CN221605671U

CN221605671U - Backrest structure of a push-type seat

Info

Publication number: CN221605671U
Application number: CN202323072198.8U
Authority: CN
Inventors: 朱卫华; 王猛; 叶建青
Original assignee: Shanghai Xininkstone Mould Manufacturing Co ltd
Current assignee: Shanghai Xininkstone Mould Manufacturing Co ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-08-27
Anticipated expiration: 2033-11-14

Abstract

The utility model belongs to the technical field of seat backs, in particular to a backrest structure of a push-type seat, aiming at the problem that the waist and neck of a person cannot be supported and fatigue is caused in the background art, the scheme is provided. According to the utility model, the waist support plate is arranged at the bottom of one side of the seat backrest, and the lifting frame can drive the waist support plate to be adjusted up and down and limited under the action of the spring and the limiting column, so that the waist of a person is supported and flexibly adjusted to be high in comfort level, and under the mutual cooperation of the vacuum electromagnetic valve and the air pump, the air bag can be continuously inflated and deflated, and as the air bag is positioned at the neck position of the person, the fatigue degree of the neck position of the person leaning on the backrest for a long time under the massage action of the air bag is effectively relieved.

Description

Backrest structure of push type seat

Technical Field

The utility model relates to the technical field of seat backs, in particular to a backrest structure of a push-type seat.

Background

The automobile seat consists of a seat cushion, a backrest, a side back support, a headrest and the like, and has a certain surface shape, the profile curves of the seat surface and the backrest are matched with the back curves of the human body in a relaxed state, the surface shape and the body pressure distribution of the seat after the passenger sits in the seat can enable muscles of the passenger to be in the most relaxed state, the seat can be supported to lumbar vertebra parts, limb numbness caused by poor blood circulation is avoided, and the passenger is not easy to feel tired after sitting for a long time.

The backrest is a part on which a person sits on the back and neck of the seat, and the backrest of the seat in the automobile has the following defects in the use process:

Firstly, when personnel sit on the seat, can form great space unable use between the cushion of seat and the back, can't support personnel's waist, in addition, personnel lean on the back for a long time, and neck position can be very tired, is difficult to alleviate through the back.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a backrest structure of a push-type seat, which overcomes the defects of the prior art and effectively solves the problem that the waist and the neck of a person cannot be supported to be tired.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The backrest structure of the push-type seat comprises a seat backrest, wherein a backboard is arranged on one side of the seat backrest, a track plate which is symmetrically distributed is fixedly connected to the outer wall of one side of the backboard through bolts, a lifting frame is slidably connected to the outer wall of the track plate, a lumbar support plate is arranged on the outer wall of one end of the lifting frame, a limit column is slidably connected to the inner wall of the lifting frame, and a spring is connected between the lifting frame and the limit column;

The top of seat back one side outer wall is connected with the gasbag of symmetric distribution, and gasbag one side outer wall is connected with the gas-supply bag, gas-supply bag bottom outer wall is connected with the trachea, and trachea one end outer wall is connected with vacuum solenoid valve, vacuum solenoid valve is connected with the air pump through the trachea.

Preferably, the outer wall of one side of the track plate is provided with ball grooves distributed at equal intervals, and the limit posts are connected to the inner wall of one of the ball grooves in a sliding manner.

Preferably, handles are welded on the outer walls of the tops of the lifting frames which are symmetrically distributed.

Preferably, the outer wall of the top of the seat back is connected with symmetrically distributed telescopic columns in a sliding manner, and a headrest is installed on the outer wall of the top of the telescopic columns.

Preferably, limiting plates are arranged on the outer walls of the two sides of the seat back, and the outer walls of the two sides of the seat back are positioned at the top of the limiting plates and are rotationally connected with handrail plates.

Preferably, an adhesive strip is adhered between the seat back and the back plate.

The beneficial effects of the utility model are as follows:

1. According to the backrest structure of the push-type seat, the lumbar support plate is arranged at the bottom of one side of the backrest, and the lifting frame can drive the lumbar support plate to be adjusted up and down and limited under the action of the spring and the limiting column, so that the lumbar support plate is adjusted to a position where a person leans, the waist of the person is supported, the adjustment is flexible, and the comfort level is high;

2. The backrest structure of the push-press type seat has the advantages that under the mutual matching of the vacuum electromagnetic valve and the air pump, the air bag can be continuously inflated and deflated, and the fatigue of the neck position of the person leaning on the backrest for a long time is effectively relieved under the massage effect of the air bag because the air bag is positioned at the neck position of the person.

Drawings

FIG. 1 is a schematic view of the whole structure of a backrest structure of a push-type seat according to the present utility model;

FIG. 2 is a schematic view showing the split structure of a back plate, a track plate and a lumbar support plate of a backrest structure of a push-type seat according to the present utility model;

FIG. 3 is a schematic view of the internal structure of a lifting frame of a backrest structure of a push-type seat according to the present utility model;

Fig. 4 is a schematic view of an airbag connection structure of a backrest structure of a push-type seat according to the present utility model.

