A wheel device with shock absorption function and a stroller
By incorporating a combination of sliding parts and shock-absorbing springs on the stroller wheels, the problem of stroller bumps was solved, resulting in a significant shock absorption effect and improved user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LISHUI ZHIBEN MEDICAL EQUIP CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-14
AI Technical Summary
The existing stroller wheels lack shock absorption, resulting in severe bumps during operation and a poor user experience.
Sliding parts are provided at both ends of the wheel axle, and shock-absorbing springs are installed between the sliding parts and the guide parts of the connecting frame. The up-and-down sliding of the sliding parts and the buffering effect of the springs are used to reduce the feeling of bumps.
It effectively cushions bumps, improves user experience, has a significant shock absorption effect, and is simple in structure and low in cost.
Smart Images
Figure CN224491176U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of trolley wheel technology, specifically relating to a wheel device with shock absorption function and a trolley. Background Technology
[0002] Currently, strollers such as wheelchairs, camping strollers, and baby strollers are commonly used in daily life. Wheelchairs and baby strollers are assistive tools used to replace walking, typically consisting of a seat, armrests, wheels, and a frame. Wheelchairs help people with mobility impairments move and move more easily, while baby strollers are used for infants. Camping strollers are used to transport items during outdoor camping trips. Currently, most strollers on the market have wheels directly attached to the wheelchair frame, lacking shock absorption. This results in a strong sense of bumpiness when encountering uneven surfaces, leading to a poor user experience. Utility Model Content
[0003] This utility model provides a wheel device and a trolley with shock absorption function, which aims to solve the problem that the wheels on the trolleys in the prior art do not have shock absorption function, which makes it easy to cause bumps during the ride and result in a poor user experience.
[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0005] In a first aspect, this utility model provides a wheel device with shock absorption function, comprising:
[0006] A wheel body, wherein an axle is provided on the wheel body and the wheel body is rotatably connected to the axle, and sliding portions are provided at both ends of the axle; and,
[0007] The wheel frame has two connecting frames, which are located on the left and right sides of the wheel body, respectively. Each connecting frame has a guide portion, and two sliding portions are slidably disposed on the two guide portions in the vertical direction. A shock-absorbing spring is provided between the upper side of each sliding portion and its corresponding connecting frame.
[0008] A further embodiment: Each of the guide portions is provided with a guide hole, and the sliding portion is slidably disposed in the corresponding guide hole. Each of the shock-absorbing springs is located between the upper side of the corresponding sliding portion and the top wall of the guide hole.
[0009] Based on the above technical solution: the above configuration facilitates the installation of the shock-absorbing spring and the two sliding parts.
[0010] A further embodiment: a first spring seat is provided on the top wall of the guide hole, a second spring seat is provided on the upper side of the sliding part, and the spring is located between the corresponding first spring seat and second spring seat.
[0011] Based on the above technical solution: the first spring seat and the second spring seat facilitate the installation of the shock-absorbing spring and can limit the shock-absorbing spring to prevent it from detaching from the connecting frame, so that the shock-absorbing spring can stably play a shock-absorbing role.
[0012] A further solution: both the first spring seat and the second spring seat are protrusions, and the two ends of the spring are respectively sleeved on the two protrusions corresponding to them.
[0013] A further embodiment: both the first spring seat and the second spring seat are grooves, and the two ends of the spring are respectively located in the two corresponding grooves.
[0014] A further embodiment: Each of the sliding parts includes a left component located on the left side of the corresponding connecting frame and a right component located on the right side of the corresponding connecting frame, the left component and the right component being fixedly connected, and the left component and the right component clamping the guide part between them.
[0015] Based on the above technical solution: the above setting can prevent the sliding part from detaching from the connecting frame along the axial direction, so that the sliding part is stably connected to the connecting frame.
[0016] A further embodiment: two guide grooves are formed between the left component and the right component, and the guide part includes two guide rails located on the front and rear sides of the guide hole, respectively, and the two guide grooves are respectively clamped on the outer sides of the two guide rails.
[0017] Based on the above technical solution: the above setting can prevent the sliding part from detaching from the connecting frame along the axial direction, so that the sliding part is stably connected to the connecting frame.
[0018] A further solution: the left component and its corresponding right component are interlocked.
[0019] Based on the above technical solution, the above settings facilitate assembly.
[0020] A further option is that both sliding parts are slidably disposed on the two guide parts in an inclined up-down direction; or, both sliding parts are slidably disposed on the two guide parts in a vertical up-down direction.
