Inflatable double-layer inflatable bag

Abstract

The utility model relates to the technical field of inflatable bags, and discloses an inflatable double-layer inflatable bag which comprises an inflatable bag body, a plurality of inflatable bag columns are arranged in the inflatable bag body, air inlet pipes are fixedly communicated with the interiors of the inflatable bag columns, the other ends of the air inlet pipes are communicated with connecting pipes, and the connecting pipes are communicated with the inflatable bag columns. One end of the connecting pipe communicates with a connecting cylinder, a communicating pipe communicates between the connecting pipe and the adjacent connecting cylinder, a first connecting disc is fixedly connected to the interior of the connecting cylinder, a first spring is fixedly connected to the outer surface of the first connecting disc, and a first blocking block is fixedly connected to the other end of the first spring. In the inflation process, the first springs are matched with the first blocking blocks and the communicating pipes, the multiple inflation bag columns can be inflated at the same time, when the inflation bag columns leak, the first blocking blocks block the adjacent connecting pipes, gas in other inflation bag columns is prevented from leaking, and therefore normal use of the inflation bag body is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inflatable bag, concretely to an inflatable double-layer inflatable bag. BACKGROUND

[0002] Inflatable bag is commonly used in transportation, and its main function is to protect goods, prevent damage in the storage and transportation process, and avoid the influence of various external conditions on goods as much as possible during transportation, especially during long-distance transportation. Inflatable bags have strong shock resistance and compression resistance, and are widely used in the logistics industry. They are often used for cushioning packaging of various fragile and artistic products to prevent damage during transportation. This can help businesses avoid unnecessary losses.

[0003] In the prior art, the internal structure of the inflatable bag is provided with an inflatable column to increase the compression resistance of the inflatable bag. However, during inflation, each inflatable column needs to be inflated one by one, which is inefficient. Some inflatable columns are connected to each other and inflated simultaneously. However, when one inflatable column leaks, it will cause multiple inflatable columns to leak, affecting the use of the inflatable bag. Therefore, an inflatable double-layer inflatable bag is proposed. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides an inflatable double-layer inflatable bag to solve the problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an inflatable double-layer inflatable bag, comprising an inflatable bag body, a plurality of inflatable bag columns are arranged inside the inflatable bag body, the inflatable bag body is in communication with one of the inflatable bag columns, an air inlet pipe is fixedly connected inside each of the plurality of inflatable bag columns, the other end of the air inlet pipe is in communication with a connecting pipe, one end of the connecting pipe is in communication with a connecting cylinder, a communication pipe is in communication between the connecting pipe and the adjacent connecting cylinder, a first connecting disc is fixedly connected inside the connecting cylinder, a first spring is fixedly connected to the outer surface of the first connecting disc, a first plug is fixedly connected to the other end of the first spring, and the first plug is movably connected to the inside of the connecting pipe.

[0006] Further, a delivery pipe is fixedly connected inside the inflatable bag body, an inflation cylinder is fixedly connected to the outer surface of the delivery pipe, an inflation pipe is fixedly connected to the top outer surface of the inflation cylinder, a sealing head is threadedly connected to the outer surface of the inflation pipe, a second connecting disc is fixedly connected inside the inflation cylinder, a second spring is fixedly connected to the top outer surface of the second connecting disc, a second plug is fixedly connected to the top outer surface of the second spring, and the second plug is movably connected to the inside of the inflation pipe.

[0007] Further, the outer surface of the first connecting disc is movably inserted with a first movable rod, one end of the first movable rod is movably inserted into the first connecting disc, and the other end of the first movable rod is fixedly connected with a first plug.

[0008] Further, the outer surface of the second connecting disc is movably inserted with a second movable rod, one end of the second movable rod is movably inserted into the second connecting disc, and the other end of the second movable rod is fixedly connected with a second plug.

[0009] Further, the outer surface of the first connecting disc is movably inserted with a first movable rod, one end of the first movable rod is movably inserted into the first connecting disc, and the other end of the first movable rod is fixedly connected with a first plug.

[0010] Further, the outer surface of the second connecting disc is movably inserted with a second movable rod, one end of the second movable rod is movably inserted into the second connecting disc, and the other end of the second movable rod is fixedly connected with a second plug.

[0011] Further, the first plug and the second plug are both circular truncated cones, and the outer surfaces of the first plug and the second plug are fixedly connected with sealing pads.

[0012] Compared with the prior art, the air inflation type double-layer air inflation bag has the following beneficial effects:

[0013] 1. The air inflation type double-layer air inflation bag can simultaneously inflate multiple air inflation bag columns through the first spring, the first plug and the communication pipe, and when the air inflation bag column leaks, the first plug blocks the adjacent communication pipe, so that the gas in other air inflation bag columns does not leak, thereby not affecting the normal use of the air inflation bag body.

[0014] 2. The air inflation type double-layer air inflation bag can be inflated by removing the sealing head and using an air inflation pump to inflate the inflation cylinder, the gas pressure deforms the second spring and the second plug, so that a gap is formed at the second plug for inflation, the second plug is reset by the second spring, and the inflation pipe is blocked, so that the inflation cylinder can also be closed under the action of the second plug when the sealing head falls, thereby reducing the possibility of gas leakage. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a front view partial sectional view structural schematic diagram of the utility model;

[0017] Figure 3 It is a front view partial sectional view structural schematic diagram of the utility model; Figure 2 It is an enlarged structural schematic diagram of A in the utility model;

[0018] Figure 4 It is an inflation pipe internal and related structure schematic diagram of the utility model.

