Structure group for baby stroller and baby stroller

By using a motor-driven lead screw and its mating parts, the problem of cumbersome mechanical adjustment devices in children's strollers is solved, enabling simple and effortless adjustments that are suitable for children of different heights.

CN122009302APending Publication Date: 2026-05-12KUNSHAN AIGUO CHILDRENS PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
KUNSHAN AIGUO CHILDRENS PROD CO LTD
Filing Date
2025-01-16
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing mechanical height/length adjustment devices for strollers are cumbersome in structure and laborious to operate.

Method used

The system utilizes a motor-driven lead screw and mating parts. By moving the lead screw and mating parts relative to each other when the motor is running, the relative movement of the first and second components is achieved, simplifying the adjustment operation.

Benefits of technology

It allows for simple and effortless height/length adjustment, reduces the size of the stroller when folded, and is suitable for children of different heights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The structure set comprises a first component and a second component which can be connected in a relative movement mode, a motor is connected to the first component, a matching piece is connected to the second component, and the motor is connected with the matching piece in a matched mode through a lead screw; when the motor works, the first component and the second component are driven to move relatively through matching of the motor, the lead screw and the matching piece. Therefore, the purpose of adjusting the overall height / length of the first component and the second component is achieved. At least one component of the baby stroller is arranged to be the structure group, so that the adjusting structure is simple, and the adjusting operation is effortless.
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Description

Technical Field

[0001] This invention relates to the field of children's products, and more particularly to a structural assembly for a children's stroller and the stroller itself. Background Technology

[0002] A stroller is generally composed of multiple rods that are pivotally connected or / and can be moved relatively. The two relatively movable parts can be regarded as a structural group. In order to drive the relative movement of the two relatively movable parts, the overall height / length of the structural group is adjusted. A mechanical height / length adjustment device is usually set between the two parts. The relative movement of the two parts can only be achieved by operating the adjustment device.

[0003] However, the mechanical adjustment mechanisms on current strollers are quite complex and require considerable effort to adjust. Specifically, the mechanical adjustment mechanisms on current strollers generally include a mechanical locking mechanism between two relatively movable parts and an unlocking device for unlocking the mechanical locking mechanism. The operator must first unlock the mechanical locking mechanism by operating the unlocking device before moving the two parts relative to each other to adjust their height / length. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned disadvantages and provide a structural assembly for a children's stroller and a children's stroller, wherein the height / length adjustment device of the structural assembly is simple and the adjustment operation is effortless.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A structural assembly for a children's stroller includes a first component and a second component that are movably connected to each other. A motor is connected to the first component, and a mating component is connected to the second component. The motor is connected to the mating component via a lead screw. When the motor is working, the first component and the second component are driven to move relative to each other through the interaction of the motor, the lead screw, and the mating component.

[0007] The second component is movably connected to the first component on one side, or the first component is movably connected to the second component on one side; the motor is disposed in the first component, and the mating part is disposed in the second component.

[0008] The output end of the motor is connected to a lead screw, and the mating part is provided with an internal threaded hole. The lead screw is connected to the internal threaded hole of the mating part. Preferably, when one side of the second component is relatively movable and connected to the first component, the motor is connected to the side of the first component away from the second component, and the mating part is connected to the end of the second component facing the first component. Alternatively, one side of the first component is relatively movable and connected to the second component, the motor is connected to the side of the first component facing the second component, the mating part is connected to the second component, and the mating part is located between the two ends of the second component.

[0009] The motor is configured as a through-type lead screw motor, with one side of the lead screw connected to the through-type lead screw motor and the other end fixedly connected to a mating component. When the through-type lead screw motor operates, the lead screw and the motor move relative to each other, thereby causing the first component and the second component to move relative to each other. Preferably, when one side of the first component is relatively movably connected to the second component, the motor is connected to the side of the first component facing the second component, and the mating component is connected to the side of the second component away from the first component. Alternatively, one side of the second component is relatively movably connected to the first component, the mating component is connected to the side of the second component facing the first component, the motor is connected to the first component, and the motor is located between the two ends of the first component.

[0010] A stroller comprising at least one of the aforementioned structural components.

