Wire harness waterproof structure for automobile spoiler

Abstract

According to the wiring harness waterproof structure used for the automobile spoiler, when the upper housing is fixed on the lower housing, the elastic sealing member has strong elasticity, and the lower housing can extrude the elastic sealing member in the wire outlet of the upper housing, so that the elastic sealing member is installed in the wire outlet of the upper housing in an interference fit manner; meanwhile, the lower shell is in interference fit with the elastic sealing element to realize tight clearance-free fit, and the lower shell is matched with the upper shell to extrude the elastic sealing element in the wire outlet, so that the interference fit effect of the conductive wire harness on the elastic sealing element is enhanced, and the condition of water leakage at the wire outlet of the upper shell can be effectively prevented; and the waterproof structure of the wire harness can meet the waterproof requirement of IPX7. Besides, when the automobile spoiler electronic equipment needs to be maintained and inspected, an operator does not need to carry out a glue cleaning step, and the upper shell is directly disassembled from the lower shell, so that the maintenance operation difficulty is reduced, the maintenance and inspection efficiency is effectively improved, and the maintenance cost of the automobile spoiler electronic equipment is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile accessories, and in particular relates to a wiring harness waterproof structure for an automobile tail wing. Background Art

[0002] At present, the wiring harness waterproof structure of the electronic equipment of the automobile rear wing is mainly to put a thermoplastic sleeve on the wiring harness, then put the thermoplastic sleeve on the lower shell, and then fix the upper shell on the lower shell to lock the wiring harness, and finally the upper shell, the lower shell and the wiring harness are waterproofed by dispensing and sealing. In the above-mentioned wiring harness waterproof structure, although it can achieve a good waterproof effect, the sealant is prone to aging and debonding, resulting in waterproof sealing failure, and when the electronic equipment of the automobile rear wing needs maintenance and inspection, the operator needs to remove the sealant before disassembling the upper shell. Since the glue removal process is cumbersome, the workload of the operator is increased, which seriously affects the maintenance and inspection efficiency of the operator, and each time after the maintenance and inspection is completed, it is necessary to dispense glue at the seal again, resulting in a high maintenance cost of the electronic equipment of the automobile rear wing. Utility Model Content

[0003] Based on the above-mentioned problems existing in the prior art, the purpose of the embodiment of the utility model is to provide a wiring harness waterproof structure for a car rear wing, so as to solve the problems that the sealant of the wiring harness waterproof structure in the prior art is prone to debonding and resulting in sealing failure, and the wiring harness waterproof structure is not convenient for disassembly, assembly and maintenance of the electronic equipment of the car rear wing.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a wiring harness waterproof structure for a car rear wing, comprising:

[0005] The lower shell is provided with a receiving slot for accommodating the electronic equipment of the automobile rear wing;

[0006] An upper shell is used to be matched with the lower shell to close the notch of the receiving slot; the upper shell is provided with a wire outlet;

[0007] An elastic sealing member, used for sealing the wire outlet; and

[0008] A conductive wire harness, used for electrically connecting to the electronic equipment of the automobile rear wing, the conductive wire harness passes through the elastic seal with an interference fit, is introduced into the receiving groove through the wire outlet, and is electrically connected to the electronic equipment of the automobile rear wing located in the receiving groove;

[0009] Wherein, when the upper shell is fixed on the lower shell, the elastic seal is squeezed into the wire outlet in an interference fit, and the lower shell and the elastic seal are in an interference fit.

[0010] Furthermore, the elastic sealing element is a TPV elastomer.

[0011] Furthermore, the elastic sealing component comprises a waterproof sealing structure body and a positioning rubber column for positioning the conductive wire harness, and the waterproof sealing structure body is squeezed into the wire outlet in an interference fit.

[0012] Furthermore, a first wire passing hole is provided on the waterproof sealing structure body along the axial direction of the positioning rubber column, and a second wire passing hole is provided on the positioning rubber column along the axial direction of the positioning rubber column. The second wire passing hole is connected with the first wire passing hole to form a wire passing channel, and the conductive wire bundle passes through the wire passing channel, and the conductive wire bundle and the wire passing channel are interference fit to achieve liquid sealing.

[0013] Furthermore, the side of the waterproof sealing structure body used for interference fit contact with the lower shell is a pressing plane, the side of the waterproof sealing structure body used for interference fit contact with the upper shell is an outwardly convex arc surface, and the shape and size of the wire outlet match the shape and size of the waterproof sealing structure body.

[0014] Furthermore, a sealing rib is protrudingly provided on the pressing plane, and a first sealing groove for cooperating and clamping with the sealing rib is provided on the lower shell.

[0015] Furthermore, the waterproof sealing structure body is provided with a second sealing groove for the upper shell to be clamped.

