Middle-mounted draw-bar box
Patent Information
- Application Number
- CN202522289702.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-29
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-10-29
AI Technical Summary
当前市场中的中置式拉杆箱产品普遍存在一个显著短板,未配备专门的防护结构;这一设计缺陷直接导致其在日常使用过程中,一旦遭遇碰撞就极易出现损坏,不仅影响正常使用体验,还会大幅缩短产品的整体使用寿命
[0014]具体的,所述第一防护杆远离箱体一侧垂直插接有用于安装侧板的定位柱,所述侧板一侧设有供定位柱穿过的插孔,所述定位柱远离第一防护杆一端设有与第二螺栓相适配的螺纹孔,所述第二螺栓一端穿过垫片与定位柱一端螺纹连接。
Smart Images

Figure CN224819843U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of trolley case technology, specifically to a centrally mounted trolley case. Background Technology
[0002] A suitcase, also known as a travel bag or rolling case, is a box carried when traveling to store belongings; it is a type of luggage. Suitcases are typically used to store clothing, personal care items, and souvenirs needed for a trip. The sizes of suitcases on the market are generally based on the standard dimensions of carry-on baggage (hand baggage) and checked baggage (checked baggage) as specified by airlines (International Air Transport Association).
[0003] Rolling suitcases can be categorized into hard-shell and soft-shell suitcases based on their outer shell. Soft-shell suitcases are generally lighter and offer more flexible capacity than hard-shell suitcases. Hard-shell rolling suitcases are more durable and suitable for luggage requiring greater protection. Currently, most mid-mounted rolling suitcases on the market have a significant drawback: they lack dedicated protective structures. This design flaw makes them highly susceptible to damage from impacts during daily use, affecting not only the user experience but also significantly shortening the product's overall lifespan.
[0004] Therefore, we propose a centrally mounted trolley case. Utility Model Content
[0005] The main purpose of this utility model is to provide a centrally mounted trolley case that constructs a multi-layered protection system through protective components. The protective frame is fixed inside the case by positioning plates and locking bolts, resulting in high connection strength and effectively resisting the risk of loosening caused by external impacts. The right-angle layout of the first and second protective bars covers the sides and edges of the case, dispersing external impact forces. The design of corner sleeves and protective components specifically protects the vulnerable corners of the case, and the addition of buffer pads further weakens the collision energy, effectively solving the problems in the prior art.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] A centrally mounted trolley case includes a case body and a protective assembly. The case body is a vertically arranged rectangular structure. The outer side of the case body has an embedded groove for installing the protective assembly. The protective assembly includes a protective frame, side panels, a first protective rod, a second protective rod, corner sleeves, protective parts, hooks, a sealing cover, a positioning plate, locking bolts, a second bolt, a positioning post, and a buffer pad. The protective frame is a vertically arranged rectangular frame structure with a cavity inside. The protective frame is vertically embedded in the embedded groove. The side of the protective frame away from the embedded groove has a groove for installing the first and second protective rods. The side of the protective frame away from the embedded groove has a sealing cover fastened at the location of the groove.
[0008] The first and second protective rods are provided in multiple sets, and the first and second protective rods are arranged at right angles. The multiple sets of the first and second protective rods are integrally formed. The side plate is located on the upper part of the box body near the embedded groove, and one side of the side plate is snapped into the first protective rod.
[0009] By adopting the above technical solution, a multi-layered protection system is constructed through protective components. The protective frame provides basic framework protection for the outside of the enclosure. The protective frame is fixed inside the enclosure by positioning plates and locking bolts, with high connection strength, which can effectively resist the risk of loosening caused by external impact. The right-angle layout of the first and second protective rods can cover the sides and edges of the enclosure, dispersing external impact force. Moreover, the first and second protective rods adopt an integrated molding design, which has better structural stability than split assembly and reduces the probability of parts falling off. The design of corner sleeves and protective parts is used to specifically protect the vulnerable corners of the enclosure, and the buffer pads further weaken the collision energy.
[0010] Specifically, the upper two ends of the protective frame near the embedded groove are fixedly snapped with corner sleeves, and two sets of corner sleeves are provided opposite each other. The two sets of corner sleeves are fastened to the upper two corners of the box body. The lower part of the protective frame near the sealing cover is fixedly snapped with protective components at both ends, and two sets of protective components are provided opposite each other.
[0011] Specifically, the protective component has an L-shaped structure, with the end of the protective component away from the protective frame located at both ends of the box. The corner sleeve and the side of the protective component away from the protective frame are all fixedly glued with cushioning pads.
[0012] Specifically, the side panel near the box body has a slot that matches the first protective rod, and a hook is fixedly connected to the center of the side panel away from the first protective rod.
[0013] Specifically, a positioning plate is installed inside the box at the position corresponding to the protective frame by locking bolts. One end of the locking bolt passes through the positioning plate and is threaded to one side of the protective frame.
[0014] Specifically, a positioning post for installing a side plate is vertically inserted into the side of the first protective rod away from the box body. The side plate has an insertion hole for the positioning post to pass through. The end of the positioning post away from the first protective rod has a threaded hole that matches the second bolt. One end of the second bolt passes through a washer and is threadedly connected to one end of the positioning post.
