CN112870030A - Children walking training auxiliary stay structure - Google Patents

Abstract

The invention provides an auxiliary supporting structure for children walking training, which comprises a base, a lifting supporting mechanism and a moving speed limiting mechanism. The invention can solve the following problems in the walking training of children: a. the children walking training instrument is easy to bump when aiming at an uneven road surface, is not beneficial to the experience of children in training walking, and has the phenomenon of rollover of the children walking training instrument to cause children to be injured; b. present children's walking training apparatus just provides it and can move on subaerial, does not consider children's safety consciousness and lacks, when the translation rate is too fast, turns on one's side easily, perhaps hits the object of surrounding environment, causes children's injury.

Description

Children walking training auxiliary stay structure

Technical Field

The invention relates to the technical field of auxiliary equipment for children, in particular to an auxiliary supporting structure for walking training of children.

Background

The children walking auxiliary device is for helping children learn to walk, or to the children who have the obstacle of walking of standing, with the help of children walking auxiliary device, lets children study to walk, can protect children to practise under the condition of nobody helping to walk, improves children and stands and the walking ability, when practising the walking with the help of children walking training auxiliary device, needs the head of a family to guardianship, guide and encourage aside simultaneously.

At present, the following problems exist in the walking training of children: a. the children walking training instrument is easy to bump when aiming at an uneven road surface, is not beneficial to the experience of children in training walking, and has the phenomenon of rollover of the children walking training instrument to cause children to be injured; b. present children's walking training apparatus just provides it and can move on subaerial, does not consider children's safety consciousness and lacks, when the translation rate is too fast, turns on one's side easily, perhaps hits the object of surrounding environment, causes children's injury.

Disclosure of Invention

Technical problem to be solved

The invention provides an auxiliary supporting structure for children walking training, which can solve the following problems in the children walking training: a. the children walking training instrument is easy to bump when aiming at an uneven road surface, is not beneficial to the experience of children in training walking, and has the phenomenon of rollover of the children walking training instrument to cause children to be injured; b. present children's walking training apparatus just provides it and can move on subaerial, does not consider children's safety consciousness and lacks, when the translation rate is too fast, turns on one's side easily, perhaps hits the object of surrounding environment, causes children's injury.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: a child walking training auxiliary supporting structure comprises a base, a lifting supporting mechanism and a moving speed limiting mechanism, wherein the whole base is of an annular rectangular structure, the lifting supporting mechanism is fixedly installed at the upper end of the base, and a plurality of moving speed limiting mechanisms are uniformly arranged on the lower end surface of the base along the edge of the lower end surface of the base; wherein:

the lifting support mechanism comprises a bearing plate, a fixed block, a lifting strip, a locking branched chain, a movable block, a sliding rod, an adjusting groove, an adjusting spring, an anti-collision spring and an anti-collision plate, wherein the front end and the rear end of the upper end surface of the base are respectively provided with the bilaterally symmetrical adjusting groove, the sliding rod is fixedly installed in the adjusting groove, the movable block is sleeved on the sliding rod in a sliding manner, the adjusting spring is sleeved on the sliding rod, one end of the adjusting spring is connected with the end surface of the movable block, which is far away from the center of the base, the other end of the adjusting spring is fixedly connected on the side wall of the adjusting groove, which is far away from the center of the base, the upper end surface of the movable block is rotatably connected with the lifting strip in a ball hinge manner, the bearing plate is arranged right above the base, the center of the bearing plate is provided with a through hole convenient for, the lifting bar upper end is connected with the left side through the ball hinge with the right side movable block the fixed block is connected with, two alternately set up the lifting bar juncture is through round pin axle looks normal running fit, two alternately be provided with the locking branch chain on the lifting bar, the even fixedly connected with anticollision spring of base lateral wall circumference, the anticollision spring other end is fixed on the anticollision board, the anticollision board wholly is annular Contraband type structure, anticollision board fixed mounting is on the lateral wall of base, the anticollision board has certain buffering elasticity.

The moving speed limiting mechanism comprises a connecting seat, a rotating block, a fixed shaft, a stop block, an installation seat, a damping spring, a wheel hub assembly, a speed limiting branched chain, an auxiliary branched chain, an installation shaft and a tire, wherein the connecting seat is uniformly fixed on the lower end surface of the base along the edge of the lower end surface of the base, the connecting seat is fixed on the lower end surface of the base through a bolt, the rotating block is rotatably connected on the lower end surface of the connecting seat, the installation seat is arranged below the rotating block, the upper end of the fixed shaft is fixed on the rotating block, a round hole is formed in the upper end surface of the bottom of the installation seat, the lower end of the fixed shaft penetrates through the round hole in the installation seat in a sliding manner, the stop block for preventing the installation seat from falling off is fixedly welded at the lower end of the fixed shaft, the utility model discloses a tire wheel hub assembly, including mount pad, wheel hub assembly, installation axle, bearing, wheel hub assembly lateral wall, wheel hub assembly both sides middle part department fixedly connected with installation axle, the installation axle other end passes through the bearing to be fixed on the mount pad, install the wheel hub assembly pivoted tire of being convenient for on the wheel hub assembly lateral wall, be provided with speed limit branch chain and supplementary branch chain on the wheel hub assembly.

