阅读说明：本技术 一种儿科用带矫正功能的婴儿爬行辅助器 (Paediatrics is with baby that area corrected function assistor of crawling ) 是由 阮杰辉 于 2020-12-16 设计创作，主要内容包括：本发明公开了一种儿科用带矫正功能的婴儿爬行辅助器,包括壳体,所述壳体内设有安置腔,所述安置腔设有用于使婴儿腰部升起的顶升装置,所述顶升装置两侧分别设有助力婴儿前进的爬行装置,所述顶升装置上侧设有锻炼婴儿手臂的摆动装置,本发明为了克服现有技术中婴儿爬行姿势无法得到准确的辅助,提供一种儿科用带矫正功能的婴儿爬行辅助器,帮助婴儿爬行过程中身体姿势得到调整,使得婴儿尽早学会正确的爬行姿势,帮助婴儿智力发育,使得婴儿在爬行的过程中双腿能交替的得到支撑点,同时本发明还可更具婴儿腿部的长短,手动调解至适合婴儿腿部长度。(The invention discloses a baby crawling assist device with a correction function for pediatrics, which comprises a shell, wherein a placement cavity is arranged in the shell, a jacking device used for lifting the waist of a baby is arranged in the placement cavity, crawling devices assisting the baby to advance are respectively arranged on two sides of the jacking device, and a swinging device used for exercising arms of the baby is arranged on the upper side of the jacking device.)

1. A baby crawling assistance device with correction function for pediatrics comprises a shell (42), and is characterized in that: a placing cavity (41) is arranged in the shell (42), the placing cavity (41) is provided with a jacking device used for lifting the waist of the baby, the two sides of the jacking device are respectively provided with a crawling device for assisting the baby to advance, the upper side of the jacking device is provided with a swinging device for exercising the arms of the baby, the crawling device comprises an auxiliary shell (20) fixedly arranged on one end surface of the shell (42), a lifting cavity (62) is arranged in the auxiliary shell (20), two through holes (63) are symmetrically formed in the inner wall of the lifting cavity (62) in a bilateral mode, a first rotating shaft (19) is rotatably arranged on the inner walls of four through holes (63) of the crawling device, a first cam (58) is arranged on the first rotating shaft (19) of the crawling device, one of the two first cams (58) is symmetrically arranged after rotating by 90 degrees, two lifting grooves (21) are symmetrically formed in the inner wall of the lifting, the two lifting grooves (21) are internally provided with convex blocks (23) in a sliding manner respectively, the two convex blocks (23) are connected with the upper end walls of the two lifting grooves (21) through first springs (22), the two convex blocks (23) are fixedly provided with connecting shafts (24) on opposite end faces, the upper end walls of the connecting shafts (24) are provided with rolling cavities (60), balls (61) are arranged in the rolling cavities (60) in a rolling manner, the balls (61) are abutted against the first cams (58), the connecting shafts (24) are provided with adjusting cavities (53), the adjusting cavities (53) are internally provided with connecting plates (26) in a sliding manner, the upper end faces of the connecting plates (26) are connected with the upper end walls of the adjusting cavities (53) through second springs (25), the left end faces of the connecting plates (26) are fixedly provided with supporting plates (27), and the supporting plates (27) are internally provided with intermediate blocks (32) in a sliding manner, the lower end face of the middle block (32) is connected with the lower end wall of the supporting plate (27) through two third springs (28), and a first air cushion (33) is fixedly arranged on the upper end face of the middle block (32).

2. The infant crawling assistance device with correction function for pediatrics as claimed in claim 1, wherein: the crawling device further comprises a plurality of adjusting holes (54) evenly formed in the connecting plate (26) along the length direction of the connecting plate (26), bolts (56) are arranged in the adjusting holes (54) in a rotating mode, a threaded cavity (55) is formed in one end wall of each adjusting cavity (53), one end face of each bolt (56) is in threaded connection with the inner wall of each bolt (56), and a hexagonal countersunk head (57) is formed in the other end face of each bolt.

