Vacuum packaging bag with buffer space

Abstract

The utility model relates to a vacuum packaging bag with a buffer space, which comprises a packaging bag body, a protective bag is fixed on the outer side of the packaging bag body, the outer side of the packaging bag body is communicated with a vacuumizing pipe, the outer side of the protective bag is communicated with a material passing pipe, and the material passing pipe is communicated with a vacuum pump. The vacuumizing pipe and the material passing pipe are each provided with a sealing mechanism used for preventing leakage, and the packaging bag body is provided with a sealing mechanism facilitating sealing of the packaging bag. According to the vacuum packaging bag with the buffering space, through cooperation of the material passing pipe, a buffering medium can be introduced into the protection bag, so that the outer side of the packaging bag is covered with the buffering medium, the buffering medium can protect the packaging bag, and through cooperation of the protection bag and the buffering medium, when the packaging bag falls to the ground, the buffering medium is prevented from falling off. The protection bag and the buffer medium absorb energy generated by collision with the ground, impact force borne by the packaging bag and objects stored in the packaging bag is reduced, and therefore the stored objects can be effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bags, in particular to a vacuum packaging bag with a buffer space. Background Art

[0002] Vacuum bags, also known as reduced-pressure packaging, are made by extracting all the air from the packaging container and sealing it, maintaining the bag in a highly reduced-pressure state. The scarce air is equivalent to the low-oxygen effect, which deprives microorganisms of the living conditions, so as to keep the fruit fresh and free of disease and rot. Applications include vacuum packaging in plastic bags, aluminum foil packaging, glassware packaging, etc., and the packaging material can be selected according to the type of item.

[0003] For example, a vacuum packaging bag is disclosed in the Chinese utility model patent publication number (CN205770852U), which includes a vacuum packaging bag body, one side of the vacuum packaging bag body is a thick film, and the other side is a thin film, one side of the thin film is provided with three roll marks, and the three roll marks form a U shape. This utility model solves the problem that the currently used vacuum packaging bags need to be torn from the serrated openings on the edge of the packaging bag when opening, and the torn part is often triangular, and the packaging bag cannot be completely opened and things cannot be taken out therefrom, which brings inconvenience to the user. However, in this patent, after the inside of the packaging bag is vacuumed, the outer layer of the packaging bag lacks a buffer structure. If the packaging bag is dropped when being taken out, it is easy to break the objects inside the packaging bag, and it may even cause the packaging bag to rupture, affecting practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a vacuum packaging bag with a buffer space, which has the advantage of having a buffering property for the vacuum packaging bag. It solves the problem in the patent that after the inside of the packaging bag is vacuumed, the outer layer of the packaging bag lacks a buffer structure. If the packaging bag is dropped when being taken out, it is easy to break the objects inside the packaging bag, and it may even cause the packaging bag to rupture, affecting the practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum packaging bag with a buffer space, comprising a packaging bag body, a protective bag fixed to the outside of the packaging bag body, a vacuum tube connected to the outside of the packaging bag body, a material passing pipe connected to the outside of the protective bag, a sealing mechanism for preventing leakage is provided on the vacuum tube and the material passing pipe, and a sealing mechanism for facilitating sealing of the packaging bag is provided on the packaging bag body;

[0006] The sealing mechanism includes a mounting block, which is fixed to the outer side of the vacuum tube. A threaded rod is threadedly connected to the upper surface of the mounting block. A turning handle is fixed to the top of the threaded rod. The bottom end of the threaded rod passes through and extends to the interior of the mounting block and is rotatably connected to a sealing rubber block through a bearing.

[0007] Furthermore, a connection port is provided on the upper surface of the protective bag, and the length and width of the connection port are respectively matched with the length and width of the packaging bag body.

[0008] Furthermore, the inner diameter and outer diameter of the vacuum tube are respectively matched with the inner diameter and outer diameter of the feed tube.

[0009] Furthermore, the bottom of the sealing rubber block is arc-shaped, and the outer diameter of the arc is matched with the inner diameter of the vacuum tube.

[0010] Furthermore, the height of the sealing rubber block is greater than the inner diameter of the vacuum tube, and the length and width of the sealing rubber block are respectively matched with the length and width of the mounting block.

[0011] Furthermore, the sealing mechanism comprises a seal, which is fixed to the upper surface of the protective bag, a sliding buckle is slidably connected to the outer side of the seal, and a limiting block is fixed to the right side of the seal.

