CN219183208U

CN219183208U - Automatic chair backrest angle adjusting device

Info

Publication number: CN219183208U
Application number: CN202223078065.7U
Authority: CN
Inventors: 童叙豪; 张新悦; 胡越飞; 汤海岚; 阎虹烨; 张水强
Original assignee: Huzhou University
Current assignee: Huzhou University
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-06-16
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses an automatic chair backrest angle adjusting device which comprises a seat plate, wherein a backrest is hinged to one side of the seat plate, and the automatic chair backrest angle adjusting device is characterized in that a limiting frame is fixedly arranged on one side of the backrest, a fixed plate is fixedly arranged at the bottom of the seat plate, a singlechip is arranged on one side of the fixed plate, a plurality of sliding rods are fixedly arranged on one side of the fixed plate, a sliding plate capable of sliding is sleeved outside the sliding rods, a backrest rotation driving mechanism is arranged on the sliding plate, a movable driving mechanism for driving the sliding plate to move is arranged on one side of the fixed plate, a linear displacement sensor is fixedly arranged on one side of the fixed plate, and a sliding end of the linear displacement sensor is fixed between the sliding end of the linear displacement sensor and the sliding plate. The utility model has the advantages that the angle of the backrest of the chair can be automatically adjusted without manually adjusting the angle, and the use is more convenient.

Description

Automatic chair backrest angle adjusting device

Technical Field

The utility model relates to the technical field of chair adjusting devices, in particular to an automatic chair backrest angle adjusting device.

Background

Modern chairs are attractive and fashionable, and some chairs are not used as seats alone, so that the life of people is more convenient under the combination of science and technology.

Many chairs on the market at present can adjust the back angle of the chair according to personal comfort, when the angle of the back of the chair and the seat board is adjusted to a larger angle, a user can lie on the chair for rest, and the angle of the back of the chair and the seat board can be adjusted to a proper angle during working. However, most chairs in the market at present need to be manually adjusted in the backrest angle, and are not convenient for users who need to frequently adjust the angle of the chair. For this purpose we propose an automatic adjustment device for the angle of the backrest of a chair.

Disclosure of Invention

The utility model aims to provide an automatic chair backrest angle adjusting device, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a chair back angle automatic regulating apparatus, includes the bedplate, bedplate one side articulates there is the back, back one side fixed mounting has spacing frame, the bottom fixed mounting of bedplate has the fixed plate, fixed plate one side is provided with the singlechip, fixed plate one side fixed mounting has many slide bars that parallel, and is a plurality of the slide bar outside cover is equipped with slidable sliding plate, be provided with back rotation driving mechanism on the sliding plate, be provided with the removal driving mechanism that is used for driving the sliding plate motion on the fixed plate, fixed mounting has two armrests on the bedplate, one side fixed mounting of one of them handrail has control panel, fixed plate one side fixed mounting has linear displacement sensor, linear displacement sensor's slip end is fixed with between the sliding plate.

Preferably, the backrest rotation driving mechanism comprises two connecting strips fixedly installed on one side of the sliding plate, a limiting rod is fixedly installed between the two connecting strips, a sliding groove is formed in the limiting frame, and the limiting rod penetrates through the sliding groove.

Preferably, the limiting rod is cylindrical, and the diameter of the shaft section of the limiting rod is the same as the width of the sliding groove of the limiting frame.

Preferably, a plurality of supporting legs are fixedly arranged at the bottom of the seat plate.

Preferably, the movable driving mechanism comprises a motor fixedly installed on one side of the fixed plate, a screw rod is coaxially and fixedly installed at the output end of the motor, the screw rod penetrates through the fixed plate, the screw rod is in threaded connection with the sliding plate, and the motor is electrically connected with the single chip microcomputer.

Preferably, the control panel and the linear displacement sensor are respectively and electrically connected with the singlechip.

Compared with the prior art, the utility model has the beneficial effects that:

this chair back angle automatic regulating apparatus sends the signal to the singlechip through pressing the button on the control panel for singlechip control motor rotates, until the sliding plate drives the sliding end motion of linear displacement sensor to the position of predetermineeing, and the angle of limiting frame and back can directly be influenced to the position of sliding plate, thereby can realize adjusting the function of back to different angles through control panel, has accomplished automatic angle regulation's function, and when the demand angle changed, it is comparatively convenient to adjust the back angle.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic diagram of the structure of the connection mode of the SCM circuit of the present utility model;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 2;

fig. 6 is an enlarged schematic view of the structure at C in fig. 2.