Preferably, the locking branched chain include latch segment, ring channel, cushion and locking bolt, the latch segment is the loop configuration, the ring channel has been seted up on the latch segment, set up threaded hole on the lifting strip, two criss-cross lifting strips and one the latch segment cooperatees, locking bolt one end is passed ring channel and the threaded hole screw-thread fit on the lifting block, the last cover of locking bolt is equipped with the cushion, the cushion is located between the cap of latch segment and locking bolt.

Preferably, the wheel hub subassembly include pivot, connecting block and collar, pivot both ends fixed connection is in the installation epaxial, the fixed welding of axis of rotation lateral wall center department has the connecting block, the connecting block is the ring structure, fixed welding has the collar on the connecting block lateral wall, install the tire on the collar lateral wall.

Preferably, the speed-limiting branched chain comprises a first telescopic rod, a first spring, a speed-limiting block, a friction plate, a spring rod, a fixed seat and a connecting rod, wherein the front side and the rear side of the outer side wall of the rotating shaft are circumferentially and uniformly and fixedly provided with the first telescopic rod, the first telescopic rod at the front side and the rear side of the rotating shaft are distributed by taking the connecting block as a central mirror image, the other end of the first telescopic rod is fixedly welded with the speed-limiting block, the first telescopic rod is sleeved with the first spring, two ends of the first spring are respectively fixed on the rotating shaft and the speed-limiting block, the end surface of the speed-limiting block facing the connecting block is arranged to be an inclined surface, the inclined surface inclines towards the direction far away from the connecting block from top to bottom, the installation seat is circumferentially and uniformly and fixedly welded with the connecting rod, the speed limiting device is characterized in that a plurality of spring rods are uniformly arranged on the other side face of the fixing seat, the other ends of the spring rods are fixedly mounted on the friction plate, a certain distance is reserved between the other side face of the friction plate and the connecting block, the inclined face of the speed limiting block is in contact with the end face of one side of the friction plate, and the speed limiting block is located between the friction plate and the fixing seat.

Preferably, supplementary branch include auxiliary tank, No. two telescopic links, No. two springs, auxiliary block and clutch blocks, a plurality of auxiliary tanks have evenly been seted up for central circumference along its pivot in the connecting block inside, be provided with No. two telescopic links in the auxiliary tank, No. two telescopic link one end are fixed on the auxiliary tank lateral wall that is located pivot one side, and other end fixed welding is on the auxiliary block, the cover is equipped with No. two springs on No. two spring bars, fixed mounting has the clutch blocks around the auxiliary block on the lateral wall, the clutch blocks has certain interval from the mounting ring inside wall.

Preferably, a rotating groove is formed in the lower end face of the connecting seat, a baffle is fixedly mounted at the upper end of the rotating block, and the rotating block rotates in the rotating groove in the connecting seat through the baffle.

(III) advantageous effects

1. The invention provides an auxiliary supporting structure for children walking training, which can solve the following problems in the children walking training: a. the children walking training instrument is easy to bump when aiming at an uneven road surface, is not beneficial to the experience of children in training walking, and has the phenomenon of rollover of the children walking training instrument to cause children to be injured; b. present children's walking training apparatus just provides it and can move on subaerial, does not consider children's safety consciousness and lacks, when the translation rate is too fast, turns on one's side easily, perhaps hits the object of surrounding environment, causes children's injury.

2. The lifting branched chain mechanism designed by the invention utilizes the lifting strip to support the bearing plate, ensures that the bearing plate can bear acting force with certain strength, simultaneously limits the lifting of the bearing plate through the locking branched chain when aiming at children with different heights, further enables the height to be manually adjusted to adapt to the children with different heights, and simultaneously is provided with the anti-collision plate on the outer side wall of the base, thereby reducing the collision feeling of the base on the children when the base collides with surrounding environment objects and effectively avoiding the occurrence of side turning.

