Trundle and box thereof

Abstract

The utility model provides a trundle and a box. The trundle comprises a mounting shell, a trundle shell, a wheel and a fixing part, the trundle shell is detachably connected with the wheel, and the mounting shell is provided with a mounting opening; the wheel shell is embedded in the mounting opening; the fixing piece is detachably connected with the wheel shell and the mounting shell in sequence, so that the wheel shell and the mounting shell are detachably mounted together.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of caster, especially a caster and a box thereof. BACKGROUND

[0002] The caster products widely sold in the market at present generally adopt the manufacturing mode of integral one-off design, and this design not only makes the caster extremely inconvenient in the disassembly and assembly process, brings the user with the installation, replacement and maintenance not small trouble, but also due to the complex structure and the lack of flexibility in material use, leads to the relatively high production cost. SUMMARY

[0003] Therefore, the application provides a caster and a box thereof which are convenient to install and disassemble.

[0004] In the first aspect, the application provides a caster, which comprises a mounting shell, a wheel shell, a wheel, and a fixing member, the wheel shell is detachably connected with the wheel, the mounting shell is provided with a mounting opening, the wheel shell is embedded in the mounting opening, and the fixing member is detachably connected with the wheel shell and the mounting shell in sequence, so that the wheel shell and the mounting shell are detachably mounted together.

[0005] Further, the mounting shell is provided with a mounting column adjacent to the position of the mounting opening, the mounting column is located on the back surface of the mounting shell, the mounting column is provided with an embedded nut, the wheel shell is provided with a mounting hole corresponding to the embedded nut, and the fixing member passes through the mounting hole and is screwed to the embedded nut.

[0006] Further, the embedded nut is made of metal material.

[0007] Further, the mounting shell further comprises a front surface away from the back surface, the front surface is recessed to form a placing groove adjacent to the position of the mounting opening, the center of the mounting column and the center of the placing groove are located on a straight line, one side of the wheel shell opposite to the mounting shell is provided with a boss, the center of the boss is aligned with the center of the mounting hole, and the boss corresponds to the placing groove and is limited in the placing groove.

[0008] Further, the two sides of the wheel shell are respectively provided with positioning bosses protruding towards the mounting opening, the mounting shell is provided with positioning grooves corresponding to the positioning bosses, and the positioning bosses are limited in the positioning grooves.

[0009] Further, the wheel shell comprises two opposite side walls and a transition connecting wall connected between the two side walls, the two side walls and the transition connecting wall together forming a wheel groove, and the two sides of the wheel are pivoted to the two side walls to rotate in the wheel groove.

[0010] Further, the wheel shell is provided with a first protruding edge at the opening of the wheel groove, and the mounting shell is provided with a matching groove corresponding to the first protruding edge at a position adjacent to the mounting port, and the first protruding edge and the matching groove cooperate to make the wheel shell present a complete surface when mounted in the mounting shell.

[0011] Further, the mounting shell comprises a first mounting shell and a second mounting shell which are integrally formed and arranged in an L shape, and the mounting port is arranged at the transition connection between the first mounting shell and the second mounting shell.

[0012] Further, the second mounting shell is further formed with a second protruding edge at an end away from the first mounting shell, and the mounting port is surrounded by the second protruding edge and the matching groove, and the first protruding edge and the second protruding edge combine to form a complete protruding edge surrounding the mounting port.

[0013] In a second aspect, the application provides a box, comprising a box body and a caster arranged on the box body.

[0014] The above-mentioned caster and box comprise a mounting shell, a wheel shell, and a fixing member, the mounting shell is provided with a mounting port, so that the wheel shell is embedded in the mounting shell through the mounting port. At the same time, the fixing member is detachably connected with the wheel shell and the mounting shell in sequence, so that the wheel shell and the mounting shell are detachably mounted together, thereby facilitating the mounting and dismounting of the wheel shell and the mounting shell. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0016] Figure 1 is a first structural schematic diagram of the caster provided by the present embodiment.

[0017] Figure 2 is a second structural schematic diagram of the caster provided by the present embodiment.

[0018] Figure 3 is a third structural schematic diagram of the caster provided by the present embodiment.

[0019] Figure 4 is a structural schematic diagram of a wheel provided by the embodiment.

[0020] Figure 5 is a front schematic diagram of a wheel shell provided by the embodiment.

[0021] Figure 6 is a front schematic diagram of a mounting shell provided by the embodiment.

[0022] Figure 7 is a back schematic diagram of a mounting shell provided by the embodiment.

