Quick insertion type headrest mechanism with electric appliance function

Abstract

The utility model discloses a quick plug type headrest mechanism with electric appliance function, including headrest rod, fixed on backrest skeleton, install the headrest guide sleeve and quick plug mechanism assembly in the guide pipe, quick plug mechanism assembly includes the mechanism body fixed below the guide pipe, the mechanism body is provided with the guide groove, the guide groove is movably provided with the third connector, and the third connector is connected with the headrest guide sleeve and the quick plug mechanism assembly. A third connector is arranged in the headrest guide sleeve, the third connector is provided with an elastic piece enabling the third connector to reset upwards, a limiting structure used for preventing the third connector from disengaging upwards is further arranged in the guide groove, and a second connector is arranged in an opening in the bottom end of the headrest rod. The second connector is always in contact with the third connector to achieve circuit conduction, and when the headrest rod is upwards separated from the guide groove, the third connector is blocked by the limiting structure, and the second connector is separated from the third connector. The rapid power-on and power-off device is simple in structure and small in installation space, and rapid power-on and power-off of a headrest circuit and a seat circuit can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a quick-insertion headrest mechanism with electrical function. Background Art

[0002] As the living standards of residents improve, the configuration of cars is becoming more and more abundant. With the advent of the electrification era, the configuration of vehicle electrical appliances is getting higher and higher, and headrests with integrated electrical equipment are becoming more and more popular, such as music headrests, which connect the headrest speakers to the vehicle amplifier through a wiring harness to achieve the function of playing music; but currently, the music headrests on the market are all integrated designs, and the wiring harness connecting the headrest speakers and the vehicle amplifier does not have the function of disassembly, resulting in the inability to quickly plug and unplug the music headrests.

[0003] In order to realize the quick plug-in and pull-out between the headrest with electrical equipment and the seat, the prior art adopts the combination of conductive springs and conductive slide rails to realize the purpose of quick plug-in and pull-out while realizing the electrical connection between the headrest and the seat; there is also a car seat music headrest plug-in device and a car seat disclosed in patent number CN202311174414.1, which is provided with a shell assembly, the shell assembly includes a first shell and a second shell, so that the first shell can be used to place the headrest audio harness, and the headrest rod can be limited to avoid the left and right shaking of the headrest rod when adjusting; the second shell can be used to place the whole vehicle amplifier harness, and at the same time guide the adjustment of the headrest rod, so as to realize the quick plug-in and pull-out of the headrest. The defects of the two methods are that the structure is complex, the cost is high, and the structure is not compact and the volume is large, resulting in a large space required for the installation of the plug-in structure and great difficulty in layout. Utility Model Content

[0004] In view of the problems existing in the above-mentioned prior art, the present invention aims to provide a quick-plug headrest mechanism with electrical function, which has a simple structure and good safety, and can realize rapid power on and off of the headrest circuit and the seat circuit when the headrest rod is disassembled and assembled.

[0005] In order to achieve the above-mentioned purpose, the utility model proposes a quick-plug headrest mechanism with electrical function, including a headrest rod, a conduit fixed on a backrest frame and a headrest guide sleeve installed in the conduit, the headrest rod being hollow and open at the bottom end, and also including a quick-plug mechanism assembly, the quick-plug mechanism assembly including a mechanism body fixed below the conduit, a guide groove being provided in the mechanism body, a third connector being movably provided in the guide groove, the third connector being located on the travel route of the headrest rod, and the third connector being equipped with an elastic member for resetting it upward, a limiting structure for preventing the third connector from falling out upward, a second connector being provided in the bottom opening of the headrest rod, when the headrest rod is inserted into the headrest guide sleeve and moves up and down in the guide groove, the second connector is always in contact with the third connector to realize circuit conduction, when the headrest rod is disengaged from the guide groove upward, the third connector is blocked by the limiting structure, and the second connector is separated from the third connector.

[0006] In the above scheme: the elastic member is a coil spring, and a limit groove is provided in the top of the mechanism body near the guide groove. The coil spring is installed in the limit groove. The coil spring can be misaligned with the headrest rod inserted into the guide groove, and one end of the coil spring is downwardly connected to the third connector; when the headrest rod moves up and down in the guide groove, the coil spring is misaligned with the headrest rod to avoid affecting the contact and connection between the second connector and the third connector.

