CN218441094U

CN218441094U - Steel-plastic adapter for threaded pipe fitting

Info

Publication number: CN218441094U
Application number: CN202222815706.6U
Authority: CN
Inventors: 朱海勇; 温洪刚; 吕耀军; 王玮; 王龙
Original assignee: Jilin Province Songjiang Huizhi Technology Co ltd
Current assignee: Jilin Province Songjiang Huizhi Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-03
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a pipe connection technical field, concretely relates to crossover sub is moulded to steel of screw thread pipe fitting, including connecting the main part, butt joint pipe and first elasticity leather sheath, the right side that connects the main part is provided with second elasticity leather sheath. The utility model overcomes prior art's is not enough, through being provided with first elasticity leather sheath and second elasticity leather sheath, make and connect the main part to accomplish the back to the switching work of plastic tubing and tubular metal resonator, can roll over down first elasticity leather sheath towards the direction of plastic tubing, make first elasticity leather sheath can wrap up the surface of plastic tubing, and second elasticity leather sheath rolls over down towards tubular metal resonator department, the realization is wrapped up the surface of tubular metal resonator, make first elasticity leather sheath and second elasticity leather sheath can cover two butt joints, reduce the pollution that plastic tubing and tubular metal resonator and joint main part junction received, can slow down plastic tubing and tubular metal resonator and the corrosion of joint main part junction and rust, avoid influencing the dismantlement work of later stage to the joint main part.

Description

Steel-plastic adapter for threaded pipe fitting

Technical Field

The utility model relates to a pipe connection technical field specifically is a crossover sub is moulded to steel of screw thread pipe fitting.

Background

In the pipe connection field, a plurality of connecting joints can be used, a tee joint, a four-way joint and the like can be used when the pipeline branches are connected, and the connecting joints can be used when pipelines of different materials are connected, such as metal pipes and plastic pipes.

However, after the plastic pipe and the metal pipe are connected by the steel-plastic adapter of the existing threaded pipe fittings, the joint between the plastic pipe and the steel-plastic adapter is easily polluted, so that after a long time, the corrosion of the joint between the plastic pipe and the steel-plastic adapter can be accelerated, the later disassembly work of the steel-plastic adapter is influenced, and after the plastic pipe and the metal pipe are connected with the two ends of the steel-plastic adapter by threads, the phenomenon of leakage of the contact ends of the joint pipe and the plastic pipe and the metal pipe is easy to occur, so that the sealing performance of the steel-plastic adapter connected with the plastic pipe and the metal pipe is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a crossover sub is moulded to steel of screw thread pipe fitting aims at solving prior art, and the junction between plastic tubing and the steel-plastic crossover sub receives the pollution easily for long back can accelerate the corruption of plastic tubing and steel-plastic crossover sub junction, influences the later stage and moulds the problem that crossover sub carries out dismantlement work to steel.

In order to solve the technical problem, the utility model provides a following technical scheme:

a steel-plastic adapter for threaded pipe fittings comprises an adapter main body, a butt joint pipe and a first elastic leather sheath, wherein a second elastic leather sheath is arranged on the right side of the adapter main body;

first elasticity leather sheath and second elasticity leather sheath use to connect the main part to distribute as central symmetry, and the length of first elasticity leather sheath and second elasticity leather sheath is greater than the length of butt joint pipe.

Preferably, the sealing ring and the embedding groove are arranged in an embedding manner, and the depth of the embedding groove is two thirds of the height of the sealing ring.

Preferably, the inner wall of the butt joint pipe is provided with a threaded opening, the left side of the butt joint pipe on the left side is provided with a plastic pipe, and the right side of the butt joint pipe on the right side is provided with a metal pipe.

Preferably, the plastic pipe and the metal pipe are fixedly provided with threaded pipes at one ends close to the butt joint pipe, and the threaded pipes are in threaded connection with the threaded openings.

Preferably, the first elastic leather sheath and the second elastic leather sheath are respectively arranged on outer rings of the two butt joint pipes.

