Glue-free card box easy to assemble

The card box with its snap-fit ​​structure design solves the problem of traditional card boxes requiring glue, achieving environmentally friendly glue-free assembly and a stable design, suitable for packaging a variety of products.

CN223751335UActive Publication Date: 2026-01-02XIAMEN CYR GREEN-TECH CO LTD
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Patent Information

Application Number
CN202520221035.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2026-01-02
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Traditional card box designs require the use of glue for bonding, which increases production costs and pollutes the environment, while also making assembly inconvenient.

Method used

It adopts a snap-fit ​​structure design, utilizing the elasticity and friction of the card box material to achieve glue-free assembly. The first snap-fit ​​part forms the side wall, and the second snap-fit ​​part achieves top sealing. Environmentally friendly and biodegradable materials are selected.

Benefits of technology

It achieves glue-free bonding, reduces production costs, meets environmental protection requirements, is easy and stable to assemble, and is suitable for packaging a variety of products.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223751335U_ABST
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Abstract

The utility model relates to a non-glue card box easy to assemble, which comprises a box body, the box body comprises a rectangular bottom surface and arched door-shaped side plates connected with the rectangular bottom surface in an unfolded state, first clamping parts are respectively arranged between the adjacent side plates, the first clamping parts are provided with matched first clamping seams, and the first clamping seams are matched with the rectangular bottom surface. The tops of the arched doors of the opposite side plates are respectively connected with a second clamping part, the second clamping parts are provided with matched second clamping seams, and when the box body is in an assembly state, the first clamping seams on the adjacent first clamping parts are mutually clamped, and the second clamping parts are clamped through the second clamping seams, so that the top of the box body is sealed. The glue-free card box has a remarkable market value, not only meets the requirement of the current market for environment-friendly packaging, but also reduces the production cost, improves the economic benefits of enterprises, and has a wide market application prospect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the packaging technical field especially easy to assemble's no glue card box. BACKGROUND

[0002] Traditional card box design usually adopts glue bonding, which not only increases the production cost, but also causes pollution to the environment when being discarded. With the increasing environmental awareness, the market demand for environmentally friendly packaging materials is increasing. Therefore, it is particularly important to develop a card box without glue bonding and environmentally friendly and degradable.

[0003] Chinese utility model patent CN205854737U discloses a firm clamping packaging box, which comprises a box body composed of a bottom plate and four side plates, the top of the front and rear side plates of the box body is respectively provided with a front flap and a rear flap which are folded inward to a horizontal position, the front ends of the front flap and the rear flap are reversely turned to the horizontal position and are arranged in an upper and lower overlapping manner, the top of the left and right side plates of the box body is respectively provided with a left flap and a right flap which are folded inward to a horizontal position and form an overlapping arrangement with the front flap and the rear flap, the front flap, the rear flap, the left flap and the right flap are folded to form a covering arrangement on the top of the box body, the front ends of the left flap and the right flap are provided with a left clamping hole and a right clamping hole which are completely overlapped, and the front and rear side plates are respectively provided with a front clamping plate and a rear clamping plate which are vertically upward and pass through the left clamping hole and the right clamping hole to form clamping. The clamping structure is firm and not easy to scatter, but the front clamping plate and the rear clamping plate need to pass through the left clamping hole and the right clamping hole during assembly, which is not convenient for assembly. SUMMARY

[0004] In view of the above problems, the utility model provides an easy-to-assemble no-glue card box, which realizes stable assembly by the elasticity and friction of the card box material through ingenious structure design, that is, the side walls are connected to form a three-dimensional space through the first clamping part, and the top is sealed through the second clamping part, so that no glue is needed for bonding. At the same time, the card box material can also be selected from environmentally friendly and degradable materials to meet the environmental protection requirements.

[0005] To solve the technical problem, the utility model adopts the following scheme:

[0006] A glue-free card box easy to assemble, comprising a box body, the box body comprising a rectangular bottom surface in an unfolded state, arc-shaped door-shaped side plates in the same plane as the rectangular bottom surface and connected to the side edges of the rectangular bottom surface respectively, comprising a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate and the second side plate are opposite, the third side plate and the fourth side plate are opposite, a first clamping part is respectively arranged between adjacent side plates, the first clamping part is provided with a first clamping seam matched thereon, and the side edge of the first clamping part parallel to the first clamping seam is connected to the third side plate or the fourth side plate; the arc-shaped door top of the first side plate and the second side plate is connected to a second clamping part respectively, the second clamping part is provided with a second clamping seam matched thereon, in the assembled state of the box body, the first clamping seams on the adjacent first clamping parts are clamped with each other, thereby forming the side wall of the box body together with the third side plate and the fourth side plate, and the second clamping parts on the first side plate and the second side plate are clamped through the second clamping seam, so that the third side plate and the fourth side plate are laminated and pressed under the first side plate and the second side plate, and the top of the box body is sealed.

[0007] Further, the second clamping part is provided with the second clamping seam at the connection between the first side plate and the second side plate, and the second clamping seam is tangent to the top arc of the arc-shaped door-shaped side plate.

