Copper wire with anti-bending inner core

Abstract

The utility model relates to the technical field of wires, and discloses a copper wire with an anti-bending inner core, which comprises an electromagnetic wire body and an inner core, the inner core is fixedly connected to the inner wall of the electromagnetic wire body, the outer wall of the electromagnetic wire body is provided with an annular groove, and the inner wall of the annular groove is slidably connected with a label plate. A fixing block is fixedly connected to one side of the label plate, a fixing rod is fixedly connected to one side of the fixing block, and a movable groove is formed in one end of the fixing rod. The label plate slides on the inner wall of the annular groove under the action of the guide groove and the guide block until the label plate moves to a position where people can see the label plate conveniently, then the push-pull block is loosened, the positioning rod can be pushed into the positioning groove under the action of the spring, the positioning effect on the label plate is achieved, and the positioning effect is good. Therefore, after the electromagnetic wire body is wound and stored, the label plate cannot be shielded, people can conveniently find the copper electromagnetic wire needing to be used according to the label plate, and the electromagnetic wire label is practical and suitable for being widely popularized and used.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric wires, and in particular relates to a copper electric wire with an anti-bending inner core. Background Art

[0002] Electromagnetic wire is an insulated wire used to make coils or windings in electrical products, also known as winding wire. It can be classified according to its basic composition, conductive core and electrical insulation layer. It is usually divided into enameled wire, wrapped wire, enameled wrapped wire and inorganic insulated wire according to the insulating material and manufacturing method used in the electrical insulation layer. Copper electromagnetic wire is mainly used in the windings of transformers, motors, generators, and various electrical equipment.

[0003] After searching, CN213092863U discloses a copper electric wire with a bending-resistant inner core, including an electromagnetic wire body, the inner wall of the electromagnetic wire body is fixedly connected with the inner core, the inner core includes a wear-resistant layer, a high-temperature resistant layer, a bending-resistant layer, a buffer layer, a shielding layer, an insulating layer, a heat-insulating layer and a rubber layer, the inner wall of the wear-resistant layer is fixedly connected to the outer surface of the high-temperature resistant layer, the inner wall of the high-temperature resistant layer is fixedly connected to the outer surface of the bending-resistant layer, the inner wall of the bending-resistant layer is fixedly connected to the outer surface of the buffer layer, and the inner wall of the buffer layer is fixedly connected to the outer surface of the shielding layer.

[0004] However, the inventors have discovered that the technical solution still has at least the following defects: in the above device, classification is performed by adding labels through a set label slot, but the position of the label slot is relatively fixed. When the electromagnetic wire body is wound up and stored, the label is easily blocked, which makes it difficult for people to find the copper electromagnetic wire they need based on the label.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A copper electric wire with a bending-resistant inner core comprises an electromagnetic wire body and an inner core, the inner core is fixedly connected to the inner wall of the electromagnetic wire body, the outer wall of the electromagnetic wire body is provided with an annular groove, the inner wall of the annular groove is slidably connected with a label plate, one side of the label plate is fixedly connected with a fixed block, one side of the fixed block is fixedly connected with a fixed rod, one end of the fixed rod is provided with a movable groove, the inner wall of the movable groove is slidably connected with a positioning rod, the inner wall of one side of the movable groove is fixedly connected with a spring, one end of the spring is fixedly connected to the outer wall of the end of the positioning rod, one side of the annular groove is provided with positioning grooves arranged equidistantly around, the positioning rod is adapted to the positioning groove, one side of the fixed rod is provided with a movable opening, the inner wall of the movable opening is slidably connected with a push-pull block, and one end of the push-pull block is fixedly connected to the outer wall of one side of the positioning rod.

[0008] As a preferred embodiment of the utility model, a guide groove is provided on one side of the annular groove, a guide block is fixedly connected to one side of the label plate, and the guide block is slidably connected to the inner wall of the guide groove.

[0009] As a preferred embodiment of the utility model, the inner core includes a wear-resistant layer, a high temperature resistant layer, a bending resistant layer, a buffer layer, a shielding layer, an insulating layer, a heat insulation layer and a rubber layer.

