CN212203548U

CN212203548U - Pipe fitting joint for connecting thin-wall stainless steel water pipe and PE (polyethylene) pipe

Info

Publication number: CN212203548U
Application number: CN202020559784.2U
Authority: CN
Inventors: 宋林华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-22
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a pipe joint for connecting a thin-wall stainless steel water pipe and a PE pipe, which comprises a stainless steel pipe and a PE pipe, wherein one end of the PE pipe is provided with a PE pipe joint, the other end of the PE pipe is provided with a part welding seat opening, and the tail end of the stainless steel pipe is welded in the part welding seat opening; the utility model discloses a pipe fitting connects and uses a conversion pipe fitting just can solve the connection between two kinds of pipe fittings to realize the lug connection of thin wall stainless steel water pipe and PE pipe, reducible about half material cost, man-hour cost, material saving reduces intensity of labour, has also reduced the quantity of fault point in the connection, and more reliable also more swift, easily realize the volume production and use, improve connection efficiency, convenient to use, convenient to detach and maintenance.

Description

Pipe fitting joint for connecting thin-wall stainless steel water pipe and PE (polyethylene) pipe

Technical Field

The utility model relates to a pipe fitting connects, in particular to thin wall stainless steel water pipe and PE union coupling use pipe fitting to connect belongs to pipe fitting jointing equipment technical field.

Background

The thin-wall stainless steel water pipe has various connection modes such as a clamping type mode, a socket type mode, a ring type mode, a clamping convex mode, a screw thread type mode, a groove type mode and a welding mode, and the common connection modes are mostly clamping type modes; the PE pipes which are quickly and easily connected in a ring mode through expansion flaring are also good in type, such as PE-Xa, PE-Xb, PE-Xc and PE-RT, pipe fittings are made of copper or PPSU materials and are integrally formed in a casting mode, and no extra joint part or welding process is adopted in accessory production.

The connecting mode of the existing common thin-wall stainless steel water pipe is mostly clamping and pressing, and the connecting mode of a PE pipe (mainly taking a PE-Xa pipe) is an expansion and flaring quick-ring type; therefore, when the thin-wall stainless steel water pipe and the PE pipe are connected with each other, one end of the stainless steel pipe needs to be provided with an inner wire or outer wire pipe fitting, one end of the PE pipe needs to be provided with an inner wire or outer wire pipe fitting, the two pipe fittings with wires are mutually butted to realize the connection of the two pipes, the connection mode needs to be converted by additionally adding one pipe fitting (made of copper or PPSU materials), the material cost and the working hour cost are increased, and the material waste is also caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a thin wall stainless steel water pipe and PE union coupling are with pipe fitting joint has solved the material cost that thin wall stainless steel water pipe and PE union coupling exist among the prior art, the problem of man-hour cost increase and material waste.

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

the utility model provides a thin wall stainless steel water pipe and PE pipe connection are with pipe fitting joint, including stainless steel pipe fitting and PE pipe fitting, the one end of PE pipe fitting is provided with PE pipe connector, the other end of PE pipe fitting is provided with the part welding seat mouth, the tail end welding of stainless steel pipe fitting is in the part welding seat mouth.

As an optimal technical scheme of the utility model, it is protruding to be provided with the round annular on the stainless steel pipe fitting, install rubber seal in the annular is protruding.

As an optimal technical scheme of the utility model, the front end of stainless steel pipe fitting still is provided with the nonrust steel pipe interface, the annular arch is close to the nonrust steel pipe interface.

As an optimal technical scheme of the utility model, the outside of PE pipe fitting still is provided with the location separation blade, the location separation blade is close to the part welding seat mouth.

As an optimized technical solution of the present invention, the pipe fitting joint may be a straight pipe fitting joint, a tee pipe fitting joint, or an elbow pipe fitting joint.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a thin wall stainless steel water pipe is connected with PE pipe and is used pipe fitting joint compares with prior art, has following beneficial effect:

1. the utility model discloses a pipe fitting connects and uses a conversion pipe fitting just can solve the connection between two kinds of pipe fittings, and reducible about half material cost, man-hour cost reduce intensity of labour, have also reduced the quantity of fault point in the connection, and more reliable also more swift, easily realize the volume production and use.

2. The utility model discloses a pipe fitting connects can realize thin-walled stainless steel water pipe and PE pipe lug connection, reduces the costly, the extravagant these problems of material that traditional connected mode exists, improves connection efficiency, convenient to use, convenient to detach and maintenance.

