CN214931412U - Environment-friendly packaging box - Google Patents

Abstract

The utility model discloses an environment-friendly packing box, which relates to the packing field, one or two outer side paperboards at one sealing position of the packing box are provided with one or more protruding parts with protruding blocks, the other outer side paperboard at the same layer is provided with a gap block which is opposite to the outer side paperboard and can lead the protruding parts in and out, the inner side paperboard has a gap with a box body, and the other sealing position adopts the adhesive tape packaging design without the protruding blocks of the gap block; the space block is rectangular, solid frames are arranged around the space block, and the length of the space block is not less than the maximum length of the protruding part where the protruding block is located; the protruding blocks are arranged on one side of the protruding portion where the protruding blocks are located, other portions are not arranged on the periphery of the three sides, one of the protruding blocks is called an obtuse angle, after the protruding blocks are fixed, at least part of the protruding blocks fall out of the length range of the gap blocks, the length range of the protruding blocks can fall into the length range of the gap blocks when the box body is twisted, plastic adhesive sheets are adhered to the protruding blocks, the peripheral portions of the protruding blocks and the portions of the gap blocks possibly bordering the protruding blocks, and the packing box can be reused.

Description

Environment-friendly packaging box

Technical Field

The utility model relates to the field of packaging, especially, relate to an environmental protection packing box.

Background

The upper and lower sealing parts of the prior packing box are sealed by using adhesive tapes which are too many and are not beneficial to environmental protection, and after the packaging box is used once, the adhesive tapes are required to be torn off and reused, so that the edge part of an outer paperboard is torn at least, the packing box is difficult to be completely recycled, the paper pulp is required to be recycled and processed again, the process is complex, resources consumed in the process are too many, and the packaging box is not beneficial to energy conservation and environmental protection, for an invention patent with the publication number of CN112693715A, the upper and lower sealing parts are both sealed by using a protruding block and a gap block in a buckling manner, when the packing box is used as an express packing box, two surface sheets need to be pasted for the sake of safety, the practical waste of the surface sheets is caused, and the problem of practicality and inconvenience is caused, and for the invention patent, the protruding block can be broken when the protruding block is buckled with the gap block, and the repeated use of the packing box is difficult to realize, and the inner side paper board of the invention patent is not separated from the paper box when being placed in the paper box, thereby influencing the effect of twisting the box body and being difficult to operate practically.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned problem or solve above-mentioned problem at least partially, the embodiment of the utility model provides an environmental protection packing box.

The embodiment of the utility model is realized like this:

one or more protruding parts with protruding blocks are arranged in one or two outer paper boards in one of the upper seal or the lower seal of the packing box, the outer paper board where the protruding blocks are located is opposite to the other outer paper board at the upper seal or the lower seal of the same layer, and a gap block which can penetrate the protruding parts containing the protruding blocks is arranged on the other outer paper board, the protruding blocks are quadrilateral, all parts of part or all of the protruding blocks and a rectangular area which is connected with the protruding blocks and takes the connecting edge of the protruding blocks and the protruding parts as one edge are adhered with plastic adhesive sheets, and when the inner paper board at the seal where the outer paper board with the protruding blocks of the gap blocks is located is placed in the box body, a gap is formed between the edge of the inner paper board, which is perpendicular to the connecting edge of the inner paper board and the box body, and the box body.

The utility model discloses a some embodiments, the space piece is the rectangle and all has the entity frame around it, and has the projecting part in the length range of part space piece place outside cardboard, and the width of the rectangle region of space piece is between 1 times and 2.5 times of outside cardboard thickness, and its maximum length is not less than the projecting piece and the projecting part that cup joint with it in the length parallel with its length ascending maximum length of side.

In some embodiments of the present invention, the boundary line between the protruding portion and the non-protruding portion is parallel to one of the edges of the top view of the box body, the protruding block is set from one of the sides of the extending portion of the boundary line in the direction of the protruding portion, which does not include the boundary line, in the direction of the protruding portion, and no other portion is connected to the protruding block around the three sides except the boundary side where the protruding block is connected to the other portion of the protruding portion.

