Gear opening type paper box and integrated paper board
By using a gear-opening cardboard box design, the problem of low cardboard box space utilization and high cost is solved by the meshing connection of gear plates, achieving more efficient space utilization and a better unboxing experience.
Patent Information
- Application Number
- CN202520416744.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing cardboard boxes have low space utilization and high costs, and traditional connecting plates are prone to interference during folding, resulting in larger box sizes and wasted resources.
The box adopts a gear-type opening design. By extending the first and second gear plates on the first and second cover plates of the box lid respectively, the teeth are symmetrically meshed during the opening and closing process to avoid interference. Indentation lines and spacers are set on the cardboard to facilitate folding.
It improves space utilization, reduces production costs, and enhances the unboxing experience.
Smart Images

Figure CN223836016U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of packaging technology, specifically relating to a gear-opening cardboard box and an integrated cardboard. Background Technology
[0002] Paper boxes are among the most widely used packaging products. Classified by basic structure, they mainly include: adhesive boxes secured with tape, lid boxes relying on friction or latches for fixation (comprising a nested top and bottom), and drawer-type boxes with layered sliding designs. Traditional adhesive boxes, secured with tape, have weak resealing capabilities after opening, significantly impacting consumers' willingness to reuse them. Drawer-type boxes are prone to jamming during sliding due to uneven resistance. Existing lid boxes typically use a single square connecting plate attached to the top and bottom of the lid, symmetrically inserted into the box to secure the corresponding lid. However, during folding, the square connecting plates interfere with each other during symmetrical insertion, leading to the use of staggered insertion for folding. This staggered insertion increases the required base size, reducing overall space utilization; furthermore, the single square connecting plate increases costs and wastes resources. Utility Model Content
[0003] This invention addresses the technical problems of low space utilization and high cost of existing paper boxes, and aims to provide a gear-operated paper box.
[0004] The gear-operated cardboard box of this utility model includes:
[0005] A box body and a lid covering the box body, the lid comprising a first cover plate and a second cover plate symmetrically connected to two opposite first sides of the box body:
[0006] A first gear plate extends from each of the two sides of the first cover plate;
[0007] A second gear plate extends from each of the two sides of the second cover plate;
[0008] During the opening and closing of the box lid, the teeth of the second gear plate can be symmetrically meshed with the teeth of the first gear plate.
[0009] Preferably, the teeth of the first gear plate are first arc-shaped teeth, and the teeth of the second gear plate are second arc-shaped teeth; preferably, one end of the first arc-shaped tooth begins at the first upper side of the first gear plate near the upper corner of the first cover plate, and the other end of the first arc-shaped tooth terminates at the middle of the second side of the first gear plate away from the first cover plate; one end of the second arc-shaped tooth begins at the first upper side of the second gear plate near the upper corner of the second cover plate, and the other end of the second arc-shaped tooth terminates at the middle of the second side of the second gear plate away from the second cover plate.
[0010] Preferably, the box cover is also provided with an opening hole, half of which is opened on the side of the first cover plate and the other half is opened on the side of the second cover plate.
[0011] Preferably, the housing includes:
[0012] The base plate has two opposing first sides and two opposing second sides adjacent to the first sides;
[0013] Two first side plates are symmetrically connected to the two first sides of the base plate, and the first sides of the two first side plates are respectively connected to the first cover plate and the second cover plate.
[0014] Two second side plates are symmetrically connected on the two second sides of the base plate.
[0015] Preferably,
[0016] Each of the first side plates has a first connecting plate and a second connecting plate extending from its two opposite second sides;
[0017] Each second side plate has two opposing first sides and two opposing second sides adjacent to the first sides. One second side of the second side plate is connected to the second side of the base plate, and the other second side of the second side plate is bent and extended to form a second inner side plate that can overlap with the second side plate at intervals. Two first connecting plates and two second connecting plates can be respectively inserted between the corresponding second inner side plate and the second side plate.
[0018] Preferably, a folding transition section is provided between the second side plate and the second inner side plate to facilitate bending of the second inner side plate.
[0019] Preferably, the width of the folding transition section is 6mm to 8mm, and more preferably 7mm.
[0020] Preferably, at least two tongues are provided on the outer side of the second inner side plate to secure the bent second inner side plate.
[0021] The base plate is also provided with several tongue holes on the two sides of the second side for inserting tongues corresponding to those on the second inner side plate.
