CN113693377B

CN113693377B - Literacy device for family education of children

Info

Publication number: CN113693377B
Application number: CN202110947833.9A
Authority: CN
Inventors: 陈敏; 陈汶泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2023-02-07
Anticipated expiration: 2041-08-18
Also published as: CN113693377A

Abstract

The invention discloses a literacy device for family education of children, which comprises a multi-stage rotary laminating type clamping device, a low gravity center type anti-toppling seat device, a quick erasing type eye protection literacy device and a lifting adjustable table board. The invention belongs to the technical field of children education, and particularly provides a sit-up type learning mode capable of avoiding sit-up in a creative mode based on an angle that children are protected from sit-up in a short time during education.

Description

Literacy device for family education of children

Technical Field

The invention relates to the technical field of children education, in particular to a literacy device for family education of children.

Background

In the process of children's growth, education and intelligence development of children are very important links in the process, and among them, family education is particularly important for children's growth.

In the process of family education to children, a literacy device is generally used, and the prior literacy device has the following defects when in use: 1. the fast cleaning of the learned characters can not be carried out, so that a great deal of time is consumed for cleaning the characters, the problem that the character learning device is low in use efficiency is caused, and the practicability of the character learning device is greatly reduced; 2. because the attention of the children is not easy to concentrate, when the learning videos or learning materials need to be watched by using a mobile phone, the clamping effect of the general clamping device is not good, and the children do not have learning interest; 3. because the body of the child is not completely developed, when the child listens, explains or writes for a long time, the child is damaged to the health and development growth of the child by sitting for a long time, and the child forgets the learning knowledge quickly due to fatigue caused by sitting for a long time.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the invention provides a supine type learning mode capable of avoiding sedentary sitting when children are protected from education, a pressure trigger is triggered after supine lying, a counter weight body moves from top to bottom, weight is compensated into a counter weight bearing cavity, stability of a low-gravity-center seat is better improved, stability, safety and comfort of children are guaranteed, the effect that the gravity is more stable as the gravity is lower is achieved, the multistage rotary attaching type clamping device is very high in flexibility, all stages of clamping pieces can automatically rotate to attach the surface of equipment and achieve the effect of stabilizing the equipment after a sliding type attaching clamping assembly is close to the clamping pieces according to the external shape of the learning equipment to be clamped, learning of children can be induced while attention of the children is effectively attracted, and meanwhile, the use efficiency of the educational character learning device for children family education can be improved.

The technical scheme adopted by the invention is as follows: the invention relates to a literacy device for family education of children, which comprises a multi-stage rotary attaching clamping device, a low gravity center type anti-falling seat device, a quick erasing type eye protection literacy device and a lifting adjustable table, wherein the lifting adjustable table is connected with the quick erasing type eye protection device; multistage rotatory laminating formula clamping device is including supporting the vertical pole, rotatory curved surface platform, fixed laminating centre gripping subassembly, slidingtype laminating centre gripping subassembly and slope a platform, it is vertical form connection to support the vertical pole and locates on one side of low gravity center formula anti-overturning seat device, the top of supporting the vertical pole is located in the connection of rotatory curved surface platform, the slope is a platform and is slope in the horizontal plane setting, just the slope is connected on one side of locating rotatory curved surface platform, fixed laminating centre gripping subassembly swivelling joint is located on one side that the slope is close to rotatory curved surface platform, slidingtype laminating centre gripping subassembly swivelling joint is located on the opposite side of slope a platform.

Further, the fixed type laminating clamping assembly comprises a first-stage clamping piece, a second-stage clamping piece, a third-stage clamping piece, a fourth-stage clamping piece, a rotating connecting shaft and a clamping plate, the rotating connecting shaft is rotatably connected to one side of the inclined supporting platform, the first-stage clamping piece, the second-stage clamping piece, the third-stage clamping piece and the fourth-stage clamping piece are all arranged in a semicircular disc shape, the diameters of the first-stage clamping piece, the second-stage clamping piece, the third-stage clamping piece and the fourth-stage clamping piece are gradually reduced, the first-stage clamping piece is connected with the rotating connecting shaft, a second-stage rotating groove is formed in one end of the diameter of the first-stage clamping piece, the second-stage clamping piece is rotatably connected to the second-stage rotating groove, a third-stage rotating groove is formed in one end of the diameter of the second-stage clamping piece, the third-stage clamping piece is rotatably connected to the third-stage rotating groove, and a fourth-stage rotating groove is formed in one end of the diameter of the third-stage clamping piece, the four-stage clamping piece is rotatably connected and arranged in a four-stage rotating groove, preferably, the two-stage rotating groove is provided with two groups, the two groups of two-stage rotating grooves are uniformly arranged on two sides of the diameter end of the one-stage clamping piece, the two groups of two-stage clamping pieces are respectively arranged in two groups of two-stage rotating grooves, the three-stage rotating groove is uniformly provided with two groups, correspondingly, the three-stage clamping piece is provided with four groups, the four groups of three-stage clamping pieces are respectively arranged in three-stage rotating grooves of the two groups of two-stage clamping pieces, the four-stage rotating groove is symmetrically provided with two groups on the three-stage clamping piece, the four-stage clamping piece is provided with eight groups, the eight groups of four-stage clamping pieces are respectively arranged in four-stage rotating grooves of the four groups of three-stage clamping pieces, the clamping plate is connected and arranged at one end of the diameter of the four-stage clamping piece, and the arc inner wall of the two-stage rotating groove and the arc outer wall of the two-stage clamping piece are provided with matched grooves and cams, the circular arc inner wall of tertiary swivelling chute and the circular arc outer wall of tertiary holder are equipped with assorted recess and cam, the circular arc inner wall of level four swivelling chute and the circular arc outer wall of level four holder are equipped with assorted recess and cam, slidingtype laminating centre gripping subassembly is the same with the structure of fixed laminating centre gripping subassembly, the function is the same, slidingtype laminating centre gripping subassembly is located on the opposite side that the slope was propped up the platform, the slope is propped up the bench and has been seted up the sliding tray, the bottom of sliding tray is equipped with the sliding screw, slidingtype laminating centre gripping subassembly bottom is equipped with the slip cap, the top of slip cap is located to the swivelling joint axle of slidingtype laminating centre gripping subassembly, slidingtype laminating centre gripping subassembly passes through the slip cap and realizes sliding screw's relation of sliding connection, and slidingtype laminating centre gripping subassembly slides along the sliding tray.

