Multi-strand side-by-side segmented film-covered wire with good tensile effect
By interlacing the first and second coating layers on the conductor surface to form a continuous tensile bond, the problem of poor tensile strength of existing film-coated wires is solved, achieving higher tensile strength and insulation protection.
Patent Information
- Application Number
- CN202422652719.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing film-wrapped wires have poor tensile strength, and the wound film is prone to loosening under tension.
The first and second coating layers are interleaved on the surface of the conductor to form a continuous tensile bond. The tensile effect is improved by the mutual locking of the first and second coating layers.
It effectively improves the tensile strength of the film-coated wire, prevents the coating layer from loosening, and enhances the protection and insulation effect of the conductor.
Smart Images
Figure CN223462029U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of film-covered wire, and particularly relates to a multi-strand side-by-side segmented film-covered wire with good tensile resistance. BACKGROUND
[0002] Film-covered wire refers to electromagnetic wire formed after mica film or other material film is coated on the surface of enameled wire, and such wire has the characteristics of good high-frequency performance, high insulation strength, good heat resistance and strong radiation resistance, and is particularly suitable for transformer products with high interlayer discharge voltage requirement and motors, transformers and instruments with high temperature resistance and strong radiation resistance requirement.
[0003] The utility model discloses a kind of multi-strand side-by-side segmented film-covered wire, including film-covered wire main body and the filling fixed layer being provided with the outer periphery of film-covered wire main body, the outer periphery of filling fixed layer is covered with film, film includes film main body and the pull strip being set in the inner cavity of film main body top surface, the lower end outer wall of film main body one side is fixedly connected with the down bar, the lower end outer wall of film main body other side is fixedly installed with limit strip, when operator needs to tear open film main body, then can find the pull strip of corresponding position, and pull out pull strip by semicircular groove, by the setting of blocking block and limit block, so that pull strip can be limited in film main body, at this time, it is forced to pull to both sides, under the action of first dotted line hole, film-covered wire is segmented and separated, this setting not only will not affect the daily use of film-covered wire, while it is also convenient and fast to operate.
[0004] In the prior art, the film on the surface of the conductor is mostly single-layer spiral or multi-layer overlapping spiral film that is wound in the same direction, as shown in the prior art document CN215417595U, although the above winding method can well wrap the conductor, but the tensile resistance is poor, and the wound film is prone to loosen under a certain tension; Figure 5
[0005] Therefore, the utility model provides a multi-strand side-by-side segmented film-covered wire with good tensile resistance to improve the tensile strength of the film-covered wire. TECHNICAL CONTENT
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multi-strand side-by-side segmented film-covered wire with good tensile resistance, including a conductor, the surface of the conductor is coated with a first film layer and a second film layer, the first film layer and the second film layer are spirally and staggered wound in opposite directions on the surface of the conductor to form a plurality of tensile joints on the surface of the conductor.
[0007] Preferably, the first film layer and the second film layer are made of polyester imine material.
[0008] The utility model discloses a multi-strand side-by-side segmented film-wrapped wire with good tensile resistance, which is characterized in that an insulating layer is arranged between the conductor and the first and second film layers.
[0009] The utility model discloses a multi-strand side-by-side segmented film-wrapped wire with good tensile resistance, which is characterized in that the insulating layer is insulating paint.
[0010] Compared with the prior art, the utility model has the advantages that:
[0011] The first and second film layers are continuously and alternately wound on the surface of the conductor, so that the alternately arranged first and second film layers are locked together to form a plurality of continuous tensile joints. BRIEF DESCRIPTION OF DRAWINGS
[0012] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:
[0013] Figure 1 It is a front view structural schematic diagram of the utility model;
[0014] Figure 2 It is an explosion structural schematic diagram of the utility model;
[0015] Figure 3 It is a first film layer and second film layer alternately winding schematic diagram of the utility model;
[0016] Figure 4 It is a multi-strand conductor winding structural schematic diagram;
[0017] Figure 5 It is a prior art film-wrapped wire schematic diagram.
[0018] In the drawing: 1, conductor; 2, insulating layer; 3, first film layer; 4, second film layer; 5, tensile joint. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the utility model.
[0020] The utility model relates to a kind of multi-strand side-by-side segmented film-covered wire with good tensile effect, as shown in Figure 1 、 Figure 3 It includes conductor 1, and the conductor 1 can be single-strand, and can be multi-strand conductor 1 arrangement, stranding, braiding, as shown in Figure 4 The conductor 1 is preferably made of copper material, and can also be other materials suitable for making wire. The surface of the conductor 1 is provided with a first film layer 3 and a second film layer 4, and the first film layer 3 and the second film layer 4 are spirally interlaced wound along the surface of the conductor 1, and the interlaced nodes form a mesh-like tensile knot 5.
[0021] When the wire is stretched, the first film layer 3 and the second film layer 4 are pulled and locked at the tensile knot 5, thereby effectively preventing the loosening of the first film layer 3 and the second film layer 4, and further improving the tensile effect.
[0022] Further, an insulating layer 2 is provided between the conductor 1 and the first film layer 3 and the second film layer 4 to improve the protection and insulation effect of the conductor 1, and the insulating layer 2 is preferably insulating paint, and can also be other insulating materials suitable for making wire insulation.
[0023] Finally, it should be noted that: the above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included within the protection scope of the utility model.
Claims
1. A multi-strand side-by-side segmented film-covered wire with good tensile strength, comprising a conductor (1), characterized in that: The surface of the conductor (1) is coated with a first coating layer (3) and a second coating layer (4), the first coating layer (3) and the second coating layer (4) are spirally and alternately wound on the surface of the conductor (1) to form a plurality of anti-tension joints (5) on the surface of the conductor (1).
2. The multi-strand side-by-side segmented film-covered wire with good tensile resistance according to claim 1, characterized in that: The first coating layer (3) and the second coating layer (4) are made of polyester imine material.
3. The multi-strand side-by-side segmented film-covered wire with good tensile resistance according to claim 2, characterized in that: An insulating layer (2) is arranged between the conductor (1) and the first coating layer (3) and the second coating layer (4).
4. The multi-strand side-by-side segmented film-covered wire with good tensile resistance according to claim 3, characterized in that: The insulating layer (2) is insulating paint.