[0022] Another objective of this invention is to provide an integral cardboard for forming the aforementioned gear-opening cardboard box, wherein...
[0023] The main body of the cardboard has five surfaces connected from left to right: the first cover surface, the first side surface, the bottom surface, the first side surface, and the second cover surface.
[0024] The main body of the cardboard has five surfaces connected from top to bottom: the second inner side panel, the second side panel, the bottom panel, the second side panel, and the second inner side panel.
[0025] The connection between the bottom plate and the first side plate on the left and right sides is respectively provided with a first lower indentation line, and the connection between the bottom plate and the second side plate on the upper and lower sides is respectively provided with a second lower indentation line, and the tongue hole of the bottom plate is located at the second lower indentation line.
[0026] The first upper indentation line is present at the connection between the first side plate surface on the left side of the base plate surface and the first cover plate surface, and the first upper indentation line is also present at the connection between the first side plate surface on the right side of the base plate surface and the second cover plate surface.
[0027] The connection between the second side panel and the second inner side panel has two parallel and spaced upper indentation lines;
[0028] Two first gear plates connected by a first indentation line are respectively provided on the upper and lower sides of the first cover plate surface;
[0029] Two second gear plates connected by a second indentation line are respectively provided on the upper and lower sides of the second cover plate surface;
[0030] The upper and lower sides of the two first side plates are respectively provided with a first connecting plate and a second connecting plate connected by side indentation lines;
[0031] A first partition strip is provided between the first gear plate and the corresponding first connecting plate and second connecting plate, and a second partition strip is provided between the second gear plate and the corresponding first connecting plate and second connecting plate;
[0032] The first connecting plate and the corresponding second side plate have a first dividing line, and the second connecting plate and the corresponding second side plate have a second dividing line.
[0033] Preferably,
[0034] The lengths of the first cover plate surface and the second cover plate surface are less than the length of the first side plate surface;
[0035] The length of the first side plate is less than the length of the bottom plate.
[0036] The length of the second inner side plate is less than the length of the second side plate.
[0037] The positive and progressive effects of this utility model are as follows:
[0038] 1) This utility model extends a first gear plate and a second gear plate respectively from the first cover plate and the second cover plate. During the opening and closing of the box lid, the teeth of the second gear plate can symmetrically mesh with the teeth of the first gear plate. Compared with a solid square connecting plate, the first gear plate and the second gear plate with arc-shaped teeth will not interfere with each other when symmetrically meshing and opening and closing, thus improving the space utilization of the entire box and reducing manufacturing costs. At the same time, since the teeth of the second gear plate are symmetrically meshed with the teeth of the first gear plate, they can mesh with each other to open the box, further improving the user's unpacking experience. Attached Figure Description
[0039] Figure 1 This is a schematic diagram of the overall folding of the gear-opening cardboard box of this utility model.
[0040] Figure 2 This is a schematic diagram showing the unfolded integrated cardboard of the gear-opening cardboard box of this utility model.
[0041] Figure 3 This is a partial folding diagram of the gear-opening cardboard box of this utility model;
[0042] Figure 4 This is a schematic diagram of the opening of the gear-operated cardboard box of this utility model. Detailed Implementation
[0043] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.
