Luggage case with case wheels convenient to replace

Abstract

The utility model provides a luggage case convenient to replace case wheels, which comprises a case body, mounting grooves are arranged at four corners of the top of the case body, connecting blocks are fixedly mounted in the mounting grooves, circular grooves are arranged at the bottoms of the connecting blocks, connecting columns are arranged in the circular grooves, internal threads are arranged in the circular grooves, and external threads are arranged outside the connecting columns. The connecting column and the circular groove are in threaded connection through the internal thread and the external thread so as to be detachably connected, a screwing column is arranged at the bottom of the connecting column, a rotating shaft is arranged at the bottom of the screwing column, and a wheel carrier is rotationally connected to the rotating shaft. The round groove is formed in the bottom of the connecting block, the internal thread is formed in the round groove, and when the box wheel is damaged and needs to be replaced, the connecting column can be screwed out of the round groove of the connecting block to be replaced only by screwing the screwing column by means of threaded connection of the external thread and the internal thread arranged on the connecting column. The problem that the existing luggage case can only be scrapped when the case wheels are damaged is solved.

Description

Technical Field

[0001] The utility model relates to a luggage case with wheels that is convenient to replace, belonging to the technical field of luggage cases. Background Art

[0002] Luggage cases are mainly used to store personal items during travel or trips, such as clothes, toiletries, electronic devices, etc. Its sturdy outer shell can protect the items inside from damage. In order to be convenient to carry, wheels are provided at the bottom of the luggage case, and the wheels are relatively easy to wear with the use time of the luggage case.

[0003] In the prior art, the wheels of the luggage case cannot be disassembled and replaced. When the wheels are severely worn, the luggage case cannot be pulled on the ground and can only be scrapped. Therefore, the utility model provides a luggage case with wheels that is convenient to replace. Summary of the Utility Model

[0004] Based on the above background, the purpose of the utility model is to provide a luggage case with wheels that is convenient to replace and solve the problems in the background art.

[0005] The utility model provides the following technical solutions:

[0006] A luggage case with wheels that is convenient to replace, including a box body. At the four corners of the top of the box body, installation grooves are provided. A connecting block is fixedly installed in the installation groove. A circular groove is opened at the bottom of the connecting block. A connecting column is provided in the circular groove. Internal threads are provided in the circular groove. External threads are provided on the outer part of the connecting column. The connecting column and the circular groove are threadedly connected through the internal threads and the external threads and are thus detachably connected. A screwing column is provided at the bottom of the connecting column. A rotating shaft is provided at the bottom of the screwing column. A wheel frame is rotatably connected to the rotating shaft. A luggage case wheel is rotatably connected to the wheel frame.

[0007] Preferably, anti-slip lines are provided on the outer surface of the screwing column.

[0008] Preferably, an anti-detachment block is provided at the bottom of the rotating shaft, and the diameter of the anti-detachment block is larger than the diameter of the rotating shaft.

[0009] Preferably, the luggage case wheel is rotatably connected to the wheel frame through a wheel shaft.

[0010] Preferably, the connecting column, the screwing column, the rotating shaft and the anti-detachment block are coaxially arranged.

[0011] Preferably, the box body includes a left half box and a right half box, and the left half box and the right half box are connected together by a zipper.

[0012] Preferably, the installation grooves are respectively opened at the bottom corners of the left half box and the right half box.

[0013] Preferably, a pull rod is provided at one end of the right half box away from the left half box.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] For a suitcase with a wheel on the box that is convenient to replace, by opening a circular groove at the bottom of the connecting block and opening an internal thread in the circular groove, and using the threaded connection between the external thread provided on the connecting column and the internal thread, when the wheel on the box is damaged and needs to be replaced, only need to turn the turning column to screw out the connecting column from the circular groove of the connecting block for replacement, solving the problem that the wheel on the existing suitcase can only be scrapped when it is damaged. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a structural schematic diagram of the connecting block of the present utility model;

[0019] Figure 3 is a schematic diagram of the positional relationship among the connecting column, the turning column, the rotating shaft and the anti - detachment block of the present utility model;

[0020] Figure 4 is a structural schematic diagram of the wheel frame, the wheel shaft and the wheel on the box of the present utility model.

[0021] In the figure: 1, box body; 2, installation groove; 3, connecting block; 4, circular groove; 5, connecting column; 6, internal thread; 7, external thread; 8, turning column; 9, rotating shaft; 10, wheel frame; 11, wheel on the box; 12, anti - slip pattern; 13, anti - detachment block; 14, wheel shaft; 15, left half box; 16, right half box; 17, zipper; 18, pull rod. Detailed Embodiments

[0022] The following will further specifically illustrate the technical solutions of the present utility model through specific embodiments and in combination with the drawings. It should be understood that the implementation of the present utility model is not limited to the following embodiments, and any form of modification and / or change made to the present utility model will fall within the protection scope of the present utility model.

[0023] In the present utility model, unless otherwise specified, all parts and percentages are in weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the art. The methods in the following embodiments are conventional methods in the art unless otherwise specified. The components or equipment in the following embodiments are general standard parts or components known to those skilled in the art, and their structures and principles can be known by those skilled in the art through technical manuals or by conventional experimental methods.

