Automobile wire harness with waterproof structure

Abstract

The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile wire harness with a waterproof structure, which comprises a bus head, a male wire head, main wires and branch wires, the end parts of the bus head and the male wire head are connected with the main wires, the surfaces of the main wires are connected with the branch wires, the surface of the bus head is connected with a first limiting ring, and the surface of the bus head is connected with a second limiting ring. The surface of the bus head located between the first limiting ring and the second limiting ring is sleeved with a first inner threaded pipe, the surface of the male wire head is connected with a first outer threaded pipe, and the surface of the male wire head is connected with a sealing ring. According to the utility model, after the male wire head is inserted into the bus head, the first internal threaded pipe moves to the end part of the first external threaded pipe and rotates, the first internal threaded pipe can move downwards when rotating and extrudes the bus head to move downwards through the second limiting ring, and after the bus head presses the sealing ring, the bus head and the male wire head can be sealed; therefore, water can be prevented from entering the joint.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile wire harness with a waterproof structure. BACKGROUND

[0002] The automobile wire harness is an important component of the automobile electrical system. It connects various parts of the automobile, ensures stable and reliable current flow, and thus realizes various functions. With the rapid development of the automobile industry and the continuous improvement of the degree of automobile electrification, the role of the automobile wire harness will become more and more important.

[0003] The automobile wire harness refers to a component that connects circuits by bundling a contact terminal (connector) made of copper material and a wire cable after pressure connection, and then adding an insulating body or a metal shell outside. It is mainly composed of a cable, a wrapping material, and a connector (terminal). The cable is the highest proportion of the automobile wire harness, and its weight accounts for 75% to 80% of the entire wire harness.

[0004] The existing automobile wire harness has strong waterproofness of the surface of the main body, but the automobile wire harness needs to be connected through a wire harness connector after a certain distance, and there are gaps between the wire harness connectors, which are easy to enter water, thus easily causing short circuit of the automobile wire harness. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an automobile wire harness with a waterproof structure, which aims to solve the problem that the existing automobile wire harness needs to be connected through a wire harness connector after a certain distance, and there are gaps between the wire harness connectors, which are easy to enter water, thus easily causing short circuit of the automobile wire harness.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an automobile wire harness with a waterproof structure, comprising a female terminal, a male terminal, a main wire, and a branch wire, the end of the female terminal and the male terminal is connected with the main wire, the surface of the main wire is connected with the branch wire, the surface of the female terminal is connected with a first limiting ring, the surface of the female terminal is connected with a second limiting ring, the surface of the female terminal between the first limiting ring and the second limiting ring is sleeved with a first internal thread pipe, the surface of the male terminal is connected with a first external thread pipe, and the surface of the male terminal is connected with a sealing ring.

[0007] In order to realize the sealing between the female terminal and the male terminal, as an automobile wire harness with a waterproof structure of the utility model, the first limiting ring, the female terminal, and the second limiting ring are an integral structure, and the sealing ring is made of rubber material.

[0008] In order to realize the bus head extrusion to the surface of the sealing ring, as a kind of automobile wire harness with waterproof structure preferred by the utility model, the first inner threaded pipe is connected with the first outer threaded pipe by screwing, and the first inner threaded pipe is connected with the bus head by sliding.

[0009] As a kind of automobile wire harness with waterproof structure preferred by the utility model, the surface of the main wire is sleeved with a sleeve pipe, the side surface of the sleeve pipe is connected with a second outer threaded pipe, the surface of the branch wire is sleeved with a fixed half pipe, the surface of the fixed half pipe is connected with an extrusion block, the inner wall of the fixed half pipe is connected with a rubber half ring, and the surface of the second outer threaded pipe and the fixed half pipe is sleeved with a second inner threaded pipe.

[0010] As a kind of automobile wire harness with waterproof structure preferred by the utility model, the sleeve pipe and the second outer threaded pipe are connected by a communication structure, the sleeve pipe and the main wire are connected by sliding, and the second outer threaded pipe and the second inner threaded pipe are connected by screwing.

