CN204399659U - Folding carton - Google Patents

Abstract

The utility model provides a kind of folding carton, it comprises base, side plate and door-plate, this base and this side plate form an accommodation space, the all surface of this accommodation space is plane, this folding carton also includes: formed respectively in this base, each side plate and each door-plate at least one hollow passage, and the tubular part be arranged in each passage, wherein, the inside face of the outside face of this tubular part and this passage fits.The utility model by arranging reinforced pipe in all parts of folding carton, and not only strengthen the load bearing stength of folding carton, the contact surface also achieving all parts and content is whole plane, had both been conducive to protecting content, is convenient to again the clean of box inside.

Description

Folding carton

Technical field

The utility model relates to a kind of folding carton, particularly a kind of folding plastic box for warehouse logistics.

Background technology

For the folding plastic box of warehouse logistics, its major part comprises side plate, door-plate and base, and wherein, side plate is distributed in the surrounding of base, and is associated with base by attaching parts; Adjacent side plates, between two by the snap device on side plate and side plane contact face, plays mutually the effect pining down, fix; Door-plate, as the individual components of on side plate, is associated with side plate by attaching parts and handle.

When pulling handle, the action of opening can be carried out by end of door plate, conveniently put into or take out content; When pull-up door-plate, by the stop gear at handle place, door-plate is fixed, and form one with side plate; When folding carton is without time folding, side plate passes through the effect of attaching parts upper limit on the one hand perpendicular to base, and adjacent side plate pins down fixing between two mutually on the other hand, thus constitutes the space of an accommodating object of energy, the form of namely usually said chest; By putting down the side plate at four sides one by one, namely define the folded form of chest.

Folding plastic box on domestic market; its structure is mainly divided into two classes: a class is as shown in Figure 1: the inner side of each parts of folding carton (side plate, door-plate, base) all adopts slab design; outside is dispersed with the rib of the geometric scheme such as lattice or oblique lattice anyhow; the advantage of this structure is that inner side is whole plane (representing with Reference numeral 10 in FIG); content can be protected; be convenient to again putting into and taking out of content, and be easy to keep cleaning in case.But shortcoming is rib is distributed in the same side (outside), can produces after injection mo(u)lding and shrink uneven, cause side plate, door-plate flexural deformation, not only make casing internal volume reduce, and door-plate can be opened because of distortion and is obstructed.

Another kind of is as shown in Figure 2: each parts of folding carton (side plate, door-plate, base) adopt both sides to be all uniformly distributed identical geometric structure, the advantage of this design is that the medial and lateral structure of side plate, door-plate is the same, injection mo(u)lding after contraction is even, side plate, door-plate flexural deformation can not be caused, but shortcoming is side plate, the inner side of door-plate is not planar structure, the geometric structure (representing with Reference numeral 20 in Fig. 2) of inner side easily makes content swipe, damaged, while also not easily inside clean box body.

How designing one can keep side plate, door-plate planeness better, and the inner side of each parts of folding carton (side plate, door-plate, base) is all the folding carton of whole plane (comprising the planar structure with a small amount of hole), it is the problem that pendulum needs to solve in face of science and technology personnel.

Utility model content

The technical problems to be solved in the utility model be in order to overcome to produce after folding carton in prior art adopts inner side plane structure can cause injection mo(u)lding shrink that the folding carton that uneven so that side plate, the diastrophic defect of door-plate and both sides are all uniformly distributed identical geometric figure structure easily makes content swipe, breakage and defect not easy to clean, there is provided one that side plate, door-plate planeness can be kept better, and the inner side of each parts of folding carton (side plate, door-plate, base) is all the folding carton of whole plane.

The utility model solves above-mentioned technical matters by following technical proposals:

A kind of folding carton, it comprises base, side plate and door-plate, and this base and this side plate form an accommodation space, and its feature is, all surface of this accommodation space is plane,

This folding carton also includes: formed respectively in this base, each side plate and each door-plate at least one hollow passage, and is arranged at the tubular part in each passage,

Wherein, the outside face of this tubular part and the inside face of this passage fit.

Preferably, the length direction of all passages in this base is consistent.

Preferably, the length direction of all passages in this base is inconsistent.

Preferably, the length direction of all passages in this side plate is consistent.

Preferably, the length direction of all passages in this side plate is inconsistent.

Preferably, the length direction of all passages in this door-plate is consistent.

Preferably, the length direction of all passages in this door-plate is inconsistent.

In the present embodiment, all passages being arranged in base, side plate and door-plate can be all crossed geometry or stacked position.