[0015] The beneficial effects of this utility model are as follows: The centrally mounted trolley case of this utility model constructs a multi-layered protective system through protective components. The protective frame provides basic framework protection for the outer side of the case. The protective frame is fixed inside the case by positioning plates and locking bolts, with high connection strength, which can effectively resist the risk of loosening caused by external impact. The right-angle layout of the first and second protective bars can cover the sides and edges of the case, dispersing external impact force. Moreover, the first and second protective bars adopt an integrated molding design, which has better structural stability than split assembly and reduces the probability of parts falling off. The design of corner sleeves and protective parts specifically protects the vulnerable corners of the case, and the buffer pads further weaken the collision energy. The detachable connection between the side panel and the first protective bar enables stable installation of hooks, allowing users to hang small items such as keys, shopping bags, and water cups at any time, meeting the flexible needs of daily use and improving the practicality and convenience of the trolley case. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a perspective view of the protective component of this utility model;
[0019] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the middle;
[0020] In the diagram: 1. Box body; 2. Protective components; 3. Protective frame; 4. Embedded groove; 5. Side plate; 6. First protective rod; 7. Second protective rod; 8. Corner sleeve; 9. Protective component; 10. Hook; 11. Sealing cover; 12. Positioning plate; 13. Locking bolt; 14. Second bolt; 15. Positioning post; 16. Slot; 17. Insertion hole; 18. Buffer pad. Detailed Implementation
[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0022] As one embodiment of this utility model, such as Figures 1-3As shown, the centrally mounted trolley case of this utility model includes a case body 1 and a protective component 2. The case body 1 is a vertically arranged rectangular structure. The outer side of the case body 1 is provided with an embedding groove 4 for installing the protective component 2. The protective component 2 includes a protective frame 3, a side plate 5, a first protective rod 6, a second protective rod 7, a corner sleeve 8, a protective piece 9, a hook 10, a sealing cover 11, a positioning plate 12, a locking bolt 13, a second bolt 14, a positioning post 15, and a buffer pad 18. The protective frame 3 is a vertically arranged rectangular frame structure. The protective frame 3 has a cavity inside. The protective frame 3 is vertically embedded in the embedding groove 4. The side of the protective frame 3 away from the embedding groove 4 is provided with a groove for installing the first protective rod 6 and the second protective rod 7. The side of the protective frame 3 away from the embedding groove 4 is fitted with a sealing cover 11 at the location of the groove.
[0023] The first protective rod 6 and the second protective rod 7 are provided in multiple sets. The first protective rod 6 and the second protective rod 7 are arranged at right angles. The multiple sets of the first protective rod 6 and the second protective rod 7 are integrally formed. The side plate 5 is located on the upper part of the box body 1 near the embedded groove 4. One side of the side plate 5 is snapped with the first protective rod 6.
[0024] When the suitcase is in use, the protective frame 3, the first protective bar 6, and the second protective bar 7 on the outside of the suitcase 1 will first bear the impact of the external force, preventing the suitcase 1 from being directly damaged; while the corner sleeves 8, protective parts 9, and the surface cushioning pads 18 can further absorb the impact energy and reduce the impact force on the corners of the suitcase 1; if you need to hang items, you can directly hang the items on the hooks 10 on the side panel 5, without having to carry extra hooks or occupy the space inside the suitcase.
[0025] The present invention also includes that the upper two ends of the protective frame 3 near the embedded groove 4 are fixedly snapped with corner sleeves 8, and two sets of corner sleeves 8 are provided opposite each other. The two sets of corner sleeves 8 are fastened to the upper two corners of the box body 1. The lower part of the protective frame 3 near the sealing cover 11 is fixedly snapped with protective components 9 at both ends, and two sets of protective components 9 are provided opposite each other.
[0026] This utility model also includes that the protective component 9 has an L-shaped structure, and the end of the protective component 9 away from the protective frame 3 is located at both ends of the box body 1. The corner sleeve 8 and the side of the protective component 9 away from the protective frame 3 are both fixedly glued with buffer pads 18.
[0027] The present invention also includes a slot 16 adapted to the first protective rod 6 on the side of the side plate 5 near the box body 1, and a hook 10 fixedly connected at the center of the side plate 5 away from the first protective rod 6.
[0028] This utility model also includes a positioning plate 12 installed inside the box 1 at the position corresponding to the protective frame 3 by a locking bolt 13, one end of the locking bolt 13 passing through the positioning plate 12 and threadedly connected to one side of the protective frame 3.
[0029] The present invention also includes a positioning post 15 for installing a side plate 5, which is vertically inserted into the side of the first protective rod 6 away from the box body 1. The side plate 5 is provided with an insertion hole 17 for the positioning post 15 to pass through. The end of the positioning post 15 away from the first protective rod 6 is provided with a threaded hole that matches the second bolt 14. One end of the second bolt 14 passes through a washer and is threadedly connected to one end of the positioning post 15.
