CN115364433B

CN115364433B - Physical ability action training device for infants

Info

Publication number: CN115364433B
Application number: CN202210984425.5A
Authority: CN
Inventors: 徐莎莎
Original assignee: Zhengzhou Preschool Education College
Current assignee: Zhengzhou Preschool Education College
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-06-16
Anticipated expiration: 2042-08-17
Also published as: CN115364433A

Abstract

The invention relates to the technical field of physical training devices, in particular to a physical training device for infants, which comprises a bottom plate and two pull ropes, wherein a baffle is fixedly connected between the top surfaces of the bottom plate, one end of the top surface of the bottom plate is fixedly connected with a tensioning mechanism, the tensioning mechanism comprises two opposite supporting plates, the bottom ends of the supporting plates are fixedly connected with the bottom plate, two moving assemblies are fixedly connected between the two supporting plates, one end of the top side of each moving assembly is slidably connected with a moving plate, and the other end of the top side of each moving assembly is slidably connected with a push rod assembly. According to the invention, through the arrangement of the tensioning mechanism and the pedal, the transmission mechanism is controlled through the pedal, so that the push rod assembly is controlled to move forwards and backwards, the pulling force of the pull rope is automatically controlled by a user in the sit-up process, the pulling force is adjusted without interrupting exercise, or other people assist in adjusting the pulling force at one side, and the sit-up device is convenient to adjust.

Description

Physical ability action training device for infants

Technical Field

The invention relates to the technical field of physical exercise devices, in particular to a physical fitness action training device for infants.

Background

In order to improve physical quality and immunity of infants, various game exercises and physical training classes are added in preschool education and teaching processes to exercise, wherein when waist exercise is performed through sit-up actions, at the initial stage of exercise, part of children are difficult to complete sit-up actions due to weaker waist strength, and external assistance is needed to assist in completing actions in order to relieve waist loads during sit-up.

The prior physical training device with auxiliary functions is difficult to adjust in the training process when the power assisting size is adjusted, and generally requires a user to stop training for adjustment, or other people can assist adjustment aside, so that the adjustment process is more troublesome and is not beneficial to actual use.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide the physical performance action training device for infants, which is characterized in that through the arrangement of the tensioning mechanism and the pedals, the pedals are trampled to control the push rod assembly to move through the transmission mechanism and the moving assembly, and the moving direction of the push rod assembly is controlled through trampling different pedals, so that after the pull rope is tensioned, when the push rod assembly moves forwards, the pull force of the pull rope is increased, and when the push rod assembly moves backwards, the pull force of the pull rope is reduced, the pull force of the pull rope is controlled according to the requirement, the independent control of the pull force of the pull rope in the sit-up process of a user is realized, the exercise adjustment of the pull force is not required to be interrupted, or other people can feel whether the pull force is proper or not by assisting in adjusting, and the adjustment of the pull rope is convenient to adjust and use.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a child physical stamina action trainer, includes bottom plate and two stay cords, the baffle has been linked firmly in position between the bottom plate top surface, the one end of bottom plate top surface has linked firmly straining device, straining device includes two relative backup pads, the bottom and the bottom plate of backup pad link firmly, two link firmly two moving assembly between the backup pad, moving assembly's topside one end sliding connection has the movable plate, moving assembly's topside other end sliding connection has push rod assembly, moving assembly is used for promoting push rod assembly, the top surface of bottom plate has linked firmly the mount, all be provided with the assembly pulley between the both sides of mount and the both sides of two movable plates, and two assembly pulley correspond with two stay cords, the top surface of bottom plate is located the position between baffle and the straining device and has linked firmly drive mechanism, a side wall both sides position of baffle has all rotated and has been connected the footboard, the footboard is used for controlling the removal of two push rod assemblies through drive mechanism and moving assembly, and the moving assembly control push rod assembly through different footboard, make the push rod assembly's the direction of removal for after the push rod assembly tightens, when pulling rope, the pull rope need not to take exercise the time, the pull rod assembly is used for the exercise the side by side of the person, the pull rod is adjusted to the realization, the pull rod is taken exercise to the side by one side, the person can take exercise the control the tension of the exercise, the exercise the pull rope is adjusted by one side, the side is convenient to the side, the pull is adjusted, the pull the person is adjusted to realize the pull exercise, and is adjusted to the pull the person is used to take exercise and is adjusted to the side is adjusted to the exercise and is used to the pull exercise and is taken exercise and is adjusted to the pull back the person and has one and has the pull exercise and has. The adjustment is more convenient, and the use is convenient.

