CN212851065U

CN212851065U - Tube head connecting structure of heating tube

Info

Publication number: CN212851065U
Application number: CN202021531257.7U
Authority: CN
Inventors: 陈祖坤
Original assignee: Stark Hangzhou Heating Technology Co ltd
Current assignee: Stark Hangzhou Heating Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-30
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a tube head connection structure of heating pipe, including heating pipe and connector, its characterized in that: a connecting hole is formed in the middle of the connector, a step part is arranged on the inner side wall of the connecting hole, and the side wall of the step part extends outwards to form a welding part; the end part of the heating pipe is embedded in the connecting hole and is abutted against the step part; the welding part is welded with the outer side wall of the heating pipe. The utility model discloses can make between connector and the heating pipe welding become convenient, reduce welding process's problem, have the characteristics that improve the product percent of pass.

Description

Tube head connecting structure of heating tube

Technical Field

The utility model relates to a heater technical field specifically is a tube head connection structure of heating pipe.

Background

The heating pipe is made up by filling electric heating wire in seamless metal pipe (carbon steel pipe, titanium pipe, stainless steel pipe and copper pipe), filling magnesium oxide powder with good heat conductivity and insulativity into the gap portion, then making it into various shapes required by user. Heating pipe among the prior art need set up a connector in the tube head position usually for easy dismounting in equipment, this connector often is connected with the heating pipe through riveting or welded mode, but riveted mode has the problem that drops easily, and adopt the welded mode to need to weld the pipe wall of connector and heating pipe through the mode of filling the solder, to the less article of this kind of structure of heating pipe and connector, the welding operation requirement is high, appear easily disconnected welding, rosin joint scheduling problem, cause the quality problem of heating pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tube head connection structure of heating pipe. The utility model discloses can make between connector and the heating pipe welding become convenient, reduce welding process's problem, have the characteristics that improve the product percent of pass.

The technical scheme of the utility model: a pipe head connecting structure of a heating pipe comprises the heating pipe and a connector, wherein a connecting hole is formed in the middle of the connector, a step part is arranged on the inner side wall of the connecting hole, and the side wall of the step part extends outwards to form a welding part; the end part of the heating pipe is embedded in the connecting hole and is abutted against the step part; the welding part is welded with the outer side wall of the heating pipe.

In the pipe head connecting structure of the heating pipe, the distance between the step part and the end face of the connecting hole is 5-50 mm.

In the pipe head connecting structure of the heating pipe, the distance between the step part and the end face of the connecting head is 30 mm.

In the tube head connecting structure of the heating tube, the distance between the end face of the welding part and the end face of the connecting head is 0.5-2.5mm, and the thickness of the welding part is 0.1-5 mm.

In the tube head connecting structure of the heating tube, the distance between the end face of the welding part and the end face of the connecting head is 1.5mm, and the thickness of the welding part is 0.1-5 mm.

In the pipe head connecting structure of the heating pipe, the side surface of the connector is provided with a plurality of fastening planes.

In the pipe head connecting structure of the heating pipe, the number of the buckling planes is 2, and the buckling planes are symmetrically arranged.

Compared with the prior art, the connecting hole is arranged in the middle of the connector, the step part is arranged on the inner side wall of the connecting hole, and the side wall of the step part extends outwards to form the welding part; then inlay the tip of heating pipe and establish in the connecting hole and inconsistent with step portion, carry out the fusion welding with the lateral wall of weld part and heating pipe at last, consequently the utility model discloses need not to add the solder, utilize the weld part under high temperature with the lateral wall fusion welding of heating pipe to this makes the fixed connection between connector and the heating pipe, has the simple operation, and processing convenient characteristics can also reduce the broken welding that conventional welding mode appears often, rosin joint scheduling problem, has improved the product percent of pass, and utilizes the weld part to weld, the welding department that makes is very pleasing to the eye. Furthermore, the utility model discloses still set up a plurality of buckle planes in the side of connector for in the heating pipe dismouting process, can utilize instrument such as spanner to carry out the dismouting with the cooperation of buckle plane, it is simple convenient.

Drawings

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

FIG. 2 is a schematic structural diagram of a connecting head;

fig. 3 is a schematic sectional structure diagram of the connecting head.

