CN218807652U

CN218807652U - Self-exhausting three-dimensional vacuum bag

Info

Publication number: CN218807652U
Application number: CN202222998915.9U
Authority: CN
Inventors: 郭双财
Original assignee: Suzhou Haoxin Packaging Materials Co ltd
Current assignee: Suzhou Haoxin Packaging Materials Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-07
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a three-dimensional vacuum bag of self-bleeding, including two first films, first film both sides all are fixed with the second film, first film both sides middle part all is provided with the third film, four sides of third film all are fixed with the fourth film, the third film passes through to be fixed between fourth film and the first film, and third film surface lower part and fourth film surface middle part all are fixed with the box, first film one side lower part and fourth film surface middle part are fixed with the son and detain, first film and second film lower extreme are provided with integrative first bag foot and second bag foot, the son is detained including the son and is detained the main part, the son is detained the main part middle part and is fixed with the slider, first recess has all been seted up to the slider both sides, and the slider both sides are provided with the bullet piece that corresponds with first groove position. The utility model discloses, the setting of third film and fourth film provides bigger space for the vacuum bag middle part, avoids article too much to lead to the condition that the explosion cracked to appear in the vacuum bag middle part.

Description

Self-exhausting three-dimensional vacuum bag

Technical Field

The utility model relates to a vacuum bag technical field specifically is a three-dimensional vacuum bag of self-bleeding.

Background

The vacuum bag, also known as a close-fitting moisture-proof bag, an aluminum foil bag and an aluminum-plastic composite bag, has good functions of static electricity prevention, oxygen isolation, shielding, moisture prevention and shading and excellent heat sealability, and is widely and generally used in the current social life.

In the prior art, in the use process of the self-exhausting three-dimensional vacuum bag, a plurality of places which are inconvenient to use often exist, for example, a Chinese patent with the publication number of CN204096326U discloses a multi-surface three-dimensional vacuum compression bag, and a bottom surface is additionally arranged on the front surface, the rear surface and the two side surfaces of the bag body to form five surfaces, so that the three-dimensional vacuum compression bag has a three-dimensional shape, the volume utilization rate of the vacuum bag is fully improved, the vacuum bag is unevenly stressed, particularly the middle part of the vacuum bag is greatly stressed, and the vacuum bag is easy to explode and crack.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from three-dimensional vacuum bag of exhaust to solve among the prior art vacuum bag atress uneven, especially the middle part receives bigger pressure more, takes place the problem of exploding easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-dimensional vacuum bag of self-bleeding, includes two first films, first film both sides all are fixed with the second film, first film both sides middle part all is provided with the third film, fourth film is all fixed with the fourth film in the four sides of third film, the third film passes through to be fixed between fourth film and the first film, and third film surface lower part and fourth film surface middle part all are fixed with the box, first film one side lower part and fourth film surface middle part are fixed with the son and detain.

Preferably, the lower ends of the first film and the second film are provided with a first bag leg and a second bag leg which are integrated.

Preferably, the son is buckled including the son and is detained the main part, the son is buckled main part middle part and is fixed with the slider, first recess has all been seted up to the slider both sides, and the slider both sides are provided with the bullet piece that corresponds with first recess position, one side that first recess was kept away from to the bullet piece sets up to the inclined plane, bullet piece central point puts and is fixed with the spring, the spring both ends are fixed respectively in the lower extreme of bullet piece and one side of first recess.

Preferably, a guide rod is sleeved in the spring, and a guide groove corresponding to the guide rod in position is formed in the sliding block.

Preferably, the box includes the box main part, the inside second recess of detaining the main part position and corresponding with the son of seting up of box main part, the first spout that corresponds with the slider position is seted up at box main part middle part, first spout upper end is provided with the second spout that corresponds with the bullet piece position, second spout both sides all are provided with the stripper plate, the box main part both sides have all passed the axle one end is fixed with the button, the axle other end is fixed with the stripper plate.

Preferably, one side of the first film is provided with a one-way valve, and the upper end of the first film is provided with an integrated sealing port.

