CN201111488Y

CN201111488Y - Handle pore structure for packing box

Info

Publication number: CN201111488Y
Application number: CNU2007202009684U
Authority: CN
Inventors: 曹宏; 张涛
Original assignee: Sichuan Changhong Electric Co Ltd
Current assignee: Sichuan Changhong Electric Co Ltd
Priority date: 2007-09-05
Filing date: 2007-09-05
Publication date: 2008-09-10
Anticipated expiration: 2017-09-05

Abstract

The utility model discloses a handle hole structure of a packaging box which is convenient for transportation and solves the problem that force bearing area between the existing packaging box handle hole and the palm is small and is inconvenient for transportation. The handle hole structure of the packaging box of the utility model comprises a handle hole which is formed by a cutting line and a main folding line and a folding plate which is formed on the top of the handle hole by the main folding line, wherein, the folding plate is folded to form the force bearing area by sections. The force bearing surface is formed by the folding of the folding plate by sections, which increases the force bearing surface between the folding plate and the palm, leads the conveyor to feel more comfortable on hand feeling and leads the packaging box to be convenient for transportation; meanwhile, as the folding plate enters the packaging box body by multi-folding, the problem that the folding plate can not completely folded into the box body is solved; furthermore, the volume of contents can be properly enlarged or the volume of the packaging box can be properly reduced so as to reduce transport cost. The handle hole structure of the packaging box of the utility model can be widely applied to the fields such as corrugating paper packaging box, plastic packaging box, etc.

Description

The handle aperture structure of packing chest

Technical field

The utility model relates to packaging field, relates in particular to a kind of handle aperture structure of packing chest.

Background technology

The carrying of packing chest is provided with handle aperture in the both sides of packing chest usually for convenience.With present widely used fluting board packing chest is example, and as Fig. 1, the contour shape of its handle aperture is an oblong, and rectangular four angles are rounding.Above-mentioned handle aperture is by special die cutting plate cardboard to be carried out machine-shaping, thereby wherein on the cardboard of the both sides of casing, carry out continuous cutting and form and cut off line according to the contour shape of handle aperture by being arranged on cutting off tool in the die cutting plate, use the line ball cutter that is arranged in the die cutting plate to process fold line as initial point and terminating point simultaneously, according to fold line the cardboard that cuts out is folded into casing at last with the two-end-point that cuts off line.The described cardboard that is folded into casing is flap.As shown in phantom in Figure 1, the one section straight line in the centre on the profile of handle aperture top is a fold line, and shown in heavy line among Fig. 1, the peripheral profile line except that fold line is for cutting off line, and intersect with the cut-out line respectively at the fold line two ends.

Fig. 2 is the scheme drawing of Fig. 1 side direction.As shown in Figure 2, owing to be single folded structure between the casing of flap and packing chest, therefore in the handling process of packing chest, can produce following problem:

(1) area of thrust surface between flap and palm are little, and palm on fold line, causes bearer's feel discomfort to the force localization of flap easily, increased the strength at repeated alternation of carrying;

(2) when the distance of content and packing chest casing during less than the flap width, flap can't fold into casing fully, and people's palm acts on the handle aperture cardboard and is difficult to firmly increase the carrying difficulty.

The utility model content

Technical problem to be solved in the utility model is: the handle aperture structure that a kind of packing chest of convenient carrying is provided.

Solving the problems of the technologies described above employed technical scheme is: the handle aperture structure of packing chest comprises that at the flap that the top of handle aperture forms by main fold line, wherein, the flap segmentation is folded to form bearing surface by cutting off the handle aperture that line and main fold line form.

As further improvement in the technical proposal, flap is folded to form bearing surface by inferior fold line segmentation.

As further improvement in the technical proposal, main fold line is a circular arc.

As further improvement in the technical proposal, the two ends that cut off line are respectively arranged with circular arc, and main fold line lays respectively to cut off on the line with the intersection point that cuts off line and is connected on the The initial segment of circular arc

As further improvement in the technical proposal, circular arc is symmetricly set on main fold line two ends.

The beneficial effects of the utility model are: the handle aperture structure of packing chest of the present utility model, by the folding formed bearing surface of flap segmentation, increased the area of thrust surface between flap and the palm, and make bearer's feel more comfortable, made things convenient for the carrying of packing chest; Simultaneously,, solved flap and can't fold into the problem of casing fully, and can suitably enlarge the volume of content or dwindle the volume of packing chest, to reduce landed cost because flap is by folding in the packing chest casing more; In addition, by circular arc being set respectively at the two ends that cut off line, main fold line lays respectively to cut off on the line with the intersection point that cuts off line and is connected on the The initial segment of circular arc, because circular arc can disperse the internal force of handle aperture periphery, alleviation is too concentrated with the friction stress that cuts off line intersection point place because of handle aperture master fold line and is caused handle aperture to be torn, and has improved the intensity of handle aperture.

Description of drawings

Fig. 1 is the handle aperture structural representation of existing packing chest.

Fig. 2 is the scheme drawing of Fig. 1 side direction.

