Inflation-free baby carriage tire containing elastic body

By designing a built-in telescopic mechanism in the tires of the inflatable-free children's car, the problem that the existing tire replacement process of the inflatable-free children's car is solved, and a more convenient disassembly and replacement process is achieved, reducing the difficulty of maintenance for users.

CN222905225UActive Publication Date: 2025-05-27PINGHU INNOVATIVE POLYMER MATERIAL CO LTD
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Patent Information

Application Number
CN202422011804.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-05-27
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

The existing inflatable-free car tire replacement process requires specific tools or skills, which makes the disassembly, maintenance and replacement process inconvenient and increases the difficulty of maintenance for users.

Method used

A non-inflatable car tire containing an elastic body is designed, with a built-in telescopic mechanism, which is composed of spokes, fixed rods, circular plates, slide grooves and sliders, etc. A telescopic mechanism is set on the inner side of the wheel hub, and the handle is turned to slide the sliders and telescopic blocks in the direction of the non-inflatable tire, so that they can be stretched open and removed easily.

Benefits of technology

By setting up a telescopic mechanism, the disassembly and replacement of pneumatic tires is simplified, the need to use specific tools or skills is avoided, and the difficulty of maintenance for users is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of inflation-free baby carriage tires, in particular to an elastomer-containing inflation-free baby carriage tire, which comprises an inflation-free tire, a hub is movably connected in the inflation-free tire, and a telescopic mechanism is arranged on the inner side of the hub. The telescopic mechanism is composed of spokes, fixing rods, a rear circular plate, a middle circular plate, a front circular plate, a wide sliding groove, a thin sliding groove, a sliding rod, a fixed sliding rail, a sliding strip, a telescopic block, a handle and a center hole, the middle circular plate is arranged in the middle of the interior of the hub, the front circular plate is arranged on the front side of the middle circular plate, and the three fixing rods are connected to the position, close to the edge, of the rear end of the front circular plate at equal intervals; three wide sliding grooves are formed in the positions, close to the edge, of the front side of the middle circular plate at equal intervals, the wide sliding grooves are slidably connected with the fixing rods, and three thin sliding grooves are formed in the positions, located in the middles of the wide sliding grooves, of the middle circular plate. The telescopic mechanism is arranged, the middle circular plate rotates to drive the sliding strip and the telescopic block to slide, the inflation-free tire is opened and taken down conveniently, and the problem that the disassembly, maintenance and replacement processes are inconvenient is solved.
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Description

Technical Field

[0001] The utility model relates to the field of non-inflatable baby carriage tires, in particular to a non-inflatable baby carriage tire containing an elastomer. Background Art

[0002] Common non-inflatable baby carriage tire technologies are usually based on the design of solid or semi-solid elastomer materials, aiming to provide a solution that does not require inflation and is not prone to bursting. Such tires use various composite materials, such as polyurethane, EVA foam, rubber composites, etc., to achieve certain elasticity and shock absorption effects.

[0003] When common non-inflatable baby carriage tires need to be replaced, their convenience may be inferior to that of inflatable tires. Due to the special structure and materials of non-inflatable tires, the replacement process may require specific tools or skills, resulting in inconvenient disassembly, maintenance, and replacement processes, increasing the maintenance difficulty for users.

[0004] Therefore, aiming at the problem that the above replacement process may require specific tools or skills, resulting in inconvenient disassembly, maintenance, and replacement processes, a non-inflatable baby carriage tire containing an elastomer can be designed. An expansion and contraction mechanism is used to assist in removing the tire, avoiding the problem of inconvenient disassembly, maintenance, and replacement processes. Summary of the Utility Model

[0005] In order to overcome the problem that the disassembly, maintenance, and replacement processes require specific tools or skills, increasing the maintenance difficulty for users.