Reference numerals

1. Heating a tube; 2. a connector; 3. connecting holes; 4. a step portion; 5. welding the part; 6. and (5) buckling planes.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a pipe head connecting structure of a heating pipe 1 is shown in figures 1-3 and comprises a heating pipe 1 and a connector 2, wherein the heating pipe 1 is a circular pipe, and the connector 2 is in a sleeve shape; in other embodiments, the heating tube 1 may have other shapes, not limited to a circular tube shape, and the connector 2 is also a shape adapted to the heating tube 1; a connecting hole 3 is formed in the middle of the connector 2, a step part 4 is arranged on the inner side wall of the connecting hole 3, and the distance between the step part 4 and the end face of the connecting hole 3 (the end face is the end face closest to the step part) is 30 mm; the side wall of the step part 4 extends outwards to form an end face of the connector 2 to form a welding part 5, the distance between the end face of the welding part 5 and the end face of the connector 2 is 1.5mm, and the thickness of the welding part 5 is 1.5 mm; the end part of the heating pipe 1 is embedded in the connecting hole 3 and is abutted against the step part 4; the welding part 5 is welded with the outer side wall of the heating pipe 1. The utility model discloses a connecting hole 3 is opened in the middle of connector 2, step portion 4 is arranged on the inner side wall of connecting hole 3, the end face of connector 2 is extended outwards from the side wall of step portion 4 to form welding portion 5; then inlay the tip of heating pipe 1 and establish in connecting hole 3 and inconsistent with step portion 4, carry out the fusion welding with weld part 5 and heating pipe 1's lateral wall at last, consequently the utility model discloses need not to add the solder, utilize weld part 5 and heating pipe 1's lateral wall fusion welding under high temperature, make the fixed connection between connector 2 and the heating pipe 1 with this, have the simple operation, convenient processing's characteristics, can also reduce the broken welding that conventional welding mode appears often, rosin joint scheduling problem, the product percent of pass has been improved, and utilize weld part 5 to weld, the welding department that makes is very pleasing to the eye.

As further preferred, the side of connector 2 is equipped with 2 buckle planes 6 that the symmetry set up for in the 1 dismouting in-process of heating pipe, can utilize instrument such as spanner and the cooperation of buckle plane 6 to carry out the dismouting, it is simple convenient.

Principle of operation

A connecting hole 3 is formed in the middle of the connector 2, a step part 4 is arranged on the inner side wall of the connecting hole 3, and the side wall of the step part 4 extends outwards to form a welding part 5; then, the end of the heating pipe 1 is embedded in the connecting hole 3 and is abutted against the step part 4, and finally, the welding part 5 is welded with the outer side wall of the heating pipe 1 in a melting way.

Claims

1. The utility model provides a tube head connection structure of heating pipe, includes heating pipe (1) and connector (2), its characterized in that: a connecting hole (3) is formed in the middle of the connector (2), a step part (4) is arranged on the inner side wall of the connecting hole (3), and the side wall of the step part (4) extends outwards to form a welding part (5) from the end face of the connector (2); the end part of the heating pipe (1) is embedded in the connecting hole (3) and is abutted against the step part (4); the welding part (5) is welded with the outer side wall of the heating pipe (1).

2. The heating pipe tip connection structure of claim 1, wherein: the distance between the step part (4) and the end face of the connecting hole (3) is 5mm-50 mm.

3. The heating pipe head connection structure of claim 2, wherein: the distance between the step part (4) and the end face of the connector (2) is 30 mm.

4. The heating pipe tip connection structure of claim 1, wherein: the distance between the end face of the welding part (5) and the end face of the connector (2) is 0.5-2.5mm, and the thickness of the welding part (5) is 0.1-5 mm.

5. The heating pipe tip connection structure of claim 1, wherein: the distance between the end face of the welding part (5) and the end face of the connector (2) is 1.5mm, and the thickness of the welding part (5) is 1.5 mm.

6. The heating pipe tip connection structure of claim 1, wherein: the side of connector (2) is equipped with a plurality of buckle planes (6).

7. The heating pipe tip connection structure of claim 6, wherein: the number of the buckling planes (6) is 2, and the buckling planes are symmetrically arranged.