Rotating structure and caster

Abstract

This utility model provides a rotating structure and caster, including a rotating rod and two symmetrically designed rotating wheels. Each rotating wheel has multiple center-aligned bearing grooves, and at least one bearing groove on each rotating wheel houses a rotating bearing. The two rotating wheels are respectively mounted to both ends of the rotating rod via corresponding rotating bearings. This utility model can meet the requirements of higher load-bearing capacity and cost control for casters.

Description

Technical Field

[0001] This utility model relates to the field of mobile caster technology, and in particular to a rotating structure and caster. Background Technology

[0002] Casters are widely used in industries such as medical care, manufacturing workshops, and transportation. The performance of the caster's rotating structure directly affects the product's load-bearing capacity, smoothness of rotation, service life, and cost-effectiveness.

[0003] One type of rotating structure design achieves rotation by attaching two rotating wheels to both sides of a rotating rod. While this design is simple, it suffers from limited load-bearing capacity, making it unsuitable for high-load applications. Increasing the contact area between the rotating rod and the rotating wheels directly would increase the cost of the casters. Therefore, the market urgently needs a rotating structure design that balances load-bearing capacity and cost. Utility Model Content

[0004] To address the aforementioned problems in the prior art, this utility model provides a rotating structure and caster that can meet the requirements of higher load-bearing capacity and cost control for casters.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] In the first aspect, the present invention provides a rotating structure, including a rotating rod and two symmetrically designed rotating wheels. Each rotating wheel is provided with multiple bearing grooves aligned at the center, and at least one rotating bearing is installed in at least one bearing groove on each rotating wheel.

[0007] Two rotating wheels are respectively mounted on both ends of the rotating rod via corresponding rotating bearings.

[0008] The beneficial effects of this utility model are as follows: multiple bearing grooves with center alignment are provided on the rotating wheel, and a rotating bearing is installed in at least one bearing groove on each rotating wheel. When a set of rotating bearings is symmetrically installed on the rotating wheel, cost control can be achieved in low-load scenarios. When multiple sets of rotating bearings are symmetrically installed on the rotating wheel, the needs of the caster in high-load scenarios can be met, thereby satisfying the caster's higher load-bearing requirements and cost control requirements.

[0009] Optionally, each rotating wheel has two bearing slots.

[0010] Optionally, each rotating wheel has two bearing slots on which a rotating bearing is installed.

[0011] Optionally, the multiple bearing grooves on each rotating wheel are stepped.

[0012] Optionally, the diameter of the multiple rotating grooves on each rotating wheel gradually decreases along a direction away from the radial center of the rotating rod.

[0013] Optionally, it also includes a mainboard, on which the rotating rod is fixed, and the mainboard is used to support the control components of the caster.

[0014] Optionally, the motherboard is a metal component.

[0015] As described above, metal components are used to further improve the load-bearing capacity of casters.

[0016] Optionally, the motherboard is provided with a fixing hole, through which the rotating rod passes.

[0017] Secondly, this utility model provides a caster, including the rotating structure of the first aspect.

[0018] Optionally, it also includes a control component, which is mounted on the main board of the rotating structure and the main board is a metal component.

[0019] The technical effect of the caster provided in the second aspect refers to the relevant description of the rotating structure provided in the first aspect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a caster according to an embodiment of the present utility model;

[0021] Figure 2 This is a partial schematic diagram of a caster according to an embodiment of the present utility model;

[0022] Figure 3 for Figure 2 A schematic diagram of the structure after removing the rotating rod and rotating wheel;

[0023] Figure 4 This is a schematic diagram of the structure of the rotating wheel according to an embodiment of the present utility model after removing one rotating bearing;

[0024] Figure 5 for Figure 4 A schematic diagram of the structure after removing the other rotating bearing.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Rotating rod;

[0027] 2. Rotating wheel; 21. Bearing groove; 22. Rotating bearing;

[0028] 3. Mainboard; 31. Mounting holes;

[0029] 4. Control components;

[0030] 100. Casters. Detailed Implementation

[0031] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and that the scope of the present invention can be fully conveyed to those skilled in the art.

[0032] Example 1

[0033] Please refer to Figures 1 to 5 This utility model provides a rotating structure, which is applied to a caster 100. This embodiment will be described after the rotating structure is installed on the caster 100.

[0034] like Figure 2 As shown, this embodiment includes a rotating rod 1 and two symmetrically designed rotating wheels 2. Each rotating wheel 2 has two centrally aligned bearing grooves 21, and each rotating wheel 2 has a rotating bearing 22 installed in each of the two bearing grooves 21. The two rotating wheels 2 are respectively mounted to both ends of the rotating rod 1 through the corresponding rotating bearings 22. Thus, in this embodiment, the two rotating bearings 22 on the rotating wheels 2 jointly support the rotating rod 1, thereby giving the caster 100 of this embodiment a higher load-bearing capacity.

