Packaging bag with waterproof function

Abstract

The utility model discloses a packaging bag with a waterproof function, relates to the field of packaging bags, and aims to solve the problems that water easily enters from a bag opening and the waterproof effect is poorer due to the fact that most of existing packaging bags are waterproof by adding a waterproof layer on a main body but the bag opening is not provided with a waterproof mechanism in the prior art. An L-shaped inserting strip is fixedly connected to the upper end of the middle of the end face of one side of the waterproof packaging bag, L-shaped clamping parts are fixedly connected to the upper end and the lower end of the middle of the inner side wall of the L-shaped inserting strip, a rectangular inserting strip base is fixedly connected to the upper end of the middle of the end face of the other side of the waterproof packaging bag, and an inserting opening is formed in the end face of the inner side of the rectangular inserting strip base. A rectangular limiting groove is formed in the rectangular inserting strip base, the front end and the rear end of the upper end of the middle of the end face of the two sides of the waterproof packaging bag are fixedly connected with semicircular connecting caps, and a pull rope is jointly and fixedly connected between the two semicircular connecting caps on the two sides of the waterproof packaging bag.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packing bag, specifically is a packing bag with waterproof effect. BACKGROUND

[0002] The packing bag is a bag for packing various articles, which facilitates transportation and storage in the production and circulation process. It is widely used in daily life and industrial production. The plastic packing bag includes a plastic woven bag and a plastic film bag. The former has the characteristics of light weight, high strength, corrosion resistance, etc. After adding a plastic film lining, it can prevent moisture and humidity. The plastic woven bag is made of polypropylene and polyethylene. According to the sewing method, it is divided into a bottom-sewn bag and a bottom-sewn bag with edges. The product is obtained by weaving warp and weft, which is commonly known as a woven bag.

[0003] For example, the authorized announcement number CN215045145U, a paper packing bag with built-in waterproof oil film, including packing bag body, packing bag body top is equipped with opening, and packing bag body front and back two sides and bottom are equipped with storage crease, packing bag body inner wall is equipped with waterproof oil film layer, packing bag body one side is equipped with label near its bottom edge, packing bag body and label outer surface is equipped with waterproof layer, waterproof layer outer surface is equipped with wear-resistant layer. The paper packing bag with built-in waterproof oil film is provided with a waterproof oil film layer inside the packing bag body, which effectively prevents the moisture and oil on the food stored inside the packing bag body from leaking out, ensuring the packaging effect. The waterproof layer and wear-resistant layer are provided outside the packing bag body in sequence, which increases the waterproof performance of the entire packing bag, prevents the packing bag from being damaged by moisture, and increases the wear resistance of the waterproof layer through the wear-resistant layer, preventing the waterproof layer from being affected by the waterproof effect.

[0004] Most of the existing packing bags are waterproofed by adding a waterproof layer on the main body, but the bag opening is not provided with a waterproof mechanism, which makes it easy for water to enter from the bag opening, and the waterproof effect is poor. Therefore, there is an urgent need to develop a packing bag with waterproof effect to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a packing bag with waterproof effect to solve the problem of poor waterproof effect of the existing packing bag, which is mostly waterproofed by adding a waterproof layer on the main body, but the bag opening is not provided with a waterproof mechanism, which makes it easy for water to enter from the bag opening.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A packing bag with waterproof effect, including waterproof packing bag, the middle part upper end of one side end surface of waterproof packing bag is fixedly connected with L type plug -in strip, the middle part upper and lower ends of inside lateral wall of L type plug -in strip all are fixedly connected with L type clamping part, the middle part upper end of other side end surface of waterproof packing bag is fixedly connected with rectangular plug -in strip seat, the inside end surface of rectangular plug -in strip seat is provided with plug -in mouth, the inside of rectangular plug -in strip seat is provided with rectangular limiting slot, the middle part upper end of both sides end surface of waterproof packing bag is fixedly connected with semicircle connecting cap, two semicircle connecting caps of waterproof packing bag both sides are all fixedly connected with pull rope.

