Automobile tail door control switch with wire harness elbow protection structure

By designing a combination structure of a limit plate and a protective sleeve in the tailgate control switch of the car, the problem of easy damage to the wiring harness is solved, and the wiring harness is effectively protected, preventing shaking and wear, extending service life and improving installation efficiency.

CN224458763UActive Publication Date: 2026-07-03SHANGHAI PAISHUO ELECTRONIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI PAISHUO ELECTRONIC TECH CO LTD
Filing Date
2025-08-08
Publication Date
2026-07-03

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Abstract

The utility model relates to the technical field of automobile tail door wire harness and discloses an automobile tail door control switch with wire harness elbow protection structure, which comprises a key rubber sleeve, a shell, a switch upper cover and a circuit board, the shell is fixedly installed with a sealing gasket at one end close to the switch upper cover, the switch upper cover is provided with a protection assembly at one end away from the shell, the circuit board is provided with a connection branch wire at one end away from the shell, and the connection branch wire is provided with a connection main wire harness at one end away from the circuit board. The automobile tail door control switch with the wire harness elbow protection structure is convenient for locking protective sleeve one and protective sleeve two through the cooperation of the limiting groove and the clamping block when the plug sleeve is inserted into the bottom sleeve, and the clamping block is elastically clamped into the limiting groove. Furthermore, the connection main wire harness can be protected through the cooperation of protective sleeve one and protective sleeve two, so that displacement of the connection main wire harness can be avoided, wear of the connection main wire harness can be prevented, and normal use of the electronic tail door switch is affected.
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Description

Technical Field

[0001] This utility model relates to the field of automotive tailgate wiring harness technology, specifically to an automotive tailgate control switch with a wiring harness bend protection structure. Background Technology

[0002] As people's demand for cars increases and their requirements for car configurations become higher, the tailgate is an indispensable part of a car. To achieve a fast and convenient unlocking function, the tailgate must have an electronic control switch, which is connected to the vehicle's electrical system through a connector. Triggering the switch enables fast unlocking. In the tailgate control switch, wiring harnesses are often required for connection, and there are often bends and twists. To avoid easy damage, the bends in the wiring harness are often protected.

[0003] Chinese Utility Model Patent Publication No. CN218265483U discloses a car tailgate control device and a car. The specification of this car tailgate control device and car reveals that a mounting bracket can be fixedly installed on the body of different car models, allowing the intelligent switch component to be adapted to different car models. Therefore, when installing the car tailgate control device to match different car models, there is no need for customized design of the entire car tailgate control device, improving its adaptability. The mounting bracket has a large connection area with the car body, reducing stress concentration at the connection point and lowering the probability of shrinkage marks on the car body. However, this car tailgate control device and car lack a protective structure for the connecting wiring harness, which can easily lead to displacement and damage of the wiring harness when connecting to the car tailgate, thus affecting the normal use of the car tailgate. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a car tailgate control switch with a wire harness bend protection structure. It can effectively solve the problem in the prior art that the lack of a protection structure for the connecting wire harness can easily lead to displacement and damage of the connecting wire harness when connecting to the car tailgate, thereby affecting the normal use of the car tailgate.

[0005] The technical solution adopted by this utility model is: a car tailgate control switch with a wire harness bend protection structure, including a button sleeve, a housing, a switch cover and a circuit board. A sealing gasket is fixedly installed at one end of the housing near the switch cover. A protective component is provided at one end of the switch cover away from the housing. A connecting branch line is provided at one end of the circuit board away from the housing. A connecting main wire harness is provided at one end of the connecting branch line away from the circuit board. A connector is provided at one end of the connecting main wire harness away from the circuit board.

[0006] The protective component includes a base sleeve and a plug sleeve, which are plug-in installed. A mounting base is fixedly installed on the outer edge of the base sleeve. A connecting knob is threaded through the mounting base from top to bottom. A protective sleeve one is fixedly installed on the end of the base sleeve away from the connecting knob. A cable routing groove is opened on the end of the plug sleeve away from the protective sleeve one. A protective sleeve two is fixedly installed on the end of the plug sleeve away from the protective sleeve one. The protective sleeve one and the protective sleeve two are in contact with the main wiring harness.

[0007] Preferably, a limiting component is sleeved on the outer edge of the connecting main harness. The limiting component includes a limiting disk, and a protective sleeve is fixedly installed on the limiting disk near the center. The protective sleeve is in contact with the connecting main harness.

[0008] The above technical solution uses a limiting plate to wrap the main wiring harness with a protective sleeve, which can limit the movement of the wiring harness inside the switch and prevent friction between the wiring harness and the housing caused by vehicle vibration. The protective sleeve can also move on the main wiring harness to protect any section of the main wiring harness.