[0021] Secondly, this utility model provides a stroller, including a wheel device with shock absorption function as described in any of the solutions in the first aspect, wherein the stroller is any one of a wheelchair, camping vehicle, stroller, and electric scooter.
[0022] The beneficial effects of this utility model are as follows:
[0023] This invention features two sliding parts at each end of the axle, slidably mounted vertically on guide sections of two connecting frames. Each sliding part has a shock-absorbing spring between its upper side and the corresponding connecting frame. When the cart encounters uneven terrain, the wheels can slide vertically relative to the guide sections via the sliding parts. During this process, the shock-absorbing springs act as a buffer, effectively preventing vertical bumps. Furthermore, the shock-absorbing springs are easy to install and have low cost. Attached Figure Description
[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0025] Figure 1 This is a schematic diagram of the structure of a wheel device with shock absorption function according to this utility model.
[0026] Figure 2 This is an exploded structural diagram of a wheel device with shock absorption function according to this utility model.
[0027] Figure 3 This is a schematic diagram of the sliding part.
[0028] Figure 4 This is a schematic diagram of the exploded structure of the sliding part.
[0029] Explanation of the labels in the diagram:
[0030] 1-Wheel body; 2-Wheel axle; 3-Sliding part; 31-Left component; 32-Right component; 33-Guide groove; 34-Second spring seat; 35-Insertion block; 36-Slot; 4-Wheel frame; 41-Connecting rod; 42-Connecting frame; 421-Guide hole; 422-Guide part; 423-First spring seat; 5-Shock-absorbing spring; 6-Bearing; 7-Abutting part. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0032] Example 1:
[0033] like Figures 1 to 4 As shown, this embodiment provides a wheel device with shock absorption function, including:
[0034] A wheel body 1, wherein an axle 2 is provided on the wheel body 1 and the wheel body 1 is rotatably connected to the axle 2, and sliding parts 3 are provided at both ends of the axle 2; and,
[0035] The wheel frame 4 has two connecting frames 42, which are located on the left and right sides of the wheel body 1, respectively. Each connecting frame 42 has a guide portion 422, and two sliding portions 3 are slidably disposed on the two guide portions 422 in the vertical direction. A shock-absorbing spring 5 is provided between the upper side of each sliding portion 3 and its corresponding connecting frame 42. The wheel frame 4 also has a connecting rod 41 for connecting to the vehicle body.
[0036] In some specific implementations, such as Figures 1 to 4 As shown, in order to facilitate the installation of the shock-absorbing spring 5, each of the guide parts 422 is provided with a guide hole 421. The sliding part 3 is slidably disposed in the guide hole 421 corresponding to it. Each of the shock-absorbing springs 5 is located between the upper side of the corresponding sliding part 3 and the top wall of the guide hole 421.
[0037] To prevent the shock-absorbing spring 5 from detaching from the connecting frame 42, a first spring seat 423 is provided on the top wall of the guide hole 421, and a second spring seat 34 is provided on the upper side of the sliding part 3. The spring is located between the corresponding first spring seat 423 and second spring seat 34. The first spring seat 423 and the second spring seat 34 facilitate the installation of the shock-absorbing spring 5 and can limit the shock-absorbing spring 5 to prevent it from detaching from the connecting frame 42.
[0038] Specifically, both the first spring seat 423 and the second spring seat 34 are protrusions, and the two ends of the spring are respectively sleeved on the two protrusions corresponding to them.
[0039] Alternatively, the first spring seat 423 and the second spring seat 34 can be configured such that both ends of the spring are located in the two corresponding grooves.
[0040] In some specific implementations, such as Figures 1 to 4 As shown, each sliding part 3 includes a left component 31 located on the left side of the corresponding connecting frame 42 and a right component 32 located on the right side of the corresponding connecting frame 42. The left component 31 and the right component 32 are fixedly connected, and the left component 31 and the right component 32 clamp the guide part 422 between them. This prevents the sliding part 3 from detaching from the connecting frame 42 axially, thus ensuring a stable connection between the sliding part 3 and the connecting frame 42.
[0041] The left component 31 and the right component 32 form two guide grooves 33, and the guide part 422 includes two guide rails located on the front and rear sides of the guide hole 421, respectively. The two guide grooves 33 are respectively clamped on the outer sides of the two guide rails.
