CN210095131U

CN210095131U - Correcting desk and chair

Info

Publication number: CN210095131U
Application number: CN201920533044.9U
Authority: CN
Inventors: 王梦炜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-02-21
Anticipated expiration: 2029-04-18

Abstract

The utility model relates to the technical field of desk and chair, in particular to a correcting desk and chair, which comprises a desk and a chair, and also comprises a pressure sensor for monitoring the pressure of the back of a student on the chair back, wherein the pressure sensor is arranged at the upper part of the chair back; any one desk leg of the desk is rotatably connected with a fixing column, the fixing column is used for being fixedly connected with the ground, a servo motor used for controlling the desk legs to rotate is installed at the bottom of the fixing column, a controller electrically connected with a pressure sensor is installed on the fixing column, and the controller is electrically connected with the servo motor. The scheme promotes the students to adjust the sitting postures in time when the sitting postures are not correct, and avoids the health hidden danger caused by the incorrect sitting postures when the students learn.

Description

Correcting desk and chair

Technical Field

The utility model relates to a desk chair technical field, concretely relates to correct desk chair.

Background

The probability of occurrence of phenomena such as myopia, humpback, lateral curvature and the like of students at present is increasing year by year, and the problems are all directly related to the sitting posture of the students during learning without exception. The above problems are caused in part by the fact that students like to bend up legs, lie on desks, or be inactive for a long time during learning.

To above-mentioned problem, there is a table chair of adjustable desktop and table chair height among the prior art, slider cooperation through a pair of slide rail and in the seat support subassembly is used, adjust the distance between seat support body and the desktop body, highly adjust desktop body and seat support body with the help of altitude mixture control subassembly simultaneously, these several coactions make the student of different heights can both adjust to the most suitable distance and the height of oneself to avoid the student to cause because of the high discomfort of table chair in the use.

Although the prior art can solve the problem of humpback of students, in the learning process, students can lean on a desk without opinions to learn or get close to books when writing or reading. The prior art can only carry out initial height adjustment according to the height of a student, but cannot correct the condition that the student is out of position in a sitting mode in the using process. Therefore, the problems of myopia, lateral curvature of the spine or humpback can still occur when the student sits in a wrong position, and the problems of the shoulder and the neck of the student can occur when the student sits for a long time and does not sit for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a correct desk chair impels the student to adjust the position of sitting, avoids the student not end of the position of sitting and the health hidden danger that causes when studying.

In order to achieve the above object, the technical solution of the present invention provides a basic solution:

the correcting desk and chair comprises a desk and a chair, and also comprises a pressure sensor for monitoring the pressure of the back of the student on the chair back, wherein the pressure sensor is arranged at the upper part of the chair back; any one desk leg of the desk is rotatably connected with a fixing column, the fixing column is used for being fixedly connected with the ground, a servo motor used for controlling the desk legs to rotate is installed at the bottom of the fixing column, a controller electrically connected with a pressure sensor is installed on the fixing column, and the controller is electrically connected with the servo motor.

The technical effect of the scheme is as follows:

1. pressure sensor sets up in the height corresponding with student's shoulder blade for detect the pressure of student's back to the back of the chair, when the student stooped back, at first just the back of the chair is left to the first half of health, and pressure sensor just can detect student's back and leave the back of the chair this moment, and pressure sensor just can make the feedback according to the signal, judges whether the student stooped back with this.

2. Any one of the desk legs of the desk is rotatably connected with a fixing column, the fixing column can be fixedly connected with the ground, and the desk can rotate by taking the desk leg provided with the fixing column as a base point. The servo motor used for controlling the table legs to rotate is installed at the bottom of the fixing column, the controller electrically connected with the pressure sensor is installed on the fixing column, and the controller is electrically connected with the servo motor.

When the pressure sensor detects that the sitting posture of the student is not correct, a signal is fed back to the controller, the controller controls the servo motor to operate, the desk legs are driven to rotate in the forward direction, the desk legs rotate in the circumferential direction for a certain angle and then stop, the desk is driven to rotate, the desktop of the desk becomes askew, and the student is reminded that the sitting posture of the student is not correct. When the student recovers the normal sitting posture, the controller controls the servo motor to drive the desk legs to rotate reversely, so that the desk recovers the original position.

Furthermore, the rest three desk legs of the desk are all provided with idler wheels which are contacted with the ground.