The method is further characterized in that: the movable assembly comprises a rail rod, a sliding groove is formed in the top side of the rail rod, the supporting plate is fixedly connected with the rail rod, the push rod assembly comprises a sliding rod, one end of the sliding rod is connected with the movable plate in a sliding mode, the other end of the sliding rod is fixedly connected with an end plate, the outer side wall of the sliding rod is located between the end plate and the movable plate, an extrusion spring is sleeved between the outer side wall of the sliding rod and the movable plate in a sliding mode, the bottom ends of the movable plate and the end plate are connected with the sliding groove in a sliding mode, and when the sliding rod moves forwards, the movable plate is extruded through the extrusion spring.

The method is further characterized in that: the screw rod is rotationally connected between the two ends of the bottom side of the rail rod, one end of the outer side wall of the screw rod is rotationally connected with a threaded sleeve, the top end of the threaded sleeve is fixedly connected with a push plate, the push plate is in sliding connection with a sliding chute, one end of the screw rod penetrates through one end of the rail rod and extends to the outer side of one end of the rail rod, one end of the screw rod is fixedly sleeved with a belt wheel, a belt is connected between the two belt wheels in a transmission manner, the screw rod located below rotates to drive the screw rod above through the belt wheel and the belt to rotate, the two screw rods synchronously rotate, the threaded sleeve is driven to move back and forth, and the threaded sleeve drives the end plate to move back and forth through the push plate, so that the slide rod is driven to move back and forth.

The method is further characterized in that: the pulley block comprises a pulley I, three pulley II and two pulley III, wherein the pulley III is fixedly arranged on one side wall of the two movable plates respectively, the pulley II is fixedly arranged on one side wall of the fixed frame respectively, the positions of the pulley II on one side wall of the bracket are respectively located above two rail rods, between the two rail rods and below the two rail rods, the pulley I and one side wall of the fixed frame are fixedly arranged at the position above the three pulley II, the outer side walls of the pulley I, the pulley II and the pulley III in the same pulley block are all located on the same plane, one end of the pull rope sequentially penetrates through a plurality of pulleys in the corresponding pulley block from top to bottom, and one end of the pull rope is wound and fixed on the pulley II located at the lowest position.

The method is further characterized in that: the other ends of the two pull ropes are fixedly connected with handles, so that the pull ropes are convenient for a user to grasp.

The method is further characterized in that: the transmission mechanism comprises a first shaft rod, one end of the first shaft rod is fixedly connected with one end of a screw rod located below, a first bevel gear is fixedly sleeved on the outer side wall of the first shaft rod, transmission components are arranged on two sides of the first shaft rod, mirror symmetry is achieved between the two transmission components, the transmission components comprise a rotating seat, the bottom end of the rotating seat is fixedly connected with a bottom plate, a second shaft rod is rotatably connected with the top end of the rotating seat, a ratchet wheel is fixedly sleeved on one end of the outer side wall of the second shaft rod, a second bevel gear is fixedly sleeved on the other end of the second shaft rod, the second bevel gear is meshed with the first bevel gear, one side of the rotating seat is fixedly connected with a supporting rod, one end of the supporting rod is fixedly connected with a sleeve, a ratchet rod component is slidably connected to the inner wall of the sleeve, when a user steps on one pedal with a foot tip or sole, the pedal drives a corresponding side ratchet wheel to rotate through the ratchet rod component, the first bevel gear on one side is driven to rotate positively through the first bevel gear, the second bevel gear on one side is driven to rotate positively through the first bevel gear, the other side of the bevel gear on the other side is driven reversely by the bevel gear to rotate, the second bevel gear on the other side is driven by the bevel gear to rotate reversely, the other side, the first bevel gear is meshed with the bevel gear, one side is fixedly rotates with the first bevel gear, one pedal is driven by the pedal to rotate by the pedal, one pedal through the pedal to rotate through the pedal, and one pedal to rotate one pedal through the pedal, and one pedal to rotate one pedal and rotate correspondingly, and one pedal to rotate pedal.

