A kind of box with upper and lower lids

Abstract

The present invention relates to the technical field of packaging boxes, and more specifically, to a juxtaposed top and bottom cover box, comprising an upper cover and a lower cover of the same structure but different sizes, wherein the upper cover is arranged above the lower cover, and the inner side surface of the upper cover is arranged in close contact with the outer side surface of the lower cover; the upper cover comprises a supporting portion and a protective portion, wherein the supporting portion is located on the side surface of the upper cover, and the protective portion is vertically connected to the upper side of the supporting portion; the supporting portion is provided with a cavity capable of accommodating the penetration of a supporting strip, and the supporting strip surrounds the side surface of the upper cover. The supporting portion of the present invention has better pressure resistance and protection capabilities than the protective portion due to the penetration of the supporting strip in the cavity. When stored and transported, the upper cover and the lower cover can be flattened to save space; it can avoid the waste of raw materials caused by the use of thicker and heavier materials for both the supporting portion and the protective portion, and improve the utilization rate of consumables of various standard specifications in the production process; and it is quick to operate and can obtain better protection and pressure resistance.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging boxes, and more specifically, to a juxtaposed top and bottom cover box. Background Art

[0002] At present, in order to fully protect the built-in products and have good anti-punching properties, the fine-cover products used in daily chemical products usually use large pieces of gray board, corrugated strips, medium-thick boards, etc. as lining materials. Existing fine-cover products have many defects: (1) During the manufacturing process, due to the limitations of manufacturing processes and equipment, the lining consumables on the four sides are often wasted, and the material utilization rate is low, about 70%~80%; (2) The basic raw materials usually have fixed specifications, and when the raw materials of fixed specifications are used to process fine boxes, there will be waste on the edges or sides; (3) The side of the cover box has a supporting surface and a protective surface, but the existing process can only use one piece of raw material as the lining embryo, and the supporting surface and the protective surface often use the same thickness of material, resulting in excessive protection and packaging waste; (4) The joints of the various sides of the existing cover box are often glued, and the manufacturing process is complicated and the production cost is high. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a aligning top and bottom cover box, distinguishing the materials used for the box support part and the protective part, while ensuring the compression resistance and effective protection of the box, reducing the consumables required for manufacturing and saving production costs.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] Provided is a juxtaposed top and bottom cover box, comprising an upper cover and a lower cover of the same structure but different sizes, wherein the upper cover is arranged above the lower cover, and the inner side surface of the upper cover is arranged in close contact with the outer side surface of the lower cover; the upper cover comprises a supporting portion and a protective portion, wherein the supporting portion is located on the side surface of the upper cover, and the protective portion is vertically connected to the top of the supporting portion; the supporting portion is provided with a cavity capable of accommodating a supporting strip passing therethrough, and the supporting strip surrounds the side surface of the upper cover.

[0006] The aligned top and bottom cover box of the present invention, the upper cover and the lower cover are both composed of a supporting part and a protective part. The supporting part has better pressure resistance and protection ability than the protective part because the supporting strip is inserted into the cavity; when storing and transporting, the upper cover and the lower cover can be flattened to save space; when in use, the supporting strip is inserted into the cavity, and the upper cover and the lower cover are formed by the extrusion elasticity of the material itself; the upper cover is closed on the top of the lower cover to form the box; and the present invention avoids the waste of raw materials caused by the use of thicker and heavier materials for both the supporting part and the protective part, thereby improving the utilization rate of consumables of various standard specifications in the production process.

[0007] Furthermore, the upper cover is a square structure, the support part includes two sets of first support parts arranged in parallel and two sets of second support parts arranged in parallel, the first support part is vertically connected to the second support part, and the protection part is vertically connected to the top of the first support part and the second support part. The support part is located on the side of the upper cover, and plays the role of load bearing, pressure resistance and protection; the protection part is located on the top surface of the upper cover, and plays the role of protection.

[0008] Furthermore, the cavities are divided into two groups, which are respectively arranged in two groups of parallel first support parts. Such an arrangement can simplify the manufacturing process of the upper cover and the lower cover, save the raw materials consumed by the upper cover and the lower cover, and save production costs.

