CN219413837U - Pipeline connecting device - Google Patents

Abstract

The utility model discloses a pipeline connecting device which comprises a device body, wherein the device body comprises a left sleeve head, a right sleeve head and a connecting piece, the left sleeve head and the right sleeve head are symmetrically arranged, the connecting piece is fixed between the left sleeve head and the right sleeve head, an external connecting pipe is inserted into the left sleeve head and the right sleeve head respectively, external threads are arranged on the left sleeve head and the right sleeve head, a movable piece is arranged on one side of the external threads, a fastening sleeve is screwed on the external threads, a conducting port is arranged on the inner side of the left sleeve head and the right sleeve head, a sphere is arranged on one side of the conducting port, and a pressure spring is arranged at the rear end of the sphere, so that sealing protection can be realized when the external connecting pipe is detached, the operation of workers is facilitated, the problems that medium leakage is difficult to clean or dangerous and the like when the external connecting pipe is detached can be realized, the stability of the external connecting pipe is improved, and the problems of external connecting pipe such as leakage of internal media or external dust entering are avoided.

Description

Pipeline connecting device

Technical Field

The utility model relates to a connecting device, in particular to a pipeline connecting device, and belongs to the technical field of pipeline connection.

Background

The existing low-pressure metal pipes are connected by adopting welding flanges, and the connecting mode is good in sealing effect, but has the defects of inconvenient operation, large occupied space of the flanges and low efficiency in the connecting process, and a few pipelines are connected by adopting a connecting device to connect two groups of pipelines so as to improve convenience.

The publication number is as follows in the prior art: the utility model patent of CN 209839387U proposes a pipe connecting device, which uses a cold connection mode, can complete the sealing connection of a pipe without heating, has no man-made quality problem caused by welding, does not need professional operation, but does not have the automatic sealing capability when the external pipe is detached, when the connection part of two groups of external pipes needs to be detached and overhauled, the connecting piece needs to be detached, at the moment, the liquid medium or the gas medium existing in the pipe can be directly leaked to the outside, if the medium has toxicity or corrosiveness, the toxicity or corrosiveness can cause injury and air pollution to workers, the medium needs to be treated independently, the operation progress is influenced, meanwhile, the sealing effect of the external pipe is realized only through a group of sealing rings, and the problem that the sealing effect is poor is easier to appear on the pipe body under the influence of internal medium and external stains.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the pipeline connecting device, which can realize the sealing protection when the external connecting pipe is disassembled, is convenient for workers to operate, can avoid the problems that the medium leakage is difficult to clean or dangerous and the like when the external connecting pipe is disassembled, can realize the double sealing and reinforcement of the external connecting pipe, improves the stability of the external connecting pipe, and avoids the problems that the internal medium leaks or external dust enters and the like.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a pipeline connecting device, includes the device body, this internal left pullover, right pullover and connecting piece of including of device, left pullover and right pullover symmetry set up, the connecting piece is fixed in the middle of left pullover and right pullover, all peg graft in left pullover and the right pullover and have taken over outward, the external screw thread has been seted up on left pullover and the right pullover, external screw thread one side is provided with movable piece and external screw thread on the spiro union have the adapter sleeve, the conduction mouth has been seted up to left pullover and right pullover inboard, conduction mouth one side is provided with sphere and sphere rear end and installs compression spring.

Further, a sealing ring is arranged in the inner ring of the movable piece, and the sealing ring is sleeved on the outer connecting pipe.

Furthermore, the inside of left pullover and right pullover all is provided with sealed pad, sealed pad is sealed laminating with outer tube front end.

Further, the inner walls of the left sleeve head and the right sleeve head are respectively fixed with a supporting frame, and the supporting frames are connected to one side of the pressure spring.

Furthermore, the outer side of the fastening sleeve is provided with a conical head, and the inner wall of the conical head is adhered to the movable piece and extrudes the movable piece.

Furthermore, connecting threads are symmetrically arranged at two ends of the connecting piece, internal threads are respectively arranged on the inner sides of the left sleeve head and the right sleeve head, and the internal threads are respectively screwed and fixed with the two groups of connecting threads.

Further, the middle of the connecting piece is fixedly provided with a fixed rod, and both ends of the fixed rod are provided with pushing rods which are contacted with the sphere.

