阅读说明：本技术 一种辅助儿童坐姿调整椅子 (Chair for assisting children in adjusting sitting posture ) 是由 杨飞 李文海 于 2021-07-26 设计创作，主要内容包括：本发明涉及儿童座椅技术领域,且公开了一种辅助儿童坐姿调整椅子,包括背部调整,所述背部限位机构包括固定杆,所述固定杆的外部限位连接有椅背,所述椅背的右侧限位连接有铰块,所述铰块的右侧铰接有铰杆,所述铰杆的中部铰接有连杆一,所述连杆一的底部铰接有磁动块。该辅助儿童坐姿调整椅子,儿童坐在座椅上时,身体下压座椅表面并集中在相应区域,相应区域气囊受到挤压,气体下压塞体使触点连通电阻带,电磁铁磁场变化吸引磁动块左移,铰杆向下翻转使铰块向左推动椅背接近背部,限制背部弯曲空间,坐姿调整前根据儿童身高旋转螺杆,使滑块逐渐左移,在连杆二传动下,弧形杆在扶手架限位下向上伸出,改变拦杆的纠正高度。(The invention relates to the technical field of child seats and discloses a chair for assisting in adjusting sitting postures of children, which comprises a back adjusting mechanism, wherein the back limiting mechanism comprises a fixed rod, the outer part of the fixed rod is in limiting connection with a chair back, the right side of the chair back is in limiting connection with a hinge block, the right side of the hinge block is hinged with a hinge rod, the middle part of the hinge rod is hinged with a first connecting rod, and the bottom of the first connecting rod is hinged with a magnetic moving block. This supplementary children's position of sitting adjustment chair, children sit on the seat when, the health pushes down the seat surface and concentrates on corresponding region, corresponding region gasbag receives the extrusion, gaseous plug body that pushes down makes contact intercommunication resistance area, electromagnet magnetic field variation attracts the magnetic block to move to the left, the hinge pole upset downwards makes the hinge block promote the back of the chair to be close to the back left, restriction back bending space, according to the rotatory screw rod of children's height before the position of sitting adjustment, make the slider move to the left gradually, under two transmissions of connecting rod, the arc pole upwards stretches out under the handrail frame is spacing, the change blocks correcting of pole height.)

1. The utility model provides an supplementary children's position of sitting adjustment chair, includes back adjustment (2), its characterized in that: the back limiting mechanism (2) comprises a fixed rod (201), the outer part of the fixed rod (201) is limited and connected with a chair back (202), the right side of the chair back (202) is limited and connected with a hinge block (203), the right side of the hinge block (203) is hinged with a hinge rod (204), the middle part of the hinge rod (204) is hinged with a first connecting rod (205), the bottom of the first connecting rod (205) is hinged with a magnetic moving block (206), the left end of the magnetic motion block (206) is elastically connected with a first spring (207), an electromagnet (208) is arranged on the left side of the magnetic motion block (206), a cushion block (209) is arranged on the left side of the bottom of the chair back (202), the top of the cushion block (209) is fixedly connected with an air bag (210), the interior of the cushion block (209) is movably connected with a plug body (211), the bottom of the plug body (211) is fixedly connected with a contact (212), and the cushion block (209) is provided with a resistance band (213).

2. The chair of claim 1, wherein the chair is adapted to assist in adjusting the sitting posture of the child, and further comprises: dead lever (201) symmetrical arrangement is at the front and back both ends of back of the chair (202), the right-hand member of back of the chair (202) is seted up slottedly, magnetism moves piece (206) and sets up the below at back of the chair (202), the right-hand member elastic connection of electro-magnet (208) has magnetism moves piece (206), electro-magnet (208) and contact (212) and resistance area (213) electric connection.

3. The chair of claim 1, wherein the chair is adapted to assist in adjusting the sitting posture of the child, and further comprises: the interior of the cushion block (209) is hollow, the air bags (210) are distributed on the top of the cushion block (209) at equal intervals, the air tightness between the air bags (210) and the plug body (211) is good, and the exterior of the plug body (211) is matched with the interior of the cushion block (209).