[0010] As a preferred embodiment of the utility model, the wear-resistant layer is composed of resin and fiber fabric, the inner wall of the wear-resistant layer is fixedly connected to the outer surface of the high-temperature resistant layer, and the high-temperature resistant layer is a phenolic foam layer.

[0011] As a preferred embodiment of the utility model, the inner wall of the high temperature resistant layer is fixedly connected to the outer surface of the bending resistant layer, the bending resistant layer is composed of trioctyl trimellitate and diisobutyl nylonate, and the inner wall of the bending resistant layer is fixedly connected to the outer surface of the buffer layer.

[0012] As a preferred embodiment of the utility model, the buffer layer is made of high-elastic spray-bonded cotton, the inner wall of the buffer layer is fixedly connected to the outer surface of the shielding layer, the shielding layer is made of EPDM rubber, and the inner wall of the shielding layer is fixedly connected to the outer surface of the insulating layer.

[0013] As a preferred embodiment of the utility model, the insulating layer is a steel wire braided layer, the inner wall of the insulating layer is fixedly connected to the outer surface of the thermal insulation layer, the thermal insulation layer is composed of aluminum silicate ceramic fiber, zirconium-containing fiber, mullite fiber and alumina fiber, and the inner wall of the thermal insulation layer is fixedly connected to the outer surface of the rubber layer.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model provides an annular groove and a label plate, which are convenient for adding labels to the electromagnetic wire body for classification. After the electromagnetic wire body is stored and wound, the positioning rod is pulled horizontally by the provided push-pull block and the movable opening to move the positioning rod out of the positioning groove. After moving out, the label plate slides on the inner wall of the annular groove through the action of the guide groove and the guide block until the label plate is moved to a position that is convenient for people to see. Then the push-pull block is released, and the positioning rod can be pushed into the positioning groove under the action of the spring to achieve the positioning effect of the label plate. Therefore, after the electromagnetic wire body is wound and stored, the label plate will not be blocked, so that people can find the copper electromagnetic wire they need according to the label plate.

[0016] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In the attached picture:

[0018] Figure 1 This is a schematic diagram of the overall structure of the electromagnetic wire body of the utility model;

[0019] Figure 2 This is a schematic diagram of the partial structure of the electromagnetic wire body of the utility model;

[0020] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 This is a schematic diagram of the connection structure between the fixing rod and the positioning rod of the utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the electromagnetic wire body of the utility model;

[0023] Figure 6 It is a schematic diagram of the local structure of the inner core of the utility model.

[0024] In the figure: 1. electromagnetic wire body; 2. inner core; 3. annular groove; 4. label plate; 5. guide groove; 6. guide block; 7. fixed block; 8. fixed rod; 9. positioning rod; 10. movable groove; 11. spring; 12. movable opening; 13. push-pull block; 14. positioning groove; 15. wear-resistant layer; 16. high temperature resistant layer; 17. bending resistant layer; 18. buffer layer; 19. shielding layer; 20. insulating layer; 21. heat insulation layer; 22. rubber layer. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0026] like Figures 1 to 6 Shown

