hole is formed in the middle of the sealing pipe. According to the utility model, when the first connecting pipe and the second connecting pipe are positioned at two ends of the sealing pipe to extrude the rubber gasket, the rubber gasket can be better tightly attached to one end of the first connecting pipe and one end of the second connecting pipe under pressure to realize sealing, after the sealing operation is completed, the movable ring is moved to the position of the regular polygon column, and the limiting hole is movably inserted with the surface of the regular polygon column, so that the regular polygon column is limited, namely the threaded rod is prevented from rotating, and the situation that the threaded rod loosens and reversely rotates to cause the reduction of the sealing property is avoided.

Description

Pipeline connector with good sealing performance

Technical Field

The utility model relates to the technical field of pipeline sealing, in particular to a pipeline connecting piece with good sealing performance.

Background

The pipe connector is widely applied to various pipe systems such as water supply, heat supply, gas supply, oil supply and the like, is mainly used for changing the direction of fluid and is usually used in branch pipes of a main pipe.

However, in the prior art, in actual use, the pipeline connection is mostly installed in a bolt mode, and when the bolt installation mode is used in some vibration environments, the bolt loosening can be caused due to vibration, so that the sealing performance of the pipeline connection is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline connecting piece with good sealing performance so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the sealing device comprises a first connecting pipe and a second connecting pipe, wherein a sealing component is movably arranged at one end of the opposite surfaces of the first connecting pipe and the second connecting pipe;

the sealing assembly comprises a sealing pipe which is movably arranged at one end of the opposite surfaces of the first connecting pipe and the second connecting pipe, the middle part of the sealing tube is provided with a communicating hole, two ends of the sealing tube are respectively and fixedly connected with a rubber pad, the surface of the first connecting pipe is fixedly connected with a first fixing ring, the surface of the sealing pipe is fixedly connected with a second fixing ring, the surface of the second connecting pipe is fixedly connected with a third fixing ring, and the middle parts of the first fixing ring, the second fixing ring and the third fixing ring are respectively movably penetrated with a threaded rod, the surface of the threaded rod is connected with a nut in a threaded manner, one end of the threaded rod, which is far away from the first fixed ring, is movably provided with a movable ring, and the movable ring is movably sleeved on the surface of the second connecting pipe, a limiting hole is formed in the middle of the position, corresponding to the threaded rod, of the movable ring, and the inner wall of the limiting hole is movably connected with the surface of the regular polygonal column in an inserting mode.

Preferably, the thickness of first connecting pipe and second connecting pipe lateral wall equals, the thickness of sealed tube lateral wall is greater than the thickness of first connecting pipe and second connecting pipe lateral wall, the recess has respectively been seted up to the one end of the corresponding first connecting pipe of sealed tube and second connecting pipe position equally divide, and the one end of first connecting pipe and second connecting pipe opposite face closely laminates with the inner wall of sealed tube both ends recess respectively, the inside of intercommunicating pore is in non-full state.

Preferably, the holding tank has been seted up to the one end that the second retainer ring position was kept away from to the solid fixed ring of third, and nut swing joint is at the inner wall of holding tank, the surface of nut and the inner wall of holding tank are equallyd divide and are do not be regular polygon structure.

Preferably, the size of the limiting hole is matched with that of the regular polygon column, and the limiting hole is of a regular polygon structure.

Preferably, a locking hole is formed in the middle of the movable ring, a fixed ring is fixedly connected to the surface of the second connecting pipe, and the fixed ring is located at one end, far away from the third fixed ring, of the movable ring.

Preferably, one end of the fixed ring corresponding to the locking hole is fixedly connected with the locking hook and the damping spring respectively, and the damping spring is fixedly connected with one end of the movable ring.

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

1. according to the utility model, when the first connecting pipe and the second connecting pipe are positioned at two ends of the sealing pipe to extrude the rubber gasket, the rubber gasket can be better tightly attached to one end of the first connecting pipe and one end of the second connecting pipe under pressure to realize sealing, after the sealing operation is completed, the movable ring is moved to the position of the regular polygon column, and the limiting hole is movably inserted with the surface of the regular polygon column, so that the regular polygon column is limited, namely the threaded rod is prevented from rotating, and the situation that the sealing performance is reduced due to the fact that the threaded rod is loosened and reversely rotated is avoided;

2. the sealing assembly can be disassembled by moving the movable ring to one end of the fixed ring, compressing the damping spring and hooking the locking hole by the locking hook, so that the movable ring cannot move, reversely rotating the threaded rod at the moment and separating the threaded rod from the nut, and when the locking hole and the locking hook need to be separated, only slightly applying pressure to the movable ring to bend the locking hook, so that the movable ring can move to one end far away from the position of the fixed ring under the action of resetting and stretching of the damping spring.