3. The moving speed limiting mechanism designed by the invention utilizes centrifugal forces with different sizes generated by different speeds when the hub rotates, when the speed is too high, the speed limiting block moves under the action of the centrifugal force and pushes the friction plate to contact with the hub in a butting way, so that the friction force is increased, the aim of reducing the speed is fulfilled, the speed is limited within a certain range, the personal safety of children is ensured, when the speed limiting branched chain limits the speed of the hub, the auxiliary branched chain also limits the speed of the hub to a certain degree, the speed is limited in a double way, the rotation speed of the hub is controlled within a certain range when the children practice walking, and the personal safety of the children is protected.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a three-dimensional block diagram of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a three-dimensional block diagram of a hub assembly of the present disclosure;

FIG. 4 is a side cross-sectional view of the mount, speed limiting branch, auxiliary branch and hub assembly of the present specification;

FIG. 5 is an enlarged view of a portion of FIG. 2 in accordance with the teachings of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 4 taken at B in the present specification;

FIG. 7 is an enlarged fragmentary view at C of FIG. 5 in accordance with the teachings of the present invention;

FIG. 8 is a cross-sectional view of a locking arm in accordance with the teachings of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 8, an auxiliary supporting structure for children walking training comprises abase 1, a lifting supportingmechanism 2 and a movingspeed limiting mechanism 3, wherein thebase 1 is integrally of an annular rectangular structure, the lifting supportingmechanism 2 is fixedly mounted at the upper end of thebase 1, and a plurality of moving speedlimiting mechanisms 3 are uniformly arranged on the lower end surface of thebase 1 along the edge of the lower end surface.

Thelifting support mechanism 2 comprises a supportingplate 21, a fixed block 22, alifting bar 23, a lockingbranched chain 24, a movingblock 25, asliding rod 26, anadjusting groove 27, an adjustingspring 28, ananti-collision spring 29 and ananti-collision plate 20, the front end and the rear end of the upper end face of thebase 1 are respectively provided with the adjustinggroove 27 which are bilaterally symmetrical, thesliding rod 26 is fixedly arranged in the adjustinggroove 27, thesliding rod 26 is sleeved with the movingblock 25 in a sliding manner, thesliding rod 26 is sleeved with the adjustingspring 28, one end of the adjustingspring 28 is connected with the end face of the movingblock 25 far away from the center of thebase 1, the other end of the adjustingspring 28 is fixedly connected to the side wall of the adjustinggroove 27 far away from the center of thebase 1, the upper end face of the movingblock 25 is rotatably connected with thelifting bar 23 in a ball hinge manner, the supportingplate 21 is arranged right above thebase 1, the center, the upper end of thelifting strip 23 rotationally connected with the left movingblock 25 is rotationally connected with the right fixed block 22 through a ball hinge, the upper end of thelifting strip 23 rotationally connected with the right movingblock 25 is rotationally connected with the left fixed block 22 through a ball hinge, the junction of the twolifting strips 23 which are arranged in a crossed manner is rotationally matched through a pin shaft, and lockingbranched chains 24 are arranged on the two crossedlifting strips 23; the lockingbranched chain 24 compriseslocking blocks 241, anannular groove 242,cushion blocks 243 andlocking bolts 244, wherein thelocking blocks 241 are of an annular structure, thelocking blocks 241 are provided with theannular groove 242, thelifting strips 23 are provided with threaded holes, the two crossedlifting strips 23 are matched with onelocking block 241, one end of eachlocking bolt 244 penetrates through theannular groove 242 to be matched with the threaded hole in the lifting block in a threaded manner, thecushion block 243 is sleeved on eachlocking bolt 244, and thecushion block 243 is located between thelocking blocks 241 and the cap of thelocking bolt 244; the even fixedly connected withanticollision spring 29 ofbase 1 lateral wall circumference, theanticollision spring 29 other end is fixed onanticollision board 20,anticollision board 20 wholly is annular Contraband type structure,anticollision board 20 fixed mounting is on the lateral wall ofbase 1,anticollision board 20 has certain buffering elasticity.