[0009] Furthermore, the support bar is a U-shaped structure, including a first support bar and second support bars arranged on both sides of the first support bar, the first support bar is arranged on the inner side of the second support portion, and the second support bar is respectively connected to the two groups of cavities. The support bar of the present invention is a corrugated bar and folds are formed at the corresponding positions of the corrugated bar. The second support bars located on both sides of the first support bar are arranged to penetrate into the cavity, which can simplify the steps of supporting bar installation; in order to obtain better protection and pressure resistance, the width of the first support bar of the present invention is equal to the width of the second support portion, and the sum of the widths of the two second support bars located on both sides of the first support bar is equal to the width of the first support portion.

[0010] Furthermore, the first supporting part includes a first side wall, a first cavity wall, a second side wall and a first attachment part connected in sequence, the first side wall, the first cavity wall and the second side wall surround to form a cavity, the first side wall is connected to the protective part, and the first attachment part is adhesively connected to the protective part. The first side wall, the cavity wall, the second side wall, the first attachment part and the protective part are made of a whole piece of raw material, and folds are made at the connection of each structure to facilitate the rapid molding of the upper cover and the lower cover; during molding, the first side wall, the cavity wall, the second side wall and the protective part surround to form a cavity, the first attachment part and the protective part are glued together, and the second supporting bar is inserted into the cavity; during transportation, the second supporting bar is pulled out of the cavity and the first supporting part is flattened to save space.

[0011] Furthermore, the second supporting portion includes a third side wall, a second cavity wall, a fourth side wall and a second attachment portion connected in sequence, the third side wall is connected to the protection portion, and the second attachment portion is arranged closely to the protection portion. After the second supporting strip is inserted into the cavity, the third side wall, the second cavity wall and the fourth side wall surround the first supporting strip, and then the second attachment portion is attached to the protection portion by using the extrusion elasticity of the material itself, so as to facilitate the rapid deployment of the second supporting portion and the extraction and insertion operations of the supporting strip.

[0012] Furthermore, the two ends of the first side wall are provided with folding parts, and the diagonal lines of the folding parts are provided with creases; one side of the folding part is connected to the first side wall, and its adjacent side is connected to the third side wall. The folding part is provided so that the support bar is not exposed and the appearance is beautiful; the crease is provided to facilitate the rapid folding of the folding part and the operation is quick.

[0013] Furthermore, the first attachment portion has first clamping edges at both ends, and the second attachment portion has second clamping edges at both ends, and the second clamping edges are arranged in cooperation with the first clamping edges. The second attachment portion is tightly attached to the protective portion by utilizing the extrusion elasticity of the material itself, and the cooperation between the second clamping edges and the first clamping edges can effectively prevent the second attachment portion from being separated from the protective portion.

[0014] Furthermore, the second side wall is provided with a third attachment portion at both ends, and the third attachment portion is arranged in close contact with the inner wall of the support bar. The third attachment portion uses the extrusion elasticity of the material itself to be in close contact with the inner wall of the support bar, and its surface is smooth, which is conducive to the attachment of the fourth side wall to the inner wall of the support bar; the third attachment portion of the present invention has the same shape and size as the folding portion, is simple to manufacture, and can make full use of scraps and improve the utilization rate of raw materials.

[0015] Furthermore, the thickness of the support strip is greater than the thickness of the support portion and the protective portion. This arrangement can give the support portion better load-bearing performance.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The support part of the present invention has better pressure resistance and protection ability than the protective part because the support bar is inserted into the cavity. When storing and transporting, the upper cover and the lower cover can be flattened to save space;

[0018] (2) The present invention avoids the waste of raw materials caused by using thicker materials for both the support part and the protective part, thereby improving the utilization rate of consumables of various standard specifications in the production process;

[0019] (3) The support bar of the present invention is configured as a U-shaped structure, the first attachment portion is bonded to the protective portion, and the second attachment portion is attached to the protective portion using the extrusion elasticity of the material itself, so that the second support portion can be quickly unfolded, thereby simplifying the steps of supporting bar installation and achieving better protection and pressure resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the upper cover of the aligned top and bottom cover box of the present invention.

[0021] Figure 2 The expanded view of removing the support strips for aligning the top and bottom covers.

[0022] Figure 3 It is a schematic diagram of the structure of the support strips for the top and bottom cover boxes.