In the figure: 1. a seat plate; 2. support legs; 3. a backrest; 4. a limit frame; 5. a fixing plate; 6. a single chip microcomputer; 7. a slide bar; 8. a sliding plate; 9. a screw; 10. a connecting strip; 11. a limit rod; 12. an armrest; 13. a control panel; 14. a linear displacement sensor; 15. a motor; 41. and a sliding groove.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an automatic chair backrest angle adjusting device comprises a seat board 1, a backrest 3 is hinged to one side of the seat board 1, a limit frame 4 is fixedly installed on one side of the backrest 3, a fixed plate 5 is fixedly installed at the bottom of the seat board 1, a single chip microcomputer 6 is fixedly arranged on one side of the fixed plate 5, a plurality of parallel sliding rods 7 are fixedly installed on one side of the fixed plate 5, sliding plates 8 capable of sliding are sleeved outside the sliding rods 7, a backrest rotation driving mechanism is arranged on the sliding plates 8, the backrest rotation driving mechanism comprises two connecting strips 10 fixedly installed on one side of the sliding plates 8, a limit rod 11 is fixedly installed between the two connecting strips 10, a sliding groove 41 is arranged on the limit frame 4, the limit rod 11 penetrates through the sliding groove 41, a movable driving mechanism for driving the sliding plates 8 to move is arranged on one side of the fixed plate 5, the movable driving mechanism comprises a motor 15 fixedly installed on one side of the fixed plate 5, a screw 9 is coaxially and fixedly installed at the output end of the motor 15, the screw 9 penetrates through the fixed plate 5, the screw 9 is in threaded connection with the sliding plates 8, the motor 15 is electrically connected with the single chip microcomputer 6, and the single chip microcomputer 6 is used for controlling the motor 15 to work, and the screw 9 is driven to rotate, so that the screw 9 drives the sliding plates 8 to slide along the sliding rods 8; the two sides of the seat board 1 are respectively and fixedly provided with armrests 12, one side of one of the armrests 12 is fixedly provided with a control panel 13, one side of the fixed plate 5 is fixedly provided with a linear displacement sensor 14, the sliding end of the linear displacement sensor 14 is fixed with the sliding plate 8, the singlechip 6 adopts an AT89C51 chip, and the linear displacement sensor 14 adopts an SLT-H-0125-L sensor. A plurality of supporting legs 2 are fixedly arranged at the bottom of the seat board 1, and the supporting legs 2 have supporting effect on the seat board 1.

Specifically, the single-chip microcomputer 6 controls the mobile driving mechanism to drive the sliding plate 8 to move, the sliding plate 8 drives the limiting rod 11 to move through the connecting strip 10, the limiting rod 11 drives the limiting frame 4 and the backrest 3 to rotate through cooperation with the sliding groove 41, so that the angle between the backrest 3 and the seat plate 1 is changed, a plurality of buttons on the control panel 13 are endowed with information of position quantities of different linear displacement sensors 14, and when different buttons on the control panel 13 are pressed, the single-chip microcomputer 6 controls the motor 15 to work, so that the sliding plate 8 moves to different positions, and the backrest 3 is adjusted to different angles.

Wherein: the control panel 13 and the linear displacement sensor 14 are respectively and electrically connected with the single chip microcomputer 6, the linear displacement sensor 14 can acquire the position information of the sliding plate 8 and convert the position information into an electric signal to be transmitted to the single chip microcomputer 6, and the control panel 13 sends an instruction to the single chip microcomputer 6, so that the sliding plate 8 is conveniently driven to move by the single chip microcomputer 6 through the control of the movement driving mechanism.

Wherein: the limiting rod 11 is cylindrical, the diameter of the shaft section of the limiting rod 11 is the same as the width of the sliding groove 41 on the limiting frame 4, and the limiting rod 11 can drive the limiting frame 4 and the backrest 3 to rotate by moving, so that the angle between the seat plate 1 and the backrest 3 is changed.

