CN106308080A - Myopia-preventing chair for study of senior high school students - Google Patents

Abstract

The invention relates to a chair for study, in particular to a myopia-preventing chair for study of senior high school students and aims to provide a myopia-preventing chair which is used for study of the senior high school students, cannot harm eyes of the students, is high in adaptability and reasonable in design, can correct the sitting posture of the students and protect the students from myopia. In order to solve the technical problems, the myopia-preventing chair for study of the senior high school students is provided and comprises a chair plate, support legs, a rotating plate, balls, a cylinder, a rack, a bearing block, a rotating shaft, a hollow support rod, a back board, a T-shaped screw, a fixing plate, a slide rail and the like, wherein the support legs are welded at the bottom of the chair plate, the rotating plate is arranged in the chair plate, the balls are arranged uniformly on the rotating plate at intervals, and the rear side of one support leg is connected with the cylinder in a bolt connection manner. The vertical height position of an arc clamping plate is adjusted by the aid of thread holes in different vertical positions, so that the chair can adapt to the students in different heights.

Description

A kind of high school student's study myopia prevention chair

Technical field

The present invention relates to a kind of chair for learning, particularly relate to a kind of high school student's study myopia prevention chair.

Background technology

Senior middle school is the abbreviation of senior middle school, and middle school of China is divided into junior high school and senior middle school, belongs to the model of secondary education Farmland.Senior middle school is educational institution more high after China's nine-year compulsory education terminates, Shang Jie junior middle school, Xia Qi university, generally 3 years System.The senior middle school education of China refers to the education of senior high school period after junior middle school, including: regular senior secondary school, vocational high school, secondary specialized school School, vestibule school etc., belong to the category of secondary education.

Myopia is also referred to as short-sighted eye, regards the most unclear because this eye can only see near.When being in resting state, from infinity The directional light that place comes, assembled focus before retina, is the most then formed not after the dioptric system refractive power through having a look at Clearly as.

Current high school student's lessons are various, and student deals with substantial amounts of operation for a long time, and the impact on eyes is very big, student simultaneously When doing the homework, easily bow in the case of careless and do one's assignment, thus major part high school student's myopia can be caused serious, and show The device corrected defects of vision having easily eyes to student damage, each kind of groups can not be suitable for, design unreasonable, can not be complete The shortcoming of full rectifying sitting posture of student, therefore need badly a kind of not eyes to people of research and development damage, strong adaptability, reasonable in design, Can rectifying sitting posture of student, prevent high school student's study myopia prevention chair of myopia of student.

Summary of the invention

(1) to solve the technical problem that

The present invention is in order to overcome the existing device the corrected defects of vision eyes easily to student to damage, can not be suitable for respectively Kind of groups, design unreasonable, can not the shortcoming of rectifying sitting posture of student completely, the technical problem to be solved in the present invention is to provide one Not the eyes to people damage, strong adaptability, reasonable in design, can rectifying sitting posture of student, prevent the high school student of myopia of student Study myopia prevention chair.

