Roller assembly

By designing a roller assembly that supports the pallet and mounting frame, the problems of unreliable fixation and complex structure of existing cardboard boxes when transporting heavy objects are solved, achieving stable movement of cardboard boxes and simplifying the structure.

CN223619248UActive Publication Date: 2025-12-02TIANJIN HAOYI TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421664509.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-12-02
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing cardboard boxes with guide wheels are not securely fixed when transporting heavy objects and have a complex structure, making it difficult to meet the needs of handling heavy objects.

Method used

A roller assembly was designed, including a support plate and an insert frame. The roller is located in the insert frame and is fixedly connected to the box body through the support plate. The insert frame is hinged to the side of the box body to enhance the fixing strength. The structure is simple.

Benefits of technology

It achieves a firm connection between the roller assembly and the box body, making it convenient to move heavy objects. It also has a simple structure and is suitable for cardboard boxes, especially corrugated cardboard boxes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an idler wheel assembly which comprises an idler wheel and a supporting plate, an inlaying frame is arranged on the supporting plate, an idler wheel groove is formed in the portion, on the outer side of the supporting plate, of the inlaying frame, the idler wheel groove penetrates through the supporting plate, a hinge hole is formed in the inlaying frame, the hinge hole transversely penetrates through the idler wheel groove, and the idler wheel is arranged in the idler wheel groove. And the rolling wheels extend out of the supporting plate. The roller assembly provided by the utility model is firm in installation and simple in structure.
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Description

Technical Field

[0001] This utility model relates to the field of box body accessories technology, specifically to a roller assembly for a box body. Background Technology

[0002] Cartons are important transport packaging containers that facilitate the storage and transportation of goods, and also protect them from scratches or damage. Cardboard boxes, with their superior performance and processing capabilities, have gradually replaced wooden crates as packaging containers, occupying a significant position in the transport packaging market.

[0003] Traditional cardboard boxes have a flat bottom, requiring manual handling during transport, which is quite laborious. Currently, cardboard boxes with guide wheels are available on the market. These wheels are fixed to the box, facilitating movement and transportation. Chinese patent document CN218777982U discloses a cardboard box with guide wheels, including a cardboard box body and a guide wheel assembly. The guide wheel assembly is installed at the bottom of the cardboard box body. The guide wheel assembly includes a support plate, a piercing post, a locking cover, a guide wheel bracket, guide wheels, and bearings. A piercing post is vertically fixed to the top of the support plate. The piercing post has a pointed tip, and a male thread is provided on the outer side of the top of the piercing post near the pointed tip. A locking cover is installed at the top of the piercing post. The locking cover has a storage cavity inside, which houses the pointed tip and the male threaded part of the piercing post. The inner wall of the storage cavity has a female thread, and the female thread and the male thread are threaded together. A U-shaped guide wheel bracket is fixed to the bottom of the support plate, and guide wheels are installed on the guide wheel bracket via bearings. This cardboard box with guide wheels is fixed to the cardboard box body by the support plate and the locking cover. Although it is easy to assemble and disassemble, it is not suitable for transporting heavy objects, and its structure is relatively complex. Utility Model Content

[0004] The purpose of this utility model is to provide a roller assembly that is securely installed and has a simple structure.

[0005] The technical solution adopted by the roller assembly disclosed in this utility model is:

[0006] A roller assembly includes a roller and a support plate. The support plate is provided with an insert frame. The insert frame has a roller groove on the outer side of the support plate. The roller groove passes through the support plate. The insert frame is provided with a hinge hole that passes through the roller groove. The roller is disposed in the roller groove and hinged to the insert frame. The roller extends out of the support plate.

[0007] As a preferred embodiment, the support plate is L-shaped, and the support plate includes a bottom plate and a back plate, with the inlay mounted between the bottom plate and the back plate of the support plate.

[0008] As a preferred embodiment, the base plate and the back plate are provided with fixing holes.

[0009] As a preferred embodiment, the connection between the base plate and the back plate is arc-shaped.

[0010] As a preferred embodiment, the distance between the inlay frame and the edge of the support plate is greater than 0.2 mm.

[0011] As a preferred embodiment, the mounting frame and the support plate are integrally formed.

[0012] As a preferred embodiment, the support plate is provided with two or more mounting brackets.

[0013] The beneficial effects of the roller assembly disclosed in this utility model are as follows: the box body is provided with a through hole, the size of the support plate is larger than the size of the through hole on the box body, the support plate is placed inside the box body, fits against the box body, and is fixedly connected to the box body, which improves the fixing strength between the roller assembly and the box body. The roller groove of the inlay frame is exposed outside the box body, and the roller rolls, which is convenient for handling and has a simple structure. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the roller assembly of this utility model;

[0015] Figure 2 This is a structural schematic diagram of the support plate and mounting frame of the roller assembly of this utility model;

[0016] Figure 3 This is a structural schematic diagram of the support plate and mounting frame of the roller assembly of this utility model from another perspective. Detailed Implementation

[0017] The present invention will be further described and illustrated below with reference to specific embodiments and the accompanying drawings:

[0018] Please refer to Figures 1 to 3 A roller assembly includes an inlay frame 20, a roller 30, and a support plate 10, wherein the inlay frame 20 is disposed on the support plate 10, and the roller 30 is disposed in the inlay frame 20.

