Waterproof wire harness rubber part for automobile door

Abstract

The utility model discloses a waterproof wire harness rubber part of an automobile door, which relates to the technical field of automobile parts, and comprises an automobile body connector and an automobile door connector, a corrugated pipe is arranged between the automobile body connector and the automobile door connector, the automobile body connector is provided with a first sealing groove, the automobile door connector is provided with a second sealing groove, and the first sealing groove and the second sealing groove are communicated with each other. The automobile body connector is provided with a first clamping groove connected with the wire harness sleeve in a clamped mode, and the automobile door connector is provided with a second clamping groove connected with the wire harness sleeve in a clamped mode. Through the arrangement of the first sealing groove and the second sealing groove in the vehicle body connector and the vehicle door connector, water flow is prevented from permeating into the vehicle body connector and the vehicle door connector, so that the water flow is prevented from corroding the wire harness in the rubber part, and the sealing effect is better.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a waterproof wiring harness rubber component for automotive doors. Background Technology

[0002] With the development of science and technology, people have placed higher demands on the functionality, reliability, and comfort of automobiles. To meet these demands, automobile functions have significantly increased, and wiring harness circuits have also become more numerous and complex. Furthermore, there are moving connections between the vehicle body and doors, and the wiring harness, after exiting the body's metal sheet metal, enters the door's metal sheet metal. When the door closes, there is a possibility that the wiring harness may be cut by the sheet metal, potentially leading to vehicle safety issues. Moreover, automobiles operate in complex environments, requiring all-weather use, such as rain and sandstorms. The wiring harness access holes in the body and doors may leak water and be contaminated with dust and impurities, affecting the reliability of in-vehicle equipment and potentially causing the vehicle to malfunction.

[0003] For example, CN202260305U, published on May 30, 2012, discloses a rubber component for fixing wiring harnesses in automotive rear doors. This component includes a corrugated rubber tube, with a connecting tube connected to the left end of the corrugated rubber tube. The connecting tube and the rubber tube are connected to form a single structure, with the opening of the connecting tube facing downwards. Multiple annular protrusions are provided at the openings of both the rubber tube and the connecting tube, and a protruding post is integrally formed on the opening of the rubber tube. The connecting tubes at both ends of the aforementioned rubber component have poor sealing performance after installation. Rainwater and other liquids can enter the vehicle through the interface between the rubber tube and the vehicle body, posing a safety hazard to non-waterproof electrical appliances inside the vehicle and causing corrosion of the wiring harness terminals, affecting normal function. Summary of the Invention

[0004] The purpose of this invention is to provide a waterproof rubber component for automotive door wiring harnesses with better sealing performance. This invention prevents water from seeping into the body connector and door connector by setting a first sealing groove on the body connector and a second sealing groove on the door connector, thereby preventing water from corroding the wiring harness in the rubber component and achieving a better sealing effect.

[0005] To achieve the above objectives, the technical solution adopted by this utility model to solve its technical problem is: a waterproof rubber component for automotive door wiring harness, including a body connector and a door connector, a corrugated tube provided between the body connector and the door connector, a first sealing groove provided on the body connector, a second sealing groove provided on the door connector, a first locking groove provided on the body connector for engaging with the wiring harness sleeve, and a second locking groove provided on the door connector for engaging with the wiring harness sleeve.

[0006] As a further improvement of this utility model, both the body connector and the door connector are provided with assembly markings.

[0007] As a further improvement of this utility model, the vehicle body connector is provided with a wire harness guide channel, which is connected to a corrugated pipe.

[0008] As a further embodiment of this utility model, the outer contour of the vehicle body connector is square, the outer contour of the door connector is elliptical, and the cross-section of the corrugated pipe is circular.

[0009] As a further embodiment of this utility model, the central axis of the vehicle body connector and the central axis of the corrugated pipe are arranged perpendicular to each other, and the central axis of the corrugated pipe and the central axis of the door connector coincide with each other.

[0010] As a further embodiment of this utility model, the first card slot and the second card slot have V-shaped cross-sections, and the openings of the first card slot and the second card slot face outwards.

[0011] As a further embodiment of this utility model, the vehicle body connector is provided with a first inclined surface for first slot connection, and the door connector has a second inclined surface on its outer wall.

[0012] As a further improvement of this utility model, the vehicle body connector, the door connector, and the corrugated pipe are integrally formed.

[0013] The beneficial effects of this utility model are:

[0014] The first and second sealing grooves on the body connector and door connector prevent water from seeping into them, thus preventing water from corroding the wiring harness in the rubber parts and achieving a better sealing effect.

[0015] Both the body connector and the door connector are equipped with assembly markings, which guide the wiring harness to the correct positions on the body connector and door connector. When the wiring harness is inserted into the guide channel, it is easy for the harness to bend, thus facilitating the installation of the wiring harness rubber parts. The body connector has a first bevel for easy insertion into the first slot, and the door connector has a second bevel on its outer wall, which facilitates the insertion of the door connector into the sheet metal hole on the door for connection. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the waterproof wiring harness rubber component for automotive doors according to this utility model.

[0017] Figure 2 for Figure 1 A sectional view.

[0018] Figure 3 for Figure 1 Side view.

[0019] Figure 4 for Figure 1 A partial structural diagram.