In some embodiments of the present invention, the protruding block is a quadrilateral, wherein an angle at which an end point of the protruding portion is located in two ends of the exposed side of the outer side of the cardboard connected to the box body near the protruding block is an obtuse angle, and an angle at which another end point of the protruding portion is located near the protruding portion is an acute angle.

The utility model discloses an in some embodiments, after two outside cardboards that have space piece and outstanding piece alternate fixedly, the edge of the space piece of being close of the frame of its place outside cardboard and the parallel limit is connected with the box to the space piece and outstanding piece rather than the limit distance nearest that the place outside cardboard meets with the box, both sides of place are an extreme point that the limit of obtuse angle and acute angle meets respectively for the acute angle, guarantee that two outside cardboards cup joint back furthest guarantees that the outside cardboard is as far as possible horizontal.

In the above embodiment, at least part of the protruding portion including the protruding block is inserted into the space block and the protruding block is at least partially outside the line perpendicular to the boundary line where the two edges in the longer direction of the space block are located when the space block and the outer paperboard where the protruding block is located are not twisted.

In the above embodiment, after the outer paperboard with the protruding block and the gap block is inserted and fixed, the center line of the width of the part of the protruding part integrated with the protruding block, which does not include the protruding block, is on the same vertical line as the center line of the width of the gap block inserted into the protruding block.

In the above embodiment, after the non-protruding parts of the two outer paperboards on the same layer of the packaging box are fixed, no overlapping part exists between the parts, the outer paperboards are all located inside the edge of the packaging box body of the packaging box, and the length of the inner paperboard at the sealing position of the outer paperboard with the protruding blocks and the gap blocks in the packaging box in the direction parallel to the edge where the inner paperboard is connected with the packaging box body is smaller than the length of the inner gap of the packaging box body in the direction.

In some embodiments of the present invention, for the outer side paper boards with the protruding blocks, when the protruding blocks are on the same outer side paper board, the protruding blocks are on the same left side or right side of the protruding portion; for the outer paper boards with the protruding blocks, when any two protruding blocks respectively reside on different outer paper boards on the same layer, the two protruding blocks respectively reside on the left side and the right side of the protruding parts where the protruding blocks respectively reside, or reside on the right side and the left side of the protruding parts where the protruding blocks respectively reside.

In some embodiments of the present invention, the plastic adhesive sheet is adhered to the peripheral frame of the space block or the wide frame of the part of the space block possibly connected to the protruding block or the frame of the part of the possible contact part away from and parallel to the side of the outer side paper board connected to the box.

In some embodiments of the present invention, the sealing position of the outer side paper board having the space block or the protruding block is sealed by tape sticking after being placed flat for the two outer side paper boards at the other sealing position of the box.

To sum up, an environmental protection packing box, the outstanding piece part through the outside cardboard in the direction on the long limit of perpendicular to space piece is in outside the long limit edge of space piece realizes the buckle of outstanding piece and space piece and realizes sealing of packing box, when needs are opened, through the distortion outside cardboard and rather than the shape of the box of continuous part realize that outstanding piece is arranged in within the space piece length scope thereby stretch out outstanding piece and then open the packing box, to big packing box or the packing box that needs the bearing bigger, can set up several groups of corresponding space pieces more, outstanding piece, or paste the piece that glues of the different plastics material of hardness in order to realize better fixed effect around outstanding piece, the space piece.

