Reinforced luggage case
By introducing a fixed cylinder inner hole in the suitcase and cooperating with the roller connecting post, a threaded connection is achieved using a limit block and a threaded block, which solves the problem of suitcase roller replacement that cannot be effectively solved in the existing technology, and improves user experience and maintenance convenience.
Patent Information
- Application Number
- CN202520064410.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing suitcase wheels are difficult to replace when damaged, affecting ease of use and user experience.
By using the inner hole of the fixed cylinder and the connecting column of the roller, the roller is firmly fixed by the limiting block and the threaded block. When disassembling, simply rotate the limiting block and the threaded block will disengage from the connecting column, so that the roller can be easily disassembled and replaced.
It improves the ease of maintenance and user experience of the suitcase, enhances maintenance convenience, reduces maintenance time and difficulty, extends the lifespan of the wheels, and saves costs.
Smart Images
Figure CN223695141U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of luggage, especially to a reinforced luggage. BACKGROUND
[0002] With the continuous development of globalization and tourism, travel and business trips have become an integral part of modern life. People not only frequently cross national borders, but the boundaries between business and leisure travel have become blurred, and more and more people have begun to pay attention to the convenience and comfort of travel. As one of the most important equipment in the travel process, the design and function of the luggage have also been continuously innovated and upgraded with this trend.
[0003] In the prior art, the rollers of most luggage frequently come into contact with the ground during use, and these rollers are usually fixed on the luggage by direct fixing or screwing. This design can easily cause the rollers to be damaged during use, making it difficult for users to replace the rollers, and thus making the movement of the luggage difficult or not smooth, affecting the user experience.
[0004] Therefore, the skilled person in the art provides a reinforced luggage to solve the problems raised in the background art. SUMMARY
[0005] The utility model discloses a reinforced luggage to solve the problems raised in the background art, which is characterized by a fixed cylinder inner hole cooperating with a roller connecting column, using a limiting block and a threaded block to stably fix the roller for use. When disassembling, the user only needs to rotate the limiting block, and the threaded block will be separated from the connecting column, making it easy to disassemble and replace the roller. This design solves the problem of roller damage during travel, improves the convenience of maintenance and user experience.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A reinforced luggage includes a bottom shell, multiple connecting seats and multiple limiting blocks. The upper end of the bottom shell is connected with a frame through a screw thread. The upper end of the frame is rotatably connected with a top shell on one side. The inside of the top shell and the frame is fixedly connected with a fixed cylinder on both sides of the end face. The inside of multiple connecting seats is rotatably connected with a rotating block on one side. The side end face of multiple rotating blocks is fixedly connected with a connecting plate. The inside of multiple connecting plates is sleeved with a connecting rod on one side. The outside of multiple connecting rods is sleeved with a bearing on both sides. The outside of multiple bearings is fixedly connected with a roller. The side end face of multiple connecting seats is fixedly connected with a connecting column in the middle. The inside of multiple connecting columns is provided with a threaded hole. The side end face of multiple limiting blocks is fixedly connected with a threaded block in the middle.
[0008] By the above technical scheme, the luggage is connected with the connecting column of the roller through the inner hole of the fixing cylinder, and the roller is stably fixed for use by the limiting block and the threaded block. When disassembling, the user only needs to rotate the limiting block, and the threaded block will be separated from the connecting column, so that the roller can be easily disassembled and replaced. This design solves the problem of roller damage during travel, improves the maintenance convenience and user experience.
[0009] Further, the connecting columns all extend into the interior of the fixing cylinder, one side end face of the connecting seat is attached to one side end face of the fixing cylinder, one side end face of the limiting block is attached to the other side end face of the fixing cylinder, and the threaded block on the limiting block extends into the interior of the fixing cylinder and is threadedly connected with the threaded hole in the interior of the connecting column.
[0010] By the above technical scheme, the limiting and fixing of the limiting block can prevent unnecessary movement or loosening of the roller during use, thereby ensuring stable operation of the equipment and avoiding improper operation or failure caused by displacement of the roller. Meanwhile, the threaded connection enables the roller to be easily disassembled and replaced when damaged or worn, thereby reducing maintenance time and difficulty and improving maintenance efficiency.
[0011] Further, the steel wire is connected to the inner upper end of the frame through the clamp, the outer part of the steel wire is sleeved with the lining cloth, and the lower outer side of the lining cloth is fixed to the bottom shell through the screw.
[0012] By the above technical scheme, the lining cloth as the inner protective material can effectively prevent the articles from directly contacting with the external environment, provide additional protection, and reduce factors such as external pressure, friction, and stains that may cause damage to the articles. Meanwhile, the design of the steel wire enables the lining cloth to be easily replaced when damaged, avoiding the trouble of overall replacement of the equipment or container when damaged.
[0013] Further, the side end face of the frame is provided with a handle in the middle part.
[0014] By the above technical scheme, the handle provides a design for easy lifting and moving, making the equipment more convenient to use and improving the user experience.