4. The chair of claim 1, wherein the chair is adapted to assist in adjusting the sitting posture of the child, and further comprises: still include chest position correction mechanism (3), chest position correction mechanism (3) are including handrail frame (31), the top of handrail frame (31) is rotated and is connected with screw rod (32), the peripheral threaded connection of screw rod (32) has slider (33), the bottom of slider (33) articulates there is connecting rod two (34), the bottom of connecting rod two (34) articulates there is arc pole (35), the top of arc pole (35) articulates there is bar (36).

5. The chair of claim 4, wherein the chair is adapted to assist in adjusting the sitting posture of the child, and further comprises: the inside limit connection in left side of handrail frame (31) has arc pole (35), handrail frame (31) are about the symmetrical arrangement of the back of the chair (202), the peripheral of screw rod (32) and the inside looks adaptation of slider (33), the bottom of slider (33) is connected with arc pole (35) through two (34) transmissions of connecting rod.

6. The chair of claim 1, wherein the chair is adapted to assist in adjusting the sitting posture of the child, and further comprises: still include seat (1), the right side fixedly connected with back stop gear (2) at seat (1) middle part, the left end fixedly connected with chest position of seat (1) corrects mechanism (3), the bottom fixedly connected with chair foot (4) of seat (1).

7. The chair of claim 6, wherein the chair further comprises: both sides fixedly connected with dead lever (201) around seat (1) right-hand member, the bottom limit of seat (1) is connected with magnetism movable block (206), the left end fixedly connected with electro-magnet (208) of seat (1), both sides fixedly connected with handrail frame (31) around seat (1) left end, the bottom fixedly connected with dead lever (201) of handrail frame (31), the middle part fixedly connected with cushion (209) of seat (1), gasbag (210) are higher than seat (1) surface height.

Technical Field

The invention relates to the technical field of child seats, in particular to a chair for assisting a child in adjusting a sitting posture.

Background

In order to facilitate the reading and writing of children, parents can purchase learning tables and chairs for children, but as the children are in the growth and development stage, the skeleton is not shaped, if the sitting posture is incorrect, the body weight can bend the spine, which can cause the phenomenon of humpback of children for a long time, the eyesight of the children can be affected by incorrect sitting posture, the existing children sitting posture correction is realized by wearing a babaka or installing a corrector on a learning desktop, but the babaka can increase the discomfort degree of the children, the desktop correcting bars can only ensure that the sitting posture correcting effect of children at a distance from the desktop is poor, the sitting posture correcting experience is reduced, and the existing equipment usually clamps the two ends of the desktop through the desktop correcting bars, its control range is less, consequently is difficult to accomplish the great children crowd of suitable height scope, and the pull rod still can cause the hindrance to writing of arm, has reduced the practicality of equipment.

In order to solve the problems, the inventor provides a chair for assisting the sitting posture adjustment of children, when a child sits on the chair, the body of the child presses the surface of the chair and concentrates on a corresponding area, an air bag in the corresponding area is extruded, air presses a plug body downwards to enable a contact to be communicated with a resistance belt, the magnetic field of an electromagnet attracts a magnetic block to move left, a hinged rod turns downwards to enable the hinged block to push a chair back to be close to the back leftwards so as to limit the bending space of the back, a screw rod is rotated according to the height of the child before the sitting posture adjustment, a sliding block moves leftwards gradually, and an arc-shaped rod extends upwards under the limit of a handrail frame under the transmission of a connecting rod II so as to change the correction height of a blocking rod.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the chair for assisting the sitting posture adjustment of the child, which has the advantages of limiting the back bending and increasing the chest correction adjustment range by correspondingly changing the chair position based on the sitting posture position, and solves the problems that the back bending space is provided by excessively large distance between the chair back and the back, and the correction range of the existing desktop correction stop rod is small.