Furthermore, the low gravity center type anti-toppling seat device comprises an elastic seat, a low gravity center seat and an induction type counterweight component, wherein the low gravity center seat is arranged on the elastic seat in a sliding manner, the induction type counterweight component is connected and arranged below the low gravity center seat, the induction type counterweight component is arranged between the elastic seat, the elastic seat comprises an upper support, a lower support, a longitudinal support spring, a transverse support spring, a support connecting rod, a first friction rotating shaft and a second friction rotating shaft, the longitudinal support spring is connected and arranged between the upper support and the lower support, two groups of the longitudinal support spring are symmetrically arranged between the upper support and the lower support, one end of the transverse support spring is connected and arranged on one side of the top of the upper support, and two groups of the upper support and the lower support are symmetrically arranged, the support connecting rod is connected between the other ends of the transverse support springs on the two sides, the first friction rotating shaft and the second friction rotating shaft are connected between the upper supports on the two sides, the first friction rotating shaft and the second friction rotating shaft are arranged in parallel with the support connecting rod, the low-gravity-center seat comprises a ballast seat, a light seat back and a limiting arc, the ballast seat is arranged between the first friction rotating shaft and the second friction rotating shaft in a sliding mode, relative sliding force is formed between the ballast seat and the first friction rotating shaft as well as between the ballast seat and the second friction rotating shaft, meanwhile, the mass of the ballast seat is far greater than that of the light seat back, the gravity center of the whole low-gravity-center seat is very low, the effect that the gravity center is lower and more stable is achieved, and when the low-gravity-center seat is in a balance state in an upright state, the distance between the gravity center and the contact point of the first friction rotating shaft and the second friction rotating shaft is minimum, namely, the gravity center is the lowest; after deviating the balanced position, low gravity center seat moves towards supporting connecting rod one side for the focus risees, but remains stable balanced state all the time, guarantees that children sit on low gravity center seat, and no matter be sitting the posture, or the posture of lying on the back all is in stable state, ballast seat bottom is the arc setting of arching downwards, the top of ballast seat is equipped with the curved surface of laminating human buttockss shank radian, the interior bottom of ballast seat is equipped with the counter weight chamber, spacing arc connection is located the top of the one side that the ballast seat is close to horizontal supporting spring, the light back of the chair is connected and is located the top of spacing arc, be provided with the curved surface of laminating back radian on the light back of the chair, induction type counter weight subassembly and counter weight chamber are linked together, induction type counter weight subassembly includes counter weight accepting chamber, spacing slip chamber, spacing groove, sliding plug, driving motor, carousel, eccentric bull stick, gangbar, trigger chamber, pressure trigger, controller, compression spring, spacing spring, ball and slidingtype counter weight, the limiting sliding cavity and the counterweight bearing cavity are sequentially communicated with the bottom of the counterweight cavity from top to bottom, the limiting sliding cavity is arranged between the first friction rotating shaft and the second friction rotating shaft, the counterweight bearing cavity is arranged below the first friction rotating shaft and the second friction rotating shaft, the limiting grooves are symmetrically arranged on the inner wall of the limiting sliding cavity, the driving motor is arranged on the inner wall of the limiting sliding cavity, the turntable is connected with an output shaft of the driving motor, the turntable is arranged below the limiting grooves, the eccentric rotating rod is eccentrically hinged on the turntable, the linkage rod is hinged on the other end of the eccentric rotating rod, the sliding plug is connected on the other end of the linkage rod, and the sliding plug moves up and down in the sliding groove under the driving of the linkage rod, the limiting spring is connected with and arranged at four corners of the inner wall of the balance weight bearing cavity, the trigger cavity is connected with the limiting spring, the limiting spring is uniformly connected with and arranged on the outer wall of the trigger cavity, the pressure-sensitive trigger is arranged on the inner wall of one side of the trigger cavity, the compression spring and the trigger ball are sequentially connected with and arranged on the other side of the pressure-sensitive trigger, the sliding type balancing weight is slidably arranged on the other side of the trigger cavity, the sliding type balancing weight can be in contact with the trigger ball, the trigger ball and the compression spring move towards the pressure-sensitive trigger under the compression of the sliding type balancing weight and trigger the pressure-sensitive trigger, the controller is arranged on one side of the balance weight bearing cavity, the controller is connected with the pressure-sensitive trigger and the driving motor, the pressure-sensitive trigger sends a signal to the controller after being triggered, the controller controls the driving motor to start, and a balance weight body is arranged in the balance weight cavity, preferably, the weight body can be liquid or small-diameter solid, the top of the weight cavity is communicated with the top of the weight seat, a weight slide way is arranged in the weight seat, a first sealing plug is embedded at the opening at the top of the weight body, a flow groove is formed in the bottom of the weight bearing cavity, a second sealing plug is arranged at the flow groove, when the low gravity center seat is in a normal sitting state, the weight body is positioned in the weight cavity and does not change, when a child sits on the low gravity center seat for a long time, the state of the seat is adjusted to move backwards, namely to one side close to the supporting connecting rod, the triggering cavity inclines to one side close to the supporting connecting rod, the sliding type balancing weight slides towards one side of the pressure-sensitive trigger, the triggering ball and the compression spring move towards the pressure-sensitive trigger under the compression of the sliding type balancing weight and trigger is triggered, and the pressure-sensitive trigger sends a signal to the controller after being triggered, the controller controls the driving motor to start, the driving motor drives the rotary table to rotate, the rotary table drives the eccentric rotating rod to rotate, the connecting position of the eccentric rotating rod and the rotary table is located at the topmost point of the rotary table, the linear distance between the eccentric rotating rod and the sliding plug is shortest, the connecting position of the eccentric rotating rod and the rotary table is located at the lowest point of the rotary table, the linear distance between the eccentric rotating rod and the sliding plug is longest, the linear distance between the eccentric rotating rod and the sliding plug is shortened by length, the sliding plug is separated from the limiting groove and loses the limit to the counterweight body, the counterweight body moves downwards to the counterweight bearing cavity under the action of gravity, the weight of the counterweight bearing cavity is increased, based on the counterweight principle, the weight in the counterweight cavity is compensated to the counterweight bearing cavity, and the stability of the low-gravity-center seat is better increased.