The three desk legs without the fixing columns are all provided with the idler wheels which are in contact with the ground, so that the friction between the desk legs and the ground when the desk moves is reduced, and the service life of the desk legs is prolonged.

Furthermore, the fixing column is hollow, the desk leg penetrates into the fixing column, and the pipe orifice of the fixing column is attached to the desk leg.

The fixed column is hollow, the desk leg penetrates into the fixed column, and the pipe opening of the fixed column is attached to the desk leg, so that the desk leg is prevented from shaking during circumferential rotation.

Furthermore, the lower half part of the chair back is provided with an arc surface which is attached to the waist of the student.

The lower half of the back of the chair is provided with an arc-shaped surface which is attached to the waist of the student, and according to the characteristics of the human body shape, when the person sits straight, the waist of the person is arc-shaped, the arc-shaped surface is attached to the waist of the student to support the waist of the person, so that the waist fatigue caused by sitting up for a long time is avoided.

Further, the surface of the arc-shaped surface is covered with a memory sponge layer.

The surface of the arc surface is covered with a memory sponge layer, and the pressure sensing and temperature sensing memory functions of the memory sponge can make a response according to the body shape, the weight and the body temperature of a student, so that the arc surface is completely attached to the human body without protruding stress points, and limb numbness, fatigue and soreness caused by long-term sitting and learning are avoided.

Furthermore, a plurality of spherical bulges are arranged on the surface of the arc-shaped surface.

The surface of arcwall face is equipped with a plurality of globular archs, bellied big or small diverse, can experience protruding pressure to its waist in the time of student's waist and arcwall face contact, relative motion takes place with the arch during student's activity, and the arch can play the effect of massage to student's waist.

Furthermore, two leg supports are vertically arranged on one side, close to the student legs, of the seat cushion of the seat, and the leg supports are used for wrapping the back sides of the student legs.

The seat cushion of seat is close to the vertical two leg supports of installing in one side of student's shank, and the leg support can be lived student's shank rear side, makes the student receive the grabbing power of leg support and is reminded when wanting to tremble the leg or raise up the leg of the two-driving-legs, can change the student and like tremble the leg or raise up the habit of the leg of the two-driving-legs.

Furthermore, a telescopic rod is connected between the leg support and the cushion.

The telescopic rod is connected between the leg support and the cushion, so that the position of the leg support can be adjusted according to the height of a user, the length of a calf and other requirements, and the leg support is suitable for more students.

Furthermore, the leg support is covered with memory sponge.

The leg support is coated with the memory sponge, so that the comfort level of the leg support when the leg support is wrapped on the lower leg is enhanced, and the memory sponge does not need to be punched, so that the air permeability and the moisture absorption required by the skin of a human body are ensured, and the memory sponge has proper heat insulation performance; the feeling is warmer in winter, and is obviously cooler than the common sponge in summer.

Furthermore, hooks are arranged on the side edges of the desk.

The side of the desk is provided with the hook, so that students can conveniently hang a schoolbag or a learning tool at the hook, and the desk can be taken conveniently and quickly.

Drawings

FIG. 1 is a schematic structural view of a correction desk and chair of the present invention;

figure 2 is a front cross-sectional view of the leg of figure 1 with the securing post.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the multifunctional chair comprises a tabletop 1, a chair back 2, a seat cushion 3, an arc-shaped surface 4, a protrusion 5, table legs 6, chair legs 7, rollers 8, fixing columns 9, a gasket 10, leg supports 11, an expansion link 12, a hook 13, a ground 14, bolts 15, a controller 16 and a servo motor 17.

The embodiment is substantially as shown in figures 1 and 2:

as shown in figure 1, the correcting desk and chair comprises a desk and a seat, wherein two pressure sensors (not shown in the figure) are arranged inside the upper side of the chair back 2 of the seat, and the two pressure sensors respectively correspond to the positions of scapulae on the left side and the right side of the back of a student. The downside of the chair back 2 is provided with the arcwall face 4 of evagination, and arcwall face 4 is laminated with the radian of human waist mutually, and arcwall face 4 is made by the memory sponge, and the surface of arcwall face 4 is equipped with the arch 5 that a plurality of size differs, plays the effect of massage to the waist. Two vertical telescopic links 12 are welded to the 3 front sides of cushion of seat, and telescopic link 12 is located between two chair legs 7, and the structure of telescopic link 12 is the same with the well stick structure of umbrella, and the lower extreme welding of telescopic link 12 has leg support 11, and the surface cladding that leg support 11 has the memory sponge, and leg support 11 is laminated with the radian of human shank rear side.

