TWM610173U - Buckling type paper lunch box - Google Patents

Abstract

This creation is about a snap-fit paper lunch box, which contains a box body and a lid. The box cover is inserted into the two first insertion parts of the box body with two second insertion parts, so that the box cover is fastened to the box body in a snap-fit manner. In addition, the box cover has a cover body and a flap, the cover body covers the accommodating space of the cover body, and the flap is connected to the cover body and at least a part of the cover body is glued together. In this way, the paper lunch box of the present invention can increase the airtightness between the lid and the box body, so as to effectively prevent foreign objects from entering, and make the fastening effect of the lid tighter and more reliable.

Description

Snap-fit paper lunch box

This creation is related to paper lunch boxes, especially a snap-fit paper lunch box.

A common paper lunch box is usually composed of a box body and a lid. After the food is loaded into the box, the lid is bound to the box with rubber bands to prevent food from overflowing or to prevent foreign objects such as dust or insects from entering. Into the box. However, this kind of paper lunch box must use an additional rubber band to achieve the airtight effect, which is not only not environmentally friendly, but also has a high cost of use.

In order to save the cost derived from the use of rubber bands, the paper lunch box developed later is mainly to provide at least one clip on one side of the cover, by inserting the clip of the cover into the corresponding card of the box body In the connection hole, the lid can be fixed without using rubber bands. However, this kind of snap-on type box cover is easy to cause poor fixing effect due to insufficient structural support, resulting in a gap between the box body and the box cover to allow the aforementioned foreign objects to enter the box body.

The main purpose of this creation is to provide a snap-fit paper lunch box, which can improve the structural support and achieve a compact and stable effect when being closed.

In order to achieve the above main purpose, the snap-fit paper lunch box of this creation includes a box body and a box cover. The box body has an accommodating space and a side wall, the side wall surrounds the accommodating space and has an insertion hole; the box cover has a cover for covering the accommodating space, and a fin connecting the cover, the The fin has an insertion part, and the fin is inserted into the insertion hole of the side wall of the box body by the insertion part, wherein the part of the fin adjacent to the cover and the part of the cover adjacent to the fin are full Or partly fixed together.

The snap-fit paper lunch box of this creation utilizes the adhesive design between the cover body and the flap, and matches the plug design between the box body and the box cover, so that the structural support of the box cover is improved. Furthermore, the fastening effect of the box cover is made tighter and more reliable, thereby increasing the airtightness between the box cover and the box body, and effectively preventing foreign objects such as dust or insects from entering.

Preferably, a folded edge can be formed between the flap and the cover body, and the folded edge is provided with at least one bonding portion, so that the flap is adjacent to the cover body and the cover body is adjacent to the flap. Fully or partially bonded together.

Preferably, the folding edge may be provided with only a single bonding part, so that the part of the flap adjacent to the cover body and the part of the cover body adjacent to the flap are fully bonded and fixed together.

Preferably, the folding edge may be provided with a plurality of bonding parts arranged at intervals, so that the part of the flap adjacent to the cover body and the part of the cover body adjacent to the flap part are bonded and fixed together.

In an embodiment of the present creation, the box body has a first side wall, a second side wall opposite to the first side wall, and two third side walls opposite to each other, and the first side wall has a first insertion portion , The first plug-in portion has an insertion hole and two slits that are connected to the insertion hole oppositely, and each of the third side walls is connected between the first side wall and the second side wall, so that the three side walls surround a container. The box cover has a cover and a flap, the cover covers the accommodating space, the flap is connected to the cover and at least a part of the cover is glued together, the flap It has a second plug-in portion, and the box cover is inserted into the insertion hole of the first plug-in portion of the box body with the second plug-in portion of the flap and clamped in the first plug-in portion of the box body respectively. The cut seams of a plug-in part enable the box cover to be quickly fixed to the box body.

Preferably, the bottom surface of the cover body and the inner peripheral surface of the fin are bonded together by one or more bonding parts formed by hot melting, and there is a fold between the cover body and the fin. The edge, the folded edge is completely covered by a bonding part or partially covered by the bonding parts.

Preferably, the box body further has two reinforcing sheets, each of the reinforcing sheets extends outward from the top edge of a third side wall and is bonded to at least a part of the adjacent third side wall , This can increase the structural strength of the box.

Preferably, each of the first plug-in portions of the box body further has a guiding piece, and the guiding piece is facing the insertion hole and located between the slits. Thereby, when the box cover is fixed, the second insertion portion of the box cover is first abutted against the guide piece, and then penetrates into the insertion hole along the guide piece, so as to achieve the effect of rapid positioning.

Preferably, each of the second inserting parts is in a push-pull shape that tapers outward, so as to be stably inserted into the insertion hole and clamped in the slits.

