CN212173184U

CN212173184U - Food packaging bag capable of being sealed in vacuum

Info

Publication number: CN212173184U
Application number: CN202020245737.0U
Authority: CN
Inventors: 林璐璐; 许琪达
Original assignee: Shanghai Zhongzheng Printing Co ltd
Current assignee: Shanghai Zhongzheng Printing Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-18
Anticipated expiration: 2030-03-03

Abstract

The utility model belongs to the technical field of food packaging bags, in particular to a vacuum-sealable food packaging bag, which comprises a bottom plate, wherein a first packaging film with an annular structure is fixed at the top of the bottom plate, the first packaging film consists of folding units with V-shaped structures which are sequentially connected from top to bottom, a second packaging film with an annular structure is fixed at the top end of the first packaging film, fixing mechanisms which are symmetrically distributed along the axis of the first packaging film are arranged on both sides of the first packaging film, two groups of fixing mechanisms comprise housings fixed at the tops of the bottom plate, a rotating shaft is sleeved in the housing in an internal movable manner, a binding band is wound on the outer ring of the rotating shaft, and a buckle is fixed at one end of the binding band extending out; the utility model discloses can accomodate folding, the convenient saving with food package bag to can used repeatedly, environmental protection and energy saving.

Description

Food packaging bag capable of being sealed in vacuum

Technical Field

The utility model relates to a food package bag technical field especially relates to a but vacuum seal's food package bag.

Background

At present, vacuum packaging bags are widely used for articles needing sealed packaging, such as food, clothes and other articles which can be packaged in a vacuum mode, a bag-shaped storage space is formed by butting edges of two bag skins of a general vacuum packaging bag, and a vacuum device is connected after the articles are placed in the bag-shaped storage space.

SUMMERY OF THE UTILITY MODEL

The utility model provides a but food package bag of vacuum seal has solved the inconvenient problem of accomodating.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a but food package bag of vacuum seal, includes the bottom plate, the top of bottom plate is fixed with the first packaging film of loop configuration, and first packaging film comprises from last folding unit to the V font structure that connects gradually extremely down, the top of first packaging film is fixed with the second packaging film of loop configuration, the both sides of first packaging film all are provided with along wherein spool line symmetric distribution's fixed establishment, and two sets of fixed establishment include the housing fixed with the bottom plate top, and the pivot has been cup jointed in the inside activity of housing, and the outer lane winding of pivot is connected with the bandage, and the one end that the housing was stretched out to the bandage is fixed with the buckle.

Preferably, the topmost the joint board of the L type structure that sets up along its length direction is all installed to folding unit's both sides that are close to fixed establishment, and the joint board is located folding unit's the portion top of bending, and the joint hole has all been seted up to one side below that the housing is close to each other.

Preferably, the strap is made of an elastic material.

Preferably, two groups of sealing strips which are symmetrically distributed along the central axis of the second packaging film are fixed on the inner wall of the second packaging film.

Preferably, the first packaging film is fixedly sleeved with an air pipe, and the air pipe is provided with a one-way valve.

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

the utility model discloses a sealing strip makes first packaging film be in vacuum seal state with the check valve, and it is fixed with the compression of second packaging film through folding unit, pivot, housing, bandage and buckle simultaneously, convenient the accomodating to can preserve it completely, can recycle, environmental protection and energy saving.

Drawings

Fig. 1 is a schematic structural view of a food packaging bag capable of being vacuum sealed according to the present invention.

Fig. 2 is a schematic structural diagram of the first packaging film and the bottom plate of the present invention.

Fig. 3 is a schematic structural diagram of the fixing mechanism according to the present invention.

