CN220975115U - Vacuum bag with vacuum pumping and uneasy air leakage and breakage - Google Patents
Vacuum bag with vacuum pumping and uneasy air leakage and breakage Download PDFInfo
- Publication number
- CN220975115U CN220975115U CN202322771541.1U CN202322771541U CN220975115U CN 220975115 U CN220975115 U CN 220975115U CN 202322771541 U CN202322771541 U CN 202322771541U CN 220975115 U CN220975115 U CN 220975115U
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- China
- Prior art keywords
- vacuum bag
- vacuum
- bag body
- film
- protective layer
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- 238000005086 pumping Methods 0.000 title description 7
- 239000010410 layer Substances 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 15
- 238000010030 laminating Methods 0.000 claims description 14
- 239000002313 adhesive film Substances 0.000 claims description 9
- 229920006122 polyamide resin Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 10
- 238000007493 shaping process Methods 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Packages (AREA)
Abstract
The utility model relates to the technical field of vacuum storage bags, and discloses a vacuum bag which is vacuumized and is not easy to leak and crack, the structure of the vacuum bag comprises a vacuum bag body, a variable protective layer and a bonding film, wherein the vacuum bag body comprises a printing film, the variable protective layer is arranged below the printing layer and is a hollow part, and the bonding film is bonded at the lower end of the variable protective layer and contacts with articles in the bag: through the variable protective layer that sets up in the vacuum bag body, specifically be when receiving outside extrusion force, the deformation piece of dislocation set can take place deformation in variable protective layer from top to bottom for the deformation piece at both ends can pile up each other, lets the bag body improve anti extrusion and puncture ability through the structure after the deformation piece pile from this, and in the through-hole that sets up in the gluing layer can more conduct external temperature into the bag body, prevent to lead to the problem of fog by inside and outside temperature difference because the cavity that is provided with variable protective layer in the bag body, in total in order to improve the resistance to compression of the bag body, anti puncture ability and also have antifog characteristics.
Description
Technical Field
The utility model relates to the technical field of vacuum storage bags, in particular to a vacuum bag which is vacuumized and is not easy to leak and crack.
Background
The vacuum bag is a bag which is naturally compressed by pumping air away to ensure that the atmospheric pressure is naturally compressed, is mainly used for filling cotton quilts and various clothes, and has the characteristics of moisture resistance, mildew resistance, moth resistance, odor resistance and the like after falling down to the ground and colliding with sharp objects.
The utility model discloses a vacuum bag membrane as CN218618180U in chinese patent literature, including vacuum bag membrane main part, first vacuum groove has all been seted up to the edge of vacuum bag membrane main part inner wall both sides, and the intermediate position of two first vacuum groove inner walls all block is equipped with the design piece, and the equal distance in both sides of two design piece outer walls is fixed and is equipped with a plurality of support bars, and the equal equidistance in one side of two design piece outer walls is left and is equipped with a plurality of first slow-punching holes. According to the vacuum bag film, if the vacuum bag film is placed in a low-temperature or high-temperature environment, the shaping sheet is arranged in the first vacuum groove in the vacuum bag film, and the shaping sheet is provided with the plurality of first buffer holes, so that the vacuum bag film has certain stretching buffer property when the phenomenon of thermal expansion and cold contraction occurs in the low-temperature or high-temperature environment, cracks are not easy to occur in the vacuum bag film, the bag film is finally damaged after long-term accumulation, and meanwhile, the shaping sheet plays a role in shaping the vacuum bag film under the support of the support bar, so that the practicability of the device is improved.
Based on the general use of vacuum compression bag in the past PE+PA material suppression bonding forms, the first vacuum groove that sets up in the above-mentioned bag membrane forms the I-shaped structure with the support bar, from this reduced the pliability of bag membrane when the roll-up, when the compression bag was evacuated easily, the membrane body can't closely laminate with holding the thing, influence the result of use and resistance to compression and puncture resistance of compression bag and weaken, and because the slotted hole between the membrane body is taken out in the time of the evacuation, when leaving air in the empty groove, because of with the difficult fog that forms of outside temperature, so need a vacuum bag that the difficult gas leakage of evacuation breaks urgently.
Disclosure of utility model
1. Technical problem to be solved by the utility model
Aiming at the problems in the prior art, the utility model aims to provide a vacuum bag which is vacuumized and is not easy to leak and crack, has the advantages of improving the puncture resistance and preventing fog formation caused by the temperature difference between the inside of a film and the outside, and solves the problems that fog formation is easy to occur due to the temperature difference and the toughness of the film is weak due to the arrangement of a hole groove in the film.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a vacuum bag that vacuum pumping is difficult for gas leakage and breaks, its structure is including sealing strip, vacuum bag body, pneumatic valve, and the vacuum bag body includes printing layer, locates the variable protective layer of the hollow part of printing layer below, laminating at the laminating membrane of variable protective layer lower extreme with bag interior article contact.