[0007] In the above scheme: the bottom end of the third connector is connected to a wiring harness, the wiring harness passes downward through the mechanism body and is connected to the fourth connector, and the fourth connector is used to connect to the seat back bus; the upper end of the headrest rod is provided with a wiring harness through hole, and the top end of the second connector is connected to a wiring harness, the wiring harness passes upward from the wiring harness through hole and is connected to the first connector, and the first connector is used to connect to the electrical components inside the headrest.

[0008] In the above scheme: the mechanism body and the conduit are both provided with a lug structure, and the two are connected at the lug structure by bolts, so the structure is simple and the assembly is convenient.

[0009] In the above scheme: the conduit is provided with a limiting notch, the mechanism body is provided with a limiting protrusion matching the limiting notch, the limiting protrusion is inserted upward into the limiting notch. The mechanism body is inserted upward from the lower end of the conduit, positioned by the limiting notch, and then fixed to the conduit by bolts.

[0010] In the above scheme: one end of the coil spring and the third connector, and the second connector and the headrest rod are fixedly connected by a clamping structure, which has a simple structure and is easy to assemble.

[0011] The beneficial effects of the present invention are:

[0012] When the bottom of the headrest rod is inserted into the guide groove, the second connector contacts the third connector to realize circuit conduction. When the headrest rod moves up and down in the guide groove, that is, when the headrest rod is adjusted in height, the elastic member can always drive the third connector to contact the second connector to realize circuit conduction. When the headrest rod is upwardly separated from the guide groove, the third connector is blocked by the limiting structure, and the second connector is separated from the third connector to realize circuit disconnection. In short, the utility model has a simple structure and requires a small installation space. It can realize the rapid power on and off of the headrest circuit and the seat circuit. The second connector is hidden in the headrest rod, and the third connector is hidden in the body of the mechanism, which has high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the headrest rod.

[0015] Figure 3 It is a structural schematic diagram of the quick-insert mechanism assembly.

[0016] Figure 4 It is an internal cross-sectional view of the quick-insert mechanism assembly.

[0017] Figure 5 It is an internal cross-sectional view of the mechanism body.

[0018] Figure 6 This is a schematic diagram of the catheter installation.

[0019] Figure 7 It is a structural diagram of the guide sleeve.

[0020] Figure 8 Schematic diagram of the coil spring and the third connector.

[0021] Fig. 9 Schematic diagram of the second connector and the headrest rod.

[0022] Fig.10 It is a schematic diagram showing that the second connector is not in contact with the third connector.

[0023] Fig.11 It is a schematic diagram of the second connector being in contact with the third connector. DETAILED DESCRIPTION

[0024] like Figure 1 As shown in FIG. 11 , a quick-insertion headrest mechanism with electrical function is mainly composed of a headrest rod 1, a guide tube 3 fixed on a backrest frame 2, a headrest guide sleeve 4 installed in the guide tube 3, and a quick-insertion mechanism assembly.

[0025] The quick-insertion mechanism assembly includes a mechanism body 11 fixed below the guide tube 3, a guide groove is provided in the mechanism body 11, and a third connector 5 is movably provided in the guide groove. The third connector is located on the travel path of the headrest rod 1, and the third connector 5 is equipped with an elastic member 9 for resetting it upward, and a limiting structure 10 for preventing the third connector 5 from falling out upward is also provided in the guide groove.

[0026] The headrest rod 1 is hollow and has an opening at the bottom. A second connector 6 is disposed in the opening at the bottom of the headrest rod 1 .

[0027] When the headrest rod 1 is inserted into the headrest guide sleeve 4 and moves up and down in the guide groove, the second connector 6 is always in contact with the third connector 5 to achieve circuit conduction; when the headrest rod 1 is upwardly separated from the guide groove, the third connector 5 is blocked by the limiting structure 10, and the second connector 6 is separated from the third connector 5.