The method is further characterized in that: the ratchet rod assembly comprises a fixed rod, the inserted bar has been linked firmly to one end top surface of fixed rod, inserted bar and sleeve slip grafting, the lateral wall of inserted bar has slided and has been cup jointed reset spring, reset spring's one end and inserted bar link firmly, and reset spring's the other end and sleeve contact, two fixing bases have been linked firmly to the bottom surface of fixed rod, the inside wall of fixing base rotates and is connected with the ratch, the one end of fixed rod has linked firmly the extension rod, the extension rod contacts with the footboard of next-door neighbour position, and the footboard passes through the extension rod and promotes the fixed rod and moves forward to make ratch forward move with the ratchet contact of corresponding side, drive ratchet rotation, the inserted bar and the fixed rod rebound reset under reset spring's elasticity effect when releasing the footboard, because the setting of ratch and ratchet one-way meshing, the ratch is moved and can not drive when the fixed rod is reset completely after, and the ratch is broken away from completely with corresponding side ratchet, avoids ratchet rotation, makes things convenient for the pedal to relapse.

The method is further characterized in that: the bottom end of the fixing seat leans towards one side of the ratchet wheel to extend outwards by one to two centimeters, and the bottom end of the fixing seat supports the toothed bar to limit the downward deflection angle of the toothed bar.

The invention has the beneficial effects that:

1. through the arrangement of the tensioning mechanism and the pedals, the pedals are trampled to control the push rod assembly to move through the transmission mechanism and the moving assembly, and the moving direction of the push rod assembly is controlled through trampling different pedals, so that after the pull rope is tensioned, when the push rod assembly moves forwards, the pull force of the pull rope is increased, when the push rod assembly moves backwards, the pull force of the pull rope is reduced, the pull force of the pull rope is controlled according to the requirement, and the user controls the transmission mechanism through the pedals, so that the push rod assembly moves forwards and backwards, the user can independently control the pull force of the pull rope in the sit-up process, the exercise is not required to adjust the pull force, or other people can feel whether the pull force is proper or not, and the pull rope is adjusted at the same time, so that the pull rope is convenient to adjust and convenient to use;

2. through the setting through straining device, stay cord is in the great position of pulling force when the user lies flat completely, sits the in-process at the user, and the stay cord is released to make the movable plate move forward under the elasticity effect of extrusion spring, extrusion spring extends, thereby makes stay cord pulling force reduce, makes the user sit the pulling force that the in-process stay cord provided and reduce gradually, thereby accords with the trend that the user sits the in-process waist load reduces gradually, makes the exercise effect better.

Drawings

The invention is further described below with reference to the accompanying drawings.

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

FIG. 2 is a schematic overall elevational view of the present invention;

FIG. 3 is a schematic top view of the overall structure of the present invention;

FIG. 4 is a schematic view of the tensioning mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the fixing frame in the present invention;

FIG. 6 is a schematic view of the internal structure of the rail in the present invention;

FIG. 7 is a schematic diagram of the transmission mechanism of the present invention;

fig. 8 is a schematic view of the structure of the ratchet assembly of the present invention.

