Flexible wire cable

Abstract

The utility model discloses a flexible wire cable, which relates to the technical field of cables, and comprises an outer sleeve layer and a connecting wire, the connecting wire extends forwards in a spiral shape, a wrapping layer is fixedly sleeved outside the connecting wire, the outer sleeve layer is sleeved on the wrapping layer, the outer sleeve layer is composed of a row of lantern rings in an array, and the two lantern rings are integrally connected through connecting sheets in a circumferential array. The through hole between the two connecting pieces forms an air hole, a limiting piece is arranged at the penetrating position, corresponding to the wrapping layer, of each lantern ring, a through hole is formed in each limiting piece, the exterior of each through hole is opposite to the penetrating position where the corresponding connecting wire spirally extends, the limiting pieces and the lantern rings are fixedly connected through supporting pieces arranged in a circumferential array, and arc-shaped grooves are formed in the outer walls of the connecting pieces; and the bottom of the arc-shaped groove is positioned in the middle of the connecting piece. The cable for the electric car charging pile is simple in structure, has the advantages of being good in flexibility and strong in ventilation and heat dissipation capacity aiming at the using environment of the cable for the electric car charging pile, is lighter, is strong in practicability, and is suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable technical field, concretely relates to a flexible electric wire cable. BACKGROUND

[0002] With the increasing of new energy vehicles, as its cannot send out facilities charging pile also naturally follow, and the development of charging pile also promotes the development of cable enterprise. The existing new energy charging pile cable mostly contains multiple power line core and control line core, wherein the insulation thickness of the power line core is not less than 0.76 mm, and the insulation thickness of the control line core is not less than 0.25 mm, so as to ensure the safe operation of the cable. For the bundled cable, it is packaged with a filling layer, an armored layer and the like, so that the hardness of the cable is too high, and the cable is inconvenient to bend. Moreover, the cable will cause high temperature rise during charging, which has a safety hazard. SUMMARY

[0003] The utility model discloses a kind of flexible electric wire cable, simple structure, for the use environment of trolley charging pile cable, with Good flexibility, ventilation, the characteristics of strong heat dissipation capacity, and it is more portable, practical, and it is suitable for promotion.

[0004] The utility model provides the following technical scheme: a kind of flexible electric wire cable, outer sleeve layer, electric wire, the electric wire is spirally extended forward, and the electric wire outside is fixed with the wrapping layer of sleeve;

[0005] The outer sleeve layer is sleeved on the wrapping layer, and the outer sleeve layer is composed of an array of a row of sleeves, two sleeves are integrally connected by circumferential array connecting pieces, and the through holes between two connecting pieces form air holes.

[0006] Each sleeve is provided with a limiting piece at the corresponding wrapping layer penetration position, the limiting piece is provided with a through hole, the through hole is opposite to the penetration position of the spirally extended electric wire, and the limiting piece and the sleeve are fixedly connected by circumferential array supporting pieces.

[0007] The connecting piece is provided with an arc-shaped groove on the outer wall, and the arc-shaped groove is through on both sides and the groove bottom is located in the middle of the connecting piece.

[0008] Preferably, the outer sleeve layer is composed of an ethylene-vinyl acetate pipeline, the thickness of the connecting piece is less than the thickness of the sleeve, and the outer wall of the outer sleeve layer has a light-colored coating.

[0009] Preferably, the supporting piece and the limiting piece are composed of an ethylene-vinyl acetate elastomer, which is integrally formed with the sleeve, and the center of the through hole is inclined to one side relative to the limiting piece.

[0010] Preferably, the wrapping layer is composed of an insulating rubber layer, and the outer wall of the wrapping layer is fitted with the through hole.

[0011] The utility model discloses a beneficial effect: simple structure, for the use environment of trolley charging pile cable, have good flexibility, ventilation, the characteristics of strong heat dissipation capacity, and more portable, practicality is strong, specific as follows:

[0012] (1), the utility model discloses a sheath layer, when cable line uses, if produces the bending, the folding motion will appear between the sleeve ring, the groove bottom bending of the arc groove of its connected sheet one side, the other side is stretched, and the cable line is empty cavity, when bending, just exert the force required for the bending of the sheath layer, the sheath layer outer wall has the arrayed hole, makes the sheath layer convenient for heat dissipation, and the sheath layer supports through the inside arrayed support sheet, protects the inside electric wire.

[0013] (2), the utility model discloses a limiting sheet, when producing the sheath layer, the limiting sheet, support sheet, sleeve ring, connecting sheet on it can be integral type, the spiral wrapping layer is rotated and inserted into the through -hole, the through -hole of adjacent two support sheets is mutually staggered, after the wrapping layer insertion, the bending part will be blocked when pulling, thereby fixing the wrapping layer and limiting sheet, prevent the electric wire from sliding in the sheath layer. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included 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 the limitation to the utility model. In the drawings:

[0015] Fig. 1 It is the overall schematic view of the utility model;

[0016] Fig. 2 It is the sectional view of the utility model;

[0017] Marked as in the drawing: 1, sheath layer;2, wrapping layer;3, electric wire;4, limiting sheet;5, support sheet;6, sleeve ring;7, air hole;8, connecting sheet;9, arc groove;10, through -hole. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model;Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without doing the creative work, belong to the range of the utility model protection.

[0019] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the limitation of the utility model.

[0020] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the term "installation", "set with", "sleeve / interface", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0021] Now combined with the description of the drawings, the structural characteristics of the utility model are described in detail.