Further, quick erasure formula eyeshield literacy device includes liquid crystal handwriting pad, control circuit board, magnetic panel, handwriting pen, protective frame and panel strut, the outside of liquid crystal handwriting pad is located to the protective frame, the panel strut is connected and is located between protective frame and the lift adjustable table, and preferably, the panel strut can be for ground connection formula or wall-hung type setting, realizes the fixed of protective frame and liquid crystal handwriting pad, magnetic panel locates on one side of the outside of protective frame, control circuit board is connected with the magnetic panel electricity, the last connection of handwriting pen is equipped with magnet, the handwriting pen is inhaled with magnetic panel magnetism through magnet and is connected the realization and place, the liquid crystal handwriting pad still is equipped with the clear screen key on the protective frame, clear screen key locates the top of magnetic panel, clear screen key passes through control circuit board and is connected with the liquid crystal handwriting pad, clear screen key presses back control circuit board and switches on the liquid crystal handwriting pad, and the handwriting on the liquid crystal handwriting clears away after the circular telegram, realizes the effect of quick clear screen.

Further, low gravity center formula prevents empting seat device still includes spacing prevent falling firm subassembly, spacing prevent falling firm subassembly includes first spacing handrail, the spacing handrail of second, fixed anti-skidding base and protection horizontal pole, the both sides of elasticity seat support are located to first spacing handrail and the spacing handrail symmetry of second, the bottom of first spacing handrail and the spacing handrail of second is located respectively to fixed anti-skidding base, the protection horizontal pole is connected and is located between the bottom of the first spacing handrail of both sides and the spacing handrail of second, one side of first spacing handrail still is equipped with spacing horizontal pole, support the vertical pole from the top down and run through the fixed anti-skidding base setting of spacing horizontal pole and first spacing handrail bottom in proper order.

Further, the table with adjustable lift includes over-and-under type table, shock attenuation landing leg, lift axle sleeve, lifting screw and spacing support link, the longitudinal section of over-and-under type table is the setting of falling L shape, the outside dog-ear department of over-and-under type table is located in the lift axle sleeve connection, lifting screw is connected with the shock attenuation landing leg, lifting screw connects the top of locating the shock attenuation landing leg, and lifting screw's outside is equipped with the external screw thread, lift axle sleeve inner wall is equipped with the internal thread with lifting screw outer wall external screw thread meshing, the lift of over-and-under type table is realized through the nested relation of meshing of lift axle sleeve with lifting screw to shock attenuation landing leg, spacing support link is connected and is located bottom one side of over-and-under type table, first spacing handrail is connected with spacing support and is articulated continuous.

Furtherly, the damping leg includes that supporting leg, damping spring, supporting seat and area are stopped the universal wheel, the bottom of locating lifting screw is connected to the supporting leg, the below of supporting leg is located to the supporting seat, damping spring connects and locates between supporting leg and the supporting seat, the area is stopped the universal wheel and is located the bottom of supporting seat.

Furthermore, a leg placing groove is formed in the weight seat, and a soft cushion layer is arranged on the surface of the weight seat.

Furthermore, two sides of the bottom of the limiting groove are provided with bracket slideways, the minimum diameter of each bracket slideway is the same as the inner diameter of the limiting groove, the maximum diameter of each bracket slideway is larger than the inner diameter of the limiting groove, the sliding plugs slide in the bracket slideways, and the pressure-sensitive trigger is arranged on one side of the trigger cavity close to the support connecting rod.

Preferably, the lateral support spring and the longitudinal support spring are each formed of a single plate spring.

The invention adopting the structure has the following beneficial effects: according to the literacy device for family education of children, writing is exercised on the liquid crystal handwriting board, the handwriting pen is magnetically attracted on the magnetic panel, loss caused by disorder of writing is prevented, the liquid crystal handwriting board is electrified to realize the effect of screen clearing by one key, the use efficiency is improved, and the use height of the lifting table board can be automatically adjusted according to needs; when a child listens to other people for explaining and writing for a long time, the health and development and growth of the child can be damaged by sitting for a long time, at the moment, in order to avoid that the newly-taught knowledge is forgotten in a short time, the child can lie down to continue unfinished explanation and can also have a rest to relax, or a video related to the explanation is watched, relative sliding force is formed between the weighing seat and the first friction rotating shaft and the second friction rotating shaft, meanwhile, the mass of the weighing seat is far greater than that of the lightweight chair back, the effect that the lower the gravity center is, the more stable the gravity center is achieved, when the child sits on the low gravity center chair for a long time, the state of the chair is adjusted to move backwards, the sliding type balancing weight slides towards one side of the pressure-sensitive trigger to trigger the pressure-sensitive trigger, and in the process that the linear distance between the eccentric rotating rod and the sliding plug is shortened from long to short, the sliding plug loses the limit on the balancing weight body, the balancing weight body moves downwards into the balancing weight bearing cavity under the action of gravity to increase the weight of the balancing weight bearing cavity; multistage rotatory laminating formula clamping device's flexibility is very high, inside level four holder is automatic to be rotated to live the machine of study usefulness through the grip block centre gripping, inside second grade holder, tertiary holder, level four holder can carry out autogiration and reach the effect of laminating according to the outside shape of machine, the instrument of various shapes of fixing that can be stable, can be when having good fixed action, have certain appeal to children, the convenience carries out further education to children.

Drawings

FIG. 1 is a schematic view of the overall structure of a device for learning to read for family education of children according to the present invention;

FIG. 2 is a schematic view of a literacy device for family education of children according to the present invention;

FIG. 3 is a schematic structural diagram of a literacy device for family education of children according to the present invention;

FIG. 4 is a schematic structural view of a multi-stage rotating engaging type clamping device of a literacy device for family education of children of the present invention;

FIG. 5 is a sectional view of a multi-stage rotating fitting type clamping device of a literacy device for family education of children of the present invention;

FIG. 6 is a schematic structural view of a low gravity center type anti-toppling seat device of the literacy device for family education of children of the present invention;

FIG. 7 is a schematic cross-sectional view of a low center of gravity type anti-toppling seat device of the literacy device for family education of children of the present invention;

fig. 8 is a partially enlarged schematic view of a portion a in fig. 7.

