CN214500383U

CN214500383U - Assembled pipeline connecting device

Info

Publication number: CN214500383U
Application number: CN202120772762.9U
Authority: CN
Inventors: 郐世龙; 孙龙飞; 金鑫; 董韦廷; 李程; 杨永明
Original assignee: China Construction Second Bureau Installation Engineering Co Ltd
Current assignee: China Construction Second Bureau Installation Engineering Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-10-26
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses an assembled pipe connection device, including first pipeline and second pipeline, the right-hand member of first pipeline is taken over through integral type fixedly connected with, and the left end of second pipeline is taken over through integral type fixedly connected with inner union coupling, and takes over the activity and cup joint the outside at inner union coupling outward, be provided with the sealing washer between the right-hand member of first pipeline and inner union coupling's the left end. The utility model discloses in, not only can carry out quick assembly connection between first pipeline and the second pipeline, assembly completion back elastic spring can produce the backstepping effect of elasticity moreover, can be so that between the external screw thread on lock nut and the connecting pin more inseparable of screw thread interlock, in case between two pipelines often lead to two pipe connection departments to appear the situation of leaking because of the not hard up slippage of screw thread after the screw thread assembly is accomplished, the long-time normal use of whole pipeline after the assembly has been ensured, and simple structure, and convenient for assemble and use.

Description

Assembled pipeline connecting device

Technical Field

The utility model relates to a pipe connection technical field especially relates to an assembled pipe connection device.

Background

The assembled pipeline is more and more concerned by people, the complexity of the pipeline construction process is reduced, welding is not needed in a construction site, and the pipeline system only needs assembling, so that the construction efficiency is greatly improved. For example, CN208519347U in the prior art discloses a thread assembly type pipe connection device, which includes a first pipe, a second pipe, a first positioning sleeve, a second positioning sleeve, a sealing ring, an inner thread, an outer thread, and a connection sleeve; the end part of the first pipeline or the second pipeline is provided with a sealing groove, and the sealing ring is arranged in the sealing groove; the assembly type pipeline connecting device is suitable for an assembly type high-pressure pipeline system; the structure is compact, the occupied space is small, and the device is suitable for small-caliber pipelines with limited operation space.

However, in the existing assembly type pipeline connecting device technology, after the assembly of the threads, leakage at the joint of two pipelines is often caused by loosening and slipping of the threads in the long-time use process, so that the sealing performance of the joint cannot be guaranteed, and the subsequent normal use of the whole pipeline is influenced. In view of this, the utility model provides an assembled pipe connection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an assembly type pipeline connecting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an assembled pipeline connecting device comprises a first pipeline and a second pipeline, wherein the right end of the first pipeline is fixedly connected with an external connecting pipe through an integral type, the left end of the second pipeline is fixedly connected with an internal connecting pipe through an integral type, the external connecting pipe is movably sleeved outside the internal connecting pipe, and a sealing ring is arranged between the right end of the first pipeline and the left end of the internal connecting pipe;

a first connecting ring is fixedly welded on the circumferential outer wall of the right end part of the first pipeline, a second connecting ring is fixedly welded on the circumferential outer wall of the left end part of the second pipeline, symmetrically arranged connecting pins are fixedly connected to one side, close to the second connecting ring, of the first connecting ring, the right end of each connecting pin movably penetrates through the right side of the second connecting ring, a locking nut is installed through threads, a cylindrical groove is formed in the left side of the second connecting ring, each connecting pin movably penetrates through the cylindrical groove, and an elastic spring sleeved on the corresponding connecting pin is arranged between the right side of the first connecting ring and the inner wall of the right side of the cylindrical groove; the right side of first go-between is equipped with the constant head tank, the left side fixedly connected with locating pin of second go-between, and the locating pin location is pegged graft in the constant head tank.

Furthermore, a plurality of balls are arranged on the right side of the second connecting ring in a rolling mode and are evenly arranged in an annular mode, and the left end face of the locking nut is abutted to the balls.

Further, a plurality of rolling grooves are formed in the right side of the second connecting ring, and the balls are installed in the rolling grooves in a rolling mode.

Furthermore, the outer wall of the circumference of the right end part of the connecting pin is provided with an external thread, and the connecting pin is in threaded connection with the locking nut through the external thread.

Furthermore, a through hole is formed in the inner wall of the right side of the cylindrical groove, and the connecting pin movably penetrates through the through hole.

Furthermore, an annular sealing gasket is arranged between the right end of the external connecting pipe and the left end face of the second pipeline.