In the figure: 100. a tensioning mechanism; 110. a support plate; 120. a moving assembly; 121. a rail rod; 122. a screw rod; 123. a thread sleeve; 124. a chute; 125. a push plate; 130. a moving plate; 140. a push rod assembly; 141. extruding a spring; 142. an end plate; 143. a slide bar; 150. a belt wheel; 151. a belt; 160. a fixing frame; 161. a pulley I; 162. a second pulley; 163. a third pulley; 200. a transmission mechanism; 210. a first shaft lever; 211. bevel gears I; 220. a transmission assembly; 221. a rotating seat; 222. a support rod; 223. a sleeve; 224. a second shaft lever; 225. a ratchet wheel; 226. bevel gears II; 230. a ratchet rod assembly; 231. a fixed rod; 232. a rod; 233. a return spring; 234. an extension rod; 235. a fixing seat; 236. a toothed bar; 300. a bottom plate; 310. a baffle; 311. a pedal; 400. a pull rope; 410. a handle.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-8, a physical fitness action training device for infants comprises a bottom plate 300 and two pull ropes 400, wherein a baffle 310 is fixedly connected between the top surfaces of the bottom plate 300, a tensioning mechanism 100 is fixedly connected at one end of the top surface of the bottom plate 300, the tensioning mechanism 100 comprises two opposite supporting plates 110, the bottom ends of the supporting plates 110 are fixedly connected with the bottom plate 300, two moving assemblies 120 are fixedly connected between the two supporting plates 110, one end of the top side of each moving assembly 120 is slidably connected with a moving plate 130, the other end of the top side of each moving assembly 120 is slidably connected with a push rod assembly 140, the moving assemblies 120 are used for pushing the push rod assembly 140, a fixing frame 160 is fixedly connected at the top surface of the bottom plate 300, pulley blocks are arranged between two sides of the fixing frame 160 and two sides of the two moving plates 130, the two pulley blocks correspond to the two pull ropes 400, a transmission mechanism 200 is fixedly connected between the baffle 310 and the tensioning mechanism 100 at the top surface of the bottom plate 300, the pedals 311 are rotatably connected to two side walls of the baffle 310, the pedals 311 are used for controlling the movement of the two push rod assemblies 140 through the transmission mechanism 200, the pedals 311 are trampled to control the push rod assemblies 140 to move through the transmission mechanism 200 and the moving assembly 120, and the moving direction of the push rod assemblies 140 is controlled through trampling different pedals 311, so that after the pull rope 400 is tightened, when the push rod assemblies 140 move forwards, the pulling force of the pull rope 400 is increased, when the push rod assemblies 140 move backwards, the pulling force of the pull rope 400 is reduced, the pulling force of the pull rope 400 is controlled according to the requirement, the sit-up exercise is conveniently assisted, and the user exercises the body by controlling the transmission mechanism 200 through the pedals 311, thereby controlling the forward and backward movement of the push rod assemblies 140, realizing the independent control of the pulling force of the pull rope 400 in the sit-up exercise process without interrupting the adjustment of the pulling force, or other people can adjust the tension in an auxiliary way, and can adjust the strip while feeling whether the tension is proper, thereby being more convenient to adjust and convenient to use.

The moving assembly 120 comprises a rail rod 121, a sliding groove 124 is formed in the top side of the rail rod 121, a supporting plate 110 is fixedly connected with the rail rod 121, a push rod assembly 140 comprises a sliding rod 143, one end of the sliding rod 143 is connected with a moving plate 130 in a sliding mode, the other end of the sliding rod 143 is fixedly connected with an end plate 142, the outer side wall of the sliding rod 143 is located between the end plate 142 and the moving plate 130 and is in sliding connection with an extrusion spring 141, the bottom ends of the moving plate 130 and the end plate 142 are both in sliding connection with the sliding groove 124, when the sliding rod 143 moves forwards, the moving plate 130 is extruded by the extrusion spring 141, a screw rod 122 is rotationally connected between the two ends of the bottom side of the rail rod 121, one end of the outer side wall of the screw rod 122 is rotationally connected with a threaded sleeve 123, the top end of the threaded sleeve 123 is fixedly connected with a push plate 125, one end of the push plate 125 is in sliding connection with the sliding groove 124, one end of the screw rod 122 is fixedly connected with a belt 151 in a transmission connection between the two belt pulleys 150, the screw rod 122 located below rotates through the belt 150 and the belt 151 to drive the screw rod 122 above the belt 122, so that the screw rod 122 rotates synchronously, the screw rod 122 rotates, the screw rod 122 drives the screw rod 122 to drive the threaded sleeve 123 to move forwards and the push plate 123 to move forwards and backwards through the threaded sleeve 123, and the push plate 125 moves forwards and backwards through the end plate 142.