[0035] In other embodiments, only one of the two bearing slots 21 on each rotating wheel 2 is equipped with a rotating bearing 22, which can achieve cost control of the caster 100 in low-load scenarios.

[0036] In other embodiments, depending on the load-bearing capacity requirements and the internal space design of the caster 100, each rotating wheel 2 is provided with three, four, or even more bearing grooves 21 aligned at the center. At least one bearing groove 21 on each rotating wheel 2 contains a rotating bearing 22. It should be noted that the rotating wheels 2 in this application are symmetrically designed. Therefore, if one rotating wheel 2 has only one bearing groove 21 containing a rotating bearing 22, the other rotating wheel 2 will also have only one bearing groove 21 containing a rotating bearing 22; that is, the rotating bearings 22 in the two rotating wheels 2 are also symmetrically designed.

[0037] Combination Figure 4 and Figure 5As can be seen, in this embodiment, the multiple bearing grooves 21 on each rotating wheel 2 are stepped, and the diameter of the multiple rotating grooves on each rotating wheel 2 gradually decreases along the direction away from the radial center of the rotating rod 1. It can be understood that the closer to the radial center, i.e. the length center, of the rotating rod 1, the larger the rotating groove, and the larger the corresponding rotating bearing 22, thereby ensuring the uniform distribution of the load-bearing capacity.

[0038] Example 2

[0039] Please refer to Figures 1 to 5 This utility model provides a rotating structure. Based on the above embodiment one, this embodiment also includes a main board 3. The rotating rod 1 is fixed on the main board 3, and the main board 3 is used to support the control component 4 of the caster 100.

[0040] In this embodiment, the motherboard 3 is a metal component. For example... Figure 3 As shown, the main board 3 has a fixing hole 31, through which the rotating rod 1 passes, thus attaching the rotating rod 1 to the main board 3. Therefore, the rotating rod 1 and the metal parts support the main frame bearing surface, ensuring that the entire caster 100 has higher load-bearing capacity.

[0041] Example 3

[0042] Please refer to Figures 1 to 5 This utility model provides a caster, including a rotating structure as described in Embodiments 1 and 2, including a rotating structure according to the first aspect.

[0043] The technical effects of this embodiment are described in the corresponding description in Embodiment 1.

[0044] Example 4

[0045] Please refer to Figures 1 to 5 This utility model provides a caster, including a rotating structure control component 4 as described in Embodiment 2. The control component 4 is mounted on the main board 3 of the rotating structure, meaning the entire control component 4 is fixedly supported by the main board 3. It supports items such as hospital beds and trolleys on the main shaft via a rotating rod 1 and a metal component.

[0046] It should be noted that control component 4 is the control component that controls the rotation of the rotating wheel 2 on the caster 100. It mainly includes a brake structure. Control component 4 can refer to existing technology and is not limited to the attached... Figures 1 to 5 The braking structure shown in the image.

[0047] In summary, this embodiment, by designing an optional number of rotating bearings 22 and a metal main board 3 to cooperate with the rotating rod 1, not only meets the needs of the caster 100 in high-load scenarios, but also takes into account the cost control of the caster 100 in low-load scenarios, thereby better meeting the market's high-load and cost control needs, and also facilitating market customers to select the performance of the caster 100 according to their load requirements.

[0048] In the description of this utility model, it should be understood that 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 indicated technical features. Therefore, 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.

[0049] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0050] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0051] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0052] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A rotating structure, characterized in that, It includes a rotating rod and two symmetrically designed rotating wheels. Each rotating wheel has multiple center-aligned bearing slots, and at least one bearing slot on each rotating wheel contains a rotating bearing. Two rotating wheels are respectively mounted on both ends of the rotating rod via corresponding rotating bearings.

2. The rotating structure according to claim 1, characterized in that, Each rotating wheel has two bearing slots.

3. The rotating structure according to claim 2, characterized in that, Each rotating wheel has two bearing slots on which a rotating bearing is installed.

4. The rotating structure according to claim 1, characterized in that, The multiple bearing grooves on each rotating wheel are stepped.

5. A rotating structure according to claim 4, characterized in that, The diameter of the multiple rotating grooves on each rotating wheel gradually decreases along the direction away from the radial center of the rotating rod.

6. A rotating structure according to any one of claims 1 to 5, characterized in that, It also includes a mainboard, on which the rotating rod is fixed, and the mainboard is used to support the control components of the caster.

7. A rotating structure according to claim 6, characterized in that, The motherboard is made of metal.

8. A rotating structure according to claim 6, characterized in that, The motherboard has a fixing hole, through which the rotating rod passes.

9. A caster, characterized in that, Includes a rotating structure as described in any one of claims 1 to 8.

10. A caster according to claim 9, characterized in that, It also includes a control component, which is mounted on the main board of the rotating structure and the main board is a metal component.

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