CN217362022U

CN217362022U - Wear-resistant enameled copper wire

Info

Publication number: CN217362022U
Application number: CN202221410523.XU
Authority: CN
Inventors: 吕澄泉
Original assignee: Shenzhen Shiyong Electronics Co ltd
Current assignee: Shenzhen Shiyong Electronics Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-09-02
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a wear-resistant enameled copper wire, which comprises a copper core wire, an enameled layer and an end connecting piece, wherein the enameled layer comprises a polyester imide layer, a polyamide imide layer, a self-adhesive layer, a woven net layer and a lubricating layer which are sequentially wrapped on the copper core wire from inside to outside, the enameled layer is wrapped outside the copper core wire, and the end connecting piece is arranged at the end part of the copper core wire, this enameled copper line simple structure, convenient to use.

Description

Wear-resistant enameled copper wire

Technical Field

The utility model relates to an enameled copper line technical field, specific is a stand wear and tear enameled copper line.

Background

The enameled wire is a main variety of winding wires and consists of a conductor and an insulating layer, a bare wire is annealed and softened and then painted and baked for many times, but the product which meets the standard requirements and also meets the requirements of customers is not easy to produce, and is influenced by the factors of raw material quality, process parameters, production equipment, environment and the like, so that the quality characteristics of various enameled wires are different, and the enameled wires have four properties of mechanical property, chemical property, electrical property and thermal property.

Present enameled copper line needs to adopt the welded mode to realize that the installation of wire rod tip is fixed at the in-service use in-process, and the operation of this kind of fixed mode and later stage are all very troublesome to the dismantlement operation of wire rod, have reduced actual dismouting efficiency to current enameled copper line surface lacquer wearability is low, arouses bottom film softening damage very easily in the heating process, drops in the use, causes insulating inefficacy.

SUMMERY OF THE UTILITY MODEL

For solving the not enough that mentions in the above-mentioned background art, the utility model aims to provide a stand wear and tear enameled copper line, through setting up end adapting unit, the in-process that the second tip got into can extrude the third fragment, thereby in getting into spacing shell fragment extrusion deformation and hiding the groove until the third fragment, move to the top of spacing shell fragment until the draw-in groove position, the third fragment enters into the draw-in groove, and then fix first end and second end, can easily accomplish the impermanent permanent connection between two enameled copper lines, compare with current welding mode, this enameled copper line simple structure, high durability and convenient use.

The purpose of the utility model can be realized by the following technical scheme:

a wear-resistant enameled copper wire comprises a copper core wire, an enameled layer and an end connector;

the enamelled layer comprises a polyester imide layer, a polyamide imide layer, a self-adhesive layer, a braided net layer and a lubricating layer which are sequentially wrapped on the copper core wire from inside to outside;

the enamel layer is wrapped outside the copper core wire;

the end connecting piece is arranged at the end part of the copper core wire and is used for electrically connecting the copper core wire of the enameled copper wire with the copper core wires of other enameled copper wires;

the end connecting component is a wire pressing terminal.

The woven net layer is woven by insulating wires, the self-adhesive layer is a nylon coating, and the lubricating layer is a paraffin layer.

Further preferably, the end head connecting piece comprises a first end part and a second end part, the first end part is provided with an open groove, a rotating shaft is fixedly connected between groove walls of the open groove, the rotating shaft is movably connected with a pressing plate, the angle limiting plate is used for limiting the rotating angle of the pressing plate, and a spring piece is fixedly connected between the pressing plate and the groove wall of the open groove.

The second end portion is made of copper metal, the spring piece is used for applying anticlockwise rotating force to the pressing plate, and the first end portion is provided with the angle limiting plate.

Preferably, the bottom end of the open groove is provided with a hidden groove, the hidden groove is communicated with the open groove, a limiting elastic sheet is arranged inside the hidden groove, the limiting elastic sheet comprises a first segment, a second segment and a third segment, the first segment is fixedly connected with the bottom end of the groove wall of the hidden groove, and the junction of the third segment and the second segment is flush with the bottom end of the open groove.

The angle between the first segment and the second segment is 160-170 degrees, and the angle between the second segment and the third segment bracket is 45-60 degrees.

Preferably, the second end portion, the first end portion and the spring piece are provided with through holes, the cross sections of the through holes in the second end portion, the first end portion and the spring piece are identical in size, the axial leads of the through holes coincide, and the bottom end of the second end portion is provided with a clamping groove clamped with the limiting elastic piece.

