CN216684187U

CN216684187U - Electric adjusting headrest

Info

Publication number: CN216684187U
Application number: CN202220246247.1U
Authority: CN
Inventors: 彭艳
Original assignee: Magna Seating Research and Development Chongqing Co Ltd
Current assignee: Magna Seating Research and Development Chongqing Co Ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-06-07
Anticipated expiration: 2032-01-29

Abstract

The utility model discloses an electric adjusting headrest, which comprises a backrest framework and an n-shaped headrest rod, wherein the top of the headrest rod is provided with a headrest, the left and the right of the backrest framework are relatively fixed with two sleeves, two support legs of the headrest rod are respectively inserted into the sleeves and movably connected with the sleeves, and a movable support is fixedly connected between the end parts of the two support legs of the headrest rod, the movable support is in sliding connection with a guide rail support which is arranged in an up-and-down extending mode, the guide rail support is fixedly connected with the backrest framework through a motor mounting support, a motor is fixed on the guide rail support, an output shaft of the motor is a lead screw, the extending direction of the lead screw is the same as that of the guide rail support, a threaded through hole matched with the lead screw is formed in the movable support, the lead screw is rotatably connected with the movable support, the motor can drive the lead screw to rotate, the movable support is driven to move up and down along the guide rail support, and therefore the headrest rod is driven to move up and down to adjust the height of the headrest. The utility model has simple structure, convenient and stable adjustment and low failure rate.

Description

Electric adjusting headrest

Technical Field

The utility model relates to the technology of automobile seats, in particular to an electric adjusting headrest.

Background

The automobile headrest is a driving comfort configuration article and a safety protection article. When the vehicle runs into the rear, the human body falls backwards due to inertia, the pressure of acceleration or deceleration of the vehicle is concentrated on the fragile neck and the head of the human body, and the headrest has a buffering effect on the pressure and protects the head of the human body. The height requirements of each person on the automobile headrest are different due to different heights and sitting postures of the person, so that the person skilled in the art invents the automobile headrest with the adjustable height, but the existing automobile headrests are mostly adjusted manually, and the existing electric adjusting automobile headrests on the market are often complex in structure and inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide an electric adjusting headrest which is simple in structure, convenient and stable to adjust and low in failure rate.

In order to achieve the purpose, the utility model provides an electric adjusting headrest, which comprises a backrest framework and an n-shaped headrest rod, wherein the top of the headrest rod is provided with a headrest, the backrest framework is fixedly provided with two sleeves which are oppositely arranged on the left and the right, two legs of the headrest rod are respectively inserted into the sleeves and movably connected with the sleeves, a movable support is fixedly connected between the end parts of the two legs of the headrest rod, the movable support is in sliding connection with a guide rail support which extends up and down, the guide rail support is fixedly connected with the backrest framework through a motor mounting support, a motor is fixed on the guide rail support, the output shaft of the motor is a screw rod, the extending direction of the screw rod is the same as that of the guide rail support, the movable support is provided with a threaded through hole matched with the screw rod, the screw rod is rotatably connected with the movable support, and the motor can drive the screw rod to rotate, the movable bracket is driven to move up and down along the guide rail bracket, so that the headrest rod is driven to move up and down to adjust the height of the headrest.

In the scheme, the method comprises the following steps: the headrest rod fixing device is characterized in that a mounting hole for inserting the support leg of the headrest rod is formed in the movable support, a clamping hole for inserting the U-shaped clamping pin is formed in the side wall of the mounting hole, a clamping groove is formed in the position, corresponding to the clamping hole, of the support leg of the headrest rod, and the U-shaped clamping pin is inserted into the clamping hole and the clamping groove from the side face of the mounting hole, so that the headrest rod and the movable support are clamped and fixed. The headrest rod and the movable support are clamped and fixed through the U-shaped clamping pin, the structure is simple, and the disassembly and the assembly are convenient.

In the scheme, the method comprises the following steps: and a guide bushing extending up and down is fixedly arranged in the sleeve, and the support legs of the headrest rod movably penetrate through the guide bushing. The guide bush can reduce the noise generated when the headrest rod moves, and can better guide the headrest rod.

In the scheme, the method comprises the following steps: the headrest comprises headrest foam and a headrest face sleeve wrapping the headrest foam. The headrest foam and the headrest face cover are combined to form a headrest with high comfort, and the headrest rod is used as a support framework of the headrest.

The utility model has the beneficial effects that:

1. the output shaft of the motor is a screw rod, the screw rod is rotatably connected with the movable support, a screw rod nut mechanism is formed inside the backrest, the height of the headrest is adjusted through the screw rod nut mechanism, the structure is simple, the adjustment is convenient, and the uniform-speed adjustment can be realized, so that the failure rate is reduced.

2. The backrest framework is fixed with a sleeve which has a guiding function for the up-and-down movement of the headrest rod.

