Cart cover tyre convenient to replace

By designing structures such as wheel hubs, side plates, positioning rods, and nuts on the trolley tire, convenient disassembly and installation of the trolley tire are achieved, solving the problem of cumbersome tire replacement in existing technologies and improving maintenance efficiency.

CN223890722UActive Publication Date: 2026-02-10QINGDAO WANSHISHUN SPECIAL VEHICLE CO LTD
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Patent Information

Application Number
CN202520500340.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-02-10
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

In the existing technology, the outer tires of the trolley are not easy to change, requiring the use of special tools and complicated procedures, which affects the efficiency of maintenance.

Method used

A structure including a hub, side plate, positioning rod, nut, inner tube, outer tire body, anti-skid rubber strip, splicing plate, fixing rod and anti-detachment cap is designed, which allows the outer tire to be replaced by a simple rotation and disassembly operation, eliminating the reliance on disassembly tools.

Benefits of technology

It enables convenient disassembly and installation of the stroller tires, improves the convenience of maintenance and use, and meets the user's replacement needs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223890722U_ABST
    Figure CN223890722U_ABST
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Abstract

The utility model relates to the field of cart outer tires, and discloses a cart outer tire convenient to replace, which comprises a hub, a side plate is movably connected to one side of the hub, a positioning rod is fixedly connected to one side of the hub, a nut is movably connected to the outer wall of the positioning rod, an inner tire is movably connected to the outer wall of the hub, and the inner tire is fixedly connected to the hub. The outer wall of the inner tire is movably connected with an outer tire body, and the outer wall of the outer tire body is movably connected with an anti-skid rubber strip. According to the cart outer tire convenient to replace, through the arrangement of the outer tire body, the splice plates, the fixing rods and the anti-falling caps, the cart outer tire can have the effect of being convenient to replace, when the cart outer tire needs to be disassembled, assembled and replaced, a positioning reinforcing structure can be disassembled through simple rotating disassembly, and the cart outer tire is convenient to replace. Therefore, splicing and reinforcing of the outer tire of the cart are relieved, people can disassemble and replace the outer tire of the cart on the premise of not using a disassembling tool, the convenience of maintenance and use is improved, and the use requirements of people are met.
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Description

Technical Field

[0001] This utility model relates to the field of stroller tires, specifically a stroller tire that facilitates tire replacement. Background Technology

[0002] A trolley is a human-powered transport vehicle, the ancestor of all vehicles. Trolleys can be classified in several ways; based on the number of wheels, they can be divided into one-wheeled trolleys, two-wheeled trolleys, three-wheeled trolleys, and four-wheeled trolleys. Different types of trolleys are suitable for different transport scenarios and needs. The outer tire refers to the annular outer shell of an inflatable tire; its function is to bear the vehicle's load, prevent the inner tube from bulging after inflation, limit the tire's outer edge size, and protect the inner tube from mechanical damage. The tread pattern on the outer tire is to increase friction with the ground.

[0003] The existing technology has the following problems:

[0004] In the existing technology, the outer tires of the trolley are not easy to replace. When replacing the outer tires of the trolley, special tools are required for disassembly and installation, which is a relatively complicated process and requires a certain level of proficiency from the user, which greatly reduces the work efficiency of maintenance personnel. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a stroller tire that is easy to replace, which has advantages such as ease of replacement and solves the problems mentioned in the background technology.

[0007] (II) Technical Solution

[0008] To achieve the aforementioned purpose of easy replacement, this utility model provides the following technical solution: a stroller tire for easy tire replacement, comprising a hub, a side plate movably connected to one side of the hub, a positioning rod fixedly connected to one side of the hub, a nut movably connected to the outer wall of the positioning rod, an inner tube movably connected to the outer wall of the hub, an outer tire body movably connected to the outer wall of the inner tube, and an anti-slip rubber strip movably connected to the outer wall of the outer tire body.

[0009] The inner wall of the anti-slip rubber strip is fixedly connected with a locking block, a splicing plate is movably connected to one side of the outer tire body, and a fixing rod is fixedly connected to one side of the outer tire body. One end of the fixing rod is detachably equipped with an anti-detachment cap, which makes the trolley outer tire easy to replace. When it is necessary to disassemble and replace the trolley outer tire, the positioning and reinforcing structure can be disassembled by simple rotation, thereby releasing the splicing and reinforcement of the trolley outer tire. This allows people to disassemble, replace, and install the trolley outer tire without the aid of disassembly tools, improving the convenience of maintenance and use, and meeting people's usage needs.