[0020] In the attached diagram: 1-Body connector, 101-Wire harness guide channel, 2-Door connector, 3-Corrugated pipe, 4-First sealing groove, 5-Second sealing groove, 6-First slot, 7-Second slot, 8-Assembly mark, 9-First slope, 10-Second slope. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0023] like Figure 1-4 As shown, the waterproof wiring harness rubber component for automotive doors includes a body connector 1 and a door connector 2. A corrugated tube 3 is provided between the body connector 1 and the door connector 2. The body connector 1 has a first sealing groove 4. The body has a sheet metal hole that mates with the body connector 1. The door connector 2 has a second sealing groove 5. The door has a sheet metal hole that mates with the door connector 2. The body connector 1 has a first slot 6 that engages with the wiring harness sleeve. The door connector 2 has a second slot 7 that engages with the wiring harness sleeve. The first slot 6 and the second slot 7 are respectively connected to the wiring harness sleeve. The wiring harness sleeve, the body connector 1, and the door connector 2 are installed on the automotive body.

[0024] In use, the body connector 1 is connected to the wiring harness sleeve through the first slot 6, and the door connector 2 is connected to the wiring harness through the second slot 7. The wiring harness is then passed through the body connector 1, the corrugated tube 3, the door connector 2, and the wiring harness sleeve. At this point, the body connector 1 is interference-fitted with the sheet metal hole on the body, and the door connector 2 is interference-fitted with the sheet metal hole on the door, thus enabling the installation of the rubber parts on the automobile. Furthermore, the first sealing groove 4 and the second sealing groove 5 prevent water from seeping into the body connector 1 and the door connector 2, thereby preventing water from corroding the wiring harness in the rubber parts and providing a better sealing effect.

[0025] Specifically, refer to Figure 1 Both the body connector 1 and the door connector 2 are provided with assembly markings 8. The assembly markings 8 indicate the assembly of the wiring harness in the body connector 1 and the door connector 2, which facilitates the installation of rubber parts. Specifically, the two assembly markings 8 face outwards from the body connector 1 and the door connector 2 respectively. In this embodiment, the assembly markings 8 are integrally formed with the body connector 1 and the door connector 2.

[0026] Reference Figure 2 The body connector 1 is provided with a wire harness guide channel 101, which is connected to the corrugated pipe 3. When the wire harness is inserted into the wire harness guide channel 101, it is easy for the wire harness to bend, thereby facilitating the installation of the wire harness rubber parts. Specifically, one side of the wire harness guide channel 101 is provided with a slope.

[0027] Specifically, refer to Figure 1 The outer contour of the body connector 1 is square, and the wire harness sleeve connected to the body connector 1 is square, thereby achieving a stable connection between the body connector 1 and the wire harness sleeve. The outer contour of the door connector 2 is elliptical, and the wire harness sleeve connected to the door connector 2 is square, thereby achieving a stable connection between the door connector 2 and the wire harness sleeve. The corrugated pipe 3 has a circular cross-section.

[0028] Specifically, in the initial state, the central axis of the body connector 1 and the central axis of the bellows 3 are set perpendicular to each other, and the central axis of the bellows 3 and the central axis of the door connector 2 coincide with each other, thereby realizing convenient processing of the body connector 1, the door connector 2 and the bellows 3.

[0029] Reference Figure 2 The first slot 4 and the second slot 5 have a V-shaped cross-section and their openings face outwards, thereby achieving a stable connection between the first slot 4, the second slot 5 and the sheet metal holes of the car, and achieving the sealing work of the body connector 1 and the door connector 2.

[0030] Reference Figure 2 The body connector 1 is provided with a first slot 6 and a first inclined surface 9 for easy insertion of the wire harness sleeve into the first slot 6. The outer wall of the door connector 2 has a second inclined surface 10, and the second inclined surface 10 facilitates the insertion of the door connector 2 into the sheet metal hole on the door for connection.

[0031] The distance between the end face of the body connector 1 and the central axis of the bellows 3 is H. H is greater than 10mm and less than 30mm. In this embodiment, the distance H is 15mm. Compared with existing rubber parts, the structure is more compact.

[0032] The body connector 1, door connector 2, and corrugated pipe 3 are integrally formed, thereby increasing the stability of the device. In this embodiment, the rubber parts are made of EPDM material, which is more economical.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waterproofing rubber member for a wire harness of a vehicle door, comprising a vehicle body connecting head (1) and a door connecting head (2), a bellows (3) being provided between the vehicle body connecting head (1) and the door connecting head (2), characterized in that, The car body connector (1) is provided with a first sealing groove (4), the car door connector (2) is provided with a second sealing groove (5), the car body connector (1) is provided with a first clamping groove (6) clamped with a wire harness sleeve, and the car door connector (2) is provided with a second clamping groove (7) clamped with a wire harness sleeve.

2. The automotive door weatherstrip rubber of claim 1, wherein The car body connector (1) and the car door connector (2) are provided with assembly marks (8).

3. The automotive door weatherstrip rubber of claim 2, wherein The car body connector (1) is provided with a wire harness guide channel (101), and the wire harness guide channel (101) is communicated with the corrugated pipe (3).

4. A motor vehicle door weatherstrip rubber member according to any one of claims 1 to 3, characterized in that, The car body connector (1) is square in outer contour, the car door connector (2) is oval in outer contour, and the corrugated pipe (3) is circular in cross section.

5. The automotive door weatherstrip rubber of claim 4, wherein The central axis of the car body connector (1) and the central axis of the corrugated pipe (3) are arranged perpendicularly to each other, and the central axis of the corrugated pipe (3) and the central axis of the car door connector (2) coincide with each other.

6. The automotive door weatherstrip rubber of claim 5, wherein The first clamping groove (4) and the second clamping groove (5) are V-shaped in cross section, and the openings of the first clamping groove (4) and the second clamping groove (5) face outward.

7. The automotive door weatherstrip rubber of claim 6, wherein The car body connector (1) is provided with a first inclined surface (9) connected with the first clamping groove (6), and the outer wall of the car door connector (2) is provided with a second inclined surface (10).

8. The automotive door weatherstrip rubber of claim 7, wherein The car body connector (1), the car door connector (2) and the corrugated pipe (3) are integrally formed.

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