CN208868490U

CN208868490U - A kind of triangle packing case of end closure structure

Info

Publication number: CN208868490U
Application number: CN201821448069.0U
Authority: CN
Inventors: 常江
Original assignee: Beijing Yiside Logistics Technology Co Ltd
Current assignee: Beijing Yiside Logistics Technology Co Ltd
Priority date: 2018-09-05
Filing date: 2018-09-05
Publication date: 2019-05-17
Anticipated expiration: 2028-09-05

Abstract

The utility model relates to a kind of triangle packing cases of end closure structure, wherein the packing case includes foreboard consecutively connected to each other (31), bottom plate (51), back plate (41) and front shroud (21), it is characterized in that, when the packing case is combined into case, the front shroud (21) is engaged with each other with the foreboard (31)；And header portion (6) are respectively provided at left and right sides of the foreboard (31), bottom plate (51) and back plate (41), when the packing case is combined into case, the header portion in left side is intersected with each other sealed and header portion of right side is also intersected with each other sealed, to realize the sealing-in packaging of two ends of described triangle packing case or so.The packing box structure of the utility model, sealing-in mode is simple, can be omitted completely adhesive tape structure, it is ensured that fast package is realized while performance.

Description

A kind of triangle packing case of end closure structure

Technical field

The utility model relates to packaging field, and particularly, being related to one kind can be from the triangle of sealed end closure structure Packing case.

Background technique

With the rapid development of Express Logistics industry, packaging structure and packaging product are deposited in the every field of production, life In long-term and large-scale application, the cargo of more and more kinds is needed using packing case, in particular, the example as Packaging Box Such as aircraft box, zipper carton is widely used, the simplicity of practical performance and packaging to packaging, agility, materials section It saves performance and is proposed new requirement.

For the performance and grafting form of packaging, prior art studies it.For example, Chinese patent discloses CN105438585A provides a kind of novel anti-theft packing case, including square box, be arranged in main tank lid on square box and Two side covers, downward doubling a part in one end of main tank Gai Weiyu square box connection is as headkerchief, headkerchief and the doubling of main tank lid Partial middle part is equipped with an outlet structure；The novel anti-theft packing case further includes being arranged on square box and outlet structure pair The antitheft slotting lid answered, antitheft slotting lid engage after being inserted into outlet structure, realize antitheft packaging.The patent is focused on improving packing case Anti-theft performance, but do not contribute to simple and direct and efficiency the promotion aspect of buckle structure and packaging.

For another example, Chinese patent discloses CN104528154A the invention discloses a kind of the standard pack case top cover with corner protector, Including lid, Corner protecting board and convex block, each side wall both ends of lid are each formed with groove, at each end angle of the lid It is provided with Corner protecting board, the corner protector board ends are equipped with the protrusion that can be inserted in the groove, and the convex portion is embedded in In the groove and being fixedly connected with the lid makes the protrusion of the Corner protecting board be fixed on groove.Such technical concerns in Protection for packing case damageable zone, but efficiency for packaging and material are saved and environmental protection etc. is not paid close attention to.

Therefore, it points out, proposes for one or more deficiency of prior art pointed by the present utility model people A kind of bottom can be from the triangle packing case of sealed end closure structure.

Hereinafter, the solution that will illustrate that the utility model is proposed in view of the above problems, and to the skill of the utility model Art scheme and advantage make more detailed explanation and explanation.It should be understood that specification, specific embodiment and specification The content presented in attached drawing is not right just to clearly illustrate the technical solution of the utility model and its advantage The protection scope of the utility model is construed as limiting.Those skilled in the art can on the basis of specification disclosure, for It is various it is reasonable changed after technical solution, the skill without departing from the spirit of the utility model, after various change Art scheme is included within the protection scope of the utility model.

Utility model content

According to the deficiency of above-mentioned existing and the relevant technologies, the utility model current inventor provides solve it is above-mentioned insufficient and The technical solution of disadvantage.Specifically, as will be described in detail below and described in, the utility model provides a kind of end closure knot The triangle packing case of structure can guarantee firm packaging character, meanwhile, the packing manner of both ends or bottom is more convenient；And And end or bottom molding are simple, joint sealing is unpacked easy to be quick；And it can even not use in embodiments of the invention Any adhesive tape promotes environmental protection grade and material use efficiency so that can sufficiently recycle after materials'use.