The utility model has the advantages that:

one or more protruding parts with protruding blocks are arranged in one or two outer paper boards in one of the upper seal or the lower seal of the packing box, the outer paper board where the protruding blocks are located is opposite to the other outer paper board at the upper seal or the lower seal of the same layer, and a gap block which can penetrate the protruding parts containing the protruding blocks is arranged on the other outer paper board, the protruding blocks are quadrilateral, all parts of part or all of the protruding blocks and a rectangular area which is connected with the protruding blocks and takes the connecting edge of the protruding blocks and the protruding parts as one edge are adhered with plastic adhesive sheets, and when the inner paper board at the seal where the outer paper board with the protruding blocks of the gap blocks is located is placed in the box body, a gap is formed between the edge of the inner paper board, which is perpendicular to the connecting edge of the inner paper board and the box body, and the box body.

Therefore, the packaging box can be completely sealed by only using one express bill when the packaging box is used as an express box, and meanwhile, the sealing position does not need an adhesive tape, so that the using amount of the adhesive tape is saved, and the environment is protected.

The utility model discloses an in some embodiments, the space piece all has the entity frame for rectangle and its periphery, and has the salient in the length range of partial space piece place outside cardboard, and the width of the rectangle region of space piece is between 1 times and 2.5 times of outside cardboard thickness, and its maximum length is not less than with it the outstanding piece that cup joints and the maximum length of salient in the direction parallel with its length, guarantees that the salient that has outstanding piece can penetrate and wear out the space piece.

In some embodiments of the present invention, the boundary line of all the protruding portions and the non-protruding portion is parallel to one of the edges of the top view of the box, the protruding block is set from the boundary line to the protruding portion direction in the extending portion, excluding one of the sides of the boundary line, and the protruding block is connected to the protruding block without other portions around the three sides except the boundary line where the protruding block is connected to the other portions of the protruding portion, so as to ensure that the protruding portion where the protruding block is located can be inserted into the space block, and ensure that the protruding block realizes the sealing of the outer side paperboard under the buckle of the frame around the space block.

In the above embodiment, the protruding block is a quadrangle, wherein an angle at which one end point far from the protruding portion of the two ends of the exposed side of the box body, which is close to the outer side of the protruding block, is an obtuse angle, and an angle at which the other end point close to the protruding portion excluding the protruding block is an acute angle.

Furthermore, after the two outer side paperboards with the gap blocks and the protruding blocks are inserted and fixed, the edge, close to the gap block, of the frame, away from the side where the outer side paperboard is connected with the box body and parallel to the gap block is closest to the side, close to the side where the outer side paperboard is connected with the box body, of the protruding block, and the end point, close to the acute angle, of one side where two sides of the protruding block are respectively obtuse angle and acute angle is located, is connected with the end point, so that the protruding part where the protruding block is located is sleeved in the gap block, and the protruding block can be more conveniently inserted and penetrated through by utilizing the obtuse angle.

Furthermore, at least part of the protruding part containing the protruding block is inserted into the gap block and ensures that when the gap block and the outer paperboard where the protruding block is located are placed without being twisted, the protruding block at least partially falls outside a line perpendicular to the boundary line, where two edges in the longer direction of the gap block are located.

Further, the outside cardboard that has outstanding piece and space piece alternates and fixes the back, and the part width central line that does not contain outstanding piece in the outstanding part as an organic whole with outstanding piece is with the space piece width central line that wears the male with outstanding piece on same vertical line, can guarantee like this that outstanding piece can with the space piece buckle and under no external force action, seal the department and can not part, and when needs are unpacked apart, only need twist and seal the department and near box part just can open and seal the department.

The utility model discloses an in some embodiments, the partly or whole quadrangular region that has obtuse angle of outstanding piece of packing box reaches the partial region who links to each other and pastes the bonding die of plastics material, the bonding die of plastics material is pasted with the edge of the part of outstanding piece possible contact in the part or whole space piece of packing box.