[0012] Furthermore, the number of the limit blocks is two, and they are symmetrically distributed about the central axis of the protective bag.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The vacuum packaging bag with a buffer space can pass the buffer medium into the protective bag through the cooperation of the feeding pipe, so that the buffer medium covers the outside of the packaging bag, so that the buffer medium can protect the packaging bag. Through the cooperation of the protective bag and the buffer medium, when it falls to the ground, the protective bag and the buffer medium will absorb the energy generated by the collision with the ground, reducing the impact force on the packaging bag and the items stored inside, so as to effectively protect the stored objects.

[0015] 2. The vacuum packaging bag with a buffer space can connect the output end of the vacuum pump with the vacuum tube through the cooperation of the vacuum tube, so as to facilitate the vacuum treatment of the inside of the packaging bag. After the vacuuming work is completed, the threaded rod can be driven to rotate through the cooperation of the handle, thereby driving the threaded rod to move. The movement of the threaded rod can drive the sealing rubber block to move, so that the vacuum tube can be sealed before the vacuum pump is removed, so that the packaging bag can maintain a vacuum state. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the closing mechanism of the utility model;

[0018] Figure 3 It is a side view of the closing mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the sealing mechanism of the utility model.

[0020] In the figure: 1 packaging bag body, 2 protective bag, 3 vacuum tube, 4 material feeding tube, 5 closing mechanism, 501 mounting block, 502 threaded rod, 503 handle, 504 sealing rubber block, 6 sealing mechanism, 601 sealing strip, 602 sliding buckle, 603 limiting block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 In the present embodiment, a vacuum packaging bag with a buffer space comprises a packaging bag body 1, a protective bag 2 is fixed on the outside of the packaging bag body 1, a vacuum tube 3 is connected to the outside of the packaging bag body 1, and a feeding tube 4 is connected to the outside of the protective bag 2. A buffer medium can be injected into the protective bag 2 through the feeding tube 4, so that the buffer medium completely wraps the packaging bag body 1. When falling, the protective bag 2 and the buffer medium can effectively absorb the energy generated by the collision, reduce the impact force on the stored items, and avoid damage to the stored items. A sealing mechanism 5 for preventing leakage is provided on the vacuum tube 3 and the feeding tube 4, which can seal the pipeline in advance and prevent leakage of external air or internal filling medium during the process of vacuuming and feeding. A sealing mechanism 6 for sealing the packaging bag is provided on the packaging bag body 1, which is convenient for opening and closing the packaging bag and convenient for taking out the stored items.

[0023] Among them, a connecting port is opened on the upper surface of the protective bag 2, and the length and width of the connecting port are respectively adapted to the length and width of the packaging bag body 1, so that the protective bag 2 completely wraps and protects the outside of the packaging bag body 1, and the inner diameter and outer diameter of the vacuum tube 3 are respectively adapted to the inner diameter and outer diameter of the feed tube 4.

[0024] See also Figure 2-3In order to seal the pipeline in advance and prevent leakage of external air or the medium filled inside during the process of vacuuming and passing materials, the sealing mechanism 5 in this embodiment includes a mounting block 501, which is fixed to the outer side of the vacuum tube 3. The upper surface of the mounting block 501 is threadedly connected with a threaded rod 502, and a turning handle 503 is fixed to the top of the threaded rod 502. The turning handle 503 drives the threaded rod 502 to rotate, so that the threaded rod 502 moves on the mounting block 501, and the bottom end of the threaded rod 502 penetrates and extends to the mounting block 501. The sealing rubber block 504 is rotatably connected to the inside of the packaging bag body 1 through the bearing. The threaded rod 502 drives the sealing rubber block 504 to move, so that the vacuum tube 3 is opened and the vacuum pump is controlled to operate, so that the inside of the packaging bag body 1 can be vacuumed. After the vacuuming work is completed, the handle 503 is first rotated in the opposite direction to control the sealing rubber block 504 to move back into the vacuum tube 3, so that the vacuum tube 3 is re-sealed, and then the vacuum pump is removed, thereby preventing air from entering the packaging bag body 1 when the vacuum pump is removed, thereby affecting the vacuum environment inside the packaging bag body 1.

[0025] In this example, the bottom of the sealing rubber block 504 is arc-shaped, and the outer diameter of the arc is adapted to the inner diameter of the vacuum tube 3, so that the sealing rubber block 504 can completely fit with the tube wall of the vacuum tube 3, the height of the sealing rubber block 504 is greater than the inner diameter of the vacuum tube 3, and the length and width of the sealing rubber block 504 are adapted to the length and width of the mounting block 501 respectively, so that when the sealing rubber block 504 moves, the mounting block 501 can limit the angle of the sealing rubber block 504.

