Learning chair capable of effectively preventing scoliosis

Abstract

The utility model relates to the field of scoliosis, in particular to a learning chair capable of effectively preventing scoliosis, and provides the following scheme aiming at the defects that in the prior art, a chair cannot be adjusted according to the condition of a user, and the user cannot keep a correct sitting posture: the learning chair comprises a cushion; the supporting legs are movably connected to the bottom of the cushion, the number of the supporting legs is four, and the supporting legs are matched with the cushion; the pressure sensors are fixedly connected to the bottoms of the supporting legs, the number of the pressure sensors is four, and the supporting legs are matched with the pressure sensors; the bottom plate is fixedly connected to the bottoms of the plurality of pressure sensors; the fixing frame is fixedly connected to one side of the cushion; the chair back is fixedly connected to the top of the fixing frame, and the chair back is matched with the cushion; the fixing mechanism is fixedly connected to one side of the supporting leg, the device can be adjusted according to the condition of a user, and the user can be ensured to have a correct sitting posture.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of scoliosis, in particular to a learning chair capable of effectively preventing scoliosis. BACKGROUND

[0002] The learning chair is an auxiliary tool used during learning. With the improvement of people's living standards, people pay more and more attention to the education of their children. In order to be talented in the future, the majority of children have heavy schoolwork, and the time of children sitting on chairs to read and write accounts for a large proportion in the learning process. Because the self-control of children is not strong, they cannot maintain a correct sitting posture for a long time like adults, which leads to myopia, humpback and even scoliosis caused by non-standard sitting posture, which are common diseases in the group of children.

[0003] The patent document with the publication number CN107692546A discloses a learning chair capable of effectively preventing scoliosis, which comprises a chair back, a chair surface and chair legs, and further comprises a waist supporting assembly matched with the curvature of human spine, a double-shoulder restraint belt and a hip restraint belt. The waist supporting assembly is movably connected with the chair back, the double-shoulder restraint belt is connected with the chair back, and the hip restraint belt is connected with the chair back or the chair surface. The learning chair for students proposed in the present application can effectively correct the learning sitting posture of students, prevent the problems such as forward leaning or lying down of children, chest and back hump, forward movement of hips, collapsed waist and lying down, scoliosis and the like, is beneficial to the healthy development of the back and spine of students, and improves the posture correction effect.

[0004] However, the above learning chair cannot adjust the chair according to the situation of the user, and cannot make the user maintain a correct sitting posture. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the shortcomings that the prior art cannot adjust the chair according to the situation of the user, and cannot make the user maintain a correct sitting posture, and provides a learning chair capable of effectively preventing scoliosis.

[0006] The learning chair capable of effectively preventing scoliosis provided by the present application adopts the following technical scheme:

[0007] The learning chair capable of effectively preventing scoliosis comprises:

[0008] A seat cushion;

[0009] Support legs movably connected to the bottom of the seat cushion, and four support legs are arranged, and the support legs and the seat cushion are matched;

[0010] Pressure sensors, fixedly connected to the bottom of the legs, and provided with four, and the legs and pressure sensors cooperate;

[0011] A bottom plate, fixedly connected to the bottom of the plurality of pressure sensors;

[0012] A fixed frame, fixedly connected to one side of the cushion;

[0013] A chair back, fixedly connected to the top of the fixed frame, and the chair back and the cushion cooperate;

[0014] A fixing mechanism, fixedly connected to one side of the leg.

[0015] Further, the fixing mechanism includes a plurality of first connecting blocks, and the plurality of first connecting blocks are respectively fixedly connected to the four legs, and one side of two of the plurality of first connecting blocks is rotatably connected to the same first fixing rod, and the first fixing rod and the leg cooperate.

[0016] Further, one end of the two first fixing rods is fixedly connected to a second connecting block, and one side of the two second connecting blocks is rotatably connected to the same second fixing rod, and the second fixing rod and the first fixing rod cooperate.

