Wire harness capable of preventing excessive bending damage

Abstract

The utility model discloses a wire harness capable of preventing excessive bending damage, and relates to the technical field of wire harnesses, the main body structure of the wire harness is composed of connectors and cables, and the cables are connected between the connectors at the left and right sides at equal intervals; comprising a bending protection mechanism, the main body structure of which is composed of a protection block, and the protection block is assembled outside a cable in a sleeving manner; a positioning sliding groove is formed in the protection block in a penetrating mode, and bending cutting grooves are formed in the upper surface and the lower surface of the protection block. According to the wire harness capable of preventing the excessive bending damage, a novel structural design is adopted, metal conductors in the cables in the wire harness are distributed in a crossed winding mode, the bending-resistant effect of the cables is high, a movable protection structure is arranged outside the wire harness, the position of the protection structure is adjusted in a sliding mode according to the bending position of the wire harness, and in the bending process, the wire harness is prevented from being damaged due to excessive bending. The protection structure can prevent the wire harness from being excessively bent, and the stability of wire harness connection and signal transmission is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harnesses, in particular to a wire harness which is prevented from being damaged by excessive bending. Background Art

[0002] The wiring harness is composed of a group of cables. Multiple cables are electrically connected to the side of the connection terminal to control the circuit signal transmission. The wiring harness can combine and connect cables of different specifications, models, and colors. The combined wiring harness is relatively complete and the transmission signal is very reliable.

[0003] A wiring harness and a wiring harness connector with application number CN208272264U, including a wiring harness, a fixing member for gathering the wiring harness, and a male connector, the fixing member including a connection part for circuit connection and a limiting part, the male connector including a mating groove matched with a female connector and a limiting groove for inserting the fixing member, the limiting groove is connected to the mating groove, a locking member for abutting against one end of the fixing member near the wiring harness is inserted in the limiting groove of the male connector, the locking member and the male connector are relatively slidably arranged, and a limiting protrusion is arranged on the male connector. The locking member includes an abutting portion for abutting the limiting portion and a clamping portion that is clamped with the limiting protrusion. The clamping portion is provided with a clamping groove for clamping the limiting protrusion. The male connector is located at the limiting groove and is embedded between the abutting portion and the clamping portion. The wiring harness is fixed on the fixing member and then plugged into the male connector. The locking member abuts the fixing member and is limited in the male connector to ensure the stability of the circuit connection. The wiring harness is not provided with a protective structure on the outside. The wiring harness may be broken or damaged if it is excessively bent during connection and use.

[0004] Some existing wiring harnesses are only insulated and protected by sheaths on the outside. When the cables combined inside the wiring harness are connected and used, the surface sheaths will crack if they are excessively bent, which reduces the insulation of the cable connection application and easily damages the internal metal conductor, affecting the stability of the wiring harness transmission signal.

[0005] Therefore, it is necessary to design a wiring harness that can prevent damage from excessive bending in view of the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a wiring harness that is resistant to damage due to excessive bending, so as to solve the problem proposed in the above background technology that the exterior of some existing wiring harnesses is insulated only by a sheath, and the surface sheath of the cables assembled inside the wiring harness may crack when excessively bent when connected and used, thereby reducing the insulation of the cable connection application and easily damaging the internal metal conductor, affecting the stability of the wiring harness transmission signal, and the like.

[0007] To achieve the above object, the utility model provides the following technical solution: a wiring harness that prevents damage due to excessive bending, wherein the wiring harness main structure is composed of a connector and cables, wherein the cables are connected between the connectors on the left and right sides at equal intervals;

[0008] A wire harness for preventing damage from excessive bending, comprising:

[0009] The bending protection mechanism has a main structure composed of a protection block, and the protection block is sleeved and assembled on the outside of the cable;

[0010] A positioning slot is provided through the interior of the protection block, and bending slots are provided on the upper and lower surfaces of the protection block.

[0011] Preferably, the cable is composed of a sheath, a thickened layer and a metal conductor;

[0012] The sheath is arranged on the outermost layer of the cable, the thickening layer is arranged on the inner side of the sheath, and the metal conductor is connected through the inner side of the thickening layer;

[0013] The cable composed of these components has strong bending resistance.