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

1. the ball body is extruded at the conducting port through the action of the pressure spring when the connecting piece is installed, the pushing rod pushes the ball body and the pressure spring to shrink and separate from the conducting port, and when the connecting piece is detached, the sealing protection of the outer connecting pipe in the disassembly process can be realized, the operation of workers is facilitated, and the problems that medium leakage is difficult to clean or danger exists when the outer connecting pipe is detached are avoided.

2. According to the external connecting pipe, the sealing ring, the sealing gasket, the movable piece, the fastening sleeve and the conical head are arranged in the device, when the external connecting pipe is inserted into the sleeve head and is propped against the sealing gasket, the external connecting pipe is screwed and fixed through the external threads and the fastening sleeve, the conical head extrudes the movable piece and the sealing ring to shrink and tightly cling to the external connecting pipe, double sealing and reinforcement of the external connecting pipe can be realized, the stability of the external connecting pipe is improved, and the problems of leakage of internal media or entering of external dust and the like are avoided.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

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 view of the overall structure of a pipe connection device according to the present utility model;

FIG. 2 is a cross-sectional view of a left sleeve head structure of a pipe coupling according to the present utility model;

FIG. 3 is a cross-sectional view of a right ferrule of a tubing coupling device according to the present utility model;

fig. 4 is a sectional view showing a structure of a coupling member of a pipe coupling apparatus according to the present utility model.

In the figure: 1. a device body; 2. a left sleeve head; 3. a right sleeve head; 4. an outer connecting pipe; 5. a connecting piece; 6. an external thread; 7. a movable plate; 8. a seal ring; 9. a sealing gasket; 10. a conduction port; 11. a sphere; 12. a pressure spring; 13. a support frame; 14. an internal thread; 15. a fastening sleeve; 16. a conical head; 17. a connecting thread; 18. a fixed rod; 19. pushing the rod.

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. 1-4, the pipeline connecting device provided in this embodiment includes a device body 1, the device body 1 includes a left sleeve head 2, a right sleeve head 3 and a connecting piece 5, the left sleeve head 2 and the right sleeve head 3 are symmetrically arranged, the connecting piece 5 is fixed between the left sleeve head 2 and the right sleeve head 3, external connection pipes 4 are inserted into the left sleeve head 2 and the right sleeve head 3, external threads 6 are provided on the left sleeve head 2 and the right sleeve head 3, a movable piece 7 is provided on one side of the external threads 6, a fastening sleeve 15 is screwed on the external threads 6, a conducting port 10 is provided on the inner sides of the left sleeve head 2 and the right sleeve head 3, a sphere 11 is provided on one side of the conducting port 10, and a pressure spring 12 is mounted at the rear end of the sphere 11.

Preferably, be provided with sealing washer 8 in the movable plate 7 inner circle, sealing washer 8 cover is established on outer pipe 4, is convenient for seal the reinforcement to outer pipe 4 outside and movable plate 7 department, increases the connection stability and the sealed effect of two sets of pullovers and outer pipe 4.

Preferably, the inside of left pullover 2 and right pullover 3 all is provided with sealed 9, and sealed 9 and external pipe 4 front end seal laminating are convenient for seal protection to external pipe 4 front end and two sets of pullover laminating department, avoid inside medium outwards leakage problem.

Preferably, the inner walls of the left sleeve head 2 and the right sleeve head 3 are respectively fixed with a supporting frame 13, and the supporting frames 13 are connected to one side of the pressure spring 12, so that the pressure spring 12 is supported and placed conveniently, and the ball body 11 can drive the pressure spring 12 to shrink inwards.

Preferably, the outer side of the fastening sleeve 15 is provided with a conical head 16, the inner wall of the conical head 16 is attached to the movable piece 7 and extrudes the movable piece 7, the conical head 16 can be driven to move by the threaded movement of the fastening sleeve 15, and the conical surface extrudes and contracts the movable piece 7 during the movement.

Preferably, connecting threads 17 are symmetrically arranged at two ends of the connecting piece 5, internal threads 14 are respectively arranged on the inner sides of the left sleeve head 2 and the right sleeve head 3, and the internal threads 14 are respectively screwed and fixed with the two groups of connecting threads 17, so that the left sleeve head 2, the right sleeve head 3 and the connecting piece 5 can be conveniently fixed.