Fig. 3 is the handle aperture structural representation of the packing chest of the utility model embodiment 1.

Fig. 4 is the scheme drawing of Fig. 3 side direction.

Be labeled as among the figure: main fold line 1a, inferior fold line 1b, circular arc 2a, circular arc 2b cuts off line 3, flap 4, bearing surface 5, The initial segment 6a, The initial segment 6b.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

As Fig. 3～Fig. 4, the handle aperture structure of packing chest of the present utility model comprises that at the flap 4 that the top of handle aperture forms by main fold line 1a, wherein, flap 4 segmentations are folded to form bearing surface 5 by cutting off the handle aperture that line 3 and main fold line 1a form.By the folding formed bearing surface 5 of flap 4 segmentations, increased the area of thrust surface between flap 4 and the palm, make bearer's feel more comfortable, made things convenient for the carrying of packing chest; Simultaneously,, solved flap 4 and can't fold into the problem of casing fully, and can suitably enlarge the volume of content or dwindle the volume of packing chest, to reduce landed cost because flap 4 is by folding in the packing chest casing more.

Wherein, flap 4 is folded to form bearing surface 5 by inferior fold line 1b segmentation.Flap 4 preferably is folded into two sections by inferior fold line 1b.Certainly, flap 4 also can be folded into multistage according to the quantity of inferior fold line 1b.

Feel when flap 4 is contacted with people's palm is more comfortable, and main fold line 1a is a circular arc.The structure of circular arc can improve the degree of agreement of flap 4 and palm, increases the comfortable feel degree.

Cause handle aperture to be torn for fear of handle aperture master fold line 1a with the friction stress that cuts off line 3 intersection point places is too concentrated, the two ends that cut off line 3 are respectively arranged with

circular arc

2a, 2b, and main fold line 1a lays respectively to cut off on the line 3 with the intersection point that cuts off line 3 and is connected on The initial segment 6a, the 6b of circular arc 2a, 2b.Because

circular arc

2a, 2b can disperse the internal force of handle aperture periphery, alleviate because of handle aperture master fold line 1a causes handle aperture to be torn with the friction stress that cuts off line 3 intersection point places is too concentrated, improved the intensity of handle aperture.

In order to make the stressed even of handle aperture,

circular arc

2a, 2b are symmetricly set on main fold line 1a two ends.

Embodiment 1

Handle aperture structure as the packing chest of Fig. 3～Fig. 4, comprise by cutting off the handle aperture that line 3 and main fold line 1a form, at the flap 4 that the top of handle aperture forms by main fold line 1a, wherein the flap 4 of handle aperture divides two sections to be folded to form bearing surface 5 by inferior fold line 1b.Cause handle aperture to be torn for fear of handle aperture master fold line 1a with the friction stress that cuts off line 3 intersection point places is too concentrated, the main two ends that cut off line 3 are respectively arranged with

circular arc

2a, 2b, and main fold line 1a lays respectively to cut off on the line 3 with the intersection point that cuts off line 3 and is connected on The initial segment 6a, the 6b of circular arc 2a, 2b.

Circular arc

2a, 2b among Fig. 3 is the structure of extending outside handle aperture, the terminal point of its extension is positioned at outside the handle aperture.

Circular arc

2a, 2b also can be the structure of extending in handle aperture.In addition, handle aperture master's fold line 1a is a circular arc, can improve the degree of agreement of flap 4 and palm like this, makes feel more comfortable.

Claims

1. the handle aperture structure of packing chest comprises that at the flap (4) that the top of handle aperture forms by main fold line (1a), it is characterized in that: flap (4) segmentation is folded to form bearing surface (5) by cutting off the handle aperture that line (3) and main fold line (1a) form.

2. the handle aperture structure of packing chest as claimed in claim 1 is characterized in that: flap (4) is folded to form bearing surface (5) by time fold line (1b) segmentation.

3. the handle aperture structure of packing chest as claimed in claim 1 or 2 is characterized in that: main fold line (1a) is circular arc.

4. the handle aperture structure of packing chest as claimed in claim 1 or 2, it is characterized in that: the two ends that cut off line (3) are respectively arranged with circular arc (2a, 2b), and main fold line (1a) lays respectively to cut off on the line (3) with the intersection point that cuts off line (3) and is connected on the The initial segment (6a, 6b) of circular arc (2a, 2b).

5. the handle aperture structure of packing chest as claimed in claim 3, it is characterized in that: the two ends that cut off line (3) are respectively arranged with circular arc (2a, 2b), and main fold line (1a) lays respectively to cut off on the line (3) with the intersection point that cuts off line (3) and is connected on the The initial segment (6a, 6b) of circular arc (2a, 2b).

6. the handle aperture structure of packing chest as claimed in claim 4, it is characterized in that: circular arc (2a, 2b) is symmetricly set on main fold line (1a) two ends.

7. the handle aperture structure of packing chest as claimed in claim 5, it is characterized in that: circular arc (2a, 2b) is symmetricly set on main fold line (1a) two ends.