[0016] Furthermore, the width of the second sealing groove is smaller than the thickness of the upper shell, and the depth of the second sealing groove is smaller than or equal to the width of the second sealing groove, so that when the upper shell is snapped into the second sealing groove, the upper shell and the waterproof sealing structure body fit tightly and without gap.

[0017] Furthermore, the conductive wire harness comprises a conductive wire core for electrically connecting to the electronic equipment of the automobile rear wing and an insulating layer coated on the outer periphery of the conductive wire core.

[0018] Furthermore, a positioning rib for positioning the elastic seal is convexly provided on the lower shell body, and a positioning groove for the positioning rib to be snap-fitted and inserted is provided on the elastic seal.

[0019] Compared with the prior art, the above one or more technical solutions in the embodiments of the present invention have at least one of the following beneficial effects:

[0020] In the wiring harness waterproof structure for automobile tail wing in the embodiment of the utility model, when the upper shell is fixed on the lower shell, due to the strong elasticity of the elastic seal, the lower shell can squeeze the elastic seal into the wire outlet of the upper shell, so that the elastic seal is installed in the wire outlet of the upper shell with interference fit, and at the same time, the lower shell and the elastic seal are interference fit to achieve a tight and gapless fit, and because the lower shell cooperates with the elastic seal squeezed in the wire outlet by the upper shell, it is conducive to enhancing the interference fit of the conductive wire harness and the elastic seal, which can effectively prevent water leakage at the wire outlet of the upper shell, so that the wiring harness waterproof structure can meet the waterproof requirements of IPX7. In addition, when the electronic equipment of the automobile tail wing needs to be repaired and inspected, the operator does not need to perform the glue cleaning step, and can directly disassemble and assemble the upper shell from the lower shell, which reduces the difficulty of maintenance operation, effectively improves the efficiency of maintenance inspection, and reduces the maintenance cost of the electronic equipment of the automobile tail wing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 A schematic diagram of the three-dimensional structure of the wiring harness waterproof structure for the automobile tail wing provided by the utility model;

[0023] Figure 2 An assembly diagram of the elastic seal and the lower housing provided by the utility model;

[0024] Figure 3 A schematic cross-sectional view of a wiring harness waterproof structure for a car rear wing provided by the utility model;

[0025] Figure 4 A schematic cross-sectional view of the elastic sealing member for a rear wing of an automobile provided by the utility model;

[0026] Figure 5 A schematic diagram of the three-dimensional structure of the elastic sealing member provided by the utility model;

[0027] Figure 6 Another three-dimensional structural schematic diagram of the elastic sealing member provided by the utility model;

[0028] Figure 7 The utility model is an exploded view of the wiring harness waterproof structure for the automobile rear wing provided by the utility model.

[0029] Among them, the reference numerals in the figure are:

[0030] 1-lower housing; 11-accommodating groove; 12-first sealing groove; 13-positioning rib; 14-third sealing groove;

[0031] 2-elastic sealing member; 21-waterproof sealing structure body; 211-pressing plane; 212-arc surface; 213-sealing rib; 214-second sealing groove; 22-positioning rubber column; 23-positioning groove;

[0032] 3-conductive harness; 4-electronic equipment;

[0033] 5-wire passage; 51-first wire hole; 52-second wire hole. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] It should be noted that when an element is referred to as "connected to" or "set on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly specified and specifically defined. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected" and "connected" 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 directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0036] Reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, when the phrases "in one embodiment," "in some embodiments," or "in some of these embodiments" appear in various places throughout the specification, not all references are to the same embodiment. Furthermore, in one or more embodiments, the particular features, structures, or characteristics may be combined in any suitable manner.

[0037] Please also read Figures 1 to 7 The wiring harness waterproof structure for automobile tail wing provided by the embodiment of the utility model is now described. The wiring harness waterproof structure for automobile tail wing provided by the embodiment of the utility model comprises a lower shell 1, an upper shell (not shown), an elastic seal 2 and a conductive wire harness 3. The lower shell 1 is provided with a receiving groove 11 for accommodating the electronic device 4 of the automobile tail wing. The upper shell and the lower shell 1 are detachably connected by fasteners such as bolts. When the upper shell is matched with the lower shell 1, the upper shell closes the notch of the receiving groove 11, so that the upper shell and the lower shell 1 constitute a device box with a closed receiving cavity, and the electronic device 4 of the automobile tail wing is accommodated in the receiving cavity of the device box. In order to facilitate the electrical connection between the conductive wire harness 3 and the electronic device 4 of the automobile tail wing in the receiving cavity, the upper shell is provided with an outlet connected to the receiving cavity, and the elastic seal 2 is used to seal the outlet to achieve waterproofing of the wire harness. After the conductive wire harness 3 passes through the elastic seal 2 with an interference fit, it is introduced into the receiving cavity through the outlet on the upper shell and electrically connected to the electronic device 4 of the automobile tail wing located in the receiving cavity. It should be noted that the accommodating cavity refers to the closed cavity formed after the notch of the accommodating groove 11 on the lower shell 1 is closed by the upper shell, and because the elastic seal 2 has strong elasticity, liquid sealing can be achieved after the conductive wire harness 3 passes through the elastic seal 2 with interference fit, which has a good waterproof effect. Specifically, the elastic seal 2 can be but is not limited to a TPV elastomer. When the upper shell is fixed to the lower shell 1, since the elastic seal 2 has strong elasticity, the lower shell 1 can squeeze the elastic seal 2 into the wire outlet of the upper shell, so that the elastic seal 2 is installed in the wire outlet of the upper shell with interference fit, and at the same time, the lower shell 1 and the elastic seal 2 are interference fit to achieve a tight fit without gaps, which has a good sealing and waterproof effect.