[0010] Preferably, the inner wall of the anti-slip cap is provided with an installation groove, and the fixing rod is movably connected to the anti-slip cap through the installation groove. The installation groove allows the anti-slip cap to be quickly installed and removed from the fixing rod by rotation, thereby completing the fastening and disassembly of the splicing plate.

[0011] Preferably, the front of the splicing plate has a through hole, and the splicing plate is movably connected to the fixing rod through the through hole. The through hole allows the fixing rod to pass through the splicing plate and the anti-detachment cap for installation, and the through hole, together with the fixing rod, can provide positioning for the splicing plate.

[0012] Preferably, the inner wall of the nut is provided with a threaded groove, and the positioning rod is movably connected to the nut through the threaded groove. The threaded groove makes the nut easy and quick to install and remove, and in turn provides a fastening effect for the positioning rod.

[0013] Preferably, the outer wall of the tire body is provided with a slot, and the shape and size of the slot match the shape and size of the locking block. The locking block, in conjunction with the slot, can quickly install and remove the anti-slip strip onto the surface of the tire body, so that the anti-slip strip can be quickly installed and removed and replaced when it cracks or breaks after long-term use.

[0014] Preferably, there are two anti-slip strips, and the two anti-slip strips are symmetrically arranged with the horizontal center line of the wheel hub as the axis of symmetry. The two anti-slip strips can provide sufficient protection for the surface of the tire body and provide anti-slip properties to improve the safety of the stroller when moving.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a stroller tire that is easy to change, and has the following beneficial effects:

[0017] This conveniently replaceable trolley tire, with its tire body, splicing plate, fixing rod, and anti-detachment cap, makes it easy to replace. When the trolley tire needs to be disassembled and replaced, the positioning and reinforcing structure can be removed by simple rotation, thereby releasing the splicing and reinforcement of the trolley tire. This allows people to disassemble, replace, and install the trolley tire without the need for disassembly tools, improving the convenience of maintenance and use, and meeting people's needs. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a side sectional view of the present invention;

[0020] Figure 3 This is a cross-sectional view of the present invention;

[0021] Figure 4 This is a schematic diagram showing the connection between the outer tire body and the splicing plate structure of this utility model.

[0022] In the picture: 1. Wheel hub; 2. Side plate; 3. Positioning rod; 4. Nut; 5. Inner tube; 6. Outer tire body; 7. Anti-slip strip; 8. Locking block; 9. Locking groove; 10. Splicing plate; 11. Fixing rod; 12. Anti-slip cap. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] A preferred embodiment of the stroller tire for easy tire replacement provided by this utility model is, for example... Figures 1 to 4 As shown: A stroller tire that facilitates tire replacement includes a hub 1, a side plate 2 movably connected to one side of the hub 1, a positioning rod 3 fixedly connected to one side of the hub 1, a nut 4 movably connected to the outer wall of the positioning rod 3, an inner tube 5 movably connected to the outer wall of the hub 1, an outer tire body 6 movably connected to the outer wall of the inner tube 5, and an anti-slip rubber strip 7 movably connected to the outer wall of the outer tire body 6.

[0026] The inner wall of the anti-slip strip 7 is fixedly connected with a locking block 8, and a splicing plate 10 is movably connected to one side of the outer tire body 6. A fixing rod 11 is fixedly connected to one side of the outer tire body 6, and an anti-detachment cap 12 is detachably attached to one end of the fixing rod 11. This allows the trolley outer tire to be easily replaced. When the trolley outer tire needs to be disassembled and replaced, the positioning and reinforcing structure can be disassembled by simple rotation, thereby releasing the splicing and reinforcing of the trolley outer tire. This allows people to disassemble, replace, and install the trolley outer tire without the aid of disassembly tools, improving the convenience of maintenance and use, and meeting people's usage needs.

[0027] In this embodiment, the inner wall of the anti-detachment cap 12 is provided with an installation groove, and the fixing rod 11 is movably connected to the anti-detachment cap 12 through the installation groove. The installation groove allows the anti-detachment cap 12 to be quickly installed and removed from the fixing rod 11 by rotation, thereby completing the fastening and disassembly of the splicing plate 10.

