Damping wheel

By designing the inner and outer tire bodies and sealing the hollow openings, the problem of mud and sand entering and affecting the shock-absorbing wheel is solved, resulting in better shock absorption and durability.

CN224103792UActive Publication Date: 2026-04-10ZHONGSHAN KANGAROO CHILDRENS PRODUCTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The exposed openings of the hollow holes in the existing shock absorber wheel allow mud and sand to enter, affecting the shock absorption effect.

Method used

It adopts an inner tube and outer tube structure. The inner tube has a hollow hole, which is sealed by the outer tube. Both the inner tube and the outer tube are elastic components. The inner tube is arranged around the hub, and the outer tube seals the opening of the hollow hole to prevent mud and sand from entering.

Benefits of technology

It improves the elasticity and cushioning of the tire components, reduces the risk of mud and sand entering, and maintains good shock absorption and durability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224103792U_ABST
    Figure CN224103792U_ABST
Patent Text Reader

Abstract

The utility model discloses a damping wheel which comprises a hub and a tire assembly. The tire assembly is arranged on the peripheral side of the hub around the central axis of the hub and comprises an inner tire body and an outer tire body, the inner tire body and the outer tire body are elastic pieces, a plurality of hollow holes are formed in the inner tire body around the central axis of the hub, and the hollow holes are provided with hole openings in the outer surface of the inner tire body. The outer tire body is arranged on the outer side of the inner tire body and blocks the opening of the hollow hole. The inner tire body and the outer tire body of the tire assembly are elastic, the hollow hole is formed in the inner tire body, so that the elastic buffering capacity of the tire assembly can be improved to achieve the damping effect, and the outer tire body is arranged on the outer side of the inner tire body to block the opening of the hollow hole, so that silt on the ground can be prevented from entering the hollow hole; the risk that silt enters the damping wheels is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a wheel, in particular to a shock-absorbing wheel. BACKGROUND

[0002] Some of the trolley on the market, its wheel is shock-absorbing wheel, including wheel hub and tire body, tire body is elastic element, tire body is connected in the circumferential side of wheel hub around the central axis of wheel hub, and tire body is also provided with hollow hole, to improve the elastic buffering capacity of tire body, realize shock-absorbing effect. However, the tire body of this shock-absorbing wheel is usually exposed to the surface of tire body for the convenience of processing, so that the mud of ground may enter the hollow hole during the rolling of shock-absorbing wheel on the ground, which affects the shock-absorbing effect of shock-absorbing wheel. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a shock-absorbing wheel, which can reduce the risk of mud entering the shock-absorbing wheel.

[0004] According to the shock-absorbing wheel of the utility model embodiment, the tire assembly is arranged on the circumferential side of the hub around the central axis of the hub, and the tire assembly includes an inner tire body and an outer tire body, both of which are elastic elements, the inner tire body is arranged with a plurality of hollow holes around the central axis of the hub, and the hollow holes are provided with a hole on the outer surface of the inner tire body, and the outer tire body is arranged on the outer side of the inner tire body and blocks the hole of the hollow hole.

[0005] According to the shock-absorbing wheel of the utility model embodiment, the inner tire body and the outer tire body of the tire assembly are both elastic, the hollow hole is arranged on the inner tire body, so that the elastic buffering capacity of the tire assembly can be improved to realize the shock-absorbing effect, and the outer tire body is arranged on the outer side of the inner tire body to block the hole of the hollow hole, so that the mud of ground can be blocked from entering the hollow hole, and the risk of mud entering the shock-absorbing wheel is reduced.

[0006] According to some embodiments of the utility model, the hollow hole is arranged in the direction of the central axis of the hub.

[0007] According to some embodiments of the utility model, all the hollow holes are uniformly arranged around the central axis of the hub.

[0008] According to some embodiments of the utility model, the cross-sectional area of all the hollow holes is the same.

[0009] According to some embodiments of the utility model, the cross section of the hollow hole is hexagonal.