The detailed structure, characteristics, assembly or use of the snap-fit paper lunch box provided by this creation will be described in the detailed description of the subsequent implementation. However, those with ordinary knowledge in the field of creation should be able to understand that these detailed descriptions and specific embodiments listed in the implementation of this creation are only used to illustrate the creation, and are not intended to limit the scope of patent applications for this creation.

The applicant first explains here that throughout the specification, including the embodiments described below and the claims in the scope of the patent application, the nouns related to directionality are based on the directions in the drawings. Secondly, in the following embodiments and drawings, the same element numbers represent the same or similar elements or their structural features.

Please refer to Figures 1 and 2. The snap-fit paper lunch box 10 of this creation is formed by folding and bonding a piece of paper cut into a predetermined shape. How to fold and bond the paper is a conventional technique. This content will not be repeated. As for the inner and outer surfaces of the paper, a layer is provided by laminating or laminating, and it is made of materials such as polyethylene (PE) or polyethylene terephthalate (PET). The formed plastic film can prevent the oil and water of the food material from penetrating into the paper material.

Please continue to refer to FIGS. 1 and 2, the snap-fit paper lunch box 10 of the present creation includes a box body 20 and a box cover 40.

The box body 20 has a bottom wall 21, a first side wall 22, a second side wall 23 opposite to the first side wall 22, and two third side walls 24 opposite to each other. The first side wall 22 and the second side wall 23 are respectively connected to the front and rear sides of the bottom wall 21, and the two third side walls 24 are connected to the left and right sides of the bottom wall 21 and are respectively connected to the first side wall 22 and the second side wall 23 Between them, the bottom wall 21, the first side wall 22, the second side wall 23, and the two third side walls 24 jointly surround an accommodating space 25 for holding food materials, and at least one partition structure can be further provided in the accommodating space 25 26 (There can be many types of the separation structure 26, which are not limited here), so as to classify different ingredients. In addition, the box body 20 further has two reinforcing pieces 27 opposite to each other. The two reinforcing pieces 27 extend from the top edge of the two third side walls 24 in a direction away from the accommodating space 25 and are connected to the two third side walls 24. Between (that is, the junction of the reinforcing sheet 27 and the third side wall 24) is respectively formed a folded edge 28 (for ease of description, hereinafter referred to as the first folded edge 28), the first folded edge 28 can be fully covered with a single One bonding part 29 (as shown in FIG. 2), or a plurality of bonding parts 29 arranged at intervals (as shown in FIG. 3), so that the part of the reinforcing sheet 27 adjacent to the third side wall 24 is adjacent to the third side wall 24 The parts of the reinforcing sheet 27 can be fully or partially bonded and fixed together. In this embodiment, the aforementioned bonding portion 29 is formed by thermally fusing the inner peripheral surface of each reinforcing sheet 27 adjacent to the third side wall 24 and the outer peripheral surface of the adjacent third side wall 24 adjacent to the reinforcing sheet 27. The processing is performed in a pressurized manner, as shown in Fig. 4, the plastic films covering the outer surfaces of the two are heated and bonded to each other. With the provision of the aforementioned bonding portion 29, the structural support of the box body 20 is improved and it is not easy to collapse or be twisted.

Secondly, one of the side walls (such as the first side wall 22) of the box body 20 provided by the present creation is further provided with at least one plug-in portion 30 (for ease of description, hereinafter referred to as the first plug-in portion 30). In detail, as shown in FIGS. 5 and 7, the first side wall 22 has an inner layer 221 and an outer layer 223 after the paper material is folded and bonded from the outside to the inside. The left and right ends of the outer layer 223 respectively have a hole 31. Two slits 32 connected to the insertion hole 31 and a guiding piece 33 opposite to the insertion hole 31 and located between the two slits 32, the insertion hole 31, two slits 32 and the guiding piece 33 Together, a first plug-in portion 30 is formed. However, the first plug-in portion 30 is not limited to be provided on the outer layer 223, and can also be provided on the inner layer 221 according to actual needs. In addition, the number of the first plug-in portion 30 (especially the receptacle 31) is not limited to two. For example, only one first plug-in portion 30 (the receptacle 31) may be provided in the middle of the first side wall 22.