3. The baby crawling assistance device with correction function for pediatrics as claimed in claim 2, wherein: the crawling device further comprises a first electrifying block (31) fixedly arranged on the lower end face of the middle block (32), the first electrifying block (31) is connected with a power supply through an electric wire, a second electrifying block (29) is fixedly arranged on the upper end face of the supporting plate (27), the second electrifying block (29) is connected with a delay electricity-requiring device (68) through an electric wire, the delay electricity-requiring device (68) is fixedly arranged on the upper end wall of the arranging cavity (41), the delay electricity-requiring device (68) is connected with the motor (38) through an electric wire, the second electrifying block is fixedly arranged on the lower end wall of the arranging cavity (41), a first bevel gear (39) is fixedly arranged on the output shaft of the motor (38), a second bevel gear (40) is fixedly arranged on the first rotating shaft (19), and the first bevel gear (39) is meshed with the second bevel gear (40).

4. The baby crawling assistance device with correction function for pediatrics as claimed in claim 1, wherein: jacking device includes that bilateral symmetry sets up settle two sets of runner assembly in chamber (41), runner assembly is including fixed band pulley (34) that sets up on first axis of rotation (19), it is equipped with second axis of rotation (36) to settle chamber (41) inner wall rotation, the diameter of second axis of rotation (36) is the half of band pulley (34) diameter, second axis of rotation (36) with band pulley (34) are connected through drive belt (35) transmission, fixed second cam (37) that is equipped with on second axis of rotation (36).

5. The baby crawling assistance device with correction function for pediatrics as claimed in claim 4, wherein: the jacking device also comprises a second rotating shaft (48) which is rotatably arranged on the rear end wall of the placing cavity (41), a sleeve (49) is fixedly arranged on the second rotating shaft (48), a rotating plate (50) is fixedly arranged on the sleeve (49), the rotating plate (50) is abutted against the second cam (37), a second air cushion (52) is fixedly arranged on the lower end surface of the shell (42), a third air cushion (47) is arranged on the front end wall of the mounting cavity (41), the third air cushion (47) is positioned in front of the second cam (37), the third air cushion (47) is fixedly arranged on the shell (42), a plurality of groups of rolling components are uniformly arranged on the lower end surface of the shell (42) along the length direction, the rolling component comprises a rotating cavity (45) arranged on the lower end surface of the shell (42), the rotating rod (43) is arranged in the rotating cavity (45) in a rotating mode, and the rotating rod (43) is abutted to the ground.

6. The baby crawling assistance device with correction function for pediatrics as claimed in claim 5, wherein: the swing device comprises a supporting block (11) fixedly arranged on the upper end face of a shell (42), two groups of swing components are symmetrically arranged on the supporting block (11) in a left-right mode and comprise swing cavities (12) formed in one end face of the supporting block (11), a fourth rotating shaft (15) is rotatably arranged on the inner wall of each swing cavity (12), a cylinder (14) is fixedly arranged on each fourth rotating shaft (15), the upper end face and the lower end face of each cylinder (14) are connected with the inner wall of each swing cavity (12) through two fourth springs (13), and the four fourth rotating shafts (15) are in transmission connection through a transmission belt (16).

Technical Field

The invention belongs to the field of medical treatment, and particularly relates to a baby crawling assisting device with a correcting function for pediatrics.

Background

According to research and study, the intelligence of the baby crawling earlier is developed earlier, so that the baby in the four-five months old often starts to exercise crawling ability under the guidance of parents, and the parents pull up the abdomen of the baby to exercise or hold down the ankle of the baby to assist the baby to crawl, however, the conventional posture is that the parents consume a large amount of physical strength, and the crawling posture of the baby is incorrect, so that the baby crawls with one leg or with both hands, or the waist does not exert force in the crawling process, so that an effective baby crawling assisting tool is needed to help the parents to correct the crawling posture of the baby, and arm force, leg pushing force and waist force can be exercised simultaneously in the crawling process of the baby.

Disclosure of Invention

The baby crawling auxiliary device with the correction function for the department of pediatrics is provided for overcoming the defect that the crawling posture of a baby cannot be accurately assisted in the prior art, and helps the baby to adjust the body posture in the crawling process, so that the baby learns the correct crawling posture as soon as possible and helps the baby to develop intelligence.