[0023] Figure 8 is a first exploded view of a caster provided by the embodiment.

[0024] Figure 9 is a second exploded view of a caster provided by the embodiment.

[0025] Figure 10 is a structural schematic diagram of a box provided by the embodiment.

[0026] Explanation of the elements in the drawings:

[0027]

[0028] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of the present application.

[0030] The terms "first", "second", "third", "fourth" and the like (if any) in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, in other words, the described embodiments are implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof can also include other content, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0031] It should be noted that the terms "first", "second", etc. in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included one or more of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of the technical personnel in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0032] Please refer to Figures 1-3 , Figures 1-3 respectively show the three perspective structures of the caster. The present application provides a caster 100, which comprises a mounting shell 1, a wheel shell 2, a wheel 3, and a fixing member (not shown in the figure), the wheel shell 2 and the wheel 3 are detachably connected. The wheel shell 2 is embedded in the mounting shell 1. The fixing member is detachably connected with the wheel shell 2 and the mounting shell 1 in sequence, so that the wheel shell 2 and the mounting shell 1 are detachably mounted together.

[0033] Please refer to Figures 4-5 , Figure 4 is a structural diagram of the wheel, Figure 5 is a front view of the wheel shell. The wheel shell 2 comprises two opposite side walls 211, 212 and a transition connecting wall 213 connected between the two side walls 211, 212, the two side walls 211, 212 and the transition connecting wall 213 together form a wheel groove 21, and the two sides of the wheel 3 are pivoted to the two side walls 211, 212 to rotate in the wheel groove 21. In the present embodiment, the wheel shell 2 further comprises a first fixing hole 25 penetrating through the two side walls 211, 212, and the wheel 3 further comprises an axle (not shown in the figure), the wheel 3 is provided with a through hole 31 at the center, and the axle penetrates through the first fixing hole 25 and the through hole 31, so that the two sides of the wheel 3 are pivoted to the two side walls 211, 212 and rotate in the wheel groove 21.

[0034] Please refer to Figures 6-7 , Figures 6-7 respectively show the front structure and the back structure of the mounting shell. The mounting shell 1 comprises a back surface M and a front surface N facing away from the back surface M, and the mounting shell 1 comprises a first mounting shell A and a second mounting shell B which are integrally formed, and a mounting port C, the first mounting shell A and the second mounting shell B are arranged in an L shape, and the mounting port C is arranged at the transition connection of the first mounting shell A and the second mounting shell B. In the present embodiment, the wheel shell 2 is embedded in the mounting shell 1 through the mounting port C. In the present embodiment, the second mounting shell B is provided with a second fixing hole 16 at a position close to the mounting port C, and the second fixing hole 16 is used for fixing the caster 100 on the box 1000, so that the box 1000 can be moved by the caster 100.

[0035] Please refer to Figure 8 , Figure 8 is a first exploded view of the caster. The wheel shell 2 is provided with a first protrusion 213 at the opening of the wheel groove 21. The mounting shell 1 is provided with a matching groove 12 corresponding to the first protrusion 213 at the position adjacent to the mounting port C. The first protrusion 213 and the matching groove 12 cooperate to present a complete surface when the wheel shell 2 is mounted to the mounting shell 1. The second mounting shell B is further provided with a second protrusion 11 at the end away from the first mounting shell A. The mounting port C is surrounded by the second protrusion 11 and the matching groove 12. The first protrusion 213 and the second protrusion 11 combine to form a complete protrusion surrounding the mounting port C.

[0036] In the present embodiment, the wheel shell 2 is provided with a positioning boss 24 protruding towards the mounting port C at each side. The mounting shell 1 is provided with a positioning groove 13 corresponding to the positioning boss 24. The positioning boss 24 is opposite to the first fixing hole 25. It can be understood that the first protrusion 213, the second protrusion 11 and the matching groove 12 are mutually embedded to make the connection between the wheel shell 2 and the mounting shell 1 in the vertical direction more compact. The positioning boss 24 and the positioning groove 13 are also mutually embedded to make the connection between the wheel shell 2 and the mounting shell 1 in the horizontal direction more compact.