[0008] Further, the second clamping part is a wing-shaped piece, and the wing-shaped pieces on the first side plate and the second side plate are axisymmetric.

[0009] Further, the second clamping seams on the first side plate and the second side plate are center-symmetric, so that a butterfly shape is formed on the top of the box body when the first side plate and the second side plate are clamped, and the second clamping seam corresponds to the body of the butterfly.

[0010] Further, the first clamping parts are symmetrically arranged on both sides of the third side plate and the fourth side plate.

[0011] Further, in the unfolded state of the box body, the first clamping seams on the first clamping parts are parallel to each other, and a V-shaped notch is arranged at the opening of the first clamping seam.

[0012] Further, the top of the notch has a circular arc transition section.

[0013] Further, the box body in the unfolded state is a single sheet.

[0014] Further, the sheet is a degradable sheet.

[0015] By adopting the foregoing technical scheme, the utility model has the following advantages compared with the prior art:

[0016] Environment-friendly glue-free design: through the clamping structure design, realized no glue bonding, avoid the pollution of glue to the environment, at the same time, reduce the production cost.

[0017] Stable structure: the parts of the card box are clamped by ingenious design, realizing stable assembly, ensuring the stability of the card box during transportation and use.

[0018] Environment-friendly materials: the card box materials are selected from environment-friendly degradable materials, such as paper, biodegradable plastics, etc., which meet the environmental protection requirements and are easy to recycle.

[0019] Easy to manufacture: the card box design is simple, easy to manufacture and assemble, reducing the production difficulty and cost.

[0020] Widely used: suitable for small packaging of various products, such as gift boxes, handmade soap, small food, etc., with broad market application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a schematic view of the carding and unfolding state structure provided by the embodiment of the utility model;

[0022] Fig. 2 is a top view of the carding and assembling state provided by the embodiment of the utility model;

[0023] Fig. 3 is a side view of the carding and assembling state provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0024] The technical solutions of the utility model will be described clearly and completely in combination with the drawings and specific embodiments, but the person skilled in the art will understand that the following described embodiments are part of the embodiments of the utility model, not all the embodiments, and are only used to illustrate the utility model, and should not be regarded as limiting the scope of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. The unmarked specific conditions in the embodiments are carried out according to the conventional conditions or the recommended conditions of the manufacturer. The reagents or instruments used are not marked with the manufacturer, which are all conventional products that can be obtained by market purchase.

[0025] In the description of the utility model, it is necessary to explain that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Example 1:

[0028] Reference Figs. 1-3 The glueless card box easy to assemble comprises a box body, the box body comprises a rectangular bottom surface 1 in the unfolded state, an arched door-shaped side plate in the same plane with the rectangular bottom surface 1 and connected with the side edges of the rectangular bottom surface 1 respectively, comprising a first side plate 2, a second side plate 3, a third side plate 4 and a fourth side plate 5, wherein the first side plate 2 and the second side plate 3 are opposite, the third side plate 4 and the fourth side plate 5 are opposite, and the first clamping part is arranged between the adjacent side plates respectively, specifically, the first clamping part 6 is arranged between the first side plate 2 and the third side plate 4, the first clamping part 6 has a clamping seam 61, and the side edge parallel to the clamping seam 61 is connected with the third side plate 4; the first clamping part 7 is arranged between the third side plate 4 and the second side plate 3, the first clamping part 7 has a clamping seam 71, and the side edge parallel to the clamping seam 71 is connected with the third side plate 4; the first clamping part 9 is arranged between the second side plate 3 and the fourth side plate 5, the first clamping part 9 has a clamping seam 91, and the side edge parallel to the clamping seam 91 is connected with the fourth side plate 5; the first clamping part 8 is arranged between the fourth side plate 5 and the first side plate 2, and the first clamping part 8 is provided with a clamping seam 81, and the side edge parallel to the clamping seam 81 is connected with the fourth side plate 5.

[0029] In the embodiment, the first clamping parts 6 and 7 are symmetrically arranged on both sides of the third side plate 4, and the first clamping parts 8 and 9 are symmetrically arranged on both sides of the fourth side plate 5, so that the stability of the box body can be improved by adopting the symmetrical design.

[0030] In the assembled state of the box, the first snap-fit ​​seams on adjacent first snap-fit ​​parts interlock to form the sidewalls of the box. Specifically, the first snap-fit ​​parts 6, 7, 8, and 9 are bent to be perpendicular to the rectangular bottom surface 1. At this time, the third side plate 4 and the fourth side plate 5 connected to the first snap-fit ​​parts are also perpendicular to the rectangular bottom surface 1. The snap-fit ​​seam 61 on the first snap-fit ​​part 6 is engaged with the snap-fit ​​seam 81 on the first snap-fit ​​part 8, and the snap-fit ​​seam 71 on the first snap-fit ​​part 7 is engaged with the snap-fit ​​seam 91 on the first snap-fit ​​part 9, thus forming a three-dimensional rectangular space.