[0026] See also Figure 4 In order to facilitate opening and closing of the packaging bag and to facilitate taking out the stored items, the sealing mechanism 6 in this embodiment includes a seal 601, which is fixed to the upper surface of the protective bag 2. The outer side of the seal 601 is slidably connected with a slider 602. By sliding the slider 602, the seal 601 can be opened to open the bag mouth of the packaging bag body 1, thereby facilitating the storage and removal of items. A limiting block 603 is fixed on the right side of the seal 601.

[0027] In this example, there are two limit blocks 603 , which are symmetrically distributed about the central axis of the protective bag 2 , so as to limit the moving track of the slider 602 and prevent the slider 602 from being separated from the seal 601 .

[0028] The working principle of the above embodiment is:

[0029] (1) First, the seal 601 can be opened by sliding the slider 602, so that the bag mouth of the packaging bag body 1 is opened, and the items to be stored are placed inside the packaging bag body 1. Then, the slider 602 is slid in the opposite direction to close the seal 601. At this time, the packaging bag body 1 is in a closed state. The output end of the vacuum pump is connected to the vacuum tube 3. Then, the handle 503 on the vacuum tube 3 is turned. The rotation of the handle 503 drives the threaded rod 502 to rotate, so that the threaded rod 502 moves on the mounting block 501. The threaded rod 502 drives the sealing rubber block 504 to move, so that the vacuum tube 3 is opened. The vacuum pump is controlled to operate, and the interior of the packaging bag body 1 can be vacuumed.

[0030] (2) After completing the vacuuming work, first turn the handle 503 in the opposite direction to control the sealing rubber block 504 to move back into the vacuum tube 3 so that the vacuum tube 3 is re-sealed, and then remove the vacuum pump to prevent air from entering the packaging bag body 1 when the vacuum pump is removed, thereby affecting the vacuum environment inside the packaging bag body 1. Then turn the handle 503 on the feeding tube 4 to open the feeding tube 4, and inject the buffer medium into the protective bag 2 until the buffer medium completely wraps the packaging bag body 1. Then close the feeding tube 4. In this way, when the packaging bag falls, the protective bag 2 and the buffer medium can effectively absorb the energy generated by the collision, reduce the impact force on the stored items, and avoid damage to the stored items.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A vacuum packaging bag with a buffer space, comprising a packaging bag body (1), characterized in that: A protective bag (2) is fixed to the outside of the packaging bag body (1), a vacuum tube (3) is connected to the outside of the packaging bag body (1), a material passage tube (4) is connected to the outside of the protective bag (2), a sealing mechanism (5) for preventing leakage is provided on both the vacuum tube (3) and the material passage tube (4), and a sealing mechanism (6) for facilitating sealing of the packaging bag is provided on the packaging bag body (1); The sealing mechanism (5) comprises a mounting block (501), wherein the mounting block (501) is fixed to the outer side of the vacuum tube (3), a threaded rod (502) is threadedly connected to the upper surface of the mounting block (501), a turning handle (503) is fixed to the top of the threaded rod (502), and the bottom end of the threaded rod (502) passes through and extends to the inside of the mounting block (501), and is rotatably connected to a sealing rubber block (504) via a bearing.

2. A vacuum packaging bag with a buffer space according to claim 1, characterized in that: The upper surface of the protective bag (2) is provided with a connection port, and the length and width of the connection port are respectively adapted to the length and width of the packaging bag body (1).

3. The vacuum packaging bag with a buffer space according to claim 1, characterized in that: The inner diameter and outer diameter of the vacuum tube (3) are respectively matched with the inner diameter and outer diameter of the feed tube (4).

4. The vacuum packaging bag with a buffer space according to claim 1, characterized in that: The bottom of the sealing rubber block (504) is arc-shaped, and the outer diameter of the arc is matched with the inner diameter of the vacuum tube (3).

5. The vacuum packaging bag with a buffer space according to claim 1, characterized in that: The height of the sealing rubber block (504) is greater than the inner diameter of the vacuum tube (3), and the length and width of the sealing rubber block (504) are respectively matched to the length and width of the mounting block (501).

6. The vacuum packaging bag with a buffer space according to claim 1, characterized in that: The sealing mechanism (6) comprises a seal (601), the seal (601) is fixed to the upper surface of the protective bag (2), the outer side of the seal (601) is slidably connected with a sliding buckle (602), and a limiting block (603) is fixed on the right side of the seal (601).

7. The vacuum packaging bag with a buffer space according to claim 6, characterized in that: The number of the limit blocks (603) is two, and they are symmetrically distributed about the central axis of the protective bag (2).

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