CN2504201Y

CN2504201Y - Packing chest

Info

Publication number: CN2504201Y
Application number: CN 01274918
Authority: CN
Inventors: 许永锵; 唐树诚; 江翠霞; 区嘉祥
Original assignee: Guangzhou Light Industry Import And Export Group Corp
Current assignee: QINGCHU CO Ltd GUANGZHOU
Priority date: 2001-11-27
Filing date: 2001-11-27
Publication date: 2002-08-07
Anticipated expiration: 2011-11-27

Abstract

A packing box is formed by folding and bonding a main box top surface, two side box top surfaces, four rectangular side box surfaces, one side bonding surface and four box bottom clamping sheets. The conjunction area between four box bottom clamping sheets and four rectangular side box surfaces is provided with four box bottom inner folding marks, wherein, the two that are not adjacent are box bottom clamping sheets with gaps. The latter is respectively provided with an outer folding mark in a 45 degree angle with the box bottom and an outer folding angle which is connected with the outer folding mark. The middle of the two box bottom clamping sheets with gaps is provided with a concave gap in the same shape. The distance between the lowest bottom of the concave gap and the folding mark at the box bottom is a half of the length of the inner folding mark in the box bottom of the box bottom clamping sheet without a gap.

Description

Packing box

Technical field

The utility model relates to a kind of packing box, particularly a kind ofly can automatically lock the hexahedron packing box bottom, that be used for household electrical appliance etc.

Background technology

In the prior art, packing box mostly adopts both wings formula or button end formula.In the assembling process of both wings formula packing box, will be folded into the degree of lip-rounding with four flanks that link to each other at the bottom of the box earlier, then will be wherein two flank juxtapositions, folded box end face and form the hexahedron packing box again.Four flanks with packing box are folded into the degree of lip-rounding earlier during the formula packing box at the assembling button end, then with the convex fastening cross lamination at the bottom of the box, and folded box end face and form the hexahedron packing box again.But above two kinds of packing boxes all need artificial folding several times could moulding, it is standby to fold the packing box such as the carton of some by the special messenger aborning, thereby need a large amount of hand labour of cost to fold, pack, taken labour power and place, increased productive costs.

Summary of the invention

The purpose of this utility model is to address the above problem, and a kind of packing box that can automatically lock the bottom is provided, thereby makes it can adapt to the pipelining of high-speed production, reduces production costs, and enhances productivity.

According to packing box of the present utility model, it comprises cramp at the bottom of a main box top, two side box tops, four rectangular side box faces, side adhesive surface and four boxes, and folding by these parts, paste and form.What need indicate is that in description of the present utility model, if do not particularly point out, " rectangle " both comprised the rectangle that length and width do not wait, and also comprised as broad as long square.Folding line in the junction of cramp and four rectangular side box faces has at the bottom of four barrels respectively at the bottom of four boxes, having non-conterminous two at the bottom of four boxes in the cramp is cramp at the bottom of the notched trapezoidal box, at the bottom of these two notched boxes cramp respectively have one with at the bottom of its box in folding line become the outer folding line and the outer angle folding that links to each other with this outer folding line of miter angle, all there are a shape and the identical concave indentation of orientation (deployed condition) in the middle part of cramp at the bottom of two notched boxes.The lowermost end of concave indentation at the bottom of its box in the distance of folding line be substantially at the bottom of the box of cramp at the bottom of the not notched box in half of folding line length.

According to the packing box of the utility model structure back cover automatically, save man-hour, simplified packaging process, and easy to use, help applying, and the maintenance outward appearance is identical with the outward appearance of Traditional Packing box.

Brief description of drawings

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.

Fig. 1 is the expansion drawing of the packing box of a preferred embodiment of the present utility model.

Fig. 2 is a present embodiment when flat state is pushed into stereoscopic-state open, the scheme drawing at the bottom of the box.

Fig. 3 is that present embodiment is finished when automatically locking the bottom scheme drawing at the bottom of the box.

