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CN-224232395-U - Wire sleeve and wire harness

CN224232395UCN 224232395 UCN224232395 UCN 224232395UCN-224232395-U

Abstract

The utility model provides an electric wire sleeve and a wire harness, which comprises a wrapping layer, wherein the wrapping layer is provided with a flat section and a bending section wire arranging locating piece arranged between adjacent flat sections, the flat section is suitable for being clamped on an assembling surface, the binding piece is arranged on the inner surface of the bending section, the binding piece comprises a pair of wire harnesses which are suitable for being sleeved on a wire core, the two wire harnesses are connected through a flexible sleeve, the two flat sections are configured to be oppositely bent, the flat section is arranged on the two assembling surfaces needing to be movable through the wire arranging locating piece, the bending section is arranged on an active area, the wire harnesses are arranged in the bending section to gather the wire cores, the activity range between the wire cores and the wire cores in the bending process is reduced, the abrasion degree is further reduced, in addition, the flexible sleeve is wrapped on the wire cores of the bending section, the concentrated stress on the wire cores is reduced, and the wire cores at the bending position are further protected.

Inventors

  • ZHANG XIANGYONG
  • XU MAOSONG
  • JIANG WEIBING
  • LU XIAODONG

Assignees

  • 无锡振特电子有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (10)

  1. 1. An electrical wire harness, comprising: A wrapping layer (21) having flat sections (211) and bending sections (212) provided between adjacent flat sections (211); a flat cable positioning member (22) which is suitable for clamping the flat section (211) on the assembly surface; A binding member (23) provided on the inner surface of the bending section (212); The binding element (23) comprises a pair of wire-binding discs (231) which are suitable for being sleeved on the wire core (1), and the two wire-binding discs (231) are connected through a flexible sleeve (232); Wherein the two flat sections (211) are configured to bend towards each other.
  2. 2. The electrical wire apparatus of claim 1, wherein, The distance between the two wire reels (231) is L 1 , and the length of the wire core (1) in the flexible sleeve (232) is L 2 ,L 1 ＜L 2 .
  3. 3. The electrical wire apparatus of claim 1, wherein, The flexible sleeve (232) is biconical, and the caliber of the flexible sleeve gradually increases from the middle position to the two ends.
  4. 4. The electrical wire apparatus of claim 3, wherein, The flexible sleeve (232) has an outer concave surface (233) adapted to cushion the surface bending stress of the wire core (1).
  5. 5. The electrical wire apparatus of claim 4, wherein, The flexible sleeve (232) has an inner convex surface (234) adapted to press the wire core (1) toward its centerline, causing the wire core (1) to assume an arc shape to prevent the wire core (1) from being straightened.
  6. 6. A wire harness is characterized in that, The cable comprises a plurality of cable cores (1), wherein the surfaces of the cable cores are provided with wrapping layers (21), and each wrapping layer (21) is provided with a flat section (211) and a bending section (212) arranged between every two adjacent flat sections (211); The wrapping layer (21) comprises: a flat cable positioning member (22) which is suitable for clamping the flat section (211) on the assembly surface; A binding member (23) provided on the inner surface of the bending section (212); wherein the two flat sections (211) are configured to bend towards each other, compressing the binder (23) to reduce the surface bending stress of the wire core (1).
  7. 7. The wire harness as claimed in claim 6, wherein, The binding element (23) comprises a pair of wire-binding discs (231) which are suitable for being sleeved on the wire core (1), and the two wire-binding discs (231) are connected through a flexible sleeve (232); Wherein the two flat sections (211) are configured to bend towards each other to press the flexible sleeve (232) to reduce the bending stress of the surface of the wire core (1).
  8. 8. The wire harness as claimed in claim 7, wherein, The distance between the two wire drawing drums (231) is L1, and the length of the wire core (1) in the flexible sleeve (232) is L2, wherein L1 is smaller than L2.
  9. 9. The wire harness as claimed in claim 7, wherein, The flexible sleeve (232) is biconical, and the caliber of the flexible sleeve gradually increases from the middle position to the two ends.
  10. 10. The wire harness as claimed in claim 9, wherein, The flexible sleeve (232) is provided with an outer concave surface (233) which is suitable for buffering the bending stress of the surface of the wire core (1); The flexible sleeve (232) also has an inner convex surface (234) adapted to compress the core (1) in a direction toward its centerline, causing the core (1) to assume an arc shape to prevent the core (1) from being straightened.