[0017] Further, the top of the chair back is fixedly connected to a connecting block, one side of the connecting block is fixedly connected to a back cushion, the inside of the chair back is provided with a recess, and both sides of the inside of the chair back are fixedly connected to a sliding rod.

[0018] Further, the inside of the cushion is provided with a deep groove, both sides of the outside of the cushion are fixedly connected to a fixed box, and the top of the two fixed boxes is fixedly connected to two motors.

[0019] Further, the inside of the fixed box is rotatably connected to a rotating shaft, both sides of the inside of the cushion are rotatably connected to two rotating rods, and one end of the rotating shaft and the rotating rod is fixedly connected to a first gear.

[0020] Further, one end of the rotating rod is fixedly connected to a screw rod, the two first gears are engaged, a screw block is threadedly connected to the screw rod, the screw block and the leg are fixedly connected, one end of the two sliding rods is fixedly connected to the same sliding block, one side of the sliding block is fixedly connected to a connecting box, the inside of the connecting box is fixedly connected to two springs, and one side of the two springs is fixedly connected to a clamping block.

[0021] Further, the inside of the chair back is provided with a plurality of clamping grooves, the clamping grooves and the clamping blocks cooperate, both sides of the inside of the sliding block are fixedly connected to a sliding rod, one end of the two sliding rods is slidably connected to a sliding block, both sides of the sliding block are fixedly connected to the same back strap, and one side of the sliding block is fixedly connected to a backrest.

[0022] To sum up, the present application includes at least one of the following beneficial technical effects:

[0023] 1. When the device needs to be used, set a numerical value in the pressure sensor, then adjust the height of the slider according to the user's condition, and then restrict the human body through the back strap, so that the backrest is in the middle of the human spine part, and physical correction is performed;

[0024] 2. When the user has an irregular sitting posture, start the motor, the output end of the motor drives the rotating shaft, the rotating shaft drives the corresponding first gear to rotate, the first gear drives another first gear to rotate, the other first gear drives the rotating rod to rotate, the rotating rod drives the screw rod to rotate, and the screw rod drives the screw block to rotate, thereby changing the length of the supporting leg, so that the device changes in angle, and the cushion is kept parallel, thereby ensuring that the user maintains the correct sitting posture. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a three-dimensional structural schematic diagram of a learning chair capable of effectively preventing scoliosis in the first embodiment of the present application;

[0026] Figure 2 is a three-dimensional structural schematic diagram of the first gear connection relationship of a learning chair capable of effectively preventing scoliosis in the first embodiment of the present application;

[0027] Figure 3 is a three-dimensional structural schematic diagram of the backrest of part of the structure of a learning chair capable of effectively preventing scoliosis in the first embodiment of the present application;

[0028] Figure 4 is a three-dimensional structural schematic diagram of the slider of part of the structure of a learning chair capable of effectively preventing scoliosis in the first embodiment of the present application.

[0029] Reference signs: 1, cushion; 2, supporting leg; 3, pressure sensor; 4, bottom plate; 5, fixed frame; 6, chair back; 7, connecting block; 8, back cushion; 9, first connecting block; 10, first fixed rod; 11, second connecting block; 12, second fixed rod; 13, fixed box; 14, motor; 15, rotating shaft; 16, rotating rod; 17, first gear; 18, screw rod; 19, screw block; 20, sliding rod; 21, sliding block; 22, connecting box; 23, clamping block; 24, sliding rod; 25, sliding block; 26, backrest. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0031] Embodiment one

[0032] Reference Figures 1-4 A learning chair capable of effectively preventing scoliosis, comprising:

[0033] A seat cushion 1;

[0034] Support legs 2 movably connected to the bottom of the seat cushion 1, and four are provided, and the support legs 2 and the seat cushion 1 cooperate;

[0035] Pressure sensors 3 fixedly connected to the bottom of the support legs 2, and four are provided, and the support legs 2 and the pressure sensors 3 cooperate;

[0036] A bottom plate 4 fixedly connected to the bottom of the plurality of pressure sensors 3;

[0037] A fixed frame 5 fixedly connected to one side of the seat cushion 1;

[0038] A chair back 6 fixedly connected to the top of the fixed frame 5, and the chair back 6 and the seat cushion 1 cooperate;

[0039] A fixing mechanism fixedly connected to one side of the support legs 2.

