Damp-proof plastic packaging bag with sealing structure

Abstract

A moisture-proof plastic packaging bag with a sealing structure relates to the technical field of packaging bags and is characterized in that track strips are fixedly arranged on the left side and the right side of the front outer side wall and the rear outer side wall of a bag body respectively, clamping plates movably abut against the front side and the rear side of the bag body respectively, and movable grooves matched with the track strips are formed in the clamping plates; secondary buckles are fixedly arranged on the left side and the right side of the front side wall of the clamping plate on the rear side, the primary buckle is matched with the four secondary buckles, the primary buckle is fixedly arranged on the rear side wall of the clamping plate on the front side, and a limiting mechanism is arranged on the clamping plate on the lower side, so that multiple sealing of the packaging bag can be achieved, and the sealing and moisture-proof performance is improved; and redundant air in the storage box can be conveniently exhausted, and the phenomenon that stored articles are affected with damp is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bags, in particular to a moisture-proof plastic packaging bag with a sealing structure. Background Art

[0002] A packaging bag is a bag used to package various items, making it convenient to transport goods during the production and circulation process. Many existing packaging bags are sealed with self-sealing strips at their openings. Although they are convenient to use, there is still a lot of excess air inside the packaging bag, which will cause the stored items to become damp. Moreover, only a single seal with a self-sealing strip cannot make the packaging bag have good sealing and moisture-proof performance. Therefore, there is an urgent need for a moisture-proof plastic packaging bag with a sealing structure. Utility Model Content

[0003] The purpose of the utility model is to address the defects and shortcomings of the existing technology and provide a moisture-proof plastic packaging bag with a rational design and a sealing structure to solve the above problems.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it comprises a bag body and a self-sealing strip, wherein the self-sealing strips are fixedly provided on both the front and rear sides of the inner wall of the bag opening, and the two self-sealing strips are provided in coordination with each other;

[0005] It also contains:

[0006] Track bars, there are four of them, which are fixedly arranged on the left and right sides of the front and rear outer walls of the bag body;

[0007] There are four clamping plates, which are movably arranged on the front and rear sides of the bag body. The clamping plates are provided with movable grooves that match the track bars. Buckles are fixed on the left and right sides of the front side wall of the rear clamping plate.

[0008] There are four female buckles, which are respectively matched with four sub-buckles, and the female buckles are fixedly set on the rear side wall of the front clamping plate, and a limiting mechanism is provided on the lower clamping plate.

[0009] Furthermore, the limiting mechanism includes:

[0010] There are two rotating rods, which are respectively inserted into the left and right sides of the inner side of the clamping plate below the front side through bearings. A torsion spring is provided on the movable sleeve of the rotating rod, and the two ends of the torsion spring are respectively connected to the rotating rod and the inner wall of the clamping plate;

[0011] There are two limit frames, which are fixedly arranged at the front ends of the two rotating rods respectively. The left and right sides of the clamping plate at the lower rear side are both provided with card slots, and the limit frames are carded in the card slots.

[0012] Furthermore, rubber pads are fixedly provided on the opposite side walls of the two lower clamping plates, and the rubber pads are arranged to contact the bag body.

[0013] Furthermore, limit blocks are fixedly provided at both upper and lower ends of the track bar, and the limit blocks are matched with and abutted against the clamping plates.

[0014] Furthermore, anti-slip grooves are provided on the opposite side walls of the two upper clamping plates.

[0015] Compared with the prior art, the beneficial effect of the present invention is that the moisture-proof plastic packaging bag with a sealing structure described in the present invention can not only achieve multiple sealing of the packaging bag and improve the sealing and moisture-proof performance, but also facilitate the discharge of excess air inside the bag, further reducing the moisture of the stored items. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] Figure 2 It is a structural diagram of the neutron buckle and the female buckle of the utility model.

[0018] Figure 3 It is a cross-sectional view of the clamping plate in the present utility model.

[0019] Figure 4 yes Figure 3 Enlarged view of part A in .

[0020] Description of reference numerals:

[0021] Bag body 1, self-sealing strip 2, track strip 3, clamping plate 4, anti-slip pattern 5, sub-buckle 6, female buckle 7, limiting mechanism 8, rotating rod 8-1, torsion spring 8-2, limiting frame 8-3, card slot 8-4, rubber pad 9, limiting block 10. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0023] like Figure 1-Figure 4 As shown, this specific embodiment adopts the following technical solution: it comprises a bag body 1 and a self-sealing strip 2, the front and back sides of the inner wall of the bag body opening are fixedly provided with self-sealing strips 2, and the two self-sealing strips 2 are matched with each other;

[0024] It also contains:

[0025] Track bars 3, there are four of them, which are fixedly arranged on the left and right sides of the front and rear outer walls of the bag body 1 respectively. The track bars 3 are made of flexible plastic material and can produce corresponding deformation along with the bag body 1;

[0026] The cam 6 of the rear end of the bag 1 is fixed on the left and right sides of the front wall of the bag 1, and the cam 6 of the rear end of the bag 1 is fixed on the right and left sides of the front wall of the bag 1. The cam 6 of the rear end of the bag 1 is fixed on the right and left sides of the front wall of the bag 1. The cam 6 of the rear end of the bag 1 is fixed on the right and left sides of the front wall of the bag 1. The cam 6 of the rear end of the bag 1 is fixed on the right and left sides of the front wall of the bag 1. The cam 6 of the rear end of the bag 1 is fixed on the right and left sides of the front wall of the bag 1. The cam 6 of the rear end of the bag 1 is fixed on the right and left sides of the front wall of the bag 1

