TWM601031U - Compound lunch bag with volume expansion structure - Google Patents

Abstract

A composite lunch bag with a volume expansion structure, comprising a body, a zipper and a carrying part; the front side and the back side of the body form an accommodating space, the opening is opened on the top edge of the front side and the rear side, and the opening is connected with the accommodating space The front side includes a block; the first zipper tooth of the zipper extends from the front side to the back side, the second zipper tooth of the zipper is arranged around the edge of the block, and the zipper head is movably arranged between the first zipper tooth and The second zipper teeth. The hand-carrying part is arranged at one end of the body with an opening. When the first zipper teeth and the second zipper teeth are separated, the front side and the rear side are unfolded; when they are engaged, a part of the front side and the rear side is folded inward. In this way, this creation allows the user to adjust the function of the containing space according to the requirements by the arrangement of the blocks and the zipper.

Description

Compound lunch bag with volume expansion structure

This creation is about a bento bag structure, especially a compound bento bag with a volume expansion structure that can expand the box containing space.

The bento bag is a kind of bag specially used to hold the bento. Generally, it has the functions of oil resistance, waterproofing or heat preservation. It is used for users to separate the bento from the general documents or other items in the bag. It does not need to be packed in the same bag. Avoid accidental leakage of oil stains in the bento and contaminate other items or documents in the bag, which is convenient for students and office workers to carry the bento out.

With the rapid development of society and economy, people’s life is fast and compact. In the limited lunch break, many people choose to bring their lunch from home to the company or school as a rest in order to save time when going out to buy and eat out. Time meals, and through the rice steaming box or microwave oven provided by the company or school, the bento can be heated for users to eat; therefore, the bento bag is an indispensable item for people nowadays.

Among them, the conventional bento bag is designed to be convenient for users to carry. In the design, most of the bento bag is designed to be the size of only one bento and cannot hold other items; however, it is necessary to carry more food, beverages or other items temporarily. For snacks, since the conventional lunch bag has limited storage space, the user can only find a larger bag to hold it.

Furthermore, if the user packs it in a larger bag, after the bento and the extra food, beverages or snacks are consumed, only the bento is left and needs to be brought back. At this time, the oversized bag becomes too large. It is cumbersome and ordinary users are unlikely to use a large bag and a small bag at the same time. Therefore, the conventional lunch bag still has more inconvenience in use.

The main purpose of this creation is to provide a composite lunch bag with a volume expansion structure, allowing users to expand and reduce the containing space in the lunch bag according to their needs.

In order to achieve the aforementioned purpose, this creation will provide a composite lunch bag with a volume expansion structure, which includes a body, a zipper and a handle.

The main body includes a front side surface, a rear side surface, an accommodating space and an opening. The two sides of the front side and the bottom side are connected with the two sides of the rear side and the bottom side to form an accommodating space between the front side and the rear side. The opening is opened on the top edge of the front side and the rear side, the opening is communicated with the accommodating space, and the front side includes a block.

The zipper includes a first zipper tooth, a second zipper tooth, and a zipper head. The first zipper tooth extends from the front side to the back side. The second zipper tooth is arranged around the edge of the block, and the zipper head is movably arranged on the first side. Zipper teeth and second zipper teeth.

The carrying part is arranged at one end of the main body with an opening.

Wherein, when the first zipper teeth and the second zipper teeth are separated, the front side and the rear side are spread out.

Wherein, when the first zipper teeth and the second zipper teeth are engaged, a part of the front side and a part of the rear side are folded inward.

In an embodiment of this creation, the block is arranged between the middle of the front side and the bottom side, and the first zipper teeth extend laterally from the middle of the front side to the middle of the rear side.

In an embodiment of the present creation, the block is close to a first side of the front side, and the first zipper teeth pass through a second side of the front side and a first side of the rear side from the first side of the front side, and extend to the rear A second side of the side.

In an embodiment of this creation, the block is one of polygon, rectangle or circle.

In an embodiment of the present invention, the composite lunch bag with a volume expansion structure further includes at least one pocket, and at least one pocket is arranged in the block.

In an embodiment of the present creation, the beam opening includes two beam channels and at least one strap. The two beam channels are respectively arranged on the front side and the back side of the main body and are close to one end of the opening. At least one strap passes through There are two beam opening channels on the front side and the back side, and both ends of the strap are respectively exposed in the beam opening channels.

