High-impact-resistance draw-bar box
By designing a triangular reinforcement structure on the surface of the suitcase and using high-strength materials, the problem of easy deformation and damage of the suitcase has been solved, achieving higher impact resistance and service life, and improving aesthetics and convenience.
Patent Information
- Application Number
- CN202520514503.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing suitcases have shortcomings in impact resistance, material selection, and structural design, which makes the suitcase body prone to deformation and damage, affecting its service life and storage capacity.
The impact-resistant design employs a triangular reinforcement structure, including first, second, and third reinforcing strips and side reinforcement strips, forming a robust skeleton structure that enhances the rigidity and strength of the enclosure and disperses external impacts. Combined with the enclosure material of polycarbonate or ABS, it features a concealed retractable pull rod and caster structure.
It significantly improves the impact resistance of the suitcase, protects the contents, reduces maintenance costs, extends its service life and aesthetics, and provides the convenience of multiple carrying methods.
Smart Images

Figure CN223715177U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of draw-bar box, concretely to a high impact resistance draw-bar box. BACKGROUND
[0002] With the improvement of people's living standards and the increase of travel demand, draw-bar box has become an essential item for people's travel. However, in the process of use, draw-bar box often suffers from various external impacts, such as collision, extrusion, etc. during transportation, which may cause deformation and damage of the box body, affecting its service life and use effect.
[0003] The existing draw-bar box has some deficiencies in impact resistance structure. Some draw-bar boxes have protective mechanisms on the surface of the box body, such as the cooperation of springs and protective plates, but this design occupies the space inside the box body, affecting its storage capacity. In addition, the impact resistance structure of some draw-bar boxes is relatively complex, increasing the production cost and manufacturing difficulty. Some draw-bar boxes have insufficient impact resistance, which cannot effectively protect the items inside the box body. In terms of structural design, the impact resistance structure of some draw-bar boxes is not reasonable enough, which cannot effectively disperse and absorb external impact, causing the box body to deform and damage easily when impacted. In summary, the draw-bar box in the prior art still has some problems in impact resistance, material selection and structural design, which need to be further improved and optimized. SUMMARY
[0004] To solve the above technical problems, the utility model relates to a high impact resistance draw-bar box, which is simple and reliable in structure, effectively solves the above technical problems, and is suitable for popularization and use. In order to achieve the above purpose, the utility model realizes the following technical scheme:
[0005] A high impact resistance draw-bar box, comprising a box body, an impact resistance structure is provided on the outer surface of the box body, the impact resistance structure comprises a first reinforcing strip, a second reinforcing strip, a third reinforcing strip and a side reinforcing strip, the first reinforcing strip, the second reinforcing strip and the third reinforcing strip cover the front and rear surfaces of the box body, the first reinforcing strip is arranged in the transverse direction, a plurality of first reinforcing strips are arranged uniformly in the up-down direction, the second reinforcing strip and the third reinforcing strip are arranged obliquely, a plurality of second reinforcing strips are arranged parallel to each other, and a plurality of third reinforcing strips are arranged parallel to each other, the first reinforcing strip, the second reinforcing strip and the third reinforcing strip are staggered to form a triangular reinforcing structure, the left and right side surfaces of the box body are provided with side reinforcing strips, a plurality of side reinforcing strips are arranged uniformly in the up-down direction, and the end portions of the first reinforcing strip, the second reinforcing strip and the third reinforcing strip extend to the side surface of the box body and converge with the side reinforcing strips.
[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the included angle between the second reinforcing strip and the first reinforcing strip is sixty degrees, the included angle between the second reinforcing strip and the third reinforcing strip is also sixty degrees, and the triangular reinforcing structure is an equilateral triangle.
[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the side reinforcing strip is rectangular and has a width greater than that of the first, second and third reinforcing strips.
[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: a recess is arranged at the rear side of the box body, and a retractable pull rod is arranged in the recess.
[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: a handle is further included, left and right symmetrical fixed clamping seats are arranged at the top of the box body, both ends of the handle are mounted on the fixed clamping seats, and the middle part of the handle is upwardly protruding in a circular arc shape.
[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: the box body is made of polycarbonate material or ABS material or PP material.
[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: a foot wheel is arranged at the bottom of the box body, the foot wheel comprises a mounting seat, a supporting frame and a wheel body, the mounting seat is used for abutting against the box body, the supporting frame is rotatably arranged below the mounting seat, two wheel bodies are symmetrically arranged at two sides of the supporting frame and are connected through a rotating shaft, an axle mounting portion is arranged in the wheel body, triangular connecting pieces are arranged between the wheel body and the axle mounting portion, a plurality of the triangular connecting pieces are sequentially connected and are uniformly arranged in a circumferential direction, and a cover is further arranged outside the wheel body.