The embodiment of the utility model provides a crossover sub is moulded to steel of screw thread pipe fitting possesses following beneficial effect: this device is after carrying out threaded connection to plastic tubing and tubular metal resonator, can utilize first elasticity leather sheath and second elasticity leather sheath to carry out the cover department to plastic tubing and tubular metal resonator and joint main part junction, reduce the pollution that plastic tubing and joint main part junction received, can slow down the corrosion of plastic tubing and joint main part junction and rust, avoid influencing the dismantlement work of later stage to the joint main part, and plastic tubing and tubular metal resonator threaded connection are behind the both ends that connect the main part, there is the sealing washer plastic tubing and the contact surface that connects the main part, thereby increase the leakproofness of connecting the main part after to plastic tubing and tubular metal resonator, make the contact jaw of butt joint pipe and plastic tubing and tubular metal resonator be difficult to appear revealing the phenomenon.

1. Through being provided with first elasticity leather sheath and second elasticity leather sheath, make the joint main part accomplish the back to the switching work of plastic tubing and tubular metal resonator, can roll up down first elasticity leather sheath towards the direction of plastic tubing, make first elasticity leather sheath can wrap up the surface of plastic tubing, and second elasticity leather sheath rolls up down towards tubular metal resonator department, the realization is wrapped up the surface of tubular metal resonator, make first elasticity leather sheath and second elasticity leather sheath can cover two butt joints, reduce the pollution that plastic tubing and tubular metal resonator and joint main part junction received, can slow down the corrosion rust of plastic tubing and tubular metal resonator and joint main part junction, avoid influencing the dismantlement work of later stage joint main part.

2. Through being provided with embedded groove and sealing washer, make the utilization carry out threaded connection with the screwed pipe of plastic tubing and tubular metal resonator one end respectively to the joint pipe, the joint pipe can contact with the terminal surface of plastic tubing and tubular metal resonator respectively after that, install this moment and can be located the plastic tubing and the centre to the joint pipe at the sealing washer of joint pipe port embedded groove, to adding one sealed effect between plastic tubing and the joint pipe, the junction of tubular metal resonator and joint pipe is also so, thereby increase the leakproofness of joint main part after connecting plastic tubing and tubular metal resonator, make the contact jaw of joint pipe and plastic tubing and tubular metal resonator be difficult to appear revealing the phenomenon.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the split structure of the butt joint pipe and the sealing ring of the present invention;

fig. 3 is a schematic structural view of the first elastic leather sheath and the second elastic leather sheath of the present invention.

In the figure: 1. a connector body; 2. butt-joint pipes; 3. a plastic tube; 4. a threaded pipe; 5. a metal tube; 6. embedding the groove; 7. a seal ring; 8. a first elastic leather sheath; 9. a second elastic leather sheath.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example (b): as shown in fig. 1-3, a steel-plastic crossover sub of screw thread pipe fitting, including connecting main part 1, butt joint pipe 2 and first elasticity leather sheath 8, the right side that connects main part 1 is provided with second elasticity leather sheath 9, make connect main part 1 utilize butt joint pipe 2 to be connected the back with plastic tubing 3 and tubular metal resonator 5, can turn down first elasticity leather sheath 8 and wrap up left plastic tubing surface, and second elasticity leather sheath 9 turns down and wraps up the tubular metal resonator 5 surface on right side, realize wrapping up the protection to the junction between butt joint pipe 2 and plastic tubing 3 and the tubular metal resonator 5, slow down the corrosion rusting phenomenon that appears in the junction.

Specifically, referring to fig. 2, the sealing ring 7 and the insertion groove 6 are arranged to be embedded, and the depth of the insertion groove 6 is two thirds of the height of the sealing ring 7, so that the sealing ring 7 is embedded and installed inside the insertion groove 6, and then after the plastic pipe 3 and the metal pipe 5 are connected with the butt-joint pipe 2, the sealing ring 7 is located between the plastic pipe 3 and the butt-joint pipe 2, and the joint between the plastic pipe 3 and the butt-joint pipe 2 is sealed again, as is the joint between the metal pipe 5 and the butt-joint pipe 2.

