CN217328881U

CN217328881U - Pipe joint connecting structure with good sealing performance

Info

Publication number: CN217328881U
Application number: CN202221078877.9U
Authority: CN
Inventors: 范力中; 兰少明; 范红艳; 毛撬; 刘强
Original assignee: Sichuan Lihai Casting Industry Co ltd
Current assignee: Sichuan Lihai Casting Industry Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-30
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a coupling connection structure that leakproofness is good relates to coupling technical field. The utility model discloses a pipeline and connecting pipe, the outside both sides of pipeline are fixed with the fixture block, and the connecting pipe external fixation has the card pipe, and card pipe external fixation has the fender ring, keeps off the outside both sides of ring and is fixed with the connecting block, and the connecting block external fixation has the hinge, and pipeline and connecting pipe outside are provided with half a pipe, and half a pipe passes through hinge and connecting block fixed connection, and half intraduct has seted up the draw-in groove, and the fixture block is located between the draw-in groove is inside, and the pipeline just can be fixed through the fixture block like this. The utility model discloses a poor problem of coupling leakproofness has been solved in the setting of dual packing ring and rubber sleeve, and pipeline and connecting pipe extrude two packing rings simultaneously, and half pipe also extrudees the rubber sleeve simultaneously, can make the gap between pipeline and the connecting pipe also sealed by the rubber sleeve like this, and with regard to greatly increased this device's sealed effect, guaranteed that intraductal liquid can not take place easily and leak.

Description

Pipe joint connecting structure with good sealing performance

Technical Field

The utility model belongs to the technical field of the coupling, especially, relate to a coupling connection structure that leakproofness is good.

Background

The pipe joint is a part for communicating pipelines in a hydraulic system or installing the pipelines on hydraulic components, and is a general name of a connecting piece which can be assembled and disassembled in a fluid passage, and pipelines are generally connected through a pipeline connecting piece to avoid the phenomenon of leakage among the pipelines, but the pipe joint still has the following defects in practical use:

1. the existing pipe joint is only installed by adopting a simple bolt structure, so that the installation is more convenient in the use process, but because the structure is simple, only a single rubber ring can be arranged for sealing, so that the conditions of poor sealing effect and liquid leakage in the pipe are easy to occur;

2. most of the existing pipe joints are only installed by adopting simple bolt structures, and in the using process, the connecting pipes can be broken due to too large pressure in the pipes, so that the pipes are separated from the connecting pipes and fall off easily, large-scale leakage is caused, and the workers do not have maintenance and reaction time, so that production waste is caused.

Therefore, the existing pipe joint connecting structure with good sealing performance cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupling connection structure that leakproofness is good, through the setting of two packing rings, rubber sleeve and fixture block, has solved the problem that sealed and pipeline drop.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a coupling connection structure that leakproofness is good, including pipeline and connecting pipe, the outside both sides of pipeline are fixed with the fixture block, the connecting pipe external fixation has the card pipe, card pipe external fixation has the fender ring, it is fixed with the connecting block to keep off the outside both sides of ring, the connecting block external fixation has the hinge, pipeline and connecting pipe outside are provided with half a pipe, half a pipe passes through hinge and connecting block fixed connection, half inside draw-in groove of having seted up of pipe, the fixture block is located between the draw-in groove is inside, and the pipeline just can be fixed through the fixture block like this.

Further, the pipeline is internally carved with the internal thread, the pipeline is inside to be provided with first packing ring, first packing ring is located between connecting pipe and the pipeline inside, and first packing ring can play sealed effect between connecting pipe and pipeline like this, the pipeline internal diameter equals the connecting pipe external diameter, and the connecting pipe just can rotate to get into and connect between the pipeline inside like this.

Furthermore, the external screw thread is carved with to the outside both sides of connecting pipe, external screw thread and internal thread looks block, just can connect through external screw thread and internal thread connecting pipe and pipeline like this, the card pipe is located the outside middle part of connecting pipe.

Further, card outside both sides of pipe are provided with the second packing ring, the second packing ring is located between card pipe and the pipeline inside, and the second packing ring can play secondary seal's effect between connecting pipe and pipeline like this, card external diameter of pipe equals the pipeline external diameter, and the outside of card pipe and pipeline just can form unified pipe diameter like this, can install half a pipe more conveniently, first packing ring all adopts rubber materials to make with the second packing ring, and first packing ring just can play better effect when sealing like this with the second packing ring.