[0011] The stroller includes a main frame and a bottom frame connected to the front of the main frame. The main frame is configured as one of the structural groups, or the bottom frame is configured as one of the structural groups; or the main frame is configured as one of the structural groups and the bottom frame is also configured as one of the structural groups.

[0012] The main support includes a lower support and a push handle that is movably connected to the lower support. The lower support is configured as a first component and the push handle is configured as a second component; or, the lower support is configured as a second component and the push handle is configured as a first component.

[0013] The base support includes a front support and a rear support that is movably connected to the rear side of the front support. The front support is configured as a first component and the rear support is configured as a second component; or, the front support is configured as a second component and the rear support is configured as a first component.

[0014] The stroller includes left and right side supports, each side support including the main support and the bottom support; the stroller also includes foot pedals on the left and right sides respectively connected to the main supports of the side supports; the power supply for the motor is placed inside the foot pedals, and the first component or / the second component is provided with a through hole, through which the power cord of the motor passes and enters the foot pedals to connect with the power supply.

[0015] The stroller includes a mounting base, a handlebar, front legs, and rear legs. The lower side of the handlebar, the rear side of the front legs, and the front side of the rear legs are all pivotally connected to the mounting base, or one of them is fixedly connected to the mounting base while the other two are pivotally connected to it. At least one of the handlebar, front legs, and rear legs is configured as part of the structural assembly. Preferably, when the handlebar is configured as part of the structural assembly, the handlebar includes a lower handlebar connected to the mounting base and a lower handlebar movably connected to the lower handlebar. The lower handlebar is configured as a first component, and the upper handlebar is configured as a second component, or vice versa; or, when the front legs are configured as part of the structural assembly... When the structure is assembled, the front foot includes a front foot connected to the mounting base on its upper side and a front foot that is relatively movably connected to the front foot on its upper side; a first component is configured on the front foot and a second component is configured on the front foot, or a first component is configured on the front foot and a second component is configured on the front foot; or, when the rear foot is assembled into the structure, the rear foot includes a rear foot connected to the mounting base on its upper side and a rear foot that is relatively movably connected to the rear foot on its upper side; a first component is configured on the rear foot and a second component is configured on the rear foot, or a first component is configured on the rear foot and a second component is configured on the front foot.

[0016] Because the present invention adopts the above-described technical solution, it has the following beneficial effects:

[0017] 1. When the motor is working, the first part and the second part move relative to each other through the cooperation of the motor, the lead screw and the mating parts, thereby adjusting the overall height / length of the first part and the second part. This kind of adjustment not only makes the adjustment structure simple, but also makes the adjustment operation effortless.

[0018] 2. The overall height / length of the first and second components is adjustable, thereby reducing the size of the stroller when folded.

[0019] 3. The overall height / length of the first and second components can be infinitely adjusted, making it more convenient for caregivers of children of different heights to push and use the stroller. Attached Figure Description

[0020] Figure 1 This is a plan view of the first embodiment of the stroller of the present invention in its first state;

[0021] Figure 2 This is a three-dimensional schematic diagram of the first embodiment of the stroller of the present invention in its first state;

[0022] Figure 3 According to Figure 1 A cross-sectional view along the A-A direction;

[0023] Figure 4 This is a cross-sectional schematic diagram of the first embodiment of the stroller of the present invention in the second state;

[0024] Figure 5 According to Figure 4 A cross-sectional view along the C-C direction;

[0025] Figure 6 This is a cross-sectional schematic diagram of the second embodiment of the stroller of the present invention;

[0026] Figure 7 This is a cross-sectional schematic diagram of the third embodiment of the stroller of the present invention in the first state;

[0027] Figure 8 This is a cross-sectional schematic diagram of the third embodiment of the stroller of the present invention in the second state.

[0028] Figure 9 According to Figure 2 Enlarged schematic diagram of part B in the middle;

[0029] Figure 10 This is a plan view of the fourth embodiment of the stroller of the present invention; Detailed Implementation

[0030] This invention discloses a structural assembly for a children's stroller, such as... Figures 1 to 5 As shown, in the first embodiment, the structural assembly includes a first component and a second component that are movably connected to each other. A motor 1 is connected to the first component, and a mating component 3 is connected to the second component. The motor 1 is connected to the mating component 3 through a lead screw 2. When the motor 1 is working, the first component and the second component are driven to move relative to each other through the cooperation of the motor 1, the lead screw 2 and the mating component 3.