In an embodiment of the present creation, the beam opening includes two straps, one of which is passed through the beam opening channel on the front side and the beam opening channel on the rear side via a first side of the front side, and the other strap passes through the front A second side of the side passes through the beam opening channel on the front side and the beam opening channel on the back side in sequence, and both ends of the two straps are respectively exposed in the beam opening channel.

In an embodiment of the present creation, the mouth part includes two belts, one of which passes through a first side of the front side through the mouth passage on the back side and the mouth passage on the front side, and the other through the front side A second side of the spool passes through the beam opening channel on the back side and the beam opening channel on the front side in sequence, and both ends of the two straps are respectively exposed in the beam opening channel.

In an embodiment of the present invention, the composite lunch bag with a volume expansion structure further includes at least one strap portion, at least one strap portion includes two connecting portions and a strap body, and one of the connecting portions is disposed at a first end of the strap body , The other connecting part is arranged on the front side near the bottom, one of the second ends of the belt body is located in the accommodating space and connected to the main body, and the two connecting parts are detachably connected.

The effect of this creation is that through the block set on the front side and the zipper setting, the user can move the zipper pull to expand or reduce the housing space in the body, so that the user can change the lunch bag according to the needs. The function of the containing space inside avoids the need to carry more food, drinks, snacks or other items temporarily, because the lunch bag is too small and you need to find a larger bag to hold it, and you don’t need to carry a big one with you. A small bag is kept nearby, which is more convenient to use.

The following is a more detailed description of the implementation of this creation with the drawings and component symbols, so that those who are familiar with the art can implement it after studying this manual.

Fig. 1 is a front side view of a composite lunch bag with a volume expansion structure according to the first embodiment of the creation; Fig. 2 is a rear side view of a composite lunch bag with a volume expansion structure according to the first embodiment of the creation. As shown in FIG. 1 and FIG. 2, the present invention provides a composite lunch bag with a volume expansion structure, which includes a body 10, a zipper 20 and a carrying part 30. The following is a detailed explanation of each part.

The body 10 includes a front side 11, a rear side 12, an accommodation space 13 and an opening 14. The two sides of the front side 11 and the bottom side and the two sides of the rear side 12 are connected with the bottom side, so that the front side 11 and the rear side An accommodating space 13 is formed between the side surfaces 12; the opening 14 is opened on the top edge of the front side 11 and the rear side 12, and the opening 14 is connected to the accommodating space 13; the user can put lunch or other items in the container through the opening 14置空间13内.

The handle 30 is disposed at one end of the main body 10 having an opening 14. Preferably, the carrying portion 30 includes two carrying straps 31. Two ends of the two carrying straps 31 are respectively connected to one end of the front side 11 and the rear side 12 with the opening 14; specifically, the two ends of one of the carrying straps 31 are respectively The two ends of the other strap 31 are connected to the end of the rear side 12 with the opening 14 respectively. The user can lift the body 10 by extracting the two straps 31.

Among them, the length of the strap 31 of the portable part 30 of this creation is relatively short, and can only be picked up by the user or hung on the elbow; however, the length of the strap 31 is not limited to this, it can be lengthened according to the needs, so that the creation has The compound lunch bag with volume expansion structure has the function of slanting back or side back.

In the first embodiment of the present invention, the front side 11 includes a block 15; the zipper 20 includes a first zipper tooth 21, a second zipper tooth 22, and a zipper head 23; the first zipper tooth 21 extends from the front side 11 to the rear On the side surface 12, the second zipper teeth 22 are arranged around the edge of the block 15, and the zipper head 23 is movably arranged on the first zipper teeth 21 and the second zipper teeth 22.

Preferably, the block 15 is arranged between the middle of the front side 11 and the bottom side, and the first zipper teeth 21 extend laterally from the middle of the front side 11 to the middle of the rear side 12. Specifically, in the first embodiment of the present creation, the block 15 is close to a first side 111 of the front side 11, and the first zipper teeth 21 pass from the first side 111 of the front side 11 through a second side 112 of the front side 11 And a first side 121 of the rear side surface 12 and extend to a second side 122 of the rear side surface 12.

