CN209769706U - Adjustable humpback-preventing student chair - Google Patents

Abstract

The utility model discloses a hunchback student's seat is prevented to adjustability: the pressure sensing structure comprises an inductor, a first extrusion plate and a second extrusion plate, wherein an induction cavity is arranged in the chair back, the inductor is arranged on the rear surface wall in the induction cavity in a protruding manner, the second extrusion plate is over against the induction end of the inductor and is elastically arranged in the induction cavity, the first extrusion plate is connected with the second extrusion plate through a connecting column, and the first extrusion plate is arranged on the front surface of the chair back in a protruding manner; the vibration device is arranged below the seat plate, and a vibration motor inside the vibration device is fixedly arranged on the lower surface of the seat plate; and the signal output end of the inductor is connected with the signal input end of the vibration motor. The utility model discloses a human position of sitting condition is monitored to the inductor, is reminding and warning through shock dynamo vibrations, can effectively prevent that student hunchback, myopia from producing.

Description

Adjustable humpback-preventing student chair

Technical Field

The utility model relates to a student's seat field especially relates to a hunchback student's seat is prevented to adjustability.

Background

At present, education is more and more emphasized, most of the time is to study by sitting on seats in classrooms, and the hunchback and the myopia of students are easily caused because the sitting postures of the students are not standard. In order to avoid humpback and myopia of students, the existing student chair with the chair back regulates sitting postures by leaning on the chair back at the back of the student, so that humpback is avoided; however, as students are heavy in academic industry, the backs of the students leave the chair backs unconsciously, and the chair cannot play a role in reminding and warning.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides an adjustable humpback-proof student chair which can solve the problems.

The technical scheme is as follows: in order to achieve the above object, the utility model discloses a hunchback student's seat is prevented to adjustability: the pressure sensing structure comprises an inductor, a first extrusion plate and a second extrusion plate, wherein an induction cavity is arranged in the chair back, the inductor is arranged on the rear surface wall in the induction cavity in a protruding manner, the second extrusion plate is over against the induction end of the inductor and is elastically arranged in the induction cavity, the first extrusion plate is connected with the second extrusion plate through a connecting column, and the first extrusion plate is arranged on the front surface of the chair back in a protruding manner; the first extrusion plate is extruded by the back of a human body, the second extrusion plate is arranged on the induction end of the inductor in a pressing mode, the seat plate is further included, a vibration device is arranged below the seat plate, and a vibration motor inside the vibration device is fixedly arranged on the lower surface of the seat plate; the signal output end of the inductor is connected with the signal input end of the vibration motor; the back of the student leaves the chair back through the response of inductor, and the inductor transmits the electrical signal for shock dynamo, and shock dynamo vibrations remind the student to adjust the correct position of sitting.

Furthermore, a neck leaning area, a chest leaning area and a waist leaning area are sequentially arranged on the front surface of the chair back from top to bottom, the neck leaning area, the chest leaning area and the waist leaning area are connected in a smooth transition mode, the neck leaning area and the waist leaning area are outwards protruded in an arc curved surface mode, and the chest leaning area is inwards sunken in an arc curved surface mode; and pressure induction structures are respectively arranged in the middle parts of the neck leaning area, the chest leaning area and the waist leaning area. Through being provided with neck leaning area, chest leaning area and waist leaning area and more accord with human back natural curve, make the student lean on more comfortable on the back of the chair, also be favorable to student's back skeleton normal growth simultaneously.

Furthermore, the anti-skidding stripes are obliquely arranged on the upper surface of the seat plate and are gathered from the two sides of the rear end of the seat plate to the center of the front end of the seat plate, and the anti-skidding stripes can prevent the body of a student from sliding forwards after the student sits for a long time, so that the student can keep the correct sitting posture.