[0031] The output end of the motor 1 is connected to a lead screw 2, and the mating part 3 is provided with an internal threaded hole. The lead screw 2 and the internal threaded hole of the mating part 3 are engaged. That is, the engagement of the lead screw 2 and the mating part 3 is equivalent to the engagement of the lead screw 2 and the nut. Thus, when the motor 1 is working, the lead screw 2 is driven to rotate in both directions, thereby moving the mating part 3. Thus, if the motor 1 and the first component are stationary, the mating part 3 moves the second component toward the first component, that is, it pulls the second component relative to the first component, thereby adjusting the overall height / length of the first and second components. If the mating part 3 and the second component are stationary, the motor 1, the lead screw 2, and the first component move toward the second component, thereby also achieving the purpose of relative movement between the first and second components. In other words, the device for adjusting the overall height / length of the structural assembly includes the motor 1, the lead screw 2, and the mating part 3 with the internal threaded hole, as described above. When the motor 1 is not working, the first and second components remain relatively stationary; as long as the motor 1 is working, it will cause the first and second components to move relative to each other. Compared to traditional mechanical adjustment devices, this structure is simpler; and because the overall height / length adjustment of the first and second components is controlled by a motor, the adjustment operation is effortless, meaning that it does not require much manual effort to perform the adjustment.

[0032] In this first embodiment, the motor 1 is fixedly connected to the first component, and the mating part 3 is fixedly connected to the second component.

[0033] Preferably, one side of the second component is movably connected to the first component, or one side of the first component is movably connected to the second component; the motor 1 is disposed within the first component, and the mating component 3 is disposed within the second component. This arrangement ensures that the motor 1, the lead screw 2, and the mating component 3 are all located inside the structural assembly, making them less susceptible to external influences and thus guaranteeing that the relative movement adjustment of the first and second components is not affected.

[0034] In this first embodiment, the second component is further movably connected to the first component on one side, the motor 1 is connected to the side of the first component away from the second component, and the mating part 3 is connected to the end of the second component facing the first component. This configuration maximizes the relative movement distance of the first and second components when they are of the same length. That is, when they move towards each other, they can move to their shortest overall length / height, and when they move in opposite directions, they can move to their longest overall length / height.

[0035] In the second embodiment, as Figure 6As shown, the first component is movably connected to the second component on one side. In this configuration, the motor 1 is connected to the side of the first component facing the second component, and the mating component 3 is connected to the second component, with the mating component located between the two ends of the second component. That is, the mating component 3 is spaced away from both the end of the second component facing the first component and the end of the second component away from the first component. This provides space for the lead screw to move, thus not affecting the relative movement of the first and second components. Similarly, when the first and second components are of the same length, this configuration also maximizes the relative movement distance between them.

[0036] The connection between the motor 1 and the lead screw 2 can be configured such that the motor 1 itself has a built-in lead screw 2, and the lead screw 2 only rotates relative to the motor under the drive of the motor 1, but does not move relative to the motor; alternatively, the motor 1 itself has a built-in output shaft, which is connected to the lead screw 2 via a coupling. These are not the inventive points of this invention, and therefore will not be elaborated here. As long as the motor 1 can drive the lead screw to rotate when it is working, and the lead screw and the mating parts are connected by threads, it is acceptable.

[0037] like Figure 7 , 8 As shown, in the third embodiment, the motor 1 is configured as a through-type lead screw motor, with one end of the lead screw 2 connected to the through-type lead screw motor 1 and the other end fixedly connected to the mating component 3. When the through-type lead screw motor 1 operates, the lead screw 2 moves relative to the motor 1, thereby causing the first component and the second component to move relative to each other. Specifically, when the through-type lead screw motor 1 operates, if the motor 1 and the first component do not move, the lead screw 2, the mating component 3, and the second component move together relative to the first component; or, if the lead screw 2, the mating component 3, and the second component do not move, the motor and the first component move together relative to the second component. The connection between the through-type lead screw motor and the lead screw is well-known and will not be described in detail here.