(2) technical scheme

In order to solve above-mentioned technical problem, the invention provides such a high school student's study myopia prevention chair, bag Include seat board, supporting leg, swivel plate, ball, cylinder, tooth bar, bearing block, rotating shaft, hollow bar, backboard, T-shaped screw rod, fixed Plate, slide rail, Electric Motor Wheel, driven pulley, stay cord, slide block, fixing bar, switch, elastic component, swing arm, arc clamp and gear, seat board Bottom welding has supporting leg, is provided with swivel plate in seat board, swivel plate is evenly spaced apart be provided with ball, and the rear side of supporting leg passes through Bolted mode connects cylinder, and the mode that cylinder top is bolted connects tooth bar, has logical on rear side of seat board Hole, through hole be arranged above hollow bar, the mode that bottom hollow bar, rear and front end is bolted connects present Plate top, tooth bar is through through hole and is positioned at hollow bar, and the mode being bolted in the rear side seat board of through hole connects Having bearing block, the bearing of bearing block connects by the way of interference connects rotating shaft, and rotating shaft front end is by the way of flat key connects Being connected with swivel plate, connect the right side having gear, gear to be positioned at tooth bar in the middle part of rotating shaft by the way of flat key connects, gear is positioned at In through hole, the right-hand member of hollow bar is provided with fixed plate, and the right side of hollow bar and fixed plate all have screwed hole, hollow The right side of bar has four screwed holes, and screwed hole is provided with T-shaped screw rod, and T-shaped screw rod coordinates with screwed hole, the front side of fixed plate The mode being bolted connects slide rail, and on slide rail, slidingtype connects slide block, and the front side of slide rail is bolted Mode connects Electric Motor Wheel, and the mode that the rear side of slide rail is bolted connects driven pulley, between driven pulley and Electric Motor Wheel Connecting and have stay cord, stay cord one end is connected by the way of hook with on front side of slide block, passes through hook on rear side of the stay cord other end and slide block Mode connect, slider bottom is welded with fixing bar and elastic component, and elastic component is positioned at the front side of fixing bar, and fixing bar bottom is passed through Hinge member is hingedly connected with swing arm, is connected with elastic component on rear side of swing arm by the way of welding, and swing arm bottom is welded Having arc clamp, the front side of slide block connects by the way of screw switch, and switch and cylinder have connection.

Preferably, also include sponge, inside arc clamp, be bonded with sponge.

Preferably, also including medicated cushion, seat board top is placed with medicated cushion.

Preferably, elastic component is spring.

Preferably, stay cord is steel wire rope.

Preferably, seat board top and swivel plate top are in same level position.

Operation principle: when to use this device to carry out rectifying sitting posture of student, when preventing myopia of student, student is first sitting in seat On plate, then turn T-shaped screw rod, make fixed plate and hollow bar no longer fix, then choose spiral shell suitable in hollow bar Pit, then the screwed hole in fixed plate is corresponding thereto, turns T-shaped screw rod, and fixed plate be fixed in hollow bar is suitable Work as position, the screwed hole of such differing heights can according to the position of student's altitude mixture control arc clamp, make arc clamp just with The forehead of student is in same level position, then controls Electric Motor Wheel and rotates clockwise or counterclockwise, Electric Motor Wheel clockwise or Person rotates counterclockwise and drives driven pulley to rotate clockwise or counterclockwise by stay cord, and stay cord pulls slide block to move forward and backward, and makes solid Fixed pole, swing arm and arc clamp are movable, and so position before and after regulation arc clamp, makes arc clamp be located just at volume The front side of head, and arc clamp contacts with student's forehead, after regulating, closedown Electric Motor Wheel.When student is doing the homework, the head of student The most conscious the lowest time, the forehead of student can touch arc clamp, make below swing arm bottom and arc clamp forward side revolve Turn, owing to being hingedly connected on fixing bar by hinge member in the middle part of swing arm, so rotating below the forward side of swing arm bottom Making swing arm top rotate above to rear side, elastic component compresses, and swing arm top impacts switch, now cylinder elongation, drives Tooth bar moves upward, and the tooth bar driven gear that moves upward rotates clockwise, and gear rotates clockwise drive rotating shaft and swivel plate is suitable Hour hands rotate, during the ball moving on swivel plate to top, student has then been sitting on ball, student can feel seat place Uneven, may feel that uncomfortable to a certain extent, thus remind student to need to stand up, thus correct student and sit Appearance, prevents myopia of student.When ball is positioned at below swivel plate, now standing up, forehead no longer makes arc clamp forward side Lower section rotates, and elastic component rebounds, and swing arm top no longer impacts switch, and now cylinder stops elongation.When being no longer necessary to use During this device, controlling Electric Motor Wheel opposite direction and rotate, driven pulley opposite direction rotates, and slide block resets, and makes fixing bar, swing arm and arc Card sheet reset, arc clamp leaves seat board away from the front side of forehead, student.

Because also including sponge, inside arc clamp, it is bonded with sponge, so sponge can protect the forehead of student, with Shi Haimian has certain cushion space, and forehead can be made to have certain range of activity.

