CN215674060U

CN215674060U - Clamping sleeve type lining stainless steel composite pipe connecting device

Info

Publication number: CN215674060U
Application number: CN202122180143.3U
Authority: CN
Inventors: 戴一凡; 戴学兵; 邢辰阳
Original assignee: Jiangsu Qing Yang Pipe Co ltd
Current assignee: Jiangsu Qing Yang Pipe Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-28
Anticipated expiration: 2031-09-09

Abstract

The utility model provides a clamping sleeve type stainless steel composite pipe connecting device with a lining, and relates to the technical field of stainless steel composite pipes. According to the utility model, when solution or gas passes through the interior of the pipeline, the pressure intensity in the pipeline is increased, at the moment, the pressure-relief pipe divides the pressure intensity to push the sealing plate to slide in the pressure-relief pipe, the pressure intensity in the pipeline is adjusted, the spring absorbs kinetic energy to provide buffering, after the pressure intensity in the pipeline is stably reduced, the spring pushes the sealing plate to move downwards, so that the sealing plate is reset, the service life of the pipeline is ensured, and the pipeline is prevented from being broken due to overhigh pressure intensity in the pipeline.

Description

Clamping sleeve type lining stainless steel composite pipe connecting device

Technical Field

The utility model relates to the technical field of stainless steel composite pipes, in particular to a clamping sleeve type lining stainless steel composite pipe connecting device.

Background

The pipeline refers to a device which is formed by connecting pipes, pipe connectors, valves and the like and used for conveying gas, liquid or fluid with solid particles, and generally, the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, flows from a high-pressure part to a low-pressure part of the pipeline, and can also be conveyed by utilizing the pressure or gravity of the fluid. The pipeline has wide application range, is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, hydraulic engineering and various industrial devices, and is lined with stainless steel composite steel pipe, which is a thin-wall stainless steel pipe compounded on the inner wall of the steel pipe.

But among the prior art, when pipeline internal pressure was too high, the compound steel pipe of inside lining stainless steel can not rationally provide the buffering, reduced the life of pipeline, and the compound steel pipe of inside lining stainless steel is difficult for installing and dismantles among the prior art moreover, influences and uses experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that in the prior art, when the internal pressure of a pipeline is too high, a lining stainless steel composite steel pipe cannot reasonably provide buffering, the service life of the pipeline is shortened, and the lining stainless steel composite steel pipe is not easy to mount and dismount and the use experience is influenced.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a compound union coupling device of cutting ferrule formula inside lining stainless steel, includes the connecting pipe main part, the equal fixedly connected with clamping ring in both ends of connecting pipe main part, two a side surface of clamping ring all is provided with the sealing rubber circle, two the surface of clamping ring all is provided with the connecting piece, two the thread groove has all been seted up on the inner wall surface of connecting piece, the surface intercommunication of connecting pipe main part is provided with the pressure release pipe, the inside slip of pressure release pipe inlays and is equipped with the closing plate, one side fixed surface of closing plate is connected with the spring, the one end fixedly connected with locking cap of spring, locking cap fixed connection is in the one end of pressure release pipe.

Preferably, two equal fixedly connected with guide tube in one side surface of clamping ring, two the guide tube is hourglass hopper-shaped.

Preferably, two the surface of clamping ring all is equipped with the bearing, two the surface fixed connection of bearing is in corresponding two the inner wall surface of connecting piece.

Preferably, the outer surfaces of the cross sections of the two connecting pieces are isosceles-hexagonal-shaped.

Preferably, one side surface of each of the two compression rings is provided with a groove, and one side surface of each of the two sealing rubber rings is embedded in the inner wall surface of the corresponding groove.

Preferably, the surface of one side of the fixing cap is provided with an exhaust hole.

Preferably, the pressure relief pipe is fixedly connected with a limiting ring in the inside, and one side surface of the limiting ring is attached to one side surface of the sealing plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, when solution or gas passes through the interior of the pipeline, the pressure in the pipeline rises, at the moment, the pressure relief pipe shunts the pressure, the sealing plate is pushed to slide in the pressure relief pipe, the pressure in the pipeline is adjusted, the spring absorbs kinetic energy to provide buffering, after the pressure in the pipeline stably drops, the spring pushes the sealing plate to move downwards, so that the sealing plate is reset, the service life of the pipeline is ensured, and the pipeline is prevented from being broken due to overhigh pressure in the pipeline.

2. According to the utility model, one end of each guide pipe is positioned in the pipeline during installation, the two guide pipes provide support during rotation of the connecting piece, inaccurate positioning during pipeline installation is avoided, the installation efficiency is improved, the friction force is reduced when the two bearings rotate the two connecting pieces, the abrasion of parts is avoided, the use experience is improved, and the two connecting pieces are in a hexagonal pipeline shape and are convenient to detach and install.

Drawings

FIG. 1 is a schematic perspective view of a ferrule-type stainless steel lined composite pipe connection device according to the present invention;

FIG. 2 is a schematic cross-sectional perspective view of a ferrule-type stainless steel lined composite pipe connection device according to the present invention;

fig. 3 is a schematic perspective view of a connection tube main body of a ferrule type stainless steel lined composite tube connection device according to the present invention.