In this embodiment, the variable protective layer includes a glue film adhered to one end of the printing layer and the attaching film facing the center of the bag body, and a deformation sheet fixed on the glue film.
In this embodiment, the adhesive film surface is equally spaced with through holes that facilitate the conduction of external temperature into the interior.
Through the technical scheme, when the through hole is at the external high temperature, the variable protection layer is a hollow part, so that the fog phenomenon is easy to occur due to the difference between the internal temperature and the external temperature, the heat conduction of the internal environment and the external environment is facilitated through the through hole, and the fog is prevented.
In this embodiment, the deformation sheet is arranged in a vertically staggered manner and is a semicircular hollow structure.
Through above-mentioned technical scheme, when the deformation piece utilizes the structure to receive outside sharp object conflict at the vacuum bag body, because deformation piece position dislocation set from top to bottom, so when the atress, the deformation piece of upper end can receive the extrusion earlier and take place to warp to let the deformation piece of bottom warp thereupon, the deformation piece at upper and lower both ends can take place to pile up at this moment, utilizes the material to pile up and prevents that the vacuum bag body from being impaled with the structural strength who improves variable protective layer.
In this embodiment, the through hole and the deformation sheet are disposed vertically.
Through above-mentioned technical scheme, the through-hole sets up when outside high temperature for perpendicular with the deformation piece, lets the deformation piece can contact ambient temperature in the first time through the conduction of through-hole, reduces the material strength of deformation piece in order to improve its deformability through the rise of temperature, better takes place deformation when the atress.
In this embodiment, the laminating film is made of a polyamide resin material, and the laminating performance of the laminating film and the content is improved by using the higher gluing performance of the laminating film.
Through above-mentioned technical scheme, laminating membrane is when holding the chamber by the evacuation in inside, because laminating membrane adopts polyamide resin material, holds the chamber and after the complete vacuum, the vacuum bag can take place to curl, improves the laminating nature with holding the thing through polyamide resin material from this.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that: according to the vacuum bag with the vacuum pumping and the airtight breakage resistance, the variable protection layer is arranged in the vacuum bag body, particularly, when the external extrusion force is received, the deformation sheets which are arranged in the variable protection layer in a vertical dislocation mode deform, so that the deformation sheets at the two ends can be mutually stacked, the bag body can improve the extrusion resistance and the puncture resistance through the structure after the deformation sheets are stacked, the through holes arranged in the adhesive layer can conduct the external temperature into the bag body, the problem that mist is formed due to the fact that the internal temperature and the external temperature are different due to the fact that the hollow part of the variable protection layer is arranged in the bag body is solved, and the compression resistance and the puncture resistance of the bag body are improved.
Drawings
FIG. 1 is a schematic view of a vacuum bag with a vacuum-pumping function and a gas-tight and breakage-proof structure;
FIG. 2 is a schematic view of the vacuum bag component material structure of the present utility model;
FIG. 3 is a schematic view of the structure A in FIG. 2;
FIG. 4 is a schematic diagram of a structure of the variable passivation layer stack according to the present utility model;
Fig. 5 is a schematic structural view of the adhesive layer of the present utility model.
Reference numerals in the drawings: the vacuum bag comprises a sealing strip-1, a vacuum bag body-2, an air valve-3, a printing layer-33, a variable protective layer-31, an attaching film-35, an adhesive film-40, a deformation sheet-43 and a through hole-71.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-5, a vacuum bag with vacuum pumping and less prone to leakage and breakage is structurally characterized by comprising a sealing strip 1, a vacuum bag body 2 and an air valve 3, wherein the vacuum bag body 2 comprises a printing layer 33, a variable protection layer 31 arranged in a hollow part below the printing layer 33, and a bonding film 35 bonded at the lower end of the variable protection layer 31 and contacted with articles in the bag.
In this embodiment, the variable protective layer 31 includes an adhesive film 40 adhered to the printed layer 33 and the adhesive film 33 at one end facing the center of the bag body, and a deformation sheet 43 fixed on the adhesive film 40.
In the present embodiment, the adhesive film 40 has through holes 71 at equal intervals on the surface thereof for facilitating the conduction of external temperature into the inside.