[0038] Similarly, in this third embodiment, the first component may be movably connected to the second component on one side, the motor may be connected to the side of the first component facing the second component, and the mating part 3 may be connected to the side of the second component away from the first component. Alternatively, the second component may be movably connected to the first component on one side, the mating part 3 may be connected to the side of the second component facing the first component, and the motor 1 may be connected to the first component, with the motor 1 located between the two ends of the first component. That is, the motor is at a distance from both the end of the first component facing the second component and the end of the second component away from the first component. This does not affect the relative movement of the first and second components and maximizes the relative movement distance between the first and second components.

[0039] Preferably, the end of the lead screw 2 away from the mating part 3 is connected to a limiting part 21. When the first part and the second part move in opposite directions until the limiting part 21 contacts the motor 1, the two parts can no longer move in opposite directions, thereby preventing the lead screw from separating from the motor.

[0040] In the above embodiments, the power supply (not shown) for the motor 1 can be located within the first or second component, and the switch controlling the power supply can be remotely controlled. Alternatively, the switch can be located on the first or second component for manual operation. Or, the power supply for the motor 1 can be located outside the structural assembly, with a through-hole 12 on the first or second component, through which the power cord 11 of the motor 1 passes and connects to the power supply. Alternatively, a power cavity (not shown) can be provided on the outer wall of the first or second component for housing the power supply, and this power cavity communicates with the through-hole 12. The power cord 11 of the motor 1 enters the power cavity through the through-hole 12 and connects to the power supply. The power cavity is also designed to be openable / closeable for easy installation and operation. Preferably, the power cavity (not shown) is located on the outer wall of the first component at a position corresponding to the motor 1. The power supply can be any known and feasible configuration, and the power supply switch control can be any other known and feasible control method.

[0041] The present invention also discloses a stroller that can switch between an unfolded state and a folded state, the stroller comprising at least one of the aforementioned structural groups.

[0042] like Figures 1 to 5 As shown, in the first embodiment, the stroller includes a main support 4 and a bottom support 5 connected to the front of the main support 4. The main support 4 is configured as one of the structural groups; or, the bottom support 5 is configured as one of the structural groups; or, the main support 4 is configured as one of the structural groups and the bottom support 5 is also configured as one of the structural groups.

[0043] In this first embodiment, the main support 4 is configured as a structural assembly. Specifically, the main support 4 includes a lower support 41 and a push handle 42 movably connected to the lower support 41. The lower support 41 is configured as a first component, and the push handle 42 is configured as a second component. That is, the motor 1 is connected to the lower support 41, and the mating part 3 is connected to the push handle 42.

[0044] In this embodiment, the lower support 41 and the push handle 42 adopt the design of the first embodiment of the above-mentioned structure group. With this configuration, the motor 1 works and the lead screw 2 drives the mating part 3 to move, thereby causing the push handle 42 to move up and down relative to the lower support 41, thereby achieving the purpose of adjusting the overall height of the lower support 41 and the push handle 42.

[0045] Furthermore, in this embodiment, the push handle 42 is relatively movably connected to the lower bracket 41, the mating part 3 is connected to the lower end of the push handle 42, and the motor 1 is relatively connected to the lower side of the lower bracket 41. Because, under otherwise unrestricted conditions, when the push handle 42 moves downwards until the lower end of the mating part 3 contacts the motor 1, it cannot move further downwards. Thus, the initial distance between the motor 1 and the mating part 3 determines the upper limit of the vertical movement distance of the push handle 42. However, in addition to this, it must be considered that as the push handle 42 moves downwards, the length of the lead screw 2 extending into the push handle 42 increases. If the top of the lead screw 2 touches the top of the push handle 42 before the mating part 3 contacts the motor 1, then the push handle 42 cannot move further downwards. Therefore, considering all factors, if the mating part 3 is connected to the lower end of the push handle 42 and the motor 1 is connected to the lower side of the lower bracket 41, then when the stroller is to be folded, the push rod can move downward a greater distance, thus making the overall length of the lower bracket 41 and the push handle 42 the shortest, and thus the folded volume of the stroller is relatively small; when the stroller is in the unfolded state, the push handle 42 can move upward a maximum distance, thus making the overall length of the lower bracket 41 and the push handle 42 the longest. Between the shortest and longest overall lengths of the lower bracket 41 and the push handle 42, the overall length of the lower bracket 41 and the push handle 42 can also be adjusted by the operation of the motor 1, so that the stroller of the present invention can accommodate more caregivers of children of different heights. Furthermore, the screw 2 and the mating part 3 can be set so that the overall length of the lower support 41 and the push handle 42 can be adjusted to any height position between the shortest and longest relative lengths, that is, stepless adjustment is achieved, which makes it more convenient for caregivers of children of different heights to push and use the stroller.