[0040] Specifically, the fixing mechanism comprises a plurality of first connecting blocks 9, and the plurality of first connecting blocks 9 are respectively fixedly connected with the four support legs 2, and one side of two of the plurality of first connecting blocks 9 is rotatably connected with the same first fixed rod 10, and the first fixed rod 10 and the support legs 2 cooperate.

[0041] Specifically, one end of the two first fixed rods 10 is fixedly connected with a second connecting block 11, and one side of the two second connecting blocks 11 is rotatably connected with the same second fixed rod 12, and the second fixed rod 12 and the first fixed rod 10 cooperate.

[0042] Specifically, the top of the chair back 6 is fixedly connected with a connecting block 7, one side of the connecting block 7 is fixedly connected with a back cushion 8, and the inside of the chair back 6 is provided with a recess, and both sides of the inside of the chair back 6 are fixedly connected with sliding rods 20.

[0043] Specifically, the inside of the seat cushion 1 is provided with a deep groove, and both sides of the outside of the seat cushion 1 are fixedly connected with fixed boxes 13, and the top of the two fixed boxes 13 is fixedly connected with two motors 14.

[0044] Specifically, the inside of the fixed box 13 is rotatably connected with a rotating shaft 15, and both sides of the inside of the seat cushion 1 are rotatably connected with two rotating rods 16, and one end of the rotating shaft 15 and the rotating rod 16 is fixedly connected with a first gear 17.

[0045] Specific, one end of the rotating rod 16 is fixedly connected with a screw rod 18, and the two first gears 17 are engaged, and the screw rod 18 is threadedly connected with a screw block 19, and the screw block 19 is fixedly connected with the supporting leg 2, and one end of the two slide rods 20 is fixedly connected with the same slide block 21, and one side of the slide block 21 is fixedly connected with the connecting box 22, and the inside of the connecting box 22 is fixedly connected with two springs, and one side of each of the two springs is fixedly connected with the clamping block 23.

[0046] Specific, the inside of the chair back 6 is provided with a plurality of clamping grooves, and the clamping grooves are matched with the clamping blocks 23, and the inside of the slide block 21 is fixedly connected with the slide rods 24 on both sides, and one end of each of the two slide rods 24 is slidably connected with the slide block 25, and both sides of the slide block 25 are fixedly connected with the same back strap, and one side of the slide block 21 is fixedly connected with the backrest 26.

[0047] The implementation principle of the learning seat capable of effectively preventing scoliosis is as follows: when the device needs to be used, a numerical value is set in the pressure sensor 3, and then the height of the slide block 21 is adjusted according to the user's condition, and then the human body is limited by the back strap, so that the backrest 26 is in the middle of the human spine part for physical correction, and when the sitting posture of the human body changes, if there is an irregular sitting posture, the pressure on the seat cushion 1 will change, and the change of the pressure on the side will be transmitted to the pressure sensor 3 through the corresponding supporting leg 2 at the bottom of the seat cushion 1, when adjustment is needed, the motor 14 is started, the output end of the motor 14 drives the rotating shaft 15, the rotating shaft 15 drives the corresponding first gear 17 to rotate, the first gear 17 drives the other first gear 17 to rotate, the other first gear 17 drives the rotating rod 16 to rotate, the rotating rod 16 drives the screw rod 18 to rotate, and the screw rod 18 drives the screw block 19 to rotate, so as to change the length of the supporting leg 2, so that the device changes the angle, and the seat cushion 1 remains parallel, thereby ensuring that the user maintains the correct sitting posture.