3. The movable support is connected with a guide rail support which extends up and down in a sliding manner, and the guide rail support can play a role in guiding the movable support which moves up and down.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a partially exploded schematic view of the present invention.

Fig. 3 is a schematic view of the connection of the moving rack with the guide rail rack.

Detailed Description

As shown in fig. 1-3, an electric adjusting headrest is mainly composed of a backrest framework 1 and an n-shaped headrest rod 2, wherein a headrest 3 is arranged at the top of the headrest rod 2.

Two sleeves 4 are oppositely fixed on the left and the right of the backrest framework 1, two support legs of the headrest rod 2 are respectively inserted into the sleeves 4 and movably connected with the sleeves 4, and a movable bracket 5 is fixedly connected between the end parts of the two support legs of the headrest rod 2. The movable support 5 is connected with a guide rail support 6 which extends up and down in a sliding manner, and the guide rail support 6 is fixedly connected with the backrest framework 1 through a motor mounting support 7. A motor 8 is fixed on the guide rail bracket 6, an output shaft of the motor 8 is a screw rod 9, and the extending direction of the screw rod 9 is the same as that of the guide rail bracket 6. The movable support 5 is provided with a threaded through hole matched with the screw rod 9, and the screw rod 9 is rotatably connected with the movable support 5. The motor 8 can drive the screw rod 9 to rotate, and drive the movable bracket 5 to move up and down along the guide rail bracket 6, so as to drive the headrest rod 2 to move up and down to adjust the height of the headrest 3.

Preferably, the movable support 5 is provided with a mounting hole 501 for inserting the support leg of the headrest rod 2, a clamping hole 502 for inserting the U-shaped bayonet lock is provided on the side wall of the mounting hole 501, a clamping groove 201 is provided at the position of the support leg of the headrest rod 2 corresponding to the clamping hole 502, and the U-shaped bayonet lock is inserted into the clamping hole 502 and the clamping groove 201 from the side surface of the mounting hole 501, so as to clamp and fix the headrest rod 2 and the movable support 5. The headrest rod 2 and the movable support 5 are clamped and fixed through the U-shaped clamping pin, the structure is simple, and the disassembly and the assembly are convenient.

Preferably, the left and right ends of the guide rail bracket 6 are provided with an "L" shaped bend 601, the movable bracket 5 is provided with a groove 503 matched with the "L" shaped bend 601, and the guide rail bracket 6 and the movable bracket 5 are in sliding connection by matching the bend 601 with the groove 503. The L-shaped bend 601 is not easy to fall off in the corresponding groove 503, the stability of the sliding connection between the guide rail bracket 6 and the movable bracket 5 is good, and the guide rail bracket 6 plays a role in guiding the movable bracket 5 which moves up and down.

Preferably, a guide bush 10 extending up and down is fixedly provided in the sleeve 4, and the support leg of the headrest rod 2 is movably inserted into the guide bush 10. The guide bush 10 can reduce noise generated when the headrest rod 2 moves, and can better guide the headrest rod 2.

Preferably, the headrest 3 includes a headrest foam and a headrest face cover that covers the headrest foam. The headrest foam and the headrest cover are combined to form a headrest 3 with high comfort, and the headrest rods 2 serve as a support frame of the headrest 3.

Claims

1. The utility model provides an electronic regulation headrest, includes back skeleton (1) and headrest pole (2) that are "n" type, headrest (3), its characterized in that are installed to the top of headrest pole (2): the utility model discloses a headrest pole, including backrest skeleton (1), headrest pole (2), motor installing support (7), backrest skeleton (1), motor support (6), guide rail support (6), back frame (9), the extending direction of lead screw (9) is the same with the extending direction of guide rail support (6), be equipped with the screw thread through-hole that matches with lead screw (9) on the removal support (5), lead screw (9) and removal support (5) rotate to be connected, the motor (8) can drive the screw rod (9) to rotate, and drives the movable support (5) to move up and down along the guide rail support (6), so that the headrest rod (2) is driven to move up and down to adjust the height of the headrest (3).

2. The electrically adjustable headrest of claim 1, wherein: the utility model discloses a headrest pole (2) is characterized in that be equipped with on movable support (5) and supply headrest pole (2) the stabilizer blade male mounting hole (501), be equipped with on the lateral wall of mounting hole (501) and supply "U" type bayonet lock male card hole (502), the stabilizer blade of headrest pole (2) corresponds card hole (502) position department and is equipped with draw-in groove (201), "U" type bayonet lock inserts card hole (502) and draw-in groove (201) from mounting hole (501) side to it is fixed with headrest pole (2) and movable support (5) joint.

3. The electrically adjustable headrest of claim 2, wherein: the headrest rod is characterized in that a guide bushing (10) extending up and down is fixedly arranged in the sleeve (4), and the support legs of the headrest rod (2) are movably arranged in the guide bushing (10) in a penetrating mode.

4. The electrically adjustable headrest of claim 1, wherein: the headrest (3) comprises headrest foam and a headrest face sleeve wrapping the headrest foam.