According to the packaging box, the sealing of the sealing position is realized through the buckling support between the gap blocks and the protruding blocks on the two outer side paperboards at the sealing position on the same layer, so that the sealing fixation of the packaging box is realized, when the sealing position is disassembled, the protruding blocks can extend out of the gap blocks and further the sealing position is disassembled by twisting the shape of the box body at the sealing position and nearby the sealing position, so that an adhesive tape is omitted, the design that the protruding blocks correspond to the gap blocks is adopted for the upper sealing position and the lower sealing position, the adhesive tape can be completely abandoned, and the environment-friendly function is very good; and can easily open the packing box and then easily fold the packing box again after using, the convenient transportation, and then realized the reuse many times of packing box, promoted the value of its packing box, both removed from to tear the loaded down with trivial details of sticky tape recycle relatively traditional packing box, also removed the resource, manpower, the procedure waste that cause in traditional packing box processing becomes paper pulp regeneration and utilizes from, also greatly protected the environment.

The utility model discloses a in some embodiments, to the packing box with two outside cardboard parts for not having the protruding part of outstanding piece and the protruding part interlude fixed design that has the space piece, the part meets after the outside cardboard at place is fixed there is not overlap portion between the part, this kind of design is favorable to pasting the face list in here when the packing box uses as the express delivery case, has guaranteed the effect of wainscot list.

In some embodiments of the present invention, the sealing position of the outer side paper board with the protruding block or the space block is designed to be sealed by tape sticking after being placed flat relative to the outer side paper board at another sealing position of the box body, and compared with the invention patent with the publication number of CN112693715A, the sealing position is not required to be sealed by a single sealing piece, which is more convenient.

The utility model discloses an in some embodiments, to the packing box with the outstanding part of two outside cardboards of layer after the outside cardboard at place is fixed not have the overlap portion between the part, and outside cardboard all inside packing box edge, can guarantee beautifully under the prerequisite of the contact effect of guaranteeing the outside cardboard and saving the box material quantity to make the outside cardboard not fall with the box edge under can guarantee that the outside cardboard does not receive the exogenic action to reduce under the condition beyond.

The utility model discloses an in some embodiments, simultaneously the inboard cardboard that has the outside cardboard place department of sealing of outstanding piece and space piece is being on a parallel with the length of the side that inboard cardboard and box meet is less than the length of the inboard space of box in this orientation, can guarantee the packing box is in when the department of sealing of outside cardboard twists the box, the inboard cardboard does not influence the distortion effect.

In some embodiments of the present invention, for the outer side paper boards with the protruding blocks, when the protruding blocks are on the same outer side paper board, the protruding blocks are on the left side or the right side of the protruding portion; for the outside cardboard that has outstanding piece, when two arbitrary outstanding pieces live in respectively on the same floor's different outside cardboard, two outstanding pieces live in respectively the left side of place outstanding part separately, the right side or live in respectively the right side of place outstanding part, the left side to all realize sealing the department and near when the box with a direction distortion under the multiple condition, all can realize sealing and opening of department, and is further, under this rule, the packing box can set up several groups of outstanding pieces more and add the combination of space piece, when guaranteeing to open the department of sealing, increase the bearing capacity that the department was sealed in the place.

Furthermore, the peripheral frame of the gap block or only the wide-edge frame of the part of the gap block possibly connected with the protruding block or the frame part of the part possibly contacted with the protruding block, which is far away from and parallel to the side of the outer side paper board connected with the box body, is adhered with a plastic adhesive sheet.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Wherein, the figure is described in a mode that the bottom of the packing box is parallel to and close to the bottom surface.

FIG. 1 is a perspective view of the packing box of the present invention having protruding blocks and space blocks respectively disposed on different outer side paper boards;

FIG. 2 is a perspective view of the packing box of the present invention having protruding blocks and space blocks and the same outer side paperboard having both protruding blocks and space blocks;

FIG. 3 is a front view of the outside paperboard design with protruding blocks in the package of the version of FIG. 1;

FIG. 4 is a front view of the outside paperboard design with void blocks in the package of the version of FIG. 1;

FIG. 5 is a front view of the arrangement of FIG. 1 with plastic tabs in the outer paperboard with protruding blocks in the package;

fig. 6 is a front view of the outer paperboard with void blocks in the package of the solution of fig. 1 with plastic adhesive sheets covering only the wide edge portions of the borders of the void blocks.

