Corner wheel assembly
By designing the removable corner wheel assembly, the problem of inconvenient movement of the storage box and the inability to replace the casters by themselves after they are damaged is solved, and convenient movement and low-cost maintenance are achieved.
Patent Information
- Application Number
- CN202422424642.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The existing storage box is inconvenient to move when the weight of the items stored in the storage is large, and the casters cannot be replaced or repaired by the user after they are damaged, which makes it inconvenient for the manufacturer to repair services.
A removable angle wheel assembly is designed, including casters and casters mounts, which can be detachably connected to the storage box through slots and screw holes. The casters mounts and support feet are integrally formed to facilitate users to install and replace casters as needed.
It realizes convenient movement of storage boxes and independent replacement and repair of casters, reducing maintenance costs and improving user experience.
Smart Images

Figure CN223212875U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of luggage, and in particular to a corner wheel assembly that can be detachably installed on a luggage. Background Art
[0002] A storage box is a box used to organize and store scattered items, and is widely used in homes and various warehouses. The storage box body generally includes a cavity and a lid, which are used to store items. Most storage boxes do not have walking casters, and when the items stored inside are heavy, it is very inconvenient to move them. Some storage boxes are provided with handles and casters to facilitate the movement of the box body. However, the casters are assembled on the box body by the manufacturer before leaving the factory. When the casters of the storage box are damaged, they cannot be replaced by the user. High-end storage boxes need to be sent back to the manufacturer for repair and replacement, and the manufacturer does not provide repair services for ordinary storage boxes, which is inconvenient for users. Utility Model Content
[0003] The purpose of the utility model is to provide a corner wheel assembly that can be detachably mounted on a storage box to facilitate the use of the storage box.
[0004] In order to achieve the above objectives, the present invention provides the following technical solutions:
[0005] The utility model provides a corner wheel assembly for detachably mounting to the corner end of the bottom of a storage box. The corner wheel assembly includes a caster, a caster mounting seat and a support foot. The caster mounting seat and the support foot are fixed to the bottom plate of the box when mounted on the box, and the caster mounting seat and the support foot are integrally formed. The caster is rotatably mounted on the caster mounting seat.
[0006] In one embodiment, the support leg includes an arc portion that matches the corner end of the box body, and the caster mounting seat is connected to one end of the arc line of the arc portion.
[0007] In one embodiment, the caster mounting base and the support leg are both provided with an outer wall and an inner wall, and the inner wall and the outer wall are integrally formed and define a slot at the top, and the slot is used to clamp the flange at the bottom of the storage box when the corner wheel assembly is installed on the storage box.
[0008] In one embodiment, a reinforcing rib is connected between the outer wall and the inner wall.
[0009] In one embodiment, the caster mounting base and the supporting foot are both provided with a fixing plate, and the fixing plate is provided with screw holes for passing screws to fix the fixing plate to the storage box.
[0010] In one embodiment, the fixing plate is horizontally arranged at the top end of the inner wall, and the fixing plate is provided with studs at positions corresponding to the screw holes, and the studs are pressed against the bottom surface of the box when the corner wheel assembly is assembled with the box.
[0011] In one embodiment, the height of the inner wall is smaller than that of the outer wall, and the height difference is matched with the height of the stud.
[0012] In one embodiment, the inner wall is provided with an arc surface at a position corresponding to the supporting foot.
[0013] In one embodiment, the caster mounting base is provided with a pair of ribs arranged opposite to each other, the caster is placed between the pair of ribs and the two ribs are connected by a rotating shaft.
[0014] In one embodiment, the caster mounting base and the supporting foot are integrally formed of metal or hard plastic.
[0015] The technical solution provided by this utility model has the following beneficial effects: by providing a caster mounting base and support legs that can be detachably connected to the storage box body, the utility model meets the user's need for post-installation of casters according to the usage scenario. The casters can be installed on the storage box, making it easier to use the storage box and also meeting the need for caster replacement and maintenance. In addition, the caster mounting base and support legs are integrally formed, which can save mold opening costs and also facilitate the installation of the caster assembly on the storage box. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments of the present invention.
[0017] Figure 1 A three-dimensional diagram of a corner wheel assembly provided in one embodiment of the present utility model;
[0018] Figure 2 A three-dimensional diagram of a caster mounting base and a support leg provided in one embodiment of the present invention;
[0019] Figure 3 for Figure 1 The shown structure is a schematic diagram of a trolley case in which the corner wheel assembly is installed in a storage box. DETAILED DESCRIPTION
[0020] The following describes embodiments of the present invention in more detail with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.
[0021] It should be understood that the various steps described in the method embodiments of the present invention can be performed in a different order and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present invention is not limited in this respect.
[0022] As used herein, the term "including" and its variations are open-ended, i.e., "including but not limited to." The term "connected" may refer to a direct connection or an indirect connection via an intermediate component (element). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; and the term "some embodiments" means "at least some embodiments." Definitions of other terms are provided below.
[0023] It should be noted that the concepts of "first" and "second" mentioned in this utility model are only used to distinguish devices, modules or units, and are not used to limit these devices, modules or units to be different devices, modules or units, nor are they used to limit the order or interdependence of the functions performed by these devices, modules or units.