Furthermore, liftable chair legs are arranged on two sides below the seat plate, supporting chair legs are arranged below the chair legs, and two ends of the chair legs are respectively sleeved with a grounding sleeve pad; two ends of the bottom in the chair leg are respectively fixedly provided with a balance weight block through bolts; the balance weight block is arranged in the chair leg, so that the gravity center of the chair is reduced, the stability of the chair is enhanced, and the chair is not easy to topple.

has the advantages that: the utility model discloses an adjustable prevents hunchback student's seat is through being provided with the inductor in the seat back of the chair, extrudees first stripper plate and second stripper plate through human back, makes the inductor sense pressure and surveys human position of sitting, has just left the back of the chair when human back is crooked, and the inductor can not respond to pressure this moment, and the shock dynamo vibrations seat reminds the student to pay attention to adjusting the position of sitting; the neck leaning area, the chest leaning area and the waist leaning area are arranged on the chair back to accord with the natural curve of the back of a human body, so that students can lean on the chair back more comfortably, and the back skeleton of the students can grow normally; the balance weight blocks are arranged in the legs of the desk and chair, so that the gravity center of the chair is reduced, the stability of the chair is enhanced, and the chair is not prone to toppling.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the pressure sensing structure inside the chair back of the present invention;

Fig. 3 is a schematic view of the chair leg structure of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

An adjustable humpback-preventing student chair as shown in figures 1-3: the chair comprises a chair back 1, wherein a neck leaning area 11, a chest leaning area 12 and a waist leaning area 13 are sequentially arranged on the front surface of the chair back 1 from top to bottom, the neck leaning area 11, the chest leaning area 12 and the waist leaning area 13 are in smooth transition connection, the neck leaning area 11 and the waist leaning area 13 are in arc curved surfaces and protrude outwards, the chest leaning area 12 is in arc curved surfaces and sinks inwards, the surface of the chair back 1 is more in line with the physiological curve of the back of a human body, a student leans on the chair back 1 more comfortably, and the normal growth of the back bone of the student is facilitated; the middle parts of the neck leaning area 11, the chest leaning area 12 and the waist leaning area 13 are respectively provided with a pressure sensing structure 14, so that the sensing structure 14 can monitor the sitting posture states of the neck, the chest and the waist of a human body, and the monitoring result is more accurate. A pressure sensing structure 14 is arranged in the chair back 1, the pressure sensing structure 14 comprises an inductor 141, a first extrusion plate 142 and a second extrusion plate 143, an induction cavity 10 is arranged in the chair back 1, the inductor 141 is arranged on the rear surface wall in the induction cavity 10 in a protruding manner, the inductor 141 is arranged in the chair back 1, the effect of protecting the inductor 141 can be achieved, and the inductor 141 is prevented from being directly arranged on the surface of the chair back 141 and easily causing damage to the inductor 141; the second extrusion plate 143 faces the sensing end of the sensor 141 and is elastically arranged in the sensing cavity 10, the first extrusion plate 142 is connected with the second extrusion plate 143 through a connecting column, and the first extrusion plate 142 is protrudingly arranged on the front surface of the chair back 1, so that when the back of a human body leans against the chair back 1, the first extrusion plate 142 is firstly extruded into the chair back 1, and the second extrusion plate 143 is extruded on the sensing end of the sensor 141; the seat is characterized by further comprising a seat plate 2, wherein a vibration device 5 is arranged below the seat plate 2, and a vibration motor inside the vibration device 5 is fixedly arranged on the lower surface of the seat plate 2; the signal output end of the inductor 141 is connected with the signal input end of the vibration motor, a mobile power supply is arranged in the table and chair and used for supplying power to the inductor 141 and the vibration motor, and a switch is arranged and used for controlling whether the inductor 141 and the vibration motor work or not; when the sitting posture of the student is standard and the back of the student leans against the chair back 1, the first extrusion plate 142 is extruded towards the interior of the chair back 1, the second extrusion plate 143 is pressed on the sensing end of the sensor 141, and at the moment, the sensor 141 senses the pressure, and the vibration motor does not work; when the back of the human body leaves the chair back 1, the second extrusion plate 143 leaves the sensing end of the sensor 141 due to the spring action, the sensor 141 cannot sense the pressure, at the moment, the sensor 141 transmits an electric signal to the vibration motor, and the vibration motor drives the seat plate 2 to vibrate to remind students of adjusting the sitting posture to the standard.