[0038] Compared with the prior art, the wiring harness waterproof structure for the automobile tail wing provided by the embodiment of the utility model has the following advantages: when the upper shell is fixed on the lower shell 1, due to the strong elasticity of the elastic seal 2, the lower shell 1 can squeeze the elastic seal 2 into the outlet of the upper shell, so that the elastic seal 2 is installed in the outlet of the upper shell by interference fit, and the lower shell 1 and the elastic seal 2 are interference fit to achieve a tight and gapless fit, and because the lower shell 1 cooperates with the elastic seal 2 in the outlet of the upper shell to squeeze out the elastic seal 2, it is beneficial to enhance the interference fit of the conductive wire harness 3 and the elastic seal 2, which can effectively prevent water leakage at the outlet of the upper shell, so that the wiring harness waterproof structure can meet the waterproof requirements of IPX7. In addition, when the electronic device 4 of the automobile tail wing needs to be repaired and inspected, the operator does not need to perform the glue cleaning step, and can directly disassemble and assemble the upper shell from the lower shell 1, which reduces the difficulty of maintenance operation, effectively improves the efficiency of maintenance inspection, and reduces the maintenance cost of the electronic device 4 of the automobile tail wing.

[0039] Please refer to Figure 1 , Figure 2 and Figure 3 In some embodiments, the elastic seal 2 includes a waterproof seal structure body 21 and a positioning rubber column 22 for positioning the conductive wire harness 3. The waterproof seal structure body 21 and the positioning rubber column 22 are integrally injection molded, and the waterproof seal structure body 21 is squeezed into the outlet with an interference fit. After the conductive wire harness 3 passes through the positioning rubber column 22 with an interference fit, it can not only prevent the conductive wire harness 3 from being entangled with each other, but also enhance the waterproof sealing performance of the elastic seal 2 on the conductive wire harness 3.

[0040] Please refer to Figure 3 , Figure 4 and Figure 5 In some embodiments, a first wire passing hole 51 is provided on the waterproof sealing structure body 21 along the axial direction of the positioning rubber column 22, and a second wire passing hole 52 is provided on the positioning rubber column 22 along the axial direction of the positioning rubber column 22. The second wire passing hole 52 is connected with the first wire passing hole 51 to form a wire passing channel 5, and the conductive wire bundle 3 passes through the wire passing channel 5, and the conductive wire bundle 3 and the wire passing channel 5 are interference fit to achieve liquid sealing.

[0041] Please refer to Figure 3 , Figure 6 and Figure 7In some embodiments, the side of the waterproof sealing structure body 21 used for interference fit contact with the lower shell 1 is a pressing plane 211, and the side of the waterproof sealing structure body 21 used for interference fit contact with the upper shell is a convex arc surface 212. The shape and size of the outlet match the shape and size of the waterproof sealing structure body 21, which is conducive to the lower shell 1 to press the waterproof sealing structure body 21 tightly against the outlet on the upper shell, so that the elastic seal 2 is installed in the outlet of the upper shell with an interference fit.

[0042] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, a sealing rib 213 is protruding from the pressing plane 211, and a first sealing groove 12 for cooperating with the sealing rib 213 is provided on the lower shell 1. After the sealing rib 213 on the pressing plane 211 is snapped into the first sealing groove 12 on the lower shell 1, it can not only improve the waterproof effect, but also effectively prevent the waterproof sealing structure body 21 from loosening or deflecting under the traction and pulling of the conductive harness 3.

[0043] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, a second sealing groove 214 for the upper shell to be clamped is provided on the waterproof sealing structure body 21. When the edge portion of the upper shell corresponding to the outlet position is clamped in the second sealing groove 214, it can not only increase the interference fit contact area between the upper shell and the waterproof sealing structure body 21 to improve the waterproof sealing effect, but also play a positioning role for the waterproof sealing structure body 21 installed in the outlet, thereby effectively preventing the waterproof sealing structure body 21 from loosening or deflecting under the traction and pulling of the conductive wire harness 3.