Because also including medicated cushion, seat board top is placed with medicated cushion, so being sitting on medicated cushion, people can be made to feel comfortably cool, as This suitability improving device to a certain extent and comfort level.

Because elastic component is spring, the drawing effect of device is more preferable.

Because stay cord is steel wire rope, the ability to bear of steel wire rope is big, so stay cord is the use that steel wire rope can make device Life-span is longer.

(3) beneficial effect

The present invention utilize the screwed hole of upper and lower diverse location to regulate the upper-lower height position of arc clamp so that device Can adapt to the student of differing heights, then utilize ball to roll and make student feel the local difference sat, thus remind Raw needs are sat straight, reach simultaneously not eyes to people damage, strong adaptability, reasonable in design, can rectifying sitting posture of student, prevent The effect of myopia of student.

Accompanying drawing explanation

Fig. 1 is the main TV structure schematic diagram of the present invention.

Fig. 2 is the first right TV structure schematic diagram of the present invention.

Fig. 3 is the first plan structure schematic diagram of arc clamp of the present invention.

Fig. 4 is the second plan structure schematic diagram of arc clamp of the present invention.

Fig. 5 is the second right TV structure schematic diagram of the present invention.

Being labeled as in accompanying drawing: 1-seat board, 2-supporting leg, 3-swivel plate, 4-ball, 5-through hole, 6-cylinder, 7-tooth bar, 8- Bearing block, 9-rotating shaft, 10-hollow bar, 11-screwed hole, 12-backboard, 13-T type screw rod, 14-fixed plate, 15-slide rail, 16-Electric Motor Wheel, 17-driven pulley, 18-stay cord, 19-slide block, 20-fixes bar, and 21-switchs, 22-elastic component, 23-swing arm, 24- Arc clamp, 25-gear, 26-sponge, 27-medicated cushion.

Detailed description of the invention

The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.

Embodiment 1

A kind of high school student learns, with myopia prevention chair, as Figure 1-5, to include seat board 1, supporting leg 2, swivel plate 3, rolling Pearl 4, cylinder 6, tooth bar 7, bearing block 8, rotating shaft 9, hollow bar 10, backboard 12, T-shaped screw rod 13, fixed plate 14, slide rail 15, Electric Motor Wheel 16, driven pulley 17, stay cord 18, slide block 19, fixing bar 20, switch 21, elastic component 22, swing arm 23, arc clamp 24 With gear 25, seat board 1 bottom welding has supporting leg 2, is provided with swivel plate 3, swivel plate 3 is evenly spaced apart to be provided with in seat board 1 Ball 4, the mode that the rear side of supporting leg 2 is bolted connects cylinder 6, and the mode that cylinder 6 top is bolted is even Be connected to tooth bar 7, on rear side of seat board 1, have through hole 5, through hole 5 be arranged above hollow bar 10, bottom hollow bar 10 before and after The mode that two ends are bolted is connected to seat board 1 top, and tooth bar 7 is through through hole 5 and is positioned at hollow bar 10, through hole The mode being bolted in the rear side seat board 1 of 5 connects bearing block 8, and the bearing of bearing block 8 is by the way of interference connects Connecting and have rotating shaft 9, rotating shaft 9 front end is connected with swivel plate 3 by the way of flat key connects, and is connected by flat key in the middle part of rotating shaft 9 Mode connects gear 25, and gear 25 is positioned at the right side of tooth bar 7, and gear 25 is positioned at through hole 5, and the right-hand member of hollow bar 10 is arranged Having fixed plate 14, the right side of hollow bar 10 and fixed plate 14 all have screwed hole 11, the right side of hollow bar 10 has four Individual screwed hole 11, screwed hole 11 is provided with T-shaped screw rod 13, and T-shaped screw rod 13 coordinates with screwed hole 11, and the front side of fixed plate 14 leads to Crossing bolted mode to connect and have slide rail 15, on slide rail 15, slidingtype connects has slide block 19, the front side of slide rail 15 to pass through bolt The mode connected connects Electric Motor Wheel 16, and the mode that the rear side of slide rail 15 is bolted connects driven pulley 17, driven pulley Being connected between 17 with Electric Motor Wheel 16 and have stay cord 18, stay cord 18 one end is connected by the way of hook with on front side of slide block 19, stay cord 18 The other end is connected by the way of hook with on rear side of slide block 19, and slide block 19 bottom welding has fixing bar 20 and elastic component 22, elastic Part 22 is positioned at the front side of fixing bar 20, and fixing bar 20 bottom is hingedly connected with swing arm 23 by hinge member, after swing arm 23 Side is connected with elastic component 22 by the way of welding, and swing arm 23 bottom is welded with arc clamp 24, and the front side of slide block 19 is passed through The mode of screw connects switch 21, and switch 21 and cylinder 6 have connection.