[0019] The support plate 10 is L-shaped and includes a base plate 11 and a back plate 12. The connection between the base plate 11 and the back plate 12 is arc-shaped. The base plate 11 is provided with a plurality of fixing holes 111 and the back plate 12 is provided with a plurality of fixing holes 121.

[0020] The mounting bracket 20 is disposed between the bottom plate 11 and the back plate 12 of the support plate 10. The distance between the mounting bracket 20 and the edge of the support plate 10 is L. Please refer to [reference needed]. Figure 2The mounting bracket 20 has a roller groove 21 on the outer side of the support plate 10. The roller groove 21 passes through the bottom plate 11 and back plate 12 of the support plate 10. The mounting bracket 20 has a hinge hole 22 that passes through the roller groove 21. The roller 30 is disposed in the roller groove 21 and is hinged to the mounting bracket 20 by a hinge shaft passing through the hinge hole 22. The roller 30 extends out of the bottom plate 11 and back plate 12 of the support plate 10. In this embodiment, a bolt can be used as the hinge shaft to prevent the hinge shaft from coming out of the hinge hole 22. In other embodiments, other hinge shaft structures can be used, as long as the roller 30 is rotatably fixed in the roller groove 21.

[0021] The roller assembly disclosed in this utility model is suitable for cardboard boxes, especially corrugated cardboard boxes. The cardboard box has a through hole, the size of which is smaller than the size of the support plate 10. The roller assembly is located in the cardboard box, and the rollers 30 of the roller assembly extend out of the through hole of the cardboard box. When the cardboard box is placed on the ground, the rollers 30 can slide on the ground, which is convenient for handling the cardboard box, especially when the contents of the cardboard box are heavy. The cardboard box can be moved with the help of the rollers 30, which is convenient for handling. In this embodiment, the distance L between the edge of the mounting frame 20 and the edge of the support plate 10 is 0, that is, the edge of the mounting frame 20 and the edge of the support plate 10 are located on the same plane. The side of the cardboard box is attached to the side of the mounting frame 20 and is fixedly connected to the side of the cardboard box by a hinge shaft, which improves the connection strength between the roller assembly and the cardboard box. The bottom plate 11 and back plate 12 of the support tray 10 are respectively attached to the bottom and back of the carton. The bottom plate 11 of the support tray 10 is fixed to the bottom of the carton by a number of fasteners such as fixing screws and bolts passing through the fixing holes 111 on the bottom plate 11. The back plate 12 is fixed to the back of the carton by a number of fasteners such as fixing screws and bolts passing through the fixing holes 121 on the back plate 12, thereby improving the fixing strength between the roller assembly and the carton body.

[0022] In the above embodiment, there are two mounting brackets for supporting the tray, which facilitates the stable placement of the carton.

[0023] In the above embodiments, the mounting frame and the support plate are integrally formed, resulting in high strength. In other embodiments, the mounting frame and the support plate may be formed by welding.

[0024] In other embodiments, the back plate 12 and bottom plate 11 of the support tray 10 are located outside the carton, and the mounting frame 20 is located inside the carton. The distance between the mounting frame and the edge of the support tray is equal to the thickness of the side of the carton, so that the side of the carton fits against the side of the mounting frame. The mounting frame is fixed to the side of the carton by a hinge shaft passing through the side of the carton, thereby improving the connection strength between the roller assembly and the carton.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A roller assembly, comprising rollers and a support plate, characterized in that, The support plate is provided with an inlay frame, and the inlay frame has a roller groove on the outer side of the support plate. The roller groove passes through the support plate. The inlay frame has a hinge hole that passes through the roller groove. The roller is located in the roller groove and is hinged to the inlay frame. The roller extends out of the support plate. The support plate is "L" shaped and includes a base plate and a back plate. The inlay frame is located between the base plate and the back plate of the support plate. The base plate and the back plate have fixing holes.

2. The roller assembly as claimed in claim 1, characterized in that, The connection between the base plate and the back plate is arc-shaped.

3. The roller assembly as claimed in claim 1, characterized in that, The distance between the inlay frame and the edge of the support plate is greater than 0.2 mm.

4. The roller assembly as claimed in claim 1, characterized in that, The mounting frame and the support plate are integrally formed.

5. The roller assembly as described in any one of claims 1-4, characterized in that, The support plate is provided with two or more mounting brackets.

Citation Information

Patent Citations

  • Carton with guide wheels

    CN218777982U