[0048] Embodiment two

[0049] The difference between the embodiment and the embodiment one is that one side of the pressure sensor 3 is fixedly connected with an alarm, when the sitting posture of the user changes, the seat cushion 1 will be offset, and the condition of the seat cushion 1 will be transmitted to the pressure sensor 3 through the supporting leg 2, when the pressure received by the pressure sensor 3 exceeds the numerical value set at the beginning, the pressure sensor 3 starts the alarm to make it give an alarm, so as to remind the user to correct the sitting posture.

[0050] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A study chair that can effectively prevent scoliosis, characterized in that: include: Seat cushion (1); The support legs (2) are movably connected to the bottom of the seat cushion (1), and four of them are provided, and the support legs (2) and the seat cushion (1) cooperate with each other; Pressure sensor (3) is fixedly connected to the bottom of the support leg (2), and four of them are provided, and the support leg (2) and pressure sensor (3) cooperate with each other; The base plate (4) is fixedly connected to the bottom of multiple pressure sensors (3); A fixing frame (5) is fixedly connected to one side of the seat cushion (1); The chair back (6) is fixedly connected to the top of the fixing frame (5), and the chair back (6) and the seat cushion (1) are matched. A fixing mechanism is fixedly connected to one side of the support leg (2).

2. The study chair according to claim 1, which can effectively prevent scoliosis, is characterized in that: The fixing mechanism includes multiple first connecting blocks (9), and the multiple first connecting blocks (9) are fixedly connected to four support legs (2) respectively. Two of the multiple first connecting blocks (9) are rotatably connected to the same first fixing rod (10) on one side, and the first fixing rod (10) cooperates with the support leg (2).

3. A study chair that can effectively prevent scoliosis according to claim 2, characterized in that: One end of each of the two first fixing rods (10) is fixedly connected to a second connecting block (11), and one side of each of the two second connecting blocks (11) is rotatably connected to the same second fixing rod (12), and the second fixing rod (12) and the first fixing rod (10) cooperate with each other.

4. A study chair that can effectively prevent scoliosis according to claim 3, characterized in that: The top of the chair back (6) is fixedly connected to a connecting block (7), and a cushion (8) is fixedly connected to one side of the connecting block (7). The interior of the chair back (6) is provided with a groove, and slide rods (20) are fixedly connected to both sides of the interior of the chair back (6).

5. A study chair that can effectively prevent scoliosis according to claim 4, characterized in that: The seat cushion (1) has a deep groove inside, and the two outer sides of the seat cushion (1) are fixedly connected to a fixing box (13), and the top of the two fixing boxes (13) are fixedly connected to two motors (14).

6. A study chair that can effectively prevent scoliosis according to claim 5, characterized in that: The fixed box (13) is rotatably connected to a rotating shaft (15), and two rotating rods (16) are rotatably connected to both sides of the inside of the cushion (1), and a first gear (17) is fixedly connected to one end of the rotating shaft (15) and the rotating rods (16).

7. A study chair that can effectively prevent scoliosis according to claim 6, characterized in that: One end of the rotating rod (16) is fixedly connected to a screw (18), and two first gears (17) mesh. A screw block (19) is threaded onto the screw (18), and the screw block (19) is fixedly connected to the support leg (2). One end of the two sliding rods (20) is fixedly connected to the same slider (21), and a connecting box (22) is fixedly connected to one side of the slider (21). Two springs are fixedly connected inside the connecting box (22), and a locking block (23) is fixedly connected to one side of each spring.

8. A study chair that can effectively prevent scoliosis according to claim 7, characterized in that: The backrest (6) is provided with multiple slots inside, and the slots and the blocks (23) cooperate. The slider (21) is fixedly connected to both sides of the inside with sliding rods (24). One end of each sliding rod (24) is slidably connected to a sliding block (25). Both sides of the sliding block (25) are fixedly connected to the same back strap. The slider (21) is fixedly connected to a backrest (26) on one side.

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