Detailed description of preferred embodiment

With reference to Fig. 1, its expression is according to the view of the deployed condition of packing box 20 of the present utility model.According to packing box 20 of the present utility model, it comprises a main box top 14, the height h of this main box top 14 is usually greater than the side box face width degree a of packing box 20, thereby make the top of this main box top 14 can be along interior folding line 15 bendings, the corner of both sides, described top can form fillet or be cut sth. askew, with convenient when the described packing box 20 of assembling, this top is inserted in the slit that the packing box side box face 10 by two side box tops 13 and described top opposite side forms, and the height h ' of the main box top that is formed by described interior folding line 15 corresponds essentially to the width a of packing box; And then this main box top 14 is positioned at two side box tops 13 of these main box top both sides, described side box top 13 is not more than the width a ' of described main box top 14 place packing boxes 20 along the height of the short transverse Y of packing box 20, can cut sth. askew in the both sides of described side box top 13, with the convenient insertion on the top of main box top in the future; Four rectangular side box faces 10 and 16, form three interior folding lines 12 with main box top 14 and side box top 13 respectively, wherein relative two side box faces 10,10 or 16,16 have identical shape and size arbitrarily, but the width between the sides

adjacent box face

10,16 can be the same or different; A side adhesive surface 1 is connected the outermost of described

side box face

10 or 16, and it is no more than the height of described

side box face

10 or 16 highly usually, and preferably it highly is substantially equal to the height of described

side box face

10 or 16;

Cramp

3,3 and 9,9 at the bottom of four boxes, folding line 4 in the junction of cramp and four rectangular side box faces 10,16 has at the bottom of four barrels respectively at the bottom of described four boxes.In at the bottom of the box folding line 4 with 12 along parallel being oppositely arranged of packing box short transverse Y, corresponding length in cramp 3 positions or perhaps packing box width are a ' at the bottom of itself and main box top 14 or the box, with corresponding length in cramp 9 positions or perhaps packing box width at the bottom of side box top 13 or the box be a.Non-conterminous two (in the present embodiment for corresponding to the cramp of main box top 14 positions) are arranged in the cramp at the bottom of described four boxes is cramps 3 at the bottom of the trapezoidal box of band concave indentation, at the bottom of these two notched boxes cramp 3 respectively have one with at the bottom of its box in the outer folding line 8 and the outer angle folding 7 that links to each other with this outer folding line of 4 one-tenth miter angles of folding line, all there is the shape vee 11 identical with orientation at the middle part of cramp 3 at the bottom of two notched boxes, this leg-of-mutton limit is consistent with the short transverse Y of packing box, adjacent another limit then at the bottom of the adjacent box cramp 9 tilt.The lowermost end of vee at the bottom of its box in the distance of folding line 4 be at the bottom of the box of cramp 9 at the bottom of the not notched box in half of folding line length a.

In the above-described embodiments, can be with corner's rounding of each component parts of packing box 20, by it is corner's rounding of vee 11 peripheries can be connected sleekly with cramp at the bottom of making things convenient for box, and guarantees that each point of connection of cramp and packing box is not easy to let go because of external force at the bottom of the box.

In addition, though in above preferred embodiment, the breach of cramp 3 is a triangle at the bottom of the box, also can adopt other female shapes, for example the spill of rectangular trapezoidal shape.

In addition, can be in the breach of cramp 3 at the bottom of the band breach box with described outside the relative side of angle folding 7 moving vane 17 is set, as shown in phantom in FIG..The overlapping place of cramp described blade 17 covers box after to packing box locking bottom at the bottom of, thereby better closure at the bottom of the assurance box.

Assembling process to the utility model packing box is described in detail below, is expressly understood so that its structure had more.