[0015] Further, the frame is provided with a pull rod on both sides of the interior, and one end of the pull rod extends to the exterior of the frame.
[0016] By the above technical scheme, the pull rod is easy for the user to grab and pull, making the product more convenient to use and improving the user experience.
[0017] Further, the outer ends of the connecting rods are all threadedly provided with nuts, and one side end face of the nuts is tightly attached to the bearing.
[0018] Through the technical scheme, the stability of the connecting rod is ensured, loosening and damage are avoided, the service life is prolonged, the overall reliability of the product is improved, and the single roller is convenient to disassemble and replace when damaged, thereby saving cost.
[0019] Further, the bottom shell, the frame and the top shell are all made of polycarbonate material.
[0020] Through the technical scheme, the polycarbonate material has strong impact resistance and wear resistance, can effectively protect the internal structure and the article, prolong the service life of the product, and has a lighter weight, which is beneficial to improve the portability of the product.
[0021] The utility model has the advantages of the following beneficial effects:
[0022] 1. The utility model provides a reinforced luggage, when the luggage is used, the hole in the fixed cylinder is matched with the connecting column on the upper end of the roller, the connecting column is inserted into the fixed cylinder, and the threaded block on the limiting block is screwed with the connecting column, so that the roller is stably fixed on the luggage for use, when disassembling, the user only needs to rotate the limiting block, the threaded block is turned out from the connecting column, so that the roller is easily disassembled from the luggage and replaced, when the roller is damaged during travel, the user can quickly solve the problem, the maintenance convenience of the luggage is greatly improved, and the use experience of the user is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The utility model provides a reinforced luggage overall axonometric view;
[0024] Figure 2 The utility model provides a reinforced luggage explosion schematic view;
[0025] Figure 3 The utility model provides a reinforced luggage frame axonometric view;
[0026] Figure 4 The utility model provides a reinforced luggage lining cloth axonometric view;
[0027] Figure 5 The utility model provides a reinforced luggage roller and fixed cylinder expansion schematic view;
[0028] Figure 6 The utility model provides a reinforced luggage roller explosion schematic view.
[0029] Legend:
[0030] 1, bottom shell; 2, frame; 3, top shell; 4, handle; 5, pull rod; 6, steel wire; 7, lining cloth; 8, fixing cylinder; 9, connecting seat; 10, connecting column; 11, threaded hole; 12, limiting block; 13, threaded block; 14, rotating block; 15, connecting plate; 16, roller; 17, bearing; 18, connecting rod; 19, nut. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] Referring to Figures 1-6 The present application provides an embodiment: a reinforced luggage case, comprising a bottom shell 1, a plurality of connecting seats 9 and a plurality of limiting blocks 12, the upper end of the bottom shell 1 is threadedly connected with a frame 2 through a screw, the upper end of the frame 2 is rotatably connected with a top shell 3 on one side, the inside of the top shell 3 and the frame 2 is fixedly connected with a fixing cylinder 8 on both sides of the end face, the inside of a plurality of connecting seats 9 is rotatably connected with a rotating block 14 on one side, the side end face of a plurality of rotating blocks 14 is fixedly connected with a connecting plate 15, the inside of a plurality of connecting plates 15 is sleeved with a connecting rod 18 on one side, the outside of a plurality of connecting rods 18 is sleeved with a bearing 17 on both sides, the outside of a plurality of bearings 17 is fixedly connected with a roller 16, the side end face of a plurality of connecting seats 9 is fixedly connected with a connecting column 10 in the middle, the inside of a plurality of connecting columns 10 is provided with a threaded hole 11, the side end face of a plurality of limiting blocks 12 is fixedly connected with a threaded block 13 in the middle;
[0033] The luggage case is connected with the connecting column 10 of the roller 16 through the inner hole of the fixing cylinder 8, and the roller 16 is stably fixed for use by using the limiting block 12 and the threaded block 13. When disassembling, the user only needs to rotate the limiting block 12, and the threaded block 13 will be separated from the connecting column 10, so that the roller 16 can be easily disassembled and replaced. The problem of damaged roller 16 during travel is solved, and the maintenance convenience and user experience are improved.