FIG. 7 is a front view of a portion of the outer paperboard with void blocks in the package of the solution of FIG. 1 with plastic adhesive sheets covering the periphery of the void block border;

FIG. 8 is a front view of the outer side cardboard with the gap block in the packaging box of the solution in FIG. 1, wherein the plastic adhesive sheet covers a part of the edge frame of the gap block away from the side where the outer side cardboard is connected with the box body;

FIG. 9 is a schematic view of the tape sealed outer side of the cardboard without protruding or void pieces laid flat;

FIG. 10 is a schematic view of the lay-flat of the outer paperboard with protruding or void pieces at the seal;

icon: 1. a protruding block; 2. a protruding portion where the protruding block is located; 3. a void block; 4. a protruding portion where the void block is located; 5. plastic adhesive sheets on the protruding block and the nearby part; 6. Plastic bonding sheets on the gap block frames; 7. the boundary between the protruding portion and the non-protruding portion; 8. a non-protruding portion of the outer paperboard; 9. an outer paperboard without protruding blocks or void blocks; 10. the inner paperboard at the sealing position of the outer paperboard with the protruding blocks or the gap blocks; 11. an adhesive tape.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "left", "right", "horizontal", "inner", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention.

Furthermore, the term "horizontal" and the like, if present, does not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 and 2, fig. 1 is a perspective view of a packing box of the present invention, which has protruding blocks and space blocks, and the protruding blocks and the space blocks are respectively disposed on different outer side paper boards; fig. 2 is a perspective view of the packing box of the present invention having protruding blocks and space blocks and having protruding blocks and space blocks on the same outer side paper board.

One or more protruding parts 2 with protruding blocks 1 are arranged in one or two outer side paper boards in one of the upper seal or the lower seal of the packing box, the other outer side paper board at the upper seal or the lower seal of the corresponding layer of the outer side paper board with the protruding blocks 1 is provided with gap blocks 3 which are opposite to the other outer side paper board and can penetrate the protruding parts 2 with the protruding blocks 1, the protruding blocks 1 are quadrangular, all parts of all the protruding blocks 1 and a rectangular area which is connected with the protruding blocks 1 and takes the connecting edge of the protruding blocks 1 and the protruding parts 2 as one edge are adhered with plastic adhesive sheets 5, and when the inner side paper board 10 at the seal of the outer side paper board with the gap blocks 3 and the protruding blocks 1 is placed in a box body, a gap is formed between the edge of the inner side paper board 10 which is vertical to the connecting edge of the inner side paper board 10 with the box body and the box body.

In some embodiments of the present invention, the protruding block 1 is rectangular, and three sides of the protruding block other than the side bordering the protruding portion do not have other portions to connect with it, and after the outer side cardboard at the sealing position is sleeved, the protruding block 1 and the space block 3 are kept away from and parallel to the side frame where the outer side cardboard is connected with the box body, there is a space between the side frames.

Referring to fig. 3 and 4, for the sealing part with the protruding block 1 and the gap block 3, the gap block 3 is rectangular and has solid frames around the gap block, and the outer paperboard where part of the gap block 3 is located has the protruding portion 4, the width of the rectangular area of the gap block 3 is between 1 and 2.5 times the thickness of the outer paperboard, and the maximum length of the rectangular area is not less than the maximum length of the protruding block 1 and the protruding portion 2 sleeved with the rectangular area in the direction parallel to the length of the outer paperboard.

Preferably, the width of the rectangular area of the void block 3 is equal to 1.5 times the thickness of the outer paperboard.