[0010] According to some embodiments of the present application, one diagonal line of the cross section of the hollow hole is arranged along the radial direction of the hub.

[0011] According to some embodiments of the present application, the hollow hole is a through hole or a blind hole.

[0012] According to some embodiments of the present application, the inner circumferential side of the outer tire body is provided with a receiving groove, the groove opening of the receiving groove faces the central axis of the hub, the inner tire body is embedded in the receiving groove, and the inner circumferential side of the outer tire body is connected with the hub.

[0013] According to some embodiments of the present application, the groove opening width of the receiving groove is less than the groove bottom width of the receiving groove.

[0014] According to some embodiments of the present application, the outer circumferential side of the hub is provided with a mounting groove, the tire assembly includes an embedded part and an exposed part in the outward direction of the radial direction of the hub, the embedded part is embedded in the mounting groove, the exposed part is located outside the mounting groove, the width of the exposed part is greater than the width of the mounting groove, and the groove opening periphery of the mounting groove abuts against the exposed part.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0017] Fig. 1 is a perspective view of a shock-absorbing wheel of an embodiment of the present application;

[0018] Fig. 2 is a perspective view of a shock-absorbing wheel of an embodiment of the present application when the outer tire body is removed;

[0019] Fig. 3 is a side view of an inner tire body of an embodiment of the present application;

[0020] Fig. 4 is a cross-sectional view of a shock-absorbing wheel of an embodiment of the present application.

[0021] REFERENCE NUMERALS:

[0022] Hub 100, mounting groove 110;

[0023] Tire assembly 200, embedded part 201, exposed part 202, inner tire body 210, hollow hole 211, outer tire body 220, receiving groove 221. DETAILED DESCRIPTION

[0024] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application.

[0025] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] In the description of the present application, the plural means more than two. If there is a description of first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the sequence of technical features indicated.

[0027] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0028] Some of the trolleys on the market have shock-absorbing wheels, including a hub and a tire body, the tire body is an elastic member, the tire body is connected to the outer circumferential side of the hub around the central axis of the hub, and the tire body also has a hollow hole to improve the elastic buffering capacity of the tire body and achieve the effect of shock absorption. However, in order to facilitate processing, the hole of the hollow hole is usually exposed on the surface of the tire body, so that the mud on the ground may enter the hollow hole during the rolling process of the shock-absorbing wheel on the ground, affecting the shock-absorbing effect of the shock-absorbing wheel.

[0029] Referring to Figs. 1 to 4 The shock-absorbing wheel of the present application comprises a hub 100 and a tire assembly 200. The tire assembly 200 is arranged on the outer circumferential side of the hub 100 around the central axis of the hub 100, and the tire assembly 200 comprises an inner tire body 210 and an outer tire body 220. The inner tire body 210 and the outer tire body 220 are both elastic members, the inner tire body 210 is arranged with a plurality of hollow holes 211 around the central axis of the hub 100, the hollow holes 211 are provided with a hole on the outer surface of the inner tire body 210, and the outer tire body 220 is arranged on the outer side of the inner tire body 210 and blocks the hole of the hollow hole 211.

[0030] The inner tire body 210 and the outer tire body 220 of the tire assembly 200 are both elastic, the hollow hole 211 is arranged on the inner tire body 210, so that the elastic buffering capacity of the tire assembly 200 can be improved to achieve the damping effect, and the outer tire body 220 is arranged outside the inner tire body 210 to block the hole of the hollow hole 211, so that the mud on the ground can be prevented from entering the hollow hole 211, and the risk of the mud entering the shock absorbing wheel is reduced.

[0031] In an embodiment, the hollow hole 211 is arranged in the direction of the central axis of the hub 100, so that the hole of the hollow hole 211 is located on both sides of the inner tire body 210 along the central axis of the hub 100, thereby reducing the risk of damage to the inner tire body 210 and improving the durability of the inner tire body 210; and the buffering performance of the inner tire body 210 is relatively obvious.

