Novel sealing structure of automobile wire harness

Abstract

The utility model discloses a novel sealing structure of an automobile wire harness. The novel sealing structure comprises a wire harness; a terminal connected to an end portion of the wire harness; a sealing sleeve is sleeved between the wire harness and the terminal, a heat shrink tube is sleeved outside the sealing sleeve, the sealing sleeve is an elastic sleeve, one end of the sealing sleeve is provided with a first sealing ring, the other end of the sealing sleeve is provided with a second sealing ring, and the second sealing ring is matched with an annular groove in the surface of the terminal. The sealing sleeve has elasticity and is tightly attached to the surface of the wire harness and the surface of the terminal, the surface of the wire harness can be tightened through the first sealing ring, and the annular grooves in the two sides of the first lower portion of the first sealing ring can play a role in pulling the first sealing ring so that the first lower portion can be attached to the surface of the wire harness more tightly. The second sealing ring at the terminal is matched with the annular groove of the second sealing ring for limiting, the forked supporting feet of the second sealing ring can abut against the side wall and the bottom face of the annular groove, the sealing performance is improved, and the heat shrink tube is arranged outside the sealing sleeve, so that pressure can be applied to the sealing sleeve, the tightness of the sealing sleeve is improved, and the effect of secondary sealing can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile wiring harness sealing, in particular to a novel sealing structure of an automobile wiring harness. Background Art

[0002] The end of the wiring harness will be connected to the terminal, and a heat shrink tube will be installed at the junction of the two, which not only plays the role of insulation, but also plays the role of sealing. The dust and waterproof of the wiring harness can prevent its internal erosion by water and dust pollution affecting its performance. The heat shrink tube shrinks and wraps the wiring harness when heated, but the wrapping is not tight, wrinkles will form on the surface of the heat shrink tube, there will be gaps at the wrinkles, and the sealing performance will be affected. In order to solve this problem, a new sealing structure for automotive wiring harness is provided. Utility Model Content

[0003] In view of this, the technical problem to be solved by the utility model is to provide a new sealing structure of a wiring harness for an automobile, which solves the problem of poor sealing between the wiring harness and the terminal in the prior art.

[0004] In order to solve the above technical problems, the utility model discloses a novel sealing structure of an automobile wiring harness, comprising: a wiring harness; a terminal connected to the end of the wiring harness; a sealing sleeve is sleeved between the wiring harness and the terminal, a heat shrink tube is sleeved on the outside of the sealing sleeve, the sealing sleeve is an elastic sleeve, a sealing ring 1 is provided at one end of the sealing sleeve, and a sealing ring 2 is provided at the other end, the sealing ring 2 cooperates with a ring groove on the surface of the terminal, the sealing ring 1, the sealing ring 2 and the sealing sleeve are in an integrated shape, the cross-sectional height of the sealing ring 1 is greater than the thickness of the sealing sleeve, and its upper part 1 protrudes from the upper surface of the sealing sleeve, and the lower part 1 protrudes from the lower surface of the sealing sleeve, annular grooves are provided on both sides of the lower part 1 of the sealing ring 1, the cross-sectional height of the sealing ring 2 is greater than the thickness of the sealing sleeve, and its upper part 2 protrudes from the upper surface of the sealing sleeve, and the lower part 2 protrudes from the lower surface of the sealing sleeve, and the lower part 2 of the sealing ring 2 is two forked legs.

[0005] Furthermore, the cross-sections of the upper portion 1 and the lower portion 1 of the sealing ring 1 are in arc shapes.

[0006] Furthermore, the cross section of the upper portion 2 of the sealing ring 2 is in an arc shape.

[0007] Furthermore, three sealing rings are arranged at intervals on one end of the sealing sleeve.

[0008] Compared with the prior art, the present application can obtain the following technical effects:

[0009] The sealing sleeve of the utility model is elastic and fits tightly with the surface of the wiring harness and the surface of the terminal, and the surface of the wiring harness can be tightened by the sealing ring one, the annular grooves on both sides of the lower part one of the sealing ring one can play the role of pulling the sealing ring one to make the lower part one fit more tightly with the surface of the wiring harness, the sealing ring two at the terminal cooperates with its annular groove to limit the position, and the forked legs of the sealing ring two can abut against the side wall and the bottom surface of the annular groove to improve the sealing performance, and a heat shrink tube is arranged on the outside of the sealing sleeve, which can not only apply pressure to the sealing sleeve to improve the tightness of the sealing sleeve, but also play a role of secondary sealing.

[0010] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0012] Figure 1 is a schematic diagram of a wiring harness and a terminal according to an embodiment of the present utility model;

[0013] Figure 2 yes Figure 1 The enlarged schematic diagram of point A in the middle;

[0014] Figure 3 yes Figure 1 A magnified schematic diagram of point B in the middle.

