CN210372399U

CN210372399U - High-strength polyethylene composite pipe connecting piece

Info

Publication number: CN210372399U
Application number: CN201921239870.9U
Authority: CN
Inventors: 赵耀鑫; 王梦尧
Original assignee: Yunnan Xinke New Material Engineering Technology Co Ltd
Current assignee: Yunnan Xinke New Material Engineering Technology Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-21
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a compound union coupling of high strength polyethylene, including first pipeline, double-sided screw mechanism and protection machanism, the right side of first pipeline is provided with the pipeline head, and the interior external surface of pipeline head has all seted up the third screw layer, the right side integration of pipeline head is provided with the second pipeline, double-sided screw mechanism is located the inside of first pipeline, protection machanism is located the outside of second pipeline and first pipeline. The device is through first screw thread layer, the spacer ring, mutually support between second screw thread layer and the third screw thread layer, make the pipeline head connect in the inside of first pipeline two-sidedly soon, this item sets up the joint strength who has improved between first pipeline and the second pipeline, the leakproofness of first pipeline with second pipe connection department has been improved, laminate the inoxidizing coating in the junction of first pipeline with the second pipeline, through mutually supporting between inoxidizing coating and the sealed rubber cushion, improve the waterproof sealing nature of first pipeline and second pipe connection department.

Description

High-strength polyethylene composite pipe connecting piece

Technical Field

The utility model relates to a compound tub of equipment technical field of polyethylene specifically is a compound union coupling of high strength polyethylene.

Background

The polyethylene composite pipe is characterized in that two kinds of polyethylene resin with different densities are respectively plasticized and melted by two extruders at the same time, then the melted materials are extruded into a die capable of forming the composite pipe, the formed pipe is the polyethylene composite pipe, in industrial and mining enterprises, the composite pipe can be used for replacing a steel pipe and is used for conveying pipes with corrosive media such as oil, gas and the like or pipelines for mine ventilation and the like, the length of a single polyethylene composite pipe is limited, and therefore, the polyethylene composite pipe is generally required to be assembled by using a connecting piece.

The existing polyethylene composite pipe is generally connected by adopting single-sided threads, so that the connection strength of a pipeline connector is poor, the polyethylene composite pipe is easy to leak after long-term use, and then the connection part of the common polyethylene composite pipe is exposed in the air for a long time, is easy to oxidize and corrode and has short service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound union coupling of high strength polyethylene to propose general compound pipe of polyethylene and adopt single face threaded connection usually in solving above-mentioned background art, lead to the joint strength of pipeline kneck relatively poor, reveal easily after long-term the use, secondly general compound union coupling department of polyethylene exposes in the air for a long time, is easily by the oxidation corrosion, problem that life is short.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound union coupling of high strength polyethylene, includes first pipeline, double thread mechanism and protection machanism, the right side of first pipeline is provided with the pipeline head, and the interior external surface of pipeline head has all seted up the third screw thread layer, the right side integration of pipeline head is provided with the second pipeline, double thread mechanism is located the inside of first pipeline, protection machanism is located the outside of second pipeline and first pipeline.

Preferably, the first pipeline is connected with the second pipeline through the pipeline head and the third thread layer in a threaded mode, and the inner diameter of the pipeline head is smaller than that of the second pipeline.

Preferably, the double-sided thread mechanism comprises a first thread layer, a spacer ring and a second thread layer, the spacer ring is arranged on the inner side of the first thread layer, the second thread layer is arranged on the inner wall of the spacer ring, and the transverse center line of the spacer ring and the transverse center line of the first pipeline are located on the same horizontal line.

Preferably, the protection machanism includes sealing rubber bed course, inoxidizing coating, pivot, half screw post and nut, and sealing rubber bed course's surface integration is provided with the inoxidizing coating, the one end of inoxidizing coating is connected with the pivot, and the other end outside fixed mounting of inoxidizing coating has half screw post, the outside of half screw post has connect the nut soon.

Preferably, the outer surface of the sealing rubber cushion layer is attached to the inner surface of the protective layer, and the protective layer forms a rotating structure through a rotating shaft.

Preferably, the half-thread column is provided with two, and the protective layer is in threaded connection with the screw cap through the half-thread column.