[0009] Preferably, an extension sleeve is fixedly installed at the outer edge, the extension sleeve has the same cross-section as the limiting plate, and the thickness of the extension sleeve is greater than the thickness of the limiting plate.

[0010] Through the above technical solution, the design of the extension sleeve and the limiting plate, due to their identical cross-section and greater thickness, can extend the protection range of the main wire harness. The thicker extension sleeve can resist greater bending stress and prevent the internal wires of the wire harness from breaking due to long-term bending at the bend. Combined with the limiting plate, its protection effect can be further improved.

[0011] Preferably, a slot is provided at the inner edge of the bottom sleeve, and a plug is fixedly installed at one end of the sleeve near the slot, wherein the plug and the slot are plugged into each other.

[0012] Through the above technical solution, the cooperation between the plug and the slot enables the quick alignment of the bottom sleeve and the plug sleeve when connecting the protective components, which facilitates the alignment of the first protective sleeve and the second protective sleeve and avoids displacement during subsequent positioning.

[0013] Preferably, a limiting groove is provided at the inner edge of the bottom sleeve, a spring piece is fixedly installed at one end of the insert sleeve near the connecting knob, and a locking block is fixedly installed at one end of the spring piece near the bottom sleeve, and the limiting groove is adapted to the locking block.

[0014] Through the above technical solution, by cooperating with the limiting groove and the locking block, when the insert sleeve is inserted into the bottom sleeve, the spring piece drives the locking block to elastically lock into the limiting groove, which can easily lock the first protective sleeve and the second protective sleeve. At the same time, the fixing can be completed without additional tools, thus improving the installation efficiency.

[0015] Preferably, there are two identical limiting grooves, spring pieces, and locking blocks, and the two limiting grooves, spring pieces, and locking blocks are symmetrically distributed about the center line of the bottom sleeve.

[0016] The above technical solution uses two sets of symmetrically distributed limiting grooves, springs, and locking blocks to balance the connection force between the bottom sleeve and the insert sleeve, avoiding tilting caused by unilateral force, thus improving its service life and avoiding damage caused by a single limiting structure.

[0017] Preferably, the connecting knob passes through the mounting base and extends to the inner edge of the switch cover.

[0018] The above technical solution connects the knob through the mounting base and locks it to the top cover of the switch, which can firmly fix the protection component to the switch body, prevent the protection component from shaking with the wiring harness, and improve its stability.

[0019] Compared with the prior art, this utility model provides a car tailgate control switch with a wiring harness bend protection structure, which has the following advantages:

[0020] 1. The car tailgate control switch with a wire harness bend protection structure uses a limit plate to wrap the main wire harness with a protective sleeve, which can limit the movement of the wire harness inside the switch and prevent the wire harness from rubbing against the housing due to vibrations during vehicle operation. The protective sleeve can also move on the main wire harness to protect any section of the main wire harness.

[0021] 2. This car tailgate control switch with a wiring harness bend protection structure, through the cooperation of the limiting groove and the locking block, when the insert sleeve is inserted into the bottom sleeve, the spring piece drives the locking block to elastically lock into the limiting groove, which can easily lock the first protective sleeve and the second protective sleeve. In addition, the first protective sleeve and the second protective sleeve can protect the main wiring harness and prevent the main wiring harness from being displaced, which would cause it to wear and affect the normal use of the electronic tailgate switch. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0024] Figure 3 This is a schematic diagram showing the disassembled structure of the button housing and sealing gasket of this utility model;

[0025] Figure 4 This is a schematic diagram of the installation structure of the main wiring harness and the limiting component of this utility model;

[0026] Figure 5 This is a three-dimensional structural diagram of the button housing and the casing of this utility model;

[0027] Figure 6 This is a schematic diagram of the disassembled structure of the protective component of this utility model. Figure 1 ;

[0028] Figure 7 This is a schematic diagram of the disassembled structure of the protective component of this utility model. Figure 2 .

[0029] The components include: 1. Button housing; 2. Housing; 3. Switch cover; 4. Circuit board; 5. Sealing gasket; 6. Connecting branch wire; 7. Protective components; 701. Base sleeve; 702. Slot; 703. Limiting groove; 704. Mounting base; 705. Connecting knob; 706. Protective sleeve one; 707. Insert sleeve; 708. Wiring groove; 709. Insert block; 710. Spring; 711. Locking block; 712. Protective sleeve two; 8. Connecting main wiring harness; 9. Limiting components; 901. Limiting plate; 902. Protective sleeve; 903. Extension sleeve; 10. Connector. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1: As Figure 1-7 As shown, the present invention provides a car tailgate control switch with a wire harness bend protection structure, including a button sleeve 1, a housing 2, a switch cover 3, and a circuit board 4. A sealing gasket 5 is fixedly installed at one end of the housing 2 near the switch cover 3. A protective component 7 is provided at one end of the switch cover 3 away from the housing 2. A connecting branch line 6 is provided at one end of the circuit board 4 away from the housing 2. A connecting main wire harness 8 is provided at one end of the connecting branch line 6 away from the circuit board 4. A connector 10 is provided at one end of the connecting main wire harness 8 away from the circuit board 4.