[0007] Preferably, the lower end of the L-shaped plug-in strip is provided with a first bonding part, and the first bonding part is fixedly connected with the waterproof packing bag.

[0008] Preferably, the two L-shaped clamping parts can top the middle part upper end of the waterproof packing bag into the inside of the rectangular limiting slot along the plug-in mouth, the middle part upper end of the waterproof packing bag is bent when being topped into the inside of the rectangular limiting slot through the L-shaped clamping part, and the two L-shaped clamping parts are clamped between the inside end surface of the rectangular limiting slot after being inserted into the inside of the rectangular limiting slot.

[0009] Preferably, a folding groove is arranged between the two L-shaped clamping parts, a rectangular top block is arranged on one side of the inside of the rectangular limiting slot, the rectangular top block is inserted into the folding groove between the two L-shaped clamping parts, and a rectangular sheet is fixedly connected to the front and rear ends of the two L-shaped clamping parts and the outside of the L-shaped plug-in strip.

[0010] Preferably, a circular limiting slot is arranged in the semicircle connecting cap, and a circular plug-in mouth is arranged between one side of the circular limiting slot and the outside end surface of the semicircle connecting cap.

[0011] Preferably, connecting columns are fixedly connected to the front and rear ends of the lower end of the pull rope, and circular column heads are fixedly connected to one side of the connecting columns.

[0012] Preferably, the circular column heads are topped into the inside of the circular limiting slot through the connecting columns and the circular plug-in mouth between the pull rope and the semicircle connecting cap.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The utility model discloses, through the setting of L type and the rectangular insertion strip seat, the waterproof packing bag middle part upper end is inserted into the rectangular limiting groove inside along the insertion port of the rectangular insertion strip seat, at this moment, the waterproof packing bag middle part upper end is bent in the rectangular limiting groove inside through the insertion of L type and is clamped between the end face of the rectangular limiting groove inside with the rectangular limiting groove inside, realizes the preliminary closure of the bag mouth. Meanwhile, the rectangular top block of the rectangular limiting groove inside inserts the bent middle part of the waterproof packing bag middle part upper end into the edge folding groove between two L type and further enhances the sealing property of the bag mouth. At this moment, the bag mouth of waterproof packing bag is closed effectively through the clamping after the bending and the insertion effect of the rectangular top block.

[0015] 2、The utility model discloses, through the setting of rectangular sheet, rectangular sheet is fixedly connected outside L type insertion strip and is located two L type and clamps the front and rear two ends. When needing separating L type and clamps the department with the rectangular insertion strip seat, the user can conveniently through simultaneously pulling two rectangular sheets, makes them drive two L type and clamps the department from the one end of the rectangular limiting groove gradually slip out, thereby realizes the quick and smooth separation of L type and clamps the department with the rectangular insertion strip seat. The setting of rectangular sheet not only improves the convenient operation, also makes the opening and closing process of bag mouth more flexible and efficient.

[0016] 3、The utility model discloses, through the setting of semicircle connecting cap, through two drawstring can conveniently carry waterproof packing bag, and when needing separating drawstring with waterproof packing bag, only need through the external force and pull out the circular limiting groove inside from the circular column head, can be convenient for separating and accomodating. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the front view of the packing bag with waterproof function of the utility model;

[0018] Figure 2 It is the main sectional view of the utility model;

[0019] Figure 3 It is the main sectional view of semicircle connecting cap of the utility model;

[0020] Figure 4 It is the A detail enlarged view of the utility model;

[0021] Figure 5 It is the B detail enlarged view of the utility model.