Compared with the prior art, the beneficial effects of the utility model are that: in the device, a first pipeline is in threaded connection with a second pipeline through a pipeline head and a third threaded layer, the pipeline head is inserted into the first pipeline in an aligned mode and rotates clockwise, the first pipeline is connected with the second pipeline, and the entering pipeline head can smoothly enter the first pipeline due to the fact that the inner diameter of the pipeline head is smaller than that of the second pipeline;

the pipeline head is connected to the inside of the first pipeline in a double-sided rotating mode through mutual matching of the first thread layer, the spacer ring, the second thread layer and the third thread layer, the connection strength between the first pipeline and the second pipeline is improved, and the sealing performance of the connection position of the first pipeline and the second pipeline is improved;

with the inoxidizing coating laminating in the junction of first pipeline and second pipeline, through mutually supporting between inoxidizing coating and the sealed rubber bed course, improve the waterproof sealing nature of first pipeline and second pipeline junction to avoid the junction oxidative corrosion, improved the long-term usability of the device.

Drawings

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

FIG. 2 is a schematic view of the front structure of the half-threaded column of the present invention;

fig. 3 is a schematic view of the protective layer of the present invention.

In the figure: 1. a first conduit; 2. a double-sided thread mechanism; 3. a first thread layer; 4. a spacer ring; 5. a second threaded layer; 6. a pipe head; 7. a third thread layer; 8. a second conduit; 9. a protection mechanism; 10. sealing the rubber cushion layer; 11. a protective layer; 12. a rotating shaft; 13. a half-threaded post; 14. and (4) a nut.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-strength polyethylene composite pipe connecting piece comprises a first pipeline 1, a double-sided thread mechanism 2 and a protection mechanism 9, wherein a pipeline head 6 is arranged on the right side of the first pipeline 1, third thread layers 7 are arranged on the inner surface and the outer surface of the pipeline head 6, a second pipeline 8 is integrally arranged on the right side of the pipeline head 6, the first pipeline 1 is in threaded connection with the second pipeline 8 through the pipeline head 6 and the third thread layers 7, the inner diameter of the pipeline head 6 is smaller than that of the second pipeline 8, the pipeline head 6 is aligned with the inner portion of the first pipeline 1 to be inserted and rotates clockwise, the first pipeline 1 is connected with the second pipeline 8, and the inner diameter of the pipeline head 6 is smaller than that of the second pipeline 8, so that the entering pipeline head 6 can smoothly enter the inner portion of the first pipeline 1;

the double-sided thread mechanism 2 is positioned inside the first pipeline 1, the double-sided thread mechanism 2 comprises a first thread layer 3, a spacer ring 4 and a second thread layer 5, the inner side of the first thread layer 3 is provided with the spacer ring 4, the inner wall of the spacer ring 4 is provided with the second thread layer 5, the transverse central line of the spacer ring 4 and the transverse central line of the first pipeline 1 are positioned on the same horizontal line, when the pipeline head 6 penetrates through the first pipeline 1, the third thread layer 7 on the outer surface of the pipeline head 6 is attached to the first thread layer 3, the third thread layer 7 on the inner surface of the pipeline head 6 is attached to the second thread layer 5, the pipeline head 6 is screwed into the first pipeline 1 on two sides through the mutual matching of the first thread layer 3, the spacer ring 4, the second thread layer 5 and the third thread layer 7, and the connection strength between the first pipeline 1 and the second pipeline 8 is improved, the sealing performance of the joint of the first pipeline 1 and the second pipeline 8 is improved;