[0030] In use, the protective frame 3, which is equipped with corner sleeves 8, protective parts 9, first protective rods 6, and second protective rods 7, is vertically embedded into the embedding groove 4 on the outside of the box body 1. The protective frame 3 is located on one side of the box body 1. From the inside of the box body 1, corresponding to the position of the protective frame 3, the positioning plate 12 is attached to the inner wall of the box body 1. The locking bolts 13 are passed through the reserved holes of the positioning plate 12 in sequence, and precisely aligned with the threaded holes on one side of the protective frame 3 and tightened. Through the cooperation of the positioning plate 12 and the locking bolts 13, the protective frame 3 can be firmly fixed to one side of the box body 1. The two sets of corner sleeves 8 are just fastened at the two corners of the upper part of the box body 1. At the same time, ensure that the end of the protective part 9 away from the protective frame 3 extends to the lower two ends of the box body 1. Apply adhesive evenly and attach the buffer pad 18 on the side of the corner sleeves 8 and the protective part 9 away from the protective frame 3.
[0031] Align the slot 16 on the side panel 5 with the hook 10 near the side of the case 1 with the first protective rod 6 and snap it in place, ensuring that the slot 16 and the first protective rod 6 are fully fitted. At the same time, one end of the positioning post 15 passes through the pre-set insertion hole 17 on the side panel 5, and one end of the second bolt 14 passes through the washer and aligns with the threaded hole at the end of the positioning post 15 and tightens it to achieve a stable connection between the side panel 5 and the first protective rod 6. The hook 10 on the side of the side panel 5 away from the first protective rod 6 can be used directly to hang small items (such as keys, carrying bags, etc.). In daily use, when the suitcase is hit, the protective frame 3, the first protective rod 6, and the second protective rod 7 on the outside of the case 1 will first bear the impact of the external force, avoiding direct damage to the case 1. The corner sleeve 8, the protective part 9, and the surface buffer pad 18 can further absorb the impact energy and reduce the impact force on the corners of the case 1. If you need to hang items, you can directly hang the items on the hook 10 on the side panel 5 without having to carry additional hooks or occupy space inside the case.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A centrally mounted trolley case, characterized in that, The package includes a housing (1) and a protective component (2). The housing (1) is a vertically arranged rectangular structure. The outer side of the housing (1) is provided with an embedding groove (4) for installing the protective component (2). The protective component (2) includes a protective frame (3), a side plate (5), a first protective rod (6), a second protective rod (7), a corner sleeve (8), a protective piece (9), a hook (10), a sealing cover (11), a positioning plate (12), a locking bolt (13), a second bolt (14), a positioning post (15), and a buffer pad (18). The protective frame (3) is a vertically arranged rectangular frame structure. The protective frame (3) has a cavity inside. The protective frame (3) is vertically embedded in the embedding groove (4). The protective frame (3) has a groove on the side away from the embedding groove (4) for installing the first protective rod (6) and the second protective rod (7). The protective frame (3) has a sealing cover (11) fastened at the location of the groove on the side away from the embedding groove (4). The first protective rod (6) and the second protective rod (7) are provided in multiple sets. The first protective rod (6) and the second protective rod (7) are arranged at right angles. The multiple sets of the first protective rod (6) and the second protective rod (7) are integrally formed. The side plate (5) is located on the upper part of the box body (1) near the embedded groove (4). One side of the side plate (5) is snapped with the first protective rod (6).
2. The centrally mounted trolley case according to claim 1, characterized in that, The protective frame (3) has corner sleeves (8) fixedly snapped at both ends of the upper part of the side near the embedded groove (4). Two sets of corner sleeves (8) are provided opposite each other, and the two sets of corner sleeves (8) are fastened to the upper two corners of the box body (1). The protective frame (3) has protective parts (9) fixedly snapped at both ends of the lower part of the side near the sealing cover (11). Two sets of protective parts (9) are provided opposite each other.
3. The centrally mounted trolley case according to claim 2, characterized in that, The protective component (9) has an L-shaped structure. The end of the protective component (9) away from the protective frame (3) is located at both ends of the box body (1). The corner sleeve (8) and the protective component (9) away from the protective frame (3) are both fixedly glued with buffer pads (18).
4. The centrally mounted trolley case according to claim 1, characterized in that, The side plate (5) is provided with a slot (16) that is compatible with the first protective rod (6) on the side closer to the box body (1), and a hook (10) is fixedly connected to the side plate (5) away from the first protective rod (6) in the center.
5. The centrally mounted trolley case according to claim 1, characterized in that, The housing (1) is equipped with a positioning plate (12) inside the corresponding position of the protective frame (3) by a locking bolt (13). One end of the locking bolt (13) passes through the positioning plate (12) and is threaded to one side of the protective frame (3).
6. The centrally mounted trolley case according to claim 1, characterized in that, The first protective rod (6) has a positioning post (15) for installing the side plate (5) vertically inserted on the side away from the box (1). The side plate (5) has an insertion hole (17) for the positioning post (15) to pass through. The positioning post (15) has a threaded hole that matches the second bolt (14) at the end away from the first protective rod (6). One end of the second bolt (14) passes through a washer and is threadedly connected to one end of the positioning post (15).