The box cover 40 has a cover 41 and a flap 42. The cover 41 is connected to the second side wall 23 of the box body 20 by its rear side, and the flap 42 is connected to the front side of the cover 41 and between the cover 41 (that is, the flap 42 is connected to the cover 41 respectively). ) To form a folded edge 43 (for ease of description, hereinafter referred to as the second folded edge 43), the second folded edge 43 can be provided with a single adhesive part 45 (as shown in Figure 2) covering the entire area, or it can also be provided A plurality of bonding portions 45 arranged at intervals (as shown in FIG. 3) allows the part of the fin 42 adjacent to the cover 41 and the part of the cover 41 adjacent to the fin 42 to be fully or partially bonded together. In this embodiment, the aforementioned bonding part 45 is processed by heat-melting and pressing the part of the bottom surface of the cover 41 adjacent to each fin 42 and the part of the inner peripheral surface of the fin 42 adjacent to the cover 41, so that The plastic films covering the two surfaces are heated and bonded to each other. However, the method of forming the bonding portion 45 of the present invention is not limited to this. For example, it can be aimed at the cover 41 where the bonding portion 45 is to be formed. The bottom surface and the inner peripheral surface of the flap 42 are directly applied with an adhesive such as hot melt adhesive to form the bonding portion 45. With the arrangement of the bonding portion 45, the structural support of the box cover 40 is improved and it is not easy to be twisted and deformed. Secondly, because the part of the flap 42 adjacent to the cover 41 and the part of the cover 41 adjacent to the flap 42 are fully or partially bonded to each other, the flap 42 will be inclined inwardly close to the cover 41 under the action of the bonding force. On the bottom surface, when the user pulls the flap 42 outwards and supports the flap 42 against the side wall of the box body 20 (the imaginary line drawn as shown in FIG. 6), the flap 42 will be affected by the aforementioned bonding force. There is a tendency to spring back inwardly. Therefore, when the box cover 40 is closed on the box body 20, the flap 42 can be tightly clamped and attached to the box body 20.

In addition, as shown in FIGS. 5 and 7, the fin 42 has two plug portions 44 protruding outward (for ease of description, hereinafter referred to as the second plug portion 44), each of the second plug portions 44 outwardly When the box cover 40 is closed, the cover body 41 will cover the accommodating space 25, and then the second plug-in parts 44 will abut against the guides in a one-to-one manner. The guide pieces 33 are then pushed down along the guide pieces 33, so that the second insertion portions 44 are inserted into the corresponding insertion holes 31 and clamped in the slits 32 respectively, and this is done. When the lid 40 is fixed, the flap 42 at this time is under the reinforcing effect of the adhesive portion 45 (that is, the flap 42 is inclined inwardly and rebounds under the effect of the adhesive force), and can be tightly closed with its inner peripheral surface The ground abuts against the outer peripheral surface of the first side wall 22 of the box body 20, so that the fastening effect is more tight and reliable.

In summary, the snap-fit paper lunch box 10 of the present creation allows the box cover 40 to be fast and stable through the matching between the first plug-in portion 30 of the box body 20 and the second plug-in portion 44 of the box cover 40 The fixed effect does not require the use of additional rubber bands, so that the purpose of reducing the cost of use can be achieved. In addition, the arrangement of the bonding parts 29 and 45 can increase the structural strength of the box body 20 on the one hand, so that the box body 20 is not easily deformed when it contains food materials, and on the other hand, it can increase the fastening effect between the box body 20 and the box cover 40. And airtightness to prevent foreign objects such as dust or insects from entering.

It should be noted that the structural arrangement between the box body 20 and the box cover 40 is not limited to the aspect disclosed in this embodiment. For example, in Figures 8 and 9, the box body 20 omits the two reinforcing pieces 27 on the left and right, and then a flap 42 is connected to the front side and the left and right sides of the cover 41 to make the box cover 40 When covering the box body 20, the three fins 42 are tightly clamped and attached to the box body 20. In addition, the box body 20 and the box cover 40 do not have to be connected together, and a separate design as shown in FIG. 10 can also be used, and then one or more first plugs are provided on the first side wall 22 and the second side wall 23 respectively. The connecting portion 30, at this time, the front side and the rear side of the cover 41 can be connected with a flap 42, and the number and position of each flap 42 are corresponding to the second of the aforementioned first inserting portion 30. The plug-in portion 44, in this way, can provide a better fastening effect. Furthermore, as shown in FIG. 11, the box body 20 omits the two reinforcing pieces 27 on the left and the right, and then a fin 42 is connected to the front and rear sides of the cover 41 and the left and right sides respectively. The separate design. Of course, for each of the aforementioned fins 42, regardless of whether the second insertion portion 44 is provided, one or more bonding portions 45 may be provided at the junction of the fin 42 and the cover 41, so that the fin 42 is adjacent to the position of the cover 41 The part adjacent to the flap 42 with the cover 41 can be fully or partially bonded and fixed together, and the fastening effect of the box body 20 is made tighter and more reliable by the aforementioned bonding portion 45.

