Wire harness connecting structure of automobile seat headrest

Abstract

The utility model provides a wire harness connecting structure of an automobile seat headrest, which is characterized in that a headrest wire harness is arranged in a headrest rod in a penetrating manner, a first connector is fixed in a pipe orifice of the headrest rod and is connected with the headrest wire harness, the headrest wire harness penetrates out from the upper end of the headrest rod and is connected with a third connector, and a connecting assembly is fixed below a guide sleeve and is connected with the third connector. A sliding groove which vertically extends and is communicated with the guide sleeve is formed in the connecting assembly, the second connector is arranged in the sliding groove in a sliding mode, a tension spring is upwards arranged at the top end of the second connector, the tension spring is fixed to the connecting assembly, an upper dead center and a lower dead center which are used for limiting the sliding stroke of the second connector are arranged on the sliding groove, and the bottom end of the second connector is connected with a seat wire harness. The seat wire harness penetrates out of the bottom of the connecting assembly and is connected with the fourth connector, and when the headrest rod penetrates through the guide sleeve and is inserted into the second connector, the first connector can be in contact connection with the second connector. According to the utility model, the problems that the existing plug-in headrest is inconvenient to disassemble and assemble due to the influence of the wire harness and the height is difficult to adjust can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a wiring harness connection structure of an automobile seat headrest. Background Art

[0002] With the continuous advancement of technology, in order to improve the riding experience in the automotive industry, most seat headrests have added electrical functions, that is, the headrests are integrated with functions such as music headrests, headrest heating, and headrest ventilation. However, the front seats need to remove the headrests to achieve complete flatness when leveling the backrests. At present, the power supply for the electrical appliances inside the headrests usually comes from the seat power supply. The headrest wiring harness and the seat power harness are connected with a clip-on structure. Each time the headrest is plugged in or out, the wiring harness plug needs to be manually disconnected or plugged in, which causes passengers to often forget to connect the headrest wiring harness. Moreover, due to the constraints of the headrest wiring harness, this plug-in headrest is difficult to adjust the height. Utility Model Content

[0003] In view of the problems existing in the above-mentioned prior art, the utility model aims to provide a wiring harness connection structure for a car seat headrest, so as to solve the problems that the existing plug-in headrest is inconvenient to disassemble and assemble due to the influence of the wiring harness and is difficult to adjust the height.

[0004] The utility model proposes a wiring harness connection structure for a car seat headrest, comprising a headrest body and a backrest frame, wherein the headrest body comprises a headrest rod, the backrest frame is provided with a guide sleeve for inserting the headrest rod, the interior of the headrest rod is penetrated with a headrest wiring harness, and the headrest rod is provided with a card slot structure for adjusting the height; the utility model also comprises a first connector, a second connector and a connecting component, wherein the first connector is fixed in a pipe opening of the headrest rod and is connected to the headrest wiring harness inside the headrest rod, the connecting component is fixed below the guide sleeve, a slide groove extending vertically and communicating with the guide sleeve is provided on the connecting component, and the second connector The sliding member is arranged in a slide groove, and a tension spring is arranged upward at the top end thereof, and the tension spring is fixed on the connecting component, and an upper stop point and a lower stop point for limiting the sliding stroke of the second connector are arranged on the slide groove, and a seat wiring harness is connected to the bottom end of the second connector, and the first connector and the second connector correspond in position, and when the headrest rod passes through the guide sleeve and is inserted into the interior of the second connector, the first connector can form a detachable contact connection with the second connector, and when the headrest rod is adjusted in height between the upper stop point and the lower stop point, under the action of the tension spring elastic force and the thrust of the headrest rod, the first connector can always remain connected with the second connector.

[0005] In the above scheme: it also includes a third connector and a fourth connector, the headrest wiring harness passes through the upper end of the headrest rod and is connected to the third connector, the third connector is used to connect to the electrical equipment inside the headrest body, the seat wiring harness passes through the bottom of the connecting component and is connected to the fourth connector, the fourth connector is used to connect to the seat bus, so as to facilitate the supply of power to the electrical equipment inside the headrest through the seat power supply.

[0006] In the above solution: the second connector is horizontally limited in the slide slot to prevent it from falling out.

