Driving mechanism of electric baby stroller

Abstract

The utility model relates to a driving mechanism of an electric baby stroller, which solves the problems that manual pushing is strenuous, the function of the baby stroller is single and the like in the prior art, and adopts the technical scheme that the driving mechanism comprises a base frame and wheels arranged on the base frame, the base frame is used for being arranged on the baby stroller, a power supply is arranged on the base frame, and a driving mechanism is arranged on the wheels. The driving mechanism is electrically connected with the power supply and is used for driving the wheels to act; and a control mechanism is arranged on the base frame, is matched with the power supply and / or the driving mechanism and is used for controlling at least one of on-off of the power supply, control of a wheel movement mode and control of start and stop of the driving mechanism. The baby stroller has the advantages that power is provided for the driving mechanism through the power source, manual driving is changed into electric driving, the control mechanism controls at least one of on-off of the power source, the movement mode of the wheels and starting and stopping of the driving mechanism, the wheels can be controlled to roll stably or roll in a rocking cradle mode, and the running modes of the baby stroller are more diversified.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drive wheel field especially, and it relates to a kind of electric baby stroller drive mechanism. BACKGROUND

[0002] The existing baby stroller includes a baby stroller body, and wheels arranged at the bottom of the baby stroller body. When in use, people apply force to the baby stroller body, and the baby stroller body moves under the influence of the force. If the baby stroller is pushed for a long time, it is relatively laborious and easy to cause fatigue. In addition, the moving mode of the baby stroller is relatively single, and the common mode is stable movement, which is beneficial to the rest and sleep of the baby sitting or lying in the baby stroller. However, when the baby is in a state of wakefulness, the baby stroller pushed in a stable manner is relatively boring, and the baby is easy to cry. Therefore, a baby stroller in the form of a swing car appears, and the baby stroller rocks up and down while moving forward during the pushing process, forming a baby stroller in the form of a swing car. For this kind of baby stroller, it is still manually pushed, and the same problem of being relatively laborious exists. SUMMARY

[0003] The utility model aims at solving the above-mentioned problems existing in the prior art and provides an electric baby stroller drive mechanism. The electric baby stroller drive mechanism is applied to a baby stroller, and power is provided for the drive mechanism. The drive mechanism is changed from manual driving to electric driving. At least one of the following is controlled by a control mechanism: the on-off of the power supply, the movement mode of the wheels, and the start-stop of the drive mechanism. Further, the control mechanism can control the wheels to roll stably or in the form of a swing car, so as to make the movement mode of the baby stroller more diversified, increase the interest, be beneficial to entertaining the baby, be beneficial to the adults to raise the baby more easily and reduce the raising intensity, and be beneficial to the physical and mental health of people.

[0004] The above technical purpose of the utility model is mainly solved by the following technical scheme: an electric baby stroller drive mechanism includes a base frame, wheels arranged on the base frame, the base frame is arranged on a baby stroller, and the wheels are used to drive the baby stroller to move. The utility model is characterized in that:

[0005] The base frame is provided with a power supply, the wheels are provided with a drive mechanism, the drive mechanism is electrically connected with the power supply, and the drive mechanism is used to drive the wheels to act;

[0006] The base frame is provided with a control mechanism, which cooperates with the power supply and / or the driving mechanism, and is used for controlling at least one of the power supply on-off, the wheel movement mode, and the driving mechanism start-stop.

[0007] As further improvement and supplement to the above technical scheme, the utility model adopts the following technical measures:

[0008] The two wheels are each provided with a set of driving mechanisms and a set of control mechanisms, and the driving mechanisms and the control mechanisms on the same wheel correspond to each other; the brake mechanism and the longitudinal swing mechanism on the same set of control mechanisms are used for controlling the corresponding driving mechanism start-stop, and controlling the corresponding wheel to roll steadily or in a rocking car mode; the two sets of control mechanisms are provided with a synchronous mechanism, which is used for synchronizing the actions of the two sets of control mechanisms.

