Supporting structure of box shell

Abstract

The utility model discloses a supporting structure of a box shell, which changes the shape of the bottom wall of the box shell, is provided with a wave-shaped bulge, reinforces the bottom wall and has a better supporting effect. A supporting structure of a box shell comprises the box shell, and the bottom wall of the box shell protrudes inwards to form a wavy face. The wavy surface comprises first cambered surface strips with the edges of the two ends protruding inwards for transition, the sections of the first cambered surface strips are curved surfaces and obliquely protruding upwards, continuous second cambered surface strips are arranged between the two first cambered surface strips, and the sections of the second cambered surface strips are cambered surfaces and upwards protruding; the adjacent second arc-shaped strips are connected through arc-shaped strips; the length of the wave surface accounts for two fifths to three fifths of the length of the bottom wall of the box shell, and the width of the wave surface accounts for three fifths to four fifths of the width of the bottom wall of the box shell.

Description

Technical Field

[0001] The utility model belongs to the technical field of luggage boxes, and in particular relates to a supporting structure of a box shell. Background Art

[0002] A suitcase is a box used to store belongings when traveling. Its outer shell is typically made of hard plastic or fabric. Materials are gradually trending toward lightweight hard plastic. Hard-shell suitcases are more resistant to impact and are suitable for luggage that requires greater protection.

[0003] When a suitcase is being towed, it is in an upright position, and the items inside the suitcase are all weighted downward, concentrated and stacked on the bottom of the outer shell. The bottom of the outer shell is currently flat, which has limited support and is prone to collapse under long-term stress. Summary of the Invention

[0004] In view of the shortcomings of the above background technology, the purpose of the present invention is to provide a support structure for a box shell, which changes the shape of the bottom wall of the box shell, convexly sets a wavy surface, reinforces the bottom wall, and has a better supporting effect.

[0005] In order to solve the above technical problems, the purpose of this utility model is achieved as follows:

[0006] A box shell supporting structure comprises a box shell, wherein the bottom wall of the box shell is convex inwardly to form a wave surface;

[0007] The wave surface includes a first arc noodle with edges at both ends convexly transitioning inwards, the cross section of the first arc noodle being a curved surface convexly upwards, a continuous second arc noodle being arranged between the two first arc noodle pieces, the cross section of the second arc noodle being a curved surface convexly upwards; adjacent second arc noodle pieces are connected by arc strips;

[0008] The length of the wave surface accounts for two-fifths to three-fifths of the length of the bottom wall of the box shell, and the width of the wave surface accounts for three-fifths to four-fifths of the width of the bottom wall of the box shell.

[0009] On the basis of the above solution and as a preferred solution of the above solution: the height of the first arc noodle is 4 to 6 mm; the height of the second arc noodle is 8 to 10 mm.

[0010] Based on the above scheme and as a preferred scheme of the above scheme: the inner end of the second arc noodle bulges upward to form a transitional third arc noodle, and the cross-section of the third arc noodle is a curved surface bulging obliquely upward; the outer end of the second arc noodle tilts outward to form a first inclined surface.

[0011] On the basis of the above solution and as a preferred solution of the above solution: the two second arc noodles are respectively provided with pit holes, and the pit holes are used for inserting steel nails.

[0012] On the basis of the above scheme and as a preferred solution of the above scheme: the radius of the pit hole is 6 to 10 mm.

[0013] Compared with the prior art, the present invention has the following outstanding and beneficial technical effects:

[0014] Compared with the prior art, the support structure of the box shell of the utility model has an inwardly convex wavy surface on the bottom wall of the box shell, including first arc noodles at both ends, which play a transition and support role to avoid damage during blistering. A plurality of second arc noodles, as the main structure, can reinforce the bottom and play a supporting role to prevent the bottom from collapsing under stress.

[0015] The cross section of the second arc noodle is an arc surface convex upward, which can resist the weight of the object and has a good anti-deformation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the outer surface structure of the box shell.

[0017] Figure 2 It is a schematic diagram of the inner surface structure of the box shell.

[0018] Figure 3 It is a schematic diagram of the overall structure of the wave surface.

[0019] Figure 4 It is a schematic diagram of the structure of the utility model when viewed from above.

[0020] Figure 5 It is a schematic diagram of the main structure of the wave surface.