The one aspect of the utility model provides a kind of triangle packing case of end closure structure, wherein the packaging Case includes foreboard consecutively connected to each other, bottom plate, back plate and front shroud, wherein when the packing case is combined into case, before described Cover board is engaged with each other with the foreboard；Also,

Header portion is respectively provided at left and right sides of the foreboard, bottom plate and back plate, it is left when the packing case is combined into case The header portion of side is intersected with each other sealed and header portion of right side is also intersected with each other sealed, to realize the triangle packaging The sealing-in of two ends of case or so is packed.

Technical solution according to the present utility model, by foreboard, bottom plate, the successively folding of back plate and front shroud, and By the sealed of the header portion of the left and right sides, combination and the packet of triangle packing case can be realized with most fast and convenient mode Dress；The sealed of header portion can be with other adhesive tape adhesive tapes or other accessories simultaneously, while can guarantee three in packing case The complete recycling and reusing of packing case material also may be implemented in the packaging character of angular packing case.

In a preferred scheme, the triangle packing case of a kind of end closure structure, wherein the end plate Part includes: the left side first end plate being arranged on the left of the foreboard, and the second end plate of left side on the left of the bottom plate is arranged in, if Set the left side third end plate on the left of the back plate；And the right side first end plate on the right side of foreboard is set, it is arranged at the bottom The second end plate of right side on the right side of plate, the right side third end plate on the right side of the back plate；Wherein the header portion is arranged to described When packing case is combined into case, the left side first end plate, the second end plate of left side, left side third end plate is intersected with each other sealed, and The right side first end plate, the second end plate of right side and right side third end plate are intersected with each other sealed, to realize the triangle packaging The sealing-in of two ends of case or so is packed.

In the preferred embodiment, one piece of end plate of each side setting of each plate so that between end plate packing case at It can be sealed each other when case；However the embodiment of the utility model is not limited only to this, those skilled in the art are according to the utility model Description can be realized it is more kinds of realize the utility model modes.

In other preferred embodiment, the left side first end plate, the second end plate of left side, left side third end plate, right side Each of end plate, the second end plate of right side and right side third end plate are shaped to: every block of plate have two each other it Between the edge that is gradually reduced of distance, also there is the protrusion to connect with above-mentioned two edges that distance is gradually reduced each other, The protrusion makes the left side first end plate, the second end plate of left side, left side third end plate and right side first end plate, the right side The second end plate of side and right side third end plate can be sealed each other when packing case is folded into case.

In this scenario, every piece in above-mentioned end plate is arranged to the shape of abnormity, is especially created as top bending or convex Shape out.From the above description it is understood that obtaining the shape of the end plate of the utility model, can also be retouched by other mode State or obtain the shape and structure of end plate.Such as the shape of end plate can be understood as the composition of the shape based on triangle, three On the basis of angular, a side of triangle changes and fold-line-shaped or curved shape edge at least one inflection point, to make Bending or deformation occur for a top for obtaining triangle, so that protrusion or the shape of bending at the top of obtaining, form " hook-shaped " or " hang Ear " the end plate shape of shape.Shape as above is set, is more advantageous to sealed between end construction.

According to preferred scheme, the triangle packing case of a kind of end closure structure, wherein the protrusion is set It is set to arc-shaped, rectangular or pointed shape shape.

Above-mentioned shape is that the preferred of the utility model enumerates the shape of formula, and is not related to this.Above-mentioned shape Protrusion is conducive to convenience when the sealed intensity and large-scale production of packing case.

According to additionally preferable scheme, in the packing case of the utility model, the protrusion with above-mentioned two each other Between connect between the edge that is gradually reduced of distance at an angle.

In this regard, other of protrusion and header portion edge are bent or inflection is to have a certain degree, and then phase each other It connects, this is more advantageous to the locking effect of the connection of end and ontology and end itself.

In the alternative, the edge of the front shroud also has tongue portion and/or gluing portion, and the front shroud passes through The tongue portion and/or gluing portion are engaged with the foreboard of the packing case.

In this scenario, tongue portion and/or gluing portion has been used to realize the connection of front shroud and foreboard to realize packaging The encapsulation of case a front surface and a side surface.Here, will be described in detail as follows, tongue portion and/or gluing portion can choose first, The two dual-purpose；It can also be using the form except the two.When using the form of implementation of this preferred embodiment, it can be conducive to The fast rapid-result case thought and grafting are packed, while can assist realizing the multifunction of packing case, such as zipper function and antitheft function Energy.

According to further preferred scheme, a kind of triangle packing case of end closure structure, which is characterized in that Jack portion is additionally provided on the foreboard, the jack portion is corresponding with the tongue portion at the edge of the front shroud, thus It is plugged together each other when packing case is at case.