When the lifting device works specifically, thelocking bolt 244 is manually screwed by means of a wrench, so that thecushion block 243 is not extruded and abutted against thelocking block 241, a certain gap is formed between thelocking block 241 and thelifting bar 23, thelifting bar 23 is convenient to rotate, thelifting bar 23 at the upper end of the supportingplate 21 is manually pressed by the adjustingspring 28 and rotates through the middle pin shaft, so that the height adjustment of the supportingplate 21 is realized, when thelifting bar 23 rotates and is adjusted, the movingblock 25 is driven to move on thesliding rod 26, when the supportingplate 21 moves downwards, the adjustingspring 28 is compressed by the movingblock 25 to be in a compressed state, when the supportingplate 21 moves upwards, the adjustingspring 28 in the compressed state has an acting force for pushing the movingblock 25, so that the movingblock 25 drives thelifting bar 23 to rotate, the supportingplate 21 moves upwards, when the proper position is adjusted, thelocking bolt 244 is manually screwed by means of the wrench, so that thelocking bolt 244 extrudes, thelocking block 241 is tightly contacted with thelifting bar 23, the rotation of thelifting bar 23 is limited by the friction force between thelocking block 241 and thelifting bar 23, the height of the supportingplate 21 is finally adjusted and then fixed, children grow fast, the lifting of the supportingplate 21 is gradually increased, and therefore the supportingplate 21 needs to be lifted so as to be suitable for children. Be provided withanticollision board 20 onbase 1 lateral wall, be provided withanticollision spring 29 betweenanticollision board 20 and thebase 1, whenbase 1 lateral wall and foreign object striking, throughanticollision board 20 andanticollision spring 29, alleviate the striking sense that children received, effectively also can prevent this structure turnover simultaneously, protect children's health safety.

The moving speed-limiting mechanism 3 comprises a connectingseat 31, arotating block 32, afixed shaft 33, astop block 34, amounting seat 35, adamping spring 36, ahub component 37, a speed-limitingbranched chain 38, an auxiliary branched chain 39, amounting shaft 3a and atire 3b, the connectingseat 31 is uniformly fixed on the lower end surface of thebase 1 along the edge of the lower end surface, the connectingseat 31 is fixed on the lower end surface of thebase 1 through bolts, the rotatingblock 32 is rotatably connected on the lower end surface of the connectingseat 31, a rotating groove is formed on the lower end surface of the connectingseat 31, abaffle plate 32c is fixedly mounted at the upper end of the rotatingblock 32, the rotatingblock 32 rotates in the rotating groove on the connectingseat 31 through thebaffle plate 32c, themounting seat 35 is arranged below the rotatingblock 32, the upper end of thefixed shaft 33 is fixed on the rotatingblock 32, a round hole is formed, the lower end of thefixed shaft 33 is fixedly welded with astop block 34 for preventing themounting seat 35 from falling off, adamping spring 36 is sleeved on thefixed shaft 33, thedamping spring 36 is located between the rotatingblock 32 and the top of themounting seat 35, themounting seat 35 is integrally of a triangular structure, the middle of the lower end of the mounting seat is of a hollow structure, a hub assembly is arranged in the middle of the lower end of themounting seat 35,mounting shafts 3a are fixedly connected to the middle of two sides of the hub assembly, the other end of eachmounting shaft 3a is fixed on themounting seat 35 through a bearing, atire 3b convenient for the hub assembly to rotate is mounted on the outer side wall of the hub assembly, and a speed-limiting branched chain;wheel hub subassembly 37 includepivot 371, connectingblock 372 andcollar 373,pivot 371 both ends fixed connection is oninstallation axle 3a, the fixed welding of axis of rotation lateral wall center department has connectingblock 372, connectingblock 372 is the ring structure, the fixed welding hascollar 373 on the connectingblock 372 lateral wall, installtire 3b on thecollar 373 lateral wall.

During specific work, the rotatingblock 32 can rotate on the connectingseat 31 through thebaffle 32c, so that themounting seat 35 is driven to synchronously rotate through thefixing shaft 33, thetire 3b can rotate in all horizontal directions, the structure can move anywhere on a horizontal plane, meanwhile, the horizontal plane has unevenness and even pot holes, and during walking, the phenomenon of bumping and rollover easily occurs, thefixing shaft 33 is sleeved with thedamping spring 36, so that thefixing shaft 33 can slide up and down on themounting seat 35, the damping effect is realized, bumping and rollover are avoided, thestop block 34 is arranged at the lower end of thefixing shaft 33, themounting seat 35 can be effectively prevented from sliding away from thefixing shaft 33, the speed-limitingbranched chain 38 and the auxiliary branched chain 39 are arranged on the hub component, when walking, the speed is too high, the speed-limitingbranched chain 38 and the auxiliary branched chain 39 can perform a certain speed-limiting effect on the hub component, and the rotation speed of the, the children can only walk and move at a speed within a certain range, so that the children are effectively prevented from turning on one's side when moving fast, and the children are prevented from colliding with external objects, and the personal safety of the children is protected.

