CN211906992U

CN211906992U - Anti-overload electric wire

Info

Publication number: CN211906992U
Application number: CN202021060236.1U
Authority: CN
Inventors: 张玉桂
Original assignee: Chongqing Keli Cable Co ltd
Current assignee: Chongqing Keli Cable Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-11-10
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to the technical field of overload-resistant wires, in particular to an overload-resistant wire, which comprises an insulating layer and a protective layer, the outer side of the insulating layer is fixedly connected with a protective layer, the inner side of the insulating layer is fixedly connected with a first lead, the left end and the right end of the first conducting wire are both provided with a fixed cylinder, the other end of the fixed cylinder is provided with a second conducting wire, the inner side of the top end of the fixed cylinder is fixedly connected with a fixed block, the left end of the fixed block is fixedly connected with a first conductive block, through the arrangement of the first conductive block, the first metal sheet, the second conductive block, the connecting block, the limiting ring, the spring, the protective layer and the contact block, when the overload temperature of the first lead and the second lead rises rapidly, the first metal sheet is heated to generate internal stress and then springs upwards rapidly, and at the moment, the first metal sheet is not in contact with the contact block, so that the first lead and the second lead are disconnected.

Description

Anti-overload electric wire

Technical Field

The utility model relates to an anti electric wire technical field that transships specifically is an anti electric wire that transships.

Background

The electric wire is a conducting wire for conducting current, the electric wire is composed of one or more soft conducting wires, the outer surface of the electric wire is covered by a soft protective layer, the cable is composed of one or more insulating covered conducting wires, the outer surface of the electric wire is covered by a tough outer layer made of metal or rubber, the cable and the electric wire are generally composed of a core wire, an insulating covering and a protective outer skin, and with the development of the society, the application of the electric wire is more and more extensive, so that the demand for an overload-resistant electric wire is increased day by day.

Most of electric wires appearing in the market at present are simple in structure and single in function, general electric wires do not have the function of overload resistance, the surface temperature of the electric wires can be quickly increased when the current passing through the electric wires is too large, fire disasters can be seriously caused, and the electric wires are not beneficial to being used in families and office places, so that the overload resistance electric wires are provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti electric wire that transships to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anti electric wire that transships, includes insulating layer and protective layer, the outside fixedly connected with protective layer of insulating layer, the inboard first wire of fixedly connected with of insulating layer, the end all is provided with solid fixed cylinder about first wire, the other end of solid fixed cylinder is provided with the second wire, the inboard fixedly connected with fixed block in top of solid fixed cylinder, the left end fixedly connected with first conducting block of fixed block, the left end fixedly connected with first sheetmetal and the second sheetmetal of first conducting block, the inboard fixedly connected with contact block in bottom of solid fixed cylinder, the inboard fixedly connected with spring that the level set up in left end of contact block, the other end fixedly connected with connecting block of spring, and connecting block and contact block sliding connection.

Preferably, the left end of the connecting block is fixedly connected with a second conductive block, and the second conductive block is in contact with a second wire.

Preferably, the inner side of the left end of the contact block is fixedly connected with a limiting ring, and the limiting ring is connected with the connecting block in a sliding manner.

Preferably, the connecting block is arranged in an I shape.

Preferably, the first conductive block, the second conductive block, the connecting block and the contact block are made of the same material as the first lead and the second lead, and the first lead and the second lead are made of the same material.

Preferably, first sheetmetal and second sheetmetal are the arc setting, first sheetmetal setting is in the bottom of second sheetmetal, and first sheetmetal during normal work with contact piece laminating.

Preferably, the first metal sheet is made of copper, and the second metal sheet is made of iron.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the solid fixed cylinder, second conducting block, connecting block, spacing ring and the spring that set up, when the damage appears in the first sheetmetal of certain department, the staff can cut open insulating layer and protective layer and take out first sheetmetal from the inboard of insulating layer and protective layer through solid fixed cylinder to be convenient for change the later stage maintenance of components such as first sheetmetal.

2. The utility model discloses in, first conducting block through setting up, first sheetmetal, the second conducting block, the connecting block, the spacing ring, a spring, protective layer and contact block, can make first conducting block and second conducting block and first wire and second wire in close contact with about through the spring, prevent bad contact's phenomenon, when overload temperature risees fast when first wire and second wire appear, first sheetmetal is heated and produces the internal stress and up bounce rapidly, first sheetmetal and contact block contactless this moment, thereby make the phenomenon that takes place to open circuit between first wire and the second wire, when first sheetmetal temperature descends normal temperature, first sheetmetal contacts with contact block again, first wire and second wire resume normal operating condition this moment.

Drawings

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

fig. 2 is a schematic view of the internal structure of the fixing cylinder of the present invention.

In the figure: 1-insulating layer, 2-first lead, 3-second lead, 4-fixed cylinder, 5-first conductive block, 6-first metal sheet, 7-fixed block, 8-second conductive block, 9-connecting block, 10-spacing ring, 11-spring, 12-protective layer, 13-contact block and 14-second metal sheet.