[0022] In the figure: 1, waterproof packaging bag; 2, L-shaped plug-in strip; 201, L-shaped clamping part; 202, folding groove; 203, first bonding part; 204, rectangular piece; 3, rectangular plug-in strip seat; 301, plug-in port; 302, rectangular limiting groove; 303, rectangular top block; 304, second bonding part; 4, semicircular connecting cap; 401, circular limiting groove; 402, circular plug-in port; 5, pull rope; 501, connecting column; 502, circular column head. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-5 An embodiment provided by the utility model: a waterproof packaging bag, including waterproof packaging bag 1, waterproof packaging bag 1 one side end face middle part upper end fixedly connected with L-shaped plug-in strip 2, L-shaped plug-in strip 2 inside side wall middle part upper and lower ends are fixedly connected with L-shaped clamping part 201, waterproof packaging bag 1 other side end face middle part upper end fixedly connected with rectangular plug-in strip seat 3, rectangular plug-in strip seat 3 inner side end face is provided with plug-in port 301, rectangular plug-in strip seat 3 is internally provided with rectangular limiting groove 302, waterproof packaging bag 1 both side end face middle part upper end front and rear ends are fixedly connected with semicircular connecting cap 4, waterproof packaging bag 1 both sides two semicircular connecting caps 4 are fixedly connected with pull rope 5 between.

[0025] Further, L-shaped plug-in strip 2 one side lower end is provided with first bonding part 203, and first bonding part 203 is fixedly connected between waterproof packaging bag 1, and rectangular plug-in strip seat 3 one side lower end is provided with second bonding part 304, and second bonding part 304 is fixedly connected between waterproof packaging bag 1.

[0026] Further, two L-shaped clamping parts 201 can make waterproof packaging bag 1 middle part upper end along plug-in port 301 top into rectangular limiting groove 302 inside, and waterproof packaging bag 1 middle part upper end is bent when toping into rectangular limiting groove 302 inside through L-shaped clamping part 201, and two L-shaped clamping parts 201 are clamped between the inner end face of rectangular limiting groove 302 after being inserted into rectangular limiting groove 302, and the waterproof packaging bag 1 bag mouth is closed by clamping and bending in rectangular limiting groove 302, effectively preventing water from entering the waterproof packaging bag 1 inside from the bag mouth.

[0027] Further, the two L-shaped clamping parts 201 are provided with a folded edge slot 202, a rectangular top block 303 is arranged in the middle of one side of the rectangular limiting slot 302, the rectangular top block 303 is inserted into the inside of the folded edge slot 202 between the two L-shaped clamping parts 201, and the folded middle part of the upper end of the waterproof packaging bag 1 in the middle part of the rectangular limiting slot 302 is further folded by the rectangular top block 303, so as to improve the sealing performance of the folded position of the waterproof packaging bag 1. The two L-shaped clamping parts 201 are fixedly connected with rectangular pieces 204 at the front and rear ends and outside the L-shaped insertion strip 2. When the L-shaped clamping part 201 needs to be separated from the rectangular insertion strip seat 3, two rectangular pieces 204 are pulled at the same time to make the two rectangular pieces 204 drive the two L-shaped clamping parts 201 to gradually slide out of the rectangular limiting slot 302 from one end, so that the L-shaped clamping part 201 can be separated from the rectangular insertion strip seat 3.

[0028] Further, the inside of the semicircular connecting cap 4 is provided with a circular limiting slot 401, and a circular socket 402 is arranged between one side of the circular limiting slot 401 and the outer end face of the semicircular connecting cap 4.

[0029] Further, the front and rear ends of the lower end of the pull rope 5 are fixedly connected with connecting columns 501, and the connecting columns 501 are fixedly connected with circular column heads 502 on one side.

[0030] Further, the circular column heads 502 are limitedly connected into the inside of the circular limiting slot 401 through the connecting columns 501 between the pull rope 5 and the semicircular connecting cap 4 along the circular socket 402, and the waterproof packaging bag 1 is conveniently carried through the two pull ropes 5. By pulling out the circular column heads 502 from the inside of the circular limiting slot 401 through external force, the pull rope 5 can be separated from the waterproof packaging bag 1, and the waterproof packaging bag 1 can be conveniently stored separately.