10: Snap-fit paper lunch box 20: Box body 21: bottom wall 22: the first side wall 221: inner layer 223: Outer Layer 23: second side wall 24: third side wall 25: accommodating space 26: Partition structure 27: Reinforcement film 28: The first fold 29: Bonding part 30: The first plug-in part 31: jack 32: slitting 33: guide piece 40: box cover 41: Lid 42: Wing 43: second hem 44: second socket 45: Bonding part

Figure 1 is a perspective view of the snap-fit paper lunch box in the first embodiment of the creation when it is closed. Figure 2 is a perspective view of the snap-fit paper lunch box of the first embodiment of the creation when it is opened, which mainly shows that a bonding part is provided at the joint between the flap and the cover. Fig. 3 is similar to Fig. 2 and mainly shows that a plurality of bonding parts are provided at the joint between the flap and the cover. Fig. 4 is a cross-sectional view taken along line 4-4 in Fig. 2; Fig. 5 is a partial enlarged view of the snap-fit paper lunch box of the first embodiment of the invention, which mainly shows the structural relationship between the first plug-in portion of the box body and the second plug-in portion of the box cover. Fig. 6 is a cross-sectional view taken along line 6-6 in Fig. 5; Fig. 7 is a partial cross-sectional view of the snap-fit paper lunch box according to the first embodiment of the creation, which mainly shows that the second plug-in portion of the cover is inserted into the first plug-in portion of the box body. Figure 8 is a perspective view of the snap-fit paper lunch box of the second embodiment of the creation when it is opened, mainly showing that a bonding part is provided at the junction of the flap and the cover. Fig. 9 is similar to Fig. 8 and mainly shows that a plurality of bonding parts are provided at the joint between the flap and the cover. Fig. 10 is an exploded perspective view of the snap-fit paper lunch box according to the third embodiment of the creation. Fig. 11 is an exploded perspective view of the snap-fit paper lunch box according to the fourth embodiment of the creation.

20: Box body

21: bottom wall

22: the first side wall

23: second side wall

24: third side wall

25: accommodating space

26: Partition structure

27: Reinforcement film

29: Bonding part

30: The first plug-in part

40: box cover

41: Lid

42: Wing

44: second socket

45: Bonding part

Claims (10)

A snap-fit paper lunch box, including: A box body having an accommodating space and a side wall, the side wall surrounding the accommodating space and having an insertion hole; and A box cover having a cover body covering the accommodating space, and a flap connected to the cover body, the flap having an insertion portion, and the flap is inserted into the box body by the insertion portion Socket on the side wall; Its characteristics are: The part of the fin adjacent to the cover and the part of the cover adjacent to the fin are fully or partially fixed together. The snap-fit paper lunch box according to claim 1, wherein a fold is formed between the flap and the cover, and the fold is provided with at least one adhesive part, so that the flap is adjacent to the cover and the The parts of the cover adjacent to the flap are fully or partially bonded and fixed together. The snap-fit paper lunch box according to claim 2, wherein the fold is provided with only a single said bonding part, so that the part of the flap adjacent to the cover body and the part of the cover body adjacent to the flap are fully bonded and fixed Together. The snap-fit paper lunch box according to claim 2, wherein the folding edge is provided with a plurality of the bonding parts arranged at intervals, so that the part of the flap adjacent to the cover and the part of the cover adjacent to the flap Glue and fix them together. A snap-fit paper lunch box, including: A box body has a first side wall, a second side wall, and two opposite third side walls, the first side wall has a first plug-in portion, and the first plug-in portion has a socket and the two oppositely communicated with each other In the slit of the insertion hole, each of the third side walls is connected between the first side wall and the second side wall, so that the first side wall, the second side wall and the third side walls surround an accommodating space; and A box cover has a cover body and a flap, the cover body covers the accommodating space, the flap is connected to the cover body and at least a part of the cover body is glued together, and the flap has a first Two plug-in parts, the box cover is inserted into the insertion hole of the first plug-in part of the box body with the second plug-in part of the flap and clamped in the first plug-in part of the box body respectively In these cuts of the part. The snap-fit paper lunch box according to claim 5, wherein the bottom surface of the cover body and the inner peripheral surface of the flap are bonded together by a bonding part, and there is a gap between the cover body and the flap Folding, the bonding part is arranged on the flanging so as to extend and cover the entirety. The snap-fit paper lunch box according to claim 5, wherein the bottom surface of the cover and the inner peripheral surface of the wing are bonded together by a plurality of adhesive portions arranged at intervals, and the cover and the wing There is a folded edge between the sheets, and the multiple adhesive parts are arranged at intervals on the folded edge. The snap-fit paper lunch box according to any one of claims 5 to 7, wherein the box body further has two reinforcing pieces, each of the reinforcing pieces extends outward from the top edge of the third side wall and is in harmony with it At least a part of the adjacent third side wall is glued together. The snap-fit paper lunch box according to claim 5, wherein the first insertion portion of the box body further has a guiding piece, and the guiding piece is located directly on the insertion hole and between the slits. The snap-fit paper lunch box according to claim 5, wherein the second plug-in portion is in a push-pull shape that tapers outward.

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