CN216288994U

CN216288994U - Self-locking type lining hot-melting tin-copper connecting structure

Info

Publication number: CN216288994U
Application number: CN202122908793.5U
Authority: CN
Inventors: 宋鹏; 杨东楠; 庄冬梅; 黎泉; 田玉喜
Original assignee: South Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Current assignee: South Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-12
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a self-locking lining hot-melt tin-copper connecting structure, which is characterized in that the copper connecting structure is a copper connecting pipe or a copper connecting nose, a convex part is arranged on the inner wall of the copper connecting pipe or the copper connecting nose, a lining hot-melt tin layer is arranged on the outer side of the convex part, and the lining hot-melt tin layer fills the inside of the copper connecting structure to form a flat cavity. The utility model has simple structure and reasonable design, the self-locking bayonet is added in the connecting structure, the hot-melting tin is lined in the self-locking bayonet, the clamping groove is formed after compression joint, the copper wire is compacted to form the anti-drop mouth, in addition, the tin permeates into the copper wire and the copper wire to form a connecting body, the integrity and the stability of the copper wire are achieved, the drop is prevented, the oxidation can be prevented for a long time, and the conductive efficiency is improved.

Description

Self-locking type lining hot-melting tin-copper connecting structure

Technical Field

The utility model relates to the field of cable accessories, in particular to a self-locking type lining hot-melt tin-copper connecting structure.

Background

In the prior art, a copper connecting pipe or a copper nose is usually required to perform cladding compression connection on the cable joint. With the continuous improvement of the use requirements, people also put higher requirements on the copper pipe or copper nose cladding compression connection technology of the cable. The traditional copper connecting pipe and the copper nose are in a crimping type, occasionally, the phenomenon that the wire is disconnected due to incompact crimping and the electric conduction efficiency is not high due to loose inside can occur, and the oxidation phenomenon can also occur in a long period.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a self-locking type lining hot-melt tin-copper connecting structure which is simple in structure, and after compression joint is carried out, hot-melt tin permeates into a copper wire to form a connecting body with the copper wire, so that the integrity and the stability of copper wire connection are achieved, falling is prevented, and oxidation can be prevented for a long time.

The technical scheme provided by the utility model is as follows: the utility model provides a from locking-type inside lining hot melt tin copper connection structure, copper connection structure is copper connecting pipe or copper connection nose, the upper and lower bilateral symmetry of copper connecting pipe or copper connection nose inner wall is equipped with the bellying, the bellying outside is provided with inside lining hot melt tin layer, and inside lining hot melt tin layer forms smooth cavity with copper connection structure's inside packing.

Furthermore, the convex part is a smooth arc-shaped convex part, and the convex part and the copper connecting pipe or the copper connecting nose are integrally formed.

Furthermore, two ends of an opening of the copper connecting pipe are symmetrically provided with two protruding parts respectively, and a straight groove is formed in the middle of each of the four protruding parts.

Furthermore, the protruding parts are arranged at the opening end of the copper connecting nose, and a U-shaped groove is formed between the two protruding parts and the inner wall of the sealing end of the copper connecting nose.

Furthermore, the thickness of the lining hot melting tin layer is 0.5-1 mm.

Furthermore, the pipe orifice of the copper connecting structure is pressed and connected after the pipe orifice and the lead are clamped by adopting a blocking clamp.

Furthermore, the shape of the barrier card is a circular ring with an opening.

The utility model has simple structure, ingenious design and convenient use, the self-locking bayonet is added in the connecting structure, the hot melting tin layer with the inner lining of 0.5-1mm is lined, the clamping groove is formed after compression joint, the copper wire is compacted to form the anti-drop opening, in addition, the hot melting tin is infiltrated into the copper wire and the copper connecting structure to form a connecting body after melting, the integrity and the stability of compression joint of the copper wire are achieved, the drop is prevented, the oxidation can be prevented for a long time, and the conductive efficiency is increased.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

FIG. 3 is a schematic structural view of a copper connection tube;

FIG. 4 is a schematic view of the structure of a copper connection nose;

FIG. 5 is a schematic view of a barrier card configuration;

in the figure: the structure comprises 1-copper connecting pipe, 2-copper connecting nose, 3-reverse clamping groove, 4-lining hot melting tin layer, 5-cavity, 6-barrier clamp, 7-straight direction groove and 8-U-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 and fig. 3, the copper connection structure is a copper connection pipe 1, two protrusions 3 and four are symmetrically arranged at two ends of an opening of the copper connection pipe 1 respectively, a concave straight direction groove 7 is formed in the middle of each protrusion 3, a lining hot-melt tin layer 4 is arranged on the outer side of each protrusion 3, and the lining hot-melt tin layer 4 fills the inside of the copper connection structure to form a smooth cavity 5.