Also include sponge 26, inside arc clamp 24, be bonded with sponge 26.

Also including medicated cushion 27, seat board 1 top is placed with medicated cushion 27.

Elastic component 22 is spring.

Stay cord 18 is steel wire rope.

Seat board 1 top and swivel plate 3 top are in same level position.

Operation principle: when to use this device to carry out rectifying sitting posture of student, when preventing myopia of student, student is first sitting in seat On plate 1, then turn T-shaped screw rod 13, make fixed plate 14 and hollow bar 10 no longer fix, then choose in hollow bar 10 Suitable screwed hole 11, then the screwed hole 11 in fixed plate 14 is corresponding thereto, turns T-shaped screw rod 13, by solid for fixed plate 14 Being scheduled on the appropriate location in hollow bar 10, the screwed hole 11 of such differing heights can be according to student's altitude mixture control arc clamp 24 Position, make the arc clamp 24 forehead just with student be in same level position, then control Electric Motor Wheel 16 clockwise or Person rotates counterclockwise, and Electric Motor Wheel 16 rotates clockwise or counterclockwise and drives driven pulley 17 clockwise or the inverse time by stay cord 18 Pin rotates, and stay cord 18 pulls slide block 19 to move forward and backward, and makes fixing bar 20, swing arm 23 and arc clamp 24 move forward and backward, so Position before and after regulation arc clamp 24, makes arc clamp 24 be located just at the front side of forehead, and arc clamp 24 and student's volume Head contact, after regulating, closes Electric Motor Wheel 16.When student is doing the homework, the head of student the most conscious the lowest time, the forehead of student Arc clamp 24 can be touched, make to rotate, in the middle part of swing arm 23 below swing arm 23 bottom and arc clamp 24 forward side Being hingedly connected on fixing bar 20 by hinge member, making swing arm 23 top so rotating below the forward side of swing arm 23 bottom Rotating above to rear side, elastic component 22 compresses, and swing arm 23 top impacts switch 21, and now cylinder 6 extends, band carry-over bar 7 Moving upward, tooth bar 7 driven gear 25 that moves upward rotates clockwise, and gear 25 rotates clockwise drive rotating shaft 9 and swivel plate 3 Rotating clockwise, when the ball 4 on swivel plate 3 moves to top, student has then been sitting on ball 4, and student can feel seat Place uneven, may feel that uncomfortable to a certain extent, thus remind student to need to stand up, thus orthetics Raw sitting posture, prevents myopia of student.When ball 4 is positioned at below swivel plate 3, now standing up, forehead no longer makes arc clamp Rotating below 24 forward side, elastic component 22 rebounds, and swing arm 23 top no longer impacts switch 21, and now cylinder 6 stops elongation. When being no longer necessary to use this device, controlling Electric Motor Wheel 16 opposite direction and rotate, driven pulley 17 opposite direction rotates, and slide block 19 resets, Making fixing bar 20, swing arm 23 and arc clamp 24 reset, arc clamp 24 is away from the front side of forehead, and student leaves seat board 1 i.e. Can.

Because also including sponge 26, inside arc clamp 24, it is bonded with sponge 26, so sponge 26 can protect student Forehead, sponge 26 has certain cushion space simultaneously, and forehead can be made to have certain range of activity.

Because also including medicated cushion 27, seat board 1 top is placed with medicated cushion 27, so being sitting on medicated cushion 27, people can be made to feel Comfortable, improve the suitability and the comfort level of device the most to a certain extent.