In this scenario, it is provided with jack scheme corresponding with tongue, so that tongue smoothly accesses when packing case combines In jack, jack portion is illustratively, to be also optionally able on the connecting line between such as foreboard bottom plate, be arranged at this time The width of front shroud is almost the same with foreboard so that tongue portion is when combining can extend insertion positioned at foreboard bottom plate just Between connecting line on corresponding position slot (jack) in.

In the preferred scheme, the triangle packing case of a kind of end closure structure, wherein in the gluing portion Tear strip is additionally provided between the edge of the front shroud.

The quick unlatching of packing case may be implemented in the tear strip, and according to the needs of application, which can be with It is arranged to different width degree, to facilitate the tearing of user to take.

In the alternative, can be in conjunction with other modes or in the case where being used alone, the surface of the foreboard is set It is equipped with adhered by double sided plaster layer, to realize being engaged with each other for front shroud and the foreboard.

Which can be used individually, can also be used in combination with jack tongue, tear strip and/or gluing portion, thus Enhance the packaging intensity of packing case.When using double-sided adhesive, one, which takes off one, glues, and unpacks also the same efficient and convenient.

The technical solution of the utility model briefly described above, will make being explained in more detail below.It needs It is bright, the utility model for convenience, using a large amount of terms and technical words for indicating orientation, those skilled in the art Member is clear, and the display of the vocabulary and term is convenient just for the sake of description and is different from of a sort different characteristic and is arranged , not constitute the absolute limitation for technical proposal scope.Such as；" first " and " second ", " upper ", " under ", it is " left Side ", " right side "；The mutual positions such as " bottom ", " top " can equally switch locations as needed when packing case combines Or it exchanges each other.Similarly, corresponding locative feature conveniently uses just for the sake of description, in different schemes It can exchange each other, just for the sake of narration appellation that is convenient and clear and assigning its fixation in some scheme.And And the terms such as " including ", " including " used in the utility model, there is shown except the component or component that are refered in particular to, not There is also other component or compositions for exclusion, such as the front shroud includes tongue；But it also can also include such as tear strip, The components such as layers of two-sided, gluing portion.

Hereinafter, will be made in conjunction with Figure of description and specific embodiment to the technical solution of the utility model and advantage More detailed explanation and explanation.It should be understood that is presented in specification, specific embodiment and Figure of description is interior Hold, just to clearly illustrate the technical solution of the utility model and its advantage, not to the protection of the utility model Range is construed as limiting.Those skilled in the art reasonable can convert on the basis of specification disclosure for various Technical solution after to variation, without departing from the spirit of the utility model, the technical solution after various change is included in this Within the protection scope of utility model.

Detailed description of the invention

Fig. 1 is the planar development signal of the triangle packing case of the end closure structure of one embodiment of the utility model Figure；

Fig. 2 is the assembling solid signal of the triangle packing case of the end closure structure of the utility model first embodiment Figure；

Fig. 3 is the three-dimensional signal of triangle packing case assembling of the end closure structure of the other embodiments of the utility model Figure；

Fig. 4 is end plate and different optional end plate protrusions in the alternative embodiment of the utility model Floor map；

(a) and (b) of Fig. 5 is the group of the triangle packing case of the end closure structure of the second embodiment of the utility model Fill stereoscopic schematic diagram and plane outspread drawing.

Specific embodiment

Embodiment 1

With reference to Fig. 1 and Fig. 2, it is possible to understand that and construct the first specific embodiment according to the present utility model.With reference to figure 1, a kind of triangle packing case of end closure structure, wherein the packing case includes foreboard consecutively connected to each other (31), bottom Plate (51), back plate (41) and front shroud (21) in this embodiment, the foreboard (31), bottom plate (51) and back plate (41) The left and right sides be respectively provided with header portion (6), when the packing case is combined into case, the header portion in left side is intersected with each other sealed And the header portion on right side is also intersected with each other sealed, to realize the sealing-in packet of two ends of described triangle packing case or so Dress.

Wherein further, the header portion (6) includes: the left side first end plate being arranged on the left of the foreboard (31) (61), the second end plate of left side (62) on the left of the bottom plate (51) is set, the left side being arranged on the left of the back plate (41) the Three end plates (63)；And the right side first end plate (64) being arranged on the right side of foreboard (31), setting is on the right side of the bottom plate (51) The second end plate of right side (65), the right side third end plate (66) on the right side of the back plate (41).When the packing case is combined into case When, the left side first end plate (61), the second end plate of left side (62), left side third end plate (63) is intersected with each other sealed, and institute It is intersected with each other sealed to state right side first end plate (64), the second end plate of right side (65) and right side third end plate (66), described in realizing The sealing-in of two ends of triangle packing case or so is packed.