Wherein, 1, multi-stage rotating binding type clamping device, 2, low gravity center type anti-toppling seat device, 3, quick erasing type eye-protecting character-learning device, 4, lifting adjustable table, 5, supporting longitudinal rod, 6, rotating curved surface platform, 7, fixed binding clamping component, 8, sliding binding clamping component, 9, inclined supporting platform, 10, first-stage clamping piece, 11, second-stage clamping piece, 12, third-stage clamping piece, 13, fourth-stage clamping piece, 14, rotating connecting shaft, 15, clamping plate, 16, second-stage rotating groove, 17, third-stage rotating groove, 18, fourth-stage rotating groove, 19, sliding groove, 20, sliding screw, 21, elastic seat base, 22, low gravity center seat, 23, induction type counterweight component, 24, upper bracket, 25, lower bracket, 26, longitudinal supporting spring, 27, transverse supporting spring, 28, supporting connecting rod, 29, first friction rotating shaft, 30, a second friction rotating shaft, 31, a weight seat, 32, a light chair back, 33, a limit arc, 34, a balance weight bearing cavity, 35, a limit sliding cavity, 36, a limit groove, 37, a sliding plug, 38, a driving motor, 39, a rotating disc, 40, an eccentric rotating rod, 41, a linkage rod, 42, a trigger cavity, 43, a pressure trigger, 44, a controller, 45, a compression spring, 46, a limit spring, 47, a trigger ball, 48, a sliding type balancing weight, 49, a liquid crystal handwriting board, 51, a magnetic panel, 52, a handwriting pen, 53, a protective frame, 54, a panel support frame, 55, a screen cleaning key, 56, a limit anti-falling stabilizing component, 57, a first limit handrail, 58, a second limit handrail, 59, a fixed anti-slip base, 60, a protective cross rod, 61, a lifting table board, 62, a shock absorption supporting leg, 63, a lifting shaft sleeve, 64, a lifting screw, 65, a limit supporting connecting rod, 66 and a supporting leg, 67. damping spring, 68, supporting seat, 69, universal wheel with brake, 70, leg placing groove, 71, cushion layer, 72 and counterweight cavity.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

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.

As shown in fig. 1 to 8, the literacy device for family education of children of the present invention comprises a multi-stage rotation fit type clamping device 1, a low gravity center type anti-falling seat device 2, a fast erasing type eye protection literacy device 3 and a lifting adjustable table 4, wherein the lifting adjustable table 4 is connected with the fast erasing type eye protection device, the low gravity center type anti-falling seat device 2 is rotatably connected to one side of the lifting adjustable table 4, and the multi-stage rotation fit type clamping device 1 is rotatably connected to one side of the low gravity center type anti-falling seat device 2; multistage rotatory laminating formula clamping device 1 is including supporting the vertical pole 5, rotatory curved surface platform 6, fixed laminating centre gripping subassembly 7, slidingtype laminating centre gripping subassembly 8 and slope are propped up platform 9, it connects on locating one side of low gravity center formula anti-overturning seat device 2 to support the vertical pole 5, rotatory curved surface platform 6 is connected and is located the top of supporting vertical pole 5, slope is propped up platform 9 and is slope in the horizontal plane setting, and slope is propped up platform 9 and is connected on locating one side of rotatory curved surface platform 6, fixed laminating centre gripping subassembly 7 swivelling joint is located on one side that slope is propped up platform 9 and is close to rotatory curved surface platform 6, slidingtype laminating centre gripping subassembly 8 swivelling joint is located on the opposite side that slope was propped up platform 9.

Wherein, the fixed joint clamping component 7 comprises a first-level clamping piece 10, a second-level clamping piece 11, a third-level clamping piece 12, a fourth-level clamping piece 13, a rotary connecting shaft 14 and a clamping plate 15, the rotary connecting shaft 14 is rotatably connected and arranged on one side of the inclined supporting platform 9, the first-level clamping piece 10, the second-level clamping piece 11, the third-level clamping piece 12 and the fourth-level clamping piece 13 are all arranged in a semicircular disc shape, the diameters of the first-level clamping piece 10, the second-level clamping piece 11, the third-level clamping piece 12 and the fourth-level clamping piece 13 are gradually reduced, the first-level clamping piece 10 is connected with the rotary connecting shaft 14, a second-level rotary groove 16 is arranged at one end of the diameter of the first-level clamping piece 10, the second-level clamping piece 11 is rotatably connected and arranged in the second-level rotary groove 16, a third-level rotary groove 17 is arranged at one end of the diameter of the second-level clamping piece 11, the third-level clamping piece 12 is rotatably connected and arranged in the third-level rotary groove 17, a fourth-level rotary groove 18 is arranged at one end of the diameter of the third-level clamping piece 12, the four-stage clamping piece 13 is rotatably connected and arranged in a four-stage rotating groove 18, preferably, two groups of second-stage rotating grooves 16 are formed in the two-stage rotating groove 16, two groups of second-stage clamping pieces 11 are arranged, two groups of second-stage rotating grooves 16 are uniformly formed in the two groups of second-stage rotating grooves 16, two groups of third-stage rotating grooves 17 are uniformly formed in the two-stage clamping pieces 11 and correspond to the two groups of second-stage clamping pieces, four groups of third-stage clamping pieces 12 are arranged, four groups of third-stage clamping pieces 12 are respectively arranged in the three-stage rotating grooves 17 of the two groups of second-stage clamping pieces 11, two groups of fourth-stage rotating grooves 18 are symmetrically arranged on the three-stage clamping pieces 12, eight groups of fourth-stage clamping pieces 13 are respectively arranged in the four-stage rotating grooves 18 of the four groups of third-stage clamping pieces 12, the clamping pieces 15 are connected and arranged at one end of the diameter of the four-stage clamping pieces 13, and matched grooves and convex grooves are formed in the arc inner walls of the two groups of second-stage rotating grooves 16 and the arc outer walls of the second-stage clamping pieces 11 Wheel, the circular arc inner wall of tertiary revolving chute 17 and the circular arc outer wall of tertiary holder 12 are equipped with assorted recess and cam, the circular arc inner wall of level four revolving chute 18 and the circular arc outer wall of level four holder 13 are equipped with assorted recess and cam, slidingtype laminating centre gripping subassembly 8 is the same with the structure of fixed laminating centre gripping subassembly 7, the function is the same, slidingtype laminating centre gripping subassembly 8 is located on the opposite side of slope brace 9, slidingtype laminating centre gripping subassembly 8 is located on the both sides of slope brace 9 with fixed laminating centre gripping subassembly 7 symmetry, the last sliding tray 19 of having seted up of slope brace 9, the bottom of sliding tray 19 is equipped with sliding screw 20, slidingtype laminating centre gripping subassembly 8 bottom is equipped with the sliding sleeve, the top of sliding sleeve is located to the swivelling joint axle 14 of slidingtype laminating centre gripping subassembly 8, slidingtype laminating centre gripping subassembly 8 realizes sliding connection's relation through sliding sleeve and sliding screw 20, and slidingtype laminating centre gripping subassembly 8 slides along sliding tray 19.