[0009] As preferred, each of the wheels is connected to the base frame through a corresponding control seat, the control mechanism is arranged on the control seat, each of the hub motors on each set of the driving mechanisms cooperates with the power supply and the control mechanism, each of the hub motors is arranged on a corresponding hub of the wheels, and an axle of the wheels penetrates through the hub motor and cooperates with the control seat. In order to improve the shock absorption effect of the wheels, damping springs are arranged between the base frame and the control seat. In order to facilitate the disassembly and assembly of the wheels, an axle clamping mechanism is arranged on the control seat, a clamping groove is arranged on a clamping end of the axle, an inner diameter variable clamp on the axle clamping mechanism cooperates with the clamping groove, when the wheels are assembled, the axle clamping mechanism is controlled to make the inner diameter of the clamp larger, the axle is inserted into the clamp, the clamp is located at the clamping groove, the axle clamping mechanism is released, the clamp loses the force, the clamp is reset, the inner diameter of the clamp becomes smaller, and the clamp is embedded in the clamping groove. At this time, the wheels are cooperated with the control seat through the axle clamping mechanism, and the axle and the clamp are rotatable. Conversely, the wheels can be disassembled by the same operation, which is beneficial to reduce the occupied volume and facilitate packaging, storage and transportation.

[0010] As preferred, the control mechanism includes a foot control arranged on the control seat, the foot control includes a rotating shell and a foot control outer lug fixed on the rotating shell, the rotating shell cooperates with the brake mechanism, the longitudinal rocking mechanism and the synchronization mechanism, and is used for controlling the brake mechanism, the longitudinal rocking mechanism and the synchronization mechanism to work by rotating the rotating shell through the foot control outer lug.

[0011] As preferred, the synchronization mechanism includes a synchronization traction rope, two ends of the synchronization traction rope are respectively connected to corresponding foot controls on the two wheels, the two ends of the synchronization traction rope each have a forward traction end and a reverse traction end, and the forward traction end and the reverse traction end at the same end are respectively arranged on the forward direction part and the reverse direction part of the rotating shell. In order to ensure the service life and synchronization traction performance of the synchronization traction rope, the synchronization traction rope is made of steel rope. When the foot control outer lug is stepped on to make the rotating shell rotate forward, the forward traction end acts with the rotating shell to realize forward synchronization traction of the synchronization traction rope (including triggering the brake mechanism to brake the hub motor and triggering the longitudinal rocking mechanism to realize the rocking car mode). Conversely, reverse synchronization traction of the synchronization traction rope is realized (including contacting the brake mechanism to brake the hub motor and releasing the longitudinal rocking mechanism to realize the rocking car mode).

[0012] As preferred, the brake mechanism comprises a brake seat, a brake shaft arranged on the brake seat, and a brake adjusting structure formed by the outer end of the brake seat and the inner wall of the rotating shell. When the rotating shell rotates circumferentially (i.e. forward rotation, such as clockwise rotation of the rotating shell by stepping on the foot control outer lug), the brake adjusting structure pushes the brake shaft to move axially, so that the brake shaft is inserted into the brake hole of the wheel hub motor for braking. When the rotating shell rotates circumferentially to reset (i.e. reverse rotation, such as counterclockwise rotation of the rotating shell by releasing the foot control outer lug), the brake shaft is separated from the wheel hub motor for brake release.

[0013] As preferred, the brake adjusting structure comprises a flat mouth tip arranged at the end of the brake shaft and a circular arc-shaped convex and concave rib arranged inside the rotating shell. The flat mouth tip cooperates with the convex and concave rib. When the rotating shell rotates circumferentially, the convex or concave part on the convex and concave rib cooperates with the flat mouth tip, so that the brake shaft moves axially for braking or brake release. The head of the flat mouth tip is in the shape of a straight line, which is beneficial to improve the stability of cooperation with the convex and concave rib, thereby improving the working reliability of the brake adjusting structure.

[0014] As preferred, a plurality of brake holes are arranged on the shell of the wheel hub motor. The brake holes are circumferentially distributed, and the interval distance between adjacent brake holes is balanced. The circumferential direction is provided with a plurality of brake holes, which facilitates the insertion of the brake shaft into the corresponding brake hole at any time to achieve brake control.

