A universal wheel trolley case with four-wheel independent brake
By designing storage slots and cable clips in the suitcase, the problems of inconvenient charging and tangled charging cables in the suitcase are solved, achieving both convenient phone charging and stable cable storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO CHENGKAI LUGGAGE CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-19
AI Technical Summary
Existing suitcases lack a structure for storing power banks and mobile phones, making charging inconvenient, and the lack of a storage place for charging cables makes them easy to get tangled, affecting their use.
The design incorporates a swivel wheel trolley case with a placement slot for securing a power bank and mobile phone, and a cable clamping slot for storing charging cables. Stability and positioning are achieved through threaded rods and positioning components.
It enables convenient charging of mobile phones in a suitcase, prevents charging cables from getting tangled, and improves the user experience.
Smart Images

Figure CN224369223U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of trolley cases, and more particularly to a trolley case with four independent brake wheels and universal wheels. Background Technology
[0002] Rolling suitcases are a common mode of transport in modern travel, typically consisting of a suitcase body with a retractable handle and wheels. They help people easily pack clothes, daily necessities, and other luggage, eliminating the inconvenience of carrying heavy items by hand. When walking, simply hold the handle and push or pull; the wheels at the bottom will turn smoothly, allowing the suitcase to move easily on the ground, making it especially suitable for use in airports, train stations, and similar locations. Whether for short business trips or long-distance travel, rolling suitcases are convenient helpers. Their practical design makes carrying luggage easy and simple, making them an important partner for organizing and moving belongings during travel, providing great convenience.
[0003] However, current rolling suitcases have the following drawbacks: First, they lack a structure for storing power banks and mobile phones, making it inconvenient for users to charge their phones at any time; second, there is no place to store the charging cables, which are easily tangled due to their excessive length, affecting use and making it inconvenient to access the mobile phone.
[0004] In response to this technical problem, this application proposes a swivel wheel suitcase with four independent brakes. Utility Model Content
[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a swivel wheel suitcase with four independent brakes. The aim is to enable the suitcase to charge mobile phones during use, making it convenient for users to charge and access their phones at any time. Additionally, the charging cable is stored in the cable tray to prevent it from becoming tangled due to excessive length, thus affecting usability.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A swivel wheel suitcase with four independent brakes includes two cases rotatably connected to each other and a zipper fixedly connected between them. A pull rod is slidably connected inside the rear case, and a rubber handle is fixedly connected to the middle of the top side of the pull rod. Two placement slots are fixedly connected to the top side of the front case, and clamping components are provided inside the placement slots to fix a power bank and a mobile phone. A cable clamping groove is fixedly connected to the top side of the rear case, and a positioning component is provided on the top side of the cable clamping groove to position the charging cable.
[0008] Furthermore, the clamping assembly includes a clamping plate slidably connected inside the placement groove, and rubber pads are fixedly connected to one side of the clamping plate and one side of the inner wall of the placement groove.
[0009] Furthermore, a threaded rod is rotatably connected to the left side inside the placement groove, and the left side of the clamping plate is threadedly connected to the outer wall of the threaded rod.
[0010] Furthermore, a knob is rotatably connected to the left side of the front side of the placement slot via a damping shaft, and the front end of the threaded rod is fixedly connected inside the knob.
[0011] Furthermore, the positioning component includes a sliding groove formed on the top side of the clamping groove, a round rod is fixedly connected inside the sliding groove, a positioning plate is slidably connected to the outer wall of the round rod, and the positioning plate is slidably connected inside the sliding groove.
[0012] Furthermore, rotating plates are rotatably connected to both the front and rear sides of the positioning plate, and a snap-on plate is connected to one side of the rotating plate via a torsion spring.
[0013] Furthermore, a buckle rod is fixedly connected to one side of the buckle plate, and a rubber ring is fixedly connected to the outer wall of the buckle rod. Multiple buckle slots are provided on both the front and rear sides of the clamping groove, and the buckle rod and the rubber ring are engaged inside the buckle slots.
[0014] Furthermore, a net bag is fixedly connected to the front side of the front box, and casters are installed on both the left and right sides of the bottom of the box.
[0015] This utility model has the following beneficial effects:
[0016] 1. In this utility model, two placement slots are used to place a power bank and a mobile phone respectively, and a threaded rod drives the clamping plate to slide, thereby adjusting the distance between the clamping plate and one side of the inner wall of the placement slot. This allows the placement slot to fix power banks and mobile phones of different sizes, improving the versatility of the placement slot. It also allows the suitcase to charge the mobile phone during use, making it convenient for users to charge and access their mobile phones at any time.