Speed limit branch 38 includetelescopic link 381,spring 382,speed limit piece 383,friction plate 384,spring lever 385,fixing base 386 and connectingrod 387, the even fixed mounting in side department circumference hastelescopic link 381 around on thepivot 371 lateral wall,telescopic link 381 of side department around on thepivot 371 uses connectingblock 372 to distribute as the central mirror image, the fixed welding oftelescopic link 381 other end hasspeed limit piece 383, the cover is equipped withspring 382 ontelescopic link 381,spring 382 both ends are fixed respectively onpivot 371 andspeed limit piece 383, the terminal surface thatspeed limit piece 383faces connecting block 372 sets up to the inclined plane, the inclined plane is from last direction slope of keeping away from connectingblock 372 down, alongpivot 371 along the even fixed welding of center circumference on the relative inside wall ofmount pad 35 has connectingrod 387, connectingrod 387 andspeed limit piece 383 one-to-one set up, a fixedseat 386 is fixedly welded at the other end of the connectingrod 387, a plurality ofspring rods 385 are uniformly arranged on the other side surface of thefixed seat 386, the other ends of thespring rods 385 are fixedly arranged on afriction plate 384, a certain distance is reserved between the other side surface of thefriction plate 384 and the connectingblock 372, the inclined surface of thespeed limiting block 383 is in contact with one side end surface of thefriction plate 384, and thespeed limiting block 383 is positioned between thefriction plate 384 and thefixed seat 386; when the hub drives thetire 3b to roll on the ground, when the rotation speed of the hub reaches a certain high degree, under the action of centrifugal force, the firsttelescopic rod 381 can drive thespeed limiting block 383 to move along the axis of the firsttelescopic rod 381 and towards the direction of stretching thefirst spring 382, the inclined surface of thespeed limiting block 383 can contact with the side surface of thefriction plate 384 and starts to press thefriction plate 384 to move towards the connectingblock 372, then thefriction plate 384 rubs the connectingblock 372 to limit the speed of the hub, after the speed is reduced, under the action of thefirst spring 382, thespeed limiting block 383 can move towards the initial position, then under the action of thespring rod 385, thefriction plate 384 can move towards the direction far away from the connectingblock 372, and therefore the speed limitation of thefriction plate 384 to the hub is relieved.

The auxiliary branched chain 39 comprises anauxiliary groove 391, a secondtelescopic rod 392, asecond spring 393, anauxiliary block 394 and afriction block 395, wherein a plurality ofauxiliary grooves 391 are uniformly arranged in the connectingblock 372 along therotating shaft 371 as the center in the circumferential direction, the secondtelescopic rod 392 is arranged in theauxiliary groove 391, one end of the secondtelescopic rod 392 is fixed on the side wall of theauxiliary groove 391 at one side of therotating shaft 371, the other end of the secondtelescopic rod 392 is fixedly welded on theauxiliary block 394, thesecond spring 393 is sleeved on arod 385 of thesecond spring 393, thefriction blocks 395 are fixedly installed on the front side wall and the rear side wall of theauxiliary block 394, and thefriction blocks 395 have a certain distance from the inner side wall of the mounting ring; during specific work, when the wheel hub drives thetire 3b to roll on the ground to walk, after the wheel hub rotating speed reaches a certain high degree, under the effect of centrifugal force, the secondtelescopic rod 392 drives theauxiliary block 394 to move along the axis of the secondtelescopic rod 392 and towards the direction of stretching thesecond spring 393, until thefriction block 395 on theauxiliary block 394 contacts with the inner wall of themounting ring 373, so that the inner wall of themounting ring 373 is subjected to friction speed limiting, the speed limiting on the wheel hub is realized, after the speed is reduced, under the effect of thesecond spring 393, thefriction block 395 moves towards the initial position, and the speed limiting on the inner wall of themounting ring 373 is released.

The method comprises the following specific steps during working:

the first step is as follows: according to different heights of children, the height of thebearing plate 21 is adjusted through thelifting support mechanism 2;

the second step is that: the child stands within the ring of thebase 1 through the through-holes in thesupport plate 21 and then supports the child restraint on the support plate 21:

the third step: when the child walks in a moving speed-limiting way, the child is limited within a certain speed range, so that personal safety caused by too high speed is prevented.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