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

1. in the utility model, the third film and the fourth film provide a larger space in the middle of the vacuum bag, so as to avoid the situation that the middle of the vacuum bag is cracked due to excessive articles;

2. in the utility model, when articles are put into the vacuum bag, the second film, the first bag leg and the second bag leg hopper are in an opening state, so that the storage space of the vacuum bag is enlarged;

3. the utility model discloses in, the setting of son knot and box realizes folding together between first bag foot, second bag foot and the third film, saves storage space, convenient storage.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a vacuum bag of the present invention;

fig. 2 is a schematic view of the utility model after being folded;

FIG. 3 is a schematic view of the internal structure of the sub-buckle of the present invention;

fig. 4 is a top view of the female buckle of the present invention;

fig. 5 is a schematic view of the internal structure of the female buckle of the present invention.

In the figure: 1. a first film; 2. a second film; 31. a third film; 32. a fourth film; 4. a sub-buckle; 41. a sub-buckle main body; 42. a slider; 43. a spring block; 44. a first groove; 45. a spring; 46. a guide bar; 47. a guide groove; 5. a female buckle; 51. a second groove; 52. a first chute; 53. a second chute; 54. a pressing plate; 55. a shaft; 56. a button; 57. a female buckle main body; 6. a one-way valve; 7. sealing the opening; 81. a first pocket leg; 82. the second bag leg.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a self-venting vacuum bag includes two first films 1, wherein two sides of each first film 1 are fixed with a second film 2, when an article is not stored, the lower ends of the first films 1 and the second films 2 are provided with a first bag leg 81 and a second bag leg 82, the second films 2, the first bag leg 81 and the second bag leg 82 can be folded, so as to save space, a check valve 6 is disposed on one side of each first film 1, the check valve 6 only allows gas to be discharged out of the vacuum bag, so as to achieve self-venting, an integrated sealing opening 7 is disposed at the upper end of each first film 1, and the sealing opening 7 is used for sealing the vacuum bag, so as to prevent air outside the bag from entering the bag through the sealing opening 7;

referring to fig. 1, the third film 31 is disposed in the middle of two sides of the first film 1, the fourth film 32 is fixed on four sides of the third film 31, the third film 31 is fixed to the first film 1 through the fourth film 32, and the third film 31 and the fourth film 32 are disposed to provide a larger space in the middle of the vacuum bag, thereby preventing the middle of the vacuum bag from being cracked due to excessive articles.

Referring to fig. 3, the sub-buckle 4 includes a sub-buckle main body 41, a slider 42 is fixed in the middle of the sub-buckle main body 41, first grooves 44 are formed in both sides of the slider 42, spring blocks 43 corresponding to the first grooves 44 are arranged on both sides of the slider 42, an inclined surface is arranged on one side of the spring block 43 away from the first grooves 44, when the slider 42 enters the female buckle 5, the spring 45 can be compressed without external force, a spring 45 is fixed in the center of the spring block 43, both ends of the spring 45 are respectively fixed at the lower end of the spring block 43 and one side of the first grooves 44, pressure is applied to the spring block 43 to compress the spring 45, the spring block 43 enters the first grooves 44, tension is applied to the sub-buckle main body 41, and the slider 42 slides out along the first sliding grooves 52;

referring to fig. 3, in order to enable the elastic block 43 to stably enter the first groove 44, a guide rod 46 is sleeved inside the spring 45, a guide groove 47 corresponding to the guide rod 46 is formed inside the slider 42, and the guide rod 46 is matched with the guide groove 47 to achieve stable movement of the elastic block 43.

Referring to fig. 4 and 5, the box 5 includes a box main body 57, a second groove 51 corresponding to the position of the sub-buckle main body 41 is formed in the box main body 57, when in use, the sub-buckle main body 41 completely enters the second groove 51, so that space is saved, a first sliding slot 52 corresponding to the position of the slider 42 is formed in the middle of the box main body 57, a second sliding slot 53 corresponding to the position of the spring block 43 is formed at the upper end of the first sliding slot 52, pressing plates 54 are respectively disposed at both sides of the second sliding slot 53, shafts 55 are respectively passed through both sides of the box main body 57, a button 56 is fixed at one end of each shaft 55, the other end of each shaft 55 is fixed to the corresponding pressing plate 54, the button 56 is pressed to drive the shafts 55 to move the two pressing plates 54, and the pressing plates 54 apply pressure to the spring block 43 to enable the spring block 43 to enter the first groove 44, so that the sub-buckle 4 is separated from the box 5.