[0007] In the above scheme: the second connector is provided with a power connection groove for inserting the headrest rod pipe mouth, so as to facilitate the contact and connection between the first connector and the second connector, thereby realizing the conduction between the seat wiring harness and the headrest wiring harness.

[0008] In the above scheme: a clamping hole is opened on the tube wall of the headrest rod, and a buckle is set on the outer edge of the first connector. The first connector is fixed in the tube opening of the headrest rod through the cooperation of the buckle and the clamping hole, which has a simple structure and is easy to install.

[0009] In the above scheme: one end of the tension spring is fixed to the top rear end of the second connector, and the other end is fixed to the rear wall of the connecting component. When the headrest rod is inserted into the second connector, the tension spring is located in the gap between the headrest rod and the connecting component. The tension spring and the second connector are staggered to prevent the tension spring from interfering with the sliding of the second connector.

[0010] In the above scheme: there are two tension springs, which are arranged at intervals on the left and right to ensure sufficient elastic force.

[0011] The beneficial effects of the utility model are:

[0012] 1. The first connector is fixed on the headrest rod and linked with the headrest rod. When the headrest rod is pulled out from the backrest, the first connector and the second connector are automatically disconnected. When the headrest rod is inserted into the backrest, the first connector and the second connector are automatically connected, so that the disassembly and assembly of the headrest body is not affected by the headrest wiring harness, and the disassembly and assembly are quick and convenient; 2. The headrest rod can be height-adjusted between the upper dead point and the lower dead point. Under the action of the tension spring elastic force and the thrust of the headrest rod, the first connector can always remain connected with the second connector, that is, the height adjustment of the headrest body is not affected by the headrest wiring harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an exploded schematic diagram of the utility model.

[0014] Figure 2 This is the installation diagram of the headrest rod.

[0015] Figure 3 This is the installation diagram of the connection components.

[0016] Figure 4 yes Figure 3 Schematic diagram from another angle.

[0017] Figure 5 This is the installation diagram of the second connector.

[0018] Figure 6 This is a schematic diagram when the headrest body is adjusted to the highest position.

[0019] Figure 7 This is a schematic diagram when the headrest body is adjusted to the lowest position. DETAILED DESCRIPTION

[0020] like Figure 1 As shown in FIG. 7 , a wiring harness connection structure of a car seat headrest is mainly composed of a headrest body, a backrest frame, a first connector 4, a second connector 5, a third connector 6, a fourth connector 7 and a connection assembly 8. The headrest body includes a headrest rod 1, a guide sleeve 2 for inserting the headrest rod 1 is provided on the backrest frame, a headrest wiring harness 3 is passed through the interior of the headrest rod 1, and a slot structure for adjusting the height is provided on the headrest rod 1.

[0021] The first connector 4 is fixed in the pipe opening of the headrest rod 1 and is connected to the headrest wiring harness 3 inside the headrest rod 1. The headrest wiring harness 3 passes through the upper end of the headrest rod 1 and is connected to the third connector 6. The third connector 6 is used to connect to the electrical equipment inside the headrest body.

[0022] The connecting assembly 8 is fixed below the guide sleeve 2. The connecting assembly 8 is provided with a slide groove 9 extending vertically and communicating with the guide sleeve 2. The second connector 5 is slidably arranged in the slide groove 9, and a tension spring 10 is arranged upward at its top. The tension spring 10 is fixed to the connecting assembly 8. The slide groove 9 is provided with an upper stop point and a lower stop point for limiting the sliding travel of the second connector 5. The bottom end of the second connector 5 is connected to a seat harness 11, which passes through the bottom of the connecting assembly 8 and is connected to the fourth connector 7. The fourth connector 7 is used to connect to the seat bus.

[0023] The first connector 4 and the second connector 5 correspond in position. When the headrest rod 1 passes through the guide sleeve 2 and is inserted into the second connector 5, the first connector 4 can form a detachable contact connection with the second connector 5, and when the headrest rod 1 is adjusted in height between the upper dead point and the lower dead point, under the action of the elastic force of the tension spring 10 and the thrust of the headrest rod 1, the first connector 4 can always remain connected with the second connector 5.

[0024] Preferably, the second connector 5 is horizontally restrained in the slide groove 9 to prevent it from falling out.