Description

Wire sleeve and wire harness Technical Field The utility model belongs to the technical field of wires, and particularly relates to a wire harness, in particular to a wire sleeve and a wire harness. Background In an electric wiring system of an electric automobile, part of electric wires need to frequently pass through hinges or movable areas (hereinafter referred to as "movable connection portions") of moving parts such as a door and a trunk, so as to realize an electric connection function of a spanning opening and closing structure. However, the existing multi-wire harness comprises a wire core and an insulating protective outer layer, the insulating protective outer layer is wrapped on the wire core through an extruding machine, rubber or plastic materials are often adopted for the insulating protective outer layer, stress of a bending point of an electric wire is concentrated in a long-term repeated opening and closing process of the movable connecting part, abrasion between the insulating protective outer layer and the wire core can be accelerated, especially the problems that after high-frequency bending, the wire is straightened and easy to locally crack, the sheath is peeled off and the like are solved, after an electric wire insulating layer is damaged, the exposed wire core or conductor possibly causes short circuit due to friction, extrusion or high-temperature environment, even electric leakage or electric fire is caused, and the use safety is seriously influenced. Therefore, how to avoid the core leakage after the core wear at the bending part of the electric wire is a technical problem to be solved in the art. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and therefore the above description is not to be construed as constituting prior art information. Disclosure of utility model The embodiment of the disclosure provides at least an electric wire sleeve and a wire harness, so as to solve the technical problem of core leakage after the abrasion of the core at the bending part of an electric wire. In a first aspect, an embodiment of the present disclosure provides an electrical wire harness, including a wrapping layer having a flat section and a bent section flat-wire positioning member disposed between adjacent flat sections, the wrapping layer adapted to clamp the flat section on an assembly surface, and a binding member disposed on an inner surface of the bent section, the binding member including a pair of wire reels adapted to be sleeved on a wire core, the two wire reels being connected by a flexible sleeve, wherein the two flat sections are configured to bend toward each other. In an alternative embodiment, the distance between the two beam reels is L 1, and the length of the core in the flexible sleeve is L 2,L1＜L2. In an alternative embodiment, the flexible sleeve is biconic, with a diameter that increases progressively from a neutral position to opposite ends. In an alternative embodiment, the flexible sleeve has an outer concave surface adapted to cushion the core surface bending stresses. In an alternative embodiment, the flexible sleeve has an inner convex surface adapted to compress the wire core in a direction toward its centerline, causing the wire core to take an arc shape to prevent the wire core from being straightened. In a second aspect, the embodiment of the disclosure further provides a wire harness, including a plurality of wire cores, wherein a wrapping layer is disposed on the surface of the wire cores, the wrapping layer includes a flat section and a bending section disposed between adjacent flat sections, the wrapping layer includes a flat cable positioning member adapted to clamp the flat section on an assembly surface, the flat cable positioning member is disposed on an inner surface of the bending section, the two flat sections are configured to bend in opposite directions, and the bundling member is extruded to reduce bending stress on the surface of the wire cores. In an alternative embodiment, the binder includes a pair of wire reels adapted to fit over the core, two wire reels being connected by a flexible sleeve, wherein the two flat sections are configured to bend toward each other to compress the flexible sleeve to reduce core surface bending stress. In an alternative embodiment, the distance between the two beam coils is L 1, and the length of the core in the flexible sleeve is L 2,L1＜L2. In an alternative embodiment, the flexible sleeve is biconic, with a diameter that increases progressively from a neutral position to opposite ends. In an alternative embodiment, the flexible sleeve has an outer concave surface adapted to cushion the bending stress of the wire core surface and an inner convex surface adapted to compress the wire core in a direction toward its centerline, causing the wire core to take an arcuate shape to prevent the wire core from being st