Referring to fig. 1 and 2, in order to fold the first bag leg 81, the second bag leg 82, and the third film 31 together when the vacuum bag is not storing articles, thereby saving storage space and facilitating storage, the female fastener 5 is fixed on the lower portion of the outer surface of the third film 31 and the middle portion of the outer surface of the fourth film 32, and the male fastener 4 is fixed on the lower portion of one side of the first film 1 and the middle portion of the outer surface of the fourth film 32.

The utility model discloses a theory of operation and use flow:

when the vacuum bag opening device is used, the button 56 is pressed to drive the shaft 55 to move the two squeezing plates 54, the squeezing plates 54 apply pressure to the elastic block 43 to compress the spring 45, the guide rod 46 enters the guide groove 47, the elastic block 43 further enters the first groove 44 to apply tension to the sub-buckle main body 41, the sliding block 42 slides out along the first sliding groove 52, the sub-buckle 4 is separated from the female buckle 5, namely the third film 31 is separated from the first film 1 and the fourth films 32 on the two sides of the first film 1, the third film 31 and the fourth films 32 are arranged to provide a larger space for the middle of the vacuum bag, so that the middle of the vacuum bag is prevented from being cracked due to excessive articles, the sealing opening 7 is opened, articles are filled into the vacuum bag, the sealing opening 7 is sealed, the vacuum bag is squeezed, and gas in the bag is exhausted through the one-way valve 6;

when not depositing article, fold first bag foot 81, second bag foot 82, second film 2, fourth film 32, aim at box 5 with son knot 4, press the son knot 4, the inclined plane of bullet piece 43 gets into first spout 52 earlier, spring 45 is compressed, guide bar 46 gets into guide way 47, bullet piece 43 gets into first recess 44, when bullet piece 43 gets into second spout 53, bullet piece 43 no longer receives the extrusion, pop out by spring 45, son detain 4 and box 5 are stable to be merged, realize that first bag foot 81, second bag foot 82, can fold together between the third film 31, save storage space, convenient storage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An auto-exhaust three-dimensional vacuum bag, comprising two first films (1), wherein second films (2) are fixed on two sides of the first films (1), and the auto-exhaust three-dimensional vacuum bag is characterized in that: the novel plastic film is characterized in that third films (31) are arranged in the middle of two sides of the first film (1), fourth films (32) are fixed on four sides of each third film (31), the third films (31) are fixed with the first film (1) through the fourth films (32), female buckles (5) are fixed on the lower portion of the outer surface of each third film (31) and the middle of the outer surface of each fourth film (32), and male buckles (4) are fixed on the lower portion of one side of the first film (1) and the middle of the outer surface of each fourth film (32).

2. The self-evacuating vacuum bag as claimed in claim 1, wherein: the lower ends of the first film (1) and the second film (2) are provided with a first bag leg (81) and a second bag leg (82) which are integrated.

3. The self-evacuating vacuum bag as claimed in claim 1, wherein: the sub-buckle (4) comprises a sub-buckle main body (41), a sliding block (42) is fixed in the middle of the sub-buckle main body (41), first grooves (44) are formed in two sides of the sliding block (42), elastic blocks (43) corresponding to the first grooves (44) are arranged on two sides of the sliding block (42), one side, away from the first grooves (44), of each elastic block (43) is arranged to be an inclined plane, springs (45) are fixed at the center of each elastic block (43), and two ends of each spring (45) are fixed to one side of the first grooves (44) and the lower end of each elastic block (43) respectively.

4. The self-evacuating vacuum bag according to claim 3, wherein: the inside cover of spring (45) is equipped with guide bar (46), slider (42) inside is seted up with guide way (47) that guide bar (46) position corresponds.

5. The self-evacuating vacuum bag as claimed in claim 4, wherein: box (5) are including box main part (57), box main part (57) inside offer with the son buckle main part (41) second recess (51) that the position corresponds, box main part (57) middle part offer with slider (42) first spout (52) that the position corresponds, first spout (52) upper end is provided with second spout (53) that correspond with bullet piece (43) position, second spout (53) both sides all are provided with stripper plate (54), box main part (57) both sides have all passed axle (55) one end is fixed with button (56), axle (55) other end is fixed with stripper plate (54).

6. The self-evacuating vacuum bag as claimed in claim 1, wherein: one side of the first film (1) is provided with a one-way valve (6), and the upper end of the first film (1) is provided with an integrated sealing opening (7).