The pulley block comprises a first pulley 161, three second pulleys 162 and two third pulleys 163, the two third pulleys 163 are fixedly mounted with one side wall of the two movable plates 130 respectively, the three second pulleys 162 are fixedly mounted with one side wall of the fixed frame 160, the positions of the three second pulleys 162 on one side wall of the bracket are respectively positioned above the two rail rods 121, between the two rail rods 121 and below the two rail rods 121, the first pulleys 161 are fixedly mounted with one side wall of the fixed frame 160 at the position above the three second pulleys 162, the outer side walls of the first pulleys 161, the three second pulleys 162 and the two third pulleys 163 in the same pulley block are all positioned on the same plane, one end of the pull rope 400 sequentially passes through a plurality of pulleys 410 in the corresponding pulley block from top to bottom, and one end of the pull rope 400 is wound and fixed on the second pulley 162 positioned at the lowest side, when the third pulley 163 moves forwards, the pull rope 400 is pulled, the elastic force of the extrusion spring 141 is transmitted to the third pulleys 163 through the movable plates 130, the pull rope 400 is extruded and pushed, and the other ends of the two handles 400 are fixedly held by a user.

The transmission mechanism 200 comprises a first shaft lever 210, one end of the first shaft lever 210 is fixedly connected with one end of a screw rod 122 positioned below, a first bevel gear 211 is fixedly sleeved on the outer side wall of the first shaft lever 210, transmission components 220 are arranged on two sides of the first shaft lever 210, mirror symmetry is achieved between the two transmission components 220, the transmission components 220 comprise a rotating seat 221, the bottom end of the rotating seat 221 is fixedly connected with a bottom plate 300, the top end of the rotating seat 221 is rotationally connected with a second shaft lever 224, one end of the outer side wall of the second shaft lever 224 is fixedly sleeved with a ratchet 225, the other end of the second shaft 224 is fixedly sleeved with a second bevel gear 226, the second bevel gear 226 is meshed with the first bevel gear 211, one side of the rotating seat 221 is fixedly connected with a supporting rod 222, one end of the supporting rod 222 is fixedly connected with a sleeve 223, the inner wall of the sleeve 223 is in sliding connection with a ratchet rod component 230, when a user steps on one pedal 311 with a toe or sole, the corresponding side ratchet 225 is driven to rotate through the ratchet rod component 230, the ratchet 225 drives the bevel gear 226 to rotate positively, the bevel gear 226 on one side is driven by the first bevel gear 211 to rotate positively, the bevel gear 226 on the other side, the bevel gear 226 on the side is driven to rotate positively through the bevel gear 211, the bevel gear 226 on the other side, the other side is driven by the first bevel gear 226 to rotate reversely, when the first shaft lever 311 is driven by the pedal 311 to rotate reversely, and the pedal 311 is driven by the pedal 311 to rotate, when the pedal 311 is driven by the pedal 311 to rotate reversely, and the pedal is driven by the pedal, and the pedal 311 to rotate, and the pedal is rotated by the pedal, and is rotated by the pedal.

The ratchet rod assembly 230 comprises a fixed rod 231, an inserting rod 232 is fixedly connected to the top surface of one end of the fixed rod 231, the inserting rod 232 is in sliding connection with the sleeve 223, a reset spring 233 is sleeved on the outer side wall of the inserting rod 232 in a sliding manner, one end of the reset spring 233 is fixedly connected with the inserting rod 232, the other end of the reset spring 233 is in contact with the sleeve 223, two fixing seats 235 are fixedly connected to the bottom surface of the fixed rod 231, the toothed rod 236 is rotatably connected to the inner side wall of the fixing seats 235, an extension rod 234 is fixedly connected to one end of the fixed rod 231, the extension rod 234 is in contact with a pedal 311 in the close-to position, the pedal 311 pushes the fixed rod 231 and the inserting rod 232 to move forwards through the extension rod 234, so that the toothed rod 236 moves forwards to be in contact with a ratchet 225 on the corresponding side, the ratchet 225 is driven to rotate, the inserting rod 232 and moves backwards under the elastic force of the reset spring 233 when the pedal 311 is released, the toothed rod 236 is extruded to reset the pedal 311, and the ratchet 225 is not driven to rotate due to the arrangement of unidirectional meshing of the toothed rod 236, and after the fixed rod 231 is completely reset, the toothed rod 236 is completely separated from the corresponding side ratchet 225, the ratchet 225 is completely rotates, the ratchet 225 is prevented from being repeatedly rotated to the bottom end of the fixing seats, and the ratchet 225 is conveniently deflected outwards, and the ratchet rod is supported outwards by the fixed seat 225, and the rotation of the ratchet rod is prevented from being repeatedly rotated outwards by the opposite side of the ratchet rod.