[0015] Figure ID

[0016] Wire harness 1, terminal 2, sealing sleeve 3, heat shrink tube 4, sealing ring 1 5, sealing ring 2 6, ring groove 7, upper part 1 8, lower part 1 9, annular groove 10, upper part 2 11, lower part 2 12, support leg 13. DETAILED DESCRIPTION

[0017] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0018] Please refer to Figures 1 to 3 , Figure 1 is a schematic diagram of a wiring harness and a terminal according to an embodiment of the present utility model; Figure 2 yes Figure 1 The enlarged schematic diagram of point A in the middle; Figure 3 yes Figure 1 A magnified schematic diagram of point B in the middle.

[0019] A new type of sealing structure for automobile wiring harness, comprising: a wiring harness 1; a terminal 2 connected to the end of the wiring harness 1; a sealing sleeve 3 is sleeved between the wiring harness 1 and the terminal 2, a heat shrink tube 4 is sleeved on the outside of the sealing sleeve 3, the heat shrink tube 4 is longer than the sealing sleeve 3, the sealing sleeve 3 is an elastic sleeve, a sealing ring 1 5 is provided at one end of the sealing sleeve 3, and a sealing ring 2 6 is provided at the other end, the sealing ring 2 6 cooperates with a ring groove 7 on the surface of the terminal 2, the sealing ring 1 5, the sealing ring 2 6 and the sealing sleeve 3 are in an integrated shape, the cross-sectional height of the sealing ring 1 5 is greater than the thickness of the sealing sleeve 3, and its upper part 1 8 protrudes from the upper surface of the sealing sleeve 3, and the lower part 1 9 protrudes from the lower surface of the sealing sleeve 3, annular grooves 10 are provided on both sides of the lower part 1 9 of the sealing ring 1 5, the cross-sectional height of the sealing ring 2 6 is greater than the thickness of the sealing sleeve 3, and its upper part 2 11 protrudes from the upper surface of the sealing sleeve 3, and the lower part 2 12 protrudes from the lower surface of the sealing sleeve 3, and the lower part of the sealing ring 2 6 is divided into two forked legs 13.

[0020] The cross-sections of the upper part 8 and the lower part 9 of the sealing ring 1 5 are in the shape of an arc; the cross-section of the upper part 11 of the sealing ring 2 6 is in the shape of an arc; three sealing rings 5 ​​are arranged at intervals at one end of the sealing sleeve 3.

[0021] The sealing sleeve 3 of the utility model is elastic, and fits tightly with the surface of the wiring harness 1 and the surface of the terminal 2, and the surface of the wiring harness 1 can be tightened by the sealing ring 5. The annular grooves 10 on both sides of the lower part 9 of the sealing ring 5 can pull the sealing ring 5 so that the lower part 9 and the surface of the wiring harness 1 are more tightly attached. The sealing ring 6 at the terminal 2 cooperates with its annular groove 7 to limit the position, and the forked legs 13 of the sealing ring 6 can abut against the side wall and bottom surface of the annular groove 7 to improve the sealing performance. In addition, a heat shrink tube 4 is arranged outside the sealing sleeve 3, which can not only apply pressure to the sealing sleeve 3 to improve the tightness of the sealing sleeve 3, but also play a role of secondary sealing.

[0022] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A new sealing structure for automotive wiring harness, comprising: Wiring harness; a terminal connected to an end of the wiring harness; It is characterized in that a sealing sleeve is sleeved between the wiring harness and the terminal, a heat shrink tube is sleeved on the outside of the sealing sleeve, the sealing sleeve is an elastic sleeve, a sealing ring 1 is provided at one end of the sealing sleeve, and a sealing ring 2 is provided at the other end, the sealing ring 2 cooperates with the ring groove on the surface of the terminal, the sealing ring 1, the sealing ring 2 and the sealing sleeve are integrated, the cross-sectional height of the sealing ring 1 is greater than the thickness of the sealing sleeve, and its upper part 1 protrudes from the upper surface of the sealing sleeve, and the lower part 1 protrudes from the lower surface of the sealing sleeve, annular grooves are provided on both sides of the lower part of the sealing ring 1, the cross-sectional height of the sealing ring 2 is greater than the thickness of the sealing sleeve, and its upper part 2 protrudes from the upper surface of the sealing sleeve, and the lower part 2 protrudes from the lower surface of the sealing sleeve, and the lower part 2 of the sealing ring 2 is two forked legs.

2. The sealing structure of the new automobile wiring harness according to claim 1 is characterized in that: The cross sections of the upper portion 1 and the lower portion 1 of the sealing ring 1 are in arc shapes.

3. The sealing structure of the novel automobile wiring harness as claimed in claim 1 is characterized in that: The cross section of the upper portion 2 of the sealing ring 2 is in an arc shape.

4. The sealing structure of the novel automobile wiring harness as claimed in claim 1 is characterized in that: Three sealing rings are arranged at intervals at one end of the sealing sleeve.

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