Preferably, this passage is blind hole or through hole or is the through hole being with multistage opening.

Preferably, at least one of this accommodation space arranges porose on the surface.

Preferably, the cross section of this passage is rectangle or circle.

Positive progressive effect of the present utility model is:

Compared with prior art, the beneficial effects of the utility model are:

1, on side plate and door-plate after built-in reinforced pipe:

A. the intensity of side plate and door-plate is added;

B. side plate and the large problem of door-plate flexural deformation is solved;

C. ensure that the plot ratio of casing is not subject to the deformation effect of side plate and door-plate and reduces;

D. can not be obstructed because of distortion when door-plate is opened simultaneously;

E. achieve whole plane (planar structure with a small amount of hole can be comprised) inside side plate and door-plate, be both conducive to protecting content, and be convenient to again putting into and taking out of content, but also be convenient to inside clean box body.

2, after using built-in reinforced pipe technology on base:

A. the contact surface achieving base and content is whole plane (can comprise the planar structure with a small amount of hole), has both been conducive to protecting content, is convenient to again the clean of box inside;

B. the resistance to bending in some directions can be improved;

C. also can intersect, arranged stacked reinforced pipe, improve the load-carrying capacity of folding plastic box entirety;

D. save the consumption of plastic raw materials, thus control the overall cost of (reduction) folding carton.

3, the advantage of built-in reinforced pipe technology is:

Can the built-in stiffening profile of omnibearing protection, make outside section bar is not exposed to, situations such as to avoid grazing, get rusty, burn into is damaged or hurt sb.'s feelings, thus affect steel pipe service life or injure the hidden danger such as personal safety.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of folding carton in prior art.

Fig. 2 is the structural representation of another kind of folding carton in prior art.

Fig. 3 is the channel setting mode schematic diagram of the utility model embodiment 1.

Fig. 4 is the channel setting mode schematic diagram of the utility model embodiment 2.

Fig. 5 is the schematic diagram of long pattern of loosing core in the utility model.

Fig. 6 is the schematic diagram of short core-pulling pattern in the utility model.

Fig. 7 be in the utility model short core-pulling in conjunction with the schematic diagram of insert to slotting pattern.

Detailed description of the invention

Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described, be only casehistory below, therefore the utility model be not limited among described scope of embodiments.

Embodiment 1

Folding carton described in the present embodiment, it comprises base, side plate and door-plate, and this base and this side plate form an accommodation space, and all surface of this accommodation space is plane,

This folding carton also includes: formed respectively in this base, each side plate and each door-plate at least one hollow passage, and is arranged at the tubular part in each passage, and wherein, the inside face of the outside face of this tubular part and this passage fits.

The structure of base 1 described in reference diagram 3, wherein crisscrossly in base 1 be formed with hollow passage, tubular part 21 and 22 (because tubular part is intended to strengthen the intensity of whole folding carton, therefore hereinafter with reinforced pipe statement) is provided with in this passage.

Embodiment 2

The groundwork of embodiment 2 is identical with embodiment 1, and difference is:

With reference to figure 4, in the present embodiment, the orientation of reinforced pipe 22 is all consistent, and passages all in base all be arranged in parallel.

All the other not mentioned parts are with reference to embodiment 1.

Below, with reference to Fig. 5-Fig. 7, the simple several modes introducing passage in lower formation the utility model.

1, in the design, comprise the side plate of folding carton, door-plate and base, on the side sidewall of parts, be only provided with one or several core;

Above-mentioned core must press close to the inner side (only reserving the distance of wall thickness inside product) of sidewall in position, so that after having loosed core, the inner side of each parts (side plate, door-plate, base) can form whole plane;

Above-mentioned core is in length, and close another sidewall (at least reserving the distance of bottom wall thickness) corresponding with it of palpus, can form one or more hollow passage in the product when injecting;

Core-pulling mechanism is set in the side of injection mould, by being taken out out by each parts (side plate, door-plate, the base) core on sidewall, so that shaping product is thrown off by push rod or push pedal;

With reference to figure 5, after goods take out, namely on each parts (side plate, door-plate, base), achieve one or more hollow passage, this passage is blind hole 23;

Due to this method, only carry out unidirectional loosing core in the side of product, and stroke is longer, so kind method is called " length is loosed core " (arrow a is depicted as direction of loosing core).A reinforced pipe 21 is only shown in Fig. 5.