[0017] 2. In this utility model, the positioning plate is used to bend the charging cable into two sections, so that the charging cable is stored in the cable clamping groove, preventing the charging cable from being too long and causing tangling, thus affecting its use. The length of the charging cable at both ends can be adjusted by sliding the positioning plate, thereby accommodating charging cables of different lengths. Attached Figure Description
[0018] Figure 1 This is a perspective view of a swivel wheel suitcase with four independent brakes proposed in this utility model;
[0019] Figure 2 A schematic diagram of the internal structure of the placement slot of a swivel wheel trolley case with four independent brakes proposed in this utility model;
[0020] Figure 3A schematic diagram of the cable clamping groove structure of a universal wheel trolley case with four independent brakes proposed in this utility model;
[0021] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0022] Legend:
[0023] 1. Box body; 2. Mesh bag; 3. Placement slot; 4. Pull rod; 5. Rubber handle; 6. Zipper; 7. Cable clamping groove; 8. Casters; 9. Clamping plate; 10. Rubber pad; 11. Threaded rod; 12. Knob; 13. Round rod; 14. Positioning plate; 15. Turning plate; 16. Buckle plate; 17. Buckle rod; 18. Rubber ring. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Reference Figures 1-3This utility model provides an embodiment of a swivel wheel suitcase with four independent brakes, comprising two suitcase bodies 1 rotatably connected together, and a zipper 6 fixedly connected between them. Items are stored in the suitcase bodies 1, and the two suitcase bodies 1 are connected together by the zipper 6 to close the suitcase bodies 1. A pull rod 4 is slidably connected inside the rear suitcase body 1, allowing the suitcase body 1 to be pulled. The pull rod 4 has a locking structure inside to lock its position, facilitating user adjustment of its length for ease of use. The locking structure adopts a common design found in commercially available suitcases, which will not be described in detail here. A rubber handle 5 is fixedly connected to the middle of the top side of the pull rod 4, allowing the user to easily pull the pull rod 4. Two placement slots 3 are fixedly connected to the top side of the front suitcase body 1. The bottom placement slot 3 is for placing a power bank, while the top placement slot 3 is for placing a mobile phone. A cable clamping groove 7 is fixedly connected to the top side of the rear housing 1. A clamping plate 9 is slidably connected inside the placement groove 3. Rubber pads 10 are fixedly connected to one side of the clamping plate 9 and one side of the inner wall of the placement groove 3. A threaded rod 11 is rotatably connected to the left side inside the placement groove 3. The left side of the clamping plate 9 is threadedly connected to the outer wall of the threaded rod 11. A knob 12 is rotatably connected to the left side of the front side of the placement groove 3 through a damping shaft. The front end of the threaded rod 11 is fixedly connected to the inside of the knob 12. By rotating the knob 12, the threaded rod 11 is rotated, which drives the clamping plate 9 to slide, thereby adjusting the distance between the clamping plate 9 and one side of the inner wall of the placement groove 3. This allows the placement groove 3 to fix power banks and mobile phones of different sizes, improving the versatility of the placement groove 3. At the same time, the rubber pads 10 increase the friction between the clamping plate 9 and the placement groove 3 on the power bank or mobile phone, thereby improving the stability of the clamping.
[0026] Reference Figure 1 , Figure 3 and Figure 4The cable clamping groove 7 has a sliding groove on its top side. A round rod 13 is fixedly connected inside the sliding groove. A positioning plate 14 is slidably connected to the outer wall of the round rod 13. The positioning plate 14 is slidably connected inside the sliding groove. Rotating plates 15 are rotatably connected to both the front and rear sides of the positioning plate 14. A buckle plate 16 is connected to one side of the rotating plate 15 via a torsion spring. A buckle rod 17 is fixedly connected to one side of the buckle plate 16. A rubber ring 18 is fixedly connected to the outer wall of the buckle rod 17. Multiple buckle slots are opened on both the front and rear sides of the cable clamping groove 7. The buckle rod 17 and the rubber ring 18 are all engaged inside the buckle slots. By placing the charging cable into the cable clamping groove... The charging cable is bent into two ends on the two grooves on the top side of the 7, allowing it to be stored in the cable clamping groove 7. This prevents the charging cable from becoming too long and getting tangled, thus affecting its use. The length of the charging cable bent into two ends can be adjusted by sliding the positioning plate 14 to accommodate charging cables of different lengths. By rotating the rotating plate 15 to the top side of the cable clamping groove 7, and then rotating the buckle plate 16, the buckle rod 17 and the rubber ring 18 are engaged in the buckle grooves at different positions to fix the position of the rotating plate 15, thereby fixing the position of the positioning plate 14, which can then be adjusted. A net bag 2 is fixedly connected to the front side of the front box 1. Universal wheels 8 are installed on both the left and right sides of the bottom side of the box 1. The net bag 2 is used to place items that need to be used temporarily, and the universal wheels 8 make it easy for the box 1 to move. The universal wheels 8 are of the type that can be braked independently, making it convenient for users to place the suitcase.