[0027] A copper wire with a bending-resistant inner core comprises an electromagnetic wire body 1 and an inner core 2, wherein the inner core 2 is fixedly connected to the inner wall of the electromagnetic wire body 1, an annular groove 3 is provided on the outer wall of the electromagnetic wire body 1, a label plate 4 is slidably connected to the inner wall of the annular groove 3, and the annular groove 3 and the label plate 4 are provided, so that it is convenient to add labels to the electromagnetic wire body 1 for classification, a guide groove 5 is provided on one side of the annular groove 3, a guide block 6 is fixedly connected to one side of the label plate 4, and the guide block 6 is slidably connected to the inner wall of the guide groove 5, a fixed block 7 is fixedly connected to one side of the label plate 4, a fixed rod 8 is fixedly connected to one side of the fixed block 7, a movable groove 10 is provided on one end of the fixed rod 8, a positioning rod 9 is slidably connected to the inner wall of the movable groove 10, a spring 11 is fixedly connected to the inner wall of one side of the movable groove 10, and one end of the spring 11 is fixedly connected to the outer wall of the end of the positioning rod 9, and a positioning groove 1 arranged equidistantly around is provided on one side of the annular groove 3 4, the positioning rod 9 is adapted to the positioning groove 14, and a movable opening 12 is opened on one side of the fixed rod 8, and a push-pull block 13 is slidably connected to the inner wall of the movable opening 12, and one end of the push-pull block 13 is fixedly connected to the outer wall of one side of the positioning rod 9. After the electromagnetic wire body 1 is stored and wound, the positioning rod 9 is pulled horizontally by the set push-pull block 13 and the movable opening 12 to move the positioning rod 9 out of the positioning groove 14. After moving out, the label plate 4 slides on the inner wall of the annular groove 3 through the action of the guide groove 5 and the guide block 6 until the label plate 4 moves to a position that is convenient for people to see, and then the push-pull block 13 is released. Under the action of the spring 11, the positioning rod 9 can be pushed into the positioning groove 14 to achieve the positioning of the label plate 4, so that when the electromagnetic wire body 1 is wound and stored, the label plate 4 will not be blocked, so that people can find the copper electromagnetic wire they need according to the label plate 4.

[0028] In a specific embodiment, the inner core 2 includes a wear-resistant layer 15, a high temperature resistant layer 16, a bending-resistant layer 17, a buffer layer 18, a shielding layer 19, an insulating layer 20, a heat-insulating layer 21 and a rubber layer 22. The wear-resistant layer 15 is composed of resin and fiber fabric, the inner wall of the wear-resistant layer 15 is fixedly connected to the outer surface of the high temperature resistant layer 16, the high temperature resistant layer 16 is a phenolic foam layer, the inner wall of the high temperature resistant layer 16 is fixedly connected to the outer surface of the bending-resistant layer 17, the bending-resistant layer 17 is composed of trioctyl trimellitate and diisobutyl nylonate, the inner wall of the bending-resistant layer 17 is fixedly connected to the outer surface of the buffer layer 18, the toughness of the inner core 2 can be improved by setting the bending-resistant layer 17, so that it has the performance of bending and twisting resistance, the wear-resistant layer 15 can be used to improve the wear resistance of the inner core 2, the buffer layer 18 and the rubber layer 22 can be used to reduce the impact force on the inner core 2. To further prevent bending, the buffer layer 18 is made of high-elastic spray-coated cotton, the inner wall of the buffer layer 18 is fixedly connected to the outer surface of the shielding layer 19, the shielding layer 19 is made of EPDM rubber, the inner wall of the shielding layer 19 is fixedly connected to the outer surface of the insulating layer 20, the insulating layer 20 is a steel wire braided layer, and the shielding layer 19 and the insulating layer 20 are set to improve the insulation performance of the inner core 2 to avoid leakage, the inner wall of the insulating layer 20 is fixedly connected to the outer surface of the thermal insulation layer 21, the thermal insulation layer 21 is composed of aluminum silicate ceramic fiber, zirconium-containing fiber, mullite fiber and alumina fiber, and the high temperature resistant layer 16 is set to improve the high temperature resistance of the inner core 2 to prevent damage caused by excessive temperature, and the thermal insulation layer 21 is set to further avoid burning of the inner core 2, and the inner wall of the thermal insulation layer 21 is fixedly connected to the outer surface of the rubber layer 22.

[0029] The implementation principle of a copper wire with an anti-bending inner core in this embodiment is as follows: when in use, the annular groove 3 and the label plate 4 are provided to facilitate adding labels to the electromagnetic wire body 1 for classification. After the electromagnetic wire body 1 is stored and wound, the positioning rod 9 is pulled horizontally by the provided push-pull block 13 and the movable opening 12 to move the positioning rod 9 out of the positioning groove 14. After moving out, the label plate 4 slides on the inner wall of the annular groove 3 through the action of the guide groove 5 and the guide block 6 until the label plate 4 moves to a position that is easy for people to see, and then the push-pull block 13 is released. Under the action of the spring 11, the positioning rod 9 can be pushed into the positioning groove 14 to achieve the positioning effect of the label plate 4, so that when the electromagnetic wire body 1 is wound and stored, the label plate 4 will not be moved. The label 4 is blocked, which makes it easy for people to find the copper electromagnetic wire they need according to the label 4. Then, the anti-bending layer 17 can improve the toughness of the inner core 2, so that it has the performance of anti-bending and anti-twisting. The buffer layer 18 and the rubber layer 22 can reduce the impact force on the inner core 2 to further prevent bending. The wear-resistant layer 15 can improve the wear resistance of the inner core 2 and extend its service life. The high-temperature resistant layer 16 can improve the high-temperature resistance of the inner core 2 to prevent damage caused by excessive temperature. The heat-insulating layer 21 can further prevent the inner core 2 from burning. The shielding layer 19 and the insulating layer 20 can improve the insulation performance of the inner core 2 to avoid leakage.