[0015] As preferred, the longitudinal rocking mechanism comprises a rocking seat arranged on the control seat, a reset spring, a linkage shaft, a limiting arc-shaped through slot arranged on the control seat, and a protrusion arranged on the inner wall of the rotating shell. The end surface of the rocking seat facing the inner wall of the rotating shell is a convex and concave inclined wedge surface. The protrusion cooperates with the convex and concave inclined wedge surface. The reset spring is arranged between the rocking seat and the control seat. The outer end of the linkage shaft is fixed to the rocking seat, and the inner end penetrates through the limiting arc-shaped through slot and cooperates with the wheel hub motor. The linkage shaft swings back and forth in the limiting arc-shaped through slot to drive the wheel hub motor and the wheel to rock longitudinally, so that the wheel realizes rocking car type rolling.

[0016] As preferred, an assembly groove is arranged on the control seat. A pivot is arranged in the assembly groove. The rocking seat, the reset spring, and the linkage shaft are arranged in the assembly groove. An axle hole is arranged in the rocking seat. The pivot is inserted into the axle hole, so that the rocking seat rotates around the pivot. A plurality of rocking holes are arranged on the corresponding side wall of the wheel hub motor. The rocking holes are long strip-shaped holes with two end circular arc-shaped transitions arranged along the radial direction. The rocking holes are centrally symmetrically distributed with the wheel hub motor as the center of symmetry. The cross section of the control seat is in the shape of a sector. The shape and size of the assembly groove are adapted to the shape and size of the control seat.

[0017] The utility model has the beneficial effects that: 1, it is applied to baby stroller, provides power for drive mechanism through power supply, changes manual drive to electric drive, controls power supply on -off, control wheel movement mode and control drive mechanism start -stop through control mechanism. 2, control mechanism can control wheel steady rolling or rocking car type rolling, make baby stroller operation mode more diversification, improve the interesting nature of use, be favorable to entertaining baby, be favorable to adult more relaxed rearing baby, reduce rearing intensity, be favorable to the improvement adult physical and mental health. 3, through synchronous mechanism, it is favorable to improve the synchronism of two wheel actions, thereby be favorable to improve baby stroller push stability, and can avoid baby stroller overturning situation to appear, be favorable to improve the use safety. 4, through foot control, the user is convenient through the way of stepping control control mechanism, avoid the inconvenience of the situation caused by bending to control, thereby be favorable to improve the control convenient and comfort. 5, through the foot control of stepping, be used for braking or adjusting wheel steady rolling or rocking car type rolling, simple and convenient operation and reliable operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a partial explosion structural schematic diagram of the utility model.

[0020] Figure 3 It is another partial explosion structural schematic diagram of the utility model.

[0021] Figure 4 It is an explosion structural schematic diagram of a wheel involved in the utility model.

[0022] Figure 5 It is a structural schematic diagram that is further exploded on the basis of Figure 4

[0023] Figure 6 It is an explosion structural schematic diagram of the foot control and the brake mechanism, the longitudinal swing mechanism cooperation involved in the utility model.

[0024] Figure 7 It is a structural schematic diagram of the foot control and the brake mechanism, the longitudinal swing mechanism cooperation involved in the utility model.

[0025] Figure 8 It is a structural schematic diagram of the control seat involved in the utility model.

[0026] Figure 9 It is a structural schematic diagram of the control seat involved in the utility model.

[0027] ​In the diagram: 1. Base frame; 2. Wheel; 3. Power supply; 4. Control seat; 5. Hub motor; 6. Axle; 7. Axle clamping mechanism; 8. Vibration damping spring; 9. Foot control; 10. Rotating shell; 11. Foot control external lug; 12. Synchronous traction rope; 13. Forward traction end; 14. Reverse traction end; 15. Brake seat; 16. Brake shaft; 17. Brake hole; 18. Flat tip; 19. Concave and convex ridge; 20. Swing seat; 21. Return spring; 22. Positioning outward turn end; 23. Positioning plane; 24. Positioning groove; 25. Linkage shaft; 26. Concave and convex inclined wedge surface; 27. Protrusion; 28. Limiting arc-shaped through groove; 29. ​​Assembly groove; 30. Pivot; 31. Shaft hole; 32. Swing hole. Detailed Implementation

[0028] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0029] Example: Figures 1-9 As shown, an electric baby stroller drive mechanism includes a base frame 1 and wheels 2 mounted on the base frame 1. The base frame 1 is used to mount the baby stroller, and the wheels 2 are used to drive the baby stroller to move.