Preferably, the bottom end of the pressing plate is fixedly connected with an extension plate, the extension plate is used for touching the limiting elastic sheet, the first end portion is provided with a flaring groove, the flaring groove is communicated with the opening groove, the height of the flaring groove is the same as that of the second end portion, the sum of the widths of the flaring groove and the opening groove is larger than that of the second end portion, and the width of the second end portion is larger than that of the opening groove.

Further preferably, the copper core wire of any one of the enameled copper wires is a single core wire or a multi-core wire.

The utility model has the advantages that:

1. the utility model discloses a set up the end adapting unit, in the process that the second end got into, can extrude the third fragment to with spacing shell fragment extrusion deformation until the third fragment gets into and hides the groove, move to the top of spacing shell fragment until the draw-in groove position, the third fragment enters into the draw-in groove, and then fixes first end and second end, can easily accomplish the non-permanent connection between two enamelled copper lines, compare with current welding mode, this enamelled copper line simple structure, convenient to use;

2. the utility model discloses a polyamideimide layer is in between self-adhesive layer and the polyester imide layer, has improved each item performance of enameled copper line greatly, weaves the stratum reticulare through wrapping up the one deck on the polyamideimide lacquer layer, and weaves the stratum reticulare and form for the insulated wire, has improved the wear resistance of enameled copper line greatly.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a structural sectional view of the present invention;

FIG. 3 is a schematic view of the interior of the first end portion of the present invention;

fig. 4 is a schematic structural view of the first end portion of the present invention.

In the figure:

1. a copper core wire; 2. a lacquer coating layer; 3. a first end portion; 4. a second end portion; 5. opening the groove; 6. a rotating shaft; 7. a pressing plate; 8. an angle limiting plate; 9. a spring plate; 10. hiding the groove; 11. a limiting elastic sheet; 12. a first segment; 13. a second fragment; 14. a third segment; 15. a through hole; 16. a card slot; 17. an extension plate; 18. flaring groove.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-4, a wear-resistant enameled copper wire comprises a copper core wire 1, an enameled layer 2 and a terminal connecting piece;

the enamel layer 2 comprises a polyester imide layer, a polyamide imide layer, a self-adhesive layer, a woven mesh layer and a lubricating layer which are sequentially wrapped on the copper core wire 1 from inside to outside;

the enamel layer 2 is wrapped outside the copper core wire 1;

the end connecting piece is arranged at the end part of the copper core wire 1 and is used for electrically connecting the copper core wire 1 of the enameled copper wire with the copper core wires 1 of other enameled copper wires;

the end connecting component is a wire pressing terminal.

The copper core wire 1 of any enameled copper wire is a single core wire or a multi-core wire.

When the enameled copper wire is produced and processed, the copper core wire 1 is coated with the polyester imide paint layer and then coated with the polyamide imide paint layer, the polyamide imide paint layer is coated with the woven net layer, the polyamide imide paint layer is coated with the self-adhesive layer, and finally the self-adhesive layer is coated with the lubricant layer.

The end connecting piece comprises a first end part 3 and a second end part 4, an open groove 5 is formed in the first end part 3, a rotating shaft 6 is fixedly connected between groove walls of the open groove 5, a pressing plate 7 is movably connected to the rotating shaft 6, an angle limiting plate 8 is used for limiting the rotating angle of the pressing plate 7, and a spring leaf 9 is fixedly connected between the pressing plate 7 and the groove wall of the open groove 5.

The second end portion 4 is made of copper metal, the spring piece 9 is used for applying a counterclockwise rotating force to the pressing plate 7, and the first end portion 3 is provided with an angle limiting plate 8.

Hidden groove 10 has been seted up to open groove 5's bottom, hides groove 10 and open groove 5 intercommunication, and the inside of hiding groove 10 is provided with spacing shell fragment 11, and spacing shell fragment 11 comprises first segment 12, second segment 13 and third segment 14, first segment 12 and the cell wall bottom fixed connection who hides groove 10, and the juncture of third segment 14 and second segment 13 is parallel and level with open groove 5's bottom.

The angle between the first segment 12 and the second segment 13 is between 160-170 deg., and the angle between the second segment 13 and the third segment 14 is between 45-60 deg..

Through holes 15 are formed in the second end portion 4, the first end portion 3 and the spring piece 9, the cross sections of the through holes 15 in the second end portion 4, the first end portion 3 and the spring piece 9 are identical in shape and size, the axial lines of the through holes coincide, and a clamping groove 16 clamped with the limiting elastic piece 11 is formed in the bottom end of the second end portion 4.