In the first embodiment of the present creation, the first side 111 of the front side 11 is the left side, the second side 112 is the right side, and the first side 121 of the rear side 12 is the left side, and the second side 122 is the right side; however, the front side The definitions of the first side 111 and the second side 112 of the 11 and the first side 121 and the second side 122 of the rear side 12 are not limited to this, and can be modified as required, so that the first side 111 of the front side 11 is the right side, and the second side The side 112 is the left side, and the first side 121 of the rear side 12 is the right side, and the second side 122 is the left side.

In the first embodiment of this creation, the block 15 is polygonal. Specifically, in the first embodiment of the creation, the block 15 is rectangular; however, the shape of the block 15 is not limited to this, and can be changed to a pentagonal or hexagonal shape as required.

Wherein, when the first zipper teeth 21 and the second zipper teeth 22 are separated, the front side 11 and the rear side 12 are spread out; when the first zipper teeth 21 and the second zipper teeth 22 are engaged, a part of the front side 11 and A part of the rear side 12 is folded inward.

Fig. 3 is a perspective view showing a part of the front side 11 and a part of the rear side 12 of the composite lunch bag with a volume expansion structure according to the first embodiment of the creation, folded inward; Fig. 4 is the first implementation of the creation For example, a three-dimensional view of a compound lunch bag with a volume expansion structure. As shown in Figures 3 and 4, specifically, when the user does not need to use so much accommodating space 13, a part of the front side 11 and a part of the rear side 12 can be folded inward , And by pulling the zipper head 23, the first zipper teeth 21 and the second zipper teeth 22 are meshed.

Fig. 5 is another perspective view of the composite lunch bag with volume expansion structure according to the first embodiment of the creation. As shown in FIG. 5, since a part of the front side 11 and a part of the rear side 12 are folded inward, the overall volume of the composite lunch bag with the volume expansion structure is greatly reduced, which is convenient for the user to carry ; And because the accommodating space 13 is reduced, it can also be used to find items placed in the accommodating space 13 more quickly.

When a larger accommodating space 13 is required, the user can separate the first zipper teeth 21 and the second zipper teeth 22 by moving the zipper head 23, and then a part of the front side 11 and the rear side 12 that are folded inward Pull out a part of the body 10 and flatten it out. Referring to Figures 1 and 2, the function of expanding the accommodating space 13 of the body 10 is completed; by expanding the accommodating space 13 of the body 10, the user can carry more For food, beverages, snacks or other items, there is no need to find a larger bag to hold it, which is more convenient to use.

6 is a schematic diagram of the tightening of the opening 40 of the compound lunch bag with a volume expansion structure according to the first embodiment of the creation. As shown in FIG. 6, the composite lunch bag with a volume expansion structure further includes a beam mouth 40; the beam mouth 40 is disposed at one end of the main body 10 close to the opening 14.

Specifically, the beam opening portion 40 includes two beam opening channels 42 and at least one strap 41. The two beam opening channels 42 are respectively disposed on the front side 11 and the back side 12 of the main body 10, and are close to one end of the opening 14. The belt 41 passes through the two opening passages 42 of the front side 11 and the rear side 12 respectively, and both ends of the belt 41 are exposed in the opening passage 42 respectively.

Preferably, the beam opening portion 40 includes two straps 41, one of the straps 41 passes through the beam opening channel 42 of the front side 11 and the beam opening channel 42 of the rear side 12 through the first side 111 of the front side 11, and the other The strap 41 sequentially passes through the aperture channel 42 of the front side 11 and the aperture channel 42 of the rear side 12 via the second side 122 of the front side 11, and both ends of the two straps 41 are exposed from the aperture channel 42 respectively.

However, the arrangement of the two straps 41 is not limited to this, and the passing method of the two straps 41 can be changed according to requirements, so that the two straps 41 have the same function, for example, one of the straps 41 is passed through the first side of the front side 11. The side 111 passes through the beam opening channel 42 of the rear side 12 and the beam opening channel 42 of the front side 11, and the other strap 41 passes through the beam opening channel 42 of the rear side 12 and the front side 11 through the second side 112 of the front side 11 in sequence. The two ends of the two straps 41 are exposed in the beam opening channel 42 respectively.

When the mouthpiece 40 needs to be used, the user can tighten the ends of the strap 41 to reduce the opening 14 to prevent dust from entering the accommodating space 13 of the body 10 and causing pollution; furthermore, through the mouthpiece The arrangement of the portion 40 can prevent the articles in the accommodating space 13 from falling out of the opening 14 when the main body 10 is inclined.