Wherein, the low gravity center type anti-toppling seat device 2 comprises an elastic seat 21, a low gravity center seat 22 and an induction type counterweight component 23, the low gravity center seat 22 is arranged on the elastic seat 21 in a sliding way, the induction type counterweight component 23 is connected and arranged below the low gravity center seat 22, the induction type counterweight component 23 is arranged between the elastic seat 21, the elastic seat 21 comprises an upper bracket 24, a lower bracket 25, a longitudinal supporting spring 26, a transverse supporting spring 27, a supporting connecting rod 28, a first friction rotating shaft 29 and a second friction rotating shaft 30, the longitudinal supporting spring 26 is connected and arranged between the upper bracket 24 and the lower bracket 25, two groups of longitudinal supporting springs 26 are symmetrically arranged between the upper bracket 24 and the lower bracket 25, one end of the transverse supporting spring 27 is connected and arranged on one side of the top of the upper bracket 24, two groups of the upper bracket 24 and the lower bracket 25 are symmetrically arranged, the supporting connecting rod 28 is connected and arranged between the other ends of the transverse supporting springs 27 on two sides, the first friction rotating shaft 29 and the second friction rotating shaft 30 are connected between the upper brackets 24 arranged at two sides, the first friction rotating shaft 29 and the second friction rotating shaft 30 are arranged in parallel with the supporting connecting rod 28, the low-gravity seat 22 comprises a weight seat 31, a light chair back 32 and a limiting arc 33, the weight seat 31 is arranged between the first friction rotating shaft 29 and the second friction rotating shaft 30 in a sliding way, the bottom of the weight seat 31 is arranged in an arc shape which is arched downwards, the top of the weight seat 31 is provided with a curved surface which is attached to the radian of the buttocks and the legs of a human body, the inner bottom of the weight seat 31 is provided with a counterweight cavity 72, the limiting arc 33 is connected above one side of the weight seat 31 close to the transverse supporting spring 27, the light chair back 32 is connected above the limiting arc 33, the light chair back 32 is provided with a curved surface which is attached to the radian of the waist and the back, the inductive counterweight component 23 is communicated with the counterweight cavity 72, the induction type counterweight assembly 23 comprises a counterweight bearing cavity 34, a limiting sliding cavity 35, a limiting groove 36, a sliding plug 37, a driving motor 38, a turntable 39, an eccentric rotating rod 40, a linkage rod 41, a triggering cavity 42, a pressure-sensitive trigger 43, a controller 44, a compression spring 45, a limiting spring 46, a triggering ball 47 and a sliding counterweight block 48, wherein the limiting sliding cavity 35 and the counterweight bearing cavity 34 are sequentially communicated and arranged at the bottom of the counterweight cavity 72 from top to bottom, the limiting sliding cavity 35 is arranged between a first friction rotating shaft 29 and a second friction rotating shaft 30, the counterweight bearing cavity 34 is arranged below the first friction rotating shaft 29 and the second friction rotating shaft 30, the limiting grooves 36 are symmetrically arranged on the inner wall of the limiting sliding cavity 35, the driving motor 38 is arranged on the inner wall of the limiting sliding cavity 35, the turntable 39 is connected with an output shaft of the driving motor 38, the turntable 39 is arranged below the limiting groove 36, the eccentric rotating rod 40 is eccentrically hinged on the turntable 39, the linkage rod 41 is hinged on the other end of the eccentric rotating rod 40, the sliding plug 37 is connected on the other end of the linkage rod 41, the sliding plug 37 moves up and down in the sliding groove 19 under the drive of the linkage rod 41, the limiting springs 46 are connected on the four corners of the inner wall of the counterweight bearing cavity 34, the trigger cavity 42 is connected with the limiting springs 46, the limiting springs 46 are uniformly connected on the outer wall of the trigger cavity 42, the pressure-sensitive trigger 43 is arranged on the inner wall of one side of the trigger cavity 42, the compression spring 45 and the trigger ball 47 are sequentially connected on the other side of the pressure-sensitive trigger 43, the sliding counterweight block 48 is slidably arranged on the other side of the trigger cavity 42, the sliding counterweight block 48 can be contacted with the trigger ball 47, the trigger ball 47 and the compression spring 45 move towards the pressure-sensitive trigger 43 under the compression of the sliding counterweight block 48 and trigger 43, the controller 44 is arranged on one side of the counterweight bearing cavity 34, controller 44 is connected with pressure trigger 43, driving motor 38, pressure trigger 43 is triggered the back with signal transmission to controller 44, controller 44 control driving motor 38 starts, be equipped with the counter weight body in the counter weight chamber 72, preferably, the counter weight body can be liquid or minor diameter solid, the top of counter weight chamber 72 link up the top of ballast seat 31 and be equipped with the counter weight slide in ballast seat 31, the counter weight slide inlays at the top opening part of counter weight body and is equipped with first sealing plug, the bottom in counter weight supporting cavity 34 has seted up the drainage groove, drainage groove department is equipped with the second sealing plug.

The quick-erasing eye-protecting character-learning device 3 comprises a liquid crystal handwriting board 49, a control circuit board, a magnetic panel 51, a handwriting pen 52, a protective frame 53 and a panel support frame 54, wherein the protective frame 53 is arranged on the outer side of the liquid crystal handwriting board 49, the panel support frame 54 is connected between the protective frame 53 and a lifting adjustable table board 4, preferably, the panel support frame 54 can be arranged in a grounding mode or a wall-hung mode, fixing of the protective frame 53 and the liquid crystal handwriting board 49 is achieved, the magnetic panel 51 is arranged on one side of the outer portion of the protective frame 53, the control circuit board is electrically connected with the magnetic panel 51, a magnet is connected onto the handwriting pen 52, the handwriting pen 52 is magnetically connected with the magnetic panel 51 through the magnet to achieve placement, the liquid crystal handwriting board 49 is further provided with a screen cleaning key 55 on the protective frame 53, the screen cleaning key 55 is arranged above the magnetic panel 51, the screen cleaning key 55 is electrically connected with the liquid crystal handwriting board 49 through the control circuit board, the control circuit board is electrified after the screen cleaning key 55 is pressed, handwriting on the liquid crystal handwriting board 49 after electrification, and the liquid crystal handwriting board 49 is cleaned, and the effect of quick screen cleaning is achieved.