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 a three-dimensional structure of a straight-through pipe fitting joint for connecting a thin-wall stainless steel water pipe and a PE pipe, which is provided by the utility model;

FIG. 2 is a schematic view of a cross-sectional structure of a straight-through pipe fitting of a pipe fitting joint for connecting a thin-walled stainless steel water pipe and a PE pipe, according to the present invention;

FIG. 3 is a schematic view of a three-way pipe fitting of a pipe fitting joint for connecting a thin-walled stainless steel water pipe and a PE pipe according to the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of a tee joint for connecting a thin-walled stainless steel water pipe and a PE pipe according to the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of an elbow pipe fitting of a pipe fitting joint for connecting a thin-walled stainless steel water pipe and a PE pipe, according to the present invention;

FIG. 6 is a schematic view of the cross-sectional structure of an elbow pipe fitting of a pipe fitting joint for connecting a thin-walled stainless steel water pipe and a PE pipe, according to the present invention;

FIG. 7 is a schematic view of the three-dimensional structure of a PE pipe fitting of a pipe fitting joint for connecting a thin-walled stainless steel water pipe and a PE pipe, according to the present invention;

fig. 8 is a schematic view of a cross-sectional structure of a PE pipe of a pipe joint for connecting a thin-walled stainless steel water pipe and a PE pipe according to the present invention;

in the figure: 1. stainless steel pipe fittings; 2. PE pipe fittings; 3. a part welding seat opening; 4. positioning a baffle plate; 5. an annular projection; 6. a rubber seal ring; 7. a stainless steel pipe interface; 8. and (6) connecting the PE pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-8, the utility model provides a thin wall stainless steel water pipe and PE pipe are connected and are used coupling, including stainless steel pipe fitting 1 and PE pipe fitting 2, the one end of PE pipe fitting 2 is provided with PE pipe connector 8, and the other end of PE pipe fitting 2 is provided with part welding seat mouth 3, and the tail end welding of stainless steel pipe fitting 1 is in part welding seat mouth 3.

One end of the PE pipe fitting 2 is provided with a part welding seat opening 3, the outer diameter of the part welding seat opening 3 is larger than the inner diameter of the part welding seat opening, the inner side surface of the part welding seat opening 3 is an inclined plane, the tail end of the stainless steel pipe fitting 1 is in butt joint with the part welding seat opening 3, welding is carried out, and the stainless steel pipe fitting 1 and the PE pipe fitting 2 can be connected together to form a pipe fitting joint.

A circle of annular bulge 5 is arranged on the stainless steel pipe fitting 1, and a rubber sealing ring 6 is arranged in the annular bulge 5; the front end of the stainless steel pipe fitting 1 is also provided with a stainless steel pipe interface 7, and the annular bulge 5 is close to the stainless steel pipe interface 7.

The stainless steel pipe fitting 1 can be connected with a stainless steel water pipe through a stainless steel pipe connector 7, and the rubber sealing ring 6 can increase the air tightness of the stainless steel pipe connector 7 and avoid water leakage.

The outer side of the PE pipe fitting 2 is further provided with a positioning blocking piece 4, the positioning blocking piece 4 is close to the part welding seat opening 3, the PE pipe can be accurately and in place during connection through the positioning blocking piece 4, and leakage faults at the connection position are avoided.

The pipe fitting joint may be a straight through pipe fitting joint, a tee pipe fitting joint, or an elbow pipe fitting joint.

As shown in fig. 1-2, the straight-through pipe fitting joint is formed by directly connecting a stainless steel pipe fitting 1 and a PE pipe fitting 2, and can connect a water pipe and a PE pipe together horizontally, as shown in fig. 3-4, the PE pipe fitting 2 is connected to a three-way stainless steel pipe fitting 1 to form a three-way pipe fitting joint, and can realize the connection of two water pipes and a PE pipe; as shown in fig. 5-6, a stainless steel pipe fitting 1 is formed with a PE pipe fitting 2, and the tail of the stainless steel pipe fitting 1 is bent to form a 90-degree bent elbow pipe fitting with the PE pipe fitting 2, so that the vertical connection between the water pipe and the PE pipe can be realized.

The utility model discloses a pipe fitting connects and uses a conversion pipe fitting just can solve the connection between two kinds of pipe fittings to realize the lug connection of thin wall stainless steel water pipe and PE pipe, reducible about half material cost, man-hour cost, material saving reduces intensity of labour, has also reduced the quantity of fault point in the connection, and more reliable also more swift, easily realize the volume production and use, improve connection efficiency, convenient to use, convenient to detach and maintenance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thin wall stainless steel water pipe and PE pipe are connected and are used pipe fitting joint, includes stainless steel pipe fitting (1) and PE pipe fitting (2), its characterized in that, the one end of PE pipe fitting (2) is provided with PE pipe connector mouth (8), the other end of PE pipe fitting (2) is provided with part welding seat mouth (3), the tail end welding of stainless steel pipe fitting (1) is in part welding seat mouth (3).

2. The pipe fitting joint for connecting the thin-wall stainless steel water pipe and the PE pipe according to claim 1, wherein a circle of annular bulge (5) is arranged on the stainless steel pipe (1), and a rubber sealing ring (6) is arranged in the annular bulge (5).

3. The pipe fitting joint for connecting the thin-wall stainless steel water pipe and the PE pipe according to claim 2, wherein a stainless steel pipe joint (7) is further arranged at the front end of the stainless steel pipe fitting (1), and the annular bulge (5) is close to the stainless steel pipe joint (7).

4. The pipe joint for connecting the thin-wall stainless steel water pipe and the PE pipe according to claim 1, wherein a positioning baffle (4) is further arranged on the outer side of the PE pipe (2), and the positioning baffle (4) is close to the part welding seat opening (3).

5. The fitting according to claim 1, wherein the fitting is a straight fitting, a tee fitting, or an elbow fitting.