CN220303007U - Pipe fitting facilitating sealing - Google Patents

Abstract

The utility model discloses a pipe fitting which is beneficial to sealing, comprising a pipe fitting body and two pipelines, wherein the two pipelines are respectively arranged at two ends of the pipe fitting body, and an external sealing mechanism is arranged between the pipelines and the pipe fitting body. This pipe fitting that helps sealed sets up external seal mechanism through between pipe fitting body and pipeline to and set up the internal seal toper rubber circle in the inside of pipe fitting body and set up the drainage tube at the inside slip of internal seal toper rubber circle, make between pipe fitting body and the pipeline can the expansion of drainage tube to internal seal toper rubber circle, and the screw-thread fit of external screw thread and thread bush, make pipe fitting body and pipeline inner wall and pipe fitting body and the outer wall of pipeline all can seal, can improve the sealed effect between pipe fitting body and the pipeline through dual seal, avoid singly adopting the screw-thread seal to have the not good problem of sealed effect.

Description

Pipe fitting facilitating sealing

Technical Field

The utility model relates to the technical field of pipe fittings, in particular to a pipe fitting which is beneficial to sealing.

Background

The pipe fitting is a common name of parts with the functions of connection, control, direction change, flow diversion, sealing, support and the like in a pipeline system, is a part for connecting pipes into a pipeline, is made of materials which are the same as the pipes, is different in connection mode between the pipes according to the volume and the size, is sealed by matching internal threads and external threads, and can be welded or flanged in butt joint between a large pipe fitting and the pipes;

in the prior art, although the joint between the small pipe fitting and the pipeline can be sealed by adopting the internal and external threads, the sealing effect between the pipe and the pipe fitting is common due to the fact that the single thread sealing is unavoidable, so that the problem that the sealing effect of the pipe fitting is not excellent enough due to the fact that the water seeps outwards at the thread joint of the pipe and the pipe fitting in the long-term use process exists, and in order to avoid the problem, a pipe fitting which is helpful for sealing is provided to solve the existing problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a pipe fitting which is beneficial to sealing, and solves the problem that the sealing effect is relatively common due to the fact that the pipe fitting and the pipe are sealed by adopting internal and external threads singly.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pipe fitting that helps sealed, includes pipe fitting body and pipeline, the pipeline is provided with two, and two pipelines set up respectively in the both ends of pipe fitting body, be provided with external seal mechanism between pipeline and the pipe fitting body, the equal fixedly connected with internal seal toper rubber circle in the both sides of pipe fitting body internal surface, the inside slip of internal seal toper rubber circle is provided with the drainage tube, the top of pipe fitting body has the threaded rod through seting up thread groove threaded connection, be provided with internal seal mechanism between threaded rod and the drainage tube.

Preferably, the inner sealing mechanism comprises fixing frames, two fixing frames are arranged and fixedly arranged on one sides of the two opposite drainage tubes respectively, two push-pull frames are fixedly connected to one sides of the two opposite fixing frames respectively, one end of each threaded rod penetrates through and extends to the inside of the pipe fitting body, one end of each threaded rod extending to the inside of the pipe fitting body is rotatably connected with a push-pull plate matched with the push-pull frames through a bearing, and the push-pull plates are arranged in two.

Preferably, the external sealing mechanism comprises four external threads, the four external threads are respectively arranged on two sides of the surface of the pipe fitting body and the surfaces of the two pipelines, and the surfaces of the external threads are in threaded connection with threaded sleeves on the outer surfaces of the pipe fitting body.

Preferably, both sides of the front side and the rear side of the inner cavity of the pipe fitting body are provided with sliding grooves, the sliding grooves are internally and slidably connected with sliding blocks, and one surface of the same side, opposite to the sliding blocks, is fixedly connected with the front side and the rear side of the drainage pipe respectively.

Preferably, the top fixedly connected with of pipe fitting body inner chamber is with the installation cover of threaded rod looks slip adaptation, the bottom of installation cover is provided with the sealing washer that matches the threaded rod and use.