It can be seen that the left side first end plate (61), the second end plate of left side (62), a left side with reference to Fig. 1 and in conjunction with Fig. 2 herein Each of side third end plate (63), right side first end plate (64), the second end plate of right side (65) and right side third end plate (66) Be shaped to: every block of plate has two edges that distance is gradually reduced each other, also have with above-mentioned two each other it Between the protrusion that connects of the edge that is gradually reduced of distance, the end plate of every part is locked each other when packing case is folded into case It closes.

In the present embodiment, protrusion is set as about arc-shaped, and the protrusion with above-mentioned two each other Between connect between the edge that is gradually reduced of distance at an angle.Herein it is also understood that the shape of end plate can be seen It is constituted at the shape based on triangle, on the basis of the shape of triangle, a side of triangle changes and has at least one The edge of a inflection point, so that bending or deformation occur for an apex portion of triangle, to obtain top protrusion or curved The shape of folding.

In the present embodiment, the edge of the front shroud (21) also has tongue portion and gluing portion (212), described Front shroud (21) is engaged by the tongue portion and gluing portion with the foreboard (31) of the packing case.And in the foreboard (31) it is additionally provided on jack portion (the first jack (311), the second jack (312)), the jack portion and the front shroud (21) Edge the tongue portion it is corresponding, to be plugged together each other when packing case is at case.

Here, optionally, the surface of the foreboard (31) is provided with adhered by double sided plaster layer, to realize or assist, increase Strong front shroud (21) is engaged with each other with foreboard (31).

As can be seen that the bottom of the utility model packing case, side end face can be realized fastly from the description of the utility model Fast effectively sealing-in, while the use of adhesive can be reduced, even if also selecting double-sided adhesive when using adhesive, so that viscous With open conveniently, do not use adhesive tape in the case where, packaging material can be made absolutely to be recovered efficiently utilization.

Embodiment 2

Fig. 3 is the embodiment of other several substitutability involved in the embodiment of the present invention 2, and it is practical new to belong to this A part disclosed in type will only describe its different place since partial content is same as Example 1.Those skilled in the art In conjunction with the disclosure of this specification, it is fully able to according to the disclosure of this specification to implement to obtain the embodiment of the utility model.

In the alternative of a, tear strip and/or tongue outlet structure have been selected.Setting is so that front cover in this scenario The width (height in other words) of plate is essentially identical with foreboard, so that tear strip and gluing portion are when folding just across foreboard edge And be attached on plate adjacent thereto, realize bonding.Slot is arranged with can choose (be arranged in the connecting line of two plates simultaneously Place) so that tongue is inserted into just in the slot or socket of two plate junctions.

In the scheme of b and c, tear strip and gluing portion are no longer selected, but socket and slot are set to fully achieve three The assembling and engagement of angular packing case.In two schemes, different front shroud length is set, and three socket tongues are arranged side by side The package encapsulation performance to realize the enhancing for triangle packing case corresponding with socket.It, can for such alternative It is more further reduced the use of gluing component He other additional components, while advantageously ensuring that packaging character to the maximum extent Promote the recuperability and environmental-protecting performance of material.

In addition, Fig. 4 is the shape of the illustrative optional end plate of the utility model.As shown, optionally, wherein often One end plate is shaped to: every block of plate has two edges that distance is gradually reduced each other, also has and above-mentioned two The protrusion that the edge that distance is gradually reduced between item connects, can be sealed each other when packing case is folded into case.

It is understood that every piece in above-mentioned end plate can be set into special-shaped shape, it is curved to be especially created as top The shape of folding or protrusion.From the above description it is understood that obtaining the shape of the end plate of the utility model, other side can also be passed through Formula describes or obtains the shape and structure of end plate.Such as the shape of end plate can be understood as the composition of the shape based on triangle, On the basis of the shape of triangle, a side of triangle changes and the edge at least one inflection point, so that three Bending or deformation occur for an angular apex portion, to obtain the shape of top protrusion or bending, form " hook-shaped " or " hang Ear " the end plate shape of shape.Shape as above is set, is more advantageous to sealed between end construction.