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. 1-2, the present invention provides a technical solution:

the utility model provides an anti electric wire that transships, including insulating layer 1 and protective layer 12, the outside fixedly connected with protective layer 12 of insulating layer 1, the inboard first wire 2 of fixedly connected with of insulating layer 1, the left and right-hand member of first wire 2 all is provided with solid fixed cylinder 4, the other end of solid fixed cylinder 4 is provided with second wire 3, the inboard fixedly connected with fixed block 7 in top of solid fixed cylinder 4, the first conducting block 5 of left end fixedly connected with of fixed block 7, the first sheetmetal 6 of left end fixedly connected with and the second sheetmetal 14 of first conducting block 5, the inboard fixedly connected with contact block 13 in bottom of solid fixed cylinder 4, the inboard fixedly connected with spring 11 that the level set up in left end of contact block 13, spring 11's other end fixedly connected with connecting block 9, and connecting block 9 and contact block 13 sliding connection, can promote connecting block 9 through spring 11.

The left end of the connecting block 9 is fixedly connected with a second conductive block 8, the second conductive block 8 is contacted with the second lead 3, the second conductive block 8 can be supported through the connecting block 9, the second conductive block 8 is always contacted with the second lead 3, the inner side of the left end of the contact block 13 is fixedly connected with a limiting ring 10, the limiting ring 10 is connected with the connecting block 9 in a sliding way, the position of the connecting block 9 can be limited through the limiting ring 10, the connecting block 9 is prevented from moving out of the inner side of the contact block 13, the connecting block 9 is arranged in an I shape, so that the connection is clamped with the limiting ring 10, the first conductive block 5, the second conductive block 8, the connecting block 9 and the contact block 13 are made of the same material as the first lead 2 and the second lead 3, the first lead 2 and the second lead 3 are made of the same material, the first metal sheet 6 and the second metal sheet 14 are arranged in an arc shape, the first metal sheet 6 is arranged at the bottom end of the second metal sheet 14, and the first metal sheet 6 is attached to the contact block 13 when in normal operation, the first metal sheet 6 is made of copper, the second metal sheet 14 is made of iron, and under the condition of overload heating, the first metal sheet 6 and the second metal sheet 14 can be ensured to bend towards one side of the second metal sheet 14, so that the first metal sheet 6 is not in contact with the contact block 13, and the overload resistance effect is achieved.

The working process is as follows: in the utility model, when the first wire 2 and the second wire 3 are overloaded and heated, the temperature of the first metal sheet 6 and the second metal sheet 14 will gradually rise, because the thermal expansion coefficient of the first metal sheet is larger than that of the second metal sheet 14, the elongation of the first metal sheet 6 is larger than that of the second metal sheet 14, the first metal sheet 6 and the second metal sheet 14 are cheaper toward the second metal sheet 14, namely, the first metal sheet 6 is gradually separated from the contact block 13, the first metal sheet 6 and the contact block 13 are not conductive, namely, the first wire 2 and the second wire 3 are disconnected, thereby the overload prevention problem is achieved, when the temperature of the first metal sheet 6 and the second metal sheet 14 is reduced to the normal temperature, the first metal sheet 6 is contacted with the contact block 13 again, at this time, the first wire 2 and the second wire 3 recover the normal working state, when the fixed cylinder 4 needs to be detached from the inner sides of the first lead 2 and the second lead 3, a worker cuts the protective layer 12 and the insulating layer 1 by a tool, then can take the fixed cylinder 4 down, operates according to the reverse steps during installation, and connects the fixed cylinder 4 with the protective layer 12 and the insulating layer 1 through an adhesive tape used by an electrician.

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. An overload-resistant electric wire comprising an insulating layer (1) and a protective layer (12), characterized in that: the insulation layer comprises an insulation layer (1), a protective layer (12) is fixedly connected to the outer side of the insulation layer (1), a first lead (2) is fixedly connected to the inner side of the insulation layer (1), fixed cylinders (4) are arranged at the left end and the right end of the first lead (2), a second lead (3) is arranged at the other end of each fixed cylinder (4), a fixed block (7) is fixedly connected to the inner side of the top end of each fixed cylinder (4), a first conductive block (5) is fixedly connected to the left end of each fixed block (7), a first metal sheet (6) and a second metal sheet (14) are fixedly connected to the left end of each first conductive block (5), a contact block (13) is fixedly connected to the inner side of the bottom end of each fixed cylinder (4), a horizontally arranged spring (11) is fixedly connected to the inner side of the left end of each contact block (13), and a connecting, and the connecting block (9) is connected with the contact block (13) in a sliding way.

2. An overload resistant electrical wire as recited in claim 1, wherein: the left end fixedly connected with second conductive block (8) of connecting block (9), and second conductive block (8) and second wire (3) contact.

3. An overload resistant electrical wire as recited in claim 1, wherein: the inner side of the left end of the contact block (13) is fixedly connected with a limiting ring (10), and the limiting ring (10) is connected with the connecting block (9) in a sliding mode.

4. An overload resistant electrical wire as recited in claim 1, wherein: the connecting block (9) is arranged in an I shape.

5. An overload resistant electrical wire as recited in claim 1, wherein: the material of the first conductive block (5), the second conductive block (8), the connecting block (9) and the contact block (13) is the same as that of the first lead (2) and the second lead (3), and the material of the first lead (2) is the same as that of the second lead (3).

6. An overload resistant electrical wire as recited in claim 1, wherein: first sheetmetal (6) and second sheetmetal (14) are the arc setting, first sheetmetal (6) set up the bottom at second sheetmetal (14), and first sheetmetal (6) during normal operating with contact piece (13) laminating.

7. An overload resistant electrical wire as recited in claim 1, wherein: the first metal sheet (6) is made of copper, and the second metal sheet (14) is made of iron.