[0034] The plurality of connecting columns 10 extend into the interior of the fixing cylinder 8, and the side end face of the connecting seat 9 is attached to the side end face of the fixing cylinder 8, the side end face of the plurality of limiting blocks 12 is attached to the other side end face of the fixing cylinder 8, and the threaded block 13 on the limiting block 12 extends into the interior of the fixing cylinder 8 and is threadedly connected with the threaded hole 11 in the interior of the connecting column 10, the limiting and fixing of the limiting block can prevent unnecessary movement or loosening of the roller 16 during use, thereby ensuring stable operation of the equipment and avoiding improper operation or failure caused by displacement of the roller 16, and the threaded connection enables the roller 16 to be conveniently disassembled and replaced when damaged or worn, reducing maintenance time and difficulty and improving maintenance efficiency, the inside upper end of the frame 2 is connected with a steel wire 6 through a clamp, the outside of the steel wire 6 is sleeved with a lining cloth 7, and the lower end outside of the lining cloth 7 is fixed to the bottom shell 1 through a screw, the lining cloth 7 as an inner protective material can effectively prevent direct contact of the article with the external environment, provide additional protection, reduce external pressure, friction, stains and other factors that may cause damage to the article, and the design of the steel wire 6 enables the lining cloth 7 to be conveniently replaced when damaged, avoiding the trouble of overall replacement of the entire equipment or container when damaged, the middle part of the side end face of the frame 2 is provided with a handle 4, the handle 4 provides a convenient design for extraction and movement, making the equipment more convenient during use and improving user experience, the inside of the frame 2 is provided with a pull rod 5 on both sides, one end of the pull rod 5 extends to the outside of the frame 2, and the pull rod 5 is convenient for the user to easily grasp and pull, making the product more convenient during use and improving the use experience, the outside of the plurality of connecting rods 18 is threadedly provided with a nut 19 at both ends, the side end face of the plurality of nuts 19 is tightly attached to the bearing 17, ensuring the stability of the connecting rod 18 and avoiding loosening and damage, thereby prolonging the service life and improving the overall reliability of the product, and the nuts 19 are convenient for disassembly and replacement when a single roller 16 is damaged, saving cost, the bottom shell 1, the frame 2 and the top shell 3 are all made of polycarbonate material, the polycarbonate material has strong impact resistance and wear resistance, can effectively protect the internal structure and the article, prolong the service life of the product, and has a relatively light weight, which is conducive to improving the portability of the product.
[0035] Working principle: during use, the user realizes smooth movement through the pull rod 5 and the lower end roller 16, improves the convenience and use experience, the roller 16 is in work, through the hole in the fixed cylinder 8 inside and the connecting column 10 on the upper end of the roller 16 cooperation, make connecting column 10 into fixed cylinder 8 inside, and through the screw block 13 on the limiting block 12 and the inside of connecting column 10 screw connection, make the roller 16 tightly fixed in the bottom of the luggage, ensure that it does not loosen in the use process, when need to disassemble or replace the roller 16, the user only needs to rotate the limiting block 12, the screw block 13 will be from the inside of connecting column 10 out, the user can easily disassemble and replace the roller 16 from the luggage, so that if the roller 16 is damaged in the journey, the user can quickly solve the problem, greatly improve the maintenance convenience of the luggage, reduce the situation of unable to use due to damage, at the same time, improve the overall use experience of the user.
[0036] Finally, it should be noted that: the above only for the preferred specific embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing specific embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each specific embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A reinforced suitcase, comprising a bottom shell (1), multiple connecting seats (9) and multiple limiting blocks (12), characterized in that: The upper end of the bottom shell (1) is connected to a frame (2) by screw thread. The upper end of the frame (2) is rotatably connected to a top shell (3). The top shell (3) and the frame (2) are both fixedly connected to a fixed cylinder (8) on both sides of the inner side end face. The inner side of the multiple connecting seats (9) is rotatably connected to a rotating block (14). The inner side end face of the multiple rotating blocks (14) is fixedly connected to a connecting plate (15). The inner side of the multiple connecting plates (15) is fitted with a connecting rod (18). The outer sides of the multiple connecting rods (18) are fitted with bearings (17). The outer sides of the multiple bearings (17) are fixedly connected to rollers (16). The middle of the inner side end face of the multiple connecting seats (9) is fixedly connected to a connecting column (10). The inner side of the multiple connecting columns (10) is provided with a threaded hole (11). The middle of the inner side end face of the multiple limiting blocks (12) is fixedly connected to a threaded block (13).
2. The reinforced suitcase according to claim 1, characterized in that: Multiple connecting posts (10) extend into the interior of the fixed cylinder (8), and one side end face of the connecting seat (9) is in contact with one side end face of the fixed cylinder (8). One side end face of multiple limiting blocks (12) is in contact with the other side end face of the fixed cylinder (8), and the threaded block (13) on the limiting block (12) extends into the interior of the fixed cylinder (8) and is threadedly connected to the threaded hole (11) inside the connecting post (10).
3. A reinforced suitcase according to claim 1, characterized in that: The upper inner end of the frame (2) is connected to a steel wire (6) by a clamp, and the outside of the steel wire (6) is covered with a lining (7). The lower outer side of the lining (7) is fixed to the bottom shell (1) by screws.
4. A reinforced suitcase according to claim 1, characterized in that: A handle (4) is provided at the middle of one end face of the frame (2).
5. A reinforced suitcase according to claim 1, characterized in that: Pull rods (5) are provided on both sides of the inside of the frame (2), and one end of the pull rods (5) extends to the outside of the frame (2).
6. A reinforced suitcase according to claim 1, characterized in that: Nuts (19) are threaded onto both ends of the multiple connecting rods (18), and one end face of each of the multiple nuts (19) is tightly fitted with the bearing (17).
7. A reinforced suitcase according to claim 1, characterized in that: The bottom shell (1), the frame (2), and the top shell (3) are all made of polycarbonate material.