[0011] As a kind of automobile wire harness with waterproof structure preferred by the utility model, the fixed half pipe and the extrusion block are connected by an integral structure.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In the utility model, after the male wire head is inserted into the bus head, the first inner threaded pipe moves to the end of the first outer threaded pipe and rotates, the first inner threaded pipe can move downward and extrude the bus head downward through the second limiting ring when rotating, the bus head can be sealed with the male wire head after pressing the sealing ring, so that water can be prevented from entering the connector, thereby preventing water from causing short circuit of the automobile wire harness.

[0014] In the utility model, after the two fixed half pipes are sleeved on the surface of the branch wire and the ends thereof are inserted into the inside of the second outer threaded pipe, then the second inner threaded pipe moves to the end of the second outer threaded pipe and rotates, the second inner threaded pipe can move towards the sleeve pipe while rotating on the surface of the second outer threaded pipe, the second inner threaded pipe can extrude the fixed half pipe when moving to the surface of the extrusion block, the two fixed half pipes can clamp the branch wire through the rubber half ring after being extruded, so that the force is dispersed to the sleeve pipe when the branch wire is subjected to tension, thereby protecting the branch wire. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model.

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 Figure 2 is a sectional view of the busbar head and the male head connection structure of the utility model;

[0018] Figure 3 Figure 3 is a schematic diagram of the protective structure of the utility model;

[0019] Figure 4 Figure 4 is a sectional view of the protective structure of the utility model;

[0020] Figure 5 Figure 5 is an exploded view of the protective structure of the utility model.

[0021] In the figure: 1, busbar head; 2, male head; 3, main line; 4, branch line; 5, first limiting ring; 6, second limiting ring; 7, first internal threaded pipe; 8, first external threaded pipe; 9, sleeve; 10, second external threaded pipe; 11, fixed half pipe; 12, extrusion block; 13, rubber half ring; 14, second internal threaded pipe; 15, sealing ring. DETAILED DESCRIPTION

[0022] 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 labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a kind of automobile wiring harness with waterproof structure, including busbar head 1, male head 2, main line 3 and branch line 4, the end of busbar head 1 and male head 2 is connected with main line 3, the surface of main line 3 is connected with branch line 4, the surface of busbar head 1 is connected with first limiting ring 5, the surface of busbar head 1 is connected with second limiting ring 6, first internal threaded pipe 7 is sleeved on the surface of busbar head 1 between first limiting ring 5 and second limiting ring 6, the surface of male head 2 is connected with first external threaded pipe 8, the surface of male head 2 is connected with sealing ring 15.

[0024] Preferably: first limiting ring 5, busbar head 1 and second limiting ring 6 are integrated structure, sealing ring 15 is rubber material.

[0025] Specific use, busbar head 1 compacts sealing ring 15, and busbar head 1 and male head 2 are sealed by sealing ring 15.

[0026] Preferably: first internal threaded pipe 7 and first external threaded pipe 8 are threadedly connected, and first internal threaded pipe 7 and busbar head 1 are slidingly connected.

[0027] Specific use, the first inner threaded pipe 7 in the first outer threaded pipe 8 surface rotation while moving down, the first inner threaded pipe 7 down can be moved by the second limiting ring 6 with the bus head 1 to the direction of the male head 2 close to the movement.

[0028] Preferably: the surface of the main line 3 is sleeved with a sleeve 9, the side surface of the sleeve 9 is connected with a second outer threaded pipe 10, the surface of the branch line 4 is sleeved with a fixed half pipe 11, the surface of the fixed half pipe 11 is connected with an extrusion block 12, the inner wall of the fixed half pipe 11 is connected with a rubber half ring 13, the second outer threaded pipe 10 and the surface of the fixed half pipe 11 are sleeved with a second inner threaded pipe 14.

[0029] Preferably: the sleeve 9 and the second outer threaded pipe 10 are in communication structure, the sleeve 9 and the main line 3 are in sliding connection, the second outer threaded pipe 10 and the second inner threaded pipe 14 are in threaded connection.