[0044] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, the width of the second sealing groove 214 is smaller than the thickness of the upper shell, and the depth of the second sealing groove 214 is smaller than or equal to the width of the second sealing groove 214, so that when the edge portion of the upper shell corresponding to the outlet position is snapped into the second sealing groove 214, the upper shell and the waterproof sealing structure body 21 can be more closely matched without gaps, which is conducive to enhancing the waterproof sealing effect.

[0045] In some of the embodiments, the conductive wire harness 3 includes a conductive wire core for electrically connecting to the automobile rear wing electronic device 4 and an insulating layer covering the outer periphery of the conductive wire core.

[0046] Please refer to Figure 3 , Figure 6 and Figure 7In some embodiments, in order to better realize the positioning function of the positioning elastic seal 2, a positioning rib 13 for positioning the elastic seal 2 is convexly provided on the lower shell 1, and a positioning groove 23 for the positioning rib 13 to be clamped and placed is provided on the elastic seal 2. Specifically, the positioning groove 23 is provided on the waterproof sealing structure body 21 of the elastic seal 2. In order to enhance the sealing performance of the connection between the lower shell 1 and the upper shell, a third sealing groove 14 for accommodating and positioning the sealing ring is provided on the lower shell 1, and the third sealing groove 14 is communicated with the first sealing groove 12.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wiring harness waterproof structure for a car rear wing, characterized in that: include: The lower shell is provided with a receiving slot for accommodating the electronic equipment of the automobile rear wing; An upper shell, used to be matched with the lower shell to close the notch of the receiving groove; The upper shell is provided with a wire outlet; An elastic sealing member, used for sealing the wire outlet; and A conductive wire harness, used for electrically connecting to the electronic equipment of the automobile rear wing, the conductive wire harness passes through the elastic seal with an interference fit, is introduced into the receiving groove through the wire outlet, and is electrically connected to the electronic equipment of the automobile rear wing located in the receiving groove; Wherein, when the upper shell is fixed on the lower shell, the elastic seal is squeezed into the wire outlet in an interference fit, and the lower shell and the elastic seal are in an interference fit.

2. The wiring harness waterproof structure for a car rear wing according to claim 1, characterized in that: The elastic sealing element is a TPV elastomer.

3. The wiring harness waterproof structure for a car rear wing according to claim 1, characterized in that: The elastic sealing component comprises a waterproof sealing structure body and a positioning rubber column for positioning the conductive wire harness, and the waterproof sealing structure body is squeezed into the wire outlet in an interference fit.

4. The wiring harness waterproof structure for a car rear wing as claimed in claim 3, characterized in that: A first wire passing hole is provided on the waterproof sealing structure body along the axial direction of the positioning rubber column, and a second wire passing hole is provided on the positioning rubber column along the axial direction of the positioning rubber column. The second wire passing hole is connected with the first wire passing hole to form a wire passing channel. The conductive wire bundle passes through the wire passing channel, and the conductive wire bundle and the wire passing channel are interference fit to achieve liquid sealing.

5. The wiring harness waterproof structure for a car rear wing as claimed in claim 3, characterized in that: The side of the waterproof sealing structure body that is used for interference fit contact with the lower shell is a pressing plane, and the side of the waterproof sealing structure body that is used for interference fit contact with the upper shell is an outwardly convex arc surface, and the shape and size of the wire outlet match the shape and size of the waterproof sealing structure body.

6. The wiring harness waterproof structure for a car rear wing according to claim 5, characterized in that: A sealing rib is convexly provided on the pressing plane, and a first sealing groove for cooperating and clamping with the sealing rib is provided on the lower shell.

7. The wiring harness waterproof structure for a car rear wing as claimed in claim 3, characterized in that: The waterproof sealing structure body is provided with a second sealing groove for the upper shell to be clamped.

8. The wiring harness waterproof structure for a car rear wing according to claim 7, characterized in that: The width of the second sealing groove is smaller than the thickness of the upper shell, and the depth of the second sealing groove is smaller than or equal to the width of the second sealing groove, so that when the upper shell is snapped into the second sealing groove, the upper shell and the waterproof sealing structure body fit tightly and without gap.

9. The wiring harness waterproof structure for a car rear wing according to any one of claims 1 to 8, characterized in that: The conductive wire harness comprises a conductive wire core for electrically connecting to the electronic equipment of the automobile rear wing and an insulating layer coated on the outer periphery of the conductive wire core.

10. The wiring harness waterproof structure for a car rear wing according to any one of claims 1 to 8, characterized in that: A positioning rib for positioning the elastic seal is convexly provided on the lower shell body, and a positioning groove for the positioning rib to be snap-fitted and inserted is provided on the elastic seal.

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