Preferably, a fixed rod 18 is fixedly arranged in the middle of the connecting piece 5, pushing rods 19 are arranged at two ends of the fixed rod 18, the pushing rods 19 are in contact with the round balls 11 at two sides, and in the process that the connecting piece 5 is continuously screwed close to the left sleeve head 2 and the right sleeve head 3, the pushing rods 19 push the round balls 11 and the pressure springs 12 to shrink.

The application principle and the application flow of the utility model are as follows: firstly, a group of fastening sleeves 15 are respectively sleeved on two external pipes 4, then a left sleeve head 2 and a right sleeve head 3 are respectively sleeved on the two external pipes, the front ends of the external pipes 4 are tightly attached to a sealing gasket 9, at the moment, the sleeved two groups of fastening sleeves 15 are respectively in threaded connection with external threads 6 on the left sleeve head 2 and the right sleeve head 3, a conical head 16 on one side of each fastening sleeve 15 is in contact with a movable piece 7 and extrudes the movable piece 7 in the threaded connection process, the movable pieces 7 shrink inwards and extrude a sealing ring 8, the sealing ring 8 and the movable pieces 7 seal and fix the external pipes 4, a connecting piece 5 is in threaded connection with internal threads 14 on one side of the left sleeve head 2 through a connecting thread 17 on one side, a push rod 19 in the center of the connecting piece 5 is in contact with the spherical body 11 and pushes the spherical body 11 to move, the spherical body 11 is far away from a conducting port 10, a pressure spring 12 is in stressed shrinkage, at the same time, the right sleeve head 3 is in threaded connection with the connecting piece 5, the spherical body 11 is separated from the conducting port 10, at the moment, the two groups of external pipes 4 are connected and mutually in conduction, when the connecting piece 5 is disassembled, the spherical body 11 is pushed by the pressure spring 11, the spherical body 11 is reset, and the sealing medium can be prevented from being leaked from being in the sealed state after the connecting piece is in the sealed state.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Finally, it should be noted that: the above 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 the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. 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 (7)

1. The utility model provides a pipeline connecting device, its characterized in that, including device body (1), including left pullover (2), right pullover (3) and connecting piece (5) in device body (1), left pullover (2) and right pullover (3) symmetry set up, connecting piece (5) are fixed in the middle of left pullover (2) and right pullover (3), all peg graft in left pullover (2) and right pullover (3) and have takeover (4), external screw thread (6) have been seted up on left pullover (2) and right pullover (3), external screw thread (6) one side is provided with on movable piece (7) and external screw thread (6) spiro union has tight sleeve (15), conduction mouth (10) have been seted up to left pullover (2) and right pullover (3) inboard, conduction mouth (10) one side is provided with ball (11) and ball (11) rear end installs compression spring (12).

2. A pipeline connecting device according to claim 1, characterized in that a sealing ring (8) is arranged in the inner ring of the movable piece (7), and the sealing ring (8) is sleeved on the external pipe (4).

3. The pipeline connecting device according to claim 1, wherein sealing gaskets (9) are arranged inside the left sleeve head (2) and the right sleeve head (3), and the sealing gaskets (9) are in sealing fit with the front end of the outer connecting pipe (4).

4. A pipeline connecting device according to claim 1, characterized in that the inner walls of the left sleeve head (2) and the right sleeve head (3) are respectively fixed with a supporting frame (13), and the supporting frames (13) are connected to one side of the pressure spring (12).

5. A pipe connection according to claim 1, characterized in that the outside of the fastening sleeve (15) is provided with a conical head (16), the inner wall of the conical head (16) is attached to the movable piece (7) and presses the movable piece (7).

6. A pipeline connecting device according to claim 1, wherein connecting threads (17) are symmetrically arranged at two ends of the connecting piece (5), internal threads (14) are respectively arranged at the inner sides of the left sleeve head (2) and the right sleeve head (3), and the internal threads (14) are respectively screwed and fixed with the two groups of connecting threads (17).

7. A pipeline connecting device according to claim 1, characterized in that a fixed rod (18) is fixedly arranged in the middle of the connecting piece (5), pushing rods (19) are arranged at two ends of the fixed rod (18), and the pushing rods (19) are contacted with the spherical body (11).