the upper surface slope of seat 2 is provided with anti-skidding stripe 21, and anti-skidding stripe 21 gathers together the setting to seat 2 front end central authorities by 2 rear end both sides of seat, and anti-skidding stripe 21 can strengthen the resistance between human buttock and the seat 2, can effectively prevent the health to slide forward on the seat and lead to the position of sitting not standard.

Liftable chair legs 3 are arranged on two sides below the seat plate 2, and the chair can be adjusted to reach a proper height by lifting and adjusting the chair legs, so that humpback and myopia caused by irregular sitting posture of students due to over-high or over-low chair can be avoided; the supporting chair legs 4 are arranged below the chair legs 3, the two ends of the chair legs 4 are respectively sleeved with a grounding sleeve pad 41, the grounding sleeve pads 41 can prevent the chair legs from directly contacting with the ground, and the function of protecting the chair legs is achieved; the two ends of the bottom in the chair leg 4 are respectively provided with a balance weight 42 through bolt fixation, and the balance weight 42 reduces the gravity center of the chair, thereby being beneficial to enhancing the stability of the chair and ensuring that the chair is not easy to topple.

The above description is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (4)

1. The utility model provides a hunchback student's seat is prevented to adjustability which characterized in that: the pressure sensing structure comprises a chair back (1), wherein a pressure sensing structure (14) is arranged in the chair back (1), the pressure sensing structure (14) comprises an inductor (141), a first extrusion plate (142) and a second extrusion plate (143), an induction cavity (10) is arranged in the chair back (1), the inductor (141) is arranged on the inner back surface wall of the induction cavity (10) in a protruding mode, the second extrusion plate (143) is just opposite to the induction end of the inductor (141) and is elastically arranged in the induction cavity (10), the first extrusion plate (142) is connected with the second extrusion plate (143) through a connecting column, and the first extrusion plate (142) is arranged on the front surface of the chair back (1) in a protruding mode; the first extrusion plate (142) is extruded by the back of the human body, and the second extrusion plate (143) is pressed on the induction end of the inductor (141);

the seat is characterized by further comprising a seat plate (2), wherein a vibration device (5) is arranged below the seat plate (2), and a vibration motor inside the vibration device (5) is fixedly arranged on the lower surface of the seat plate (2); and the signal output end of the inductor (141) is connected with the signal input end of the vibration motor.

2. The adjustable humpback-preventing student chair of claim 1, wherein: the front surface of the chair back (1) is sequentially provided with a neck leaning region (11), a chest leaning region (12) and a waist leaning region (13) from top to bottom, the neck leaning region (11), the chest leaning region (12) and the waist leaning region (13) are in smooth transition connection, the neck leaning region (11) and the waist leaning region (13) are in arc curved surfaces and protrude outwards, and the chest leaning region (12) is in arc curved surfaces and is sunken inwards; and pressure sensing structures (14) are respectively arranged in the middle parts of the neck leaning area (11), the chest leaning area (12) and the waist leaning area (13).

3. The adjustable humpback-preventing student chair of claim 1, wherein: the upper surface of the seat plate (2) is obliquely provided with anti-skid stripes (21), and the anti-skid stripes (21) are gathered from the two sides of the rear end of the seat plate (2) to the center of the front end of the seat plate (2).

4. The adjustable humpback-preventing student chair of claim 1, wherein: liftable chair legs (3) are arranged on two sides below the seat plate (2), supporting chair legs (4) are arranged below the chair legs (3), and two ends of each chair leg (4) are respectively sleeved with a grounding sleeve pad (41); and two ends of the bottom in the chair leg (4) are respectively fixedly provided with a balance weight (42) through bolts.