[0044] like Figure 1 and Figure 2As shown, the gear-opening cardboard box of this utility model includes a box body 1 and a box lid 2, wherein the folded box lid 2 covers the box body 1. The box body 1 includes a bottom plate, two first side plates, and two second side plates. Each first side plate has a first connecting plate and a second connecting plate extending from its upper and lower sides, respectively. Each second side plate has a second inner side plate connected to its outer side. The box lid 2 includes a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are symmetrically connected to opposite sides of the box body 1. A first gear plate extends from each side of the first cover plate, and a second gear plate extends from each side of the second cover plate. Continuing as... Figure 2 As shown, the one-piece cardboard for folding into a gear-opening cardboard box includes five surfaces connected sequentially from left to right: a first cover surface 21, a first side surface 11, a bottom surface 12, a first side surface 11, and a second cover surface 22; and five surfaces connected sequentially from top to bottom: a second inner side surface 13, a second side surface 14, a bottom surface 12, a second side surface 14, and a second inner side surface 13. The first cover surface 21 corresponds to the first cover, the first side surface 11 corresponds to the first side plate, the bottom surface 12 corresponds to the bottom plate, the second cover surface 22 corresponds to the second cover, the second inner side surface 13 corresponds to the second inner side plate, and the second side surface 14 corresponds to the second side plate. Furthermore, the lengths of the first cover surface 21 and the second cover surface 22 are less than the length of the first side surface 11, the length of the first side surface 11 is less than the length of the bottom surface 12, and the length of the second inner side surface 13 is less than the length of the second side surface 14. Continuing as... Figure 2 and Figure 3 As shown, the base plate has two opposing first sides and two opposing second sides adjacent to the first sides. The two first side plates are symmetrically connected on the first side of the base plate, and the two first side plate surfaces 11 are symmetrically provided with a first lower crease line a at the connection point with the first side of the base plate surface 12. The first cover plate and the second cover plate are also symmetrically connected on the two opposing first sides of the box body 1. The first cover plate is located at the leftmost side of the cardboard body, that is, connected to the left side of one of the first side plates, and a first upper crease line b is provided at the connection point, that is, at the connection point between the first side plate surface 11 and the first cover plate surface 21. The second cover plate is located at the rightmost side of the cardboard body, that is, connected to the right side of the other first side plate, and a first upper crease line b is also symmetrically provided at the connection point, that is, at the connection point between the first side plate surface 11 and the second cover plate surface 22. In addition, as shown in the figure... Figure 2 and Figure 3 As shown, each second side plate also has two opposing first sides and two opposing second sides adjacent to the first sides, and the two second side plates are symmetrically connected to the second side of the base plate from top to bottom. At the symmetrical connection points, i.e., the symmetrical connection points between the base plate surface 12 and the two second side plate surfaces 14, there are second lower indentation lines c. Continuing as... Figure 3As shown, to fix the folded first side panel, i.e., the first side panel surface 11, a first connecting plate surface 111 and a second connecting plate surface 112 extend from two opposite second sides of each first side panel surface 11, and a side indentation line e is provided at the extension connection. The first connecting plate surface 111 corresponds to the first connecting plate, and the second connecting plate surface 112 corresponds to the aforementioned second connecting plate. The first connecting plate surface 111 is located on the upper side of the first side panel surface 11, and the second connecting plate surface 112 is located on the lower side of the first side panel surface 11. The two first connecting plate surfaces 111 on the upper side of the two first side panel surfaces 11 are also symmetrically located on the left and right sides of the second side panel surface 14, and are not connected to the second side panel surface 14 to form a first cleaving line m. The two second connecting plate surfaces 112 on the lower side of the two first side panel surfaces 11 are also symmetrically located on the left and right sides of the other second side panel surface 14, and are also not connected to the corresponding second side panel surface 14 to form a second cleaving line n. In addition, the folded first connecting plate surfaces 111 and two second connecting plate surfaces 112 are respectively inserted into the inner side of the corresponding second side plate surface 14. Above the second side plate surface 14 located on the upper side of the cardboard, a second inner side plate surface 13 is connected, which can overlap with the second side plate surface 14 at intervals. Similarly, below the other second side plate surface 14 located on the lower side of the cardboard, a second inner side plate surface 13 is also symmetrically connected. Between the corresponding connected second side plate surfaces 14 and second inner side plate surfaces 13, that is, between the corresponding connected second side plate and second inner side plate, a folding transition section 141 is provided to facilitate the bending of the second inner side plate to overlap with the second side plate at intervals. The width of the folding transition section 141 is 6mm to 8mm, preferably 7mm. In this example, continuing as... Figure 2 As shown, two parallel second upper indentation lines d are provided at the upper folding transition section 141, so that the second inner panel 14 can drive the folding transition section to bend; similarly, two parallel second upper indentation lines d are also provided at the lower folding transition section 141, which also facilitates the other second inner panel 14 to drive the folding transition section on the other side to bend. Continuing as... Figure 2 and Figure 3 As shown, two tongues 131 are provided on the outer edges of the two second inner side plates, and the same number of tongue holes 121 are provided on the two second sides of the base plate, that is, at the two second lower indentation lines c. The tongues 131 on the outer edges of the second inner side plates can be inserted into the corresponding tongue holes 121 on the base plate, so that the second inner side plates can be securely overlapped and installed on the inner side of the second side plates after bending. Furthermore, due to the existence of the folding transition section, a certain gap is formed between the bent second inner side plates and the second side plates. This also allows the two first connecting plate surfaces 111 and the two second connecting plate surfaces 112 after folding to be inserted into the gaps between the corresponding second side plate surfaces 14 and the second inner side plate surfaces 13, so as to secure the corresponding first side plate surfaces 11 after folding.