In order to achieve the purpose of correspondingly changing the chair position based on the sitting position to limit the back bending and increase the chest correction adjusting range, the invention provides the following technical scheme: the utility model provides an auxiliary children position of sitting adjustment chair, includes back stop gear, back stop gear includes the dead lever, the outside spacing connection of dead lever has the back of the chair, the right side spacing connection of the back of the chair has the hinge piece, the right side of hinge piece articulates there is the hinge rod, the middle part of hinge rod articulates there is connecting rod one, the bottom of connecting rod one articulates there is the magnetism piece, the left end elastic connection of magnetism piece has spring one, the left side of magnetism piece is provided with the electro-magnet, the bottom left side of the back of the chair is provided with the cushion, the top fixedly connected with gasbag of cushion, the inside swing joint of cushion has the cock body, the bottom fixedly connected with contact of cock body, be provided with the resistance area of cushion.

Preferably, the dead lever symmetrical arrangement is in both ends around the back of the chair, the right-hand member of the back of the chair is seted up slottedly, the magnetism movable block sets up the below at the back of the chair, the right-hand member elastic connection of electro-magnet has the magnetism movable block, electro-magnet and contact and resistance take electric connection, change the electric current that inserts the resistance area through the contact, control the excitation of electro-magnet.

Preferably, the inside cavity of cushion, the gasbag equidistance distributes at the top of cushion, the gas tightness is good between gasbag and the cock body, the outside of cock body and the inside looks adaptation of cushion push down corresponding one side gasbag through children's position of sitting, and compressed gas makes the cock body drive the contact and pushes down.

Preferably, still include chest position correction mechanism, chest position correction mechanism includes the handrail frame, the top of handrail frame is rotated and is connected with the screw rod, the peripheral threaded connection of screw rod has the slider, the bottom of slider articulates there is connecting rod two, the bottom of connecting rod two articulates there is the arc pole, the top of arc pole articulates there is the pin.

Preferably, the inside limit in left side of handrail frame is connected with the arc pole, the handrail frame is about the symmetrical arrangement of the back of the chair, the periphery of screw rod and the inside looks adaptation of slider, the bottom of slider one is connected with the arc pole through two transmissions of connecting rod, changes the position of slider through rotatory screw rod, under two transmissions of connecting rod, makes the arc pole stretch out at the handrail frame, and then changes the restriction stop limit height.

Preferably, still include the seat, the right side fixedly connected with back stop gear at seat middle part, the left end fixedly connected with chest position of seat corrects the mechanism, the bottom fixedly connected with chair foot of seat.

Preferably, both sides fixedly connected with dead lever around the seat right-hand member, the bottom limit connection of seat has the magnetism movable block, the left end fixedly connected with electro-magnet of seat, both sides fixedly connected with handrail frame around the seat left end, the bottom fixedly connected with dead lever of handrail frame, the middle part fixedly connected with cushion of seat, the gasbag is higher than seat surface height, provides the structure basis for the position of sitting adjustment of equipment.

Advantageous effects

Compared with the prior art, the invention provides a chair for assisting a child in adjusting a sitting posture, which has the following beneficial effects:

1. this supplementary children position of sitting adjustment chair, right-hand member fixedly connected with dead lever through the seat, when children sit at the seat surface, the focus pushes down contact surface and concentrates on the subregion, corresponding regional gasbag receives the extrusion this moment, the cock body makes contact intercommunication resistance area under the gaseous pressure in the gasbag, the magnetic field intensity of control electro-magnet, the magnetomotive piece receives the attraction, move left compression spring one, the transmission of cooperation connecting rod one, make the hinge bar rotate downwards, the hinge piece promotes the back of the chair left and is close children back, restriction children back bending space, thereby reach the effect based on the corresponding change chair position in position of sitting, restriction back bending space, improve equipment's correction ability.

2. This supplementary children's position of sitting adjustment chair, left side fixedly connected with handrail frame through the seat, before the position of sitting adjustment, rotatory arc pole top rail supplies children to sit into, and according to the rotatory screw rod of children's height this moment, make the slider move to the left gradually, under the transmission of connecting rod two, the arc pole upwards stretches out under handrail frame is spacing, changes the height of correcting of rail to reach the effect that increases chest position correction control range, improve equipment's application scope.