The technical scheme of the invention is as follows: a baby crawling assistor with a correction function for pediatrics comprises a shell, wherein a placement cavity is arranged in the shell, the placement cavity is provided with a jacking device used for lifting the waist of a baby, crawling devices assisting the baby to advance are respectively arranged on two sides of the jacking device, a swinging device used for exercising arms of the baby is arranged on the upper side of the jacking device, the crawling device comprises an auxiliary shell fixedly arranged on one end face of the shell, a lifting cavity is arranged in the auxiliary shell, two through holes are symmetrically formed in the inner wall of the lifting cavity, a first rotating shaft is rotationally arranged on the inner walls of four through holes of the two crawling devices, a first cam is arranged on the first rotating shaft of the crawling device, one of the two first cams is symmetrically arranged after rotation, two lifting grooves are symmetrically formed in the left and right direction of the inner wall of the lifting cavity, and lugs are respectively arranged in the, the lifting groove comprises two lugs and two lifting groove upper end walls, wherein the lugs are connected through first springs respectively, two opposite end faces of the lugs are fixedly provided with a connecting shaft, a rolling cavity is formed in the upper end wall of the connecting shaft, balls are arranged in the rolling cavity in a rolling mode and abut against first cams, an adjusting cavity is formed in the connecting shaft, a connecting plate is arranged in the adjusting cavity in a sliding mode, the connecting plate upper end face and the adjusting cavity upper end wall are connected through second springs, a supporting plate is fixedly arranged on the left end face of the connecting plate, an intermediate block is arranged in the supporting plate in a sliding mode, the intermediate block lower end face and the supporting plate lower end wall are connected through two third springs, and a first air cushion is fixedly arranged on the intermediate block upper end face.

Preferably, the crawling device further comprises a plurality of adjusting holes uniformly formed in the connecting plate along the length direction of the connecting plate, bolts are arranged in the adjusting holes in a rotating mode, a threaded cavity is formed in one end wall of each adjusting cavity, one end face of each bolt is in threaded connection with the inner wall of each bolt, and a hexagonal countersunk head is formed in the other end face of each bolt.

Preferably, the crawling device further comprises a first electrifying block fixedly arranged on the lower end face of the middle block, the first electrifying block is connected with a power supply through an electric wire, a second electrifying block is fixedly arranged on the upper end face of the supporting plate, the second electrifying block is connected with a delay electric appliance through an electric wire, the delay electric appliance is fixedly arranged on the upper end wall of the arrangement cavity, the delay electric appliance is connected with a motor through an electric wire, the fixing device is fixedly arranged on the lower end wall of the arrangement cavity, a first bevel gear is fixedly arranged on an output shaft of the motor, a second bevel gear is fixedly arranged on a first rotating shaft, and the first bevel gear is meshed with the second bevel gear.

Preferably, when an operator uses the baby crawling ability training device to train the baby crawling ability, the bolts are taken out of the connecting plates, and then the length of the exposed part of the connecting plates is adjusted, so that the baby crawling ability training device is suitable for the length of legs of the baby; when the baby belly-lying swinging device is used, the belly of a baby lies on the upper end face of the shell, two hands are positioned on the swinging device, and two feet are respectively positioned on the two first air cushions; when the baby climbs, the two legs alternately and forcibly pedal the first air cushion downwards respectively; when the baby pedals the first right air cushion with the right leg, the first right air cushion provides a supporting point for pushing the baby, and at the moment, the baby pedals the first air cushion with the right leg to move forwards; when the right leg of the baby pedals the first air cushion, the first electrifying block is abutted against the second electrifying block, at the moment, under the action of a delay electric appliance, the motor is started after the right leg of the baby exerts force, the motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the first cams on the left side and the right side to rotate, the first cam on the right side rotates, the right connecting shaft moves downwards, the first spring on the right side is stretched, and the first air cushion on the right side is driven by the connecting shaft on the right side to move downwards to be separated from the bottom plate of the baby foot; the first cam on the left side rotates simultaneously, so that the first spring on the left side restores to the initial state, the connecting shaft on the left side drives the convex block on the left side to move forwards to be abutted against the left leg of the baby, and a supporting point is provided for the left leg of the baby to exert force next time.