Translated fromChinese

1.一种儿童行走训练辅助支撑结构，包括底座(1)、升降支撑机构(2)以及移动限速机构(3)，其特征在于：所述的底座(1)整体为环状矩形结构，所述底座(1)上端固定安装有升降支撑机构(2)，所述底座(1)下端面沿其边缘处均匀设置有若干个移动限速机构(3)；其中：1. an auxiliary support structure for children's walking training, comprising a base (1), a lifting support mechanism (2) and a moving speed-limiting mechanism (3), characterized in that: the base (1) is an annular rectangular structure as a whole, A lifting support mechanism (2) is fixedly installed on the upper end of the base (1), and a plurality of moving speed-limiting mechanisms (3) are evenly arranged on the lower end surface of the base (1) along its edge; wherein:所述的升降支撑机构(2)包括承托板(21)、固定块(22)、升降条(23)、锁紧支链(24)、移动块(25)、滑动杆(26)、调节槽(27)、调节弹簧(28)、防撞弹簧(29)以及防撞板(20)，所述底座(1)上端面前后端处均开设有左右对称的调节槽(27)，所述调节槽(27)内固定安装有滑动杆(26)，滑动杆(26)上滑动套设有移动块(25)，所述滑动杆(26)上套设有调节弹簧(28)，所述调节弹簧(28)一端与移动块(25)远离底座(1)中心的端面相连接，另一端固定连接在调节槽(27)远离底座(1)中心的侧壁上，所述移动块(25)上端面通过球铰链方式转动连接有升降条(23)，所述底座(1)正上方设置有承托板(21)，所述承托板(21)中心开设有便于儿童站立的贯穿孔，所述承托块下端面左右对称固定安装有固定块(22)，与左侧移动块(25)转动连接的所述升降条(23)上端通过球铰链与右侧所述固定块(22)相转动连接，与右侧移动块(25)转动连接的所述升降条(23)上端通过球铰链与左侧所述固定块(22)相转动连接，两个所述交叉设置的所述升降条(23)交界处通过销轴相转动配合，两个交叉的所述升降条(23)上设置有锁紧支链(24)，所述底座(1)外侧壁周向均匀固定连接有防撞弹簧(29)，所述防撞弹簧(29)另一端固定在防撞板(20)上，所述防撞板(20)整体为环形的匚型结构，所述防撞板(20)固定安装在底座(1)的外侧壁上，所述防撞板(20)具有一定的缓冲弹性；The lifting and supporting mechanism (2) comprises a supporting plate (21), a fixing block (22), a lifting bar (23), a locking branch chain (24), a moving block (25), a sliding rod (26), an adjustment A slot (27), an adjustment spring (28), an anti-collision spring (29) and an anti-collision plate (20), the upper end of the base (1) is provided with a left-right symmetrical adjustment slot (27) at the front and rear ends. A sliding rod (26) is fixedly installed in the adjusting groove (27), a moving block (25) is slidably sleeved on the sliding rod (26), and an adjusting spring (28) is sleeved on the sliding rod (26). One end of the adjustment spring (28) is connected to the end face of the moving block (25) away from the center of the base (1), and the other end is fixedly connected to the side wall of the adjustment groove (27) away from the center of the base (1). ) A lifting bar (23) is rotatably connected to the upper end surface by a ball hinge, a support plate (21) is arranged directly above the base (1), and a through hole is opened in the center of the support plate (21) for children to stand. A fixed block (22) is installed symmetrically on the lower end surface of the supporting block, and the upper end of the lifting bar (23), which is rotatably connected with the left moving block (25), is connected to the right fixed block (22) through a ball hinge ) is rotatably connected, and the upper end of the lifting bar (23) rotatably connected with the right side moving block (25) is rotatably connected with the left side fixing block (22) through a ball hinge, and the two said cross-arranged said The junction of the lifting bars (23) is rotated and matched by a pin shaft, a locking branch chain (24) is arranged on the two crossed lifting bars (23), and the outer side wall of the base (1) is uniformly and fixedly connected in the circumferential direction. An anti-collision spring (29), the other end of the anti-collision spring (29) is fixed on the anti-collision plate (20), and the anti-collision plate (20) is a ring-shaped structure as a whole, and the anti-collision plate (20) ) is fixedly installed on the outer side wall of the base (1), and the anti-collision plate (20) has a certain buffer elasticity;所述的移动限速机构(3)包括连接座(31)、转动块(32)、固定轴(33)、挡块(34)、安装座(35)、减震弹簧(36)、轮毂组件(37)、限速支链(38)、辅助支链(39)、安装轴(3a)以及轮胎(3b)，所述底座(1)下端面沿其边缘处均匀固定有连接座(31)，所述连接座(31)通过螺栓固定在底座(1)下端面上，所述连接座(31)下端面转动连接有转动块(32)，所述转动块(32)下方设置有安装座(35)，所述固定轴(33)上端固定在转动块(32)上，所述安装座(35)底部上端面开设有圆孔，所述固定轴(33)下端滑动穿过安装座(35)上的圆孔，所述固定轴(33)下端固定焊接有防止安装座(35)脱落的挡块(34)，所述固定轴(33)上套设有减震弹簧(36)，所述减震弹簧(36)位于转动块(32)和安装座(35)顶部之间，所述安装座(35)整体为三角形结构，且下端中部为空心结构，所述安装座(35)下端中部处设置有轮毂，所述轮毂两侧中部处固定连接有安装轴(3a)，所述安装轴(3a)另一端通过轴承固定在安装座(35)上，所述轮毂外侧壁上安装有便于轮毂转动的轮胎(3b)，所述轮毂上设置有限速支链(38)和辅助支链(39)。