The boss 3 is a smooth arc-shaped boss, and the boss 3 and the copper connecting pipe 1 are integrally formed. And the pipe orifice of the copper connecting structure is pressed and connected after the pipe orifice and the lead are clamped by adopting the barrier clamp 6. The barrier card 6 is shaped as a ring with an opening, as shown in fig. 5. The thickness of the lining hot melting tin layer 4 is 0.5-1 mm.

Example 2

As shown in fig. 2 and 4, the self-locking type inner lining hot-melt tin-copper connecting structure is a copper connecting nose, and is different from the embodiment 1 in that: the upper side and the lower side of the opening end of the copper connecting nose 2 are symmetrically provided with protruding parts 3, and a U-shaped groove 8 is formed between the two protruding parts and the inner wall of the sealing end of the copper connecting nose 2.

When the utility model is used in particular, the utility model,

(1) the peeled copper wire is sleeved in a copper connecting pipe or a copper connecting nose pipe (the two ends of the copper connecting pipe are inserted into the middle line to be aligned), and the pipe orifice is clamped by a separation clamp.

(2) Sleeving the crimping area into a bayonet of a heating type crimping device, heating for 5 seconds, melting and infiltrating the hot-melt tin inside the wire to form a wrapping layer to be connected with the copper wall, and knocking three times from the hangers by using a small hammer after the copper nose is heated to enable the wire ends to be propped against and close to the copper wall.

(3) The crimping ware carries out once the crimping, makes the direction groove extrusion copper line of inner wall and forms anti-calorie shape recess, makes the copper line card jail, and the perfect infiltration of tin is wrapped up and is connected copper line and pipe wall, cooling shaping.

(4) And removing the clamp of the pipe orifice to finish the connection.

The above is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the utility model, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the scope of the present invention.

Claims

1. The utility model provides a from locking-type inside lining hot melt tin copper connection structure which characterized in that: copper connection structure is copper connecting pipe (1) or copper connection nose (2), the upper and lower bilateral symmetry of copper connecting pipe (1) or copper connection nose (2) inner wall is equipped with bellying (3), bellying (3) outside is provided with inside lining hot melt tin layer (4), and inside packing that inside hot melt tin layer (4) will copper connection structure forms smooth cavity (5).

2. The self-locking type lining hot melt tin-copper connecting structure as claimed in claim 1, wherein: the lug boss (3) is a smooth arc-shaped lug boss, and the lug boss (3) and the copper connecting pipe (1) or the copper connecting nose (2) are integrally formed.

3. The self-locking type lining hot melt tin-copper connecting structure as claimed in claim 2, wherein: two ends of an opening of the copper connecting pipe (1) are symmetrically provided with two protruding parts (3) respectively, and an inwards concave straight groove (7) is formed in the middle of each protruding part (3).

4. The self-locking type lining hot melt tin-copper connecting structure as claimed in claim 2, wherein: the bulge parts (3) are arranged at the opening end of the copper connecting nose (2), and a U-shaped groove (8) is formed between the two bulge parts and the inner wall of the sealing end of the copper connecting nose (2).

5. The self-locking type lining hot melt tin-copper connecting structure as claimed in claim 1, wherein: the thickness of the lining hot melting tin layer (4) is 0.5-1 mm.

6. The self-locking type lining hot melt tin-copper connecting structure as claimed in claim 1, wherein: and the pipe orifice of the copper connecting structure is crimped after the pipe orifice and the lead are clamped by adopting a blocking clamp (6).

7. The self-locking type lining hot melt tin-copper connecting structure as claimed in claim 6, wherein: the shape of the blocking card (6) is a circular ring with an opening.