Baby carriage auxiliary wheel dismounting and mounting structure

The combination structure of the main connecting part, vertical connecting part and limiting groove solves the problem of easy loosening of the auxiliary wheels of the stroller and achieves a stable installation effect.

CN223821847UActive Publication Date: 2026-01-23彭瑞颖
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Patent Information

Application Number
CN202520369372.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-01-23
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing connecting frame between the auxiliary wheels of children's strollers and the rear wheel guard is prone to loosening, affecting the safety and effective use of the auxiliary wheels.

Method used

The system employs a combination structure consisting of a main connecting part, a first vertical connecting part, a second vertical connecting part, fasteners, a limiting part, and a limiting groove. Through the cooperation of the limiting groove and the fasteners, a stable connection between the auxiliary wheel and the wheel is ensured.

Benefits of technology

The auxiliary wheels are securely installed, preventing them from loosening and ensuring safe and effective use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a baby carriage auxiliary wheel dismounting and mounting structure, which belongs to the technical field of baby carriage accessories and comprises a main connecting part, a first vertical connecting part, a second vertical connecting part, two fasteners, two limiting parts and two limiting grooves. The first vertical connecting part is fixedly mounted at one end of the main connecting part and extends upwards, and the second vertical connecting part is fixedly mounted at the other end of the main connecting part and extends downwards; the two limiting parts are fixedly mounted on the first vertical connecting part, are located on the side, away from the second vertical connecting part, of the first vertical connecting part, and are arranged up and down at an interval; the two limiting grooves are formed in the upper end and the lower end of the wheel outer side baffle correspondingly, and the two limiting parts are installed in the two limiting grooves in a matched mode correspondingly. According to the disassembly and assembly structure for the auxiliary wheel of the baby carriage, the limiting parts are installed in the two limiting grooves in a matched mode, so that the first vertical connecting part is installed more stably and firmly and is not prone to loosening, and safe and effective use of the auxiliary wheel is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of baby carriage accessories, more particularly, relates to a baby carriage auxiliary wheel dismounting structure. BACKGROUND

[0002] The auxiliary wheel of the baby carriage is an important auxiliary tool for children to learn to ride a bicycle, which mainly serves to improve the stability and safety of the baby carriage, help children maintain balance during riding, prevent them from falling down due to insufficient balance, especially when starting, stopping or driving on uneven road, so that the baby carriage is more stable, and the auxiliary wheel effectively limits the riding speed during riding, reduces the risk of accidents, and enables children to practice riding within a safe speed range and better master the riding skills. At present, a connecting frame is arranged between the rear wheel and the auxiliary wheel of the baby carriage, the connecting frame is installed in butt joint with the baffle on the rear wheel, and then is fixed by using bolts. In this connection mode, the connecting frame and the baffle of the rear wheel are prone to loosening, which affects the safe and effective use of the auxiliary wheel. SUMMARY

[0003] The utility model aims at providing a baby carriage auxiliary wheel dismounting structure to solve the technical problem that the connecting frame and the baffle of the rear wheel are prone to loosening in the prior art, which affects the safe and effective use of the auxiliary wheel.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a baby carriage auxiliary wheel dismounting structure, which comprises a main connecting part, a first vertical connecting part, a second vertical connecting part, two fasteners, two limiting parts and two limiting grooves. The main connecting part is used for being installed on one side of the wheel. The first vertical connecting part is fixedly installed on one end of the main connecting part close to the wheel, extends upward, and is used for being in butt joint with the baffle outside the wheel. The second vertical connecting part is fixedly installed on one end of the main connecting part away from the wheel, extends downward, and is arranged in staggered parallel with the first vertical connecting part. The second vertical connecting part is used for being connected with the auxiliary wheel. The two fasteners are respectively installed on the first vertical connecting part and the second vertical connecting part. The two limiting parts are fixedly installed on the first vertical connecting part. The two limiting parts are located on the side of the first vertical connecting part away from the second vertical connecting part and are arranged in an upper and lower interval. The two limiting grooves are respectively formed in the upper and lower ends of the baffle outside the wheel, and the two limiting parts are respectively fitted into the two limiting grooves.