the protection mechanism 9 is located at the outer side of the second pipeline 8 and the first pipeline 1, the protection mechanism 9 comprises a sealing rubber cushion layer 10, a protection layer 11, a rotating shaft 12, a half-thread column 13 and a screw cap 14, the protection layer 11 is integrally arranged on the outer surface of the sealing rubber cushion layer 10, one end of the protection layer 11 is connected with the rotating shaft 12, the half-thread column 13 is fixedly installed at the outer side of the other end of the protection layer 11, the screw cap 14 is screwed at the outer side of the half-thread column 13, the outer surface of the sealing rubber cushion layer 10 is attached to the inner surface of the protection layer 11, the protection layer 11 forms a rotating structure through the rotating shaft 12, after the first pipeline 1 is connected with the second pipeline 8, the protection layer 11 can be attached to the joint of the first pipeline 1 and the second pipeline 8, and the sealing waterproofness of the joint of the first pipeline 1 and the second pipeline 8 is, thereby avoid the junction to be by oxidation corrosion, the long-term usability of the device has been improved, half thread post 13 is provided with two altogether, and threaded connection between inoxidizing coating 11 passes through half thread post 13 and nut 14, rotate two semicircular inoxidizing coatings 11 through pivot 12 and form whole circle structure, screw up nut 14 in the outside of two half thread posts 13 clockwise afterwards, through mutually supporting between nut 14 and the half thread post 13, press from both sides tight inoxidizing coating 11, thereby protect first pipeline 1 and second pipeline 8 junction.

The working principle is as follows: when the high-strength polyethylene composite pipe connecting piece is used, firstly, when the pipe head 6 penetrates through the inside of the first pipeline 1, the third thread layer 7 on the outer surface of the pipe head 6 is attached to the first thread layer 3, the third thread layer 7 on the inner surface of the pipe head 6 is attached to the second thread layer 5, the pipe head 6 is screwed into the inside of the first pipeline 1 on two sides through the mutual matching among the first thread layer 3, the spacer ring 4, the second thread layer 5 and the third thread layer 7, after the first pipeline 1 is connected with the second pipeline 8, the protective layer 11 can be attached to the joint of the first pipeline 1 and the second pipeline 8, the protective layer 11 is connected with the nut 14 through the threads between the half-thread columns 13 and the nut 14, the two semicircular protective layers 11 are rotated through the rotating shaft 12 to form a whole-circle structure, and then the nut 14 is screwed on the outer sides of the two half-thread columns 13 clockwise, the protective layer 11 is clamped by the mutual matching between the nut 14 and the half-thread column 13, so that the joint of the first pipeline 1 and the second pipeline 8 is protected, which is the working principle of the high-strength polyethylene composite pipe connector.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound union coupling spare of high strength polyethylene, includes first pipeline (1), two-sided screw mechanism (2) and protection machanism (9), its characterized in that: the right side of first pipeline (1) is provided with pipeline head (6), and third screw thread layer (7) have all been seted up to the interior external surface of pipeline head (6), the right side integration of pipeline head (6) is provided with second pipeline (8), two-sided screw mechanism (2) are located the inside of first pipeline (1), protection machanism (9) are located the outside of second pipeline (8) and first pipeline (1).

2. The high strength polyethylene composite pipe coupling according to claim 1, wherein: the first pipeline (1) is in threaded connection with the second pipeline (8) through the pipeline head (6) and the third threaded layer (7), and the inner diameter of the pipeline head (6) is smaller than that of the second pipeline (8).

3. The high strength polyethylene composite pipe coupling according to claim 1, wherein: the double-sided thread mechanism (2) comprises a first thread layer (3), a spacer ring (4) and a second thread layer (5), the spacer ring (4) is arranged on the inner side of the first thread layer (3), the second thread layer (5) is arranged on the inner wall of the spacer ring (4), and the transverse center line of the spacer ring (4) and the transverse center line of the first pipeline (1) are located on the same horizontal line.

4. The high strength polyethylene composite pipe coupling according to claim 1, wherein: protection machanism (9) are including sealed rubber bed course (10), inoxidizing coating (11), pivot (12), half thread post (13) and nut (14), and the surface integration of sealed rubber bed course (10) is provided with inoxidizing coating (11), the one end of inoxidizing coating (11) is connected with pivot (12), and the other end outside fixed mounting of inoxidizing coating (11) has half thread post (13), the outside of half thread post (13) has connect nut (14) soon.

5. The high strength polyethylene clad pipe coupling according to claim 4, wherein: the outer surface of the sealing rubber cushion layer (10) is attached to the inner surface of the protective layer (11), and the protective layer (11) forms a rotating structure through a rotating shaft (12).

6. The high strength polyethylene clad pipe coupling according to claim 4, wherein: half screw thread post (13) are provided with two altogether, and threaded connection between inoxidizing coating (11) through half screw thread post (13) and nut (14).