[0014] Preferably, two groups of metal conductors are arranged inside the thickened layer, and the two groups of metal conductors are intertwined and distributed; the cross-entangled metal conductors are not easy to break or be damaged.

[0015] Preferably, the cable is connected to the inside of the protective block through a positioning groove, and the protective block forms a left-right sliding structure with the cable through the positioning groove, and three groups of protective blocks are arranged on the outside of the cable; according to the bending position of the wiring harness, the sliding controls the protective block to move to the corresponding position outside the cable.

[0016] Preferably, the protective block is composed of an outer protective layer, an inner embedded groove, an elastic block, an inner protective layer and an expanded layer;

[0017] The outer protective layer is arranged on the outermost side of the protective block, the inner embedded grooves are arranged at equal intervals inside the outer protective layer, the elastic block is fitted and fixed on the inner side wall of the inner embedded groove, the inner protective layer is fitted and fixed on the inner side of the elastic block, and the expanded layer is fitted and fixed on the inner side of the inner protective layer;

[0018] This part of the components forms a bending-resistant protection structure to prevent the internal cables from breaking and being damaged when the wiring harness is connected and bent.

[0019] Preferably, the elastic block is fitted and fixed on the four outer sides of the inner protective layer, and circular holes are opened at equal intervals inside the elastic block; the elastic block protection is arranged on the outside of the cable to avoid excessive bending of the cable when it is connected.

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows: the wiring harness that prevents damage by excessive bending has the following specific contents:

[0021] 1. The wire harness for preventing excessive bending damage is provided with a wire harness bending protection structure. A protection block is slidably provided on the outside of the cable. According to the bending position of the wire harness, the protection block is slidably adjusted to the position corresponding to the outside of the cable. When the wire harness is controlled to bend, the protection block is bent correspondingly through the bending groove. The elastic block, inner protection layer and expanded layer protection inside are provided on the outside of the cable, which can effectively prevent the cable from being damaged by excessive bending.

[0022] 2. The wiring harness that prevents damage due to excessive bending is provided with a cable bending damage prevention structure. Two groups of metal conductors are arranged inside the cable. The two groups of metal conductors are cross-wound and distributed. When the cross-metal conductors are bent, their bending resistance is better, thus preventing the metal conductors from being easily damaged by bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the vertical structure of the protective block of the utility model;

[0025] Figure 3 This is a schematic diagram of the bending and grooving facade structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the cable structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the protective block of the utility model;

[0028] Figure 6 It is a schematic diagram of the front cross-sectional structure of the circular hole of the utility model.

[0029] In the figure: 1. Connector; 2. Cable; 21. Sheath; 22. Thickening layer; 23. Metal conductor; 3. Protective block; 31. Outer protective layer; 32. Embedded groove; 33. Elastic block; 331. Round hole; 34. Inner protective layer; 35. Expanded layer; 4. Positioning slide groove; 5. Bending groove. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 6 , the utility model provides a technical solution: a wire harness that prevents damage from excessive bending, the main structure of the wire harness is composed of a connector 1 and a cable 2, and the cables 2 are connected between the connectors 1 on the left and right sides at equal intervals;

[0032] A wire harness for preventing damage from excessive bending, comprising:

[0033] The bending protection mechanism has a main structure consisting of a protection block 3, which is sleeved and assembled on the outside of the cable 2;

[0034] A positioning slot 4 is formed inside the protection block 3 , and bending slots 5 are formed on the upper and lower surfaces of the protection block 3 .

[0035] In this example, the cable 2 is composed of a sheath 21, a thickening layer 22 and a metal conductor 23; the sheath 21 is arranged on the outermost layer of the cable 2, the thickening layer 22 is arranged on the inner side of the sheath 21, and the metal conductor 23 is connected to the inner side of the thickening layer 22 through the sheath 21; two groups of metal conductors 23 are arranged inside the thickening layer 22, and the two groups of metal conductors 23 are intertwined and distributed;

[0036] The cable 2 is connected to four groups on the inner side of the connector 1, and two groups of metal conductors 23 are arranged inside the cable 2, and the two groups of metal conductors 23 are cross-wound and distributed. The cross-wound metal conductors 23 have better bending resistance. When the cable 2 is bent, the two groups of metal conductors 23 cross-wound and distributed inside are not easily damaged by bending, so that the stability of its signal transmission is maintained;