Preferably, the jacking device includes that bilateral symmetry sets up settle two sets of runner assemblies of intracavity, runner assembly is including the fixed band pulley that sets up in first axis of rotation, it is equipped with the second axis of rotation to settle intracavity wall rotation, the diameter of second axis of rotation is the half of band pulley diameter, the second axis of rotation with the band pulley passes through the drive belt and connects, the fixed second cam that is equipped with in the second axis of rotation.

Preferably, the jacking device is still including rotating the second axis of rotation that sets up at arrangement cavity rear end wall, the fixed sleeve that is equipped with in the second axis of rotation, the fixed rotor plate that is equipped with on the sleeve, the rotor plate with the second cam offsets, the fixed second air cushion that is equipped with of terminal surface under the casing, arrangement cavity front end wall is equipped with the third air cushion, the third air cushion is located second cam the place ahead, the third air cushion is fixed to be set up on the casing, the terminal surface evenly is equipped with multiunit rolling subassembly along its length direction under the casing, the rolling subassembly is including seting up the rotation chamber of terminal surface under the casing, it is equipped with the rotating rod to rotate the intracavity, rotating rod and ground butt.

Preferably, after the baby pedals the first air cushion to enable the motor to be started in a delayed mode, the motor drives the first rotating shaft to rotate, the first rotating shaft drives the belt wheel to rotate, the belt wheel drives the second rotating shaft to rotate through the transmission belt, the belt wheel rotates for one circle to enable the second rotating shaft to rotate for two circles, the second rotating shaft drives the second cam to rotate, the second cam rotates to enable the rotating plate to be driven around the second rotating shaft, the rotating plate swings to enable the third air cushion to swing up and down, and the waist of the baby can be lifted; after one of the two legs of the baby exerts force, the first rotating shaft rotates for a half circle, the waist of the baby needs to be lifted to bend the legs, and the second rotating shaft rotates for a circle to facilitate the waist of the baby to exert force to bend the legs after the waist of the baby is lifted.

Preferably, the swing device comprises a supporting block fixedly arranged on the upper end face of the shell, two groups of swing assemblies are symmetrically arranged on the supporting block in a bilateral mode, each swing assembly comprises a swing cavity formed in one end face of the supporting block, a fourth rotating shaft is arranged on the inner wall of the swing cavity in a rotating mode, a cylinder is fixedly arranged on the fourth rotating shaft, the upper end face and the lower end face of the cylinder are respectively connected with the inner wall of the swing cavity through two fourth springs, and the two fourth rotating shafts are in transmission connection through a transmission belt.

Preferably, when the cylinder is held to baby's both hands branch, when the baby crawls, when the left side cylinder is swung downwards through the left hand, the left side cylinder drives left side fourth axis of rotation anticlockwise rotation, and left side fourth axis of rotation passes through the drive belt and drives right side fourth axis of rotation and rotate, and right side fourth axis of rotation drives right side cylinder and swings downwards for the transmission and the exchange of power are experienced to baby's both arms, and when taking exercise baby's arm strength, development baby's brain develops.

Has the advantages that:

1. the baby crawling device has the advantages that the crawling device is arranged, so that two legs of a baby can alternately obtain supporting points in the crawling process, meanwhile, the length of the legs of the baby can be increased, and the length of the legs of the baby can be adjusted to be suitable for the length of the legs of the baby by hand;

2. through setting up the motion of jacking device cooperation crawl device for the baby when the crooked power of holding of shank, baby's waist rises certain height, and the cooperation baby crawls.

Drawings

FIG. 1 is an integral partial cross-sectional view of the present invention

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view of the point B in FIG. 1;

FIG. 4 is an enlarged schematic view of FIG. 1 at C;

fig. 5 is a cross-sectional view at D-D of fig. 1.