[0045] In this example, continue as follows Figure 2 and Figure 4 As shown, a first cover plate corresponds to a first cover plate surface 21, and a second cover plate corresponds to a second cover plate surface 22. Two first gear plate surfaces 211, connected by a first indentation line f, are respectively provided on the upper and lower sides of the first cover plate surface 21. Two second gear plate surfaces 221, connected by a second indentation line g, are respectively provided on the upper and lower sides of the second cover plate surface 22. The first gear plate surface 211 corresponds to the first gear plate, and the second gear plate surface 221 corresponds to the second gear plate. The teeth of the first gear plate are first arc-shaped teeth, and the teeth of the second gear plate are second arc-shaped teeth. One end of the first arc-shaped tooth begins at the first upper side edge of the first gear plate near the upper corner of the first cover plate, and the other end terminates at the middle of the second side edge of the first gear plate away from the first cover plate. One end of the second arc-shaped tooth begins at the first upper side edge of the second gear plate near the upper corner of the second cover plate, and the other end terminates at the middle of the second side edge of the second gear plate away from the second cover plate. During the opening and closing of the lid 2, the teeth of the second gear plate can symmetrically mesh with the teeth of the first gear plate. Compared to the solid square connecting plate, the first and second gear plates with arc-shaped teeth do not interfere with each other during symmetrical meshing and opening / closing, thus improving the space utilization of the entire box and reducing manufacturing costs. Furthermore, because the teeth of the second gear plate mesh symmetrically with the teeth of the first gear plate, they can mesh together to open the box, further enhancing the user's unboxing experience. In addition, a first spacer 2111 is provided between the first gear plate surface 211 and the corresponding first connecting plate surface 111 and second connecting plate surface 112 to facilitate effective folding of the first gear plate surface 211. Similarly, a second spacer 2211 is symmetrically provided between the second gear plate surface 221 and the corresponding first connecting plate surface 111 and second connecting plate surface 112 to facilitate effective folding of the second gear plate surface 221. Of course, continuing as... Figure 1 and Figure 2 As shown, the box cover 2 is also provided with an opening hole 23 to facilitate the user to open the box. The opening hole 23 is a circular opening hole. Half of its circle is open on the side of the first cover plate, and the other half is symmetrically open on the side of the second cover plate. When the entire cardboard is folded into a box, the semicircular openings on the sides of the two cover plates are spliced together to form a complete circular opening hole 23.
[0046] Of course, during the entire process of folding the cardboard into a complete box, the two first lower crease lines a bend upwards by 90° and the two second lower crease lines c bend upwards by 90° to form the box frame. The two second upper crease lines d, which are parallel to each other on the upper and lower sides of the cardboard at the folding transition section 141, bend downwards by 180°, forming a certain gap between the second inner side plate and the second side plate. At the same time, the tongues on the two second inner side plates are inserted into the corresponding tongue holes on the bottom plate. The four side crease lines e bend inwards by 90°, which respectively drive the two first connecting plates and the two second connecting plates to be inserted into the gaps formed between the corresponding second inner side plates and the second side plates, so as to stabilize the two first side plates after folding. The two first upper crease lines b bend downwards by 90°, which respectively drive the first cover plate and the second cover plate to bend to form the box lid 2 and cover the box body 1. At the same time, the two first crease lines f and the two second crease lines g bend inwards by 90°, which respectively drive the first gear plate and the second gear plate to mesh with each other and be inserted into the box body 1, forming a complete folded cardboard box.
[0047] The present invention has been described in detail above with reference to the accompanying drawings and embodiments. Those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be defined by the appended claims.
Claims
1. A gear-operated cardboard box, characterized in that... The gear-opening cardboard box includes a box body and a box cover disposed on the box body. The box cover includes a first cover plate and a second cover plate symmetrically connected to two opposite first sides of the box body. A first gear plate extends from each of the two sides of the first cover plate; A second gear plate extends from each of the two sides of the second cover plate; During the opening and closing of the box lid, the teeth of the second gear plate can be symmetrically meshed with the teeth of the first gear plate.