Specifically, referring to fig. 1, a threaded pipe 4 is fixedly installed at one end of each of the plastic pipe 3 and the metal pipe 5 close to the butt joint pipe 2, and the threaded pipe 4 is in threaded connection with a threaded port, so that the plastic pipe 3 and the metal pipe 5 can be in threaded connection with the butt joint pipe 2 by using the threaded pipe 4 at the end face, and the joint main body 1 can perform switching operation on the plastic pipe 3 and the metal pipe 5.

Specifically, referring to fig. 1, the first elastic leather sheath 8 and the second elastic leather sheath 9 are respectively disposed on the outer rings of the two butt-joint pipes 2, so that the connection between the butt-joint pipes 2 and the threaded pipes 4 is not affected after the first elastic leather sheath 8 and the second elastic leather sheath 9 are turned up.

The working principle is as follows: firstly, the butt joint pipes 2 at two ends of the joint main body 1 are respectively in threaded connection with the threaded pipes 4 at one ends of the plastic pipe 3 and the metal pipe 5, then the butt joint pipes 2 can respectively contact with the end faces of the plastic pipe 3 and the metal pipe 5, at the moment, the sealing rings 7 installed in the embedded grooves 6 at the port of the butt joint pipe 2 can be located between the plastic pipe 3 and the butt joint pipes 2, a sealing effect is added between the plastic pipe 3 and the butt joint pipes 2, the connection positions of the metal pipe 5 and the butt joint pipes 2 are also the same, the sealing performance of the joint main body 1 after the plastic pipe 3 and the metal pipe 5 are connected is improved, the contact ends of the butt joint pipe 2 and the plastic pipe 3 and the metal pipe 5 are not prone to leakage, after the joint main body 1 completes the switching work of the plastic pipe 3 and the metal pipe 5, the first elastic leather sleeve 8 can be hemmed down towards the direction of the plastic pipe 3, the surface of the plastic pipe 3 can be wrapped by the first elastic leather sleeve 8, the second elastic leather sleeve 9 can be wrapped towards the metal pipe 5, the surface of the metal pipe 5, the joint main body can be wrapped, the corrosion of the joint main body and the joint main body can be reduced, and the joint main body can be prevented from being polluted by the joint main body and the joint main body 3 and the joint main body 5, and the joint joints 5 in the later period.

Claims

1. A steel-plastic adapter for a threaded screw pipe fitting comprises a connector main body (1), a butt joint pipe (2) and a first elastic leather sleeve (8), and is characterized in that a second elastic leather sleeve (9) is arranged on the right side of the connector main body (1), an embedded groove (6) is formed in one end, far away from the connector main body (1), of the butt joint pipe (2), and a sealing ring (7) is arranged on the side face of the embedded groove (6);

the first elastic leather sheath (8) and the second elastic leather sheath (9) are symmetrically distributed by taking the joint main body (1) as a center, and the length of the first elastic leather sheath (8) and the length of the second elastic leather sheath (9) are larger than that of the butt joint pipe (2).

2. Steel-plastic crossover joint for threaded tubular elements according to claim 1, characterized in that said sealing ring (7) and the embedding groove (6) are in an embedding arrangement and the depth of the embedding groove (6) is two thirds of the height of the sealing ring (7).

3. Steel-plastic crossover connection for threaded tubular elements according to claim 1, characterized in that the inner wall of the butt-joint pipe (2) is provided with a threaded mouth, and the left side of the left butt-joint pipe (2) is provided with a plastic pipe (3) and the right side of the right butt-joint pipe (2) is provided with a metal pipe (5).

4. The steel-plastic crossover sub of the threaded tubular component according to claim 3, characterized in that the plastic pipe (3) and the metal pipe (5) are fixedly provided with threaded pipes (4) at ends close to the butt joint pipe (2), and the threaded pipes (4) are in threaded connection with threaded openings.

5. Steel-plastic crossover joint for threaded pipes according to claim 1, characterized in that said first (8) and second (9) elastic leather sheaths are respectively arranged on the outer rings of the two butt pipes (2).