[0021] Reference numerals: box shell 01 ; first arc noodle 02 ; second arc noodle 03 ; pit hole 030 ; arc strip 04 ; third arc noodle 05 ; first inclined surface 06 . DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to specific embodiments in conjunction with the accompanying drawings;

[0023] This embodiment provides a box shell support structure, including a box shell 01, wherein the bottom wall of the box shell 01 is convex inwardly formed into a wavy surface; the box shell 01 is formed by integrally vacuum molding of a plastic material, and the wavy surface is the inward convexity of the bottom wall of the box shell 01 itself;

[0024] The wavy surface includes a first arc noodle 02 with inwardly convex edges at both ends. The cross section of the first arc noodle 02 is a curved surface that convexes upward. A continuous second arc noodle 03 is provided between the two first arc noodle 02. The cross section of the second arc noodle 03 is an arc surface that convexes upward. Adjacent second arc noodle 03 are connected by an arc strip 04. The arc strip 04 serves to transition between the two second arc noodle 03 to facilitate blistering and demolding.

[0025] The first arc noodles 02 at both ends act as a transition effect to prevent the box shell 01 from being damaged by bending directly at right angles during blistering, and at the same time have a supporting effect; a number of second arc noodles 03 and arc strips 04 are spliced ​​together to form a wavy surface main structure, which can reinforce the bottom and play a supporting role, preventing the bottom wall of the box shell 01 from collapsing under stress and increasing its service life;

[0026] The length L1 of the wavy surface occupies two-fifths to three-fifths of the bottom wall length L2 of the suitcase 01, and the width W1 of the wavy surface occupies three-fifths to four-fifths of the bottom wall width W2 of the suitcase 01. Taking up as much of the bottom wall of the suitcase 01 as possible makes the wavy surface's support structure more secure. The length of the second curved surface 03 can be adjusted appropriately, increasing or decreasing, depending on the size of the suitcase.

[0027] As described above, in the specific design process, a wave-shaped pit is dug out on the bottom surface of the mold of the box shell 01, and the plastic material is blister-formed to form the box shell 01, that is, the wave surface on the box shell 01 is convex inward, and the first arc surface 02 and the second arc surface play a supporting role;

[0028] Furthermore, the height H1 of the first curved noodle 02 is 4 to 6 mm; the height H2 of the second curved noodle 03 is 8 to 10 mm.

[0029] As described above, the first arc noodles 02 and the second arc noodles 03 of different heights are matched according to the size specifications of different suitcases, so as to be more firm and suitable.

[0030] Furthermore, the inner end of the second arc noodle 03 bulges upward to form a transitional third arc noodle 05 , and the cross-section of the third arc noodle 05 is a curved surface bulging obliquely upward; the outer end of the second arc noodle 03 tilts outward to form a first inclined surface 06 .

[0031] As mentioned above, the third curved surface 05 is located on the inner side of the box shell 01, indirectly forming the middle of the bottom wall of the suitcase, serving as support and transition, achieving two goals at one stroke. The first inclined surface 06 is located on the outer side of the box shell 01, matching the upwardly curved side wall of the box shell 01.

[0032] Furthermore, the two second arc-shaped noodles 03 are respectively provided with concave holes 030, and the concave holes 030 are used to insert steel nails.

[0033] As described above, the concave hole 030 is located on the second arc noodle 03, which reduces the damage to the integrity of other second arc noodle 03 and makes the connection more firm;

[0034] Furthermore, the radius R of the concave hole 030 is 6 to 10 mm.

[0035] As mentioned above, it is suitable for use with box shells 01 of different sizes, which is more practical;

[0036] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. These are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present utility model.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In this utility model, unless otherwise clearly specified and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection;

[0038] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A supporting structure for a box shell, characterized in that: The box comprises a housing, wherein the bottom wall of the housing is convex inwardly to form a wave surface; The wave surface includes a first arc noodle with edges at both ends convexly transitioning inwards, the cross section of the first arc noodle being a curved surface convexly upwards, a continuous second arc noodle being arranged between the two first arc noodle pieces, the cross section of the second arc noodle being a curved surface convexly upwards; adjacent second arc noodle pieces are connected by arc strips; The length of the wave surface accounts for two-fifths to three-fifths of the length of the bottom wall of the box shell, and the width of the wave surface accounts for three-fifths to four-fifths of the width of the bottom wall of the box shell.

2. The support structure of the box shell according to claim 1, characterized in that: The height of the first arc noodle is 4 to 6 mm; the height of the second arc noodle is 8 to 10 mm.

3. The supporting structure of the box shell according to claim 1, characterized in that: The inner end of the second arc noodle is convex upward to form a transitional third arc noodle, and the cross section of the third arc noodle is a curved surface that is obliquely convex upward; The outer end of the second arc-shaped noodle is inclined outward to form a first inclined surface.

4. The supporting structure of the box shell according to claim 1, characterized in that: The two second arc noodles are respectively provided with concave holes, and the concave holes are used for inserting steel nails.

5. The supporting structure of the box shell according to claim 4, characterized in that: The radius of the dimple holes is 6 to 10 mm.

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