[0028] Preferably, the elastic member 9 is a coil spring, and a limit groove is provided in the top of the mechanism body 11 near the guide groove. The coil spring is installed in the limit groove. The coil spring can be misaligned with the headrest rod 1 inserted into the guide groove, and one end of the coil spring is downwardly connected to the third connector 5; when the headrest rod 1 moves up and down in the guide groove, the coil spring is misaligned with the headrest rod 1 to avoid affecting the contact and connection between the second connector 6 and the third connector 5.

[0029] Preferably, the bottom end of the third connector 5 is connected to a wiring harness, which passes downward through the mechanism body 11 and is connected to the fourth connector 7, which is used to connect to the seat back bus; the upper end of the headrest rod 1 is provided with a wiring harness through hole, and the top end of the second connector 6 is connected to a wiring harness, which passes upward from the wiring harness through hole and is connected to the first connector 8, which is used to connect to the internal electrical components of the headrest.

[0030] Preferably, both the mechanism body 11 and the conduit 3 are provided with a lug structure 12, and the two are connected at the lug structure 12 by bolts, which has a simple structure and is easy to assemble.

[0031] Preferably, the conduit 3 is provided with a limiting notch 13, and the mechanism body 11 is provided with a limiting protrusion matching the limiting notch 13, and the limiting protrusion is inserted upward into the limiting notch 13. The mechanism body 11 is inserted upward from the lower end of the conduit 3, positioned by the limiting notch 13, and then fixed to the conduit 3 by bolts.

[0032] Preferably, one end of the coil spring and the third connector 5, and the second connector 6 and the headrest rod 1 are fixedly connected by a snap-fit ​​structure, which has a simple structure and is easy to assemble.

Claims

1. A quick-plug headrest mechanism with electrical functions, comprising a headrest rod (1), a guide tube (3) fixed to a backrest frame (2), and a headrest guide sleeve (4) installed in the guide tube (3), wherein the headrest rod (1) is hollow and has an opening at the bottom, and is characterized in that: The invention also includes a quick-insertion mechanism assembly, which includes a mechanism body (11) fixed below the guide tube (3), a guide groove being provided in the mechanism body (11), a third connector (5) being movably provided in the guide groove, the third connector being located on the travel path of the headrest rod (1), and the third connector (5) being provided with an elastic member (9) for resetting it upward, a limiting structure (10) for preventing the third connector (5) from escaping upward is also provided in the guide groove, a second connector (6) is provided in the bottom opening of the headrest rod (1), when the headrest rod (1) is inserted into the headrest guide sleeve (4) and moves up and down in the guide groove, the second connector (6) is always in contact with the third connector (5) to realize circuit conduction, when the headrest rod (1) is disengaged from the guide groove upward, the third connector (5) is blocked by the limiting structure (10), and the second connector (6) is separated from the third connector (5).

2. The quick-insert headrest mechanism with electrical function according to claim 1, characterized in that: The elastic member (9) is a coil spring. A limiting groove is provided in the top of the mechanism body (11) near the guide groove. The coil spring is installed in the limiting groove. The coil spring can be misaligned with the headrest rod (1) inserted into the guide groove. One end of the coil spring is downwardly connected to the third connector (5).

3. The quick-insert headrest mechanism with electrical function according to claim 1, characterized in that: The bottom end of the third connector (5) is connected to a wiring harness, which passes downward through the mechanism body (11) and is connected to a fourth connector (7), and the fourth connector (7) is used to connect to a seat back bus; the upper end of the headrest rod (1) is provided with a wiring harness through hole, and the top end of the second connector (6) is connected to a wiring harness, which passes upward through the wiring harness through hole and is connected to the first connector (8), and the first connector (8) is used to connect to electrical components inside the headrest.

4. The quick-insert headrest mechanism with electrical function according to claim 1, characterized in that: The mechanism body (11) and the conduit (3) are both provided with a support ear structure (12), and the two are connected at the support ear structure (12) by bolts.

5. The quick-insert headrest mechanism with electrical function according to claim 4, characterized in that: The conduit (3) is provided with a limiting notch (13), and the mechanism body (11) is provided with a limiting protrusion matching the limiting notch (13), and the limiting protrusion is upwardly snapped into the limiting notch (13).

6. The quick-insert headrest mechanism with electrical function according to claim 2, characterized in that: One end of the coil spring and the third connector (5), as well as the second connector (6) and the headrest rod (1) are fixedly connected via a clamping structure.

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