[0031] Preferably, when the box is in the unfolded state, the first locking seams on the first locking parts are parallel to each other, and the opening of the first locking seam is provided with a "V" shaped notch. The notch makes it easy to operate the locking seams when they are engaged. For example, when the locking parts 6 and 8 are engaged, the notch of the locking seam 61 corresponds to the notch of the locking seam 81, thereby pushing the two seams to move crosswise, and the two locking seams are engaged. More preferably, the top of the notch has an arc transition section to avoid accidentally injuring the operator when engaging.

[0032] The top of the arched door of the first side plate 2 and the second side plate 3 are respectively connected to the second snap-fit ​​part 22 and the second snap-fit ​​part 32. The second snap-fit ​​part 22 is provided with a second snap-fit ​​seam 21, and the second snap-fit ​​part 32 is provided with a second snap-fit ​​seam 31. The second snap-fit ​​seam 21 and the second snap-fit ​​seam 31 are adapted to each other.

[0033] In a specific embodiment, second locking seams 21 and 31 are respectively provided at the connection between the first side plate 2 and the second side plate 3 and the second locking parts 22 and 32. The second locking seams 21 and 31 are tangent to the top arc of the arched door-shaped side plate, thereby facilitating a secure locking.

[0034] Preferably, the second snap-fit ​​portions 22 and 32 are wing-shaped pieces, and the wing-shaped pieces on the first side plate 2 and the second side plate 3 are axially symmetrical, so that a pair of wing shapes can be formed on the top of the box when they are snapped together. More preferably, the second snap-fit ​​seams 21 and 31 on the first side plate 2 and the second side plate 3 are centrally symmetrical, so that when the first side plate 2 and the second side plate 3 are snapped together, a butterfly shape is formed on the top of the box, and the second snap-fit ​​seams 21 and 31 fall on the same straight line and correspond to the body of the butterfly, so as to create a beautiful visual effect.

[0035] In the assembled state, the second snap-fit ​​parts 22 and 32 on the first side panel 2 and the second side panel 3 engage through the second snap-fit ​​seams 21 and 31, so that the third side panel 4 and the fourth side panel 5 are pressed down on the first side panel 2 and the second side panel 3 in a stacked manner, and the top of the box is sealed, as shown. Fig. 2 , Fig. 3 As shown.

[0036] The box is a single sheet in the unfolded state, that is, the box is formed by folding and clamping the single sheet.

[0037] The embodiment is only exemplary, and the utility model is not limited to this structure, and those skilled in the art should think that the second clamping part can also be other shapes, for example, heart shape, circular, etc., as long as the second clamping joint can be clamped firmly.

[0038] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and those skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model without departing from the principles and purposes of the utility model.

Claims

1. A glueless card box easy to assemble comprising a box body, characterized in that: The box body in the unfolded state comprises a rectangular bottom surface, arched door-shaped side plates in the same plane as the rectangular bottom surface and connected to the side edges of the rectangular bottom surface respectively, comprising a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate and the second side plate are opposite, the third side plate and the fourth side plate are opposite, a first clamping part is respectively arranged between adjacent side plates, the first clamping part is provided with a first clamping seam matched thereon, and the side edge of the first clamping part parallel to the first clamping seam is connected to the third side plate or the fourth side plate; the arched door top of the first side plate and the second side plate is respectively connected to a second clamping part, the second clamping part is provided with a second clamping seam matched thereon, in the assembled state of the box body, the first clamping seams on the adjacent first clamping parts are clamped with each other, thereby forming the side wall of the box body together with the third side plate and the fourth side plate, and the second clamping parts on the first side plate and the second side plate are clamped through the second clamping seam, so that the third side plate and the fourth side plate are laminated and pressed below the first side plate and the second side plate, and the top of the box body is sealed.

2. The easy-to-assemble, glue-less card box of claim 1, wherein: The second clamping seam is arranged at the connection between the first side plate and the second side plate and the second clamping part, and is tangent to the top circular arc of the arched door-shaped side plate.

3. The easy-to-assemble, glue-less card box of claim 2, wherein: The second clamping part is a wing-shaped piece, and the wing-shaped pieces on the first side plate and the second side plate are axisymmetric.

4. The easy-to-assemble, glue-less card box of claim 3, wherein: The second clamping seam on the first side plate and the second side plate is centrally symmetric, so that a butterfly shape is formed at the top of the box body when the first side plate and the second side plate are clamped, and the second clamping seam corresponds to the body of the butterfly.

5. The easy-to-assemble, glue-less card box according to any one of claims 1-4, wherein: The first clamping part is symmetrically arranged on both sides of the third side plate and the fourth side plate.

6. The easy-to-assemble, glue-less card box of claim 5, wherein: In the unfolded state of the box body, the first clamping seams on the first clamping parts are parallel to each other, and a "V"-shaped notch is arranged at the opening of the first clamping seam.

7. The easy-to-assemble, glue-less card box of claim 6, wherein: The top of the notch has a circular arc transition section.

8. The easy-to-assemble, glue-less card box according to any one of claims 1-4, wherein: The box body in the unfolded state is a single sheet.

9. The easy-to-assemble, glue-less card box of claim 8, wherein: The sheet is a degradable sheet.

Citation Information

Patent Citations

  • Packing carton that block is firm

    CN205854737U