CN214932057U - Film for vacuum packaging - Google Patents

Abstract

The utility model discloses a film for vacuum packaging aims at solving the clothing through vacuum packaging and can be extruded the blocking when the transportation, and influences the problem of the normal availability factor of clothing. The key points of the technical scheme are as follows: the utility model provides a film for vacuum packaging, includes the wrapping bag body, and wrapping bag body from interior to exterior has set gradually inner wrapping layer, thin layer and outer packaging layer, is formed with the vacuum cavity between inner wrapping layer and the thin layer, is provided with first seal assembly between inner wrapping layer and the thin layer, is provided with the second seal assembly between inner wrapping layer and the outer packaging layer, and the one end of outer packaging layer is provided with first strong point, and the other end is provided with the second strong point. The utility model discloses a film for vacuum packaging can solve when the clothing transports, and each layer wrapping bag overlaps together, and the extranal packing layer blocks the clothing of inner packing for first strong point and second strong point on each layer wrapping bag overlap each other and prevent mutual extrusion.

Description

Film for vacuum packaging

Technical Field

The utility model relates to the field of packaging, more specifically say, it relates to a film for vacuum packaging.

Background

The vacuum package is used for protecting the product from environmental pollution and prolonging the storage life of food and the like, and can improve the value and the quality of the product. Vacuum packaging technology originated in the 40's of the 20 th century. Since the successful application of polyester and polyethylene plastic films to commodity packaging in 1950, vacuum packaging machines have been rapidly developed. And the vacuum packaging bag can be applied to the fields of food, clothes and the like for packaging and transporting.

In the prior art, when carrying out the vacuum packaging and transporting again to the clothing, each layer of clothing is together transported and can be reduced the waste in space, because the effect of gravity, the wrapping bag can extrude each other to also can lead to the clothing in the wrapping bag to be extruded together, the clothing will be extruded into the piece like this, when the clothing takes out from the wrapping bag, needs the user to consume more time and puts in order the clothing and use again.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a film for vacuum packaging passes through the vacuum packaging bag transportation at the clothing, and when each layer wrapping bag overlapped together, the extranal packing layer blockked the clothing of inner packing for first strong point and the mutual overlapping of second strong point on each layer wrapping bag prevent mutual extrusion.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a film for vacuum packaging, includes the wrapping bag body, wrapping bag body from interior to exterior has set gradually inner packing layer, thin layer and outer packing layer, be formed with the vacuum cavity between inner packing layer and the thin layer, be provided with first seal assembly between inner packing layer and the thin layer, be provided with the second seal assembly between inner packing layer and the outer packing layer, the one end of outer packing layer is provided with first strong point, and the other end is provided with the second strong point, first strong point and second strong point all set up on the four corners of outer packing layer.

By adopting the technical scheme, when the packaging bag body is normally used, a product to be packaged is placed in the inner packaging layer, the thin film layer and the outer packaging layer are wrapped on the outer side of the inner packaging layer at the moment, then the vacuum packaging machine is inserted into the vacuum cavity formed between the thin film layer and the inner packaging layer, air in the vacuum cavity is absorbed, so that the inner packaging layer and the thin film layer can be tightly wrapped on the outer wall of the product, the air between the product and the inner packaging layer is gradually reduced, the product is in a vacuum packaging state at the moment, a user seals the inner packaging layer and the thin film layer through the first sealing assembly, the outer packaging layer is sealed through the second sealing assembly, the product needs to be stacked together for transportation after passing through the packaging, and the adjacent packaging bag body can be aligned between the first supporting point and the second supporting point on the outer side of the outer packaging layer, make wrapping bag body range upon range of together, at the strong point of first strong point and second strong point for wrapping bag body is overlapped together by the transportation middle level, and this internal product of wrapping bag can not be extruded the blocking, and the user can not consume more time and handle the product and just can use when the product is taken out from the inner packing layer, guarantees wrapping bag body's availability factor.

The utility model discloses further set up to: first seal the subassembly including setting up protruding and the setting of joint recess at thin layer opposite side in the joint of thin layer one side, the joint is protruding to cooperate the block with the joint recess.

Through adopting above-mentioned technical scheme, when needs seal the vacuum cavity, the user can laminate the protruding and joint recess mutually of joint of first seal subassembly for joint protruding and joint groove connection closely realize the sealed of vacuum cavity, person's of facilitating the use's operation.

The utility model discloses further set up to: sealing gaskets are arranged on the inner wall of the clamping groove and the outer wall of the clamping protrusion.

Through adopting above-mentioned technical scheme, sealed setting up of filling up makes joint protruding and joint recess block can be for inseparable and realize the leakproofness of vacuum chamber when being in the same place.