In the figure, a supporting block 11, a swing cavity 12, a fourth spring 13, a cylinder 14, a fourth rotating shaft 15, a transmission belt 16, a first rotating shaft 19, an auxiliary shell 20, a lifting groove 21, a first spring 22, a convex block 23, a connecting shaft 24, a second spring 25, a connecting plate 26, a supporting plate 27, a third spring 28, a second electrifying block 29, a first electrifying block 31, an intermediate block 32, a first air cushion 33, a belt wheel 34, a transmission belt 35, a second rotating shaft 36 and a second cam 37, the device comprises a motor 38, a first bevel gear 39, a second bevel gear 40, a mounting cavity 41, a shell 42, a rotating rod 43, a rotating cavity 45, a third air cushion 47, a second rotating shaft 48, a sleeve 49, a rotating plate 50, a second air cushion 52, an adjusting cavity 53, an adjusting hole 54, a bolt threaded cavity 55, a bolt 56, a hexagonal countersunk head 57, a first cam 58, a rolling cavity 60, a ball 61, a lifting cavity 62, a through hole 63 and a delay demand 68.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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. For convenience of description, the specific form of the spring attachment is not described below, and may be provided in the conventional manner of a mechanical design manual, i.e., by providing a groove or protrusion for positioning the spring.

As shown in fig. 1, 2 and 3, a baby crawling assistance device with correction function for pediatrics comprises a housing 42, a placement cavity 41 is arranged in the housing 42, a lifting device for lifting the waist of a baby is arranged in the placement cavity 41, crawling devices for assisting the baby to advance are respectively arranged on two sides of the lifting device, a swing device for exercising the arms of the baby is arranged on the upper side of the lifting device, the crawling device comprises an auxiliary housing 20 fixedly arranged on one end face of the housing 42, a lifting cavity 62 is arranged in the auxiliary housing 20, two through holes 63 are symmetrically arranged on the inner wall of the lifting cavity 62 in a bilateral mode, a first rotating shaft 19 is rotatably arranged on the inner wall of four through holes 63 of the two crawling devices, a first cam 58 is arranged on the first rotating shaft 19 of the crawling device, one of the two first cams 58 is symmetrically arranged after rotating for 90 degrees, two lifting grooves 21 are symmetrically arranged on the inner wall of the lifting cavity 62, two lugs 23 are connected with the upper end walls of two lifting grooves 21 through first springs 22 respectively, two lugs 23 are fixedly provided with a connecting shaft 24 towards the end face, the upper end wall of the connecting shaft 24 is provided with a rolling cavity 60, the rolling cavity 60 is internally provided with a rolling ball 61 in a rolling way, the rolling ball 61 is abutted against a first cam 58, the connecting shaft 24 is provided with an adjusting cavity 53, the adjusting cavity 53 is internally provided with a connecting plate 26 in a sliding way, the upper end face of the connecting plate 26 is connected with the upper end wall of the adjusting cavity 53 through a second spring 25, the left end face of the connecting plate 26 is fixedly provided with a supporting plate 27, the supporting plate 27 is internally provided with a middle block 32 in a sliding way, the lower end face of the middle block 32 is connected with the lower end wall of the supporting plate.

As shown in fig. 4, the crawling device further includes a plurality of adjusting holes 54 evenly arranged on the connecting plate 26 along the length direction of the connecting plate 26, a bolt 56 is arranged in the adjusting hole 54 in a rotating manner, a threaded cavity 55 is formed in one end wall of the adjusting cavity 53, one end face of the bolt 56 is in threaded connection with the inner wall of the bolt 56, and a hexagonal countersunk head 57 is formed in the other end face of the bolt 56.

As shown in fig. 1, the crawling device further comprises a first electrifying block 31 fixedly arranged on the lower end face of the middle block 32, the first electrifying block 31 is connected with a power supply through an electric wire, a second electrifying block 29 is fixedly arranged on the upper end face of the supporting plate 27, the second electrifying block 29 is connected with a delay electricity-requiring device 68 through an electric wire, the delay electricity-requiring device 68 is fixedly arranged on the upper end wall of the arranging cavity 41, the delay electricity-requiring device 68 is connected with the motor 38 through an electric wire, the second electrifying block is fixedly arranged on the lower end wall of the arranging cavity 41, a first bevel gear 39 is fixedly arranged on the output shaft of the motor 38, a second bevel gear 40 is fixedly arranged on the first rotating shaft 19.