Because elastic component 22 is spring, the drawing effect of device is more preferable.

Because stay cord 18 is steel wire rope, the ability to bear of steel wire rope is big, so stay cord 18 can make device for steel wire rope Service life is longer.

Embodiment described above only have expressed the preferred embodiment of the present invention, and it describes more concrete and detailed, but also Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art For, without departing from the inventive concept of the premise, it is also possible to making some deformation, improve and substitute, these broadly fall into this Bright protection domain.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (6)

1. a high school student learns with myopia prevention chair, it is characterised in that include seat board (1), supporting leg (2), swivel plate (3), ball (4), cylinder (6), tooth bar (7), bearing block (8), rotating shaft (9), hollow bar (10), backboard (12), T-shaped screw rod (13), fixed plate (14), slide rail (15), Electric Motor Wheel (16), driven pulley (17), stay cord (18), slide block (19), fixing bar (20), Switch (21), elastic component (22), swing arm (23), arc clamp (24) and gear (25), seat board (1) bottom welding has supporting leg (2), in seat board (1), it is provided with swivel plate (3), swivel plate (3) is evenly spaced apart be provided with ball (4), the rear side of supporting leg (2) The mode being bolted connects cylinder (6), and the mode that cylinder (6) top is bolted connects tooth bar (7), seat Plate (1) rear side has through hole (5), through hole (5) be arranged above hollow bar (10), before and after hollow bar (10) bottom two The mode that end is bolted is connected to seat board (1) top, and tooth bar (7) is through through hole (5) and is positioned at hollow bar (10) In, the mode being bolted in the rear side seat board (1) of through hole (5) connects bearing block (8), and the bearing of bearing block (8) leads to The mode that interference connects connects rotating shaft (9), and rotating shaft (9) front end is connected with swivel plate (3) by the way of flat key connects, and turns Axle (9) middle part connects by the way of flat key connects gear (25), and gear (25) is positioned at the right side of tooth bar (7), gear (25) Being positioned at through hole (5), the right-hand member of hollow bar (10) is provided with fixed plate (14), the right side of hollow bar (10) and fixed plate (14) all having screwed hole (11) on, the right side of hollow bar (10) has four screwed holes (11), and screwed hole (11) is upper to be arranged T-shaped screw rod (13), T-shaped screw rod (13) is had to coordinate with screwed hole (11), the mode that the front side of fixed plate (14) is bolted Connecting and have slide rail (15), the upper slidingtype of slide rail (15) connects slide block (19), the side that the front side of slide rail (15) is bolted Formula connects Electric Motor Wheel (16), and the mode that the rear side of slide rail (15) is bolted connects driven pulley (17), driven pulley (17) having stay cord (18) with being connected between Electric Motor Wheel (16), stay cord (18) one end connects by the way of hook with slide block (19) front side Connecing, stay cord (18) other end is connected by the way of hook with slide block (19) rear side, and slide block (19) bottom welding has fixing bar And elastic component (22) (20), elastic component (22) is positioned at the front side of fixing bar (20), and fixing bar (20) bottom is cut with scissors by hinge member Being connected to swing arm (23) in succession, swing arm (23) rear side is connected with elastic component (22) by the way of welding, swing arm (23) end End is welded with arc clamp (24), and the front side of slide block (19) connects by the way of screw switch (21), switchs (21) and gas Cylinder (6) has connection.

A kind of high school student the most according to claim 1 learns with myopia prevention chair, it is characterised in that also include sponge (26), arc clamp (24) inner side is bonded with sponge (26).

A kind of high school student the most according to claim 1 learns with myopia prevention chair, it is characterised in that also include medicated cushion (27), seat board (1) top is placed with medicated cushion (27).

A kind of high school student the most according to claim 1 learns with myopia prevention chair, it is characterised in that elastic component (22) is Spring.

A kind of high school student the most according to claim 1 learns with myopia prevention chair, it is characterised in that stay cord (18) is steel Cord.

A kind of high school student the most according to claim 1 learns with myopia prevention chair, it is characterised in that seat board (1) top It is in same level position with swivel plate (3) top.