[0028] In this embodiment, a through hole is provided on the front side of the splicing plate 10, and the splicing plate 10 is movably connected to the fixing rod 11 through the through hole. The through hole allows the fixing rod 11 to pass through the splicing plate 10 and the anti-detachment cap 12 for installation, and the through hole, together with the fixing rod 11, can provide positioning for the splicing plate 10.

[0029] Example 2

[0030] Based on Embodiment 1, a preferred embodiment of the stroller tire for easy tire replacement provided by this utility model is, for example... Figures 1 to 4 As shown: The inner wall of the nut 4 is provided with a threaded groove, and the positioning rod 3 is movably connected to the nut 4 through the threaded groove. The threaded groove makes it extremely convenient and quick to disassemble and assemble the nut 4, and in turn provides a fastening effect for the positioning rod 3.

[0031] In this embodiment, the outer wall of the tire body 6 is provided with a slot 9, and the shape and size of the slot 9 are matched with the shape and size of the block 8. The block 8, in conjunction with the slot 9, can quickly install and remove the anti-slip strip 7 onto the surface of the tire body 6, so that the anti-slip strip 7 can be quickly installed and removed when it cracks or breaks after long-term use.

[0032] Furthermore, there are two anti-slip strips 7, and the two anti-slip strips 7 are symmetrically arranged with the horizontal center line of the wheel hub 1 as the axis of symmetry. The two anti-slip strips 7 can provide sufficient protection for the surface of the outer tire body 6, and can provide anti-slip properties to improve the safety of the stroller when moving.

[0033] When it is necessary to disassemble and replace the outer tire body 6 during use, the anti-slip cap 12 can be removed from the fixing rod 11 by rotation. Then, the splicing plate 10 can be removed from one side of the outer tire body 6. Then, the upper and lower parts of the outer tire body 6 can be separated and removed from the outside of the rim 1 and the inner tube 5. The anti-skid rubber strip 7 can be removed from the outer tire body 6 by the locking block 8 and the locking groove 9, so as to replace the anti-skid rubber strip 7. The nut 4 can be removed to release the fastening of the positioning rod 3, so that the side plate 2 can be removed from the rim 1. This makes it convenient for the inner tube 5 to be quickly removed from the rim 1 when it is fully inflated.

[0034] In summary, this conveniently replaceable trolley tire achieves the goal of easy replacement. When it is necessary to disassemble and replace the trolley tire, the positioning and reinforcing structure can be disassembled by simple rotation, thereby releasing the splicing and reinforcement of the trolley tire. This allows people to disassemble, replace, and install the trolley tire without the aid of disassembly tools, improving the convenience of maintenance and use, and meeting people's usage needs.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stroller tire that facilitates tire replacement, comprising a rim (1), characterized in that: A side plate (2) is movably connected to one side of the hub (1), a positioning rod (3) is fixedly connected to one side of the hub (1), a nut (4) is movably connected to the outer wall of the positioning rod (3), an inner tube (5) is movably connected to the outer wall of the hub (1), an outer tire body (6) is movably connected to the outer wall of the inner tube (5), and an anti-slip rubber strip (7) is movably connected to the outer wall of the outer tire body (6). The inner wall of the anti-slip strip (7) is fixedly connected with a locking block (8), a splicing plate (10) is movably connected to one side of the outer tire body (6), a fixing rod (11) is fixedly connected to one side of the outer tire body (6), and an anti-slip cap (12) is detachably attached to one end of the fixing rod (11).

2. The stroller tire for easy tire replacement according to claim 1, characterized in that: The inner wall of the anti-slip cap (12) is provided with an installation groove, and the fixing rod (11) is movably connected to the anti-slip cap (12) through the installation groove.

3. A stroller tire for easy tire replacement according to claim 1, characterized in that: The splicing plate (10) has a through hole on its front side, and the splicing plate (10) is movably connected to the fixing rod (11) through the through hole.

4. A stroller tire for easy tire replacement according to claim 1, characterized in that: The inner wall of the nut (4) is provided with a threaded groove, and the positioning rod (3) is movably connected to the nut (4) through the threaded groove.

5. A stroller tire for easy tire replacement according to claim 1, characterized in that: The outer wall of the outer tire body (6) is provided with a slot (9), and the shape and size of the slot (9) match the shape and size of the card block (8).

6. A stroller tire for easy tire replacement according to claim 1, characterized in that: The number of anti-slip rubber strips (7) is two, and the two anti-slip rubber strips (7) are symmetrically arranged with the horizontal center line of the wheel hub (1) as the axis of symmetry.