Referring to fig. 3, the boundary line 7 of all the protruding portions and the non-protruding portions 8 is parallel to one edge of the top view of the case, the protruding block 1 is set from one side of the extending portion of the boundary line 7 in the direction of the protruding portion 2, which does not include the boundary line, to the protruding block 1, and no other portion is connected to the protruding block 1 around the three sides except the boundary line of the protruding block 1, which is integrally connected to the other portion of the protruding portion 2.

Referring to fig. 1 and 2, in the space block 3 having the protruding portion 4, the length of the side of the protruding portion 4 perpendicular to the length direction of the space block 3 is equal to the width of the protruding portion 2 integrated with the protruding block 1 in parallel to the width direction, so as to keep the box horizontal as much as possible when the box is placed, or the width of the protruding portion can be smaller than the width of the latter, so as to save the amount of box material.

Further, the length of the protruding portion 4 where the void block 3 is located in the direction parallel to the length of the void block 3 is greater than the length of the void block 3, and both edges thereof are outside the region between the left and right edges of the void block 3 perpendicular to the length of the void block 3.

Preferably, the boundary line 7 may be in the same vertical plane as the width center line of the top view of the box.

Further, the space block 3 may have no protruding portion on the outer side of the outer.

In some embodiments of the present invention, please refer to fig. 3, the protruding block 1 is a quadrilateral, wherein the angle of the end point of the exposed edge far away from the protruding part 2 in the two ends of the outer side of the cardboard near the protruding block 1 is an obtuse angle, and the angle of the end point near the protruding part 2 is an acute angle, when the protruding block 1 enters or exits the space block 3, the protruding block can more easily enter or exit through the above-mentioned cutting slope of the edge relative to the frame of the space block 3.

Referring to fig. 1, in the above embodiment, after two outer paper boards having the void block 3 and the protruding block 1 are inserted and fixed, an edge of the void block 3 close to the void block 3, which is far away from a side frame of the side where the outer paper board is connected with the box body and is parallel to the side where the outer paper board is connected with the box body, is connected with an end point of the protruding block 1, which is closest to the side where the outer paper board is connected with the box body and has an acute angle, and one of the two sides where the side is respectively an obtuse angle and an acute angle is located is an acute angle, so that it is ensured that the two outer paper boards can only be vertically pulled out of a smaller void after being connected.

Further, referring to fig. 1, when at least a portion of the protruding portion 2 including the protruding block 1 is inserted into the gap block 3 and the outer side cardboard where the gap block 3 and the protruding block 1 are located is not twisted, the protruding block 1 at least partially falls outside a line perpendicular to the boundary line where two edges in the longer direction of the gap block 3 are located, and at this time, the two outer side cardboards can be fixed by the portion of the protruding block 1 falling outside the edge of the longer side of the gap block 3, so as to seal the sealing position of the packaging box.

Further, referring to fig. 1 and 2, after the outer paperboard with the protruding block 1 and the gap block 3 is inserted and fixed, a partial width center line of the protruding portion 2 integrated with the protruding block 1, which does not include the protruding block 1, and a width center line of the gap block 3 inserted into the protruding block 1 are on the same vertical line, so that the length of the protruding block 1 in the direction parallel to the length direction of the gap block 3 can be smaller and can be more appropriately clamped outside the gap block 3.

For the situation that the non-protruding parts 8 of the two outer side paperboards on the same layer of the packing box are not overlapped after the outer side paperboards are fixed, preferably, one part of the non-protruding parts 8 occupies the width of the electronic bill for express delivery, so that the electronic bill can be attached to the position of the packing box when the packing box is used as an express package and flatness is guaranteed.

Further, after the fixing, the outer side paperboards are all arranged inside the edge of the box body of the packing box, so that the outer side paperboards are prevented from extending out of the horizontal area of the box body to cause breakage of the outer side paperboards while the outer side paperboards are saved.