The low gravity center type anti-toppling seat device 2 further comprises a limiting anti-toppling stabilizing component 56, the limiting anti-toppling stabilizing component 56 comprises a first limiting armrest 57, a second limiting armrest 58, a fixed anti-skidding base 59 and a protective cross rod 60, the first limiting armrest 57 and the second limiting armrest 58 are symmetrically arranged on two sides of the elastic seat 21, the fixed anti-skidding base 59 is respectively arranged at the bottoms of the first limiting armrest 57 and the second limiting armrest 58, the protective cross rod 60 is connected between the bottoms of the first limiting armrest 57 and the second limiting armrest 58 on two sides, one side of the first limiting armrest 57 is further provided with a limiting cross rod, and the supporting longitudinal rod 5 sequentially penetrates through the fixed anti-skidding base 59 arranged at the bottoms of the limiting cross rod and the first limiting armrest 57 from top to bottom.

Table 4 with adjustable lift includes over-and-under type table 61, shock attenuation landing leg 62, lift axle sleeve 63, lifting screw 64 and spacing support link 65, the longitudinal section of over-and-under type table 61 is the setting of falling L shape, lift axle sleeve 63 connects the outside dog-ear department of locating over-and-under type table 61, lifting screw 64 is connected with shock attenuation landing leg 62, lifting screw 64 connects the top of locating shock attenuation landing leg 62, lifting screw 64's outside is equipped with the external screw thread, lift axle sleeve 63 inner wall is equipped with the internal thread with lifting screw 64 outer wall external screw thread meshing, the lift of over-and-under type table 61 is realized through the meshing nested relation of lifting axle sleeve 63 with lifting screw 64 to shock attenuation landing leg 62, spacing support link 65 is connected and is located bottom one side of over-and-under type table 61, first spacing handrail 57 is connected with spacing support and is articulated continuous.

Damping support 62 includes supporting leg 66, damping spring 67, supporting seat 68 and the universal wheel 69 of stopping of area, and supporting leg 66 connects the bottom of locating lifting screw 64, and supporting seat 68 locates the below of supporting leg 66, and damping spring 67 connects and locates between supporting leg 66 and supporting seat 68, and the universal wheel 69 of stopping of area locates the bottom of supporting seat 68.

The weight seat 31 is further provided with a leg placing groove 70, and the surface of the weight seat 31 is further provided with a cushion layer 71. The two sides of the bottom of the limiting groove 36 are provided with bracket slideways, the minimum diameter of the bracket slideways is the same as the inner diameter of the limiting groove 36, the maximum diameter of the bracket slideways is larger than the inner diameter of the limiting groove 36, the sliding plug 37 slides in the bracket slideways, and the pressure-sensitive trigger 43 is arranged on one side of the trigger cavity 42 close to the supporting connecting rod 28. The lateral support spring 27 and the longitudinal support spring 26 are each formed of a single plate spring.

As shown in fig. 1-2, in an embodiment, a handwriting pen 52 is used for practicing writing on the liquid crystal handwriting board 49, the handwriting pen 52 is magnetically attracted to the magnetic panel 51 after the handwriting pen is used for practicing writing, the handwriting board 49 is prevented from being lost due to random placement, the screen cleaning key 55 is pressed, the control circuit board is powered on, and the handwriting on the liquid crystal handwriting board 49 is cleaned after the power is on, so that the effect of cleaning the screen by one key is achieved, and the use efficiency is improved.

In one embodiment, as shown in fig. 2, the lifting sleeve 63 can be engaged with the lifting screw 64 by rotating the damping leg 62 to drive the lifting table 61 to move upward or downward, so as to adjust the table to a suitable use state, and adjust the table according to the requirement.

As shown in fig. 3, 6, 7 and 8, in another embodiment, when a child listens to other people for explaining and writing for a long time, the child may suffer from damages to the health and development and growth of the child in a sedentary manner, and in order to avoid the just-taught knowledge from being forgotten in a short time, the child may lie down to continue the incomplete explanation, may also rest and relax, or watch a video related to the just-explained explanation; relative sliding force is formed between the weight seat 31 and the first friction rotating shaft 29 and the second friction rotating shaft 30, meanwhile, the weight of the weight seat 31 is far larger than that of the light chair back 32, the center of gravity of the whole low center of gravity seat 22 is very low, the effect that the center of gravity is more stable when the center of gravity is lower is achieved, and when the low center of gravity seat 22 is in balance in a vertical state, the distance between the center of gravity and the contact point of the first friction rotating shaft 29 and the second friction rotating shaft 30 is minimum, namely the center of gravity is minimum; after deviating from the balanced position, the low gravity center seat 22 moves toward the side of the support link 28, so that the gravity center is raised, but the stable balanced state is always maintained, so that when a child sits on the low gravity center seat 22, whether the child sits on the seat in a normal posture or a supine posture, the weight body is in the weight chamber 72 and does not change when the low gravity center seat 22 is in the normal sitting state, and when the child sits on the low gravity center seat 22 for a long time and adjusts the seat state to move backward, i.e., toward the side of the support link 28, the trigger chamber 42 tilts toward the side of the support link 28, the sliding weight 48 slides toward the side of the pressure trigger 43, the trigger ball 47 and the compression spring 45 move toward the pressure trigger 43 under the compression of the sliding weight 48 and trigger the pressure trigger 43, the pressure trigger 43 sends a signal to the controller 44 after being triggered, the controller 44 controls the driving motor 38 to start, the driving motor 38 drives the rotating disc 39 to rotate, the rotating disc 39 drives the eccentric rotating rod 40 to rotate, when the connection position of the eccentric rotating rod 40 and the rotating disc 39 is located at the topmost point of the rotating disc 39, the linear distance between the eccentric rotating rod 40 and the sliding plug 37 is shortest, when the connection position of the eccentric rotating rod 40 and the rotating disc 39 is located at the lowest point of the rotating disc 39, the linear distance between the eccentric rotating rod 40 and the sliding plug 37 is longest, in the process that the linear distance between the eccentric rotating rod 40 and the sliding plug 37 is shortened from long to short, the sliding plug 37 is separated from the limiting groove 36, the limiting of the counterweight body is lost, the counterweight body moves downwards into the counterweight bearing cavity 34 under the action of gravity, the weight of the counterweight bearing cavity 34 is increased, the weight in the counterweight cavity 72 is compensated into the counterweight bearing cavity 34 based on the counterweight principle, and the stability of the low-gravity seat 22 is better increased, guarantee stability and security that children used, and horizontal supporting spring 27 and vertical supporting spring 26 are the monolithic leaf spring constitution, can increase the comfort level after lying down, and spacing arc 33 can prevent children's weight and strength not enough and the danger of being bounced, improves the security of using for children absorb study knowledge better under comfortable state.