The utility model discloses further set up to: the protruding salient in thin layer of joint, be provided with the sealing switch on the thin layer, sealing switch sliding connection is on the thin layer, and sealing switch and the protruding looks meshing of joint.

Through adopting above-mentioned technical scheme, seal the switch and the protruding meshing of mutually of joint makes seal the switch and closely connect on the thin layer, and seal the switch and can drive the protruding meshing mutually to the joint recess of joint on the thin layer outer wall by sliding connection, realize the sealed of thin layer and inner packing layer.

The utility model discloses further set up to: the one end that the seal switch is close to the thin layer is provided with the slider, set up on the thin layer and supply the gliding spout of slider.

Through adopting above-mentioned technical scheme, can drive the slider and slide in the spout on the thin layer when sealing the switch and slide on the outer wall of thin layer, and the slider inserts and prevents to seal switch and thin layer and take off in the spout.

The utility model discloses further set up to: and one end of the sliding block, which is close to the inner wall of the sliding groove, is provided with an arc surface.

Through adopting above-mentioned technical scheme, the setting of arc surface can guarantee that the slider can not wear and tear the thin layer when sliding in the spout, conveniently seals the slip of switch.

The utility model discloses further set up to: the second seal assembly comprises a drawstring arranged on the outer package layer in a penetrating mode, one end of the drawstring extends out of the outer package layer, and the other end of the drawstring is fixedly connected to the seal switch.

Through adopting above-mentioned technical scheme, can drive when user pulling the rope-drawing and seal the switch and slide on the thin layer outer wall and then make and seal the switch and seal the processing to thin layer and inner packing layer once more, prevent that the vacuum cavity between thin layer and the inner packing layer from leaking gas easily, guarantee the vacuum packaging effect of wrapping bag.

To sum up, the utility model discloses following beneficial effect has: when the clothing passes through vacuum packaging bag packing and transportation, each layer wrapping bag overlaps together, and the clothing of inside packing is blockked in the extranal packing layer for first strong point and second strong point on each layer wrapping bag overlap together each other, prevent that adjacent wrapping bag from extrudeing each other and influencing inside clothing and being extruded the piece, and then can guarantee that the clothing need not consume longer time and handle the clothing when taking out from the wrapping bag.

Drawings

Fig. 1 is a schematic structural view of a film body, a first sealing assembly and a second sealing assembly of the present invention;

fig. 2 is a schematic structural diagram of the sealing switch of the present invention.

In the figure: 1. a packaging bag body; 2. an inner packaging layer; 3. a thin film layer; 4. an outer packaging layer; 5. a vacuum chamber; 6. a first seal assembly; 7. a second seal assembly; 8. a sealing switch; 9. a slider; 10. a first support point.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

A film for vacuum packaging, referring to figure 1, comprises a packaging bag body 1, an inner packaging layer 2, a film layer 3 and an outer packaging layer 4 are sequentially arranged on the packaging bag body 1 from inside to outside, the inner packaging layer 2 and the outer packaging layer 4 are plastic layers, the outer packaging layer 4 is sleeved on the outer sides of the inner packaging layer 2 and the thin film layer 3, the thin film layer 3 is sleeved on the outer side of the inner packaging layer 2, and be formed with vacuum cavity 5 between inner packaging layer 2 and the thin layer 3, be equipped with first seal subassembly 6 between inner packaging layer 2 and the thin layer 3, be equipped with second seal subassembly 7 between inner packaging layer 2 and the outer packaging layer 4, the one end bonding of outer packaging layer 4 is fixed with first strong point 10, the other end bonding is fixed with the second strong point, first strong point 10 and second strong point all set up on the four corners of outer packaging layer 4, first strong point 10 corresponds the setting with the second strong point.

Including the direct joint arch in 3 one sides of thin layer and set up the joint recess at 3 opposite sides of thin layer at first seal subassembly 6, and the joint is protruding to cooperate the block with the joint recess, all bonds on joint recess inner wall and the protruding outer wall of joint and is fixed with the sealed pad that is used for increasing joint arch and joint recess block stability.

Referring to fig. 2, the clamping protrusion protrudes from the film layer 3, the sealing switch 8 is arranged on the film layer 3, the sealing switch 8 is connected to the film layer 3 in a sliding mode, the sealing switch 8 is meshed with the clamping protrusion, the sealing switch 8 is clamped on the film layer 3, and the sealing switch 8 can be made of rubber materials with elastic restoring force.

The one end that sealing switch 8 is close to thin layer 3 is equipped with slider 9, and slider 9 salient in sealing switch 8 and with seal switch 8 integrated into one piece, and offer on thin layer 3 and supply the gliding spout of slider 9, the one end that is close to the spout inner wall at slider 9 is equipped with the arc surface, and second seal assembly 7 is including wearing to establish the drawstring on outer packaging layer 4, and outer packaging layer 4 is stretched out to the one end of drawstring, and the other end bonds on sealing switch 8.