Since the variable protection layer 31 is hollow at a high temperature outside the through hole 71, the occurrence of fogging is easily caused by a difference between the inside and outside temperatures, and thus the heat conduction between the inside and outside environments is facilitated by the through hole 71, and fogging is prevented.
In this embodiment, the deformation sheet 43 is arranged in a vertically staggered manner and is a semicircular hollow structure.
When the deformation sheet 43 is pressed against the vacuum bag body 2 by the external sharp object, the deformation sheet 43 is arranged in a vertically staggered manner, so that the deformation sheet 43 at the upper end is extruded to deform when being stressed, the deformation sheet 43 at the bottom end is deformed, the deformation sheets 43 at the upper end and the lower end are stacked, and the structural strength of the variable protection layer 31 is improved by material stacking to prevent the vacuum bag body 2 from being pierced.
In the present embodiment, the through hole 71 is disposed perpendicularly to the deformation sheet 43.
The through hole 71 and the deformation sheet 43 are vertically arranged at an external high temperature, and at the same time, the deformation sheet 43 can be contacted with an external temperature at the first time through the conduction of the through hole 71, and the deformation capability of the deformation sheet 43 is improved by reducing the material strength of the deformation sheet 43 through the temperature rise, and the deformation can be generated when the deformation sheet is stressed.
In this embodiment, the attaching film 35 is made of a polyamide resin material, and the attaching performance with the content is improved by using the higher gluing performance.
When the inner accommodating cavity of the attaching film 35 is vacuumized, the attaching film 35 is made of polyamide resin material, and after the accommodating cavity is completely vacuumized, the vacuum bag body 2 is curled, so that the attaching property with the accommodating object is improved through the polyamide resin material.
When the vacuum bag body 2 receives the force applied by the external sharp object, the deformation sheets 43 arranged in a vertically staggered manner are deformed, and then the deformation sheets 43 at the upper end and the lower end are stacked, so that the structural strength of the variable protection layer 31 is improved through the material strength of the deformation sheets 43, the sharp object is not easy to pierce the vacuum bag body 2, the through holes 71 arranged on the adhesive film 40 are perpendicular to the deformation sheets 43, the deformation sheets 43 are contacted with a heat source in advance through the through holes 71 at the external high temperature, the deformation can be more efficiently caused by reducing the material strength of the deformation sheets 43 through the high temperature, and the hollow variable protection layer 31 can be reduced from the external environment temperature difference through heat conduction due to the arrangement of the through holes 71, so that the fog on the outer surface is prevented.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a vacuum bag that difficult gas leakage of evacuation breaks, its structure includes sealing strip (1), vacuum bag body (2), pneumatic valve (3), its characterized in that: the vacuum bag body (2) comprises a printing layer (33), a variable protection layer (31) arranged at a hollow part below the printing layer (33), and an attaching film (35) attached to the lower end of the variable protection layer (31) and contacted with articles in the bag.
2. A vacuum bag for evacuating and air-tight breakage according to claim 1, wherein: the variable protective layer (31) comprises an adhesive film (40) which is adhered to one end of the printing layer (33) and the laminating film (35) towards the center of the bag body, and a deformation sheet (43) which is fixed on the adhesive film (40).
3. A vacuum bag for evacuating and air-tight breakage according to claim 2, wherein: and through holes (71) which are beneficial to the external temperature conduction into the interior are formed on the surface of the adhesive film (40) at equal intervals.
4. A vacuum bag for evacuating and air-tight breakage according to claim 2, wherein: the deformation sheet (43) is arranged in a vertically staggered mode and is of a semicircular hollow structure.
5. A vacuum bag which is vacuum-evacuated and resistant to leakage and breakage, as claimed in claim 3, wherein: the through holes (71) are arranged vertically to the deformation sheet (43).
6. A vacuum bag for evacuating and air-tight breakage according to claim 1, wherein: the laminating film (35) is made of polyamide resin material, and the laminating performance of the laminating film and the contained objects is improved by utilizing the higher gluing performance of the laminating film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322771541.1U CN220975115U (en) | 2023-10-17 | 2023-10-17 | Vacuum bag with vacuum pumping and uneasy air leakage and breakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322771541.1U CN220975115U (en) | 2023-10-17 | 2023-10-17 | Vacuum bag with vacuum pumping and uneasy air leakage and breakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220975115U true CN220975115U (en) | 2024-05-17 |
Family
ID=91062315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322771541.1U Active CN220975115U (en) | 2023-10-17 | 2023-10-17 | Vacuum bag with vacuum pumping and uneasy air leakage and breakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220975115U (en) |
-
2023
- 2023-10-17 CN CN202322771541.1U patent/CN220975115U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |