WO2018049719A1

WO2018049719A1 - Packaging container sealing structure

Info

Publication number: WO2018049719A1
Application number: PCT/CN2016/104479
Authority: WO
Inventors: 詹玲郎; 钟华
Original assignee: 洽兴包装工业（中国）有限公司
Priority date: 2016-09-19
Filing date: 2016-11-03
Publication date: 2018-03-22
Also published as: CN107839939A

Abstract

A packaging container sealing structure comprises: a container body (10); opening portions arranged at the top and bottom of the container body; and first and second cover panels (11, 12) arranged at opposite sides of the opening portion and folded inwardly to seal the opening portion. The first and second cover panels are assembled by combining a protruding insertion frame (20) and a recessed insertion frame (30) which are respectively provided with a protruding fastener and a recessed fastener and arranged at corresponding sealing edges of the cover panels. Upon execution of a sealing operation, the first and second cover panels are sequentially folded to close the opening portion, such that the insertion frames at the opposite sides thereof are stacked with respect to each other to form a sealing line. After the two cover plates have closed the opening portion, the insertion frame having a projecting tongue can be pressed downwardly, such that the protruding fastener and the recessed fastener respectively provided at the two cover panels are joined by snap-fit engagement. The invention enables sealing edges of a container to be assembled and secured easily to form a smooth sealing surface, thereby performing packaging and sealing operations continuously and conveniently.

Description

Packing box sealing structure

Technical field

The invention relates to a packaging structure, in particular to a sealing structure of a packaging box.

Background technique

Generally, the packing and packaging of the packaging box is used, whether it is a cardboard or a new type of moisture-proof plastic packaging box formed by the honeycomb hollow plastic panel surface, after the packing is completed, at the mouth of the box or the bottom surface of the box, according to the fourth The side cover is divided into movable cover plates, which are folded inwardly and inwardly, and are covered by inner and outer layers to complete the complete sealing and closing of the top and bottom, and are sealed with tape on the outside of the sealing edge of the cover plate which is relatively folded. Adhesively closing the side surface to achieve the sealing and sealing of the top and bottom of the box body, and also to achieve the purpose of sealing the box filling mouth, and the sealing design of the tape is stuck in the box of the cardboard material. It may be ok, but more and more packaging boxes with plastic sheets are required for moisture-proof and safe packaging. The plasticized surface is not easy to be bonded due to the smooth plastic surface. Hard and easy to deform, it is necessary to use a very sticky tape, or even a hot-melt spray or a nail to directly fill the back cover to cover the edge. If it is still uneven, even a strap is required. Do a full box of packaging, square The operation of safe sealing not only increases the sealing man-hour and material cost, but also requires relatively skilled technical manpower. As a result, the overall packaging cost increases, which is even more inconsistent with environmental packaging requirements, especially the inconvenience of subsequent unpacking and sheet recycling. The inconvenience of classification processing is plagued by the use of plastic sheet composite boxes that are light and moisture-proof and stable in recent applications. It is becoming more and more common in use, how to simplify the sealing work and packaging cost after packaging, and to achieve economical and convenient use. It is truly in line with the protection of the earth and the convenience of recycling and packaging of packaging materials. Unable to meet the demand.

Summary of the invention

In order to overcome the above drawbacks, the present invention provides a sealing structure for a package, the sealing structure of the packaging box can avoid sealing by using a traditional tape or a packaging tape, and the invention has good sealing property and can be recycled. Meet the requirements of environmental protection.

The technical solution adopted by the present invention to solve the technical problem thereof is: a sealing structure of a packaging box, comprising an opening portion of the packaging box body and the top and bottom ends thereof, and folding the group to close the opening end surface in the opposite side surface of the opening portion The first and second cover plates; the first and second cover sealing edge faces of the outer side of the box body which are oppositely folded at the two ends of the box body are provided with prefabricated male and female insert frames respectively corresponding to the first and second cover plates forming the sealing edge The male and female insert frames are assembled and assembled with each other, and the male and female insert frames are respectively provided with male fasteners and female fasteners on the inner edges, and the male fasteners and the female fasteners are fastened and assembled with each other. After the sealing of the box body is ensured, the two end faces are flat, and the male and female fasteners are respectively arranged on the opposite inner edges of the two insertion frames. When the stacking is pressed, the male and female fasteners are fastened and assembled with each other to make the cover The board is simply stacked and integrated to achieve a stable and secure sealing operation.

Preferably, the opposite sides of the first and second cover plates are provided with concave low-level insert faces for the two insert frames to be flush with the plate surface after being inserted.

Preferably, the first and second cover plates are respectively assembled according to the inserts in the male and female insert frames, and then assembled by mutual bonding by hot melt processing.

Preferably, the two sides of the male insert frame extend the buckle piece, and the side surface of the box body is provided with a slot fastener corresponding to the buckle piece, and the buckle piece can be bent and fixed in the slot fastener to assist positioning.

Preferably, the male and female fasteners are in a symmetrical convex half-angle hook structure.

Preferably, the male fastener is in the shape of a round rod, and the female fastener is in the shape of a groove, and the male fastener can be inserted into the female fastener to be fastened to each other.

Preferably, the rod of the male fastener is provided as one of a solid, a hollow and an open groove.

Preferably, the male and female fasteners are arranged in the shape of a line, a point or a spacer according to the actual fastening length.

Preferably, the outer surface of the female insertion frame is provided with a drainage groove along the longitudinal direction thereof, and the female insertion frame is inside the male insertion frame, which is of course interchangeable, so that the flow will flow along the drainage groove when there is water on the surface of the cover plate. Go outside the box and not into the box.

Preferably, the inner surface of the male and female insert frames are provided with convex strips on one side of the first and second cover plates along the width direction thereof, and the convex strips press the surfaces of the first and second cover plates to facilitate sealing.

The invention has the beneficial effects that the invention directly covers the edge of the outer cover plate opposite to the sealing edge of the box edge of the packaging box, so as to preset the insertion frame with the male and female fasteners, respectively, and is respectively inserted into the cover. The opposite sides of the first and second cover plates are used for capping, and the mating frame edges of the two adjacent sides are appropriately pressed, so as to be folded and assembled to each other, and the cover is automatically closed when the cover is closed. The solid effect effectively overcomes the inconvenience of the conventional packaging box being sealed due to the use of the tape, and the invention has good sealing performance and can be recycled to meet the requirements of environmental protection.

DRAWINGS

Figure 1 is a reference view of the assembly appearance of the sealing structure of the box body of the present invention;

Figure 2 is a schematic view showing the appearance of the sealed box after packaging of the present invention;

Figure 3 is a plan schematic reference view of the sealing structure of the box body of the present invention;

Figure 4 is a schematic view of a fastening aid on both sides of the box body of the present invention;

Figure 5 is a second example of the plane sealing structure of the box body of the present invention;

Figure 6 is a third example of the plane sealing structure of the box body of the present invention;

Figure 7 is a fourth example of the plane sealing structure of the box body of the present invention;

Figure 8 is a fifth example of the plane sealing structure of the box body of the present invention;

Figure 9 is a sixth example of the plane sealing structure of the box body of the present invention;

Fig. 10 is a schematic reference view of the fastening process of the plug structure of Fig. 9.

detailed description

Embodiment: In order to facilitate the review committee members to further understand the structural features of the present invention and For the purpose, please follow the following examples to illustrate in detail:

The invention relates to a sealing structure of a packaging box, which mainly provides a sealing structure design of a filling box mouth after packaging of a general packaging box, please cooperate with FIG. 1 to FIG. 4, and the whole sealing design includes a package for packaging. The box body 10 is substantially similar in appearance to a general box body, and is generally designed in a square or rectangular shape. The upper and lower sides are respectively formed with an opening shape, and the opposite sides of the opening are respectively provided with bendable symmetry. After the two

cover plates

11 and 12 are folded in and out of the inner and outer rows, the open end faces of the box body can be closed, and before the box body 10 is packaged, it is usually necessary to fold the side end faces into a box bottom shape to provide safety. For the purpose of loading and unloading, the present invention mainly provides a fixed seal for the first and

second cover plates

11 and 12 when the first and

second cover plates

11 and 12 are folded into the upper and lower end openings of the closed box body 10 at the same time. Box operation.

The structural design of the entire sealing box is that when the cover surface is folded into the sealing operation, the first and

second cover plates

11 and 12 opposite to each other on the outer side of the stacking group are slightly recessed first according to the actual insertion group. The lower-

order mating surfaces

111 and 121 on the two cover plates are disposed to provide a set of male and female insert frames 20 with pre-formed sockets of the same shape and size as the first and

second cover plates

11 and 12, respectively. 30 is divided into a male and female stacked clip assembly, wherein the male and

female insert frames

20, 30 have a symmetry with the

mating surfaces

111, 121 of the first and

second cover plates

11 and 12 The insertion groove 21 of the appropriate depth is recessed, and the male and female insertion frames can be securely inserted and fixed to the frame side faces of the first and

second covers

11 and 12 to form a fixed frame edge of the cover plate. It is worth mentioning that the male and

female insert frames

20 and 30 of the two opposite inserts are inserted into the male and female inserts according to the need for the first and

second cover plates

11 and 12 to be folded together. The two sides of the

frame

20 and 30 are inserted into the end edges of the first and

second cover plates

11 and 12 to form a sealing frame edge of the insert stack, and are arranged at the frame edge of the second cover plate 12 The frame level of the micro-concave, the frame edge for the first cover 11 to be covered, can be stacked to form a flat end face shape, that is, the male and

female insert frames

20, 30 of the male and female stacks are designed and assembled, and In order to ensure the stability of the male and

female mating frames

20 and 30, according to the first and

second covers

11, 12 is also a plastic material after the plug-in assembly, can be easily hot-melt processing, the frame and the first and

second covers

11, 12 can be bonded and integrated with each other, without the doubt of falling off; The male insert frame 20 on the outer side of the sealing edge, the frame top surface 22 of the inserted frame extends outward in a cantilever manner, and the extending portion is adjacent to the middle position of the first cover 11 23, with appropriate width, providing a stable and convenient force when unpacking and dialing, extending to the inner side of the side of the female insert frame 30 on the other side of the cover line after the cover, and the cover of the extended top surface 22 In the middle position of the inner side, according to the length of the board surface, a protruding male fastener 24 is provided, which has a long strip design, which can be arranged in intervals according to the length of the board surface, so as to achieve the labor saving and pressure during the fastening. The female insertion frame 30 assembled on the other side of the sealing edge is matched with the extension length of the top surface 22 of the male insertion frame 20, and the relatively concave class plate surface 31 is preset on the top surface of the frame body for supply. The extension of the top plate surface 22, and at the position relative to the male fastener member 24, on the recessed class plate surface 31 The relative position of the female fastener 32 can be assembled with the male fastener 24, and the opposite auxiliary positioning concave and convex device can be preset on the side of the fastener for fastening. The positioning aid is not necessary, so it is not detailed in the drawings. It mainly provides convenient positioning of the male and

female mating frames

20 and 30, which can be easily positioned and integrated, thereby achieving the entire first and

second cover plates

11, 12 After the sealing, the fastening combination is used to achieve the safe sealing operation of the two ends of the box or the filling mouth; and the two sides of the relatively closed frame can be safely closed and closed. The outer side of the two ends of the male insert frame 20 is flush with the side surface of the box body, and a stretchable buckle piece 25 is respectively extended, and the groove corresponding to the relative position of the side plate 13 of the box body can be directly bent and discounted. The fastener 14 is hooked by the hook edge of the concave fastening hole provided in the middle of the slot fastener 14 to achieve the auxiliary fastening operation on both side ends, thereby ensuring the safe sealing and sealing of the top surface of the box. Stable, so that the filling and sealing operation of the plastic packaging box can be synchronized to the sealing and fastening at the time of closing and closing The operation is convenient and safe and practical. The outer surface of the female insert frame is provided with a drain groove 26 along its longitudinal direction (in this example, the female insert frame is inside the male insert frame, of course interchangeable). This will follow the water on the surface of the cover. The drain groove flows out of the box body and does not flow into the box body. The inner surface of the male and female insert frame is provided with a ridge 27 along the width direction thereof toward the first and second cover plates, and the ribs press the first and second cover plates. The surface is so good for sealing.

For the actual sealing and fastening positioning design structure, in fact, according to the convenience of forming and the need of actual fastening control, the fastening shape of the male fastening member 24 and the female fastening member 32 for fastening can also be set as shown in FIG. 5. The fastener shape is similar to that of the previous embodiment, and is a symmetrical convex half-angle hook-like structure, which can be positioned relative to the insertion hook, and is pulled up by the dial 23 when the box is unpacked. The male fastener 24 can be squeezed out of the fastening surface of the female fastener 32, and the device can be opened to remove the packaging material, and the box body after unpacking depends on the characteristics of the plastic box. 10 can provide repetitive packaging for use, it is also safe to use for easy sealing; as shown in Figure 6 to Figure 8, where the position of the snap-fit male and

female fasteners

24, 32 can be interchanged, The fasteners 24 are slightly rounded, as shown in FIG. 9, the male fasteners 24 are slightly L-shaped, and the female fasteners 32 are interlocked with each other in a symmetrical engagement groove shape. The rod body can be solid or hollow, even in the form of a saw-opening groove, which is mainly inserted when the fastening clip is provided. Convenience and stability requirements, which can be designed according to the length of the actual buckle, or the arrangement of the shape of the dots or spacers, can all achieve the same positioning effect of the card insertion, and can also reach the first and second cover plates 11 of the box. The simple and safe use effect of 12-packing operation is the patent scope of the synchronous sealing and fastening design of the present invention; for the further presentation process, as shown in Fig. 10, it is the buckle of the male and female fasteners of the plug-in structure of Fig. 9. In the step of decomposition, the arrow in the figure is the pointing indication of the fastening step, and the figure is schematically illustrated.

The main creative feature of the present invention is that the upper and lower opening edges of the entire box body 10 are assembled according to the folding of the first and second covers 11 and 12 for the sealing box, and the relative folding of the sheets at the outermost side. The sealing edge surface is inserted into the prefabricated male and female insert frames 20 and 30 respectively, and is assembled into a stackable male and female jointed assembly to achieve a flat appearance after sealing the two end faces of the box. The male fastener 24 and the female body are respectively arranged through the inner edges of the plate frames on both sides of the stack The fasteners 32 are assembled and fastened together when the stacking is pressed, so that the first and

second cover plates

11 and 12 are integrally assembled, and are fastened and assembled by the fastening, and the stacking is first, The two

cover plates

11 and 12 are relatively extended to the two sides of the box body, and the buckle piece 25 is extended according to the edge of the inserted board frame, and is directly inserted into the through hole of the slot fastener 14 fixedly mounted on the side of the box body. The edge hook positioning ensures that the edge of the sheet is inadvertently buckled or because the sheet is plastically deformed, causing the situation that the warping is indecent and the risk of stacking may occur, and the safe and smooth use of the box sealing is indeed achieved; In particular, when the user opens the box, it is only necessary to simply remove the hooking and positioning of the side clasps 25, and the tongue piece 23 extending from the center stack is lifted up, and then the male and female buckles can be removed by pulling up. The snapping of the

pieces

24 and 32 can achieve the simple operation of unpacking and unloading the packaged articles, and can be easily completed without special technology and tools relying on and assisting, and after unpacking and unloading the contents, the whole package box Recyclable and reusable, also with the convenience of repeated sealing, so that the packaging box The use of the product has indeed achieved environmentally friendly and economical functional design. The sealing design of the automatic sealing and fastening is not only designed for the sealing operation and safety design of the packaging box, but also for the new sealing structure. The utility model has the advantages of simple, practical and safe operation of the box, and the invention is particularly suitable for the plastic packaging box which is folded by the plastic hollow honeycomb sheet.

In summary, the sealing structure of the packaging box of the present invention has a folding frame which is folded through the opening edge of the opening of the casing, and is pre-inserted with a folding frame which is folded and assembled by the male and female fasteners. By inserting and closing the sealing and snapping positioning, the sealing operation of the packaging box is greatly simplified, and the utility model has the characteristics of being practical, safe and convenient, and is completely new and practical in terms of the sealing operation and use design of the packaging box. It is more in line with the environmentally-friendly and recyclable structural design. The environmentally-friendly, economical and practical industrial use value has already met the requirements of the invention patent application, and the patent application is issued according to law.

Claims

A sealing structure of a packaging box, comprising: an opening portion of the packaging box body and the top and bottom ends thereof; and first and second cover plates for folding the closed end surface of the opening in the opposite side faces of the opening portion; The first and second cover sealing edges of the outer side of the sealing body with the opposite ends are provided with prefabricated male and female inserting frames respectively corresponding to the first and second cover plates forming the sealing edge, and the male and female inserting frames are interspersed with each other. Assembling, the male and female insert frames are respectively provided with male fasteners and female fasteners relative to the inner edge, and the male fasteners and the female fasteners are fastened and assembled with each other.
The package structure of a package according to claim 1, wherein the opposite sides of the first and second cover plates are provided with concave low-order insert faces.
The sealing structure of the packaging box according to claim 1, wherein the first and second cover plates are respectively assembled corresponding to the hot-melt inserts in the male and female inserting frames.
The sealing structure of the packaging box according to claim 1, wherein the two sides of the male insertion frame are provided with a buckle piece, and the side surface of the box body is provided with a groove fastening member corresponding to the buckle piece, and the buckle piece can be bent and discounted. Fastened in the slot fastener.
The sealing structure of the packaging box according to claim 1, wherein the male and female fasteners are in a symmetrical convex half-angle hooking structure.
The sealing structure of the packaging box according to claim 1, wherein the male fastening member has a round rod shape, and the female fastening member has a groove shape, and the male fastening member can be inserted into the female fastening member to be fastened to each other. .
The package structure of a package according to claim 6, wherein the rod of the male fastener is provided as one of a solid, a hollow and an open groove.
The sealing structure of the packaging box according to claim 1, wherein the male and female fasteners are arranged in the shape of a line, a point or a spacer according to the actual fastening length.
The package structure of a package according to claim 1, wherein: The outer surface of the frame is provided with a drainage groove along its length.
The sealing structure of the packaging box according to claim 1, wherein the inner surface of the male and female inserting frames are provided with convex strips on one side of the first and second cover plates along the width direction thereof, and the protruding strips are pressed against the first surface. Two cover surfaces.