The moving speed limiting mechanism (3) includes a connecting seat (31), a rotating block (32), a fixed shaft (33), a stopper (34), a mounting seat (35), a shock-absorbing spring (36), and a wheel hub assembly (37), a speed-limiting branch chain (38), an auxiliary branch chain (39), a mounting shaft (3a) and a tire (3b), a connecting seat (31) is evenly fixed on the lower end surface of the base (1) along its edge , the connecting seat (31) is fixed on the lower end surface of the base (1) by bolts, the lower end surface of the connecting seat (31) is rotatably connected with a rotating block (32), and a mounting seat is arranged below the rotating block (32) (35), the upper end of the fixed shaft (33) is fixed on the rotating block (32), the upper end surface of the bottom of the mounting seat (35) is provided with a circular hole, and the lower end of the fixed shaft (33) slides through the mounting seat (35). 35), the lower end of the fixed shaft (33) is fixedly welded with a stopper (34) to prevent the mounting seat (35) from falling off, and a shock-absorbing spring (36) is sleeved on the fixed shaft (33), The shock-absorbing spring (36) is located between the rotating block (32) and the top of the mounting seat (35). A wheel hub is arranged in the middle of the lower end, a mounting shaft (3a) is fixedly connected to the middle of the two sides of the wheel hub, the other end of the mounting shaft (3a) is fixed on the mounting seat (35) through a bearing, and the outer side wall of the wheel hub is mounted on the There is a tire (3b) that facilitates the rotation of the wheel hub, and a speed-limiting branch chain (38) and an auxiliary branch chain (39) are arranged on the wheel hub.2.根据权利要求书1的一种儿童行走训练辅助支撑结构，其特征在于：所述的锁紧支链(24)包括锁紧块(241)、环形槽(242)、垫块(243)以及锁紧螺栓(244)，所述锁紧块(241)为环形结构，所述锁紧块(241)上开设有环形槽(242)，所述升降条(23)上开设有螺纹孔，两个交叉的所述升降条(23)与一个所述锁紧块(241)相配合，所述锁紧螺栓(244)一端穿过环形槽(242)与升降块上的螺纹孔相螺纹配合，所述锁紧螺栓(244)上套设有垫块(243)，所述垫块(243)位于锁紧块(241)与锁紧螺栓(244)的帽盖之间。2. A child walking training auxiliary support structure according to claim 1, characterized in that: the locking branch chain (24) comprises a locking block (241), an annular groove (242), a cushion block (243) and a locking bolt (244), the locking block (241) is an annular structure, the locking block (241) is provided with an annular groove (242), and the lifting bar (23) is provided with a threaded hole, The two crossed lifting bars (23) are matched with one of the locking blocks (241), and one end of the locking bolts (244) passes through the annular groove (242) and is threadedly matched with the threaded holes on the lifting block A spacer (243) is sleeved on the locking bolt (244), and the spacer (243) is located between the locking block (241) and the cap of the locking bolt (244).3.根据权利要求书1的一种儿童行走训练辅助支撑结构，其特征在于：所述的轮毂组件(37)包括转轴(371)、连接块(372)以及安装环(373)，所述转轴(371)两端固定连接在安装轴(3a)上，所述转动轴外侧壁中心处固定焊接有连接块(372)，所述连接块(372)为圆环结构，所述连接块(372)外侧壁上固定焊接有安装环(373)，所述安装环(373)外侧壁上安装有轮胎(3b)。3. A child walking training auxiliary support structure according to claim 1, characterized in that: the hub assembly (37) comprises a rotating shaft (371), a connecting block (372) and a mounting ring (373), the rotating shaft (371) Both ends are fixedly connected to the installation shaft (3a), and a connecting block (372) is fixedly welded at the center of the outer side wall of the rotating shaft. The connecting block (372) is a ring structure, and the connecting block (372) ) A mounting ring (373) is fixedly welded on the outer sidewall, and a tire (3b) is mounted on the outer sidewall of the mounting ring (373).4.