[0006] The technical solution of the utility model is as follows: A non-inflatable baby carriage tire containing an elastomer includes a non-inflatable tire. A hub is movably connected inside the non-inflatable tire. An expansion and contraction mechanism is arranged inside the hub. The expansion and contraction mechanism is composed of spokes, fixed rods, rear circular plates, middle circular plates, front circular plates, wide chutes, narrow chutes, sliding rods, fixed slide rails, slide bars, expansion and contraction blocks, handles, and central holes. A middle circular plate is arranged in the middle inside the hub. A front circular plate is arranged on the front side of the middle circular plate. Three fixed rods are equally spaced and connected to the rear end of the front circular plate near the edge. Three wide chutes are equally spaced and opened on the front side of the middle circular plate near the edge. The wide chutes are slidably connected to the fixed rods. Three narrow chutes are opened at the middle positions of the wide chutes on the middle circular plate. The wide chutes and the narrow chutes are arc-shaped. Three fixed slide rails are connected to the rear side of the front circular plate near the central opening position. A slide bar is slidably connected to the inner sides of the three fixed slide rails. A sliding rod is connected to the middle position near the rear side of the slide bar. The sliding rod is slidably connected to the narrow chutes.

[0007] Preferably, by arranging the expansion and contraction mechanism, when the non-inflatable tire needs to be removed, the circular plate rotates to drive the slide bar to slide towards the non-inflatable tire, expanding the non-inflatable tire to facilitate removal, solving the problem that the replacement process may require specific tools or skills, resulting in inconvenient disassembly, maintenance, and replacement processes.

[0008] Preferably, eight spokes are connected to the inner side of the front end of the hub at equal intervals, the eight spokes are connected to each other, a center hole is opened at the connection of the eight spokes, the spoke supports connect the hub and the center hole, and the center hole connects the hub and the stroller.

[0009] Preferably, a rear circular plate is provided on the front side of the spoke, the middle circular plate is located on the front side of the rear circular plate, and the telescopic mechanism is fixed to the front side of the spoke via a fixing rod.

[0010] Preferably, the rear end of the fixing rod passes through the rear circular plate, the middle circular plate and the front side of the spokes, and the fixing rod is connected to the front circular plate and the rear circular plate to fix them on the spokes.

[0011] Preferably, three telescopic blocks are movably connected to the outer side of the wheel hub at equal intervals, and the three telescopic blocks match the wheel hub. When the slide bar telescopes and slides outward, the telescopic blocks also slide outward.

[0012] Preferably, the telescopic block is connected to the end of the slide bar away from the center hole, and a handle is connected to the right end of the front side of the middle circular plate. The middle circular plate can be rotated by the handle to drive the slide bar to slide and realize the telescopic operation.

[0013] Preferably, the buffer mechanism consists of a buffer groove, a protective pad and stripes. Buffer grooves are arranged at equal intervals near the center of the air-free tire. Protective pads are connected to the front and rear sides of the air-free tire. The air-free tire is movably connected to the wheel hub. The buffer grooves play a role in buffering and shock absorption. The protective pads protect the buffer grooves from being exposed to the outside. Stripes are arranged on the outside of the air-free tire.

[0014] Beneficial effects of the utility model:

[0015] 1. By setting up a telescopic mechanism, when the airless tire needs to be removed, the handle is turned to rotate the middle circular plate, driving the slide bar and the telescopic block to slide in the direction of the airless tire, and the airless tire is stretched out for easy removal, which solves the problem that the replacement process may require specific tools or skills, making the disassembly, maintenance and replacement process inconvenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a schematic diagram of the three-dimensional structure of an airless baby carriage tire including an elastic body according to the utility model;

[0017] Figure 2 Shown is a schematic diagram of a three-dimensional spoke structure of an airless baby carriage tire containing an elastomer according to the utility model;

[0018] Figure 3 Shown is a schematic diagram of a three-dimensional rear circular plate structure of an airless baby carriage tire including an elastic body according to the present invention;

[0019] Figure 4 Shown is a schematic diagram of a three-dimensional middle circular plate structure of an airless baby carriage tire containing an elastic body according to the present invention;

[0020] Figure 5 Shown is a schematic diagram of the structure of a three-dimensional front circular plate of an airless baby carriage tire including an elastomer according to the utility model.