[0030] The difference between this technical solution and existing technologies lies in the following: a power supply 3 is provided on the base frame 1, and a drive mechanism is provided on the wheel 2. The drive mechanism is electrically connected to the power supply 3 and is used to drive the wheel 2. A control mechanism is provided on the base frame 1, which cooperates with the power supply 3 and / or the drive mechanism to control at least one of the following: the power supply 3 is switched on and off, the wheel movement mode is controlled, and the drive mechanism is started and stopped. This technical solution has a reasonable overall structure and is simple, convenient, and flexible to operate when applied to a baby stroller.

[0031] In use, power source 3 provides power to the drive mechanism, changing the stroller from being manually pushed to being electrically driven. A control mechanism controls at least one of the following: the on / off state of power source 3, the wheel movement mode, and the start / stop of the drive mechanism. In this embodiment, the control mechanism can control the on / off state of power source 3, the wheel movement mode, and the start / stop of the drive mechanism.

[0032] In addition, power supply 3 can usually be controlled by a control mechanism, or a power supply 3 switch can be installed in a convenient location such as the armrest of the stroller.

[0033] In the technical solution, the control mechanism controls the working mode of the driving mechanism, so that the wheels 2 can roll smoothly (for smoothly pushing the baby stroller) or roll in a rocking car mode (for rocking the baby stroller to move forward), thereby diversifying the operation mode of the baby stroller, relaxing and resting the baby when the baby stroller is smoothly pushed, increasing the interest and entertaining the baby when the baby stroller is pushed in a rocking car mode, making the baby like to sit or lie in the baby stroller, releasing the adult and making the adult more relaxed to take care of the baby, reducing the care intensity, and being beneficial to the physical and mental health of the adult.

[0034] In actual application, the electric baby stroller driving mechanism involved in the technical solution can be arranged at the front end of the baby stroller to form a front driving wheel 2, or arranged at the rear end of the baby stroller to form a rear driving wheel 2.

[0035] In the technical solution, the power supply 3 is arranged on the base frame 1, and when the electric baby stroller driving mechanism is applied to the baby stroller, the power supply 3 can be hidden in the storage frame (or storage basket) at the bottom of the baby stroller, thereby improving the visual effect of the baby stroller.

[0036] The above solution will be described in detail as follows:

[0037] In actual application, the wheels 2 are two, and each wheel 2 is provided with a set of driving mechanisms and a set of control mechanisms, and the driving mechanisms and the control mechanisms on the same wheel 2 are one-to-one corresponding control cooperation; the brake mechanism and the longitudinal rocking mechanism on the same set of control mechanisms are used to control the start and stop of the corresponding driving mechanism and control the smooth rolling or rocking car rolling of the corresponding wheel 2; the two sets of control mechanisms have a synchronization mechanism, and the synchronization mechanism is used to synchronize the actions of the two sets of control mechanisms.

[0038] In the technical solution, the electric baby stroller driving mechanism is preferably arranged at the rear end of the baby stroller, that is, the wheel 2 involved in the technical solution is arranged in the rear direction of the baby stroller (i.e. rear wheel, in a double rear wheel mode, which is beneficial to improve the stability of the baby stroller).

[0039] In the technical solution, each wheel 2 is driven by the driving mechanism and the control mechanism, which is beneficial to improve the synchronization and stability of the wheels 2 when the baby stroller is pushed, and is beneficial to improve the operation reliability. In the technical solution, in order to simplify the structure, an external control component, i.e. a foot control 9, is arranged on one set of control mechanisms, the foot control 9 is controlled, and the two sets of control mechanisms can be simultaneously controlled through the synchronization mechanism, so that the two sets of driving mechanisms can simultaneously perform the same action, thereby achieving the purpose of synchronous action of the two wheels 2.

[0040] In actual application, each of the wheels 2 is connected to the base frame 1 through a corresponding control seat 4, the control mechanism is arranged on the control seat 4, the hub motor 5 on each of the driving mechanisms cooperates with the power supply 3 and the control mechanism, each of the hub motors 5 is arranged on the hub of the corresponding wheel 2, and the wheel shaft 6 of the wheel 2 penetrates through the hub motor 5 and cooperates with the control seat 4.