As shown in Figure 1, deployed condition from packing box 20, earlier the outer angle folding on the cramp 3 at the bottom of two notched boxes 7 is outwards rolled over along outer folding line 8, then along 2 folding four the rectangular side box faces 10 of folding line in the side box face, thereby make four rectangular side box faces 10 form the degree of lip-rounding, again side adhesive surface 1 is sticked on the rectangular side box face 16 of its far-end.Folding line 4 in cramp 9 at the bottom of cramp 3 at the bottom of two notched boxes and adjacent with it two boxes is at the bottom of the box is rolled well, and two outer angle foldings 7 are pasted respectively or be connected at the bottom of the box cooresponding with it on cramp 9 by other means, make at the bottom of two notched boxes cramp 3 relatively and at described barbed portion juxtaposition.By external corners place fillet 5 is set in concave indentation 11, can guarantee two notched boxes at the bottom of cramp 3 intersect sleekly, as shown in Figure 2, at the bottom of enclosure.Because the lowermost end 6 of concave indentation 11 distance of interior folding line 4 at the bottom of its box is (1/2) a, and at the bottom of the not notched box at the bottom of the box of cramp in folding line 4 length are a, automatically lock when bottom when finishing, the lowermost end 6 that is positioned at two relative concave indentation 11 just in time aligns, as shown in Figure 3.Finish automatically lock the bottom after, two side box tops 13 are folded along folding line 12 in the box top, main box top 14 is covered above described side box top 13, and in inserting side, the top box top 13 that makes main box top 14 and the slit that the side box face 10 relative with main box top 14 forms, then finish the FOLD AND PACK process of whole packing box 20.

In production and transportation, outer angle folding 7 on the cramp 3 at the bottom of two band breach boxes outwards can be rolled over along outer folding line 8, then, along 2 folding four the rectangular side box faces 10 of folding line in the side box face, and make 10 one-tenth degree of lip-roundings of four rectangular side box faces, side adhesive surface 1 is sticked on one of them rectangular side box face 10, and two outer angle foldings 7 stick on respectively at the bottom of the box cooresponding with it on cramp 9, again the utility model are folded into flat state along folding line 2 in the side box face.Just can transport easily, stack.When the needs packaging product, along diagonal described packing box is opened and to be got final product.At this moment, the utility model becomes three-dimensional shape, can fasten automatically at the bottom of the box, as shown in Figures 2 and 3.

The utility model can adopt machinery to roll the bone shaping adhesion, and the self-styled forming operation of packing box is reduced to an action, can operate with pleat with usefulness by going into box, packing box with equal manufacture of materials has increased deflection, not yielding and damaged, improved production efficiency, reduced resource occupation.

Certainly, under spirit of the present utility model and thinking and guidance, can do suitable modification to the concrete structure of described packing box, but all within the scope of protection of present invention.

Claims

1. a packing box (20), it comprises a main box top (14), two side box tops (13), four rectangular side box faces (10 and 16) form three interior folding lines (12) with main box top (14) and side box top (13), and a side adhesive surface (1) is connected the outermost of described side box face (10 or 16), cramp at the bottom of four boxes (3,3 and 9,9), folding line (4) in the junction of cramp and four rectangular side box faces (10,16) has at the bottom of four barrels respectively at the bottom of described four boxes is characterized in that

Two side box tops (13) and then this main box top (14) are positioned at this main box top both sides, have in the cramp at the bottom of described four boxes non-conterminous two be the band concave indentation trapezoidal box at the bottom of cramp (3), at the bottom of these two notched boxes cramp (3) respectively have one with at the bottom of its box in folding line (4) become the outer folding line (8) and the outer angle folding (7) that links to each other with this outer folding line of miter angle, all there is the shape concave indentation (11) identical with orientation at the middle part of cramp (3) at the bottom of two notched boxes, the lowermost end of this concave indentation at the bottom of its box in the distance of folding line (4) be half of interior folding line length (a) at the bottom of the box of cramp (9) at the bottom of the not notched box.

2. a kind of packing box according to claim 1, it is characterized in that, described concave indentation is triangular in shape, and a limit of this vee (11) is consistent with the short transverse (Y) of packing box, adjacent another limit then at the bottom of the adjacent box cramp (9) tilt.

3. a kind of packing box according to claim 1 and 2 is characterized in that, corner's rounding of described concave indentation (11) periphery.

4. a kind of packing box according to claim 1 and 2 is characterized in that, a breach that has at the bottom of two notched boxes in the cramp (3) its with described outside the relative side of angle folding (7) be provided with a moving vane (17).