Reference numbers in the figures: 1. a base plate; 2. a first packaging film; 3. a second packaging film; 4. a sealing strip; 5. an air tube; 6. a fixing mechanism; 7. binding bands; 8. a housing; 9. a rotating shaft; 201. a folding unit; 202. the joint board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a food packaging bag capable of being sealed in vacuum comprises a bottom plate 1, wherein a first packaging film 2 with an annular structure is fixed at the top of the bottom plate 1, the first packaging film 2 is composed of folding units 201 with V-shaped structures which are sequentially connected from top to bottom, a second packaging film 3 with an annular structure is fixed at the top end of the first packaging film 2, fixing mechanisms 6 which are symmetrically distributed along the axis of the first packaging film 2 are arranged on two sides of the first packaging film 2, two groups of fixing mechanisms 6 comprise a housing 8 fixed with the top of the bottom plate 1, a rotating shaft 9 is movably sleeved in the housing 8, a binding band 7 is wound on the outer ring of the rotating shaft 9, and a buckle is fixed at one end of the binding band 7, which extends out of; when vacuumizing the first packaging film 2, the sealing strip 4 connects the inner walls of the second packaging film 3 together, so that the first packaging film 2 is in a sealing state, the air inside the first packaging film 2 is pumped out through the air pipe 5 by using a vacuum pump, meanwhile, the gas backflow is avoided through the one-way valve, the first packaging film is in a vacuum state, when the first packaging film 2 is stored and recovered, the second packaging film 4 is opened through the sealing strip 4, so that the first packaging film 2 is in a normal air pressure state, then the folding unit 201 is folded downwards, then the two groups of straps 7 are connected together through the buckles, the first packaging film 2 and the second packaging film 3 are located below the two groups of straps 7, the storage is convenient, the storage can be relatively long, and the cyclic utilization can be realized.

Furthermore, the two sides of the topmost folding unit 201 close to the fixing mechanism 6 are both provided with a clamping plate 202 of an L-shaped structure arranged along the length direction of the folding unit, the clamping plate 202 is positioned above the bending part of the folding unit 201, and clamping holes are formed below the side, close to each other, of the housing 8; through couple 202 and joint hole joint to compress first wrapping film 2, conveniently accomodate.

In particular, the strap 7 is made of elastic material; the strap 7 is conveniently stored inside the housing 8 when not in use.

It is worth to say that two groups of sealing strips 4 which are symmetrically distributed along the central axis of the second packaging film 3 are fixed on the inner wall of the second packaging film; the inner walls of the second packaging film 3 are joined together by the sealing tape 4 so that the inside of the first packaging film 1 is in a vacuum-sealed state.

In addition, the first packaging film 2 is fixedly sleeved with an air pipe 5, and the air pipe 5 is provided with a one-way valve; the check valve prevents the gas from flowing back so that the first packaging film 2 is in a vacuum state.

The working principle is as follows: when the first packaging film 2 is vacuumized, the inner walls of the second packaging film 3 are connected together through the sealing strips 4, so that the first packaging film 2 is in a sealing state, air inside the first packaging film 2 is pumped out through the air pipe 5 by using a vacuum pump, meanwhile, gas backflow is avoided through the one-way valve, the first packaging film 2 is in a vacuum state, when the first packaging film 2 is stored and recovered, the second packaging film 4 is opened through the sealing strips 4, so that the first packaging film 2 is in a normal air pressure state, then the folding unit 201 is folded, then the two groups of the binding bands 7 are connected together through the buckles, the first packaging film 2 and the second packaging film 3 are located below the two groups of the binding bands 7, the storage is convenient, the storage can be longer, and the cyclic utilization can be realized.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but food package bag of vacuum seal, includes bottom plate (1), its characterized in that, the top of bottom plate (1) is fixed with first packaging film (2) of loop configuration, and first packaging film (2) comprise from last folding unit (201) of the V font structure that connects gradually extremely down, the top of first packaging film (2) is fixed with second packaging film (3) of loop configuration, the both sides of first packaging film (2) all are provided with along fixing mechanism (6) of wherein spool line symmetric distribution, and two sets of fixing mechanism (6) include with bottom plate (1) top fixed housing (8), and pivot (9) have been cup jointed in the inside activity of housing (8), and the outer lane winding of pivot (9) is connected with bandage (7), and the one end that casing (8) were stretched out in bandage (7) is fixed with the buckle.

2. The food packaging bag capable of being vacuum sealed according to claim 1, wherein the two sides of the topmost folding unit (201) close to the fixing mechanism (6) are both provided with clamping plates (202) of L-shaped structures arranged along the length direction of the folding unit, the clamping plates (202) are located above the bending part of the folding unit (201), and clamping holes are formed below the side, close to each other, of the housing (8).

3. The vacuum sealable food packaging bag according to claim 2, characterized in that the strap (7) is made of an elastic material.

4. The vacuum sealable food packaging bag according to claim 1, characterized in that two sets of sealing strips (4) are fixed to the inner wall of the second packaging film (3) and symmetrically distributed along its central axis.

5. The food packaging bag capable of being sealed in vacuum as claimed in claim 1, wherein the first packaging film (2) is fixedly sleeved with an air pipe (5), and a one-way valve is mounted on the air pipe (5).