[0027] Working principle: First, place the items into the two boxes 1, then rotate one box 1 to move onto the other box 1. Next, pull the zipper 6 to connect the two boxes 1 together, sealing them closed. Then, pull the lever 4 to extend it out of the box 1, and lock the lever 4 in place using a locking mechanism. Next, place the items that need temporary use onto the mesh bag 2 for easy access. The mesh bag 2 is equipped with a matching zipper to close it and prevent items from falling out. Then, place the power bank into the bottom slot 3 and the mobile phone into the top slot 3. Finally, rotate the knob 12 to rotate the threaded rod 11, driving the threaded rod 11... The clamping plate 9 slides to adjust the distance between the clamping plate 9 and one side of the inner wall of the placement groove 3, so that the clamping plate 9 clamps the power bank or mobile phone. Then, the charging cable is inserted into the charging port of the power bank or mobile phone. Then, the position of the positioning plate 14 is adjusted according to the length of the charging cable so that the positioning plate 14 can split the data cable into two ends. When it is necessary to adjust the position of the positioning plate 14, first slide the positioning plate 14 so that the positioning plate 14 can split the charging cable into two ends. Then rotate the rotating plate 15 to rotate it to the top side of the clamping groove 7. Then rotate the buckle plate 16 so that the buckle rod 17 and the rubber ring 18 engage in the buckle grooves at different positions to fix the position of the rotating plate 15, and then fix the position of the positioning plate 14.
[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A swivel suitcase with four independent brake wheels, characterized in that: It includes two housings (1), which are rotatably connected and fixedly connected by a zipper (6). A pull rod (4) is slidably connected inside the rear housing (1), and a rubber handle (5) is fixedly connected to the middle of the top side of the pull rod (4). Two placement slots (3) are fixedly connected to the top side of the front housing (1), and a clamping component is provided inside the placement slot (3) to fix the power bank and mobile phone. A wire clamping groove (7) is fixedly connected to the top side of the rear housing (1), and a positioning component is provided on the top side of the wire clamping groove (7) to position the charging cable.
2. A swivel-wheel suitcase with four independent brakes as described in claim 1, characterized in that: The clamping assembly includes a clamping plate (9) slidably connected inside the placement groove (3), and a rubber pad (10) is fixedly connected to one side of the clamping plate (9) and one side of the inner wall of the placement groove (3).
3. A swivel-wheel suitcase with four independent brakes according to claim 2, characterized in that: The left side of the placement groove (3) is rotatably connected to a threaded rod (11), and the left side of the clamp (9) is threadedly connected to the outer wall of the threaded rod (11).
4. A swivel-wheel suitcase with four independent brakes as described in claim 3, characterized in that: A knob (12) is rotatably connected to the left side of the front side of the placement slot (3) via a damping shaft, and the front end of the threaded rod (11) is fixedly connected to the inside of the knob (12).
5. A swivel-wheel suitcase with four independent brakes as described in claim 1, characterized in that: The positioning component includes a sliding groove formed on the top side of the clamping groove (7), a round rod (13) is fixedly connected inside the sliding groove, a positioning plate (14) is slidably connected to the outer wall of the round rod (13), and the positioning plate (14) is slidably connected inside the sliding groove.
6. A swivel-wheel suitcase with four independent brakes as described in claim 5, characterized in that: The positioning plate (14) is rotatably connected to both the front and rear sides by a rotating plate (15), and one side of the rotating plate (15) is connected to a buckle plate (16) by a torsion spring.
7. A swivel-wheel suitcase with four independent brakes as described in claim 6, characterized in that: A buckle rod (17) is fixedly connected to one side of the buckle plate (16), and a rubber ring (18) is fixedly connected to the outer wall of the buckle rod (17). Multiple buckle slots are provided on both the front and rear sides of the clamping groove (7), and the buckle rod (17) and the rubber ring (18) are engaged inside the buckle slots.
8. A swivel-wheel suitcase with four independent brakes according to claim 1, characterized in that: A net bag (2) is fixedly connected to the front side of the box (1), and casters (8) are installed on both the left and right sides of the bottom of the box (1).