The desk comprises a desktop 1 and four cylindrical desk legs 6, a hook 13 is welded on the left side of the desktop 1, and the hook 13 is used for hanging schoolbag and school supplies for students. The lower part of the table leg 6 on the lower right side is provided with a fixing column 9, and the bottoms of the other three table legs 6 are welded with idler wheels 8; as shown in figure 2, the fixing post 9 is hollow, and the table leg 6 is inserted into the fixing post 9. Horizontal gaskets 10 are welded at the bottoms of four side walls of the fixing column 9, and the gaskets 10 are fixedly connected with the ground 14 through bolts 15. A servo motor 17 is welded inside the fixing column 9, an output shaft of the servo motor 17 is vertically located on the upper surface of the servo motor 17, the output shaft is connected with the bottom of the table leg 6 through a coupler, a controller 16 is installed on the inner wall of the left side of the fixing column 9, and the controller 16 is electrically connected with a pressure sensor of the seat.

In the specific operation:

when the back of a student is bent due to poor sitting posture, the upper side of the back leaves the chair back 2, the back of the student does not exert pressure on the pressure sensor any more at the moment, the signal receiver in the pressure sensor receives the signal and transmits the signal to the signal processor, the signal processor is electrically connected with the controller, the signal processor processes the signal and then transmits the signal to the controller 16, and the controller 16 controls the servo motor 17 to operate. The signal processor adopts an MSP430 singlechip, the pressure sensor adopts an RFP602 piezoresistive ultrathin tactile sensor, and the controller adopts an STM32F101 singlechip. The servo motor 17 drives the table legs 6 in the fixing column 9 to rotate in the forward direction, and the idler wheels 8 on the other three table legs 6 roll on the ground 14, so that the desk becomes inclined, and the student is reminded to adjust the sitting posture.

When the sitting posture of the student is recovered to the normal state, the pressure sensor senses the pressure applied to the back of the student and feeds back a signal to the signal processor, the signal processor transmits the signal to the controller 16, the controller 16 controls the servo motor 17 to drive the desk legs 6 in the fixing columns 9 to rotate reversely, and the rollers 8 on the other three desk legs 6 roll on the ground 14, so that the desk is recovered to the original position. The leg support 11 on the chair wraps the back side of the lower leg of the student, and limits bad sitting postures of the student such as leg shaking and leg lifting.

Claims

1. Correcting desk chair, including desk and seat, its characterized in that: the pressure sensor is used for monitoring the pressure of the back of the student on the chair back, and is arranged at the upper part of the chair back; any one desk leg of the desk is rotatably connected with a fixing column, the fixing column is used for being fixedly connected with the ground, a servo motor used for controlling the rotation of the desk legs is installed at the bottom of the fixing column, a controller electrically connected with a pressure sensor is installed on the fixing column, and the controller is electrically connected with the servo motor.

2. A correction desk and chair as claimed in claim 1 wherein: the rest three desk legs of the desk are provided with rollers which are contacted with the ground.

3. A correction desk and chair as claimed in claim 1 wherein: the fixing column is hollow, the table legs penetrate into the fixing column, and the pipe openings of the fixing column are attached to the table legs.

4. A correction desk and chair as claimed in claim 1 wherein: the lower half part of the chair back is provided with an arc surface which is attached to the waist of the student.

5. An orthotic desk and chair as claimed in claim 4, wherein: the surface of the arc-shaped surface is covered with a memory sponge layer.

6. An orthotic desk and chair as claimed in claim 4, wherein: the surface of the arc-shaped surface is provided with a plurality of spherical bulges.

7. A correction desk and chair as claimed in claim 1 wherein: two leg supports are vertically arranged on one side, close to the lower legs of the students, of the seat cushion of the seat, and the leg supports are used for wrapping the rear sides of the lower legs of the students.

8. An orthotic desk and chair as claimed in claim 7, wherein: and a telescopic rod is connected between the leg support and the cushion.

9. An orthotic desk and chair as claimed in claim 7, wherein: the leg support is coated with memory sponge.

10. A correction desk and chair as claimed in claim 1 wherein: the side of the desk is provided with a hook.