Working principle: when the pedal 311 is stepped on by a user, the fixed rod 231 and the inserted rod 232 are pushed to move forwards by the pedal 311 through the extending rod 234, so that the toothed rod 236 moves forwards to be in contact with the ratchet 225 at the corresponding side to drive the ratchet 225 to rotate, the ratchet 225 drives the bevel gear II 226 to rotate forwards through the shaft rod I210, the bevel gear II 226 at one side drives the shaft rod I210 to rotate forwards through the bevel gear I211, and the bevel gear II 226 at the other side is driven by the bevel gear I211 to rotate reversely, and simultaneously, when the pedal 311 is stepped on by the user, the inserted rod 232 and the fixed rod 231 move backwards to reset under the elastic force of the reset spring 233, the pedal 311 is pressed to reset, and meanwhile, due to the arrangement that the toothed rod 236 is meshed with the ratchet 225 in a unidirectional way, the toothed rod 236 does not drive the ratchet 225 to rotate, and when the fixed rod 231 is completely reset (namely, the fixed rod 236 is in contact with the ratchet 225), the ratchet 225 is completely separated from the corresponding side to rotate, and the shaft rod 210 is prevented from interfering with the ratchet 225 to rotate, so that the shaft rod I rotates to realize the control of the rotation of the shaft rod 210;

the first shaft lever 210 rotates to drive the screw rod 122 located below to rotate, the screw rod 122 located below rotates to drive the screw rod 122 above through the belt pulley 150 and the belt 151 to rotate, so that the two screw rods 122 synchronously rotate, the screw rod 122 rotates to drive the threaded sleeve 123 to move back and forth, the threaded sleeve 123 pushes the end plate 142 to move back and forth through the push plate 125, thereby driving the slide rod 143 to move back and forth, the slide rod 143 pushes the moving plate 130 to slide through the extrusion spring 141, the moving plate 130 stretches the pull rope 400 through the pulley III 163, after the pull rope 400 stretches, the forward movement of the slide rod 143 enables the extrusion spring 141 to compress, the push plate 130 increases the pushing force of the pull rope 400 through the pulley III 163, thereby increasing the pulling force of the pull rope 400, controlling the slide rod 143 to move back, thereby reducing the pulling force of the pull rope 400, realizing controlling the pulling force of the pull rope 400 as required, facilitating the sit-up motion of a user, and training the body, and because the user can control the forward and backward movement of the push rod assembly 140 through the pedal 311, thereby realizing the autonomous control of the pulling rope 400 in the process of the sit-up process, or not needing to adjust the pull rope, or adjusting the pulling force by one person, and adjusting the pulling force can be adjusted properly, and the user can feel more conveniently.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a physical fitness action training device for infants, its characterized in that includes bottom plate (300) and two stay cords (400), baffle (310) have been linked firmly in the position between bottom plate (300) top surface, the one end of bottom plate (300) top surface has linked firmly straining device (100), straining device (100) are including two relative backup pads (110), the bottom and the bottom plate (300) of backup pad (110) link firmly, two link firmly between backup pad (110) two remove subassembly (120), the top side one end sliding connection of remove subassembly (120) has movable plate (130), the top side other end sliding connection of remove subassembly (120) has push rod subassembly (140), remove subassembly (120) are used for promoting push rod subassembly (140), the top surface of bottom plate (300) has linked firmly mount (160), all be provided with the assembly pulley between the both sides of mount (160) and the both sides of two movable plate (130), and two assembly pulley correspond with two stay cords (400), the top surface of bottom plate (300) is located between baffle (310) and straining device (100) and has linked firmly baffle (310) position (200), the pedal (311) has been connected firmly to one side of rotation, the pedal (311) is used for controlling the movement of the two push rod assemblies (140) through the transmission mechanism (200);