Embodiment 2

As shown in (a) and (b) of Fig. 5, the three of the end closure structure of second embodiment of the utility model are illustrated Angular packing case.Second embodiment can use identical structure and component with first embodiment, and it is extra to omit herein Description.Reference Fig. 5 and attached drawing before this are it can be clearly seen that embodiment 2 uses the packing case of " full zipper form structure ", no The tongue at 21 edge of front shroud is necessarily set again, but pass can be set through front shroud major part width or full width And the tear strip 211 extended and gluing portion 212.According to the structure of the present embodiment, triangle equally rationally can be efficiently completed The closure and packaging of packing case.

Appended drawing reference involved in the utility model:

The first tongue of 11-, the second tongue of 12-, 21- front shroud, 211- tear strip, 212- gluing portion, 31- foreboard, 311- First jack, the second jack of 312-, 41- back plate, 51- bottom plate, 6- end plate, the left side 61- first end plate, the left side 62- second end Third end plate, the right side 64- first end plate, the second end plate of the right side 65-, the right side 66- third end plate on the left of plate, 63-.

More than, it is apparent to those skilled in the art although the content of the present invention includes specific embodiment It is that various shapes can be made to these embodiments without departing from the spirit and scope of present claims and its equivalent Change in formula and in details.Embodiment described herein should be considered only in descriptive sense, being not intended to the mesh of limitation 's.The description of feature and aspect in each example is deemed applicable to similar features and side in other embodiments Face.Therefore, the scope of the utility model should not be by specifically describing to be limited, but by the limit of claim technical solution It is fixed, and all changes in the range of present claims and its equivalent are interpreted the technology included in the utility model Within scheme.

Content according to the present utility model, can at least the following technical schemes are provided:

The triangle packing case of a kind of end closure structure of scheme 1., wherein the packing case includes consecutively connected to each other Foreboard (31), bottom plate (51), back plate (41) and front shroud (21), which is characterized in that described when the packing case is combined into case Front shroud (21) is engaged with each other with the foreboard (31)；Also,

Header portion (6), the packaging are respectively provided at left and right sides of the foreboard (31), bottom plate (51) and back plate (41) When case is combined into case, the header portion in left side is intersected with each other sealed and header portion of right side is also intersected with each other sealed, with reality The sealing-in packaging of the existing triangle packing case or so two ends.

A kind of triangle packing case of end closure structure according to scheme 1 of scheme 2., which is characterized in that the end Plate part (6) includes: the left side first end plate (61) being arranged on the left of the foreboard (31), and setting is on the left of the bottom plate (51) The second end plate of left side (62), left side third end plate (63) on the left of the back plate (41) is set；And it is arranged in foreboard (31) the right side first end plate (64) on the right side of, the second end plate of right side (65) being arranged on the right side of the bottom plate (51), the back plate (41) the right side third end plate (66) on the right side of；

The header portion (6) is arranged to when the packing case is combined into case, the left side first end plate (61), left side Second end plate (62), left side third end plate (63) is intersected with each other sealed, and the right side first end plate (64), right side second end Plate (65) and right side third end plate (66) are intersected with each other sealed, to realize the envelope of the triangle packing case or so two ends Connect packaging.

A kind of triangle packing case of end closure structure according to scheme 2 of scheme 3., wherein the left side first End plate (61), the second end plate of left side (62), left side third end plate (63), right side first end plate (64), the second end plate of right side (65) Be shaped to each of right side third end plate (66): every block of plate have two each other distance be gradually reduced Edge, also has the protrusion to connect with above-mentioned two edges that distance is gradually reduced each other, and the protrusion makes institute State left side first end plate (61), the second end plate of left side (62), left side third end plate (63) and right side first end plate (64), the right side The second end plate of side (65) and right side third end plate (66) can be sealed each other when packing case is folded into case.

A kind of triangle packing case of end closure structure according to scheme 3 of scheme 4., wherein the protrusion is set It is set to arc-shaped, rectangular or pointed shape shape.

A kind of triangle packing case of end closure structure according to scheme 3 or scheme 4 of scheme 5., wherein described convex Connect at an angle between portion and above-mentioned two edges that distance is gradually reduced each other out.

Scheme 6. a kind of triangle packing case of end closure structure, feature according to scheme 1 to scheme 4 exist In the edge of the front shroud (21) also has tongue portion and/or gluing portion (212), and the front shroud (21) is inserted by described Tongue and/or gluing portion are engaged with the foreboard (31) of the packing case.