[0031] Working principle: in use, first open the waterproof packaging bag 1 bag mouth, put the articles into it. Subsequently, waterproof packaging bag 1 middle upper end along the rectangular insertion seat 3 inside the insertion interface 301 top into the rectangular limiting groove 302 inside, at this time, waterproof packaging bag 1 middle upper end in the rectangular limiting groove 302 inside by the top of L type clamping portion 201 and bend, two L type clamping portion 201 are inserted into the rectangular limiting groove 302 inside and between the rectangular limiting groove 302 inside end face clamping, realize the preliminary closure of bag mouth. At the same time, the rectangular top block 303 in the rectangular limiting groove 302 inside waterproof packaging bag 1 middle upper end bending middle part top into the two L type clamping portion 201 between the folding edge groove 202 inside, further enhance the sealing of bag mouth. At this time, waterproof packaging bag 1 bag mouth through the clamping after bending and the top of rectangular top block 303, realize effective closure, prevent moisture from bag mouth into waterproof packaging bag 1 inside. In addition, through two drawstring 5 can conveniently carry waterproof packaging bag 1, and when need to separate drawstring 5 and waterproof packaging bag 1, only need to pull out the circular cylindrical head 502 from the circular limiting groove 401 inside by external force, can be separated and stored. The overall structure is simple, convenient to operate, waterproof effect is remarkable.

[0032] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A waterproof packaging bag, comprising a waterproof packaging bag (1), characterized in that: The middle upper end of one side end face of the waterproof packaging bag (1) is fixedly connected to an L-shaped plug-in strip (2), and the middle upper and lower ends of the inner side wall of the L-shaped plug-in strip (2) are fixedly connected to an L-shaped clamping portion (201). The middle upper end of the other side end face of the waterproof packaging bag (1) is fixedly connected to a rectangular plug-in strip seat (3), and an insertion port (301) is provided on the inner end face of the rectangular plug-in strip seat (3). A rectangular limiting groove (302) is provided inside the rectangular plug-in strip seat (3). The front and rear ends of the middle upper ends of the two side end faces of the waterproof packaging bag (1) are fixedly connected to semicircular connecting caps (4), and a draw rope (5) is fixedly connected between the two semicircular connecting caps (4) on both sides of the waterproof packaging bag (1).

2. The waterproof packaging bag according to claim 1, characterized in that: A first adhesive portion (203) is provided at the lower end of one side of the L-shaped plug-in strip (2), and the first adhesive portion (203) is fixedly connected to the waterproof packaging bag (1); a second adhesive portion (304) is provided at the lower end of one side of the rectangular plug-in strip seat (3), and the second adhesive portion (304) is fixedly connected to the waterproof packaging bag (1).

3. The waterproof packaging bag according to claim 1, characterized in that: The two L-shaped clamping parts (201) can push the middle upper end of the waterproof packaging bag (1) into the interior of the rectangular limiting groove (302) along the insertion port (301); the middle upper end of the waterproof packaging bag (1) is bent when pushed into the interior of the rectangular limiting groove (302) by the L-shaped clamping parts (201); and after the two L-shaped clamping parts (201) are inserted into the interior of the rectangular limiting groove (302), they are clamped between the inner end surfaces of the rectangular limiting groove (302).

4. The waterproof packaging bag according to claim 1, characterized in that: A folding groove (202) is provided between the two L-shaped clamping parts (201), a rectangular top block (303) is provided in the middle of one side of the rectangular limiting groove (302), and the rectangular top block (303) is inserted into the folding groove (202) between the two L-shaped clamping parts (201), and rectangular pieces (204) are fixedly connected to the front and rear ends of the two L-shaped clamping parts (201) and the outside of the L-shaped plug strip (2).

5. The waterproof packaging bag according to claim 1, characterized in that: A circular limiting groove (401) is provided inside the semicircular connecting cap (4), and a circular socket (402) is provided between one side of the circular limiting groove (401) and the outer end surface of the semicircular connecting cap (4).

6. The waterproof packaging bag according to claim 5, characterized in that: The front and rear ends of the lower end of the pull rope (5) are fixedly connected to connecting columns (501), and one side of the connecting column (501) is fixedly connected to a circular column head (502).

7. The waterproof packaging bag according to claim 6, characterized in that: The pull rope (5) and the semicircular connecting cap (4) are connected by a connecting column (501) that pushes the circular column head (502) along the circular socket (402) into the inner limiting groove (401) for limiting connection.

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