[0041] In actual application, in order to improve the shock absorption effect of the wheel 2, a damping spring 8 is arranged between the base frame 1 and the control seat 4.

[0042] In actual application, in order to facilitate disassembly and assembly of the wheel 2, a wheel shaft clamping mechanism 7 is arranged on the control seat 4, a clamping groove is arranged on the clamping end of the wheel shaft 6, an inner diameter variable clamp on the wheel shaft clamping mechanism 7 cooperates with the clamping groove, when the wheel 2 is assembled, the wheel shaft clamping mechanism 7 is controlled to make the inner diameter of the clamp large, the wheel shaft 6 is inserted into the clamp, the clamp is located at the clamping groove, the wheel shaft clamping mechanism 7 is loosened, the clamp loses the force, the clamp resets, the inner diameter becomes small, and the clamp is embedded in the clamping groove, at this time, the wheel 2 cooperates with the control seat 4 through the wheel shaft clamping mechanism 7, and the wheel shaft 6 and the clamp can rotate. Conversely, the wheel 2 can be disassembled by the same operation, which is beneficial to reduce the occupied volume and facilitate packaging, storage and transportation.

[0043] In actual application, the control mechanism includes a foot control 9 arranged on the control seat 4, the foot control 9 includes a rotating shell 10 and a foot control outer lug 11 fixed to the rotating shell 10, the rotating shell 10 cooperates with the brake mechanism, the longitudinal swing mechanism and the synchronization mechanism, and is used for controlling the brake mechanism, the longitudinal swing mechanism and the synchronization mechanism to work by rotating the rotating shell 10 through stepping the foot control outer lug 11.

[0044] In actual application, the synchronization mechanism includes a synchronization traction rope 12, both ends of the synchronization traction rope 12 are connected to corresponding foot controls 9 on two wheels 2, both ends of the synchronization traction rope 12 have a forward traction end 13 and a reverse traction end 14, and the forward traction end 13 and the reverse traction end 14 at the same end are arranged on the forward direction part and the reverse direction part of the rotating shell 10 respectively.

[0045] In practical application, in order to ensure the service life and synchronous traction performance of the synchronous traction rope 12, the synchronous traction rope 12 is made of steel rope. When the foot control outer lug 11 is stepped to make the rotating shell 10 rotate forward, the forward traction end 13 acts with the rotating shell 10 to realize forward synchronous traction of the synchronous traction rope 12 (including triggering the brake mechanism to brake the wheel hub motor 5 and triggering the longitudinal swing mechanism to realize the rocking car mode), and vice versa to realize reverse synchronous traction of the synchronous traction rope 12 (including contacting the brake mechanism to brake the wheel hub motor 5 and releasing the longitudinal swing mechanism to realize the rocking car mode).

[0046] In practical application, the brake mechanism includes a brake seat 15 and a brake shaft 16 arranged on the brake seat 15. The outer end of the brake seat 15 cooperates with the inner wall of the rotating shell 10 to form a brake adjusting structure. The rotating shell 10 rotates in the circumferential direction (i.e. rotates forward, such as the rotating shell 10 rotates clockwise when the foot control outer lug 11 is stepped) to trigger the brake adjusting structure to push the brake shaft 16 to move axially, so that the brake shaft 16 is inserted into the brake hole 17 on the wheel hub motor 5 for braking. The rotating shell 10 rotates in the circumferential direction to reset (i.e. rotates reversely, such as the rotating shell 10 rotates counterclockwise to reset when the foot control outer lug 11 is released), and the brake shaft 16 is separated from the wheel hub motor 5 for brake release.

[0047] In practical application, the brake adjusting structure includes a flat mouth tip 18 arranged at the end of the brake shaft 16 and a circular arc-shaped concave-convex rib 19 arranged inside the rotating shell 10. The flat mouth tip 18 cooperates with the concave-convex rib 19. The rotating shell 10 rotates in the circumferential direction to make the convex or concave part on the concave-convex rib 19 cooperate with the flat mouth tip 18, so that the brake shaft 16 moves axially for braking or brake release.

[0048] In order to improve stability, the head of the flat mouth tip 18 is in the form of a straight line, which is beneficial to improve the stability of cooperation with the concave-convex rib 19, and further beneficial to improve the working reliability of the brake adjusting structure.