Drawings

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

FIG. 2 is a schematic view of the chest position correction mechanism of the present invention;

FIG. 3 is a cross-sectional view of the back stop mechanism of the present invention;

FIG. 4 is a schematic view of the back stop mechanism according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3A according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 4 at B.

In the figure: 1. a seat; 2. a back limiting mechanism; 201. fixing the rod; 202. a chair back; 203. hinging the block; 204. a hinge rod; 205. a first connecting rod; 206. a magnetic motion block; 207. a first spring; 208. an electromagnet; 209. cushion blocks; 210. an air bag; 211. a plug body; 212. a contact; 213. a resistance band; 3. a chest position correcting mechanism; 31. a handrail frame; 32. a screw; 33. a slider; 34. a second connecting rod; 35. an arcuate bar; 36. a rail; 4. a chair leg.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, 3, 4, 5 and 6, an auxiliary chair for adjusting sitting posture of children comprises a back limiting mechanism 2, the back limiting mechanism 2 comprises a fixed rod 201, the outside of the fixed rod 201 is limited and connected with a chair back 202, the right side of the chair back 202 is limited and connected with a hinge block 203, the right side of the hinge block 203 is hinged with a hinge rod 204, the middle part of the hinge rod 204 is hinged with a first connecting rod 205, the bottom of the first connecting rod 205 is hinged with a magnetic block 206, the left end of the magnetic block 206 is elastically and elastically connected with a first spring 207, the left side of the magnetic block 206 is provided with an electromagnet 208, the left side of the bottom of the chair back 202 is provided with a cushion block 209, the top of the cushion block 209 is fixedly connected with an air bag 210, the inside of the cushion block 209 is movably connected with a plug body 211, the bottom of the plug body 211 is fixedly connected with a contact 212, the cushion block 209 is provided with a resistance belt 213, the fixed rods 201 are symmetrically arranged at the front and back ends and the right end of the chair back 202 is provided with a groove, the magnetic block 206 is arranged below the chair back 202, the right end of the electromagnet 208 is elastically connected with the magnetic block 206, the electromagnet 208 is electrically connected with the contact 212 and the resistance band 213, the inside of the cushion 209 is hollow, the air bags 210 are distributed on the top of the cushion 209 at equal intervals, the air tightness between the air bags 210 and the plug body 211 is good, the outside of the plug body 211 is matched with the inside of the cushion 209, the air bags 210 on the corresponding side are pressed downwards through the sitting position of a child, the plug body 211 drives the contact 212 to press downwards through compressed air, the current connected to the resistance band 213 is changed, the excitation of the electromagnet 208 is controlled, the magnetic block 206 attracts the left-moving matching connecting rod one 205 to drive the hinge rod 204 to turn leftwards, the chair back 202 moves leftwards to limit the complete space of the back of the child, the effect of correspondingly changing the chair position based on the sitting position is achieved, the bending space is limited, and the correction capability of equipment is improved.

Example two:

referring to fig. 1 and 2, a chair for assisting sitting posture adjustment of children comprises a chest position correcting mechanism 3, the chest position correcting mechanism 3 comprises a handrail frame 31, the top of the handrail frame 31 is rotatably connected with a screw 32, the periphery of the screw 32 is connected with a slide block 33 in a threaded manner, the bottom of the slide block 33 is hinged with a second connecting rod 34, the bottom of the second connecting rod 34 is hinged with an arc rod 35, the top of the arc rod 35 is hinged with a stop bar 36, the left inner part of the handrail frame 31 is connected with the arc rod 35 in a limiting manner, the handrail frame 31 is symmetrically arranged about a chair back 202, the periphery of the screw 32 is matched with the inner part of the slide block 33, the bottom of the slide block 33 is connected with the arc rod 35 through the transmission of the second connecting rod 34, the position of the slide block 33 is changed through rotating the screw 32, the arc rod 35 extends out of the handrail frame 31 under the transmission of the second connecting rod 34, so as to further change the limiting height of the stop bar 36, and achieve the effect of increasing the chest position correcting adjustment range, the application range of the equipment is improved.