[0005] In a possible implementation manner, the limiting groove is arranged along the thickness direction of the first vertical connecting part and penetrates the upper end and the lower end of the first vertical connecting part. The fastener on the first vertical connecting part is arranged between the two limiting parts.

[0006] In a possible implementation, the lower end surface of the upper locating part and the upper end surface of the lower locating part are both provided with rubber pads.

[0007] In a possible implementation, the main connecting part, the first vertical connecting part, the second vertical connecting part and the two locating parts are integrally formed.

[0008] In a possible implementation, the first vertical connecting part and the second vertical connecting part are both provided with through holes, and the fastener is a bolt installed in the through hole.

[0009] In a possible implementation, the through hole on the first vertical connecting part is an elongated hole, and the length direction of the elongated hole is consistent with the length direction of the first vertical connecting part.

[0010] In a possible implementation, the first vertical connecting part is provided with a pad plate between the two locating parts, and the pad plate is provided with a through hole for the fastener to pass through.

[0011] In a possible implementation, the main connecting part and the first vertical connecting part are further provided with a reinforcing plate, the reinforcing plate is arranged obliquely, and both ends of the reinforcing plate are provided with abutting mounting parts for connecting with the first vertical connecting part and the main connecting part.

[0012] In a possible implementation, the auxiliary wheel dismounting structure further comprises a U-shaped connecting piece, the U-shaped connecting piece is installed upside down, both lower ends of the U-shaped connecting piece are provided with fixing parts for abutting mounting with the upper locating part, the locating part and the fixing part are both provided with mounting holes, the bottom surface of the locating groove is provided with a screw hole coaxially aligned with the mounting hole, and the fixing part, the locating part and the outer side baffle of the wheel are fixedly connected through a bolt passing through the two mounting holes and screwing with the screw hole.

[0013] In a possible implementation, the baffle is provided with a thickening part for increasing the thickness of the baffle, and the screw hole penetrates the thickening part.

[0014] The beneficial effects of the stroller auxiliary wheel disassembly and assembly structure provided by this utility model are as follows: Compared with the prior art, when using the stroller auxiliary wheel disassembly and assembly structure of this utility model, the auxiliary wheel is removed and installed on the second vertical connecting part, and fixed with fasteners; then, the main connecting part is manipulated so that the first vertical connecting part aligns with the baffle on the outer side of the wheel, with the auxiliary wheel and the second vertical connecting part located on the side of the first vertical connecting part away from the wheel; at the same time, the two limiting parts on the first vertical connecting part are respectively installed into the two limiting grooves at the upper and lower ends of the baffle, so that the installation of the first vertical connecting part is more stable and will not wobble or move left and right, and another fastener is used to fix the first vertical connecting part to the baffle on the outer side of the wheel, thus completing the installation of the auxiliary wheel; in this way, when the first vertical connecting part aligns with the baffle on the outer side of the wheel, the two limiting parts arranged at intervals are respectively installed into the two limiting grooves, making the installation of the first vertical connecting part more stable, reliable and not easy to loosen, ensuring the safe and effective use of the auxiliary wheel. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a front view of the usage state of the stroller auxiliary wheel disassembly and assembly structure provided in this embodiment of the utility model;

[0017] Figure 2 A side view of the detachable and removable structure for a stroller provided in this embodiment of the utility model, showing its usage state.

[0018] Figure 3 This is a cross-sectional view of the detachable structure of the auxiliary wheel of the stroller provided in an embodiment of the present utility model;

[0019] Figure 4 A front view of the usage state of the detachable and removable structure for the auxiliary wheel of a stroller with a U-shaped connector provided in an embodiment of this utility model;

[0020] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0021] Figure 6 A side view of the usage state of the stroller auxiliary wheel disassembly and assembly structure with U-shaped connector provided in an embodiment of this utility model.