[0049] As a preferred, a plurality of brake holes 17 are arranged on the shell of the wheel hub motor 5, the brake holes 17 are distributed in the circumferential direction, and the interval distance between adjacent brake holes 17 is balanced. The plurality of brake holes 17 are arranged in the circumferential direction, which facilitates the foot control 9 to be stepped at any time to make the brake shaft 16 inserted into the corresponding brake hole 17 to realize brake control.

[0050] In actual application, the longitudinal swinging mechanism comprises a swinging base 20 arranged on the control base 4, a reset spring 21, a linkage shaft 25, a limiting arc-shaped through slot 28 arranged on the control base 4, a protrusion 27 arranged on the inner wall of the rotating shell 10, the end face of the swinging base 20 towards the inner wall of the rotating shell 10 is a concave-convex inclined wedge surface 26, the protrusion 27 cooperates with the concave-convex inclined wedge surface 26, the reset spring 21 is arranged between the swinging base 20 and the control base 4, the outer end of the linkage shaft 25 is fixed on the swinging base 20, the inner end penetrates through the limiting arc-shaped through slot 28 and cooperates with the hub motor 5, the linkage shaft 25 swings back and forth in the limiting arc-shaped through slot 28 for driving the hub motor 5 and the wheel 2 to swing longitudinally, so that the wheel 2 realizes rocking car type rolling.

[0051] In the technical solution, the two ends of the reset spring 21 are provided with positioning outer turning ends 22, the control base 4 is provided with a positioning plane 23 and a positioning groove 24, one positioning outer turning end 22 abuts against the positioning plane 23, and the other positioning outer turning end 22 is embedded in the positioning groove 24.

[0052] In actual application, the control base 4 is provided with an assembly groove 29, a pivot 30 is arranged in the assembly groove, the swinging base 20, the reset spring 21 and the linkage shaft 25 are arranged in the assembly groove, the swinging base 20 is provided with an axle hole 31, the pivot 30 is inserted into the axle hole 31, the swinging base 20 rotates around the pivot 30 as an axis, a corresponding side wall of the hub motor 5 is provided with a plurality of swinging holes 32, the swinging holes 32 are long strip-shaped holes with two end circular arc transitions arranged along the radial direction, and the swinging holes 32 are centrally symmetrically distributed around the hub motor 5 as a symmetric center. The cross section of the control base 4 is in the shape of a sector, and the shape and size of the assembly groove are adapted to the shape and size of the control base 4.

[0053] In the technical solution, the axis of the pivot 30 is coaxial with the axis of the reset spring 21.

[0054] The above only describes preferred embodiments of the present application and is not used to limit the present application. In the above embodiments, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electric baby stroller drive mechanism, comprising a base frame (1) and wheels (2) mounted on the base frame (1), wherein the base frame (1) is used to mount the baby stroller, and the wheels (2) are used to drive the baby stroller to move, characterized in that: The base frame (1) is provided with a power supply (3), and the wheel (2) is provided with a drive mechanism. The drive mechanism is electrically connected to the power supply (3) and is used to drive the wheel (2) to move. The base frame (1) is provided with a control mechanism, which cooperates with the power supply (3) and / or the drive mechanism to control at least one of the following: controlling the power supply (3) to turn on and off, controlling the wheel movement mode, and controlling the start and stop of the drive mechanism.

2. The electric baby stroller drive mechanism according to claim 1, characterized in that: There are two wheels (2), and each wheel (2) is provided with a set of driving mechanisms and a set of control mechanisms. The driving mechanisms and control mechanisms on the same wheel (2) are in one-to-one control cooperation. The braking mechanism and longitudinal rocking mechanism on the same group of control mechanisms are used to control the start and stop of the corresponding drive mechanism and to control the corresponding wheel (2) to roll smoothly or in a rocking car style. The two sets of control mechanisms are provided with a synchronization mechanism, which is used to synchronize the operation of the two sets of control mechanisms.