Further, a screw hole is formed in the half pipe, a bolt is rotatably arranged in the screw hole, the half pipe can be clamped and fixed through the bolt, and the inner diameter of the half pipe is equal to the outer diameter of the clamping pipe and the outer diameter of the pipeline.

Further, half pipe carries out fixed connection through the bolt each other, pipeline and card outside of managing are provided with the rubber sleeve, and pipeline, card pipe can play the sealed effect of third time when being connected with half pipe like this.

The utility model discloses following beneficial effect has:

1. the utility model discloses a poor problem of coupling leakproofness has been solved in the setting of dual packing ring and rubber sleeve, and pipeline and connecting pipe extrude two packing rings simultaneously, can make the packing ring block up the gap better and seal like this, and half pipe also extrudees the rubber sleeve simultaneously, can make the gap between pipeline and the connecting pipe also sealed by the rubber sleeve like this, and like this has just so greatly increased the sealed effect of this device, has guaranteed that intraductal liquid can not take place easily and leak.

2. The utility model discloses a setting of fixture block and draw-in groove can make pipeline and connecting pipe inseparabler when connecting, if the intraductal pressure is too big when leading to the connecting pipe to collapse out, the existence of fixture block and draw-in groove can guarantee that the connecting pipe can not drop from the outside separation of pipeline the very first time and cause extensive leakage to give the time of staff's maintenance and reaction, and this device has simple structure, convenient to use, excellent in use effect's advantage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of the overall structure of the present invention;

FIG. 3 is a schematic view of the middle half-pipe structure of the present invention;

FIG. 4 is a schematic view of the structure of the middle connection pipe of the present invention;

fig. 5 is a schematic view of the structure of the middle pipeline of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a pipeline; 11. a clamping block; 12. an internal thread; 2. a baffle ring; 21. connecting blocks; 22. a hinge; 23. an external thread; 24. clamping the pipe; 25. a connecting pipe; 3. a half pipe; 31. a card slot; 32. a screw hole; 4. a first gasket; 5. a second gasket.

Detailed Description

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

Please refer to fig. 1-5, the utility model relates to a coupling connection structure that leakproofness is good, including pipeline 1 and connecting

pipe

25, 1 outside both sides of pipeline are fixed with fixture block 11, connecting pipe 25 external fixation has card pipe 24, card pipe 24 external fixation has fender ring 2, keep off 2 outside both sides of ring and be fixed with connecting block 21, connecting block 21 external fixation has hinge 22, pipeline 1 and connecting pipe 25 outside are provided with half pipe 3, half pipe 3 passes through hinge 22 and connecting block 21 fixed connection, draw-in groove 31 has been seted up to half pipe 3 inside, fixture block 11 is located between draw-in groove 31 is inside, pipeline 1 just can be fixed through fixture block 11 like this.

Preferably, the pipe 1 is internally engraved with an internal thread 12, the pipe 1 is internally provided with a first gasket 4, the first gasket 4 is located between the connecting pipe 25 and the inside of the pipe 1, so that the first gasket 4 can play a role in sealing between the connecting pipe 25 and the pipe 1, the inner diameter of the pipe 1 is equal to the outer diameter of the connecting pipe 25, and the connecting pipe 25 can rotate to enter the inside of the pipe 1 for connection.

Preferably, the outer sides of the connecting pipe 25 are engraved with external threads 23, the external threads 23 are engaged with the internal threads 12, so that the connecting pipe 25 and the pipeline 1 can be connected through the external threads 23 and the internal threads 12, and the clamping pipe 24 is located in the middle of the outer part of the connecting pipe 25.

Preferably, card pipe 24 outside both sides are provided with second packing ring 5, second packing ring 5 is located card pipe 24 and pipeline 1 inside between, second packing ring 5 can play secondary seal's effect between connecting pipe 25 and pipeline 1 like this, card pipe 24 external diameter equals pipeline 1 external diameter, card pipe 24 and pipeline 1's outside just can form unified pipe diameter like this, can install half pipe 3 more conveniently, first packing ring 4 all adopts rubber materials to make with second packing ring 5, first packing ring 4 just can play better effect when sealing up with second packing ring 5 like this.

Preferably, a screw hole 32 is formed in the half pipe 3, a bolt is rotatably arranged in the screw hole 32, so that the half pipe 3 can be clamped and fixed through the bolt, and the inner diameter of the half pipe 3 is equal to the outer diameter of the clamping pipe 24 and the outer diameter of the pipeline 1.