[0024] The following will make a detailed description of the embodiments of the present utility model with reference to the accompanying drawings. In the following detailed description, for the convenience of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present utility model. However, one or more embodiments can also be implemented by those skilled in the art without these specific details.

[0025] As Figures 1 - 4 shown, a luggage case facilitating the replacement of the case wheels includes a case body 1. At the four corners of the top of the case body 1, mounting grooves 2 are respectively provided. The mounting grooves 2 are respectively opened at the bottom corners of the left half case 15 and the right half case 16. A connecting block 3 is fixedly installed in the mounting groove 2. A circular groove 4 is opened at the bottom of the connecting block 3. A connecting column 5 is provided in the circular groove 4. An internal thread 6 is provided in the circular groove 4. An external thread 7 is provided on the outer part of the connecting column 5. The connecting column 5 and the circular groove 4 are threadedly connected through the internal thread 6 and the external thread 7 so as to be detachably connected. A screwing column 8 is provided at the bottom of the connecting column 5. Anti-slip lines 12 are provided on the outer surface of the screwing column 8, which is convenient for screwing out the connecting column 5 from the circular groove 4. A rotating shaft 9 is provided at the bottom of the screwing column 8. A wheel frame 10 is rotatably connected to the rotating shaft 9. A case wheel 11 is rotatably connected to the wheel frame 10. The case wheel 11 is rotatably connected to the wheel frame 10 through a wheel shaft 14.

[0026] In the above technical solution, by opening a circular groove 4 at the bottom of the connecting block 3 and providing an internal thread 6 in the circular groove 4, and using the threaded connection between the external thread 7 provided on the connecting column 5 and the internal thread 6, when the case wheel 11 is damaged and needs to be replaced, only the screwing column 8 needs to be screwed to screw out the connecting column 5 from the circular groove 4 of the connecting block 3 for replacement, solving the problem that the existing case wheel 11 of the luggage case can only be scrapped when it is damaged.

[0027] As Figure 3 shown, in the present utility model, in order to prevent the wheel frame 10 from detaching from the rotating shaft 9, an anti-detaching block 13 is provided at the bottom of the rotating shaft 9, and the diameter of the anti-detaching block 13 is greater than the diameter of the rotating shaft 9. The connecting column 5, the screwing column 8, the rotating shaft 9 and the anti-detaching block 13 are coaxially arranged.

[0028] As Figure 1As shown, in the present utility model, the box body 1 includes a left half box 15 and a right half box 16. The left half box 15 and the right half box 16 are connected together by a zipper 17. The left half box 15 and the right half box 16 connected by the zipper 17 are convenient for opening to access items.

[0029] As Figure 1 shown, in the present utility model, in order to facilitate driving the luggage to move during the movement process, a pull rod 18 is provided at one end of the right half box 16 away from the left half box 15.

[0030] In this article, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A luggage case with wheels that are easy to replace, characterized in that: The box body (1) comprises a box body (1), wherein the top four corners of the box body (1) are provided with mounting grooves (2), a connecting block (3) is fixedly installed in the mounting groove (2), a circular groove (4) is provided at the bottom of the connecting block (3), a connecting column (5) is provided in the circular groove (4), an internal thread (6) is provided in the circular groove (4), an external thread (7) is provided on the outside of the connecting column (5), the connecting column (5) and the circular groove (4) are threadedly connected via the internal thread (6) and the external thread (7) so as to be detachably connected, a twisting column (8) is provided at the bottom of the connecting column (5), a rotating shaft (9) is provided at the bottom of the twisting column (8), a wheel frame (10) is rotatably connected to the rotating shaft (9), and a box wheel (11) is rotatably connected to the wheel frame (10).

2. The luggage case with easy replacement of wheels according to claim 1, characterized in that: The outer surface of the twisting column (8) is provided with anti-slip grooves (12).

3. The luggage case with easy replacement of wheels according to claim 1, characterized in that: An anti-slip block (13) is provided at the bottom of the rotating shaft (9), and the diameter of the anti-slip block (13) is larger than the diameter of the rotating shaft (9).

4. The luggage case with easy replacement of wheels according to claim 1, characterized in that: The box wheel (11) is rotatably connected to the wheel frame (10) via a wheel axle (14).

5. The luggage case with easy replacement of luggage wheels according to claim 1, characterized in that: The connecting column (5), the twisting column (8), the rotating shaft (9) and the anti-slip block (13) are coaxially arranged.

6. The luggage case with easy replacement of wheels according to claim 1, characterized in that: The box body (1) comprises a left half box (15) and a right half box (16), and the left half box (15) and the right half box (16) are connected together via a zipper (17).

7. The luggage case with easy replacement of wheels according to claim 6, characterized in that: The mounting grooves (2) are respectively arranged at the bottom corners of the left half box (15) and the right half box (16).

8. The luggage case with easy replacement of wheels according to claim 7, characterized in that: The right half box (16) is provided with a pull rod (18) at one end away from the left half box (15).

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