3. The electric baby stroller drive mechanism according to claim 2, characterized in that: Each wheel (2) is connected to the base frame (1) via a corresponding control seat (4). The control mechanism is located on the control seat (4). The hub motor (5) on each set of drive mechanisms cooperates with the power supply (3) and the control mechanism. Each hub motor (5) is located on the hub of the corresponding wheel (2). The axle (6) of the wheel (2) passes through the hub motor (5) and then cooperates with the control seat (4).

4. The electric baby stroller drive mechanism according to claim 3, characterized in that: The control mechanism includes a foot control (9) disposed on the control base (4). The foot control (9) includes a rotating shell (10) and a foot control external lug (11) fixed on the rotating shell (10). The rotating shell (10) cooperates with the braking mechanism, the longitudinal swing mechanism and the synchronization mechanism to control the operation of the braking mechanism, the longitudinal swing mechanism and the synchronization mechanism by stepping on the foot control external lug (11) to rotate the rotating shell (10).

5. The electric baby stroller drive mechanism according to claim 4, characterized in that: The synchronization mechanism includes a synchronization traction rope (12), the two ends of which are respectively connected to the corresponding foot control (9) on the two wheels (2). Both ends of the synchronization traction rope (12) have a forward traction end (13) and a reverse traction end (14). The forward traction end (13) and the reverse traction end (14) at the same end are respectively set on the forward steering part and the reverse steering part of the rotating shell (10).

6. The electric baby stroller drive mechanism according to claim 5, characterized in that: The braking mechanism includes a brake seat (15) and a brake shaft (16) disposed on the brake seat (15). The outer end of the brake seat (15) cooperates with the inner wall of the rotating shell (10) to form a brake adjustment structure. The circumferential rotation of the rotating shell (10) triggers the brake adjustment structure to push the brake shaft (16) to move axially, so that the brake shaft (16) is inserted into the brake hole (17) on the hub motor (5) for braking. The circumferential rotation of the rotating shell (10) resets the brake shaft (16) and separates it from the hub motor (5) for brake release.

7. The electric baby stroller drive mechanism according to claim 6, characterized in that: The braking adjustment structure includes a flat tip (18) at the end of the brake shaft (16) and an arc-shaped concave-convex rib (19) inside the rotating shell (10). The flat tip (18) engages with the concave-convex rib (19). The rotating shell (10) rotates circumferentially to engage the protrusion or concave part on the concave-convex rib (19) with the flat tip (18), thereby causing the brake shaft (16) to move axially for braking or releasing the brake.

8. The electric baby stroller drive mechanism according to claim 7, characterized in that: The hub motor (5) has a plurality of brake holes (17) on its housing. The brake holes (17) are distributed in a circular pattern and the spacing between adjacent brake holes (17) is uniform.

9. The electric baby stroller drive mechanism according to claim 4, characterized in that: The longitudinal rocking mechanism includes a rocking seat (20), a return spring (21), and a linkage shaft (25) disposed on the control seat (4), a limiting arc-shaped through groove (28) disposed on the control seat (4), and a protrusion (27) disposed on the inner wall of the rotating shell (10). The end face of the rocking seat (20) facing the inner wall of the rotating shell (10) is a concave-convex wedge surface (26). The protrusion (27) cooperates with the concave-convex wedge surface (26). The return spring (21) is disposed between the rocking seat (20) and the control seat (4). The outer end of the linkage shaft (25) is fixed on the rocking seat (20), and the inner end passes through the limiting arc-shaped through groove (28) and cooperates with the hub motor (5). The linkage shaft (25) swings back and forth in the limiting arc-shaped through groove (28) to drive the hub motor (5) and the wheel (2) to swing longitudinally, so that the wheel (2) can achieve rocking car-like rolling.

10. The electric baby stroller drive mechanism according to claim 9, characterized in that: The control seat (4) is provided with an assembly groove (29), and a pivot (30) is provided in the assembly groove. The rocker seat (20), the return spring (21) and the linkage shaft (25) are provided in the assembly groove. The rocker seat (20) is provided with a shaft hole (31). The pivot (30) is inserted into the shaft hole (31) so that the rocker seat (20) rotates about the pivot (30) as the axis. The corresponding side wall of the hub motor (5) is provided with a number of rocker holes (32). The rocker holes (32) are long strip holes with rounded transitions at both ends arranged radially. The rocker holes (32) are centrally symmetrically distributed with the hub motor (5) as the center of symmetry.

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