CN219727966U - Automobile seat backrest - Google Patents

Abstract

The utility model belongs to the technical field of automobile seats, and particularly relates to an automobile seat backrest, which comprises: a seat; and a headrest slidably coupled to the seat; an adjusting component is arranged on one side of the headrest and used for adjusting the height of the headrest; the adjustment assembly includes: a drive member coupled to the seat; and a screw fixedly connected to the output end of the driving member; the sliding block is connected with the screw rod through threads and is in sliding connection with the seat; one end of the ejector rod is rotationally connected with the sliding block, the other end of the ejector rod is rotationally connected with a movable toothed plate, and one end, far away from the ejector rod, of the movable toothed plate is fixedly connected with the headrest; and one side of the movable toothed plate is provided with limiting teeth. According to the utility model, the stability of the automobile seat can be further improved by arranging the supporting component, and in the embodiment, the position of the headrest can be adjusted by combining the adjusting component with the supporting component, so that the automobile seat is high in comfort and good in stability, and is more suitable for popularization and use.

Description

Automobile seat backrest

Technical Field

The utility model belongs to the technical field of automobile seats, and particularly relates to an automobile seat backrest.

Background

A car seat is a seat that sits when sitting on a car, and can be roughly classified into: front row seat: headrest, back and cushion, back row seat: the automobile seat is divided into a backrest, a cushion and side wings, the automobile seat backrest is manually adjusted, an adjusting button is generally arranged below and on the left side of the automobile seat, the distance between the automobile seat backrest and a steering wheel and between the automobile seat backrest and pedals can be changed through manual adjustment, the lumbar support and the inclined angle of the automobile seat backrest can be changed, and the height of some automobiles and the height of the seats can be adjusted. The electric automobile seat backrest is electrically adjusted, a plurality of buttons are arranged on the electric automobile seat, the automobile seat can be lifted or lowered to move back and forth by controlling the buttons, and the inclination angle of the automobile seat backrest can be changed.

The existing automobile seat backrest is generally not provided with a headrest or provided with a headrest with a fixed position, so that the position of the headrest cannot be adjusted, and the comfort is poor.

From the above, the existing automobile seat backrest cannot adjust the position of the headrest, has poor comfort and is not suitable for popularization and use.

Disclosure of Invention

An object of an embodiment of the present utility model is to provide an automobile seat back including:

a seat; and a headrest slidably coupled to the seat;

an adjusting component is arranged on one side of the headrest and used for adjusting the height of the headrest;

the adjustment assembly includes:

a drive member coupled to the seat; and a screw fixedly connected to the output end of the driving member;

the sliding block is connected with the screw rod through threads and is in sliding connection with the seat;

one end of the ejector rod is rotationally connected with the sliding block, the other end of the ejector rod is rotationally connected with a movable toothed plate, and one end, far away from the ejector rod, of the movable toothed plate is fixedly connected with the headrest;

a limiting tooth is arranged on one side of the movable toothed plate and is connected with the seat in a sliding manner;

one side of the limiting teeth is connected with a pull rod, and the pull rod is connected with the seat in a sliding manner.

Further, one end of the limiting tooth is provided with an elastic piece, and one end, far away from the limiting tooth, of the elastic piece is connected with the seat.

Further, the number of the sliding blocks and the ejector rods is two, and the two groups of sliding blocks and the ejector rods are symmetrically distributed on two sides of the screw rod.

Further, the automobile seat back further includes:

and the support component is connected with the headrest and used for improving the stability of the headrest.

Further, the support assembly includes:

and one end of the supporting rod is connected with the seat, and the other end of the supporting rod is connected with the headrest.

According to the automobile seat backrest, the adjusting component is arranged, so that the position of the headrest can be adjusted, the comfort of the automobile seat is greatly improved, and the supporting component is arranged, so that the stability of the automobile seat can be further improved.

Drawings

Fig. 1 is a schematic structural view of a backrest of an automobile seat according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the seat and headrest positions in a backrest of an automobile seat according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a backrest of an automobile seat according to an embodiment of the present utility model.

In the accompanying drawings: 1. a seat; 2. a headrest; 3. an adjustment assembly; 301. a servo motor; 302. a screw; 303. a slide block; 304. a push rod; 305. moving the toothed plate; 306. limit teeth; 307. a pull rod; 308. a buffer spring; 4. a support assembly; 401. and (5) supporting the rod.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1, 2 and 3, a backrest of an automobile seat 1 according to an embodiment of the present utility model includes:

a seat 1; and a headrest 2 slidably connected to the seat 1;

an adjusting component is arranged on one side of the headrest 2 and used for adjusting the height of the headrest 2;

the adjusting assembly 3 comprises:

a driving member connected to the seat 1; and a screw 302 fixedly connected to the output end of the driving member;

a slider 303 screwed to the screw 302, the slider 303 being slidably connected to the seat 1;

the ejector rod 304, one end of which is rotationally connected with the sliding block 303, the other end of which is rotationally connected with the movable toothed plate 305, and one end, far away from the ejector rod 304, of the movable toothed plate 305 is fixedly connected with the headrest 2;

a limiting tooth 306 is arranged on one side of the movable toothed plate 305, and the limiting tooth 306 is in sliding connection with the seat 1;

one side of the limiting teeth 306 is connected with a pull rod 307, and the pull rod 307 is connected with the seat 1 in a sliding manner.

In the embodiment of the present utility model, the size and shape of the seat 1 are not limited, and the size of the seat 1 should be determined according to the size of the adjusting assembly 3 at one side thereof, and the shape of the seat 1 is not limited, and may be cabinet-shaped, box-shaped, or other desired shape.