[0037] Please refer to Figure 9 , Figure 9 is a second exploded view of the caster. The front surface N of the mounting shell 1 is recessed to form a placing groove 14 at the position adjacent to the mounting port C. The back surface M of the mounting shell 1 is provided with a mounting post 15 at the position adjacent to the mounting port C. The center of the mounting post 15 is on the same straight line as the center of the placing groove 14. Further, the mounting post 15 is provided with an embedded nut (not shown in the figure). The wheel shell 2 is provided with a mounting hole 23 corresponding to the embedded nut. The opposite surface of the wheel shell 2 to the mounting shell 1 is provided with a boss 22. The center of the boss 22 is aligned with the center of the mounting hole 23. The boss 22 corresponds to and is limited in the placing groove 14. The fixing member passes through the mounting hole 23 and is screwed to the embedded nut. In the present embodiment, the fixing member is a screw and the embedded nut is made of metal. The screw passes through the mounting hole 23 and is screwed to the embedded nut to make the wheel shell 2 and the mounting shell 1 detachably mounted together. It can be understood that the screw and the embedded nut are screwed or unscrewed to make the wheel shell 2 and the mounting shell 1 mounted together. Therefore, the wheel shell 2 and the mounting shell 1 are detachably connected. The mounting or dismounting of the wheel shell 2 and the mounting shell 1 will not cause damage to the wheel shell 2 and the mounting shell 1.

[0038] Please refer to Figure 10 , Figure 10It is a structural schematic view of the box. The application provides a box 1000, which comprises a box body 200 and a caster 100 arranged on the box body 200. In the embodiment, the box 1000 can be provided with the caster 100 according to actual needs, and the number of the caster 100 is not limited herein. In addition, the structure of the caster 100 has been described in detail above, and will not be described herein again.

[0039] In the above embodiment, the mounting shell is provided with a mounting opening, so that the wheel shell is embedded in the mounting shell through the mounting opening. Meanwhile, the fixing member is detachably connected with the wheel shell and the mounting shell in sequence, so that the wheel shell and the mounting shell are detachably mounted together, thereby facilitating the mounting and dismounting of the wheel shell and the mounting shell.

[0040] The above is only the preferred embodiment of the present application, but does not limit the patent range of the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection range of the present application.

Claims

1. A caster wheel characterized by, The application relates to a caster wheel, which comprises a mounting shell, a wheel shell, a wheel and a fixing member, wherein the wheel shell is detachably connected with the wheel, the mounting shell is provided with a mounting opening, the mounting shell is provided with a mounting column at a position adjacent to the mounting opening, the mounting column is located at the back of the mounting shell, the mounting column is provided with an embedded nut, the wheel shell is embedded in the mounting opening, the wheel shell is provided with a mounting hole corresponding to the embedded nut, the fixing member passes through the mounting hole and is screwed on the embedded nut, the fixing member is detachably connected with the wheel shell and the mounting shell in sequence, so that the wheel shell and the mounting shell are detachably mounted together.

2. The caster according to claim 1, wherein The embedded nut is made of metal material.

3. The caster according to claim 1, wherein The mounting shell further comprises a front surface away from the back surface, the front surface is recessed to form a placing groove at a position adjacent to the mounting opening, the center of the mounting column and the center of the placing groove are located on a straight line, one side of the wheel shell opposite to the mounting shell is provided with a boss, the center of the boss is aligned with the center of the mounting hole, and the boss corresponds to the placing groove and is limited in the placing groove.

4. The caster according to claim 1, wherein The wheel shell is provided with positioning bosses on both sides of the wheel shell, the mounting shell is provided with positioning grooves corresponding to the positioning bosses, and the positioning bosses are limited in the positioning grooves.

5. The caster according to claim 1, wherein The wheel shell comprises two opposite side walls and a transition connecting wall connected between the two side walls, the two side walls and the transition connecting wall jointly form a wheel groove, and two sides of the wheel are pivotally connected to the two side walls to rotate in the wheel groove.

6. The caster according to claim 5, wherein The wheel shell is provided with a first convex edge at an opening of the wheel groove, the mounting shell is provided with a matching groove corresponding to the first convex edge at a position adjacent to the mounting opening, and the first convex edge and the matching groove are matched to make the wheel shell present a complete surface when the wheel shell is mounted on the mounting shell.

7. The caster according to claim 6, wherein The mounting shell comprises a first mounting shell and a second mounting shell which are integrally formed, the first mounting shell and the second mounting shell are arranged in an L shape, and the mounting opening is arranged at a transition connection position of the first mounting shell and the second mounting shell.

8. The caster according to claim 7, wherein The second mounting shell is further provided with a second convex edge at an end away from the first mounting shell, the mounting opening is surrounded by the second convex edge and the matching groove, and the first convex edge and the second convex edge are combined to form a convex edge surrounding the mounting opening.

9. A box characterized in that The box comprises a box body and the caster wheel as claimed in any one of claims 1-8 arranged on the box body.

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