[0046] Preferably, the base support 5 is also configured as part of the aforementioned structural assembly. Specifically, the base support 5 includes a front support 51 and a rear support 52 movably connected to the rear side of the front support 51. The front support 51 is configured as a first component, and the rear support 52 is configured as a second component; or, the front support 51 is configured as a second component, and the rear support 52 is configured as a first component. This configuration of the base support 5 allows adjustment of its overall front-to-back length, so that when the stroller is folded, the front support 51 and the rear support 52 can move relative to each other until they can no longer move, at which point the front-to-back length of the base support 5 is at its shortest. This further reduces the size of the stroller when folded. Figure 3 , 4 The above is a schematic diagram showing the first component (i.e., lower support 41), the second component (i.e., push handle 42) of the main support 4 and the first component (i.e., front support 51) and the second component (i.e., rear support 52) ​​of the bottom support 5 in different relative length states.

[0047] In this embodiment, the front side of the rear bracket 52 is movably connected to the rear side of the front bracket 51. Similarly, the motor 1 is connected to the front side of the front bracket 51, and the mating member 3 is connected to the front end of the rear bracket 52.

[0048] The lower support 41 is connected to the lower side of the front wheel 410, or the front support 51 is connected to the front side of the front wheel 410; the rear support 52 is connected to the rear side of the rear wheel 520.

[0049] Preferably, the front side of the bottom support 5 is pivotally connected to the lower side of the main support 4, that is, the front side of the front support 51 is pivotally connected to the lower side of the lower support 41. This facilitates the main support 4 to rotate backward and downward when the stroller of the present invention is folded up.

[0050] like Figure 7 In the second embodiment shown, the base frame 5 of the stroller adopts the design of the second embodiment of the above-mentioned structural group, that is, the front frame 51 is movably connected to the rear frame 52 on one side; in this configuration, the motor 1 is connected to the side of the front frame 51 facing the rear frame 52 (i.e., the rear side), the mating part 3 is connected to the rear frame 52, and the mating part is at a distance from both ends (i.e., the front and rear ends) of the rear frame 52, that is, the mating part 3 is at a distance from the front end of the rear frame 52 and also at a distance from the rear end of the rear frame 52.

[0051] In this embodiment, the upper support 4 adopts the design of the first embodiment of the above-described structural group.

[0052] like Figure 7 , 8 In the third embodiment shown, the main support 5 and the bottom support 5 of the stroller adopt the design of the third embodiment of the above-mentioned structural group, that is, the motor 1 is set as a through-type lead screw motor.

[0053] In this embodiment of the stroller, the upper support 41 is configured as the first component, and the upper support 42 is configured as the second component. The lower side of the upper support 42 is movably connected to the lower support 42. The mating part 3 is disposed on the lower side of the lower support 42, and the motor 1 is disposed on the lower side of the upper support 41, thereby maximizing the relative movement distance between the upper support 41 and the lower support 42. The front support 51 is configured as the second component, and the rear support 52 is configured as the first component.

[0054] In other embodiments, based on the above embodiments of the stroller, only the bottom support 5 may be configured as one of the aforementioned structural groups, while the main support 4 includes a lower support 41 and a push handle 42 (not shown) pivotally connected to the upper end of the lower support 41 on the lower side. When folded, the push handle 42 rotates downwards.