2, in the design, comprise the side plate of folding carton, door-plate and base, select the core sidewall of face-to-face both sides on parts being provided with a group or some groups, it is unique corresponding on same direction for often organizing core;

Above-mentioned core must press close to the inner side (only reserving the distance of wall thickness inside product) of sidewall in position, so that after having loosed core, the inner side of each parts (side plate, door-plate, base) can form whole plane;

Above-mentioned core is in length, and for one group, two aspectant cores must connect mid point in line for terminal, can form one or more through hollow passageway in the product after having injected with both sides;

Core-pulling mechanism is set in the two sides of injection mould, by by a group or some groups of cores on upper for each for folding carton parts (side plate, door-plate, base) two side, takes out out to both sides from the mid point of both sides respectively;

With reference to figure 6, after goods take out, namely on each parts (side plate, door-plate, base), achieve one or more through hollow passageway, this passage is through hole 24;

This by the method for center respectively to two side core-pullings, stroke of loosing core is shorter, and therefore the method is called " short core-pulling ", and direction of loosing core is respectively arrow b1 and b2 and represents.

3, in the design, comprise the side plate of folding carton, door-plate and base, select the core sidewall of face-to-face both sides on parts being provided with a group or some groups, it is unique corresponding on same direction for often organizing core;

With reference to figure 7, above-mentioned core must press close to the inner side (only reserving the distance of wall thickness inside product) of sidewall in position, so that after having loosed core, the inner side of each parts (side plate, door-plate, base) can form plane (band multistage opening);

Above-mentioned core must be less than the length of short core-pulling in length, reserves one section that does not loose core often organizing in the middle of core;

For above-mentioned a section of not loosing core, on the dynamic model and cover half of injection mould, adopt the structure (representing with Reference numeral 25) of core insert and cavity block interdigitation, the hollow passageway of one or more band multistage opening can be formed after die sinking on the stage casing of product;

After die sinking, at the core-pulling mechanism of injection mould two sides, by by a group or some groups of cores on upper for each for folding carton parts (side plate, door-plate, base) two side, take out out from the starting point (or terminal) of stage casing passage to both sides respectively;

After goods take out, the passage of the band multistage opening in product stage casing, the passage just in time formed by short core-pulling with both sides is connected, thus the one or more complete through hollow passageway formed, this passage is the through hole of band multistage opening.

This reinforced pipe is on material: include but not limited to by material based on steel or iron, include but not limited to that plastics, aluminium, glass fibre, wood chip etc. are as auxiliary material, by rolling, extrude, the reinforced pipe with certain geometrical shape that the technique such as casting is made.

This reinforced pipe, in shape and length, with the channels be in accordance on each parts of folding carton (side plate, door-plate, base), must make passage capable of being that the reinforced pipe of inserting is formed parcel, thus plays the effect of protection reinforced pipe;

Product is in cooling meat process, because built-in reinforced pipe to serve the effect of sizing at interiors of products, therefore product can only Planar Contraction, and cannot bend, this ensures that there the planarization of each parts of folding carton (side plate, door-plate, base), simultaneously after built-in reinforced pipe, product weight capacity is also better.

This utility model compensate for the defect of domestic and international existing Bulk plastic folding carton, can be widely used in industry and enterprise logistics transportation packing articles being had to high request, has more filled up blank both domestic and external.

Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that these are only casehistorys, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.

Claims (10)

1. a folding carton, it comprises base, side plate and door-plate, and this base and this side plate form an accommodation space, and it is characterized in that, all surface of this accommodation space is plane,

This folding carton also includes: formed respectively in this base, each side plate and each door-plate at least one hollow passage, and is arranged at the tubular part in each passage,

Wherein, the outside face of this tubular part and the inside face of this passage fit.

2. folding carton as claimed in claim 1, it is characterized in that, the length direction of all passages in this base is consistent.

3. folding carton as claimed in claim 1, it is characterized in that, the length direction of all passages in this base is inconsistent.

4. folding carton as claimed in claim 1, it is characterized in that, the length direction of all passages in this side plate is consistent.

5. folding carton as claimed in claim 1, it is characterized in that, the length direction of all passages in this side plate is inconsistent.

6. folding carton as claimed in claim 1, it is characterized in that, the length direction of all passages in this door-plate is consistent.

7. folding carton as claimed in claim 1, it is characterized in that, the length direction of all passages in this door-plate is inconsistent.

8. folding carton as claimed in claim 1, is characterized in that, this passage is blind hole or through hole or is the through hole being with multistage opening.

9. folding carton as claimed in claim 1, it is characterized in that, at least one of this accommodation space arranges porose on the surface.

10. folding carton as claimed in claim 1, it is characterized in that, the cross section of this passage is rectangle or circle.