[0022] Referring to Figs. 1-2 A flexible wire cable, outer sleeve layer 1, power line 3, power line 3 extends forward in spiral, power line 3 is fixedly sleeved with wrapping layer 2 outside, wrapping layer 2 is composed of insulating rubber layer, power line 3 is collected and covered through wrapping layer 2, which has hard characteristics itself, outer sleeve layer 1 is sleeved on wrapping layer 2, outer sleeve layer 1 is composed of an array of a row of sleeves 6, two sleeves 6 are integrally connected through circumferential array of connecting pieces 8, the through hole between two connecting pieces 8 constitutes air hole 7, air hole 7 can keep ventilation in outer sleeve layer 1, and heat dissipation is carried out, arc-shaped groove 9 is arranged on the outer wall of connecting piece 8, the arc-shaped groove 9 is through on both sides and the groove bottom is located in the middle of connecting piece 8, when two sleeves 6 are bent, it is stretched, bent through connecting piece 8, outer sleeve layer 1 is composed of ethylene-vinyl acetate pipe, the thickness of connecting piece 8 is less than the thickness of sleeve 6, outer sleeve layer 1 has a light-colored coating on the outer wall, which prevents solar exposure.

[0023] Referring to Fig. 2, the support sheet 5 and the limiting sheet 4 are made of ethylene-vinyl acetate elastomer, and are integrally formed with the sleeve 6; according to the characteristics of the ethylene-vinyl acetate elastomer, the support sheet 5 and the limiting sheet 4 and the sleeve 6 are thick and not easy to deform, while the connecting sheet 8 is thin and has an arc-shaped groove 9 and is easy to deform; each sleeve 6 is provided with a limiting sheet 4 at a position corresponding to a penetrating position of the wrapping layer 2, the limiting sheet 4 is provided with a through hole 10, the through hole 10 is opposite to a position penetrated by the spiral extension of the power line 3, the through hole 10 is inclined to one side relative to the center of the limiting sheet 4, so that the spiral wrapping layer 2 can be inserted and rotated, the outer wall of the wrapping layer 2 is fitted with the through hole 10, so that the wrapping layer 2 is bent relative to the through hole 10 and cannot slide, and the limiting sheet 4 and the sleeve 6 are fixedly connected through the circumferential array of the support sheet 5, and the sleeve 6 is supported through the support sheet 5.

[0024] The flexible electric wire cable has the characteristics of good flexibility, strong ventilation and heat dissipation capacity, is more portable and practical, and is suitable for promotion.

[0025] Specifically, in use, referring to Figs. 1-2 In the production of the outer sleeve 1, the limiting sheet 4, the support sheet 5, the sleeve 6 and the connecting sheet 8 can be integrally formed, the spiral wrapping layer 2 is inserted into the through hole 10, the through holes 10 of the adjacent two support sheets 5 are staggered with each other, after the insertion of the wrapping layer 2, the bending part is blocked when being pulled, so as to fix the wrapping layer 2 and the limiting sheet 4 and prevent the power line 3 from sliding in the outer sleeve 1, when the cable is used, if bending occurs, the folding movement occurs between the sleeves 6, one side of the connecting sheet 8 connected to the sleeve 6 is bent at the groove bottom of the arc-shaped groove 9, and the other side is stretched, the cable is hollow, and only the force required for the bending of the wrapping layer 2 and the power line 3 needs to be applied when bending, the outer sleeve 1 has arrayed holes on the outer wall for heat dissipation, and the outer sleeve 1 is supported by the internal arrayed support sheets 5 and protects the internal power line 3.

[0026] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A flexible electric wire cable, a sheath layer (1), an electrically conductive wire (3), characterized in that, The power wire (3) extends forward in a spiral shape, and the outer side of the power wire (3) is fixedly sleeved with a wrapping layer (2); The outer sleeve layer (1) is sleeved on the wrapping layer (2), and the outer sleeve layer (1) is composed of an array of a row of sleeves (6), two sleeves (6) are integrally connected through circumferentially arrayed connecting pieces (8), and the through holes between two connecting pieces (8) form air holes (7); Each sleeve (6) is provided with a limiting piece (4) at a position corresponding to the penetrating position of the wrapping layer (2), the limiting piece (4) is provided with a through hole (10), the outer side of the through hole (10) is opposite to the position penetrated by the spiral extension of the power wire (3), and the limiting piece (4) and the sleeve (6) are fixedly connected through circumferentially arrayed supporting pieces (5); The outer wall of the connecting piece (8) is provided with an arc-shaped groove (9), the arc-shaped groove (9) is through on both sides and the groove bottom is located at the middle part of the connecting piece (8).

2. A flexible electrical cord cable according to claim 1, wherein, The outer sleeve layer (1) is composed of an ethylene-vinyl acetate pipeline, the thickness of the connecting piece (8) is smaller than that of the sleeve (6), and the outer wall of the outer sleeve layer (1) has a light-colored coating.

3. A flexible electrical cord cable according to claim 1, wherein, The supporting piece (5) and the limiting piece (4) are composed of an ethylene-vinyl acetate elastomer, which is integrally formed with the sleeve (6), and the center of the through hole (10) is inclined to one side relative to the limiting piece (4).

4. A flexible electrical cord cable according to claim 1, wherein, The wrapping layer (2) is composed of an insulating rubber layer, and the outer wall of the wrapping layer (2) is fitted with the through hole (10).

Images