A kind of triangle packing case of end closure structure according to scheme 6 of scheme 7., which is characterized in that described Jack portion is additionally provided on foreboard (31), the jack portion is corresponding with the tongue portion at the edge of the front shroud (21), from And it is plugged together each other when packing case is at case.

A kind of triangle packing case of end closure structure according to scheme 6 of scheme 8., which is characterized in that described Tear strip (211) are additionally provided between gluing portion (212) and the edge of the front shroud (21).

Scheme 9. a kind of triangle packing case of end closure structure, feature according to scheme 1 to scheme 4 exist In the surface of the foreboard (31) is provided with adhered by double sided plaster layer, to realize that of front shroud (21) and the foreboard (31) This engagement.

Scheme 10. a kind of triangle packing case of end closure structure, feature according to scheme 1 to scheme 4 exist In, the header portion (6) be formed as hook-shaped or hangers shape so that the header portion when packing case is at case each other Intersect sealed.

Claims

1. a kind of triangle packing case of end closure structure, wherein the packing case includes foreboard consecutively connected to each other (31), bottom plate (51), back plate (41) and front shroud (21), which is characterized in that when the packing case is combined into case, the front cover Plate (21) is engaged with each other with the foreboard (31)；Also,

It is respectively provided with header portion (6) at left and right sides of the foreboard (31), bottom plate (51) and back plate (41), the packing case group When synthesizing case, the header portion in left side is intersected with each other sealed and header portion of right side is also intersected with each other sealed, to realize State the sealing-in packaging of two ends of triangle packing case or so.

2. a kind of triangle packing case of end closure structure according to claim 1, which is characterized in that the end plate Dividing (6) includes: the left side first end plate (61) being arranged on the left of the foreboard (31), the left side being arranged on the left of the bottom plate (51) The second end plate of side (62), the left side third end plate (63) being arranged on the left of the back plate (41)；And setting is on foreboard (31) right side The right side first end plate (64) of side, the second end plate of right side (65) being arranged on the right side of the bottom plate (51), the back plate (41) are right The right side third end plate (66) of side；

The header portion (6) is arranged to when the packing case is combined into case, the left side first end plate (61), left side second End plate (62), left side third end plate (63) is intersected with each other sealed, and the right side first end plate (64), the second end plate of right side (65) and right side third end plate (66) is intersected with each other sealed, to realize the sealing-in packet of two ends of described triangle packing case or so Dress.

3. the triangle packing case of a kind of end closure structure according to claim 2, wherein the left side first end plate (61), the second end plate of left side (62), left side third end plate (63), right side first end plate (64), the second end plate of right side (65) and the right side Each of side third end plate (66) is shaped to: every block of plate has two sides that distance is gradually reduced each other Edge, also has the protrusion to connect with above-mentioned two edges that distance is gradually reduced each other, and the protrusion makes described Left side first end plate (61), the second end plate of left side (62), left side third end plate (63) and right side first end plate (64), right side Second end plate (65) and right side third end plate (66) can be sealed each other when packing case is folded into case.

4. the triangle packing case of a kind of end closure structure according to claim 3, wherein the protrusion is set as Arc-shaped, rectangular or pointed shape shape.

5. a kind of triangle packing case of end closure structure according to claim 3 or 4, wherein the protrusion with it is upper It states and connects at an angle between two edges that distance is gradually reduced each other.

6. a kind of triangle packing case of end closure structure according to any one of claim 1 to 4, feature exist In the edge of the front shroud (21) also has tongue portion and/or gluing portion (212), and the front shroud (21) is inserted by described Tongue and/or gluing portion are engaged with the foreboard (31) of the packing case.

7. a kind of triangle packing case of end closure structure according to claim 6, which is characterized in that in the foreboard (31) jack portion is additionally provided on, the jack portion is corresponding with the tongue portion at the edge of the front shroud (21), thus Packing case plugs together each other at when case.

8. a kind of triangle packing case of end closure structure according to claim 6, which is characterized in that in the gluing Tear strip (211) are additionally provided between portion (212) and the edge of the front shroud (21).

9. a kind of triangle packing case of end closure structure according to any one of claim 1 to 4, feature exist In the surface of the foreboard (31) is provided with adhered by double sided plaster layer, to realize that of front shroud (21) and the foreboard (31) This engagement.

10. a kind of triangle packing case of end closure structure according to any one of claim 1 to 4, feature exist In, the header portion (6) be formed as hook-shaped or hangers shape so that the header portion when packing case is at case each other Intersect sealed.