2. The gear-opening cardboard box as described in claim 1, characterized in that... The teeth of the first gear plate are first arc-shaped teeth, and the teeth of the second gear plate are second arc-shaped teeth.
3. The gear-operated cardboard box as described in claim 2, characterized in that... One end of the first arc-shaped tooth starts at the first upper side of the first gear plate near the upper corner of the first cover plate, and the other end of the first arc-shaped tooth ends at the middle of the second side of the first gear plate away from the first cover plate; one end of the second arc-shaped tooth starts at the first upper side of the second gear plate near the upper corner of the second cover plate, and the other end of the second arc-shaped tooth ends at the middle of the second side of the second gear plate away from the second cover plate.
4. The gear-opening cardboard box as described in claim 1, characterized in that... The box lid is also provided with an opening hole, half of which is opened on the side of the first cover plate and the other half is opened on the side of the second cover plate.
5. The gear-operated cardboard box as described in claim 1, characterized in that... The housing includes: The base plate has two opposing first sides and two opposing second sides adjacent to the first sides; Two first side plates are symmetrically connected to the two first sides of the base plate, and the first sides of the two first side plates are respectively connected to the first cover plate and the second cover plate. Two second side plates are symmetrically connected on the two second sides of the base plate.
6. The gear-opening cardboard box as described in claim 5, characterized in that, Each of the first side plates has a first connecting plate and a second connecting plate extending from its two opposite second sides; Each second side plate has two opposing first sides and two opposing second sides adjacent to the first sides. One second side of the second side plate is connected to the second side of the base plate, and the other second side of the second side plate is bent and extended to form a second inner side plate that can overlap with the second side plate at intervals. Two first connecting plates and two second connecting plates can be respectively inserted between the corresponding second inner side plate and the second side plate.
7. The gear-operated cardboard box as described in claim 6, characterized in that... A folding transition section is also provided between the second side plate and the second inner side plate to facilitate bending of the second inner side plate.
8. The gear-opening cardboard box as described in claim 7, characterized in that... The width of the folded transition section is 6mm to 8mm.
9. The gear-opening cardboard box as described in claim 8, characterized in that... The width of the folded transition section is 7mm.
10. The gear-opening cardboard box as described in claim 7, characterized in that... At least two tongues are provided on the outer side of the second inner side plate to fix the bent second inner side plate. The base plate is also provided with several tongue holes on the two sides of the second side for inserting tongues corresponding to those on the second inner side plate.
11. An integral cardboard forming a gear-opening cardboard box as described in any one of claims 1 to 10, characterized in that, The main body of the cardboard has five surfaces connected from left to right: the first cover surface, the first side surface, the bottom surface, the first side surface, and the second cover surface. The main body of the cardboard has five surfaces connected from top to bottom: the second inner side panel, the second side panel, the bottom panel, the second side panel, and the second inner side panel. The connection between the bottom plate and the first side plate on the left and right sides is respectively provided with a first lower indentation line, and the connection between the bottom plate and the second side plate on the upper and lower sides is respectively provided with a second lower indentation line, and the tongue hole of the bottom plate is located at the second lower indentation line. The first upper indentation line is present at the connection between the first side plate surface on the left side of the base plate surface and the first cover plate surface, and the first upper indentation line is also present at the connection between the first side plate surface on the right side of the base plate surface and the second cover plate surface. The connection between the second side panel and the second inner side panel has two parallel and spaced upper indentation lines; Two first gear plates connected by a first indentation line are respectively provided on the upper and lower sides of the first cover plate surface; Two second gear plates connected by a second indentation line are respectively provided on the upper and lower sides of the second cover plate surface; The upper and lower sides of the two first side plates are respectively provided with a first connecting plate and a second connecting plate connected by side indentation lines; A first partition strip is provided between the first gear plate and the corresponding first connecting plate and second connecting plate, and a second partition strip is provided between the second gear plate and the corresponding first connecting plate and second connecting plate; The first connecting plate and the corresponding second side plate have a first dividing line, and the second connecting plate and the corresponding second side plate have a second dividing line.
12. The one-piece cardboard as described in claim 11, characterized in that, The lengths of the first cover plate surface and the second cover plate surface are less than the length of the first side plate surface; The length of the first side plate is less than the length of the bottom plate. The length of the second inner side plate is less than the length of the second side plate.