Preferably, half pipe 3 carries out fixed connection through the bolt each other, and pipeline 1 and card pipe 24 outside are provided with the rubber sleeve, and pipeline 1, card pipe 24 can play sealed effect the third time when being connected with half pipe 3 like this.

The first embodiment is as follows:

as shown in fig. 1-5, when the device is used and installed, the rubber sleeve is firstly sleeved outside the pipeline 1, the first gasket 4 is then inserted between the insides of the pipeline 1, the second gasket 5 is sleeved outside the connecting pipe 25, the second gasket 5 is simultaneously attached to the side surface of the clamping pipe 24, the connecting pipe 25 is moved towards the pipeline 1 until the connecting pipe 25 enters the inside of the pipeline 1, and then the connecting pipe 25 is rotated, so that the external thread 23 is simultaneously clamped with the internal thread 12 until the first gasket 4 and the second gasket 5 are extruded by the connecting pipe 25 and towards the pipeline 1, and thus the pipeline 1 and the connecting pipe 25 can be connected in a sealing manner.

Example two:

as shown in fig. 1-5, after pipeline 1 and connecting pipe 25 are connected, the pulling rubber sleeve moves in pipeline 1 outside this moment, until the rubber sleeve is located pipeline 1 and card pipe 24 outside, and cover the joint seam play, then stir half pipe 3 and rotate around hinge 22, until half pipe 3 changes pipeline 1 and card pipe 24 outside, its while fixture block 11 is located between the draw-in groove 31 is inside, then rotatory bolt makes it get into between the screw 32 is inside, so can make half pipe 3 connect the chucking each other, half pipe 3 also compresses tightly the rubber sleeve with the laminating at pipeline 1 and card pipe 24 outside surface simultaneously, so can make the leakproofness that pipeline 1 connects better, and can not take place to drop the separation easily.

The utility model discloses theory of operation: the device adopts two gaskets and a rubber sleeve to seal the joint of the pipeline 1, so that the condition that the joint of the pipeline 1 cannot easily leak can be better ensured under the condition of three-way sealing; half pipe 3 is connected with pipeline 1 through draw-in groove 31, fixture block 11 simultaneously, takes place lax or when droing between pipeline 1 and connecting pipe 25 like this, and fixture block 11 can block half pipe 3 effectively to guarantee that connecting pipe 25 can not drop suddenly, the condition of the intraductal liquid leakage of emergence that also can not be sudden.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. The utility model provides a coupling connection structure that leakproofness is good, includes pipeline (1) and connecting pipe (25), its characterized in that, pipeline (1) outside both sides are fixed with fixture block (11), connecting pipe (25) external fixation has card pipe (24), card pipe (24) external fixation has fender ring (2), keep off ring (2) outside both sides and be fixed with connecting block (21), connecting block (21) external fixation has hinge (22), pipeline (1) and connecting pipe (25) outside are provided with half pipe (3), half pipe (3) are through hinge (22) and connecting block (21) fixed connection, draw-in groove (31) have been seted up to half pipe (3) inside, fixture block (11) are located between draw-in groove (31) inside.

2. The pipe joint connecting structure with good sealing performance according to claim 1, wherein the pipe (1) is internally carved with an internal thread (12), the pipe (1) is internally provided with a first gasket (4), the first gasket (4) is positioned between the connecting pipe (25) and the inside of the pipe (1), and the inner diameter of the pipe (1) is equal to the outer diameter of the connecting pipe (25).

3. The pipe joint connecting structure with good sealing performance according to claim 1, wherein external threads (23) are carved on two outer sides of the connecting pipe (25), the external threads (23) are clamped with the internal threads (12), and the clamping pipe (24) is located in the middle of the outer part of the connecting pipe (25).

4. The pipe joint connecting structure with good sealing performance according to claim 2, wherein the clamping pipe (24) is provided with second gaskets (5) on two sides of the outside, the second gaskets (5) are positioned between the clamping pipe (24) and the inside of the pipeline (1), the outside diameter of the clamping pipe (24) is equal to that of the pipeline (1), and the first gasket (4) and the second gasket (5) are made of rubber materials.

5. The pipe joint connecting structure with good sealing performance according to claim 1, wherein a screw hole (32) is formed in the half pipe (3), a bolt is rotatably arranged in the screw hole (32), and the inner diameter of the half pipe (3) is equal to the outer diameter of the clamping pipe (24) and the pipeline (1).

6. The pipe joint connecting structure with good sealing performance according to claim 1, wherein the half pipes (3) are fixedly connected with each other through bolts, and rubber sleeves are arranged outside the pipeline (1) and the clamping pipe (24).