Illustration of the drawings: 1. a connecting pipe main body; 2. pressing a ring; 3. a bearing; 4. a connecting member; 5. a thread groove; 6. sealing the rubber ring; 7. a guide tube; 8. a pressure relief pipe; 9. a fixing cap; 10. an exhaust hole; 11. a limiting ring; 12. a sealing plate; 13. a spring; 14. and (4) a groove.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 3, the utility model provides a ferrule type stainless steel lined composite pipe connection device, which includes a connection pipe main body 1, wherein two ends of the connection pipe main body 1 are both fixedly connected with compression rings 2, one side surfaces of the two compression rings 2 are both provided with a sealing rubber ring 6, the outer surfaces of the two compression rings 2 are both provided with connecting pieces 4, inner wall surfaces of the two connecting pieces 4 are both provided with threaded grooves 5, the outer surface of the connection pipe main body 1 is communicated with a pressure relief pipe 8, a sealing plate 12 is slidably embedded in the pressure relief pipe 8, one side surface of the sealing plate 12 is fixedly connected with a spring 13, one end of the spring 13 is fixedly connected with a fixing cap 9, and the fixing cap 9 is fixedly connected to one end of the pressure relief pipe 8.

The whole embodiment 1 achieves the effects that, in use, one end of each of two connecting pieces 4 is respectively sleeved at one end of each of two pipelines to be communicated, one end of each of the two connecting pieces 4 is rotated to enable a thread groove 5 formed in each of the two connecting pieces 4 to be meshed with threads on the outer surfaces of one ends of the two pipelines, one end of each of the two pipelines is attached to one side surface of each of two sealing rubber rings 6, a gap is prevented from being formed between each of two compression rings 2 and the two pipelines, the installation effect is guaranteed, when solution or gas passes through the inside of each pipeline, the pressure inside each pipeline is increased, the pressure is divided by the pressure release pipe 8 at the moment, the sealing plate 12 is pushed to slide in the pressure release pipe 8, the pressure inside each pipeline is adjusted, the spring 13 absorbs kinetic energy to provide buffering, after the pressure inside each pipeline is stably reduced, the spring 13 pushes the sealing plate 12 to move downwards, the sealing plate 12 is reset, and the service life of each pipeline is guaranteed, the pipeline is prevented from being broken due to overhigh internal pressure.

Embodiment 2, as shown in fig. 1-3, the equal fixedly connected with guiding tube 7 in one side surface of two clamping rings 2, two guiding tubes 7 are leaks hopper-shaped, the surface of two clamping rings 2 all overlaps and is equipped with bearing 3, the surface fixed connection of two bearings 3 is in the inner wall surface of two corresponding connecting pieces 4, the cross section surface of two connecting pieces 4 is isosceles six deformations, a side surface of two clamping rings 2 is all seted up flutedly 14, a side surface of two sealing rubber circle 6 all inlays and locates the inner wall surface of two corresponding flutedly 14, exhaust hole 10 has been seted up to a side surface of locking cap 9, the inside fixedly connected with spacing ring 11 of pressure relief pipe 8, a side surface of spacing ring 11 is laminated in a side surface of closing plate 12.

The effect achieved by the whole embodiment 2 is that one end of the guide tube 7 is located inside the pipe when it is installed, and when the connector 4 is rotated, the two guide pipes 7 provide support to avoid inaccurate positioning during pipeline installation and improve installation efficiency, the two bearings 3 reduce friction force when rotating the two connecting pieces 4, avoid abrasion of parts and improve use experience, the two connecting pieces 4 are in a hexagonal pipe shape and are convenient to detach and install, the groove 14 formed in the surface of one side of each of the two compression rings 2 provides support force after the two sealing rubber rings 6 are stressed, displacement of the two sealing rubber rings 6 after stress is avoided, use experience is guaranteed, when the two fixing caps 9 move on the sealing plate 12, guarantee circulation of air avoids expend with heat and contract with cold to lead to 8 one end atmospheric pressure shakiness of pressure release pipe, influences pressure release pipe 8's buffering effect, and spacing ring 11 limits closing plate 12's stroke breaks away from pressure release pipe 8 when avoiding closing plate 12 to remove.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a cutting ferrule formula inside lining stainless steel composite pipe connecting device which characterized in that: including the connecting pipe main part, the equal fixedly connected with clamping ring in both ends of connecting pipe main part, two a side surface of clamping ring all is provided with sealing rubber circle, two the surface of clamping ring all is provided with the connecting piece, two the thread groove has all been seted up to the inner wall surface of connecting piece, the surface intercommunication of connecting pipe main part is provided with the pressure release pipe, the inside slip of pressure release pipe inlays and is equipped with the closing plate, one side fixed surface of closing plate is connected with the spring, the one end fixedly connected with locking cap of spring, locking cap fixed connection is in the one end of pressure release pipe.

2. The ferrule type stainless steel lined composite pipe connection device according to claim 1, wherein: two equal fixedly connected with guiding tube, two in one side surface of clamping ring the guiding tube is hourglass hopper-shaped.

3. The ferrule type stainless steel lined composite pipe connection device according to claim 2, wherein: two the surface of clamping ring all overlaps and is equipped with the bearing, two the surface fixed connection of bearing is in corresponding two the inner wall surface of connecting piece.

4. The ferrule type stainless steel lined composite pipe connection device according to claim 3, wherein: the outer surfaces of the cross sections of the two connecting pieces are in isosceles-hexagonal deformation.

5. The ferrule type stainless steel lined composite pipe connection device according to claim 4, wherein: two a side surface of clamping ring all sets up flutedly, two a side surface of sealing rubber circle all inlays and locates the inner wall surface of two corresponding recesses.

6. The ferrule type stainless steel lined composite pipe connection device according to claim 5, wherein: and the surface of one side of the fixing cap is provided with an exhaust hole.

7. The ferrule type stainless steel lined composite pipe connection device according to claim 6, wherein: the inside fixedly connected with spacing ring of pressure release pipe, one side surface laminating in one side surface of closing plate of spacing ring.