Example three:

referring to fig. 1-6, an auxiliary chair for adjusting sitting posture of children comprises a seat 1, a back limiting mechanism 2 is fixedly connected to the right side of the middle portion of the seat 1, the back limiting mechanism 2 comprises a fixed rod 201, a chair back 202 is limitedly connected to the outer portion of the fixed rod 201, a hinge block 203 is limitedly connected to the right side of the chair back 202, a hinge rod 204 is hinged to the right side of the hinge block 203, a first connecting rod 205 is hinged to the middle portion of the hinge rod 204, a first magnetic moving block 206 is hinged to the bottom of the first connecting rod 205, a first spring 207 is elastically and elastically connected to the left end of the magnetic moving block 206, an electromagnet 208 is arranged on the left side of the magnetic moving block 206, a cushion block 209 is arranged on the left side of the bottom of the chair back 202, an air bag 210 is fixedly connected to the top of the cushion block 209, a plug body 211 is movably connected to the inside of the cushion block 209, a contact 212 is fixedly connected to the bottom of the plug body 211, a resistance belt 213 is arranged on the cushion block 209, the fixed rod 201 is symmetrically arranged at the front and the rear ends of the chair back 202, the right end of the chair back 202 is provided with a groove, the magnetic motion block 206 is arranged below the chair back 202, the right end of the electromagnet 208 is elastically connected with the magnetic motion block 206, the electromagnet 208 is electrically connected with a contact 212 and a resistance band 213, the inside of the cushion 209 is hollow, the air bags 210 are distributed on the top of the cushion 209 at equal intervals, the air tightness between the air bags 210 and the plug body 211 is good, the outside of the plug body 211 is matched with the inside of the cushion 209, the left end of the chair 1 is fixedly connected with a chest position correcting mechanism 3, the top of the armrest frame 31 is rotatably connected with a screw rod 32, the periphery of the screw rod 32 is in threaded connection with a sliding block 33, the bottom of the sliding block 33 is hinged with a second connecting rod 34, the bottom of the second connecting rod 34 is hinged with an arc-shaped rod 35, the top of the arc-shaped rod 36 is hinged with the top of the arc-shaped rod 35, the left inside of the armrest frame 31 is in limit connection with the arc-shaped rod 35, the armrest frame 31 is symmetrically arranged relative to the chair back 202, and the periphery of the screw rod 32 is matched with the inside of the sliding block 33, the bottom of the sliding block 33 is connected with an arc-shaped rod 35 through a second connecting rod 34 in a transmission way, the bottom end of the seat 1 is fixedly connected with a seat leg 4, the front side and the rear side of the right end of the seat 1 are fixedly connected with fixed rods 201, the bottom of the seat 1 is connected with a magnetic block 206 in a limiting way, the left end of the seat 1 is fixedly connected with an electromagnet 208, the front side and the rear side of the left end of the seat 1 are fixedly connected with an armrest frame 31, the bottom of the armrest frame 31 is fixedly connected with the fixed rods 201, the middle of the seat 1 is fixedly connected with a cushion block 209, the air bag 210 is higher than the surface height of the seat 1 to provide a structural foundation for sitting posture adjustment of equipment, the air bag 210 on one corresponding side is pressed downwards through the sitting posture position of a child, compressed air enables a plug body 211 to drive a contact 212 to be pressed downwards, current connected into a belt 213 is changed, excitation of the electromagnet 208 is controlled, the magnetic block 206 is attracted to move leftwards to be matched with the first connecting rod 205 in a transmission way to enable a hinged rod 204 to overturn leftwards, so that a back 202 of the child is moved leftwards to limit the complete space of the back of the child, reach the effect based on the corresponding chair position that changes in position of sitting posture position, restriction back crooked space, improve equipment's correction ability, before sitting into, rotatory arc pole 35 top rail 36 supplies children to sit into, and according to the rotatory adjusting screw 32 of children's actual height, make slider 33 move left gradually, under two 34 transmissions of connecting rod, make arc pole 35 stretch out at handrail frame 31, and then change restriction rail 36 limit height, reach the effect that increases chest position correction control range, improve equipment's application scope.

