Automobile EPB wire harness sleeve pipeline structure

Abstract

The utility model discloses an automobile EPB wire harness sleeve pipeline structure, which comprises a first outer sleeve, first core wires, an inner sleeve and second core wires, the inner sleeve is sleeved in the first outer sleeve, one side of the inner sleeve is provided with two first core wires, and two second core wires are sleeved in the inner sleeve; the first core wire is sleeved in the first outer sleeve; the inner diameter of the first outer sleeve is 7.5 mm, and the outer diameter of the first outer sleeve is 9.2 mm; the inner diameter of the inner sleeve is 3.2 mm, and the outer diameter of the inner sleeve is 4.3 mm; the diameter of the first core wire is 2.9 mm; the diameter of the second core wire is 1.6 mm; according to the utility model, by additionally arranging the first outer sleeve and the inner sleeve, the first core wire and the second core wire can be protected, and the bending resistance of the wire harness can be effectively enhanced, so that the service life of the wire harness is prolonged, the risk of wire harness fault is reduced, and the safety of the whole automobile is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to an automobile EPB wiring harness sleeve wire structure. Background Art

[0002] With the rapid development of the automobile industry, automobile safety is the first indicator of automobile design and manufacturing. By using modern technology and advanced means, various possible ways and solutions to further improve safety can be used to make automobiles as a means of transportation safer. The PEB system as a braking system is a major safety system and an important factor in measuring automobile safety standards. The large number of applications of EPB electronic parking systems in automobiles plays an important role in improving automobile safety and riding comfort. Among them, the EPB wiring harness is an organic part of the system, and its reliability is directly related to the stable operation of the entire EPB system. The automobile EPB wiring harness integrates the EPB line and the ABS line and is installed in the chassis suspension area of ​​the vehicle body. In actual use, due to the swing traction of the longitudinal swing arm in the chassis suspension system, the EPB wiring harness is often subjected to continuous high-frequency bending, resulting in bending and breaking of the wires in this section. Therefore, the automobile EPB wiring harness sheath line structure is proposed. Utility Model Content

[0003] The utility model aims to provide an automobile EPB wiring harness sleeve wire structure to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: an automobile EPB wiring harness sheath wire structure, comprising a first outer sleeve, a first core wire, an inner sleeve and a second core wire, the first outer sleeve is sheathed with an inner sleeve, two first core wires are arranged on one side of the inner sleeve, and two second core wires are sheathed in the inner sleeve.

[0005] Preferably, the first core wire is sleeved in the first outer sleeve.

[0006] Preferably, the inner diameter of the first outer sleeve is 7.5 mm and the outer diameter is 9.2 mm.

[0007] Preferably, the inner diameter of the inner sleeve is 3.2 mm and the outer diameter is 4.3 mm.

[0008] Preferably, the diameter of the first core wire is 2.9 mm.

[0009] Preferably, the diameter of the second core wire is 1.6 mm.

[0010] The automobile EPB wiring harness sleeve wire structure provided by the utility model has the advantages that: the utility model can protect the first core wire and the second core wire by adding a first outer sleeve and an inner sleeve, and can effectively enhance the bending resistance of the wiring harness, thereby extending the service life of the wiring harness, reducing the risk of wiring harness failure, and further improving the safety of the entire automobile. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the overall front view cutaway structure of Example 1;

[0013] Figure 2 It is a schematic diagram of the overall front view cutaway structure of Example 2.

[0014] In the figure: 1, first outer sleeve; 11, first core wire; 12, inner sleeve; 13, second core wire; 2, second outer sleeve; 21, third core wire; 22, fourth core wire. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0016] See also Figure 1-2 , a technical solution provided by the utility model:

[0017] Example 1

[0018] The automobile EPB wiring harness sheath wire structure comprises a first outer sleeve 1, a first core wire 11, an inner sleeve 12 and a second core wire 13. The inner sleeve 12 is sleeved inside the first outer sleeve 1, two first core wires 11 are arranged on one side of the inner sleeve 12, and two second core wires 13 are sleeved inside the inner sleeve 12. The first outer sleeve 1 is used to protect the first core wire 11 and the inner sleeve 12, the inner sleeve 12 is used to protect the second core wire 13, and the first core wire 11 and the second core wire 13 are used to transmit electrical signals; the first core wire 11 is sleeved inside the first outer sleeve 1; the inner diameter of the first outer sleeve 1 is 7.5 mm, and the outer diameter is 9.2 mm; the inner diameter of the inner sleeve 12 is 3.2 mm, and the outer diameter is 4.3 mm; the diameter of the first core wire 11 is 2.9 mm; and the diameter of the second core wire 13 is 1.6 mm.

[0019] Example 2

[0020] The automobile EPB wiring harness sheath wire structure includes a second outer sleeve 2, a third core wire 21 and a fourth core wire 22. Two third core wires 21 and two fourth core wires 22 are sheathed in the second outer sleeve 2. The outer diameter of the second outer sleeve 2 is 10 mm, and the inner diameter is 7 mm. The diameter of the third core wire 21 is 2.9 mm, and the diameter of the fourth core wire 22 is 1.6 mm. The second outer sleeve 2 is used to protect the third core wire 21 and the fourth core wire 22. The third core wire 21 and the fourth core wire 22 are used to transmit electrical signals.

[0021] Working principle: In the utility model, the first outer sleeve 1, the inner sleeve 12 and the second outer sleeve 2 are all made of insulating material, which has the functions of bending resistance and insulation. The first outer sleeve 1 is used to protect the first core wire 11 and the inner sleeve 12, the inner sleeve 12 is used to protect the second core wire 13, and the second outer sleeve 2 is used to protect the third core wire 21 and the fourth core wire 22; for the dynamic bending test of the utility model, the bench needs to simulate the installation and movement state of the EPB wiring harness in the actual vehicle, and the movement frequency is 1Hz, and the test items are as follows: temperature -30℃, 150,000 cycles; temperature -20℃, 250,000 cycles; room temperature, 600,000 cycles; the test results are all: the wiring harness is not damaged, and the signal is sent normally.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An automobile EPB wiring harness sleeve wire structure, comprising a first outer sleeve (1), a first core wire (11), an inner sleeve (12) and a second core wire (13), characterized in that: The first outer sleeve (1) is sleeved with an inner sleeve (12), two first core wires (11) are arranged on one side of the inner sleeve (12), and two second core wires (13) are sleeved inside the inner sleeve (12).

2. The automotive EPB wiring harness sheath wire structure according to claim 1, characterized in that: The first core wire (11) is sleeved in the first outer sleeve (1).

3. The automotive EPB wiring harness sheath wire structure according to claim 2, characterized in that: The first outer sleeve (1) has an inner diameter of 7.5 mm and an outer diameter of 9.2 mm.

4. The automotive EPB wiring harness sheath wire structure according to claim 1, characterized in that: The inner diameter of the inner sleeve (12) is 3.2 mm, and the outer diameter is 4.3 mm.

5. The automotive EPB wiring harness sheath wire structure according to claim 2, characterized in that: The diameter of the first core wire (11) is 2.9 mm.

6. The automotive EPB wiring harness sheath wire structure according to claim 1, characterized in that: The diameter of the second core wire (13) is 1.6 mm.

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