WO2020019758A1

WO2020019758A1 - Self-locking sealing cardboard box for package

Info

Publication number: WO2020019758A1
Application number: PCT/CN2019/082071
Authority: WO
Inventors: 邱庆水
Original assignee: 福建奕龙包装制品有限公司
Priority date: 2018-07-27
Filing date: 2019-04-10
Publication date: 2020-01-30
Also published as: CN109051163A

Abstract

A self-locking sealing cardboard box for package, comprising a first side plate (11), a second side plate (12), a third side plate (13) and a fourth side plate (14) which are rotatably connected in sequence in a transverse direction; a joint plate (111) is rotatably connected to one side, opposite to the second side plate, of the first side plate, and an upper side and a lower side of the first side plate are rotatably connected to a first top plate (21) and a first bottom plate (31), respectively; an upper side and a lower side of the second side plate are rotatably connected to a second top plate (22) and a second bottom plate (32), respectively; an upper side and a lower side of the third side plate are rotatably connected to a third top plate (23) and a third bottom plate (33), respectively; an upper side and a lower side of the fourth side plate are rotatably connected to a fourth top plate and a fourth bottom plate, respectively; self-sealing pieces are provided at both the top and the bottom of the packaging cardboard box, each self-sealing piece comprises an insertion plate (41) and a slot (42), both ends of the insertion plate extend to form bendable locking plates (411), and the slot fits with the insertion plate; the insertion plate is connected to one side, opposite to the third side plate, of the third top plate, and the first top plate is provided with a slot; and the insertion plate is connected to one side, opposite to the first side plate, of the first bottom plate, and the third bottom plate is provided with a slot. The cardboard box for package can be self-sealing, saving time and effort, and saving costs.

Description

Self-locking packaging carton

Technical field

The invention relates to a self-closing packaging packaging carton, which belongs to the technical field of packaging boxes.

Background technique

Packaging cartons are the most common packaging tools. There are many types of packaging cartons, such as flat-mouth cartons, lap cartons, and large-cover cartons. Existing packaging cartons require a large amount of tape to be used for packaging. The process is cumbersome, and tearing off the tape when removing it is very cumbersome.

Summary of the Invention

In order to solve the problems in the prior art mentioned above, the present invention provides a self-closing packaging packaging carton, which does not require the use of tape during packaging, can be self-sealed, saves time and labor, and saves costs.

The technical solution of the present invention is as follows:

A self-closing packaging packaging carton includes a first side plate, a second side plate, a third side plate, and a fourth side plate that are sequentially and laterally connected in turn. The first side plate is opposite to the second side plate. A connecting plate is rotatably connected at one side, and the upper and lower sides of the first side plate are rotatably connected to the first top plate and the first bottom plate, respectively; The upper and lower sides of the third side plate are rotatably connected to the third top plate and the third bottom plate, respectively; the upper and lower sides of the fourth side plate are rotatably connected to the fourth top plate and the fourth bottom plate, respectively; the packaging carton Both the top and the bottom are provided with self-sealing pieces, the self-sealing pieces include a plug plate and a slot, and two ends of the plug plate extend with a bendable buckle plate, and the slot cooperates with the plug plate; The inserting plate is connected to one side of the third top plate with respect to the third side plate, and the slot is opened on the first top plate; the first bottom plate is connected to one side of the first side plate. The inserting board is provided, and the third base plate is provided with the slot.

Further, the slot is rectangular, and two ends of the slot are provided with buckle grooves that are inclined and cooperate with the buckle plate, the buckle grooves are inclined toward the slot direction, and the inclination angle is an acute angle.

Alternatively, the slot is rectangular, and two ends of the slot are provided with buckle slots perpendicular to the slot and mated with the buckle plate.

Alternatively, the slot is rectangular, and the width of the slot is twice the thickness of the cardboard of the packing box.

Further, the distance between the gusset plate on the third top plate and the third top plate is greater than the thickness of the packaging box material, and the distance between the gusset plate on the first bottom plate and the first bottom plate is greater than the thickness of the packaging box material. The shape of each of the gussets may be rectangular, trapezoidal, or triangular.