[0037] The cable 2 is connected to the inside of the protective block 3 through the positioning slot 4, and the protective block 3 forms a left-right sliding structure with the cable 2 through the positioning slot 4, and the protective block 3 is provided with 3 groups on the outside of the cable 2; the protective block 3 is composed of an outer protective layer 31, an embedded groove 32, an elastic block 33, an inner protective layer 34 and an expanded layer 35; the outer protective layer 31 is arranged at the outermost side of the protective block 3, the embedded groove 32 is evenly spaced inside the outer protective layer 31, the elastic block 33 is fitted and fixed to the inner side wall of the embedded groove 32, the inner protective layer 34 is fitted and fixed to the inner side of the elastic block 33, and the expanded layer 35 is fitted and fixed to the inner side of the inner protective layer 34; the elastic block 33 is fitted and fixed to the outer four sides of the inner protective layer 34, and the inside of the elastic block 33 is evenly spaced with circular holes 331;

[0038] When controlling the bending of the wiring harness, according to the complete position of the wiring harness, the positioning slide groove 4 is used to push the protective block 3 to slide on the outside of the cable 2, so that the protective block 3 is correspondingly set at the bending position of the wiring harness. During the bending process, the upper and lower sides of the protective block 3 are assisted by the bending groove 5. The bending degree of the protective position of the protective block 3 is limited, which can avoid excessive bending of the wiring harness connection. The protective block 3 is composed of an outer protective layer 31, an elastic block 33, an inner protective layer 34 and an expanded layer 35. This part of the structural protection is set on the outside of the cable 2. During the bending process of the wiring harness, the influence of the bending force on the bending of the inner cable 2 can be reduced, and the protective effect of the elastic block 33 is relatively strong, that is, it can transition the bending of the inner cable 2 on the surface, and can also form insulation, pressure resistance and other protection on the outside of the wiring harness, thereby improving the stability of the transmission signal of the wiring harness connection application.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wire harness that prevents damage due to excessive bending, wherein the main structure of the wire harness is composed of a connector (1) and cables (2), wherein the cables (2) are connected between the connectors (1) on the left and right sides at equal intervals; It is characterized in that include: A bending protection mechanism, the main structure of which is composed of a protection block (3), wherein the protection block (3) is sleeved and mounted on the outside of the cable (2); A positioning slot (4) is provided through the interior of the protection block (3), and bending slots (5) are provided on the upper and lower surfaces of the protection block (3).

2. A wire harness for preventing damage from excessive bending according to claim 1, Features: The cable (2) is composed of a sheath (21), a thickened layer (22) and a metal conductor (23); The sheath (21) is arranged on the outermost layer of the cable (2), the thickening layer (22) is arranged on the inner side of the sheath (21), and the metal conductor (23) penetrates and is connected to the inner side of the thickening layer (22).

3. A wire harness for preventing damage by excessive bending according to claim 2, Features: Two groups of metal conductors (23) are arranged inside the thickened layer (22), and the two groups of metal conductors (23) are intertwined and distributed.

4. A wire harness for preventing damage due to excessive bending according to claim 1, Features: The cable (2) is connected to the inside of the protection block (3) through the positioning slide groove (4), and the protection block (3) forms a left-right sliding structure with the cable (2) through the positioning slide groove (4), and three groups of protection blocks (3) are arranged outside the cable (2).

5. A wire harness for preventing damage by excessive bending according to claim 4, Features: The protective block (3) is composed of an outer protective layer (31), an inner embedded groove (32), an elastic block (33), an inner protective layer (34) and a puffing layer (35); The outer protective layer (31) is arranged at the outermost side of the protective block (3); the inner embedded grooves (32) are arranged at equal intervals inside the outer protective layer (31); the elastic block (33) is fitted and fixed to the inner side wall of the inner embedded groove (32); the inner protective layer (34) is fitted and fixed to the inner side of the elastic block (33); and the expanded layer (35) is fitted and fixed to the inner side of the inner protective layer (34).

6. A wire harness for preventing damage due to excessive bending according to claim 5, Features: The elastic block (33) is fitted and fixed on the four outer side positions of the inner protective layer (34), and circular holes (331) are provided at equal intervals inside the elastic block (33).

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