Working principle: the utility model relates to an automatic chair backrest angle adjusting device, wherein a motor 15, a control panel 13 and a linear displacement sensor 14 are electrically connected with a singlechip 6, the singlechip 6 controls the motor 15 to work and drives a screw 9 to rotate, so that a sliding plate 8 is driven to slide along a sliding rod 7, the sliding plate 8 can drive a limiting rod 11 to move through a connecting strip 10, and the limiting rod 11 passes through a sliding groove 41 of a limiting frame 4, so that the limiting frame 4 can be driven to rotate, the angle between a backrest 3 and a seat board 1 is changed, and the chair has the function of electrically adjusting the angle of the backrest 3.

It is noted that the sliding end of the linear displacement sensor 14 is fixed with the sliding plate 8, so that the linear displacement sensor 14 converts the position information of the sliding plate 8 into an electric signal and transmits the electric signal to the singlechip 6, at this time, the singlechip 6 sends a signal to the singlechip 6 by pressing a button on the control panel 13, so that the singlechip 6 controls the motor 15 to rotate until the sliding plate 8 drives the sliding end of the linear displacement sensor 14 to move to a set position, the position of the sliding plate 8 can directly influence the angles of the limiting frame 4 and the backrest 3, and therefore, the function of adjusting the backrest 3 to different angles through the control panel 13 can be realized, the function of automatically adjusting the angles is completed, and when programming, a plurality of buttons on the control panel 13 are endowed with information of the position quantities of the different linear displacement sensors 14, and when pressing different buttons on the control panel 13, the singlechip 6 controls the motor 15 to work, so that the sliding plate 8 moves to different positions and adjusts the backrest 3 to different angles.

In the present description, since the single-chip microcomputer 6 and the linear displacement sensor 14 are all commercially available chips and sensors, the control among the motor 15, the control panel 13, the linear displacement sensor 14 and the single-chip microcomputer 6 can be realized by adopting the existing control mode. Other details not described are within the skill of the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a chair back angle automatic regulating apparatus, includes bedplate (1), bedplate (1) one side articulates has back (3), its characterized in that: the utility model discloses a seat board, including back (3) and fixed plate (12), back (3) one side fixed mounting has spacing frame (4), fixed plate (1) bottom fixed mounting has fixed plate (5), fixed plate (5) one side is provided with singlechip (6), fixed plate (5) one side fixed mounting has many slide bars (7) that parallel, a plurality of slide bar (7) outside cover is equipped with slidable sliding plate (8), be provided with back rotation actuating mechanism on sliding plate (8), be provided with the removal actuating mechanism that is used for driving sliding plate (8) motion on fixed plate (5), fixed mounting has two armrests (12) on seat board (1), one side fixed mounting of one of them armrests (12) has control panel (13), fixed plate (5) one side fixed mounting has linear displacement sensor (14), be fixed between linear displacement sensor (14) sliding end and sliding plate (8).

2. An automatic chair back angle adjusting device according to claim 1, wherein: the backrest rotation driving mechanism comprises two connecting strips (10) fixedly arranged on one side of the sliding plate (8), a limiting rod (11) is fixedly arranged between the two connecting strips (10), a sliding groove (41) is formed in the limiting frame (4), and the limiting rod (11) penetrates through the sliding groove (41).

3. An automatic chair back angle adjusting device according to claim 2, wherein: the limiting rod (11) is cylindrical, and the diameter of the shaft section of the limiting rod (11) is the same as the width of the sliding groove (41) of the limiting frame (4).

4. An automatic chair back angle adjusting device according to claim 1, wherein: a plurality of supporting legs (2) are fixedly arranged at the bottom of the seat board (1).

5. An automatic chair back angle adjusting device according to claim 1, wherein: the movable driving mechanism comprises a motor (15) fixedly arranged on one side of the fixed plate (5), a screw rod (9) is coaxially and fixedly arranged at the output end of the motor (15), the screw rod (9) penetrates through the fixed plate (5), the screw rod (9) is in threaded connection with the sliding plate (8), and the motor (15) is electrically connected with the singlechip (6).

6. An automatic chair back angle adjusting device according to claim 1, wherein: the control panel (13) and the linear displacement sensor (14) are respectively and electrically connected with the singlechip (6).