In this embodiment, a driving member is connected below the seat 1, where the driving member is a servo motor 301, and may also be a stepper motor, a screw rod 302 is fixedly connected to an output end of the servo motor 301, a slider 303 is connected to the screw rod 302 through a thread, the slider 303 is slidably connected to the seat 1, a push rod 304 is rotationally connected to the slider 303, the other end of the push rod is rotationally connected to a moving toothed plate 305, one end of the moving toothed plate 305 away from the push rod 304 is fixedly connected to the headrest 2, a limiting tooth 306 is provided on one side of the moving toothed plate 305, the limiting tooth 306 is slidably connected to the seat 1, a pull rod 307 is connected to one side of the limiting tooth 306, and the pull rod 307 is slidably connected to the seat 1.

In actual use, the servo motor 301 is started to enable the screw rod 302 to rotate and drive the sliding block 303 to move, the sliding block 303 drives the movable toothed plate 305 to move through the ejector rod 304, and the movable toothed plate 305 and the headrest 2 move simultaneously to adjust the position of the headrest 2.

In this embodiment, through adjusting the position of headrest 2, can improve the travelling comfort of seat 1 greatly, when needs are adjusted headrest 2, should draw pull rod 307 for spacing tooth 306 breaks away from and removes pinion rack 305, and after loosening pull rod 307, spacing tooth 306 and removal pinion rack 305 joint can carry out spacing to remove pinion rack 305 and headrest 2, improves headrest 2 stability, through adjusting the position of headrest 2, can improve the travelling comfort of seat 1 and headrest 2 greatly, also can retrieve inside seat 1 with headrest 2, improves the in-vehicle field of vision, avoids headrest 2 to fall full of dust.

In one embodiment of the present utility model, referring to fig. 3, an elastic member is disposed at an end of the limiting teeth 306, and an end of the elastic member away from the limiting teeth 306 is connected to the seat 1.

In this embodiment, one end of the limiting tooth 306 is provided with an elastic member, wherein the elastic member is a buffer spring 308, and may also be a rubber column, one end of the buffer spring 308 is connected with the seat 1, and the other end is connected with the limiting tooth 306, through the arrangement of the buffer spring 308, the pull rod 307 can push the limiting tooth 306, so that the limiting tooth 306 is always clamped with the moving toothed plate 305, and the moving toothed plate 305 is limited.

In one embodiment of the present utility model, referring to fig. 3, the number of the sliding blocks 303 and the ejector pins 304 is two, and the two groups of sliding blocks 303 and the ejector pins 304 are symmetrically distributed on two sides of the screw 302.

In the present embodiment, the number of the sliders 303 and the jack 304 is two, and the movement of the moving toothed plate 305 and the headrest 2 can be made more stable by the arrangement of the two sets of sliders 303 and the jack 304.

In one embodiment of the present utility model, referring to fig. 3, the backrest of the car seat 1 further includes:

and the support component 4 is connected with the headrest 2 and is used for improving the stability of the headrest 2.

In the embodiment of the utility model, the stability of the headrest 2 can be greatly improved by arranging the support component 4, so that the comfort of the headrest 2 is stronger.

In one embodiment of the present utility model, referring to fig. 3, the support assembly 4 includes:

the support bar 401 has one end connected to the seat 1 and the other end connected to the headrest 2.

In this embodiment, the support rod 401 is fixedly connected to the lower portion of the seat 1, one end, far away from the seat 1, of the support rod 401 is connected with the headrest 2, and the stability of the headrest 2 can be greatly improved through the arrangement of the support rod 401.

In actual use, when the headrest 2 needs to be moved, the pull rod 307 is pulled, the limiting teeth 306 are separated from the moving toothed plate 305, the servo motor 301 is started again, the screw 302 can be made to rotate, the sliding block 303 is driven to move, the sliding block 303 drives the moving toothed plate 305 to move through the ejector rod 304, the moving toothed plate 305 and the headrest 2 move simultaneously, the position of the headrest 2 is adjusted, the pull rod 307 is loosened, the limiting teeth 306 are clamped with the moving toothed plate 305, and the moving toothed plate 305 is limited.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (5)

1. An automotive seat back, characterized in that the automotive seat back comprises:

a seat; and a headrest slidably coupled to the seat;

an adjusting component is arranged on one side of the headrest and used for adjusting the height of the headrest;

the adjustment assembly includes:

a drive member coupled to the seat; and a screw fixedly connected to the output end of the driving member;

the sliding block is connected with the screw rod through threads and is in sliding connection with the seat;

one end of the ejector rod is rotationally connected with the sliding block, the other end of the ejector rod is rotationally connected with a movable toothed plate, and one end, far away from the ejector rod, of the movable toothed plate is fixedly connected with the headrest;

a limiting tooth is arranged on one side of the movable toothed plate and is connected with the seat in a sliding manner;

one side of the limiting teeth is connected with a pull rod, and the pull rod is connected with the seat in a sliding manner.

2. The automobile seat back according to claim 1, wherein one end of the limiting tooth is provided with an elastic piece, and one end of the elastic piece far away from the limiting tooth is connected with the seat.

3. The automobile seat back according to claim 1, wherein the number of the sliding blocks and the ejector rods is two, and the two groups of sliding blocks and the ejector rods are symmetrically distributed on two sides of the screw rod.

4. The automobile seat back of claim 1, further comprising:

and the support component is connected with the headrest and used for improving the stability of the headrest.

5. The vehicle seat back of claim 4 wherein the support assembly comprises:

and one end of the supporting rod is connected with the seat, and the other end of the supporting rod is connected with the headrest.