根据权利要求书3的一种儿童行走训练辅助支撑结构，其特征在于：所述的限速支链(38)包括一号伸缩杆(381)、一号弹簧(382)、限速块(383)、摩擦板(384)、弹簧杆(385)、固定座(386)以及连接杆(387)，所述转轴(371)外侧壁上前后侧处周向均匀固定安装有一号伸缩杆(381)，所述转轴(371)上前后侧处的一号伸缩杆(381)以连接块(372)为中心镜像分布，所述一号伸缩杆(381)另一端固定焊接有限速块(383)，所述一号伸缩杆(381)上套设有一号弹簧(382)，所述一号弹簧(382)两端分别固定在转轴(371)和限速块(383)上，所述限速块(383)朝向连接块(372)的端面设置为倾斜面，所述倾斜面为从上往下朝向远离连接块(372)的方向倾斜，所述安装座(35)相对内侧壁上沿转轴(371)为中心周向均匀固定焊接有连接杆(387)，所述连接杆(387)与限速块(383)一一对应设置，所述连接杆(387)另一端固定焊接有固定座(386)，所述固定座(386)另一侧面均匀设置有多个弹簧杆(385)，所述弹簧杆(385)另一端固定安装在摩擦板(384)上，所述摩擦板(384)另一侧面与连接块(372)有一定的间距，所述限速块(383)倾斜面与摩擦板(384)的一侧端面相接触，所述限速块(383)位于摩擦板(384)与固定座(386)之间。4. A child walking training auxiliary support structure according to claim 3, characterized in that: the speed-limiting branch chain (38) comprises a No. 1 telescopic rod (381), a No. 1 spring (382), a speed-limiting block (383), friction plate (384), spring rod (385), fixing seat (386) and connecting rod (387), a No. 1 telescopic rod ( 381), the No. 1 telescopic rod (381) on the front and rear sides of the rotating shaft (371) is mirrored with the connecting block (372) as the center, and the other end of the No. 1 telescopic rod (381) is fixed and welded with a speed-limiting block (383). ), the No. 1 telescopic rod (381) is sleeved with a No. 1 spring (382), and the two ends of the No. 1 spring (382) are respectively fixed on the rotating shaft (371) and the speed limit block (383). The end surface of the speed block (383) facing the connecting block (372) is set as an inclined surface, and the inclined surface is inclined from top to bottom toward the direction away from the connecting block (372), and the mounting seat (35) is opposite to the upper edge of the inner side wall. A connecting rod (387) is uniformly fixed and welded in the circumferential direction as the center of the rotating shaft (371). A seat (386), the other side of the fixing seat (386) is evenly provided with a plurality of spring rods (385), and the other end of the spring rods (385) is fixedly installed on the friction plate (384), the friction plate ( 384) There is a certain distance between the other side surface and the connecting block (372), the inclined surface of the speed limiter block (383) is in contact with one end face of the friction plate (384), and the speed limiter block (383) is located on the friction plate. (384) and the fixing seat (386).5.根据权利要求书3的一种儿童行走训练辅助支撑结构，其特征在于：所述的辅助支链(39)包括辅助槽(391)、二号伸缩杆(392)、二号弹簧(393)、辅助块(394)以及摩擦块(395)，所述连接块(372)内部沿其转轴(371)为中心周向均匀开设有多个辅助槽(391)，所述辅助槽(391)内设置有二号伸缩杆(392)，所述二号伸缩杆(392)一端固定在位于转轴(371)一侧的辅助槽(391)侧壁上，另一端固定焊接在辅助块(394)上，所述二号弹簧(393)杆(385)上套设有二号弹簧(393)，所述辅助块(394)前后侧壁上固定安装有摩擦块(395)，所述摩擦块(395)离安装环(373)内侧壁有一定的间距。5. A kind of auxiliary supporting structure for children's walking training according to claim 3, characterized in that: the auxiliary branch chain (39) comprises an auxiliary groove (391), a No. 2 telescopic rod (392), a No. 2 spring (393) ), an auxiliary block (394) and a friction block (395), a plurality of auxiliary grooves (391) are evenly opened in the inner circumference of the connecting block (372) along its rotation axis (371) as the center, and the auxiliary grooves (391) A No. 2 telescopic rod (392) is arranged inside, one end of the No. 2 telescopic rod (392) is fixed on the side wall of the auxiliary groove (391) located on one side of the rotating shaft (371), and the other end is fixed and welded to the auxiliary block (394) The No. 2 spring (393) rod (385) is sleeved with a No. 2 spring (393), and friction blocks (395) are fixedly installed on the front and rear side walls of the auxiliary block (394). 395) has a certain distance from the inner side wall of the mounting ring (373).6.根据权利要求书1的一种儿童行走训练辅助支撑结构，其特征在于：所述的连接座(31)下端面开设有转动槽，所述转动块(32)上端固定安装有挡板(32c)，所述转动块(32)通过挡板(32c)在连接座(31)上的转动槽内转动。6. A child walking training auxiliary support structure according to claim 1, characterized in that: the lower end face of the connecting seat (31) is provided with a rotating groove, and the upper end of the rotating block (32) is fixedly installed with a baffle (32). 32c), the rotating block (32) rotates in the rotating groove on the connecting seat (31) through the baffle plate (32c).

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