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

in the utility model, when the first pipeline and the second pipeline need to be assembled and connected, the elastic spring is sleeved on the connecting pin, and the right end of the connecting pin penetrates through the right side of the second connecting ring and is locked and fixed with the external thread on the connecting pin through the locking nut; therefore, after the first pipeline and the second pipeline are assembled and connected, the elastic spring can generate elastic reaction, and the thread engagement between the locking nut and the external thread on the connecting pin can be tighter through the elastic reaction of the elastic spring, so that the situation that the joint of the two pipelines leaks due to loosening and slipping of the threads after the thread assembly between the two pipelines is often avoided;

to sum up, the utility model discloses in, not only can carry out quick assembly connection between first pipeline and the second pipeline, elastic spring can produce the backstepping effect of elasticity after the assembly is accomplished moreover, can be so that between the external screw thread on lock nut and the connecting pin the screw thread interlock more inseparable, prevent between two pipelines often because of the not hard up slippage of screw thread leads to two pipe connection departments to appear the situation of leaking after the screw assembly is accomplished between two pipelines, the leakproofness between two pipe connection departments has been ensured greatly, whole pipeline long-time normal use after the assembly has been ensured, and simple structure, convenient to assemble and use.

Drawings

Fig. 1 is a schematic structural diagram of an assembled pipe connection device according to the present invention;

fig. 2 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of a first pipeline according to the present invention;

fig. 4 is a schematic structural diagram of the second pipeline according to the present invention.

In the figure: the pipeline comprises a first pipeline 1, an external connecting pipe 11 and a sealing ring 12;

a second pipe 2, an inner nipple 21, an annular gasket 22;

the first connecting ring 3, a positioning groove 30, a connecting pin 31 and an external thread 32;

the second connection ring 4, the cylindrical groove 40, the through hole 41, the rolling groove 42, the ball 43, and the positioning pin 44; a lock nut 5; and an elastic spring 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, an assembly type pipeline connecting device comprises a first pipeline 1 and a second pipeline 2, wherein the right end of the first pipeline 1 is fixedly connected with an external connecting pipe 11 through an integral type, the left end of the second pipeline 2 is fixedly connected with an internal connecting pipe 21 through an integral type, the external connecting pipe 11 is movably sleeved outside the internal connecting pipe 21, and a sealing ring 12 is arranged between the right end of the first pipeline 1 and the left end of the internal connecting pipe 21;

a first connecting ring 3 is fixedly welded on the circumferential outer wall of the right end part of the first pipeline 1, a second connecting ring 4 is fixedly welded on the circumferential outer wall of the left end part of the second pipeline 2, one side, close to the second connecting ring 4, of the first connecting ring 3 is fixedly connected with symmetrically arranged connecting pins 31, the right ends of the connecting pins 31 movably penetrate through the right side of the second connecting ring 4 and are provided with locking nuts 5 through threads, a cylindrical groove 40 is formed in the left side of the second connecting ring 4, the connecting pins 31 movably penetrate through the cylindrical groove 40, and an elastic spring 6 sleeved on the connecting pins 31 is arranged between the right side of the first connecting ring 3 and the inner wall of the right side of the cylindrical groove 40; the right side of the first connecting ring 3 is provided with a positioning groove 30, the left side of the second connecting ring 4 is fixedly connected with a positioning pin 44, and the positioning pin 44 is positioned and inserted in the positioning groove 30. The utility model provides a pair of assembled pipe connection device, not only can carry out quick assembly connection between first pipeline 1 and the second pipeline 2, and assembly is accomplished back elastic spring 6 can produce the backstepping effect of elasticity, can make between the external screw thread 32 on lock nut 5 and the connecting pin 31 between the screw thread interlock inseparabler, prevent between two pipelines often because of the not hard up slippage of screw thread leads to two pipe connection departments to appear leaking the situation emergence after the screw assembly is accomplished, the leakproofness between two pipe connection departments has been ensured greatly, whole pipeline long-time normal use after the assembly has been ensured, and simple structure, and convenient assembly and use.

Specifically, a plurality of balls 43 are roll-mounted on the right side of the second connection ring 4, the balls 43 are uniformly arranged in an annular shape, and the left end surface of the lock nut 5 abuts against the balls 43.

Specifically, the right side of the second connection ring 4 is provided with a plurality of rolling grooves 42, and the balls 43 are roll-fitted in the rolling grooves 42.

Specifically, an external thread 32 is provided on the circumferential outer wall of the right end portion of the connecting pin 31, and the connecting pin 31 is threadedly connected to the lock nut 5 through the external thread 32.