[0032] It can be imagined that in other embodiments, the hole axis of the hollow hole 211 can also be in other directions, for example, the hole axis of the hollow hole 211 is inclined relative to the central axis of the hub 100, and the like, which can be specifically selected by those skilled in the art according to actual needs.

[0033] In an embodiment, all the hollow holes 211 are uniformly arranged around the central axis of the hub 100, which is conducive to the relatively uniform buffering performance of the tire assembly 200 in all directions in the circumferential direction, so that the shock absorbing wheel is relatively stable during use, and the damping effect is relatively good.

[0034] In an embodiment, the cross-sectional areas of all the hollow holes 211 are the same, which is conducive to the relatively uniform buffering performance of the tire assembly 200 in all directions in the circumferential direction, so that the shock absorbing wheel is relatively stable during use, and the damping effect is relatively good.

[0035] It can be understood that in some embodiments, the cross-sectional areas of different hollow holes 211 can also be different, which can be specifically selected by those skilled in the art according to actual needs.

[0036] In an embodiment, the cross section of the hollow hole 211 is a hexagon. The hollow hole 211 with a hexagonal cross section forms a structure similar to a honeycomb hole, which has less effect on the structural strength of the tire assembly 200, and is conducive to maintaining the durability of the tire assembly 200.

[0037] It can be understood that in other embodiments, the hollow hole 211 can also have other cross-sectional shapes, such as a circular cross section, a rectangular cross section, or other polygonal cross sections, and the like, which are not limited herein.

[0038] In an embodiment, one diagonal of the cross section of the hollow hole 211 is arranged in the radial direction of the hub 100, which can more significantly improve the elastic buffering performance of the tire assembly 200 and improve the damping effect relative to other layout modes.

[0039] In some embodiments, the hollow hole 211 is a through hole, and both ends of the hollow hole 211 have a hole, that is, the outer tire body 220 blocks two holes of the hollow hole 211. When the hollow hole 211 is a through hole, the hollow hole 211 is easier to manufacture, and the buffering effect of the tire assembly 200 is more obvious when in use.

[0040] In other embodiments, the hollow hole 211 is a blind hole, and the hollow hole 211 has one hole, and the outer tire body 220 blocks one hole of the hollow hole 211. When the hollow hole 211 is a blind hole, it is beneficial to reduce the impact on the structural strength of the tire assembly 200 and improve durability.

[0041] In an embodiment, the inner periphery of the outer tire body 220 is provided with a receiving groove 221, and the groove opening of the receiving groove 221 faces the central axis of the hub 100. The inner tire body 210 is embedded in the receiving groove 221, and the inner periphery of the outer tire body 220 is connected to the hub 100. The inner tire body 210 is embedded in the receiving groove 221 of the outer tire body 220, and the tire assembly 200 is connected to the hub 100 through the outer tire body 220. During use of the shock absorbing wheel, the outer tire body 220 remains in contact with the ground and is not easily abraded, thereby reducing the risk of the inner tire body 210 being abraded and affecting the structural strength and buffering performance of the inner tire body 210, so that the shock absorbing wheel can maintain good buffering performance throughout the use cycle.

[0042] In an embodiment, the width of the groove opening of the receiving groove 221 is less than the width of the groove bottom of the receiving groove 221. Since the inner tire body 210 is embedded in the receiving groove 221 of the outer tire body 220, the inner tire body 210 is relatively tightly connected to the outer tire body 220, and the outer tire body 220 elastically clamps the inner tire body 210. The width of the groove opening of the receiving groove 221 is less than the width of the groove bottom of the receiving groove 221, so that the part of the inner tire body 210 close to the bottom of the receiving groove 221 is relatively wide, and the part of the inner tire body 210 close to the groove opening of the receiving groove 221 is relatively narrow. During use of the shock absorbing wheel, the inner tire body 210 is not easily separated from the outer tire body 220 under external extrusion force, that is, the inner tire body 210 is relatively tightly combined with the outer tire body 220, thereby reducing the risk of failure of the shock absorbing wheel.