[0024] See also Figure 1 and Figure 2 The present invention relates to a corner wheel assembly 100, which is used to be detachably mounted on a storage box 200, specifically mounted at the bottom corner of the storage box, so that the storage box has a walking function, forming a trolley box (see Figure 3 ), making it convenient for users to move or carry the storage box.
[0025] The caster assembly 100 includes a caster 30, a caster mounting base 20, and a support leg 10. The caster mounting base 20 and the support leg 10 are fixed to the bottom plate of the box when installed on the box, and the caster mounting base 20 and the support leg 10 are integrally formed; the caster 30 is rotatably mounted on the caster mounting base 20.
[0026] The height of the support leg 10 matches the total height of the caster 30 and the caster mounting seat 20 after the caster 30 is installed on the caster mounting seat 20, so that the storage box can be supported by the support leg 10 when it is placed flat.
[0027] In one embodiment, the support leg 10 includes an arc portion that matches the corner end of the box, and the caster mounting seat 20 is connected to one end of the arc portion. Specifically, the arc portion is concentric with the arc of the corner end of the box.
[0028] In one embodiment, the caster mounting base 20 and the support leg 10 both have an outer wall 11 and an inner wall 12. The inner wall 12 and the outer wall 11 are integrally formed and define a slot 50 at the top. The slot 50 is used to engage the flange at the bottom of the storage box when the caster assembly 100 is installed on the storage box. The provision of the slot 50 not only improves the connection strength between the caster assembly 100 and the box, but also improves assembly efficiency.
[0029] In one embodiment, a reinforcing rib 60 is connected between the outer wall 11 and the inner wall 12 to enhance the structural strength of the castor assembly 100 .
[0030] In one embodiment, the caster mounting base 20 and the supporting leg 10 are both provided with a fixing plate 40 , and the fixing plate 40 is provided with screw holes 41 for passing screws to fix the fixing plate to the storage box.
[0031] In one embodiment, the fixing plate 40 is horizontally arranged at the top of the inner wall 12, and the fixing plate 40 is provided with studs 42 at positions corresponding to the screw holes 41. The studs 42 are pressed against the bottom surface of the box when the corner wheel assembly 100 is assembled with the box.
[0032] In one embodiment, the height of the inner wall 12 is smaller than that of the outer wall 11 , and the height difference is matched with the height of the stud 42 , so that the stud 42 can press against the bottom surface of the box, thereby enhancing the connection strength between the corner wheel assembly 100 and the box.
[0033] In one embodiment, the inner wall 12 is provided with an arc surface at a position corresponding to the supporting foot 10 .
[0034] In one embodiment, the caster mounting base 20 is provided with a pair of ribs arranged opposite to each other, and the caster 30 is placed between the pair of ribs and connected to the two ribs via a rotating shaft.
[0035] In one embodiment, the caster mounting base 20 and the supporting leg 10 are integrally formed of metal or hard plastic, so that the caster assembly 100 has a higher structural strength.
[0036] The above description is merely a preferred embodiment of the present invention and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the present invention is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the concept of the above-mentioned utility model. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) other technical features with similar functions in the present invention.
[0037] Although the subject matter has been described in language specific to structural features and / or methodological logical acts, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are merely example forms of implementing the claims.
Claims
1. A castor assembly, characterized in that: Used to be detachably mounted on the corner end of the bottom of the storage box, the corner wheel assembly includes a caster, a caster mounting base and a support foot; The caster mounting base and the supporting foot are fixed to the bottom plate of the box when mounted on the box, and the caster mounting base and the supporting foot are integrally formed; The caster is rotatably mounted on the caster mounting seat.
2. The castor assembly according to claim 1, wherein: The supporting foot comprises an arc portion matching the corner end of the box body, and the caster mounting seat is connected to one end of the arc line of the arc portion.
3. The castor assembly according to claim 1, wherein: The caster mounting seat and the supporting foot are both provided with an outer wall and an inner wall. The inner wall and the outer wall are integrally formed and define a slot at the top. The slot is used to clamp the flange at the bottom of the storage box when the corner wheel assembly is installed on the storage box.
4. The castor assembly according to claim 3, characterized in that: Reinforcing ribs are connected between the outer wall and the inner wall.
5. The castor assembly according to claim 3, characterized in that: The caster mounting seat and the supporting foot are both provided with a fixing plate, and the fixing plate is provided with screw holes for passing screws to fix the fixing plate to the storage box.
6. The castor assembly according to claim 5, characterized in that: The fixing plate is horizontally arranged at the top end of the inner wall. The fixing plate is provided with studs at positions corresponding to the screw holes. The studs are pressed against the bottom surface of the box when the corner wheel assembly is assembled with the box.
7. The castor assembly according to claim 6, characterized in that: The height of the inner wall is smaller than that of the outer wall, and the height difference is matched with the height of the stud.
8. The castor assembly according to claim 3, wherein: The inner wall is provided with an arc surface at a position corresponding to the supporting foot.
9. The castor assembly according to claim 1, wherein: The caster mounting seat is provided with a pair of ribs arranged opposite to each other, the caster is placed between the pair of ribs and the two ribs are connected by a rotating shaft.
10. The castor assembly according to claim 1, wherein: The caster mounting seat and the supporting foot are integrally formed of metal or hard plastic.