As shown in fig. 4 and 5, the first-level clamping member 10 is located at the outermost part, the second-level clamping member 11 is rotatably connected to the second-level rotating groove 16, the third-level clamping member 12 is rotatably connected to the third-level rotating groove 17, the fourth-level clamping member 13 is rotatably connected to the fourth-level rotating groove 18, the maximum rotating angle can reach 150 °, the flexibility is very high, and after a mobile phone to be fixed, a tablet or other learning machine is placed between the four-level clamping members 13 at the two sides, the first-level clamping member 10 of the movable sliding type attaching clamping assembly 8 is close to the fixed type attaching clamping assembly 7, the inner four-level clamping member 13 automatically rotates and clamps the learning machine through the clamping plate 15, the inner second-level clamping member 11, the third-level clamping member 12 and the fourth-level clamping member 13 can automatically rotate according to the shape outside the machine and achieve the attaching effect, tools in various shapes can be stably fixed, and while having a good fixing effect, the tools in various shapes can have a certain attraction to children, and further education can be conveniently performed to children.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a children family education is with device of becoming literate which characterized in that: the device comprises a multi-stage rotary laminating type clamping device, a low gravity center type anti-falling seat device, a quick erasing type eye protection character learning device and a lifting adjustable table, wherein the lifting adjustable table is connected with the quick erasing type eye protection device; the multistage rotary laminating type clamping device comprises a supporting longitudinal rod, a rotary curved surface table, a fixed laminating clamping assembly, a sliding laminating clamping assembly and an inclined supporting table, wherein the supporting longitudinal rod is vertically connected to one side of the low gravity center type anti-toppling seat device;

the fixed type laminating clamping assembly comprises a first-stage clamping piece, a second-stage clamping piece, a third-stage clamping piece, a fourth-stage clamping piece, a rotating connecting shaft and a clamping plate, wherein the rotating connecting shaft is rotatably connected and arranged on one side of the inclined supporting platform, the first-stage clamping piece, the second-stage clamping piece, the third-stage clamping piece and the fourth-stage clamping piece are all arranged in a semicircular disc shape, the diameters of the first-stage clamping piece, the second-stage clamping piece, the third-stage clamping piece and the fourth-stage clamping piece are gradually reduced, the first-stage clamping piece is connected with the rotating connecting shaft, a second-stage rotating groove is formed in one end of the diameter of the first-stage clamping piece, the second-stage clamping piece is rotatably connected and arranged in the second-stage rotating groove, a third-stage rotating groove is formed in one end of the diameter of the third-stage clamping piece, a fourth-stage rotating groove is formed in one end of the diameter of the third-stage clamping piece, the four-stage clamping piece is rotatably connected and arranged in a four-stage rotating groove, two groups of second-stage rotating grooves are formed, two groups of second-stage clamping pieces are arranged, two groups of second-stage rotating grooves are uniformly formed in two sides of the diameter end of the first-stage clamping piece, two groups of second-stage clamping pieces are respectively arranged in two groups of second-stage rotating grooves, two groups of third-stage rotating grooves are uniformly formed in the second-stage clamping pieces, four groups of third-stage clamping pieces are arranged in four groups of third-stage rotating grooves of the two groups of second-stage clamping pieces, two groups of fourth-stage rotating grooves are symmetrically formed in the third-stage clamping pieces, eight groups of fourth-stage clamping pieces are respectively arranged in four-stage rotating grooves of the four groups of third-stage clamping pieces, the clamping plate is connected to one end of the diameter of the four-stage clamping pieces, the inner circular arc wall of the second-stage rotating grooves and the circular arc outer wall of the second-stage clamping pieces are provided with matched grooves and cams, the three-stage rotary groove is characterized in that a groove and a cam which are matched with each other are arranged on the inner circular wall of the three-stage rotary groove and the outer circular wall of the three-stage clamping piece, the inner circular wall of the four-stage rotary groove and the outer circular wall of the four-stage clamping piece are provided with a groove and a cam which are matched with each other, the sliding type laminating clamping assembly and the fixed type laminating clamping assembly are identical in structure and function, the sliding type laminating clamping assembly and the fixed type laminating clamping assembly are arranged on the other side of the inclined support platform, the sliding type laminating clamping assembly and the fixed type laminating clamping assembly are symmetrically arranged on two sides of the inclined support platform, a sliding groove is formed in the inclined support platform, a sliding screw is arranged at the bottom of the sliding groove, a sliding sleeve is arranged at the bottom of the sliding type laminating clamping assembly, a rotary connecting shaft of the sliding type laminating clamping assembly is arranged above the sliding sleeve, the sliding type laminating clamping assembly is in sliding connection relation with the sliding screw through the sliding sleeve, and the sliding type laminating clamping assembly slides along the sliding groove;