Fig. 7 is a front side view of a composite lunch bag with a volume expansion structure according to the second embodiment of the creation. As shown in FIG. 7, the difference from the first embodiment of the present creation is that, in the second embodiment of the present creation, the composite lunch bag with a volume expansion structure further includes at least one pocket 50, and at least one pocket 50 is arranged in In block 15; when the user separates the first zipper teeth 21 and the second zipper teeth 22 of the compound lunch bag with volume expansion structure, and the front side 11 and the back side 12 are spread out for use, the pocket can be further passed through 50 to place more items, more convenient in use. FIG. 8 is a perspective view of a composite lunch bag with a volume expansion structure according to the third embodiment of the creation. As shown in FIG. 8, the difference from the first embodiment of the present creation is that, in the third embodiment of the present creation, the composite lunch bag with a volume expansion structure further includes at least one strap portion 60 and at least one strap portion 60 It includes two connecting parts 61 and a belt 62; specifically, one of the connecting parts 61 is arranged at a first end of the belt 62, and the other connecting part 61 is arranged at a position near the bottom of the front side 11, and the belt 62 A second end is located in the accommodating space 13 and connected to the main body 10, and the two connecting parts 61 are detachably connected.

In the second embodiment of the present creation, the two connecting parts 61 are male and female buckles. However, the structure of the two connecting parts 61 is not limited to this, and can be changed to a devil felt or a structure with the same function as required.

The user can carry the composite lunch bag with the volume expansion structure of the invention as a cross-shoulder bag through the strap part 60; the composite lunch bag with the volume expansion structure of the invention can be carried by hand, It can be carried on a diagonal shoulder, allowing users to have more diversified carrying methods.

Fig. 9 is a perspective view of a composite lunch bag with a volume expansion structure according to the fourth embodiment of the creation. As shown in Figure 9, the difference from the first embodiment of the present creation is that in the fourth embodiment of the present creation, the composite lunch bag with the volume expansion structure has two strap parts 60, and the two strap parts 60 are respectively It is arranged on the first side 111 and the second side 112 close to the front side surface 11.

The user can carry the composite bento bag with the volume expansion structure of the invention as a backpack through the two strap parts 60; the composite bento bag with the volume expansion structure of the invention can be carried by hand In addition, it can also be carried by the user's shoulders, providing users with more diversified carrying methods.

FIG. 10 is another perspective view of the composite lunch bag with volume expansion structure according to the fifth embodiment of the creation. As shown in Figure 10, the difference from the first embodiment of this creation is that in the fifth embodiment of this creation, the block 15 is circular; the user can pull the zipper head 23 to make the first zipper teeth 21 and The second zipper teeth 22 are engaged to reduce the accommodating space 13 in the main body 10; however, the contour of the block 15 is not limited to this, and the contour of the block 15 can be changed to make the block 15 oval, semicircular or irregular形等。 Shape and so on.

The effect of this creation is that through the block 15 provided on the front side 11 and the arrangement of the zipper 20, the user can move the zipper head 23 to enlarge or reduce the accommodating space 13 in the main body 10, so that the user can The function of the storage space in the lunch bag is changed according to the needs, so as to avoid the situation that when you need to carry more food, drinks, snacks or other items temporarily, because the lunch bag is too small, you need to find a larger bag to hold it. There is no need to carry a large and a small bag with you for later use, which is more convenient to use.

The above are only used to explain the preferred embodiments of this creation, and are not intended to impose any formal restrictions on this creation. Therefore, any modification or change of this creation made under the same creative spirit , Should still be included in the scope of protection of this creative intention.

10: body 11: Front side 111: first side 112: second side 12: Rear side 121: first side 122: second side 13: accommodation space 14: opening 15: block 20: Zipper 21: The first zipper tooth 22: second zipper teeth 23: Zipper puller 30: Handheld 31: carry strap 40: beam mouth 41: Drawstring 42: beam mouth channel 50: pocket 60: Strap 61: Connection 62: belt body