When an operator uses the baby crawling ability training device to train the baby crawling ability, firstly, the bolts 56 are taken out of the connecting plates 26, and then the length of the exposed parts of the connecting plates 26 is adjusted, so that the baby crawling ability training device is suitable for the length of legs of a baby; when in use, the abdomen of the baby is stooped on the upper end surface of the shell 42, the two hands are positioned on the swinging device, and the two feet are respectively positioned on the two first air cushions 33; when the baby climbs, the two legs alternately and forcibly pedal the first air cushions 33 downwards respectively; when the baby pedals the right first air cushion 33 with the right leg, the right first air cushion 33 provides a supporting point for pushing with the baby, and at the moment, the baby pedals the first air cushion 33 with the right leg to move forwards; when the baby pedals the first air cushion 33 with the right leg, the first electrifying block 31 is abutted against the second electrifying block 29, at this time, under the action of the delay electricity-requiring device 68, the motor 38 is started after delaying the force applied to the baby right leg, the motor 38 drives the first bevel gear 39 to rotate, the first bevel gear 39 drives the second bevel gear 40 to rotate, the second bevel gear 40 drives the first cams 58 on the left side and the right side to rotate, the first cam 58 on the right side rotates, the right connecting shaft 24 moves downwards, the first spring 22 on the right side is stretched, and the first air cushion 33 on the right side is driven by the connecting shaft 24 to move downwards to be separated from the baby sole plate; the left first cam 58 rotates simultaneously, so that the left first spring 22 returns to the initial state, and the left connecting shaft 24 drives the left protruding block 23 to move forward to abut against the left leg of the infant, thereby providing a supporting point for the next left leg of the infant to exert force.

As shown in fig. 1 and 5, the jacking device includes two sets of rotating assemblies disposed in the placement cavity 41 in bilateral symmetry, the rotating assemblies include belt wheels 34 fixedly disposed on the first rotating shafts 19, the inner walls of the placement cavity 41 are rotatably provided with second rotating shafts 36, the diameters of the second rotating shafts 36 are half of the diameters of the belt wheels 34, the second rotating shafts 36 are in transmission connection with the belt wheels 34 through transmission belts 35, and the second rotating shafts 36 are fixedly provided with second cams 37.

As shown in fig. 1 and 5, the jacking device further includes a second rotating shaft 48 rotatably disposed on the rear end wall of the placement cavity 41, a sleeve 49 is fixedly disposed on the second rotating shaft 48, a rotating plate 50 is fixedly disposed on the sleeve 49, the rotating plate 50 abuts against the second cam 37, a second air cushion 52 is fixedly disposed on the lower end surface of the housing 42, a third air cushion 47 is disposed on the front end wall of the placement cavity 41, the third air cushion 47 is located in front of the second cam 37, the third air cushion 47 is fixedly disposed on the housing 42, a plurality of sets of rolling assemblies are uniformly disposed on the lower end surface of the housing 42 along the length direction of the lower end surface, and each rolling assembly includes a rotating cavity 45 disposed on the lower end surface of the housing.

After the baby pedals the first air cushion 33 to delay the start of the motor 38, the motor 38 drives the first rotating shaft 19 to rotate, the first rotating shaft 19 drives the belt wheel 34 to rotate, the belt wheel 34 drives the second rotating shaft 36 to rotate through the transmission belt 35, the belt wheel 34 rotates for one circle to enable the second rotating shaft 36 to rotate for two circles, the second rotating shaft 36 drives the second cam 37 to rotate, the second cam 37 rotates to enable the rotating plate 50 to drive around the second rotating shaft 48, and the rotating plate 50 swings to enable the third air cushion 47 to swing up and down, so that the waist of the baby can be lifted; when one of the legs of the baby finishes exerting force, the first rotating shaft 19 rotates for a half circle, the waist of the baby needs to be lifted to bend the leg, and the second rotating shaft 36 rotates for a circle, so that the waist of the baby is conveniently exerted to exert force to bend the leg after the waist of the baby is lifted.

