Draw-bar box with good compression resistance effect
The luggage bag's central support structure and buffer mechanism enhance its resistance to pressure-induced deformation, preventing damage and maintaining appearance.
Patent Information
- Application Number
- CN202422563116.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The center of the box cover of the existing trolley box is not reinforced and is easily pressed down, causing damage to internal items and causing economic losses.
The first arc-shaped support seat and the corresponding second support seat are arranged at the center of the box cover, and the support capacity of the box cover is enhanced by the cooperation of the buffer assembly and the support structure, and the compression resistance is improved by using aluminum alloy material and anti-scratch coating.
Effectively prevent the box cover from deforming, avoid damage, improve the compressive performance of the trolley box and maintain its beauty.
Smart Images

Figure CN223094984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of luggage, in particular to a trolley case with good compressive resistance effect. Background Art
[0002] A trolley case refers to a luggage with a pull rod and rollers. Because of its convenience in use, it is widely used for carrying clothes and other items when traveling or going out. At the same time, for a trolley case with a pull rod, there are single-tube pull rods and double-tube pull rods, and the tubes of the pull rods are also divided into square tubes and round tubes, which is convenient to drag when walking and greatly reduces the burden.
[0003] The existing Chinese patent CN209449942U discloses a compressive-resistant trolley case, which can be efficiently telescoped and fixed by arranging a plurality of fixed bullet heads at the side edge of the upper cover and concave holes at the side edge of the trolley case body to avoid compression deformation.
[0004] However, the above trolley case only strengthens the edge position of the box body, and the center position of the box cover is not strengthened, and it is still easy to be pressed down. Especially when the center position of the box cover is squeezed by other external objects, the box cover squeezes the personal items inside, which may cause the personal items inside the box body to be damaged and cause personal economic losses.
[0005] Therefore, it is necessary to develop a trolley case with good compressive resistance effect for the above defects. Summary of the Utility Model
[0006] The purpose of the utility model is to provide a trolley case with good compressive resistance effect to solve the problem that the center position of the box cover is not strengthened and is easy to be pressed down, resulting in personal economic losses.
[0007] To solve the above technical problems, the utility model adopts the following technical solutions:
[0008] A trolley case with good compressive resistance effect of the utility model includes:
[0009] A box body, a handle is installed on one side of the box body, and a plurality of universal wheels are arranged in an array at the bottom of the box body; the top of the box body is hinged with a box cover;
[0010] An arc-shaped first support seat, the first support seat is arranged at the center of the box cover, both ends of the first support seat are respectively connected with the two side walls of the box cover, and the top of the first support seat is connected with the top of the box cover; a support structure for auxiliary support is arranged on one side of the first support seat close to the top of the box cover;
[0011] A second support base correspondingly arranged below the first support base, with both ends of the second support base connected to the two side walls of the box cover respectively, and a buffer component is arranged between the first support base and the second support base.
[0012] Furthermore, a groove is provided at the center of the second support base.
[0013] Furthermore, the buffer component includes:
[0014] A hinge seat fixedly connected to the top of the first support base;
[0015] Two sliders symmetrically arranged at the bottom of the groove, and the two sliders are respectively connected to the side walls of the groove through compression springs, and the bottoms of the two sliders are slidably connected to the bottom of the groove;
[0016] Both ends of the hinge seat are respectively hinged to the two sliders through hinge rods.
[0017] Furthermore, anti-scratch coatings are applied to the outer surfaces of the box body and the box cover.
[0018] Furthermore, the support structure is arranged longitudinally along the length direction of the inner cavity of the box cover. The cross-section of the support structure is a serrated bent plate. The bottom of the support structure is connected to the first support base, and the top of the support structure is connected to the top wall of the inner cavity of the box cover.
[0019] The utility model has the following beneficial effects:
[0020] By adopting anti-scratch coatings on the outer surfaces of the box cover and the box body, the trolley case is not easily scratched, avoiding scratches from affecting the appearance of the trolley case; by using aluminum alloy material to make the box body and the box cover, and through the cooperation of the first support base, the second support base and the buffer component in the box cover, when a heavy object presses on the middle position of the box cover, it can form good support for the box cover, avoiding deformation and damage of the box cover, and improving the compressive performance of the trolley case. Description of the Drawings
[0021] The following further describes the present utility model in conjunction with the drawings.
[0022] Figure 1 It is a three-dimensional structure diagram of the trolley case with good compressive effect of the present utility model;
[0023] Figure 2 It is a front view structure diagram of the trolley case with good compressive effect of the present utility model;
[0024] Figure 3 It is a top view structural sectional view of the trolley case with good compressive effect of the present utility model.
[0025] Reference numerals: 1. box body; 2. pull rod; 3. universal wheel; 4. support plate; 5. first support seat; 6. buffer assembly; 601. hinge seat; 602. hinge rod; 603. slider; 604. compression spring; 7. second support seat; 701. groove; 8. box cover. Detailed implementation manners
[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0027] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0028] Embodiment 1
[0029] Please refer to Figures 1-3 , the present invention provides a technical solution: a trolley case with good compressive effect, including: a box body 1 made of aluminum alloy with high strength, and the outer surface of the box body 1 is coated with an anti-scratch coating made of AF nano-coating, which has good wear resistance and anti-scratch performance. A handle is installed on one side of the box body 1, and a plurality of universal wheels 3 are arranged in an array at the bottom of the box body 1; the box cover 8 is hinged to the top of the box body 1; the box cover 8 is made of aluminum alloy with high strength, and the outer surface of the box cover 8 is coated with an anti-scratch coating, having good anti-scratch performance.