[0012] The box body surface forms a triangular reinforcing structure, which is equivalent to forming a firm framework structure on the surface of the box body, enhances the overall rigidity and strength of the box body, can effectively disperse external force impact to the entire surface of the box body, avoids local excessive stress to cause the box body 1 to be deformed or damaged, and thus significantly improves the impact resistance of the pull rod box. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a schematic view of the overall structure of the box body;
[0014] Figure 2 is a schematic view of the structure of the foot wheel. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments. However, the following specific embodiments and examples are only for illustrative purposes, and are not intended to limit the present application.
[0016] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the drawings shown and is only for the purpose of facilitating the description of the present application, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Figure 1
[0017] In the description of the present application, the terms "first", "second" and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated.
[0018] In order to solve the above technical problems, as shown in the drawings, the present application designs a high-impact-resistant pull rod box, which comprises a box body 1, an impact-resistant structure is arranged on the outer surface of the box body 1, the impact-resistant structure comprises a first reinforcing strip 2, a second reinforcing strip 3, a third reinforcing strip 4 and a side reinforcing strip 5, the first reinforcing strip 2, the second reinforcing strip 3 and the third reinforcing strip 4 are arranged on the front and rear surfaces of the box body 1, the first reinforcing strip 2 is arranged in the transverse direction, a plurality of first reinforcing strips 2 are arranged uniformly in the up-down direction, the second reinforcing strip 3 and the third reinforcing strip 4 are arranged obliquely, a plurality of second reinforcing strips 3 are arranged parallel to each other, a plurality of third reinforcing strips 4 are arranged parallel to each other, the first reinforcing strip 2, the second reinforcing strip 3 and the third reinforcing strip 4 are staggered to form a triangular reinforcing structure, which is equivalent to forming a firm framework structure on the surface of the box body 1, thereby enhancing the overall rigidity and strength of the box body 1, and effectively dispersing external impact to the entire surface of the box body 1, thereby avoiding local overloading and causing the box body 1 to deform or be damaged, thereby significantly improving the impact resistance of the pull rod box. Figures 1-2 The left and right side surfaces of the box body 1 are provided with side reinforcing strips 5, a plurality of side reinforcing strips 5 are arranged uniformly in the up-down direction, and the end portions of the first reinforcing strip 2, the second reinforcing strip 3 and the third reinforcing strip 4 extend to the side surface of the box body 1 and converge with the side reinforcing strips 5, thereby enhancing the stability of the side surface of the box body 1 and preventing the box body 1 from deforming or twisting when subjected to lateral impact, and the front and rear surfaces and the side surface of the entire box body 1 form an organic whole, thereby further improving the stability and impact resistance of the box body 1.
[0019]
[0020] The design of the anti-impact structure can effectively protect the articles inside the box 1, reduce the damage of the articles caused by external impact, and reduce the maintenance and replacement cost of the box 1 itself.
[0021] It is further preferred in the embodiment that the included angle between the second reinforcing strip 3 and the first reinforcing strip 2 is sixty degrees, the included angle between the second reinforcing strip 3 and the third reinforcing strip 4 is also sixty degrees, and the triangular reinforcing structure is an equilateral triangle. The equilateral triangle has good mechanical properties and can uniformly disperse and withstand external impact. In addition, the equilateral triangle has certain symmetry and regularity, which can add beauty to the appearance design of the box 1, not only has practical function, but also can improve the overall appearance of the trolley case, making it more attractive.
[0022] It is further preferred in the embodiment that the side reinforcing strip 5 is rectangular and has a width greater than that of the first reinforcing strip 2, the second reinforcing strip 3 and the third reinforcing strip 4. The wider side reinforcing strip 5 can provide stronger protection for the side of the box 1, preventing the side of the box 1 from being deformed or damaged when subjected to impact or extrusion.
[0023] It is further preferred in the embodiment that the rear side of the box 1 is provided with a recess, and the retractable trolley 6 is arranged in the recess. The design of the recess can provide a stable mounting position for the retractable trolley 6. This design can hide the trolley in the recess when not in use, making the appearance of the box 1 more neat and beautiful, and preventing the trolley from being damaged when not in use.