Drawings

FIG. 1 is a front sectional view of the overall structure of a pipe joint of the present invention with good sealing performance;

FIG. 2 is an enlarged view of the structure A in FIG. 1 of the pipe joint according to the present invention;

fig. 3 is a front view showing the overall structure of a pipe joint according to the present invention.

In the figure: 1. a first connecting pipe; 2. a second connection pipe; 3. sealing the tube; 4. a communicating hole; 5. a rubber pad; 6. a first retaining ring; 7. a second fixing ring; 8. a third fixing ring; 9. accommodating a tank; 10. a nut; 11. a threaded rod; 12. a regular polygonal column; 13. a movable ring; 14. a limiting hole; 15. a locking hole; 16. a fixed ring; 17. a locking hook; 18. a damping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the sealing device comprises a first connecting pipe 1 and a second connecting pipe 2, wherein a sealing component is movably arranged at one end of the opposite surfaces of the first connecting pipe 1 and the second connecting pipe 2;

the sealing assembly comprises a sealing pipe 3, the sealing pipe 3 is movably arranged at one end of the opposite surface of a first connecting pipe 1 and a second connecting pipe 2, a communicating hole 4 is formed in the middle of the sealing pipe 3, rubber pads 5 are respectively and fixedly arranged at two ends of the sealing pipe 3, a first fixing ring 6 is fixedly arranged on the surface of the first connecting pipe 1, a second fixing ring 7 is fixedly arranged on the surface of the sealing pipe 3, a third fixing ring 8 is fixedly arranged on the surface of the second connecting pipe 2, threaded rods 11 respectively and movably penetrate through the middle parts of the first fixing ring 6, the second fixing ring 7 and the third fixing ring 8, nuts 10 are connected to the surface of the threaded rods 11 in a threaded manner, movable rings 13 are movably arranged at one ends of the threaded rods 11 far away from the position of the first fixing ring 6, the movable rings 13 are movably sleeved on the surface of the second connecting pipe 2, and limit holes 14 are formed in the middle parts of the movable rings 13 corresponding to the positions of the threaded rods 11, and the inner wall of the limiting hole 14 is movably inserted with the surface of the regular polygon column 12.

The thickness of the side walls of the first connecting pipe 1 and the second connecting pipe 2 is equal, the thickness of the side wall of the sealing pipe 3 is larger than the thickness of the side walls of the first connecting pipe 1 and the second connecting pipe 2, one end of the corresponding first connecting pipe 1 and the second connecting pipe 2 of the sealing pipe 3 is equally divided into two grooves, one end of the opposite surface of the first connecting pipe 1 and the second connecting pipe 2 is tightly attached to the inner wall of the groove at the two ends of the sealing pipe 3 respectively, and the inside of the communicating hole 4 is in a non-full state.

Holding tank 9 has been seted up to the one end that solid fixed ring 8 of third kept away from the solid fixed ring 7 position of second, and nut 10 swing joint is at the inner wall of holding tank 9, and the surface of nut 10 and the inner wall of holding tank 9 are equallyd divide and are respectively regular polygon structure for when nut 10 is located the inner wall of holding tank 9, can prevent that nut 10 from rotating, and then make threaded rod 11 can carry out threaded connection with nut 10 better.

The size of the limiting hole 14 is matched with the size of the regular polygon column 12, and the limiting hole 14 is of a regular polygon structure, so that when the regular polygon column 12 is inserted into the inner wall of the limiting hole 14, the limiting hole 14 can prevent the regular polygon column 12 from rotating.

The middle part of the movable ring 13 is provided with a locking hole 15, the surface of the second connecting pipe 2 is fixedly provided with a fixed ring 16, and the fixed ring 16 is positioned at one end of the movable ring 13 far away from the position of the third fixed ring 8.

One end of the fixed ring 16 corresponding to the position of the locking hole 15 is respectively and fixedly provided with a locking hook 17 and a damping spring 18, and the damping spring 18 is fixedly arranged at one end of the movable ring 13, so that when the movable ring 13 moves to the position of the locking hook 17, the damping spring 18 can be compressed, the locking hole 15 can be hooked by the locking hook 17, further, the movable ring 13 cannot move, when the locking hole 15 is required to be separated from the locking hook 17, only slight pressure needs to be applied to the movable ring 13, the locking hook 17 is bent, at the moment, under the action of resetting and stretching of the damping spring 18, the movable ring 13 can move towards one end far away from the position of the fixed ring 16.