[0023] In the accompanying drawings, 1-support part; 2-protective part; 3-support bar; 31-first support bar; 32-second support bar; 4-first support part; 41-first side wall; 42-first cavity wall; 43-second side wall; 44-first attachment part; 45-folding part; 46-crease; 47-first clamping edge; 48-third attachment part; 5-second support part; 51-third side wall; 52-second cavity wall; 53-fourth side wall; 54-second attachment part; 55-second clamping edge. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with specific implementation methods. The accompanying drawings are only used for exemplary descriptions and are only schematic diagrams, not actual drawings, and cannot be understood as limiting this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0025] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is 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 direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances. Example

[0026] like Figure 1 The embodiment of the aligned top and bottom cover box of the present invention is shown, comprising an upper cover and a lower cover of the same structure but different sizes, the upper cover is arranged above the lower cover, and the inner side surface of the upper cover is arranged in close contact with the outer side surface of the lower cover; the upper cover comprises a support portion 1 and a protective portion 2, the support portion 1 is located on the side of the upper cover, and the protective portion 2 is vertically connected to the upper part of the support portion 1; the support portion 1 is provided with a cavity capable of accommodating the support strip 3 to penetrate, and the support strip 3 surrounds the side of the upper cover. In this embodiment, the thickness of the support strip 3 is greater than the thickness of the support portion 1 and the protective portion 2, giving the support portion better load-bearing performance.

[0027] When this embodiment is implemented, the upper cover and the lower cover are both composed of a supporting part and a protective part 2. The supporting part 1 has better pressure resistance and protection ability than the protective part 2 because the supporting bar 3 is inserted into the cavity; when storing and transporting, the upper cover and the lower cover can be flattened to save space; when in use, the supporting bar 3 is inserted into the cavity, and the upper cover and the lower cover are formed by the extrusion elasticity of the material itself; the upper cover is closed on top of the lower cover to form a sleeve.

[0028] like Figure 1 As shown, the upper cover is a square structure, the support part 1 includes two groups of parallel first support parts 4 and two groups of parallel second support parts 5, the first support part 4 is vertically connected to the second support part 5, and the protective part 2 is vertically connected above the first support part 4 and the second support part 5; the support part is located on the side of the upper cover, and plays the role of load-bearing, pressure-resistant and protective; the protective part 2 is located on the top surface of the upper cover, and plays a protective role. Among them, there are two groups of cavities, which are respectively arranged in two groups of parallel first support parts 4, which simplifies the manufacturing process of the upper cover and the lower cover, saves the raw materials consumed by the upper cover and the lower cover, and saves production costs; the support bar 3 is a U-shaped structure, including a first support bar 31 and a second support bar 32 arranged on both sides of the first support bar 31, the first support bar 31 is arranged on the inner side of the second support part 5, and the second support bar 32 is respectively connected to the two groups of cavities; the support bar of this embodiment is a corrugated bar and folds are formed at the corresponding positions of the corrugated bar. The second support bars 32 located on both sides of the first support bar 31 are inserted into the cavity, which can simplify the steps of supporting bar installation; in order to obtain better protection and pressure resistance, the width of the first support bar 31 of this embodiment is equal to the width of the second support part 5, and the sum of the widths of the two second support bars 32 located on both sides of the first support bar 31 is equal to the width of the first support part 4.

[0029] like Figure 1 As shown, the first support part 4 includes a first side wall 41, a first cavity wall 42, a second side wall 43 and a first attachment part 44 which are connected in sequence. The first side wall 41, the first cavity wall 42 and the second side wall 43 surround to form a cavity. The first side wall 41 is connected to the protective part 2, and the first attachment part 44 is adhesively connected to the protective part 2. The first side wall 41, the cavity wall, the second side wall 43 and the first attachment part 44 and the protective part 2 are made of a whole piece of raw material, and folds are made at the connection of each structure to facilitate the rapid molding of the upper cover and the lower cover; during molding, the first side wall 41, the cavity wall, the second side wall 43 and the protective part 2 surround to form a cavity, the first attachment part 44 and the protective part 2 are glued together, and the second support bar 32 is inserted into the cavity; during transportation, the second support bar 32 is pulled out of the cavity and the first support part 4 is flattened to save space.

[0030] The second support portion 5 includes a third side wall 51, a second cavity wall 52, a fourth side wall 53 and a second attachment portion 54 connected in sequence, the third side wall 51 is connected to the protection portion 2, and the second attachment portion 54 is arranged closely to the protection portion 2. In this embodiment, after the second support bar 32 is inserted into the cavity, the third side wall 51, the second cavity wall 52, and the fourth side wall 53 surround the first support bar 31, and then the second attachment portion 54 is attached to the protection portion 2 by using the extrusion elasticity of the material itself, so as to facilitate the rapid deployment of the second support portion 5 and the extraction and insertion operations of the support bar.