[0043] In the embodiment, the outer circumferential side of the hub 100 is provided with a mounting groove 110, the tire assembly 200 comprises an embedded part 201 and an exposed part 202 in the outward direction of the radial direction of the hub 100, the embedded part 201 is embedded in the mounting groove 110, and the exposed part 202 is located outside the mounting groove 110. The width of the exposed part 202 is greater than the width of the mounting groove 110, and the groove edge of the mounting groove 110 is in abutment with the exposed part 202. The tire assembly 200 is embedded in the mounting groove 110 on the outer circumference of the hub 100 through the embedded part 201, so that the tire assembly 200 and the hub 100 can be stably mounted and positioned. In addition, since the width of the exposed part 202 of the tire assembly 200 is greater than the width of the mounting groove 110, and the groove edge of the mounting groove 110 is in abutment with the exposed part 202, the tire assembly 200 will not be excessively embedded in the accommodating groove 221 of the hub 100 when the shock-absorbing wheel is under pressure during use, so that the stability of the shock-absorbing wheel is better.

[0044] Specifically, the inner tire body 210 and the outer tire body 220 can be made of rubber to have better elasticity and friction coefficient.

[0045] During production, first, the inner tire body 210 and the outer tire body 220 are assembled and connected, then the tire assembly 200 is expanded and sleeved on the outer circumference of the hub 100, and then the tire assembly 200 is elastically contracted to be stably sleeved on the outer circumference of the hub 100, so that the assembly of the shock-absorbing wheel is completed.

[0046] Specifically, the hub 100 is a rigid member, which can be made of, for example, an alloy or a plastic with high strength.

[0047] Specifically, the outer surface of the outer tire body 220 can be provided with a friction pattern to improve the ground friction of the outer tire body 220 and reduce the risk of skidding of the shock-absorbing wheel.

[0048] Specifically, the shock-absorbing wheel of the embodiment can be preferably used in fields such as strollers that require strong shock absorption. Of course, other types of vehicle bodies can also use the shock-absorbing wheel of the present scheme, which is not limited herein.

[0049] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0050] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A shock absorbing wheel characterized by, The application relates to a hub (100) and a tire assembly (200) arranged on the outer periphery of the hub (100) and comprising an inner tire body (210) and an outer tire body (220). The hollow holes (211) are arranged along the central axis of the hub (100). All the hollow holes (211) are uniformly arranged around the central axis of the hub (100).

2. The shock absorbing wheel of claim 1, wherein: The cross-sectional area of all the hollow holes (211) is the same.

3. The shock absorbing wheel of claim 1, wherein: The cross section of the hollow hole (211) is hexagonal.

4. The shock absorbing wheel of claim 1, wherein: One diagonal line of the cross section of the hollow hole (211) is arranged along the radial direction of the hub (100).

5. The shock absorbing wheel of claim 1, wherein: The hollow hole (211) is a through hole or a blind hole.

6. The shock absorbing wheel of claim 5, wherein: The inner periphery of the outer tire body (220) is provided with a receiving groove (221), the groove opening of the receiving groove (221) faces the central axis of the hub (100), the inner tire body (210) is embedded in the receiving groove (221), and the inner periphery of the outer tire body (220) is connected with the hub (100).

7. The shock absorbing wheel of claim 1, wherein: The groove opening width of the receiving groove (221) is smaller than the groove bottom width of the receiving groove (221).

8. The shock absorbing wheel of claim 1, wherein: The outer periphery of the hub (100) is provided with a mounting groove (110), the tire assembly (200) comprises an embedded part (201) and an exposed part (202) in the outward direction of the radial direction of the hub (100), the embedded part (201) is embedded in the mounting groove (110), the exposed part (202) is located outside the mounting groove (110), the width of the exposed part (202) is greater than the width of the mounting groove (110), and the groove opening periphery of the mounting groove (110) is in abutment with the exposed part (202).

9. The shock absorbing wheel of claim 8, wherein: ​ 10. The shock absorbing wheel of claim 1, wherein: ​