[0032] The protective component 7 includes a base sleeve 701 and a plug sleeve 707. The base sleeve 701 and the plug sleeve 707 are plug-in installed. A mounting base 704 is fixedly installed on the outer edge of the base sleeve 701. A connecting knob 705 is threaded through the mounting base 704 from top to bottom. A protective sleeve 1 706 is fixedly installed on the end of the base sleeve 701 away from the connecting knob 705. A cable routing groove 708 is opened on the end of the plug sleeve 707 away from the protective sleeve 1 706. A protective sleeve 2 712 is fixedly installed on the end of the plug sleeve 707 away from the protective sleeve 1 706. The protective sleeve 1 706 and the protective sleeve 2 712 are in contact with the main wiring harness 8.

[0033] Specifically, a limiting component 9 is sleeved on the outer edge of the main wiring harness 8. The limiting component 9 includes a limiting plate 901. A protective sleeve 902 is fixedly installed near the center of the limiting plate 901. The protective sleeve 902 is in contact with the main wiring harness 8. The advantage is that by wrapping the main wiring harness 8 with the limiting plate 901 and the protective sleeve 902, the shaking of the wiring harness inside the switch can be limited, avoiding friction between the wiring harness and the housing 2 caused by vibration of the vehicle. Furthermore, the protective sleeve 902 can move on the main wiring harness 8, thus protecting any section of the main wiring harness 8.

[0034] Specifically, an extension sleeve 903 is fixedly installed at the outer edge. The extension sleeve 903 has the same cross-section as the limiting plate 901, but the extension sleeve 903 is thicker than the limiting plate 901. The advantage is that, through the design of the extension sleeve 903 and the limiting plate 901, because their cross-sections are the same and their thickness is greater, the protection range for the main wire harness 8 can be extended. The thicker extension sleeve 903 can resist greater bending stress and prevent the internal wires of the wire harness from breaking due to long-term bending at the bend. In conjunction with the limiting plate 901, its protection effect can be further improved.

[0035] Specifically, a slot 702 is provided on the inner edge of the bottom sleeve 701, and a plug 709 is fixedly installed on one end of the insert sleeve 707 near the slot 702. The plug 709 and the slot 702 are plugged in. The advantage is that, through the cooperation between the plug 709 and the slot 702, the bottom sleeve 701 and the insert sleeve 707 can be quickly aligned when connecting the protective component 7, which can facilitate the alignment of the first protective sleeve 706 and the second protective sleeve 712, and can avoid displacement during subsequent positioning.

[0036] Example 2: Figure 2-7 As shown, this is an improvement on the previous embodiment.

[0037] Specifically, a limiting groove 703 is provided on the inner edge of the base sleeve 701. A spring piece 710 is fixedly installed at one end of the insert sleeve 707 near the connecting knob 705. A locking block 711 is fixedly installed at one end of the spring piece 710 near the base sleeve 701. The limiting groove 703 and the locking block 711 are compatible. The advantage is that, through the cooperation of the limiting groove 703 and the locking block 711, when the insert sleeve 707 is inserted into the base sleeve 701, the spring piece 710 drives the locking block 711 to elastically engage with the limiting groove 703, which can easily lock the first protective sleeve 706 and the second protective sleeve 712. At the same time, the fixing can be completed without additional tools, improving the installation efficiency.

[0038] Specifically, there are two identical limiting grooves 703, spring pieces 710, and locking blocks 711. The two limiting grooves 703, spring pieces 710, and locking blocks 711 are symmetrically distributed about the center line of the bottom sleeve 701. The advantage is that the connection force between the bottom sleeve 701 and the insert sleeve 707 can be balanced by the two sets of symmetrically distributed limiting grooves 703, spring pieces 710, and locking blocks 711, avoiding tilting caused by unilateral force, which can improve its service life and avoid damage caused by a single limiting structure.

[0039] Specifically, the connecting knob 705 passes through the mounting base 704 and extends to the inner edge of the switch cover 3. The advantage is that by passing through the mounting base 704 and locking it to the switch cover 3, the connecting knob 705 can firmly fix the protection component 7 to the switch body, preventing the protection component 7 from shaking with the wiring harness and improving its stability.