Further, the second top plate and the fourth top plate are each provided with a first yielding slot for giving way to two buckle plates provided on the third top plate, and the second bottom plate and the fourth bottom plate are both provided with There is a second yielding slot for giving way to two buckle plates provided on the first bottom plate.

Further, a first plug is rotatably connected to one side of the first top plate relative to the first side plate, and a third plug is rotatably connected to one side of the third bottom plate relative to the third side plate.

The invention has the following beneficial effects:

1. A self-locking packaging carton according to the present invention can be cut from a piece of cardboard, and no tape is needed for packaging, which can be self-sealed, saving time and effort, and saving costs.

2. It is provided with a first yielding slot and a second yielding slot, so that the gusset plate can be easily inserted into the gusset slot.

3. The self-sealing piece is provided with various embodiments to realize various options and functions. The slot is rectangular, and both ends of the slot are provided with a buckle groove which is inclined and cooperates with the buckle plate. The angle is an acute angle. After inserting the buckle into the buckle slot, the buckle plate is easily stretched and dislocated with the buckle slot to achieve self-sealing; the slot is rectangular, and the width of the slot is twice the thickness of the cardboard of the box, eliminating the need to design buckle slots on both sides , Improve the sealing and strength of the packaging box.

4. The gusset plate is designed with a yielding space, and the spacing of this space is greater than the thickness of the material of the packaging box, which is conducive to the gusset plate automatically popping open after inserting into the gusset slot to achieve the self-locking function.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an expanded view of the first embodiment; FIG.

2 is a schematic structural diagram of a side folding process according to the present invention;

FIG. 3 is a schematic structural diagram of the folded top and side portions of the present invention; FIG.

4 is a schematic structural diagram of a folded structure of the present invention;

5 is a developed view of the second embodiment;

FIG. 6 is a developed view of the third embodiment.

The reference numerals in the figure are represented as:

11, the first side plate; 111, the combination plate; 12, the second side plate; 13, the third side plate; 14, the fourth side plate; 20, the first yielding slot; 21, the first top plate; One tongue; 22, second top plate; 23, third top plate; 24, fourth top plate; 30, second yielding slot; 31, first bottom plate; 32, second bottom plate; 33, third bottom plate; 331, The second plug tongue; 34, the fourth bottom plate; 41, the plug plate; 411, the buckle plate; 42, the slot; 421, the buckle slot.

detailed description

The present invention will be described in detail below with reference to the drawings and specific embodiments.

Example one

1 to 4, a self-closing packaging packaging carton includes a first side plate 11, a second side plate 12, a third side plate 13, and a fourth side plate 14 which are sequentially and laterally connected in turn. A connecting plate 111 is rotatably connected to one side of the side plate 11 relative to the second side plate 12, and the upper and lower sides of the first side plate 11 are rotatably connected to the first top plate 21 and the first bottom plate 31, respectively. The upper and lower sides of the side plate 12 are rotatably connected to the second top plate 22 and the second bottom plate 32, respectively; the upper and lower sides of the third side plate 13 are rotatably connected to the third top plate 23 and the third bottom plate 33, respectively; The upper and lower sides of the side plate 14 are rotatably connected to the fourth top plate 24 and the fourth bottom plate 34, respectively; the top and bottom of the packaging carton are provided with self-sealing members, and the self-sealing members include the insert plate 41 and the slot 42. The two ends of the inserting plate 41 are extended with a foldable buckle plate 411, the slot 42 cooperates with the inserting plate 41, and a side of the third top plate 23 opposite to the third side plate 13 is connected. The inserting plate 41 is provided with the slot 42 on the first top plate 21; the first bottom plate 31 is opposite to the first side plate 11 41 is connected to one side of the interposer, the third bottom plate 33 defines a slot 42.

Further, the slot 42 is rectangular, and two ends of the slot 42 are provided with buckle grooves 421 that are inclined and cooperate with the buckle plate 411, and the buckle grooves 421 are inclined toward the slot 42 direction. And the tilt angle is an acute angle.