[0024] It is further preferred in the embodiment that the box 1 further comprises a handle 7, the top of the box 1 is provided with left-right symmetrical fixed clamping seats 8, and the two ends of the handle 7 are mounted on the fixed clamping seats 8. The middle part of the handle 7 is upwardly convex in a circular arc shape. This design conforms to the principle of ergonomics and can better fit the hand curve of the user. The handle 7 provides another way for the user to carry the trolley case. When the user does not need to use the trolley, the trolley case can be easily lifted by the handle 7, increasing the flexibility and convenience of use.
[0025] It is further preferred in the embodiment that the box 1 is made of polycarbonate material or ABS material or PP material, which has high strength and good impact resistance, as well as good corrosion resistance and aging resistance. It can effectively protect the articles inside the box 1 from damage caused by external impact, and improve the safety and reliability of the trolley case.
[0026] Further preferably in the embodiment, the bottom of the box 1 is provided with a caster 9, the caster 9 comprises a mounting seat 91, a support frame 92 and a wheel body 93, the mounting seat 91 is used to be connected with the box 1, the support frame 92 is rotatably arranged below the mounting seat 91, two wheel bodies 93 are symmetrically arranged on both sides of the support frame 92 and connected through a rotating shaft, the wheel body 93 is internally provided with a wheel shaft mounting portion 94, a triangular connecting piece 95 is arranged between the wheel body 93 and the wheel shaft mounting portion 94, a plurality of triangular connecting pieces 95 are sequentially connected and uniformly arranged around the circumferential direction, the structure design can enhance the carrying capacity and impact resistance of the wheel body 93, so that the caster 9 can better bear the weight of the trolley case and external force impact, the outer side of the wheel body 93 is further provided with a cover, which is more beautiful and can hide the inside of the wheel body 93, which is helpful to keep the appearance of the trolley case clean.
[0027] Further preferably in the embodiment, one side of the box 1 is further provided with a password lock 10, the way of using the password lock 10 to control the opening and closing of the luggage is more convenient and safer.
[0028] The above embodiment is only a preferred embodiment of the present application, and does not limit the protection scope of the present application, therefore: equivalent changes made by the person skilled in the art according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.
Claims
1. A high-impact-resistant draw- handle case characterized by: The utility model provides an anti-impact box, including box, the outer surface of box is equipped with anti-impact structure, the anti-impact structure includes first reinforcing strip, second reinforcing strip, third reinforcing strip, side reinforcing strip, first reinforcing strip, second reinforcing strip, third reinforcing strip cover the front and back surface of box, first reinforcing strip sets up along the transverse, and a plurality of first reinforcing strips are evenly arranged in the interval, second reinforcing strip, third reinforcing strip are all inclined arrangement, a plurality of second reinforcing strips are arranged in parallel with each other, a plurality of third reinforcing strips are arranged in parallel with each other, first reinforcing strip and second reinforcing strip and third reinforcing strip are staggered and form triangle reinforcing structure after, the left and right side surface of box is equipped with side reinforcing strip, a plurality of side reinforcing strips are evenly arranged in the interval along the up and down, the end of first reinforcing strip, second reinforcing strip and third reinforcing strip extends to the side of box and converges with side reinforcing strip.
2. A high-impact pole case according to claim 1, characterized in that: The included angle between the second reinforcing strip and the first reinforcing strip is sixty degrees, and the included angle between the second reinforcing strip and the third reinforcing strip is also sixty degrees, and the triangle reinforcing structure is an equilateral triangle.
3. A high-impact pole case according to claim 1, characterized in that: The side reinforcing strip is rectangular and its width is greater than the width of the first reinforcing strip, the second reinforcing strip and the third reinforcing strip.
4. A high-impact pole case according to claim 1, characterized in that: The rear side of the box is provided with a groove, and the groove is provided with a retractable pull rod.
5. A high-impact pole case according to claim 1, characterized in that: The box further includes a handle, the top of the box is provided with left-right symmetrical fixed seats, both ends of the handle are mounted on the fixed seats, and the middle part of the handle is upwardly convex in a circular arc shape.
6. A high-impact pole case according to claim 1, characterized in that: The box is made of polycarbonate material or ABS material or PP material.
7. A high-impact pole case according to claim 1, characterized in that: The bottom of the box is provided with a caster, the caster includes a mounting seat, a support frame and a wheel body, the mounting seat is used for abutting with the box, the support frame is rotatably arranged below the mounting seat, two wheel bodies are symmetrically arranged on both sides of the support frame and connected through a rotating shaft, the wheel body is internally provided with a wheel shaft mounting portion, a triangular connecting piece is arranged between the wheel body and the wheel shaft mounting portion, a plurality of triangular connecting pieces are sequentially connected and evenly arranged in the circumferential direction, and the wheel body is further provided with a shell on the outside.