Referring to fig. 1 and 2, for the outer paperboard with the protruding blocks 1, when the protruding blocks 1 are on the same outer paperboard, the protruding blocks 1 are on the same left side or right side of the protruding part 2; for the outer paperboard with the protruding blocks 1, when any two protruding blocks 1 respectively reside on different outer paperboards on the same layer, the two protruding blocks 1 respectively reside on the left side and the right side of the protruding parts respectively, or reside on the right side and the left side of the protruding parts 2 respectively, and the design ensures that when the protruding blocks 1 and the gap blocks 3 are arranged at different relative positions, all the protruding blocks 1 can penetrate through the gap blocks 3 when the outer paperboard and the inner paperboard and the box body nearby the protruding blocks are twisted.

Furthermore, when the outer side paper board with the protruding blocks 1 and the gap blocks 3 is opened and closed, all the protruding blocks 1 can be placed in the length range of the gap blocks 3 towards the standard that the protruding blocks 1 are placed in the length range of the gap blocks 3 through the position arrangement of the protruding blocks 1 and the gap blocks 3, and then the outer side paper board can be opened.

Furthermore, the sealing position of the outer side paperboard with the protruding blocks 1 and the gap blocks 3 is provided with 1 group or more than two groups of protruding blocks 1 and gap blocks 3, and the number of the protruding blocks 1 and the gap blocks 3 is determined according to the bearing capacity of the packing box.

Referring to fig. 5, a plastic adhesive sheet 5 is adhered to a quadrilateral region with an obtuse angle of a part of or all of the protruding blocks 1 of the packing box and a rectangular region with a connecting edge of the protruding blocks 1 and the protruding parts 2 as one edge of a connecting part with the protruding blocks 1, referring to fig. 6, an adhesive sheet 6 made of a plastic material is adhered to a wide edge of a part of or all of the gap blocks 3 of the packing box, which may be in contact with the protruding blocks 1, and the adhesive sheet may be made of a hard plastic such as HDPE plastic, PC plastic, PET plastic, or other soft plastic to ensure that the protruding blocks 1 are protected by the plastic adhesive 5, 6 when penetrating into or penetrating out of the gap blocks 3, the hardness of the part is enhanced, and the part is not easily broken, so that the tolerance of the packing box is enhanced, and the number of times of repeated use is increased.

In some embodiments of the present invention, referring to fig. 7, the plastic adhesive member 6 is adhered to the surrounding frame of the space block 3.

In some embodiments of the present invention, referring to fig. 8, the space block and the protruding block may be connected to each other, and the plastic adhesive sheet is adhered to a part or all of the frame part of the side where the outer side paperboard is connected to the box body.

Further, a plastic adhesive 6 for adhering the frame of the space block 3 is adhered to at least the edge of the frame near the space block 3.

Further, the plastic tabs 5, 6 are both in the area of the outer paperboard.

In some embodiments of the present invention, referring to fig. 9, after two outer paper boards 9 without protruding blocks or void blocks at the same layer sealing position are placed flat, they are sealed with the adhesive tape 11, and thus no electronic surface is needed.

In some embodiments of the present invention, the packing box is made of corrugated paper.

The utility model discloses an in some embodiments, the inboard cardboard of the department of sealing or sealing down on the packing box of the outside cardboard place that has space piece 3 and outstanding piece 1 when keeping flat to the box, it is on a parallel with there is the space with the box in the direction on the limit that inboard cardboard and box meet to guarantee that inboard cardboard can not increase the resistance when distorting the box, in order to guarantee can distort the box.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. An environment-friendly packing box is characterized in that one or more protruding parts with protruding blocks are arranged in one or two outer paperboards in one of an upper seal or a lower seal of the packing box, the outer paperboard where the protruding blocks are located corresponds to the upper seal or the other outer paperboard at the lower seal of the same layer, a gap block which is opposite to the outer paperboard and can penetrate the protruding parts containing the protruding blocks is arranged, the protruding blocks are quadrangular, all parts of part or all the protruding blocks and a rectangular area which is connected with the protruding blocks and takes the connecting edge of the protruding blocks and the protruding parts as one edge are pasted with plastic adhesive sheets, when the inner side paperboard at the sealing position of the outer side paperboard with the gap block and the protruding block is placed in the box body, a gap is formed between the side of the inner side paperboard, which is perpendicular to the side of the inner side paperboard connected with the box body, and the box body.