[0055] Combination Figure 2 , 9 As shown, in this first embodiment, the stroller includes left and right side supports 100. Each side support 100 includes a main support 4 and a bottom support 5, and also includes foot pedals 6 connected to the main supports 4 of the left and right side supports 100 respectively. The power supply for the motor 1 is located inside the foot pedals 6. The power cord 11 of the motor 1 passes through the through hole 12 and enters the foot pedals 6 to connect with the power supply. The foot pedals 6 are designed to be openable and closable, thereby facilitating the operation of the power supply, such as directly replacing the power supply, or charging a rechargeable power supply, etc.

[0056] In the fourth embodiment, as Figure 10 As shown, the stroller includes a mounting base 10, a handlebar 7, a front foot 8, and a rear foot 9. The lower side of the handlebar 7, the rear side of the front foot 8, and the front side of the rear foot 9 are all pivotally connected to the mounting base 10, or one of them is fixedly connected to the mounting base 10, while the other two are pivotally connected to the mounting base 10. At least one of the handlebar 7, the front foot 8, and the rear foot 9 is configured as the structural group, and the height / length of the structural group is adjustable.

[0057] When the rider 7 is configured as a structural assembly, the rider 7 includes a rider lower 71 connected to the mounting base 10 on its lower side, and a rider upper 72 movably connected to the rider lower 71 on its lower side. The rider lower 71 is configured as a first component, and the rider upper 72 is configured as a second component, or the rider lower 71 is configured as a second component, and the rider upper 72 is configured as a first component.

[0058] When the front foot 8 is configured as a structural assembly, the front foot 8 includes a front foot upper 81 connected to the mounting base 10 on its upper side, and a front foot lower 82 movably connected to the front foot upper 81 on its upper side. The front foot upper 81 is configured as a first component, and the front foot lower 82 is configured as a second component, or the front foot lower 82 is configured as a first component, and the front foot upper 81 is configured as a second component.

[0059] Similarly, when the rear foot 9 is configured as a structural assembly, the rear foot 9 includes a rear foot upper 91 connected to the mounting base 10 on its upper side and a rear foot lower 92 movably connected to the rear foot upper 91 on its upper side. The rear foot upper 91 is configured as a first component, and the rear foot lower 92 is configured as a second component, or the rear foot lower 92 is configured as a first component, and the rear foot upper 91 is configured as a second component.

[0060] When folding, after the handlebars 7, front feet 8, and rear feet 9 rotate relative to each other and move closer, the design of the structural assembly drives the motor to work. Through the cooperation of motor 1, lead screw 2, and mating part 3, lead screw 2 rotates, causing mating part 3 to move, or lead screw 2 and mating part 3 move relative to motor 1 together. This shortens the overall length of handlebars 7, front feet 8, and rear feet 9, resulting in a smaller frame size when folded. When unfolding the stroller, handlebars 7, front feet 8, and rear feet 9 can be rotated in opposite directions to the unfolded state before driving the motor. Through the cooperation of motor 1, lead screw 2, and mating part 3, the overall length of handlebars 7, front feet 8, and rear feet 9 can be lengthened to the initial state. Alternatively, the length of handlebars 7, front feet 8, and rear feet 9 can be adjusted before folding / unfolding.

[0061] The above are just a few specific embodiments of the stroller with the structure group applied. In other embodiments, the stroller may have other structural forms, and any suitable component may be set as the structure group as needed, and may be any of the specific settings of the structure group mentioned above, which will not be listed here.

[0062] Each of the above embodiments of the stroller will also include a stroller locking mechanism to lock the stroller in the unfolded state. The stroller can only be folded or closed after the stroller locking mechanism is unlocked. The specific structure of the locking mechanism and the unlocking operation can be any known and feasible structure, and since they are not the inventive point of this invention, they will not be described in detail here.

[0063] Those skilled in the art should understand that the terms "upper," "lower," "left," "right," "front," "back," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. When the visual observation changes, the above orientation or positional relationship will also change accordingly, and therefore should not be construed as a limitation of the present invention.

[0064] The embodiments of the present invention have been described in detail above, but the content described is only a preferred embodiment of the present invention and should not be considered as limiting the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A structural assembly for a children's stroller, characterized in that: It includes a first component and a second component that can be movably connected to each other. A motor is connected to the first component, and a mating component is connected to the second component. The motor is connected to the mating component via a lead screw. When the motor is working, the first component and the second component are driven to move relative to each other through the cooperation of the motor, the lead screw and the mating component.