Specifically, a through hole 41 is formed in the right inner wall of the cylindrical groove 40, and the connecting pin 31 movably penetrates through the through hole 41.

Specifically, an annular sealing gasket 22 is further arranged between the right end of the outer connecting pipe 11 and the left end face of the second pipeline 2.

The utility model provides a pair of assembled pipeline connecting device, when needing to carry out the erection joint to first pipeline 1 and second pipeline 2, establish elastic spring 6 cover on connecting pin 31 earlier, insert the interior takeover 21 of second pipeline 2 left end to the external takeover 11 of first pipeline 1 right-hand member in afterwards, place sealing washer 12 between the terminal surface of first pipeline 1 and interior takeover 21 simultaneously, annular sealing gasket 22 still places between external takeover 11 and second pipeline 2, insert locating pin 44 location in locating slot 30 simultaneously, and make the right-hand member of connecting pin 31 run through to the right side of second go-between 4 and carry out screw thread locking through locking nut 5 and external screw thread 32 on connecting pin 31 and fix can; like this after assembly connection accomplishes between first pipeline 1 and second pipeline 2, elastic spring 6 can produce the elastic reaction, elasticity backstepping effect through elastic spring 6, can make between the external screw thread 32 on lock nut 5 and the connecting pin 31 more inseparabler of screw thread interlock, prevent between two pipelines often because of the not hard up slippage of screw thread leads to two pipe connection departments to appear the situation of leaking after the screw thread assembly is accomplished, thereby can ensure the leakproofness between two pipe connection departments greatly, be favorable to guaranteeing long-time normal use behind the whole pipe assembly, and simple structure, and convenient assembly and use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An assembled pipeline connecting device comprises a first pipeline (1) and a second pipeline (2), and is characterized in that the right end of the first pipeline (1) is fixedly connected with an external connecting pipe (11) through an integral type, the left end of the second pipeline (2) is fixedly connected with an internal connecting pipe (21) through an integral type, the external connecting pipe (11) is movably sleeved outside the internal connecting pipe (21), and a sealing ring (12) is arranged between the right end of the first pipeline (1) and the left end of the internal connecting pipe (21);

the pipeline connecting structure comprises a first pipeline (1), a second pipeline (2), a locking nut (5), a cylindrical groove (40), a connecting pin (31), a first connecting ring (3), a second connecting ring (4), a connecting pin (31) and an elastic spring (6), wherein the first connecting ring (3) is fixedly welded on the circumferential outer wall of the right end of the first pipeline (1), the second connecting ring (4) is fixedly welded on the circumferential outer wall of the left end of the second pipeline (2), the connecting pin (31) is symmetrically arranged on one side, close to the second connecting ring (4), of the first connecting ring (3), the right end of the connecting pin (31) movably penetrates through the right side of the second connecting ring (4) and is provided with the locking nut (5) through threads, the cylindrical groove (40) is formed in the left side of the second connecting ring (4), the connecting pin (31) movably penetrates through the cylindrical groove (40), and the elastic spring (6) sleeved on the connecting pin (31) is arranged between the right side of the first connecting ring (3) and the inner wall of the cylindrical groove (40); the right side of the first connecting ring (3) is provided with a positioning groove (30), the left side of the second connecting ring (4) is fixedly connected with a positioning pin (44), and the positioning pin (44) is positioned and inserted in the positioning groove (30).

2. A fabricated pipe connecting device according to claim 1, wherein a plurality of balls (43) are roll-mounted on a right side of the second connecting ring (4), the plurality of balls (43) are uniformly arranged in a ring shape, and a left side end surface of the lock nut (5) is abutted against the balls (43).

3. A fabricated pipe connecting device according to claim 1, wherein the second connecting ring (4) is provided at a right side thereof with a rolling groove (42), and balls (43) are rollingly installed in the rolling groove (42).

4. A fabricated pipe connecting device according to claim 1, wherein the connecting pin (31) is provided with an external thread (32) on a circumferential outer wall of a right end portion thereof, and the connecting pin (31) is threadedly coupled with the lock nut (5) through the external thread (32).

5. The fitting type pipe connecting device according to claim 1, wherein a through hole (41) is formed on the right inner wall of the cylindrical groove (40), and the connecting pin (31) is movably inserted through the through hole (41).

6. The assembled pipe connecting device as claimed in claim 1, wherein an annular sealing gasket (22) is further arranged between the right end of the outer connecting pipe (11) and the left end face of the second pipe (2).