In the figure: 1. a seat back; 2. a back plate; 3. a track plate; 4. a lifting frame; 5. waist support plates; 6. a spring; 7. a limit column; 8. an air bag; 9. a gas conveying bag; 10. an air pipe; 11. a vacuum solenoid valve; 12. an air pump; 13. a handle; 14. a telescopic column; 15. a headrest; 16. a limiting plate; 17. a handrail plate; 18. and (5) sticking the strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a backrest structure of a push-type seat includes a seat backrest 1, a backboard 2 is disposed on one side of the seat backrest 1, a symmetrically distributed track plate 3 is fixedly connected to an outer wall of one side of the backboard 2 through bolts, a lifting frame 4 is slidably connected to an outer wall of the track plate 3, a lumbar support plate 5 is mounted on an outer wall of one end of the lifting frame 4, a limit post 7 is slidably connected to an inner wall of the lifting frame 4, and a spring 6 is connected between the lifting frame 4 and the limit post 7.

In this embodiment, the lumbar support plate 5 has been set up to the bottom of one side of the seat back 1, and under the effect through spring 6 and spacing post 7, crane 4 can drive lumbar support plate 5 and adjust from top to bottom and carry out spacing to adjust the position department that suitable personnel leaned on with lumbar support plate 5, personnel's waist has obtained the support, and nimble regulation, the comfort level is high.

In the second embodiment, referring to fig. 4, in a backrest structure of a push-type seat, an airbag 8 symmetrically distributed is connected to the top of one side outer wall of a backrest 1, an air bag 9 is connected to one side outer wall of the airbag 8, an air pipe 10 is connected to the bottom outer wall of the air bag 9, a vacuum electromagnetic valve 11 is connected to one end outer wall of the air pipe 10, and the vacuum electromagnetic valve 11 is connected to an air pump 12 through the air pipe 10.

In this embodiment, under the mutual cooperation of the vacuum electromagnetic valve 11 and the air pump 12, the air bag 8 can be continuously inflated and deflated, and as the air bag 8 is positioned at the neck position of a person, the fatigue of the neck position of the person leaning on the backrest for a long time is effectively relieved under the massage effect of the air bag 8.

Referring to fig. 3, the outer wall of one side of the track plate 3 is provided with ball grooves distributed at equal intervals, and the limit posts 7 are slidably connected to the inner wall of one of the ball grooves.

Referring to fig. 2, handles 13 are welded on the outer walls of the tops of the symmetrically distributed lifting frames 4.

Referring to fig. 1, the top outer wall of the seat back 1 is slidably connected with symmetrically distributed telescopic columns 14, and a headrest 15 is mounted on the top outer wall of the telescopic columns 14.

Referring to fig. 1, the two outer walls of the seat back 1 are both provided with a limiting plate 16, and the two outer walls of the seat back 1 are rotatably connected with an armrest plate 17 at the top of the limiting plate 16.

Referring to fig. 2, an adhesive strip 18 is adhered between the seat back 1 and the back plate 2.

Working principle: the lumbar support plate 5 at the bottom of one side of the seat backrest 1 can slide up and down along the outer wall of the track plate 3 under the action of the spring 6 and the limit post 7, and the limit post 7 is propped in the ball groove of the track plate 3, so that the lifting frame 4 can be limited and prevented from falling down, and the lumbar support plate 5 is adjusted to the leaning position of a proper person, and then, under the mutual cooperation of the vacuum electromagnetic valve 11 and the air pump 12, the air bag 8 can be continuously inflated and deflated, and the air bag 8 is positioned at the neck position of the person, so that the air bag 8 can massage the neck of the person.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a bulldoze back structure of seat, includes seat back (1), its characterized in that, seat back (1) one side is provided with backplate (2), and backplate (2) one side outer wall is through bolt fixedly connected with symmetric distribution's track board (3), track board (3) outer wall sliding connection has crane (4), and the waist fagging (5) are installed to crane (4) one end outer wall, crane (4) inner wall sliding connection has spacing post (7), and is connected with spring (6) between crane (4) and the spacing post (7);

The top of seat back (1) one side outer wall is connected with gasbag (8) of symmetric distribution, and gasbag (8) one side outer wall is connected with gas-supply bag (9), gas-supply bag (9) bottom outer wall is connected with trachea (10), and trachea (10) one end outer wall is connected with vacuum solenoid valve (11), vacuum solenoid valve (11) are connected with air pump (12) through trachea (10).

2. The backrest structure of a push-type seat according to claim 1, wherein the outer wall of one side of the track plate (3) is provided with ball grooves distributed at equal distances, and the limit posts (7) are slidably connected to the inner wall of one of the ball grooves.

3. The backrest structure of a push chair according to claim 1, characterized in that handles (13) are welded on the outer walls of the tops of the symmetrically distributed lifting frames (4).

4. The backrest structure of a push type seat according to claim 1, wherein the top outer wall of the seat backrest (1) is slidably connected with symmetrically distributed telescopic columns (14), and a headrest (15) is mounted on the top outer wall of the telescopic columns (14).

5. The backrest structure of a push type seat according to claim 1, wherein the limiting plates (16) are mounted on the outer walls of the two sides of the seat backrest (1), and the armrest plates (17) are rotatably connected to the tops of the limiting plates (16) on the outer walls of the two sides of the seat backrest (1).

6. A push chair backrest structure according to claim 1, characterized in that an adhesive strip (18) is glued between the chair backrest (1) and the back plate (2).