[0027] Female buckles 7, there are four female buckles 7, which are respectively matched with four sub-buckles 6, and the female buckles 7 are fixedly set on the rear side wall of the front clamping plate 4. A limiting mechanism 8 is provided on the lower clamping plate 4. Rubber pads 9 are fixedly provided on the opposite side walls of the two lower clamping plates 4. The rubber pads 9 are set in contact with the bag body 1. When the two lower clamping plates 4 clamp and seal the bag body 1, a large friction force is generated between the rubber pads 9 and the bag body 1 to prevent the lower clamping plates 4 from moving freely on the bag body 1;

[0028] The limiting mechanism 8 includes:

[0029] Rotating rods 8-1, there are two rotating rods 8-1, which are respectively inserted into the left and right sides of the interior of the front lower clamping plate 4 through bearings. A torsion spring 8-2 is movably sleeved on the rotating rod 8-1, and the two ends of the torsion spring 8-2 are respectively connected to the rotating rod 8-1 and the inner wall of the clamping plate 4;

[0030] There are two limit frames 8-3, which are fixedly arranged at the front ends of the two rotating rods 8-1 respectively. Slots 8-4 are provided on the left and right sides of the rear lower clamping plate 4, and the limit frames 8-3 are clamped in the slots 8-4.

[0031] When using the present invention, after placing the article in the bag body 1, move the lower clamping plate 4 so that the lower clamping plate 4 is located above the article, then move the two lower clamping plates 4 closer to each other in the opposite direction, and rotate the limit frame 8-3 upward to a vertical state and align it with the card slot 8-4, the limit frame 8-3 drives the rotating rod 8-1 to rotate to twist the torsion spring 8-2, and then the two lower clamping plates 4 are connected with the female buckle 7 through the corresponding front and rear sub-buckles 6 to achieve the clamping and sealing of the bag body 1, and the limit frame 8-3 contacts the card slot 8-4, then release the limit frame 8-3, and the torsion spring 8-2 resets the belt The movable rotating rod 8-1 rotates in the opposite direction, and the rotating rod 8-1 drives the limiting frame 8-3 to rotate to a horizontal state. At this time, when the two clamping plates 4 at the bottom are pulled in opposite directions, the influence of the limiting frame 8-3 can prevent the lower clamping plate 4 from being separated from the clamping state on the bag body 1. Then, the upper clamping plate 4 is moved above the lower clamping plate 4, and the two upper clamping plates 4 are moved closer in relative directions, and connected with the female buckle 7 through the sub-buckle 6. Then, the upper clamping plate 4 is moved upward to discharge the air above the article in the bag body 1. Finally, the opening of the bag body 1 can be sealed with the self-sealing strip 2.

[0032] Compared with the prior art, the beneficial effects of the present invention are:

[0033] The cooperation of the track bar 3, the clamping plate 4, the male buckle 6 and the female buckle 7 can not only realize multiple sealing of the bag body 1 and improve the sealing and moisture-proof performance, but also facilitate the discharge of excess air inside the bag body 1, further reducing the moisture of the stored items;

[0034] Through the cooperation of the limiting mechanism 8, the limiting of the two lower clamping plates 4 in the connected state can be achieved, thereby preventing the connection state of the two lower clamping plates 4 from being easily separated.

[0035] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A moisture-proof plastic packaging bag with a sealing structure, comprising a bag body (1) and a self-sealing strip (2), wherein the self-sealing strips (2) are fixedly provided on both the front and rear sides of the inner wall of the opening of the bag body (1), and the two self-sealing strips (2) are provided in coordination with each other; Its characteristics are: It also contains: Track bars (3), the number of the track bars (3) being four, and being fixedly arranged on the left and right sides of the front and rear outer side walls of the bag body (1); Clamping plates (4), the clamping plates (4) are four in number and are movably arranged on the front and rear sides of the bag body (1), respectively. The clamping plates (4) are provided with movable grooves that match the track bars (3), and buckles (6) are fixedly arranged on the left and right sides of the front side wall of the rear clamping plate (4); There are four female buckles (7), each of which is matched with the four sub-buckles (6). The female buckles (7) are fixed on the rear side wall of the front clamping plate (4), and a limiting mechanism (8) is provided on the lower clamping plate (4).

2. The moisture-proof plastic packaging bag with a sealing structure according to claim 1, characterized in that: The limiting mechanism (8) comprises: Rotating rods (8-1), the rotating rods (8-1) are two and are respectively rotatably inserted into the left and right sides of the interior of the front lower clamping plate (4) through bearings. A torsion spring (8-2) is movably sleeved on the rotating rod (8-1), and the two ends of the torsion spring (8-2) are respectively connected to the rotating rod (8-1) and the inner wall of the clamping plate (4); There are two limit frames (8-3), which are respectively fixedly arranged at the front ends of the two rotating rods (8-1); the left and right sides of the rear lower clamping plate (4) are both provided with card slots (8-4), and the limit frames (8-3) are card slots (8-4).

3. The moisture-proof plastic packaging bag with a sealing structure according to claim 1, characterized in that: Rubber pads (9) are fixedly arranged on the opposite side walls of the two lower clamping plates (4), and the rubber pads (9) are arranged to contact the bag body (1).

4. The moisture-proof plastic packaging bag with a sealing structure according to claim 1, characterized in that: Limit blocks (10) are fixedly provided at both upper and lower ends of the track bar (3), and the limit blocks (10) are arranged to cooperate with and abut against the clamping plate (4).

5. The moisture-proof plastic packaging bag with a sealing structure according to claim 1, characterized in that: Anti-slip grooves (5) are provided on the opposite side walls of the two upper clamping plates (4).

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