[0040] Working Principle: During use, the limiting plate 901, through the protective sleeve 902, wraps around the main wiring harness 8, limiting the harness's movement inside the switch and preventing friction between the harness and the housing 2 caused by vehicle vibration. The protective sleeve 902 can also move along the main wiring harness 8, protecting any section of the harness. The extension sleeve 903, designed with the limiting plate 901 and having the same cross-section but greater thickness, extends the protection range of the main wiring harness 8. The thicker extension sleeve 903 can resist greater bending stress, preventing internal wire breakage at bends due to prolonged bending. Combined with the limiting plate 901, this further enhances the protective effect. Through the cooperation between the insert 709 and the slot 702, quick alignment of the bottom sleeve 701 and the insert 707 is achieved when connecting the protective component 7, facilitating the connection of the protective sleeve 7. Aligning 706 with the second protective sleeve 712 prevents displacement during subsequent positioning. Through the cooperation of the limiting groove 703 and the locking block 711, when the insert 707 is inserted into the bottom sleeve 701, the spring piece 710 drives the locking block 711 to elastically engage with the limiting groove 703, which facilitates locking the first protective sleeve 706 and the second protective sleeve 712. At the same time, it can be fixed without additional tools, improving its installation efficiency. The two sets of symmetrically distributed limiting grooves 703, spring pieces 710 and locking blocks 711 can balance the connection force between the bottom sleeve 701 and the insert 707, avoiding tilting caused by unilateral force, which can improve its service life and avoid damage caused by a single limiting structure. The connecting knob 705 passes through the mounting base 704 and locks to the switch cover 3, which can firmly fix the protective component 7 to the switch body, preventing the protective component 7 from shaking with the wiring harness and improving its stability.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A car tailgate control switch with a wire harness bend protection structure, comprising a button sleeve (1), a housing (2), a switch cover (3), and a circuit board (4), wherein a sealing gasket (5) is fixedly installed on one end of the housing (2) near the switch cover (3), characterized in that: The switch cover (3) is provided with a protective component (7) at the end away from the housing (2), the circuit board (4) is provided with a connecting branch line (6) at the end away from the housing (2), the connecting branch line (6) is provided with a connecting main harness (8) at the end away from the circuit board (4), and the connecting main harness (8) is provided with a connector (10) at the end away from the circuit board (4). The protective component (7) includes a base sleeve (701) and a plug sleeve (707). The base sleeve (701) and the plug sleeve (707) are plug-in installed. A mounting base (704) is fixedly installed on the outer edge of the base sleeve (701). A connecting knob (705) is threaded through the mounting base (704) from top to bottom. A protective sleeve one (706) is fixedly installed at the end of the base sleeve (701) away from the connecting knob (705). A cable routing groove (708) is opened at the end of the plug sleeve (707) away from the protective sleeve one (706). A protective sleeve two (712) is fixedly installed at the end of the plug sleeve (707) away from the protective sleeve one (706). The protective sleeve one (706) and the protective sleeve two (712) are in contact with the main wiring harness (8).

2. The automobile tailgate control switch with wiring harness elbow protection structure according to claim 1, characterized in that: A limiting component (9) is sleeved on the outer edge of the main connecting harness (8). The limiting component (9) includes a limiting disk (901). A protective sleeve (902) is fixedly installed on the limiting disk (901) near the center. The protective sleeve (902) is in contact with the main connecting harness (8).

3. The automobile tailgate control switch with wiring harness elbow protection structure according to claim 2, characterized in that: An extension sleeve (903) is fixedly installed at the outer edge. The extension sleeve (903) has the same cross-section as the limiting plate (901), and the thickness of the extension sleeve (903) is greater than the thickness of the limiting plate (901).

4. The automobile tailgate control switch with wiring harness elbow protection structure according to claim 1, characterized in that: A slot (702) is provided at the inner edge of the bottom sleeve (701), and a plug (709) is fixedly installed at one end of the sleeve (707) near the slot (702). The plug (709) and the slot (702) are plugged in.

5. A car tailgate control switch with a wire harness bend protection structure according to claim 1, characterized in that: A limiting groove (703) is provided on the inner edge of the bottom sleeve (701). A spring piece (710) is fixedly installed on one end of the insert (707) near the connecting knob (705). A locking block (711) is fixedly installed on one end of the spring piece (710) near the bottom sleeve (701). The limiting groove (703) and the locking block (711) are compatible.

6. The control switch for a tailgate of a vehicle with wiring harness elbow protection structure according to claim 5, characterized in that: The limiting groove (703), spring piece (710) and locking block (711) are provided in two identical forms, and the two limiting grooves (703), spring pieces (710) and locking blocks (711) are symmetrically distributed about the center line of the bottom sleeve (701).

7. The automobile tailgate control switch with wiring harness elbow protection structure according to claim 1, characterized in that: The connection knob (705) passes through the mounting base (704) and extends to the inner edge of the switch cover (3).