[0022] The following are the labeling elements in the figure:

[0023] 1. Main connecting part; 11. Reinforcing plate; 12. Butt mounting part; 13. Screw; 2. First vertical connecting part; 21. Pad; 22. Through hole; 3. Second vertical connecting part; 31. Connecting hole; 4. Fastener; 5. Limiting part; 51. Rubber pad; 6. Limiting groove; 61. Mounting hole; 62. Screw hole; 7. U-shaped connector; 71. Fixing part; 8. Thickened part; 9. Wheel; 91. Auxiliary wheel; 92. Baffle. Detailed Implementation

[0024] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "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 this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] Please see Figures 1 to 3The present invention describes the detachable and detachable structure for a child stroller auxiliary wheel. The structure includes a main connecting part 1, a first vertical connecting part 2, a second vertical connecting part 3, two fasteners 4, two limiting parts 5, and two limiting grooves 6. The main connecting part 1 is installed on one side of the wheel 9. The first vertical connecting part 2 is fixedly installed at the end of the main connecting part 1 near the wheel 9, extending upwards and engaging with the outer side plate 92 of the wheel 9. The second vertical connecting part 3 is fixedly installed at the end of the main connecting part 1 away from the wheel 9, extending downwards. The first vertical connecting part 2 is arranged in parallel with the second vertical connecting part 3, which is used to connect with the auxiliary wheel 91. Two fasteners 4 are respectively installed on the first vertical connecting part 2 and the second vertical connecting part 3. Two limiting parts 5 are fixedly installed on the first vertical connecting part 2, and the two limiting parts 5 are located on the side of the first vertical connecting part 2 away from the second vertical connecting part 3, and are arranged vertically and horizontally at intervals. Two limiting grooves 6 are respectively used to be opened at the upper and lower ends of the outer baffle 92 of the wheel 9, and the two limiting parts 5 are respectively fitted into the two limiting grooves 6.

[0029] Compared with the prior art, the stroller auxiliary wheel disassembly and assembly structure provided by this utility model allows for the following steps: First, the auxiliary wheel 91 is removed and installed on the second vertical connecting part 3, secured with fasteners 4. Then, the main connecting part 1 is manipulated to align the first vertical connecting part 2 with the baffle 92 on the outer side of the wheel 9. The auxiliary wheel 91 and the second vertical connecting part 3 are located on the side of the first vertical connecting part 2 away from the wheel 9. Simultaneously, the two limiting parts 5 on the first vertical connecting part 2 are respectively fitted into the two limiting grooves at the upper and lower ends of the baffle 92. In step 6, the first vertical connecting part 2 is installed more stably, preventing it from swaying or moving left and right. Another fastener 4 is used to fix the first vertical connecting part 2 to the outer baffle 92 of the wheel 9, thus completing the installation of the auxiliary wheel 91. In this way, when the first vertical connecting part 2 is connected to the outer baffle 92 of the wheel 9, the two limiting parts 5 arranged at intervals above and below are respectively installed into the two limiting grooves 6, making the installation of the first vertical connecting part 2 more stable, reliable and not easy to loosen, ensuring the safe and effective use of the auxiliary wheel 91.

[0030] Please see Figures 1 to 3As a specific embodiment of the child vehicle auxiliary wheel disassembly and assembly structure provided by this utility model, the limiting groove 6 is arranged along the thickness direction of the first vertical connecting part 2 and penetrates the upper and lower ends of the first vertical connecting part 2; the fastener 4 located on the first vertical connecting part 2 is set between the two limiting parts 5; during the process of the first vertical connecting part 2 aligning with the outer baffle 92 of the vehicle, the two limiting parts 5 are directly aligned with the two limiting grooves 6, and the limiting parts 5 are directly inserted into the corresponding limiting grooves 6, completing the matching installation of the limiting parts 5 and the limiting grooves 6, making the operation more convenient. At the same time, with the matching installation of the limiting parts 5 and the limiting grooves 6, the connection between the first vertical connecting part 2 and the outer baffle 92 of the wheel 9 is also more accurate.

[0031] Please see Figure 3 As a specific embodiment of the detachable and detachable auxiliary wheel structure for children's vehicles provided by this utility model, the lower end face of the upper limiting part 5 and the upper end face of the lower limiting part 5 are both provided with rubber pads 51; the rubber pads 51 increase the friction and connection reliability between the limiting part 5 and the limiting groove 6, which can better prevent the limiting part 5 from shaking.

[0032] Please see Figures 1 to 3 As a specific embodiment of the detachable and assembled auxiliary wheel structure for children's vehicles provided by this utility model, the main connecting part 1, the first vertical connecting part 2, the second vertical connecting part 3 and the two limiting parts 5 are integrally formed; the connection strength of the main connecting part 1, the first vertical connecting part 2, the second vertical connecting part 3 and the two limiting parts 5 is improved, thereby making the use more stable and safer.