[0021] Explanation of the reference numerals: 1. airless tire; 2. wheel hub; 31. spokes; 32. fixing rod; 33. rear round plate; 34. middle round plate; 35. front round plate; 36. wide slide groove; 37. thin slide groove; 38. slide rod; 39. fixed slide rail; 310. slide bar; 311. telescopic block; 312. handle; 313. center hole; 41. buffer groove; 42. protection pad; 43. stripes. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figures 1 - 5 The utility model provides an embodiment: an air-free tire for a baby carriage containing an elastomer, comprising an air-free tire 1 and, the air-free tire 1 is movably connected with a wheel hub 2 inside, a telescopic mechanism is arranged on the inner side of the wheel hub 2, the telescopic mechanism is composed of spokes 31, a fixing rod 32, a rear circular plate 33, a middle circular plate 34, a front circular plate 35, a wide slide groove 36, a thin slide groove 37, a slide rod 38, a fixing slide rail 39, a slide bar 310, a telescopic block 311, a handle 312 and a center hole 313, a middle circular plate 34 is arranged in the middle of the wheel hub 2, a front circular plate 35 is arranged on the front side of the middle circular plate 34, three fixing rods 32 are connected with equal intervals near the edge position at the rear end of the front circular plate 35, and three wide slide grooves 36 are arranged on the front side of the middle circular plate 34 near the edge position at equal intervals. The wide slide groove 36 is slidably connected to the fixed rod 32, and the middle circular plate 34 is provided with three thin slide grooves 37 in the middle position of the wide slide groove 36. The wide slide groove 36 is in an arc shape with the thin slide groove 37. The rear side of the front circular plate 35 is connected with three fixed slide rails 39 near the central opening position, and the inner sides of the three fixed slide rails 39 are slidably connected with a slide bar 310, and the rear side of the slide bar 310 is connected with a slide bar 38 near the middle position, and the slide bar 38 is slidably connected with the thin slide groove 37. By setting a telescopic mechanism, when it is necessary to remove the airless tire 1, the circular plate rotates to drive the slide bar 310 to slide in the direction of the airless tire 1, and the airless tire 1 is stretched out for easy removal, which solves the problem that the replacement process may require specific tools or skills, making the disassembly, maintenance and replacement process inconvenient.

[0024] See also Figures 1 - 5, in this embodiment, eight spokes 31 are connected at equal intervals to the inner side of the front end of the wheel hub 2. The eight spokes 31 are interconnected, and a central hole 313 is provided at the connection of the eight spokes 31. The spokes 31 support and connect the wheel hub 2 and the central hole 313. The central hole 313 connects the wheel hub 2 and the baby carriage. A rear circular plate 33 is arranged on the front side of the spoke 31. The middle circular plate 34 is located on the front side of the rear circular plate 33. The telescopic mechanism is fixed to the front side of the spoke 31 through a fixing rod 32. The rear end of the fixing rod 32 passes through the rear circular plate 33, the middle circular plate 34 and the front side of the spoke 31 and is connected. The fixing rod 32 is connected to the front circular plate 35 and the rear circular plate 33 and is fixed on the spoke 31. Three telescopic blocks 311 are movably connected to the outer side of the wheel hub 2 at equal intervals. The three telescopic blocks 311 match the wheel hub 2. When the slide bar 310 slides outwards telescopically, the telescopic block 311 also slides outwards. The telescopic block 311 is connected to the end of the slide bar 310 far from the central hole 313. A handle 312 is connected to the right end of the front side of the middle circular plate 34. Through the handle 312, the middle circular plate 34 can be rotated to drive the slide bar 310 to slide, realizing the telescopic operation.

[0025] Please refer to Figures 1 - 2 , in this embodiment, the buffer mechanism is composed of a buffer groove 41, a protective pad 42 and stripes 43. A number of buffer grooves 41 are provided at equal intervals near the central position inside the non-pneumatic tire 1. Protective pads 42 are connected to both the front and rear sides of the non-pneumatic tire 1. The non-pneumatic tire 1 is movably connected to the wheel hub 2. The buffer grooves 41 play a role in buffering and shock absorption. The protective pads 42 protect the buffer grooves 41 from being exposed outside. Stripes 43 are provided on the outer side of the non-pneumatic tire 1.