Figure 1 is a front side view of a composite lunch bag with a volume expansion structure according to the first embodiment of the creation. Fig. 2 is a rear side view of the composite lunch bag with a volume expansion structure according to the first embodiment of the creation. 3 is a perspective view of a part of the front side and a part of the rear side of the composite lunch bag with a volume expansion structure according to the first embodiment of the creation. Fig. 4 is a perspective view of a composite lunch bag with a volume expansion structure according to the first embodiment of the creation. Fig. 5 is another perspective view of the composite lunch bag with volume expansion structure according to the first embodiment of the creation. Fig. 6 is a schematic diagram of the tightening of the mouth of the compound lunch bag with a volume expansion structure according to the first embodiment of the creation. Fig. 7 is a front side view of a composite lunch bag with a volume expansion structure according to the second embodiment of the creation. FIG. 8 is a perspective view of a composite lunch bag with a volume expansion structure according to the third embodiment of the creation. Fig. 9 is a perspective view of a composite lunch bag with a volume expansion structure according to the fourth embodiment of the creation. FIG. 10 is another perspective view of the composite lunch bag with volume expansion structure according to the fifth embodiment of the creation.

10: body

11: Front side

111: first side

112: second side

14: opening

15: block

20: Zipper

21: The first zipper tooth

22: second zipper teeth

23: Zipper puller

30: Handheld

40: beam mouth

41: Drawstring

42: beam mouth channel

Claims (10)

A composite lunch bag with a volume expansion structure, including: A body includes a front side surface, a rear side surface, an accommodating space and an opening. The two sides and the bottom side of the front side are connected with the two sides and the bottom side of the rear side, so that the front side and the back side The accommodating space is formed between, the opening is opened on the top edge of the front side and the rear side, the opening is communicated with the accommodating space, and the front side includes a block; A zipper includes a first zipper tooth, a second zipper tooth, and a zipper head. The first zipper tooth extends from the front side to the rear side. The second zipper tooth is arranged around the edge of the block. The zipper head is movably disposed on the first zipper teeth and the second zipper teeth; and A hand-carrying part arranged on the end of the main body with the opening; Wherein, when the first zipper teeth and the second zipper teeth are separated, the front side and the rear side are spread out; and Wherein, when the first zipper teeth and the second zipper teeth are engaged, a part of the front side and a part of the rear side are folded inward. The compound lunch bag with a volume expansion structure according to claim 1, wherein the block is disposed between the middle of the front side and the bottom side, and the first zipper teeth extend laterally from the middle of the front side to The middle of the back side. The compound lunch bag with a volume expansion structure according to claim 2, wherein the block is close to a first side of the front side, and the first zipper teeth pass through the front from the first side of the front side A second side of the side and a first side of the back side, and extend to a second side of the back side. The compound lunch bag with a volume expansion structure according to claim 1, wherein the block is one of polygon, rectangle or circle. The composite lunch bag with a volume expansion structure as described in claim 1, further comprising at least one pocket, and the at least one pocket is arranged in the block. The compound bento bag with a volume expansion structure as described in claim 1, further comprising a beam opening, and the beam opening is arranged close to one end of the opening. The compound lunch bag with a volume expansion structure according to claim 6, wherein the mouth portion includes two mouth passages and at least one strap, and the two mouth passages are respectively disposed on the front side and the front side of the body On the rear side surface and close to one end of the opening, the at least one strap passes through the two opening passages on the front side and the rear side respectively, and both ends of the strap are respectively exposed from the opening passage. The compound lunch bag with a volume expansion structure according to claim 7, wherein the mouth portion includes two straps, one of which passes through the bundle of the front side via a first side of the front side Mouth channel and the beam mouth channel on the back side, another belt passes through the beam mouth channel on the front side and the beam mouth channel on the back side sequentially via a second side of the front side, and the two Both ends of the strap are respectively exposed in the beam opening channel. The compound lunch bag with a volume expansion structure according to claim 7, wherein the mouth portion includes two straps, and one of the straps passes through the bundle on the rear side via a first side of the front side The opening channel and the beam opening channel on the front side, another belt passes through the beam opening channel on the back side and the beam opening channel on the front side sequentially via a second side of the front side, and the two Both ends of the strap are respectively exposed in the beam opening channel. The composite lunch bag with a volume expansion structure according to claim 1, further comprising at least one strap portion, the at least one strap portion includes two connecting portions and a strap body, wherein one connecting portion is disposed on a first part of the strap body. One end and the other connecting part are arranged at a position close to the bottom of the front side, a second end of the belt body is located in the containing space and connected to the main body, and the two connecting parts are detachably connected.

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