[0042] For ease of assembly, the left component 31 and its corresponding right component 32 are interlocked. Specifically, the two sliding parts 3 are symmetrically arranged. A locking assembly is provided between the left component 31 and its corresponding right component 32. The locking assembly includes a plug 35 and a slot 36 that mates with the plug 35. The plug 35 and the slot 36 are respectively located on the left component 31 and the right component 32 on opposite sides. The wheel body 1 is rotatably connected to the wheel axle 2 via a bearing 6. After the wheel axle 2 passes through the two sliding parts 3 and the bearing 6, it is secured with a nut or similar fastener to prevent the wheel axle 2 from detaching. The side of the sliding part 3 closest to the adjacent bearing 6 abuts against the bearing 6, or a contact piece 7 fitted onto the wheel axle 2 is provided between the side of the sliding part 3 closest to the adjacent bearing 6 and the bearing 6.
[0043] Depending on the specific application scenario, the two sliding parts 3 can be configured to slide on the two guide parts 422 respectively along the inclined up-down direction, with the preferred inclination angle being between 5 and 30 degrees with the vertical direction; or, the two sliding parts 3 can slide on the two guide parts 422 respectively along the vertical up-down direction.
[0044] Example 2:
[0045] This embodiment provides a stroller, including a wheel device with shock absorption function as described in Embodiment 1. The stroller is any one of a wheelchair, camping vehicle, stroller, and electric scooter.
[0046] Working principle explanation:
[0047] When the cart is traveling and encounters uneven road surfaces, the wheel 1 can slide up and down relative to the guide part 422 via the sliding part 3. During this process, the shock-absorbing spring 5 plays a buffering and shock-absorbing role, which can effectively avoid the problem of up and down bumps.
[0048] This utility model is not limited to the above-mentioned optional embodiments. Under the premise of non-contradiction, the various solutions can be combined arbitrarily. Anyone can derive other forms of products under the guidance of this utility model. However, no matter what changes are made in their shape or structure, all technical solutions that fall within the scope of the claims of this utility model are within the protection scope of this utility model.
Claims
1. A wheel device with shock absorption function, characterized in that, include: A wheel body, wherein an axle is provided on the wheel body and the wheel body is rotatably connected to the axle, and sliding portions are provided at both ends of the axle; and, The wheel frame has two connecting frames, which are located on the left and right sides of the wheel body, respectively. Each connecting frame has a guide portion, and two sliding portions are slidably disposed on the two guide portions in the vertical direction. A shock-absorbing spring is provided between the upper side of each sliding portion and its corresponding connecting frame.
2. A wheel device with shock absorption function according to claim 1, characterized in that, Each of the guide parts is provided with a guide hole, and the sliding part is slidably disposed in the guide hole corresponding to it. Each of the shock-absorbing springs is located between the upper side of the corresponding sliding part and the top wall of the guide hole.
3. A wheel device with shock absorption function according to claim 2, characterized in that, A first spring seat is provided on the top wall of the guide hole, and a second spring seat is provided on the upper side of the sliding part. The spring is located between the corresponding first spring seat and second spring seat.
4. A wheel device with shock absorption function according to claim 3, characterized in that, Both the first spring seat and the second spring seat are protrusions, and the two ends of the spring are respectively sleeved on the two protrusions corresponding to them.
5. A wheel device with shock absorption function according to claim 3, characterized in that, Both the first spring seat and the second spring seat are grooves, and the two ends of the spring are respectively located in the two corresponding grooves.
6. A wheel device with shock absorption function according to claim 2, characterized in that, Each of the sliding portions includes a left member located on the left side of the corresponding connecting frame and a right member located on the right side of the corresponding connecting frame, the left member being fixedly connected to the right member, and the left member and the right member clamping the guide portion between them.
7. A wheel device with shock absorption function according to claim 6, characterized in that, Two guide grooves are formed between the left component and the right component. The guide portion includes two guide rails located on the front and rear sides of the guide hole, respectively. The two guide grooves are respectively clamped on the outer sides of the two guide rails.
8. A wheel device with shock absorption function according to claim 6, characterized in that, The left component and its corresponding right component are interlocked.
9. A wheel device with shock absorption function according to claim 1, characterized in that, Both sliding parts are slidably disposed on the two guide parts in an inclined up-down direction; or, both sliding parts are slidably disposed on the two guide parts in a vertical up-down direction.
10. A trolley, characterized in that, Includes a wheel device with shock absorption function as described in any one of claims 1 to 9, wherein the trolley is any one of a wheelchair, campervan, stroller, and electric scooter.