The bottom fixedly connected with extension board 17 of pressing plate 7, extension board 17 is used for touching spacing shell fragment 11, has seted up flaring groove 18 on the first end 3, and flaring groove 18 and open groove 5 intercommunication, the height of flaring groove 18 is the same with the height of second end 4, and the width sum of flaring groove 18 and open groove 5 is greater than the width of second end 4, and the width of second end 4 is greater than the width of open groove 5.

The working principle is as follows:

the end heads of copper wires 1 of two enameled copper wires to be connected are respectively penetrated into through holes 15 of a first end portion 3 and a second end portion 4, the proper extending amount is adjusted, the copper wires 1 connected with the first end portion 3 are ensured to penetrate through the through holes 15 of a spring piece 9, then the second end portion 4 is inserted into an installation space formed by splicing an open groove 5 and a flaring groove 18, in the process that the second end portion 4 enters, a third segment 14 is extruded, the limiting spring piece 11 is extruded and deformed until the third segment 14 enters a hidden groove 10 until a clamping groove 16 is displaced above the limiting spring piece 11, the third segment 14 enters the clamping groove 16, the first end portion 3 and the second end portion 4 are further fixed, and then an adhesive is coated at the gap between the copper wires 1 and the through holes 15.

When separating first end 3 and second end 4, press pressing board 7 and extrude spring leaf 9, synchronous movement's extension board 17 will push spacing shell fragment 11 and extrude deformation until third segment 14 gets into and hides in the groove 10, can take out second end 4 this moment, realize first end 3 and second end 4 separation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. A wear-resistant enameled copper wire is characterized by comprising a copper core wire (1), an enameled layer (2) and an end connector;

the enamel layer (2) comprises a polyester imide layer, a polyamide imide layer, a self-adhesive layer, a woven net layer and a lubricating layer which are sequentially wrapped on the copper core wire (1) from inside to outside;

the enamel layer (2) is wrapped outside the copper core wire (1);

the end connecting piece is arranged at the end part of the copper core wire (1), and is used for electrically connecting the copper core wire (1) of the enameled copper wire with the copper core wires (1) of other enameled copper wires;

the end connecting component is a wire pressing terminal.

2. The wear-resistant enameled copper wire as claimed in claim 1, wherein the end connector comprises a first end portion (3) and a second end portion (4), the first end portion (3) is provided with an open slot (5), a rotating shaft (6) is fixedly connected between slot walls of the open slot (5), the rotating shaft (6) is movably connected with a pressing plate (7), the first end portion (3) is provided with an angle limiting plate (8), the angle limiting plate (8) is used for limiting a rotation angle of the pressing plate (7), and a spring leaf (9) is fixedly connected between the pressing plate (7) and the slot wall of the open slot (5).

3. The wear-resistant enameled copper wire is characterized in that a hidden groove (10) is formed in the bottom end of the open groove (5), the hidden groove (10) is communicated with the open groove (5), a limiting elastic sheet (11) is arranged inside the hidden groove (10), the limiting elastic sheet (11) is composed of a first segment (12), a second segment (13) and a third segment (14), the first segment (12) is fixedly connected with the bottom end of the groove wall of the hidden groove (10), and the junction of the third segment (14) and the second segment (13) is flush with the bottom end of the open groove (5).

4. The wear-resistant enameled copper wire according to claim 3, wherein through holes (15) are formed in the second end portion (4), the first end portion (3) and the spring piece (9), the cross sections of the through holes (15) in the second end portion (4), the first end portion (3) and the spring piece (9) are identical in size, the axial lines of the through holes coincide, and a clamping groove (16) clamped with the limiting elastic piece (11) is formed in the bottom end of the second end portion (4).

5. The wear-resistant enameled copper wire is characterized in that an extension plate (17) is fixedly connected to the bottom end of the pressing plate (7), the extension plate (17) is used for touching the limiting elastic sheet (11), an expansion groove (18) is formed in the first end portion (3), the expansion groove (18) is communicated with the opening groove (5), the height of the expansion groove (18) is the same as that of the second end portion (4), the sum of the widths of the expansion groove (18) and the opening groove (5) is larger than that of the second end portion (4), and the width of the second end portion (4) is larger than that of the opening groove (5).

6. The abrasion resistant enameled copper wire as claimed in claim 1, wherein the copper core (1) of any one of the enameled copper wires is a single core wire or a multi-core wire.