[0033] Please see Figures 1 to 3 As a specific embodiment of the detachable structure for the auxiliary wheel of the stroller provided by this utility model, both the first vertical connecting part 2 and the second vertical connecting part 3 are provided with connecting holes 31, and the fastener 4 is a bolt installed in the corresponding connecting hole 31; threaded holes are provided on the auxiliary wheel 91 and the outer baffle 92 of the wheel 9. When the first vertical connecting part 2 is mated with the outer baffle 92 of the wheel 9, the connecting hole 31 is coaxially aligned with the threaded hole and is locked and fixed with bolts; similarly, when the second vertical connecting part 3 is mated with the auxiliary wheel 91, the connecting hole 31 is coaxially aligned with the threaded hole and is locked and fixed with bolts.

[0034] Please see Figures 1 to 3 As a specific embodiment of the stroller auxiliary wheel disassembly and assembly structure provided by this utility model, the connecting hole 31 on the first vertical connecting part 2 is an elongated hole. The length direction of the elongated hole is consistent with the length direction of the first vertical connecting part 2. With the help of the elongated hole, the installation position of the first vertical connecting part 2 can be finely adjusted up and down, thereby making the installation of the stroller auxiliary wheel disassembly and assembly structure more flexible.

[0035] Please see Figure 1 andFigure 3 As a specific embodiment of the detachable structure for the auxiliary wheel of the stroller provided by this utility model, the first vertical connecting part 2 is provided with a pad 21 located between the two limiting parts 5, and the pad 21 is provided with a through hole 22 for the fastener 4 to pass through; the pad 21 makes the connection between the first vertical connecting part 2 and the outer baffle 92 of the wheel 9 more compact and there will be no gap, so that the fixed connection effect between the first vertical connecting part 2 and the outer baffle 92 of the wheel 9 is better.

[0036] Please see Figures 1 to 3 As a specific embodiment of the detachable and assembled structure for the auxiliary wheel of the stroller provided by this utility model, a reinforcing plate 11 is also provided between the main connecting part 1 and the first vertical connecting part 2. The reinforcing plate 11 is arranged at an angle, and each end is provided with a docking mounting part 12 for connecting with the first vertical connecting part 2 and the main connecting part 1, respectively. The reinforcing plate 11 increases the load-bearing capacity and strength of the main connecting part 1 and the first vertical connecting part 2. A docking mounting part 12 is provided at both ends of the reinforcing plate 11. The main connecting part 1 and the first vertical connecting part 2 are provided with threaded holes, and the docking mounting part 12 is provided with connecting holes. After the docking mounting part 12 is docked with the main connecting part 1 and the first vertical connecting part 2, respectively, it is fixedly connected using screws 13 or the like.

[0037] Please see Figures 4 to 6 As a specific embodiment of the stroller auxiliary wheel disassembly and assembly structure provided by this utility model, the stroller auxiliary wheel disassembly and assembly structure also includes a U-shaped connector 7. The U-shaped connector 7 is installed upside down, and both lower ends of the U-shaped connector 7 are provided with fixing parts 71 that are installed opposite to the upper limiting parts 5. Both the limiting parts 5 and the fixing parts 71 are provided with mounting holes 61. The bottom surface of the limiting groove 6 is provided with screw holes 62 that are coaxially aligned with the mounting holes 61. The fixing parts 71, the limiting parts 5 and the outer baffle 92 of the wheel 9 are fixedly connected by bolts that pass through the two mounting holes 61 and are threaded to the screw holes 62. The upside-down U-shaped connector 7 is installed from above the wheel 9, and the fixing parts 71 at the lower end of the U-shaped connector 7 are respectively installed on the two limiting parts 5, and the fixing parts 71 and the limiting parts 5 are fixedly connected, so that the U-shaped connector 7 and the two first vertical connecting parts 2 form a whole, making the use of the stroller auxiliary wheel disassembly and assembly structure more stable and reliable. A screw hole 62 is made on the bottom surface of the limiting groove 6, and an installation hole 61 is provided on the fixing part 71. A bolt is passed through the installation hole 61 and threadedly connected to the screw hole 62 to fix the fixing part 71 and the limiting part 5.