As shown in fig. 1, the swing device includes a supporting block 11 fixedly disposed on the upper end surface of the housing 42, two sets of swing assemblies are symmetrically disposed on the supporting block 11 in a left-right manner, each swing assembly includes a swing cavity 12 disposed on one end surface of the supporting block 11, a fourth rotating shaft 15 is rotatably disposed on the inner wall of the swing cavity 12, a cylinder 14 is fixedly disposed on the fourth rotating shaft 15, the upper and lower end surfaces of the cylinder 14 are respectively connected with the inner wall of the swing cavity 12 through two fourth springs 13, and the two fourth rotating shafts 15 are in transmission connection through a transmission belt 16.

When the cylinder 14 is held in the branch of baby's both hands, when the baby crawls, when swinging left side cylinder 14 downwards through the left hand, left side cylinder 14 drives left side fourth axis of rotation 15 anticlockwise rotation, and left side fourth axis of rotation 15 passes through drive belt 16 and drives right side fourth axis of rotation 15 and rotate, and right side fourth axis of rotation 15 drives right side cylinder 14 and swings downwards for the transmission and the exchange of power can be experienced to baby's both arms, when training baby's arm power, development baby brain develops.

Working principle;

when an operator uses the baby crawling ability training device to train the baby crawling ability, firstly, the bolts 56 are taken out of the connecting plates 26, and then the length of the exposed parts of the connecting plates 26 is adjusted, so that the baby crawling ability training device is suitable for the length of legs of a baby; when in use, the abdomen of the baby is stooped on the upper end surface of the shell 42, the two hands are positioned on the swinging device, and the two feet are respectively positioned on the two first air cushions 33; when the baby climbs, the two legs alternately and forcibly pedal the first air cushions 33 downwards respectively; when the baby pedals the right first air cushion 33 with the right leg, the right first air cushion 33 provides a supporting point for pushing with the baby, and at the moment, the baby pedals the first air cushion 33 with the right leg to move forwards; when the baby pedals the first air cushion 33 with the right leg, the first electrifying block 31 is abutted against the second electrifying block 29, at this time, under the action of the delay electricity-requiring device 68, the motor 38 is started after delaying the force applied to the baby right leg, the motor 38 drives the first bevel gear 39 to rotate, the first bevel gear 39 drives the second bevel gear 40 to rotate, the second bevel gear 40 drives the first cams 58 on the left side and the right side to rotate, the first cam 58 on the right side rotates, the right connecting shaft 24 moves downwards, the first spring 22 on the right side is stretched, and the first air cushion 33 on the right side is driven by the connecting shaft 24 to move downwards to be separated from the baby sole plate; the left first cam 58 rotates simultaneously, so that the left first spring 22 restores to the initial state, and the left connecting shaft 24 drives the left lug 23 to move forward to abut against the left leg of the baby, thereby providing a supporting point for the next left leg of the baby to exert force;

after the baby pedals the first air cushion 33 to delay the start of the motor 38, the motor 38 drives the first rotating shaft 19 to rotate, the first rotating shaft 19 drives the belt wheel 34 to rotate, the belt wheel 34 drives the second rotating shaft 36 to rotate through the transmission belt 35, the belt wheel 34 rotates for one circle to enable the second rotating shaft 36 to rotate for two circles, the second rotating shaft 36 drives the second cam 37 to rotate, the second cam 37 rotates to enable the rotating plate 50 to drive around the second rotating shaft 48, and the rotating plate 50 swings to enable the third air cushion 47 to swing up and down, so that the waist of the baby can be lifted; when one of the two legs of the baby exerts force, the first rotating shaft 19 rotates for a half turn, the waist of the baby needs to be lifted to bend the legs, and the second rotating shaft 36 rotates for a turn, so that the waist of the baby is convenient to exert force to bend the legs after the waist of the baby has lifting action;

when the cylinder 14 is held to the baby's both hands branch, when the baby crawls, when swinging left side cylinder 14 downwards through the left hand, left side cylinder 14 drives left side fourth axis of rotation 15 anticlockwise rotation, and left side fourth axis of rotation 15 passes through drive belt 16 and drives right side fourth axis of rotation 15 and rotate, and right side fourth axis of rotation 15 drives right side cylinder 14 and swings downwards for the transmission and the exchange of power can be experienced to baby's both arms, and when training baby's arm power, development baby's brain develops.

Other parts in the present invention are not described in detail for the prior art.