Further, the distance between the buckle plate 411 on the third top plate 23 and the third top plate 23 is greater than the thickness of the material of the packaging box, and the distance between the buckle plate 411 on the first bottom plate 31 and the first bottom plate 31 The thickness is larger than the thickness of the packaging box material, and the sufficient distance is favorable for the buckle plate 411 to be automatically opened after being inserted into the buckle groove 421 to realize the self-locking function. The shape of each of the buckle plates 411 may be rectangular, trapezoidal, or triangular.

Further, a first tongue 211 is rotatably connected to one side of the first top plate 21 relative to the first side plate 11, and a third plug is rotatably connected to one side of the third bottom plate 33 relative to one side of the third side plate 13. Three tongues 331.

The assembly process of this embodiment is as follows:

The present invention can be made by cutting materials such as cardboard, corrugated paper, and double-layer boards at one time. Preferably, the widths of the first top plate 21, the first side plate 11, and the first bottom plate 31 are the same. The slot 42 is opened on the side connected to the first side plate 11; the widths of the third top plate 23, the third side plate 13 and the third bottom plate 33 are the same, and the slot 42 on the third bottom plate 33 is opened Connected to one side of the third side plate 13.

The first side plate 11, the second side plate 12, the third side plate 13, and the fourth side plate 14 are folded into a square shape, the bonding plate 111 is adhered to the inner surface of the fourth side plate 14, and the second bottom plate 32 and the first side plate are folded. The four bottom plates 34 fold them into a square space, fold the third bottom plate 33, and insert the second tongue 331 in the gap between the second bottom plate 32, the fourth bottom plate 34, and the first side plate 11, and then fold the first bottom plate 31 , Bend the buckle plate 411 on the first bottom plate 31 to the same angle as the buckle groove 421 on the third bottom plate 33 and insert the insert plate 41 into the slot 42. After inserting the buckle plate 411 into the buckle groove 421, it is extended and abuts against On the inner surface of the third base plate 33, the first base plate 31 and the third base plate 33 are engaged with each other; the second yielding grooves 30 on the second base plate 32 and the fourth base plate 34 allow the buckle plate 411 to make room for movement.

The self-sealing process of the first, second, third, and

fourth top plates

21, 22, 23, and 24 on the top of the packaging box is consistent with the self-sealing process on the bottom.

Example two

Referring to FIG. 2 to FIG. 5, this embodiment is different from the first embodiment in that the slot 42 is rectangular, and two ends of the slot 42 are provided perpendicular to the slot 42 and aligned with the slot 42. The buckle groove 421 fitted with the buckle plate 411 is described.

The assembly process of this embodiment is as follows:

The first side plate 11, the second side plate 12, the third side plate 13, and the fourth side plate 14 are folded into a square shape, the bonding plate 111 is adhered to the inner surface of the fourth side plate 14, and the second bottom plate 32 and the first side plate are folded. The four bottom plates 34 fold them into a square space, fold the third bottom plate 33, and insert the second tongue 331 in the gap between the second bottom plate 32, the fourth bottom plate 34, and the first side plate 11, and then fold the first bottom plate 31 Bend the buckle plate 411 on the first bottom plate 31 in half, and then insert the insert plate 41 and the buckle plate 411 into the slot 42 and the buckle groove 421, respectively. After the buckle plate 411 is inserted into the buckle groove 421, it will spring automatically. Open, the top abuts on the inner surface of the third bottom plate 33, so that the first bottom plate 31 and the third bottom plate 33 are engaged; the second yielding groove 30 on the second bottom plate 32 and the fourth bottom plate 34 is used for the buckle plate 411. Out of event space.

The self-sealing process of the first, second, third, and fourth

top plates

Example three

Referring to FIGS. 2 to 4 and FIG. 6, this embodiment is different from the above two embodiments in that the slot 42 is rectangular, and the width of the slot 42 is twice the thickness of the cardboard of the packing box; There are no buckle grooves 421 at both ends of the groove 42.