[0038] Please see Figures 4 to 6As a specific embodiment of the detachable and assembled auxiliary wheel structure for a children's stroller provided by this utility model, the baffle 92 is provided with a thickened portion 8 to increase the thickness of the baffle 92, and the screw hole 62 penetrates the thickened portion 8; that is, by means of the thickened portion 8, the thickness of the baffle 92 is increased, thereby increasing the thread length of the screw hole 62, thus making the bolt connection more secure. The outer baffle 92 of the wheel 9 has a box-shaped structure, and the limiting portion 5 is provided on the upper and lower side walls of the box-shaped structure. The thickened portion 8 is provided on the inner wall of the box-shaped structure and corresponds to the limiting groove 6.

[0039] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A detachable and assembleable structure for a child stroller's auxiliary wheels, characterized in that, The device includes a main connecting portion, a first vertical connecting portion, a second vertical connecting portion, two fasteners, two limiting portions, and two limiting grooves. The main connecting portion is installed on one side of the wheel. The first vertical connecting portion is fixedly installed at the end of the main connecting portion near the wheel, extending upward and used to connect with the outer side panel of the wheel. The second vertical connecting portion is fixedly installed at the end of the main connecting portion away from the wheel, extending downward and arranged parallel to the first vertical connecting portion, and used to connect with an auxiliary wheel. The two fasteners are respectively installed on the first vertical connecting portion and the second vertical connecting portion. The two limiting portions are both fixedly installed on the first vertical connecting portion, located on the side of the first vertical connecting portion away from the second vertical connecting portion, and arranged vertically at intervals. The two limiting grooves are respectively opened at the upper and lower ends of the outer side panel of the wheel, and the two limiting portions are respectively fitted into the two limiting grooves.

2. The child stroller auxiliary wheel detachment and assembly structure as described in claim 1, characterized in that, The limiting groove is arranged along the thickness direction of the first vertical connecting part and passes through the upper and lower ends of the first vertical connecting part; the fastener located on the first vertical connecting part is disposed between the two limiting parts.

3. The child stroller auxiliary wheel detachment and assembly structure as described in claim 2, characterized in that, Both the lower end face of the upper limiting part and the upper end face of the lower limiting part are provided with rubber pads.

4. The child stroller auxiliary wheel detachment and assembly structure as described in claim 1, characterized in that, The main connecting part, the first vertical connecting part, the second vertical connecting part, and the two limiting parts are integrally formed.

5. The child stroller auxiliary wheel detachment and assembly structure as described in claim 1, characterized in that, Both the first vertical connecting part and the second vertical connecting part are provided with connecting holes, and the fastener is a bolt installed in the corresponding connecting hole.

6. The child stroller auxiliary wheel detachment and assembly structure as described in claim 5, characterized in that, The connecting hole located on the first vertical connecting part is an elongated hole, and the length direction of the elongated hole is consistent with the length direction of the first vertical connecting part.

7. The child stroller auxiliary wheel detachment and assembly structure as described in claim 1, characterized in that, The first vertical connecting part is provided with a pad located between the two limiting parts, and the pad is provided with a through hole for the fastener to pass through.

8. The child stroller auxiliary wheel detachment and assembly structure as described in claim 1, characterized in that, A reinforcing plate is also provided between the main connecting part and the first vertical connecting part. The reinforcing plate is arranged at an angle and has docking mounting parts at both ends for connecting with the first vertical connecting part and the main connecting part, respectively.

9. The child stroller auxiliary wheel detachment and assembly structure as described in claim 1, characterized in that, The detachable structure of the stroller auxiliary wheel also includes a U-shaped connector, which is installed upside down, and both lower ends of the U-shaped connector are provided with fixing parts that are installed opposite to the limiting part located above; both the limiting part and the fixing part are provided with mounting holes; the bottom surface of the limiting groove is provided with screw holes that are coaxially aligned with the mounting holes, and the fixing part, the limiting part and the outer wheel baffle are fixedly connected by bolts that pass through the two mounting holes and are threaded to the screw holes.

10. The child stroller auxiliary wheel detachment and assembly structure as described in claim 9, characterized in that, The baffle plate is provided with a thickened portion to increase the thickness of the baffle plate, and the screw hole penetrates the thickened portion.