the movable assembly (120) comprises a rail rod (121), a sliding groove (124) is formed in the top side of the rail rod (121), the supporting plate (110) is fixedly connected with the rail rod (121), the push rod assembly (140) comprises a sliding rod (143), one end of the sliding rod (143) is in sliding connection with the movable plate (130), an end plate (142) is fixedly connected with the other end of the sliding rod (143), an extrusion spring (141) is sleeved between the end plate (142) and the movable plate (130) in a sliding manner, and the bottom ends of the movable plate (130) and the end plate (142) are both in sliding connection with the sliding groove (124);

a screw rod (122) is rotationally connected between two ends of the bottom side of the rail rod (121), one end of the outer side wall of the screw rod (122) is rotationally connected with a threaded sleeve (123), the top end of the threaded sleeve (123) is fixedly connected with a push plate (125), the push plate (125) is in sliding connection with a sliding groove (124), one end of the screw rod (122) penetrates through one end of the rail rod (121) and extends to the outer side of one end of the rail rod (121), one end of the screw rod (122) is fixedly sleeved with a belt pulley (150), and a belt (151) is connected between the two belt pulleys (150) in a transmission manner;

the pulley block comprises a pulley I (161), three pulley II (162) and two pulley III (163), wherein two pulley III (163) are fixedly installed with one side wall of two movable plates (130) respectively, three pulley II (162) are fixedly installed with one side wall of a fixed frame (160), the positions of the three pulley II (162) on one side wall of the bracket are respectively located above two rail rods (121), between the two rail rods (121) and below the two rail rods (121), the pulley I (161) and one side wall of the fixed frame (160) are fixedly installed at the position above the three pulley II (162), the outer side walls of one pulley I (161), the three pulley II (162) and the two pulley III (163) in the same pulley block are all located on the same plane, one end of a pull rope (400) sequentially penetrates through a plurality of pulleys in the corresponding pulley block from top to bottom, and one end of the pull rope (400) is wound and fixed on the pulley II (162) located at the lowest.

2. The physical fitness action training device for infants according to claim 1, wherein the handles (410) are fixedly connected to the other ends of the pull ropes (400).

3. The physical fitness action training device for infants according to claim 1, wherein the transmission mechanism (200) comprises a first shaft rod (210), one end of the first shaft rod (210) is fixedly connected with one end of a screw rod (122) located below, a first bevel gear (211) is fixedly sleeved on the outer side wall of the first shaft rod (210), transmission components (220) are arranged on two sides of the first shaft rod (210), mirror symmetry is achieved between the two transmission components (220), the transmission components (220) comprise a rotating seat (221), the bottom end of the rotating seat (221) is fixedly connected with a bottom plate (300), the top end of the rotating seat (221) is rotationally connected with a second shaft rod (224), a ratchet wheel (225) is fixedly sleeved on one end of the outer side wall of the second shaft rod (224), a second bevel gear (226) is fixedly sleeved on one side of the rotating seat (221), a supporting rod (222) is fixedly connected with one end of the supporting rod (222) and is fixedly connected with a sleeve (223), and the inner wall of the sleeve (223) is slidably connected with the ratchet rod (230).

4. The physical fitness action training device for infants according to claim 3, wherein the ratchet rod assembly (230) comprises a fixed rod (231), an inserting rod (232) is fixedly connected to the top surface of one end of the fixed rod (231), the inserting rod (232) is in sliding connection with the sleeve (223), a return spring (233) is slidably sleeved on the outer side wall of the inserting rod (232), one end of the return spring (233) is fixedly connected with the inserting rod (232), the other end of the return spring (233) is in contact with the sleeve (223), two fixing seats (235) are fixedly connected to the bottom surface of the fixed rod (231), a toothed rod (236) is rotatably connected to the inner side wall of the fixing seat (235), an extension rod (234) is fixedly connected to one end of the fixed rod (231), and the extension rod (234) is in contact with a pedal (311) at the close-up position.

5. The physical fitness action training device of claim 4, wherein the bottom end of the fixed seat (235) extends one to two centimeters outwards towards the ratchet (225), and the bottom end of the fixed seat (235) supports the toothed bar (236).