Preferably, a knob is fixedly connected to the top of the threaded rod.

Advantageous effects

The utility model provides a pipe fitting which is beneficial to sealing. Compared with the prior art, the method has the following beneficial effects: this pipe fitting that helps sealed sets up external seal mechanism through between pipe fitting body and pipeline to and set up the internal seal toper rubber circle in the inside of pipe fitting body and set up the drainage tube at the inside slip of internal seal toper rubber circle, make between pipe fitting body and the pipeline can the expansion of drainage tube to internal seal toper rubber circle, and the screw-thread fit of external screw thread and thread bush, make pipe fitting body and pipeline inner wall and pipe fitting body and the outer wall of pipeline all can seal, can improve the sealed effect between pipe fitting body and the pipeline through dual seal, avoid singly adopting the screw-thread seal to have the not good problem of sealed effect.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a cross-sectional view of the body structure of the pipe fitting of the present utility model;

FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;

FIG. 4 is a top view of the drain tube structure of the present utility model;

FIG. 5 is an enlarged view of a portion of the utility model at B in FIG. 4;

fig. 6 is a cross-sectional view of the mounting sleeve structure of the present utility model.

In the figure: 1. a pipe body; 2. a pipe; 3. an outer seal mechanism; 31. an external thread; 32. a thread sleeve; 4. an inner sealing conical rubber ring; 5. a drainage tube; 6. a threaded rod; 7. an inner seal mechanism; 71. a fixing frame; 72. a push-pull frame; 73. a push-pull plate; 8. a chute; 9. a slide block; 10. a mounting sleeve; 11. a seal ring; 12. and (5) a knob.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a pipe fitting that helps sealed, including pipe fitting body 1 and pipeline 2, pipeline 2 is provided with two, and two pipelines 2 set up respectively in the both ends of pipe fitting body 1, be provided with external seal mechanism 3 between pipeline 2 and pipe fitting body 1, external seal mechanism 3 includes external screw thread 31, external screw thread 31 is provided with four, and four external screw threads 31 set up respectively in the both sides on pipe fitting body 1 surface and the surface of two pipelines 2, the surface of external screw thread 31 just is located the surface threaded connection of pipe fitting body 1 has screw thread cover 32.

Further, in order to further enhance the sealing effect of the pipe fitting body 1 and the pipe 2, the two sides of the inner surface of the pipe fitting body 1 are fixedly connected with inner sealing conical rubber rings 4, drainage pipes 5 are slidably arranged in the inner sealing conical rubber rings 4, the top of the pipe fitting body 1 is connected with a threaded rod 6 through a threaded groove, the top of the threaded rod 6 is fixedly connected with a knob 12, an inner sealing mechanism 7 is arranged between the threaded rod 6 and the drainage pipes 5, the inner sealing mechanism 7 comprises fixing frames 71, two fixing frames 71 are arranged, the two fixing frames 71 are respectively fixedly arranged on one side opposite to the two drainage pipes 5, push-pull frames 72 are fixedly connected to one side opposite to the two fixing frames 71, one end of the threaded rod 6 penetrates through and extends to the inner part of the pipe fitting body 1, one end of the threaded rod 6 extending to the inner part of the pipe fitting body 1 is rotatably connected with a push-pull plate 73 matched with the push-pull frames 72 through a bearing, and the push-pull plate 73 is provided with two fixing frames;

as a detailed explanation: the both sides of pipe fitting body 1 inner chamber front side and rear side have all been seted up spout 8, and the inside sliding connection of spout 8 has slider 9, and the relative one side of two sliders 9 of homonymy is with the front side and the rear side fixed connection of drainage tube 5 respectively.