[0031] Among them, folding parts 45 are provided at both ends of the first side wall 41, so that the support strip is not exposed and the appearance is beautiful; folding marks 46 are provided at the diagonal of the folding part 45; one side of the folding part 45 is connected to the first side wall 41, and its adjacent side is connected to the third side wall 51, which is convenient for the rapid folding of the folding part 45 and quick operation. First card edges 47 are provided at both ends of the first attachment part 44, and second card edges 55 are provided at both ends of the second attachment part 54. The second card edges 55 are arranged in cooperation with the first card edges 47. The second attachment part 54 is tightly attached to the protective part 2 by using the extrusion elasticity of the material itself. The cooperation between the second card edges 55 and the first card edges 47 can effectively prevent the second attachment part 54 from being separated from the protective part 2.

[0032] The second side wall 43 is provided with a third attachment portion 48 at both ends, and the third attachment portion 48 is closely attached to the inner wall of the support bar; the third attachment portion 48 is closely attached to the inner wall of the support bar by utilizing the extrusion elasticity of the material itself, and its surface is smooth, which is conducive to the attachment of the fourth side wall 53 to the inner wall of the support bar. The third attachment portion 48 of this embodiment has the same shape and size as the folding portion 45, is simple to manufacture, and can make full use of the scraps and improve the utilization rate of the raw materials.

[0033] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A juxtaposed top and bottom cover box, characterized in that: The invention comprises an upper cover and a lower cover of the same structure but different sizes, wherein the upper cover is arranged above the lower cover, and the inner side surface of the upper cover is arranged in close contact with the outer side surface of the lower cover; the upper cover comprises a supporting portion (1) and a protective portion (2), wherein the supporting portion (1) is located on the side surface of the upper cover, and the protective portion (2) is vertically connected to the upper side of the supporting portion (1); the supporting portion (1) is provided with a cavity capable of accommodating a supporting strip (3) to penetrate therethrough, and the supporting strip (3) surrounds the side surface of the upper cover; the upper cover is a square structure, wherein the supporting portion (1) comprises two groups of first supporting portions (4) arranged in parallel and two groups of second supporting portions (5) arranged in parallel, wherein the first supporting portion (4) is vertically connected to the second supporting portion (5), and the protective portion (2) is vertically connected to the upper sides of the first supporting portion (4) and the second supporting portion (5); the cavities are divided into two groups, which are respectively arranged on the two groups of first supporting portions (4) arranged in parallel; the supporting strip (3) is a U-shaped structure, comprising a first supporting strip (31) and a second supporting strip (32) arranged on the first supporting strip. The first supporting portion (4) comprises a first side wall (41), a first cavity wall (42), a second side wall (43) and a first attachment portion (44) connected in sequence, the first side wall (41), the first cavity wall (42) and the second side wall (43) surrounding each other to form a cavity, and the first side wall (41) is provided on the inner side of the second supporting portion (5), and the second supporting bar (32) is respectively connected to the two groups of cavities; the first supporting portion (4) comprises a first side wall (41), a first cavity wall (42), a second side wall (43) and a first attachment portion (44) connected in sequence, the first side wall (41), the first cavity wall (42) and the second side wall (43) surrounding each other to form a cavity, and the first side wall (4 1) is connected to the protective part (2), the first attachment part (44) is adhesively connected to the protective part (2); the second supporting part (5) comprises a third side wall (51), a second cavity wall (52), a fourth side wall (53) and a second attachment part (54) which are connected in sequence, the third side wall (51) is connected to the protective part (2), and the second attachment part (54) is closely arranged to the protective part (2); the thickness of the supporting strip (3) is greater than the thickness of the supporting part (1) and the protective part (2).

2. The alignment top and bottom cover box according to claim 1, characterized in that: Folding portions (45) are provided at both ends of the first side wall (41), and fold marks (46) are provided at the diagonal lines of the folding portions (45); one side edge of the folding portion (45) is connected to the first side wall (41), and its adjacent side edge is connected to the third side wall (51).

3. The alignment top and bottom cover box according to claim 2, characterized in that: The first attaching portion (44) is provided with first clamping edges (47) at both ends, and the second attaching portion (54) is provided with second clamping edges (55) at both ends, and the second clamping edges (55) are arranged in coordination with the first clamping edges (47).

4. The aligned top and bottom cover box according to any one of claims 1 to 3, characterized in that: The second side wall (43) is provided with third attachment portions (48) at both ends, and the third attachment portions (48) are arranged in close contact with the inner wall of the support bar (3).

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