the low gravity center type anti-toppling seat device comprises an elastic seat, a low gravity center seat and an induction type counterweight assembly, wherein the low gravity center seat is arranged on the elastic seat in a sliding manner, the induction type counterweight assembly is connected below the low gravity center seat and is arranged between the elastic seat, the elastic seat comprises an upper support, a lower support, a longitudinal support spring, a transverse support spring, a support connecting rod, a first friction rotating shaft and a second friction rotating shaft, the longitudinal support spring is connected between the upper support and the lower support, two groups of the longitudinal support spring are symmetrically arranged between the upper support and the lower support, one end of the transverse support spring is connected on one side of the top of the upper support, two groups of the upper support and the lower support are symmetrically arranged, and the support connecting rod is connected between the other ends of the transverse support springs on two sides, first friction pivot, second friction pivot are connected between the upper bracket of locating both sides, first friction pivot, second friction pivot and support connecting rod parallel arrangement, low gravity center seat is including ballast seat, the light back of the chair and spacing arc, ballast seat slides and locates between the top of first friction pivot and second friction pivot, ballast seat bottom is the arc setting of arching downwards, ballast seat's top is equipped with the curved surface of the human buttockss shank radian of laminating, ballast seat's interior bottom is equipped with the counter weight chamber, spacing arc is connected and is located the top that ballast seat is close to one side of horizontal supporting spring, the top of spacing arc is located in the connection of the light back of the chair, be provided with the curved surface of laminating back radian on the light back of the chair, inductive counterweight subassembly is linked together with the counter weight chamber, inductive counterweight subassembly includes that the counter weight accepts the chamber, the device comprises a limiting sliding cavity, a limiting groove, a sliding plug, a driving motor, a rotary disc, an eccentric rotary rod, a linkage rod, a triggering cavity, a pressure-sensitive trigger, a controller, a compression spring, a limiting spring, a triggering ball and a sliding type balancing weight, wherein the limiting sliding cavity and the balancing weight bearing cavity are sequentially communicated with the bottom of the balancing weight cavity from top to bottom, the limiting sliding cavity is arranged between a first friction rotary shaft and a second friction rotary shaft, the balancing weight bearing cavity is arranged below the first friction rotary shaft and the second friction rotary shaft, the limiting grooves are symmetrically arranged on the inner wall of the limiting sliding cavity, the driving motor is arranged on the inner wall of the limiting sliding cavity, the rotary disc is connected with an output shaft of the driving motor, the rotary disc is arranged below the limiting groove, the eccentric rotary rod is eccentrically hinged on the rotary disc, the linkage rod is hinged on the other end of the eccentric rotary rod, the sliding plug is connected on the other end of the linkage rod, the sliding plug moves up and down in the sliding groove under the driving of the linkage rod, the limiting spring is connected and arranged at the four corners of the inner wall of the balance weight bearing cavity, the trigger cavity is connected with the limiting spring, the limiting spring is uniformly connected and arranged on the outer wall of the trigger cavity, the pressure-sensitive trigger is arranged on the inner wall of one side of the trigger cavity, the compression spring and the trigger ball are sequentially connected and arranged on the other side of the pressure-sensitive trigger, the sliding type balancing weight is arranged on the other side of the trigger cavity in a sliding way, the sliding type balancing weight is in contact with the trigger ball, the trigger ball and the compression spring move towards the pressure-sensitive trigger under the compression of the sliding type balancing weight and trigger the pressure-sensitive trigger, the controller is arranged on one side of the balance weight bearing cavity, the controller is connected with the pressure-sensitive trigger and the driving motor, and the pressure-sensitive trigger sends signals to the controller after being triggered, the controller controls driving motor to start, be equipped with the counter weight body in the counter weight intracavity, the counter weight body is liquid or minor diameter solid, the top in counter weight chamber link up the top of ballast seat and is equipped with the counter weight slide in the ballast seat, the counter weight slide inlays at the top opening part of the counter weight body and is equipped with first sealing plug, the counter weight is accepted the bottom in chamber and has been seted up and has been flowed and put the groove, it is equipped with the second sealing plug to flow and put groove department.

2. A literacy device for family education of children according to claim 1, wherein: the quick erasing type eye-protecting character learning device comprises a liquid crystal handwriting board, a control circuit board, a magnetic panel, a handwriting pen, a protective frame and a panel support frame, wherein the protective frame is arranged on the outer side of the liquid crystal handwriting board, the panel support frame is connected between the protective frame and a lifting adjustable table board, the panel support frame is arranged in a grounding mode or a wall-hung mode, the magnetic panel is arranged on one side of the outer portion of the protective frame, the control circuit board is electrically connected with the magnetic panel, a magnet is arranged on the handwriting pen in a connected mode, the handwriting pen is magnetically connected with the magnetic panel through the magnet to achieve placement, the liquid crystal handwriting board is further provided with a screen cleaning key on the protective frame, the screen cleaning key is arranged above the magnetic panel, the screen cleaning key is electrically connected with the liquid crystal handwriting board through the control circuit board, the control circuit board is electrified after the screen cleaning key is pressed, and handwriting on the liquid crystal handwriting board is cleaned after being electrified.

3. A literacy device for family education of children according to claim 2, wherein: the low gravity center type anti-toppling seat device further comprises a limiting anti-toppling stabilizing assembly, the limiting anti-toppling stabilizing assembly comprises a first limiting handrail, a second limiting handrail, a fixed anti-skidding base and a protective transverse rod, the two sides of the elastic seat base are symmetrically arranged on the first limiting handrail and the second limiting handrail, the fixed anti-skidding base is respectively arranged at the bottoms of the first limiting handrail and the second limiting handrail, the protective transverse rod is connected between the bottoms of the first limiting handrail and the second limiting handrail on the two sides, one side of the first limiting handrail is further provided with the limiting transverse rod, and the supporting longitudinal rod sequentially penetrates through the fixed anti-skidding base arranged at the bottom of the limiting transverse rod and the first limiting handrail from top to bottom.

4. A literacy device for family education of children according to claim 3, wherein: the table with adjustable lift includes over-and-under type table, shock attenuation landing leg, lift axle sleeve, lifting screw and spacing support link, the longitudinal section of over-and-under type table is the setting of falling L shape, the outside dog-ear department of over-and-under type table is located in the lift axle sleeve connection, lifting screw is connected with the shock attenuation landing leg, lifting screw connects the top of locating the shock attenuation landing leg, and lifting screw's outside is equipped with the external screw thread, lift axle sleeve inner wall is equipped with the internal thread with lifting screw outer wall external screw thread meshing, the lift of over-and-under type table is realized through the nested relation of meshing of lift axle sleeve with lifting screw to shock attenuation landing leg, spacing support link connects bottom one side of locating the over-and-under type table, first spacing handrail is connected with spacing support and is articulated continuous.

5. A literacy device for family education of children according to claim 4, wherein: the damping support leg includes that supporting leg, damping spring, supporting seat and area are stopped the universal wheel, the supporting leg is connected the bottom of locating lifting screw, the below of supporting leg is located to the supporting seat, damping spring connects and locates between supporting leg and the supporting seat, the universal wheel of stopping in the area locates the bottom of supporting seat.

6. A literacy device for family education of children according to claim 1, wherein: the weight seat is also provided with a leg placing groove, and the surface of the weight seat is also provided with a soft cushion layer.

7. A literacy device for family education of children according to claim 1, wherein: the two sides of the bottom of the limiting groove are provided with bracket slideways, the minimum diameter of each bracket slideway is the same as the inner diameter of the limiting groove, the maximum diameter of each bracket slideway is larger than the inner diameter of the limiting groove, the sliding plugs slide in the bracket slideways, and the pressure-sensitive trigger is arranged on one side of the trigger cavity close to the support connecting rod.

8. A literacy device for family education of children according to claim 1, wherein: the transverse supporting spring and the longitudinal supporting spring are both formed by single plate springs.