The working principle is as follows: when the packaging bag body 1 is normally used, a product to be packaged is placed in the inner packaging layer 2, the thin film layer 3 and the outer packaging layer 4 are wrapped outside the inner packaging layer 2 at the moment, the product is inserted into the vacuum cavity 5 formed between the thin film layer 3 and the inner packaging layer 2 through the vacuum packaging machine, air in the vacuum cavity 5 is absorbed, so that the inner packaging layer 2 and the thin film layer 3 can be tightly wrapped on the outer wall of the product, the air between the product and the inner packaging layer 2 is gradually reduced, the product is in a vacuum packaging state at the moment, a user seals the inner packaging layer 2 and the thin film layer 3 through the first sealing assembly 6, the outer packaging layer 4 is sealed through the second sealing assembly 7, the product needs to be stacked together for transportation after being packaged, and the adjacent packaging bag bodies 1 are aligned between the first supporting point 10 and the second supporting point outside the outer packaging layer 4, make 1 lamination together of wrapping bag body, at the strong point of first strong point 10 and second strong point for wrapping bag body 1 is by the transportation in-process lamination together, and the product in the wrapping bag body 1 can not be extruded into the piece, and the user can not consume more time and handle just the use to the product when the product is taken out from inner packing layer 2, guarantees wrapping bag body 1's availability factor.

When needs seal vacuum cavity 5, the user can laminate the joint arch and the joint recess of first seal assembly 6 mutually for the joint is protruding to closely realize vacuum cavity 5's sealed, convenience of customers's operation with joint groove connection.

Sealing switch 8 makes sealing switch 8 closely connect on thin layer 3 with the protruding mesh of mutually of joint, and sealing switch 8 can drive the joint arch mesh mutually to the joint recess on 3 outer walls of thin layer, realizes thin layer 3 and inner packing layer 2's sealed.

Can drive slider 9 and slide in the spout on thin layer 3 when closing switch 8 slides on the outer wall of thin layer 3, and slider 9 inserts and prevents in the spout that closing switch 8 and thin layer 3 from taking off, and the setting of arc surface is established to the cover can guarantee that slider 9 can not wear and tear thin layer 3 when sliding in the spout, conveniently closes switch 8's slip.

Can drive when user pulling the stay cord and seal switch 8 and slide on 3 outer walls of thin layer and then make seal switch 8 seal processing to thin layer 3 and inner packing layer 2 once more, prevent that vacuum cavity 5 between thin layer 3 and the inner packing layer 2 from leaking gas easily, guarantee the vacuum packaging effect of wrapping bag.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A film for vacuum packaging, comprising a packaging bag body (1), characterized in that: wrapping bag body (1) from interior to exterior has set gradually inner packing layer (2), thin layer (3) and outer packing layer (4), be formed with vacuum cavity (5) between inner packing layer (2) and thin layer (3), be provided with first seal subassembly (6) between inner packing layer (2) and thin layer (3), be provided with the second between inner packing layer (2) and outer packing layer (4) and seal subassembly (7), the one end of outer packing layer (4) is provided with first strong point (10), and the other end is provided with the second strong point, first strong point (10) and second strong point all set up on the four corners of outer packing layer (4).

2. The film for vacuum packaging as claimed in claim 1, wherein: first seal subassembly (6) including set up at the protruding and setting of joint recess at thin layer (3) opposite side of joint of thin layer (3) one side, the protruding and joint recess cooperation block of joint.

3. The film for vacuum packaging as claimed in claim 2, wherein: sealing gaskets are arranged on the inner wall of the clamping groove and the outer wall of the clamping protrusion.

4. A film for vacuum packaging according to claim 3, wherein: protruding salient in thin layer (3) of joint, be provided with on thin layer (3) and seal switch (8), seal switch (8) sliding connection is on thin layer (3), and seals switch (8) and the protruding mesh of mutually engaging of joint.

5. The film for vacuum packaging as claimed in claim 4, wherein: the one end that seals switch (8) and be close to thin layer (3) is provided with slider (9), set up on thin layer (3) and supply gliding spout of slider (9).

6. The film for vacuum packaging as claimed in claim 5, wherein: and an arc surface is arranged at one end of the sliding block (9) close to the inner wall of the sliding groove.

7. The film for vacuum packaging as claimed in claim 6, wherein: the second sealing assembly (7) comprises a drawstring penetrating through the outer packaging layer (4), one end of the drawstring extends out of the outer packaging layer (4), and the other end of the drawstring is fixedly connected to the sealing switch (8).

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