The assembly process of this embodiment is as follows:

The first side plate 11, the second side plate 12, the third side plate 13, and the fourth side plate 14 are folded into a square shape, the bonding plate 111 is adhered to the inner surface of the fourth side plate 14, and the second bottom plate 32 and the first side plate are folded. The four bottom plates 34 fold them into a square space, fold the third bottom plate 33, and insert the second tongue 331 in the gap between the second bottom plate 32, the fourth bottom plate 34, and the first side plate 11, and then fold the first bottom plate 31 , The buckle plate 411 on the first bottom plate 31 is bent inward to fit with the slot 41, and then the plug plate 41 and the buckle plate 411 are inserted into the slot 42 together, after the buckle plate 411 is inserted into the slot 42, The bending will spring off automatically, the top abuts against the inner surface of the third bottom plate 33, so that the first bottom plate 31 and the third bottom plate 33 engage; the second yielding slot 30 on the second bottom plate 32 and the fourth bottom plate 34 Make room for gusset 411.

The self-sealing process of the first, second, third, and fourth

top plates

The above description is only an embodiment of the present invention, and thus does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description and drawings of the present invention, or directly or indirectly applied to other related technologies The same applies to the fields of patent protection of the present invention.

Claims

A self-closing packaging packaging carton, characterized in that it includes a first side plate (11), a second side plate (12), a third side plate (13), and a fourth side plate (14) that are sequentially and laterally connected in turn. A side of the first side plate (11) relative to the second side plate (12) is connected with a combination plate (111), and the upper and lower sides of the first side plate (11) are respectively connected to the first top plate; (21) is rotatably connected to the first bottom plate (31); upper and lower sides of the second side plate (12) are rotatably connected to the second top plate (22) and the second bottom plate (32), respectively; and the third side plate The upper and lower sides of (13) are rotatably connected to the third top plate (23) and the third bottom plate (33), respectively; the upper and lower sides of the fourth side plate (14) are respectively connected to the fourth top plate (24) and the fourth bottom plate. (34) Rotating connection; the top and bottom of the packaging carton are provided with self-sealing members, the self-sealing members include a plug-in board (41) and a slot (42), and both ends of the plug-in board (41) extend A bendable buckle plate (411) is provided, and the slot (42) cooperates with the plug plate (41); the third top plate (23) is connected to one side of the third side plate (13) The insertion board (41) is provided, and the first top plate (21) is provided with the slot (42); The inserting plate (41) is connected to one side of the first base plate (31) opposite to the first side plate (11), and the third base plate (33) is provided with the slot. (42).
The self-closing packaging carton according to claim 1, wherein the slot (42) is rectangular, and both ends of the slot (42) are inclined and are connected to the buckle plate. (411) A matching buckle groove (421), the buckle groove (421) is inclined toward the slot (42), and the inclination angle is an acute angle.
The self-closing packaging packaging carton according to claim 1, wherein the slot (42) is rectangular, and two ends of the slot (42) are provided with the slot (42) ) A buckle groove (421) that is vertical and cooperates with the buckle plate (411).
The self-closing packaging packaging carton according to claim 1, wherein the slot (42) is rectangular, and the width of the slot (42) is twice the thickness of the cardboard of the packaging box.
The self-closing packaging carton according to claim 1, characterized in that the distance between the buckle plate (411) on the third top plate (23) and the third top plate (23) is greater than the material of the packaging box The thickness of the buckle plate (411) on the first base plate (31) and the first base plate (31) is greater than the thickness of the packaging box material; the shape of each buckle plate (411) may be rectangular, Trapezoidal or triangular.
The self-closing packaging carton according to claim 1, characterized in that: the second top plate (22) and the fourth top plate (24) are both provided to the third top plate (23). The two first buckling plates (411) give way to the first yielding groove (20), and the second bottom plate (32) and the fourth bottom plate (34) are provided for the first bottom plate (31). The two yielding slots (30) on the two buckle plates (411) on the top.
The self-closing packaging packaging carton according to claim 1, wherein the first top plate (21) is rotatably connected to a first tongue (211) with respect to one side of the first side plate (11). ), A third insertion tongue (331) is rotatably connected to one side of the third bottom plate (33) relative to the third side plate (13).