[0030] Preferably: the fixed half pipe 11 and the extrusion block 12 are in one-piece structure.

[0031] Specific use, the second inner threaded pipe 14 in the second outer threaded pipe 10 surface rotation while moving to the direction close to the sleeve 9, the second inner threaded pipe 14 movement to the surface of the extrusion block 12 movement can be extruded to the fixed half pipe 11, two fixed half pipe 11 extruded can be through the rubber half ring 13 will be clamped in the branch line 4.

[0032] Working principle: in the use of the automobile wire harness with waterproof structure, first, the male head 2 is inserted into the inside of the bus head 1, then the first inner threaded pipe 7 moves to the end of the first outer threaded pipe 8 and rotates, the first inner threaded pipe 7 in the first outer threaded pipe 8 surface rotation while moving down, the first inner threaded pipe 7 down can be moved by the second limiting ring 6 with the bus head 1 to the direction of the male head 2 close to the movement, the bus head 1 after pressing the sealing ring 15, the bus head 1 and the male head 2 are sealed through the sealing ring 15, which can seal the joint, so as to avoid water;

[0033] First, two fixed half pipe 11 drive rubber half ring 13 sleeve in the surface of the branch line 4, then the end of the fixed half pipe 11 is inserted into the inside of the second outer threaded pipe 10, then the second inner threaded pipe 14 moves to the end of the second outer threaded pipe 10 and rotates, the second inner threaded pipe 14 in the second outer threaded pipe 10 surface rotation while moving to the direction close to the sleeve 9, the second inner threaded pipe 14 movement to the surface of the extrusion block 12 movement can be extruded to the fixed half pipe 11, two fixed half pipe 11 extruded can be through the rubber half ring 13 will be clamped in the branch line 4, so that the force is dispersed to the sleeve 9 when the branch line 4 is subjected to tensile force, thereby playing a protective role for the branch line 4.

[0034] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An automobile wire harness having a waterproof structure, comprising a female terminal (1), a male terminal (2), a main wire (3) and a branch wire (4), characterized in that: The bus head (1) and the end of the male head (2) are connected with the main line (3), the surface of the main line (3) is connected with the branch line (4), the surface of the bus head (1) is connected with the first limiting ring (5), the surface of the bus head (1) is connected with the second limiting ring (6), the surface of the bus head (1) between the first limiting ring (5) and the second limiting ring (6) is sleeved with the first internal thread pipe (7), the surface of the male head (2) is connected with the first external thread pipe (8), the surface of the male head (2) is connected with the sealing ring (15); The surface of the main line (3) is sleeved with the sleeve pipe (9), the side surface of the sleeve pipe (9) is connected with the second external thread pipe (10), the surface of the branch line (4) is sleeved with the fixed half pipe (11), the surface of the fixed half pipe (11) is connected with the extrusion block (12), the inner wall of the fixed half pipe (11) is connected with the rubber half ring (13), the surface of the second external thread pipe (10) and the fixed half pipe (11) is sleeved with the second internal thread pipe (14).

2. The automobile wire harness with waterproof structure according to claim 1, characterized in that: The first limiting ring (5), the bus head (1) and the second limiting ring (6) are an integral structure, and the sealing ring (15) is made of rubber.

3. The automobile wire harness with waterproof structure according to claim 2, characterized in that: The first internal thread pipe (7) and the first external thread pipe (8) are threadedly connected, and the first internal thread pipe (7) and the bus head (1) are slidably connected.

4. The automobile wire harness with a waterproof structure according to claim 3, characterized in that: The sleeve pipe (9) and the second external thread pipe (10) are in communication structure, the sleeve pipe (9) and the main line (3) are slidably connected, and the second external thread pipe (10) and the second internal thread pipe (14) are threadedly connected.

5. The automobile wire harness with a waterproof structure according to claim 4, characterized in that: The fixed half pipe (11) and the extrusion block (12) are an integral structure.

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