2. The environment-friendly packaging box of claim 1, wherein the gap block is rectangular and has a solid frame around the gap block, and a protruding part is arranged in the length range of the outer paperboard where part of the gap block is located, the width of the rectangular area of the gap block is between 1 and 2.5 times of the thickness of the outer paperboard, and the maximum length of the rectangular area of the gap block is not less than the maximum length of the protruding block and the protruding part sleeved with the rectangular area of the gap block in the direction parallel to the length of the protruding block and the protruding part.

3. The environmentally friendly packaging box according to claim 2, wherein the boundary line between the protruding portion and the non-protruding portion is parallel to one of the edges of the top view of the box body, the protruding piece is arranged from one of the sides of the extending portion of the boundary line in the direction of the protruding portion, which does not include the boundary line, in the direction of the protruding piece, and no other portion is connected to the protruding piece around the three sides except for the boundary side where the protruding piece is integrally connected to the other portion of the protruding portion.

4. The environment-friendly packing box of claim 3, wherein the protruding block is quadrilateral, wherein an angle at which one end point far from the protruding part of two ends of the exposed side of the outer side paper board near the protruding block and connected with the box body is an obtuse angle, and an angle at which one end point near the protruding part is an acute angle.

5. The environment-friendly packaging box according to claim 4, wherein after the two outer paperboards with the gap block and the protruding block are inserted and fixed, the edge of the gap block, which is far away from the side where the outer paperboard is connected with the box body and is parallel to the side, close to the gap block, of the edge is connected with the end point, which is closest to the side where the protruding block is connected with the box body, of the side where the two sides are respectively obtuse angle and acute angle, and the end point is located at an acute angle.

6. The environment-friendly packaging box of claim 5, wherein at least part of the protruding part comprising the protruding block is inserted into the gap block and ensures that when the gap block and the outer paperboard where the protruding block is located are placed without being twisted, the protruding block at least partially falls outside a line perpendicular to the boundary line, where two edges in the longer direction of the gap block are located.

7. The environment-friendly packaging box of claim 6, wherein after the outer paperboard with the protruding blocks and the gap blocks are inserted and fixed, a part of the width center line of the protruding part integrated with the protruding blocks, which does not contain the protruding blocks, and the width center line of the gap blocks inserted into the protruding blocks are on the same vertical line.

8. The environment-friendly packaging box according to claim 1, wherein the non-protruding parts of the two outer side paper boards on the same layer of the packaging box are fixed on the outer side paper boards without overlapping parts, and the outer side paper boards are arranged inside the edge of the box body of the packaging box; and the length of the inner side paperboard at the sealing position of the outer side paperboard in the direction parallel to the side where the inner side paperboard is connected with the box body is smaller than the length of the inner side gap of the box body in the direction.

9. The environment-friendly packaging box according to claim 1,

for the outer paperboard with the protruding blocks, when the protruding blocks are on the same outer paperboard, the protruding blocks are on the left side or the right side of the protruding part;

for the outer paper boards with the protruding blocks, when any two protruding blocks respectively reside on different outer paper boards on the same layer, the two protruding blocks respectively reside on the left side and the right side of the protruding parts where the protruding blocks respectively reside, or reside on the right side and the left side of the protruding parts where the protruding blocks respectively reside.

10. The environment-friendly packaging box of claim 2, wherein plastic adhesive sheets are adhered to the peripheral frame of the gap block or only the wide-side frame of the part of the gap block possibly connected with the protruding block or the part of the whole frame of the part possibly contacted with the wide-side frame far away from and parallel to the edge of the outer side paper board connected with the box body.

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