2. The stroller according to claim 1, characterized in that: The second component is movably connected to the first component on one side, or the first component is movably connected to the second component on one side; the motor is disposed in the first component, and the mating part is disposed in the second component.

3. The stroller according to claim 1 or 2, characterized in that: The output end of the motor is connected to a lead screw, and the mating part is provided with an internal threaded hole. The lead screw is connected to the internal threaded hole of the mating part. Preferably, when one side of the second component is relatively movable and connected to the first component, the motor is connected to the side of the first component away from the second component, and the mating part is connected to the end of the second component facing the first component. Alternatively, one side of the first component is relatively movable and connected to the second component, the motor is connected to the side of the first component facing the second component, the mating part is connected to the second component, and the mating part is located between the two ends of the second component.

4. The stroller according to claim 1 or 2, characterized in that: The motor is configured as a through-type lead screw motor, with one side of the lead screw connected to the through-type lead screw motor and the other end fixedly connected to a mating component. When the through-type lead screw motor operates, the lead screw and the motor move relative to each other, thereby causing the first component and the second component to move relative to each other. Preferably, when one side of the first component is relatively movably connected to the second component, the motor is connected to the side of the first component facing the second component, and the mating component is connected to the side of the second component away from the first component. Alternatively, one side of the second component is relatively movably connected to the first component, the mating component is connected to the side of the second component facing the first component, the motor is connected to the first component, and the motor is located between the two ends of the first component.

5. A children's stroller, characterized in that: It includes at least one structure group as described in any one of claims 1 to 4.

6. The stroller according to claim 5, characterized in that: The stroller includes a main frame and a bottom frame connected to the front of the main frame. The main frame is configured as one of the structural groups, or the bottom frame is configured as one of the structural groups; or the main frame is configured as one of the structural groups and the bottom frame is also configured as one of the structural groups.

7. The stroller according to claim 6, characterized in that: The main support includes a lower support and a push handle that is movably connected to the lower support. The lower support is configured as a first component and the push handle is configured as a second component; or, the lower support is configured as a second component and the push handle is configured as a first component.

8. The stroller according to claim 6 or 7, characterized in that: The base support includes a front support and a rear support that is movably connected to the rear side of the front support. The front support is configured as a first component and the rear support is configured as a second component; or, the front support is configured as a second component and the rear support is configured as a first component.

9. The stroller according to any one of claims 6 to 8, characterized in that: The stroller includes left and right side supports, each side support including the main support and the bottom support; the stroller also includes foot pedals on the left and right sides respectively connected to the main supports of the side supports; the power supply for the motor is placed inside the foot pedals, and the first component or / the second component is provided with a through hole, through which the power cord of the motor passes and enters the foot pedals to connect with the power supply.

10. The stroller according to claim 9, characterized in that: The assembly includes a mounting base, a rider, a front foot, and a rear foot. The lower side of the rider, the rear side of the front foot, and the front side of the rear foot are all pivotally connected to the mounting base, or one is fixedly connected to the mounting base while the other two are pivotally connected to it. At least one of the rider, front foot, and rear foot is configured as part of the structural assembly. Preferably, when the rider is configured as part of the structural assembly, the rider includes a lower part connected to the mounting base and a upper part movably connected to the lower part of the lower part. The lower part of the lower part is configured as a first component, and the upper part is configured as a second component, or vice versa; or, when the front foot is configured as part of the structural assembly... When the rear foot is configured as part of the structural assembly, the rear foot includes an upper side connected to the mounting base and an upper side movably connected to the rear foot; a first component is configured on the front foot and a second component is configured on the lower side of the front foot, or a first component is configured on the lower side of the front foot and a second component is configured on the front foot; or, when the rear foot is configured as part of the structural assembly, the rear foot includes an upper side connected to the mounting base and a lower side movably connected to the rear foot; a first component is configured on the rear foot and a second component is configured on the lower side of the rear foot, or a first component is configured on the lower side of the rear foot and a second component is configured on the front foot.