[0026] When working, when the non-pneumatic tire 1 needs to be removed, rotate the handle 312 to rotate the middle circular plate 34, drive the slide rod 38 to slide in the thin slide groove 37, drive the slide bar 310 to slide in the fixed slide rail 39 by the slide rod 38. At the same time, the slide bar 310 drives the telescopic block 311 to move towards the non-pneumatic tire 1 and push it out and expand it, facilitating its removal from the wheel hub 2. When the non-pneumatic tire 1 is running, the buffer grooves 41 play a role in buffering and shock absorption. At the same time, the protective pads 42 protect the buffer grooves 41 and the edge of the wheel hub 2 from being exposed outside, reducing damage.

[0027] Through the above steps, by setting the telescopic mechanism, when the non-pneumatic tire 1 needs to be removed, rotate the handle 312 to rotate the middle circular plate 34, drive the slide bar 310 and the telescopic block 311 to slide towards the non-pneumatic tire 1, and expand the non-pneumatic tire 1 for easy removal, so as to solve the problem that specific tools or skills may be required during the replacement process, resulting in inconvenient disassembly, maintenance and replacement processes.

Claims

1. An air-free tire for a baby carriage comprising an elastomer, comprising an air-free tire (1); characterized in that: The invention also comprises a telescopic mechanism, wherein the wheel hub (2) is movably connected inside the air-free tire (1), and the telescopic mechanism is arranged on the inner side of the wheel hub (2), and the telescopic mechanism is composed of spokes (31), a fixing rod (32), a rear circular plate (33), a middle circular plate (34), a front circular plate (35), a wide slide groove (36), a thin slide groove (37), a sliding rod (38), a fixing slide rail (39), a sliding bar (310), a telescopic block (311), a handle (312) and a center hole (313), wherein the middle circular plate (34) is arranged in the middle of the wheel hub (2), the front circular plate (35) is arranged on the front side of the middle circular plate (34), and the rear end of the front circular plate (35) is connected to the wheel hub (2) at equal intervals near the edge. Three fixed rods (32) are connected, three wide slide grooves (36) are opened at equal intervals near the edge of the front end of the middle circular plate (34), the wide slide grooves (36) are slidably connected to the fixed rods (32), three thin slide grooves (37) are opened in the middle of the wide slide grooves (36) on the middle circular plate (34), the wide slide grooves (36) and the thin slide grooves (37) are in an arc shape, three fixed slide rails (39) are connected to the rear side of the front circular plate (35) near the central opening, the inner sides of the three fixed slide rails (39) are slidably connected to a slide bar (310), a slide bar (38) is connected to the rear side of the slide bar (310) near the middle position, and the slide bar (38) is slidably connected to the thin slide groove (37).

2. The airless tire for a baby carriage comprising an elastomer according to claim 1, characterized in that: Eight spokes (31) are connected at equal intervals on the inner side of the front end of the hub (2); the eight spokes (31) are connected to each other, and a central hole (313) is provided at the connection between the eight spokes (31).

3. The airless tire for a baby carriage comprising an elastomer according to claim 2, characterized in that: A rear circular plate (33) is arranged on the front side of the spoke (31), and the middle circular plate (34) is located on the front side of the rear circular plate (33).

4. The airless tire for a baby carriage comprising an elastomer according to claim 3, characterized in that: The rear end of the fixing rod (32) passes through the rear circular plate (33), the middle circular plate (34) and the front side of the spoke (31) for connection.

5. The airless tire for a baby carriage comprising an elastomer according to claim 4, characterized in that: The outer side of the wheel hub (2) is movably connected with three telescopic blocks (311) at equal intervals, and the three telescopic blocks (311) and the wheel hub (2) are matched with each other.

6. The airless tire for a baby carriage comprising an elastomer according to claim 5, characterized in that: The telescopic block (311) is connected to one end of the slide bar (310) away from the central hole (313), and the right end of the front side of the middle circular plate (34) is connected to a handle (312).

7. The airless tire for a baby carriage comprising an elastomer according to claim 1, characterized in that: The buffer mechanism consists of a buffer groove (41), a protection pad (42) and stripes (43); the buffer grooves (41) are arranged at equal intervals near the center of the air-free tire (1); the front and rear sides of the air-free tire (1) are connected with the protection pad (42); and the outer side of the air-free tire (1) is provided with stripes (43).