Claims

1. A copper wire with an anti-bending inner core, comprising an electromagnetic wire body (1) and an inner core (2), characterized in that: The inner core (2) is fixedly connected to the inner wall of the electromagnetic wire body (1); the outer wall of the electromagnetic wire body (1) is provided with an annular groove (3); the inner wall of the annular groove (3) is slidably connected to a label plate (4); one side of the label plate (4) is fixedly connected to a fixed block (7); one side of the fixed block (7) is fixedly connected to a fixed rod (8); one end of the fixed rod (8) is provided with a movable groove (10); the inner wall of the movable groove (10) is slidably connected to a positioning rod (9); the movable groove (10) A spring (11) is fixedly connected to the inner wall of one side, and one end of the spring (11) is fixedly connected to the outer wall of the end of the positioning rod (9). One side of the annular groove (3) is provided with a surrounding positioning groove (14) arranged at equal intervals, and the positioning rod (9) is adapted to the positioning groove (14). One side of the fixed rod (8) is provided with a movable opening (12), and the inner wall of the movable opening (12) is slidably connected to a push-pull block (13), and one end of the push-pull block (13) is fixedly connected to the outer wall of one side of the positioning rod (9).

2. A copper wire with a bending-resistant inner core according to claim 1, characterized in that: A guide groove (5) is provided on one side of the annular groove (3), a guide block (6) is fixedly connected to one side of the label plate (4), and the guide block (6) is slidably connected to the inner wall of the guide groove (5).

3. The copper wire with a bending-resistant inner core according to claim 1, characterized in that: The inner core (2) comprises a wear-resistant layer (15), a high temperature resistant layer (16), a bending resistant layer (17), a buffer layer (18), a shielding layer (19), an insulating layer (20), a heat insulating layer (21), and a rubber layer (22).

4. A copper wire with a bending-resistant inner core according to claim 3, characterized in that: The wear-resistant layer (15) is composed of resin and fiber fabric, the inner wall of the wear-resistant layer (15) is fixedly connected to the outer surface of the high-temperature resistant layer (16), and the high-temperature resistant layer (16) is a phenolic foam layer.

5. The copper wire with a bending-resistant inner core according to claim 4, characterized in that: The inner wall of the high temperature resistant layer (16) is fixedly connected to the outer surface of the bending resistant layer (17), the bending resistant layer (17) is composed of trioctyl trimellitate and diisobutyl nylonate, and the inner wall of the bending resistant layer (17) is fixedly connected to the outer surface of the buffer layer (18).

6. The copper wire with a bending-resistant inner core according to claim 5, characterized in that: The buffer layer (18) is made of high-elasticity spray-bonded cotton, the inner wall of the buffer layer (18) is fixedly connected to the outer surface of the shielding layer (19), the shielding layer (19) is made of EPDM rubber, and the inner wall of the shielding layer (19) is fixedly connected to the outer surface of the insulating layer (20).

7. A copper wire with a bending-resistant inner core according to claim 6, characterized in that: The insulating layer (20) is a steel wire braided layer, the inner wall of the insulating layer (20) is fixedly connected to the outer surface of the heat insulating layer (21), the heat insulating layer (21) is composed of aluminum silicate ceramic fibers, zirconium-containing fibers, mullite fibers and aluminum oxide fibers, and the inner wall of the heat insulating layer (21) is fixedly connected to the outer surface of the rubber layer (22).

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