[0025] Preferably, the second connector 5 is provided with a power connection groove for inserting the pipe opening of the headrest rod 1 to facilitate contact and connection between the first connector 4 and the second connector 5 to achieve conduction between the seat wiring harness 11 and the headrest wiring harness 3.

[0026] Preferably, a clamping hole is provided on the tube wall of the headrest rod 1, and an undercut is provided on the outer edge of the first connector 4. The first connector 4 is fixed in the tube opening of the headrest rod 1 through the cooperation between the undercut and the clamping hole, which has a simple structure and is easy to install.

[0027] Preferably, one end of the tension spring 10 is fixed to the top rear end of the second connector 5, and the other end is fixed to the rear wall of the connecting component 8. When the headrest rod 1 is inserted into the second connector 5, the tension spring 10 is located in the gap between the headrest rod 1 and the connecting component 8. The tension spring 10 and the second connector 5 are staggered to prevent the tension spring 10 from interfering with the sliding of the second connector 5.

[0028] Preferably, there are two tension springs 10, and the two tension springs 10 are arranged at intervals on the left and right sides to ensure sufficient elastic force.

Claims

1. A wiring harness connection structure for a car seat headrest, comprising a headrest body and a backrest frame, wherein the headrest body comprises a headrest rod (1), the backrest frame is provided with a guide sleeve (2) for the headrest rod (1) to be inserted, a headrest wiring harness (3) is passed through the interior of the headrest rod (1), and a slot structure for adjusting the height is provided on the headrest rod (1), characterized in that: The invention also comprises a first connector (4), a second connector (5), a third connector (6), a fourth connector (7) and a connecting assembly (8), wherein the first connector (4) is fixed in the pipe mouth of the headrest rod (1) and is connected to the headrest wire harness (3) inside the headrest rod (1), the connecting assembly (8) is fixed below the guide sleeve (2), a slide groove (9) extending vertically and communicating with the guide sleeve (2) is provided on the connecting assembly (8), the second connector (5) is slidably arranged in the slide groove (9), and two tension springs (10) spaced apart from each other are arranged upward at the top end thereof, the tension springs (10) are all fixed on the connecting assembly (8), the slide groove (9) extending vertically and communicating with the guide sleeve (2) are provided on the connecting assembly (8), The groove (9) is provided with an upper stop point and a lower stop point for limiting the sliding travel of the second connector (5); the bottom end of the second connector (5) is connected to a seat harness (11); the first connector (4) and the second connector (5) are positioned correspondingly; when the headrest rod (1) passes through the guide sleeve (2) and is inserted into the second connector (5), the first connector (4) can form a detachable contact connection with the second connector (5); and when the headrest rod (1) is adjusted in height between the upper stop point and the lower stop point, under the action of the elastic force of the tension spring (10) and the thrust of the headrest rod (1), the first connector (4) can always maintain connection with the second connector (5); The headrest wiring harness (3) passes through the upper end of the headrest rod (1) and is connected to the third connector (6), and the third connector (6) is used to connect to the electrical equipment inside the headrest body. The seat wiring harness (11) passes through the bottom of the connecting component (8) and is connected to the fourth connector (7), and the fourth connector (7) is used to connect to the seat bus.

2. The wiring harness connection structure of the automobile seat headrest according to claim 1, characterized in that: The second connector (5) is horizontally limited in the slide groove (9).

3. The wiring harness connection structure of the automobile seat headrest according to claim 1, characterized in that: The second connector (5) is provided with a power connection groove for the pipe opening of the headrest rod (1) to be inserted.

4. The wiring harness connection structure of the automobile seat headrest according to claim 1, characterized in that: A clamping hole is provided on the tube wall of the headrest rod (1), and an undercut is provided on the outer edge of the first connector (4). The first connector (4) is fixed in the tube opening of the headrest rod (1) by the undercut and the clamping hole.

5. The wiring harness connection structure of the automobile seat headrest according to claim 1, characterized in that: One end of the tension spring (10) is fixed to the top rear end of the second connector (5), and the other end is fixed to the rear wall of the connecting component (8). When the headrest rod (1) is inserted into the second connector (5), the tension spring (10) is located in the gap between the headrest rod (1) and the connecting component (8).

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