The working principle is as follows: when in use, the utility model makes the threaded rod 11 respectively penetrate through the first fixing ring 6, the second fixing ring 7 and the third fixing ring 8 when the first connecting pipe 1 and the second connecting pipe 2 are positioned at two ends of the sealing pipe 3, and the nut 10 is arranged on the inner wall of the accommodating groove 9, at this time, under the action of the regular polygon of the accommodating groove 9, the nut 10 can not rotate, then the threaded rod 11 is rotated, and the threaded rod 11 is matched with the nut 10 to drive the third fixing ring 8 to approach one end of the sealing pipe 3, because the first fixing ring 6 is blocked by the other end of the threaded rod 11, when the third fixing ring 8 drives the second connecting pipe 2 to approach one end of the sealing pipe 3, the connection between the first connecting pipe 1 and the second connecting pipe 2 can be more compact, because the inside of the communication hole 4 is in a non-full state, when the first connecting pipe 1 and the second connecting pipe 2 are positioned at two ends of the sealing pipe 3 to extrude the sealing pipe 3, the rubber pad 5 is extruded and drives the air pressure in the communicating hole 4 to increase, so that the rubber pad 5 can be better closely attached to one end of the first connecting pipe 1 and one end of the second connecting pipe 2 under the pressure, the sealing effect is realized, meanwhile, after the sealing operation is completed, the movable ring 13 is moved to the position of the regular polygonal column 12, the limiting hole 14 is movably inserted into the surface of the regular polygonal column 12, the threaded rod 11 is limited, namely, the rotation of the threaded rod 11 is prevented, the situation that the sealing performance is reduced due to the fact that the threaded rod 11 is loosened and reversely rotated is avoided, when the sealing assembly needs to be disassembled, by moving the movable ring 13 to one end of the fixed ring 16, the damping spring 18 is compressed, the locking hole 15 is hooked by the locking hook 17, the movable ring 13 can not be moved, and the threaded rod 11 is reversely rotated at the moment, make threaded rod 11 and nut 10 separation, can realize the dismantlement to seal assembly, and when needs were with locking hole 15 and locking hook 17 separation, only need apply pressure slightly to activity circle 13 for locking hook 17 is crooked, and under damping spring 18 tensile effect that resets this moment, can make activity circle 13 to the one end removal of keeping away from retainer plate 16 position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 pipe connection spare that leakproofness is good, includes first connecting pipe (1) and second connecting pipe (2), its characterized in that: one end of the opposite surface of the first connecting pipe (1) and the second connecting pipe (2) is movably provided with a sealing component;

the sealing assembly comprises a sealing pipe (3), the sealing pipe (3) is movably arranged at one end of the opposite surface of a first connecting pipe (1) and a second connecting pipe (2), a communicating hole (4) is formed in the middle of the sealing pipe (3), two ends of the sealing pipe (3) are respectively and fixedly connected with a rubber pad (5), a first fixing ring (6) is fixedly connected to the surface of the first connecting pipe (1), a second fixing ring (7) is fixedly connected to the surface of the sealing pipe (3), a third fixing ring (8) is fixedly connected to the surface of the second connecting pipe (2), a threaded rod (11) penetrates through the middle of the first fixing ring (6), the second fixing ring (7) and the third fixing ring (8) in a movable mode, a nut (10) is connected to the surface of the threaded rod (11), and a movable ring (13) is arranged at one end of the threaded rod (11) far away from the position of the first fixing ring (6), and the movable ring (13) is movably sleeved on the surface of the second connecting pipe (2), a limiting hole (14) is formed in the middle of the position, corresponding to the threaded rod (11), of the movable ring (13), and the inner wall of the limiting hole (14) is movably connected with the surface of the regular polygon column (12) in an inserting mode.

2. The pipe joint according to claim 1, wherein: the thickness of first connecting pipe (1) and second connecting pipe (2) lateral wall equals, the thickness of sealed tube (3) lateral wall is greater than the thickness of first connecting pipe (1) and second connecting pipe (2) lateral wall, the recess has respectively been seted up to the one end of sealed tube (3) corresponding first connecting pipe (1) and second connecting pipe (2) position equally divide, and the one end of first connecting pipe (1) and second connecting pipe (2) opposite face closely laminates with the inner wall of sealed tube (3) both ends recess respectively, the inside of intercommunicating pore (4) is in non-full state.

3. The pipe connecting piece with good sealing performance as claimed in claim 1, wherein: holding tank (9) have been seted up to the one end that solid fixed ring (7) position was kept away from to the second in third (8), and nut (10) swing joint is at the inner wall of holding tank (9), the surface of nut (10) and the inner wall of holding tank (9) are equallyd divide and are respectively regular polygon structure.

4. The pipe connecting piece with good sealing performance as claimed in claim 1, wherein: the size of the limiting hole (14) is matched with that of the regular polygon column (12), and the limiting hole (14) is of a regular polygon structure.

5. The pipe joint according to claim 1, wherein: locking hole (15) have been seted up at the middle part of activity circle (13), the fixed surface of second connecting pipe (2) is connected with retainer plate (16), and retainer plate (16) are located activity circle (13) and keep away from the one end that third solid fixed ring (8) put.

6. The pipe connecting piece with good sealing performance as claimed in claim 5, wherein: one end of the fixed ring (16) corresponding to the locking hole (15) is fixedly connected with a locking hook (17) and a damping spring (18) respectively, and the damping spring (18) is fixedly connected with one end of the movable ring (13).