[0030] An arc-shaped first support seat 5 is arranged at the center of the box cover 8. Both ends of the first support seat 5 are respectively connected to the two side walls of the box cover 8, and the top of the first support seat 5 is connected to the top of the box cover 8; a support structure 4 for auxiliary support is connected between the first support seat 5 and the top of the box cover 8. The support structure 4 is arranged along the length direction of the inner cavity of the box cover 8 in a continuous manner. The cross-section of the support structure 4 is a serrated bent plate. The bottom of the support structure 4 is connected to the first support seat 5, and the top of the support structure 4 is connected to the top wall of the inner cavity of the box cover 8.
[0031] A second support seat 7 corresponding to the lower part of the first support seat 5. Both ends of the second support seat 7 are respectively connected to the two side walls of the box cover 8, and a buffer assembly 6 is arranged between the first support seat 5 and the second support seat 7.
[0032] Compared with the prior art, in the present utility model, anti-scratch coatings are adopted on the outer surfaces of the box cover 8 and the box body 1, making the trolley case not easily scratched and avoiding scratches from affecting the appearance of the trolley case; by using aluminum alloy material to make the box body 1 and the box cover 8, and through the cooperation of the first support seat 5, the second support seat 7 and the buffer assembly 6 inside the box cover 8, when a heavy object presses on the middle position of the box cover 8, a good support can be formed for the box cover 8, avoiding deformation and damage of the box cover 8, and improving the compressive performance of the trolley case.
[0033] Embodiment Two
[0034] Please refer to Figures 1-3 , based on Embodiment One, the present utility model provides a technical solution: a groove 701 is provided at the center of the second support seat 7.
[0035] In this embodiment, the buffer assembly 6 includes: a hinge seat 601 fixedly connected to the top of the first support seat 5; two sliders 603 symmetrically arranged at the bottom of the groove 701, the two sliders 603 are respectively connected to the side walls of the groove 701 through compression springs 604, and the bottoms of the two sliders 603 are slidably connected to the bottom of the groove 701; both ends of the hinge seat 601 are respectively hinged to the two sliders 603 through hinge rods 602.
[0036] When a heavy object presses on the box cover 8, the box cover 8 squeezes the support structure 4, the support structure 4 squeezes the first support seat 5, the first support seat 5 squeezes the hinge seat 601, the hinge seat 601 squeezes the two sliders 603 to move towards both sides respectively and squeeze the compression springs 604, buffering the applied extrusion force, forming a good support for the box cover 8, avoiding deformation and damage of the box cover 8, and improving the compressive performance of the trolley case.
[0037] Embodiment Three
[0038] This embodiment provides a usage method of a trolley case with good compressive effect, which is the usage method of the trolley case with good compressive effect provided in Embodiment One or Embodiment Two, specifically as follows:
[0039] When a heavy object presses on the middle position of the box cover 8, the box cover 8 squeezes the support structure 4, the support structure 4 squeezes the first support seat 5, the first support seat 5 squeezes the hinge seat 601, the hinge seat 601 squeezes the two sliders 603 to move towards both sides respectively and squeeze the compression springs 604, buffering the applied extrusion force, and at the same time, the cooperation of the first support seat 5, the second support seat 7 and the buffer assembly 6 forms a good support for the box cover 8, avoiding deformation and damage of the box cover 8, and improving the compressive performance of the trolley case.
[0040] In this specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the various embodiments, reference can be made to each other. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple. For the relevant parts, reference can be made to the description in the method section.
[0041] The above-described embodiments are only descriptions of the preferred modes of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.
Claims
1. A luggage case with good compressive effect, characterized in that, Including: A box body (1), a handle is installed on one side of the box body (1), and universal wheels (3) are arranged at the bottom of the box body (1); a box cover (8) is hinged to the top opening of the box body (1); An arc-shaped first support seat (5), the first support seat (5) is arranged at the center of the box cover (8), both ends of the first support seat (5) are respectively connected to the two side walls of the box cover (8), and the top of the first support seat (5) is connected to the top of the box cover (8); a support structure (4) for auxiliary support is arranged on one side of the first support seat (5) close to the top of the box cover (8); A second support seat (7) correspondingly arranged below the first support seat (5), both ends of the second support seat (7) are respectively connected to the two side walls of the box cover (8), and a buffer assembly (6) is arranged between the first support seat (5) and the second support seat (7).
2. The trolley case with good compressive effect according to claim 1, characterized in that, A groove (701) is opened at the center of the second support seat (7).
3. The suitcase with good compressive resistance according to claim 2, wherein The buffer assembly (6) includes: A hinge seat (601) fixedly connected to the top of the first support seat (5); Two sliders (603) symmetrically arranged at the bottom of the groove (701), the two sliders (603) are respectively connected to the side walls of the groove (701) through compression springs (604), and the bottoms of the two sliders (603) are both slidably connected to the bottom of the groove (701); Both ends of the hinge seat (601) are respectively hinged to the two sliders (603) through hinge rods (602).
4. The trolley case with good compressive effect according to claim 1, characterized in that, Anti-scratch coatings are applied to the outer surfaces of the box body (1) and the box cover (8).
5. The trolley case with good compressive effect according to claim 1, characterized in that, The support structure (4) is arranged longitudinally along the length direction of the inner cavity of the box cover (8), the cross-section of the support structure (4) is a serrated bent plate, the bottom of the support structure (4) is connected to the first support seat (5), and the top of the support structure (4) is connected to the top wall of the inner cavity of the box cover (8).
Citation Information
Patent Citations
Compression-resistant draw-bar box
CN209449942U