Further, in order to avoid the problem that the thread surface of the threaded rod 6 is contacted with the water source in the pipe fitting, the top of the inner cavity of the pipe fitting body 1 is fixedly connected with a mounting sleeve 10 which is matched with the threaded rod 6 in a sliding manner, and the bottom end of the mounting sleeve 10 is provided with a sealing ring 11 which is matched with the threaded rod 6 for use.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the internal sealing conical rubber ring 4 in the pipe fitting body 1 is stretched into the pipeline 2 in advance, then the pipe fitting body 1 is aligned with the port of the pipeline 2, the thread sleeve 32 is rotated, the thread sleeve 32 is in threaded connection between two adjacent external threads 31, after the pipe fitting body 1 and the pipeline 2 are sealed and fixed through the threaded fit of the thread sleeve 32 and the external threads 31, an operator rotates the threaded rod 6 again, the threaded rod 6 synchronously drives the two push-pull plates 73 to rise after rotating, the push-pull plates 73 rise to squeeze the push-pull frames 72, the two push-pull frames 72 are driven to push the fixing frames 71 to move towards two sides, the fixing frames 71 drive the drainage tube 5 to move, the drainage tube 5 moves to gradually deeply enter the smaller inner diameter of the internal sealing conical rubber ring 4 and expand the internal sealing conical rubber ring, and the expanded internal sealing conical rubber ring 4 is sealed between the outer surface of the drainage tube 5 and the inner surface of the pipeline 2.

Claims (6)

1. The utility model provides a pipe fitting that helps sealed, includes pipe fitting body (1) and pipeline (2), pipeline (2) are provided with two, and two pipeline (2) set up respectively in the both ends of pipe fitting body (1), its characterized in that: an outer sealing mechanism (3) is arranged between the pipeline (2) and the pipe fitting body (1), two sides of the inner surface of the pipe fitting body (1) are fixedly connected with inner sealing conical rubber rings (4), drainage pipes (5) are slidably arranged in the inner sealing conical rubber rings (4), threaded rods (6) are connected to the top of the pipe fitting body (1) through threaded grooves, and an inner sealing mechanism (7) is arranged between the threaded rods (6) and the drainage pipes (5).

2. A sealing-assisted pipe fitting according to claim 1, characterized in that: the inner sealing mechanism (7) comprises fixing frames (71), the fixing frames (71) are arranged in two, the two fixing frames (71) are respectively and fixedly arranged on one sides opposite to the two drainage tubes (5), two push-pull frames (72) are fixedly connected to one sides opposite to the fixing frames (71), one end of a threaded rod (6) penetrates through and extends to the inside of the pipe fitting body (1), one end of the threaded rod (6) extending to the inside of the pipe fitting body (1) is rotatably connected with a push-pull plate (73) matched with the push-pull frames (72) through a bearing, and the push-pull plate (73) is provided with two.

3. A sealing-assisted pipe fitting according to claim 1, characterized in that: the external sealing mechanism (3) comprises four external threads (31), the four external threads (31) are respectively arranged on two sides of the surface of the pipe fitting body (1) and the surfaces of the two pipelines (2), and the surfaces of the external threads (31) are in threaded connection with threaded sleeves (32) on the outer surfaces of the pipe fitting body (1).

4. A sealing-assisted pipe fitting according to claim 1, characterized in that: the two sides of the front side and the rear side of the inner cavity of the pipe fitting body (1) are respectively provided with a sliding groove (8), the inside of the sliding groove (8) is connected with a sliding block (9) in a sliding manner, and one surface of the same side, opposite to the sliding block (9), is fixedly connected with the front side and the rear side of the drainage pipe (5) respectively.

5. A sealing-assisted pipe fitting according to claim 1, characterized in that: the top of the inner cavity of the pipe fitting body (1) is fixedly connected with a mounting sleeve (10) which is matched with the threaded rod (6) in a sliding manner, and a sealing ring (11) which is matched with the threaded rod (6) in use is arranged at the bottom end of the mounting sleeve (10).

6. A sealing-assisted pipe fitting according to claim 1, characterized in that: the top of the threaded rod (6) is fixedly connected with a knob (12).