The working process and principle are as follows: before use, a rail 36 is hinged on the top of the arc-shaped rod 35, the rail 36 is opened by rotation to enable a child to sit on the seat 1, the armrest frame 31 is fixedly connected to the front side and the rear side of the seat 1, the top of the armrest frame 31 is rotatably connected with the screw rod 32, the periphery of the screw rod 32 is in threaded connection with the slide block 33, the bottom of the slide block 33 is hinged with the second connecting rod 34, the bottom of the second connecting rod 34 is hinged with the arc-shaped rod 35, the screw rod 32 is adjusted by rotation according to the sitting posture of the child, the slide block 33 gradually moves to the left, the arc-shaped rod 35 is gradually lifted on the left side of the armrest frame 31 under the transmission of the second connecting rod 34, the rail 36 is driven to change the chest limiting height, the rail 36 is rotated oppositely, the chest moving space is limited, the effect of increasing the chest correcting and adjusting range is achieved, the application range of the equipment is improved, when the child sits on the surface of the seat 1, the middle part of the seat 1 is fixedly connected with the cushion block 209, the top of the cushion block 209 is fixedly connected with the air bag 210, the inner part of the cushion block 209 is movably connected with a plug body 211, the air tightness between the air bag 210 and the plug body 211 is good, when a child sits on the surface of the seat 1, the gravity center presses down the contact surface and is concentrated in a partial area, at the moment, the air bag 210 in the corresponding area is squeezed, the air in the air bag 210 presses down the plug body 211 to enable a contact 212 to be communicated with a resistance belt 213, because the contact 212 is electrically connected with the resistance belt 213 and an electromagnet 208, the length of the contact 212 squeezed into the resistance belt 213 is reduced, the magnetic field intensity of the electromagnet 208 is gradually increased, because the electromagnet 208 is fixedly connected to the left side of the bottom of the seat 1, the bottom of the seat 1 is in limited connection with a magnetic block 206, the left end of the magnetic block 206 is elastically connected with a spring I207, as the magnetic field is increased, the magnetic block 206 is subjected to increased attraction force, the spring I207 is compressed to the left side, because the middle part of the magnetic block 206 is hinged with a connecting rod I205, and the other end of the connecting rod I205 is hinged to the middle part of the hinged rod 204, the magnetic motion block 206 moves left and is matched with the transmission of the first connecting rod 205 to enable the hinge rod 204 to rotate downwards, the hinge block 203 is connected to the right end of the chair back 202 in a limiting mode, the hinge rod 204 is hinged to the right side of the hinge block 203, the hinge block 203 pushes the chair back 202 to the left to be close to the back of a child along with the downward overturning of the hinge rod 204, the bending space of the back of the child is limited, the effect of correspondingly changing the position of the chair based on the sitting position is achieved, the bending space of the back is limited, and the correction capacity of the device is improved.

In summary, the fixing rod 201 is fixedly connected to the right end of the seat 1, when a child sits on the surface of the seat 1, the center of gravity presses down the contact surface and concentrates on a partial area, at this time, the airbag 210 in the corresponding area is squeezed, gas in the airbag 210 presses down the plug body 211 to enable the contact 212 to be communicated with the resistance belt 213, the magnetic field intensity of the electromagnet 208 is controlled, the magnetic motion block 206 is attracted, the compression spring I207 is moved to the left, the hinge rod 204 is rotated downwards in cooperation with the transmission of the connecting rod I205, the hinge block 203 pushes the seat back 202 to the left to be close to the back of the child, the bending space of the back of the child is limited, and therefore the effect of correspondingly changing the position of the seat based on the sitting position is achieved, the bending space of the back is limited, and the correction capability of the device is improved.

And, this supplementary children's position of sitting adjustment chair, left side fixedly connected with handrail frame 31 through seat 1, before the position of sitting adjustment, the rail 36 at rotatory arc pole 35 top supplies children to sit into, and rotatory screw rod 32 according to children's height makes slider 33 move to the left gradually this moment, under the transmission of connecting rod two 34, arc pole 35 stretches out downwards at handrail frame 31 is spacing, changes the height of correcting of rail 36 to reach the effect that increases chest position correction control range, improve equipment's application scope.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.