[0019] In the figure: 1, the inflatable bag body; 2, inflatable bag column; 3, air inlet pipe; 4, connecting pipe; 5, connecting barrel; 6, first connecting disc; 7, first spring; 8, first plug; 9, communication pipe; 10, delivery pipe; 11, inflation cylinder; 12, inflation pipe; 13, second connecting disc; 14, second spring; 15, second plug; 16, sealing head. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment 1:

[0022] Please refer to Figures 1-4 The present application provides a technical solution: an inflatable double-layer inflatable bag, comprising an inflatable bag body 1, a plurality of inflatable bag columns 2 are arranged in the inflatable bag body 1, the inflatable bag body 1 is in communication with one of the inflatable bag columns 2, an air inlet pipe 3 is fixedly connected in communication in each of the plurality of inflatable bag columns 2, the other end of the air inlet pipe 3 is in communication with a connecting pipe 4, one end of the connecting pipe 4 is in communication with a connecting barrel 5, a communication pipe 9 is in communication between the connecting pipe 4 and the adjacent connecting barrel 5, a first connecting disc 6 is fixedly connected in the connecting barrel 5, a first spring 7 is fixedly connected to the outer surface of the first connecting disc 6, a first plug 8 is fixedly connected to the other end of the first spring 7, the first plug 8 is movably connected to the inside of the connecting pipe 4. Specifically, when the inflatable bag body 1 is inflated, the gas first enters the inflatable bag body 1 and enters the inflatable bag column 2, when one inflatable bag column 2 is inflated, the air pressure increases, the air pressure extrudes the first plug 8, the first spring 7 deforms, the air pressure enters the connecting pipe 4 through the communication pipe 9 and enters the inflatable bag column 2 through the air inlet pipe 3, and the plurality of inflatable bag columns 2 are inflated at the same time by the same method. When inflation is stopped, the first spring 7 drives the first plug 8 to reset, the connecting pipe 4 is plugged by the first plug 8, when the inflatable bag column 2 leaks, the first plug 8 plugs the adjacent connecting pipe 4, avoiding the leakage of the gas in other inflatable bag columns 2, so as not to affect the normal use of the inflatable bag body 1.

[0023] In the embodiment, the inside of the air bag body 1 is fixedly communicated with the conveying pipe 10, the outer surface of the conveying pipe 10 is fixedly communicated with the inflator 11, the top outer surface of the inflator 11 is fixedly communicated with the inflator pipe 12, the outer surface of the inflator pipe 12 is threadedly connected with the sealing head 16, the inside of the inflator 11 is fixedly connected with the second connecting disc 13, the top outer surface of the second connecting disc 13 is fixedly connected with the second spring 14, the top outer surface of the second spring 14 is fixedly connected with the second block 15, and the inside of the second block 15 is movably connected with the inflator pipe 12. Specifically, when inflating, the sealing head 16 is unscrewed, the external inflator pump is connected with the inflator pipe 12, the external inflator pump inflates, the second block 15 is pressed, the second spring 14 is deformed, the air pressure enters the gap to perform the inflating work, after the inflating is completed, the external inflator pump stops pressing, the second spring 14 drives the second block 15 to reset, the inflator 11 is blocked, the sealing head 16 is screwed again, and the inflator 11 is also blocked under the action of the second block 15 when the sealing head 16 falls, so that the possibility of gas leakage is reduced.

[0024] In the embodiment, the outer surface of the first connecting disc 6 movably inserts the first movable rod, the other end of the first movable rod is fixedly connected with the first block 8, and the first spring 7 is sleeved on the outer surface of the first movable rod. Specifically, when the first block 8 moves, the first movable rod slides in the first connecting disc 6, the first spring 7 is limited by the first movable rod, and the inclination deformation of the first spring 7 is avoided.

[0025] In the embodiment, the outer surface of the second connecting disc 13 movably inserts the second movable rod, the other end of the second movable rod is fixedly connected with the second block 15, and the second spring 14 is sleeved on the outer surface of the second movable rod. Specifically, when the second block 15 moves, the second movable rod slides in the second connecting disc 13, the second spring 14 is limited by the second movable rod, and the inclination deformation of the second spring 14 is avoided.

[0026] In the embodiment, the outer surface of the first connecting disc 6 is provided with a plurality of first through holes. Specifically, when inflating, the gas passes through the first connecting disc 6 through the first through holes.

[0027] In the embodiment, the outer surface of the second connecting disc 13 is provided with a plurality of second through holes. Specifically, when inflating, the gas passes through the second connecting disc 13 through the second through holes.

[0028] In the embodiment, the first block 8 and the second block 15 are both circular truncated cone-shaped, and the outer surfaces of the first block 8 and the second block 15 are fixedly connected with sealing pads, specifically, by arranging the circular truncated cone-shaped first block 8 and the second block 15, the connecting pipe 4 and the inflation pipe 12 can be blocked, and the sealing between the first block 8 and the connecting pipe 4 and the sealing between the second block 15 and the inflation pipe 12 are increased by arranging the sealing pads.

[0029] Working principle: when the utility model is used, when the inflatable bag body 1 is inflated, the gas first enters the inflatable bag body 1 and enters the inflatable bag column 2, when one inflatable bag column 2 is inflated, the gas pressure increases, the gas pressure extrudes the first block 8, the first spring 7 is deformed, the gas pressure enters the connecting pipe 4 through the communicating pipe 9 and enters the inflatable bag column 2 through the air inlet pipe 3, a plurality of inflatable bag columns 2 are inflated simultaneously by using the same way, when the inflation is stopped, the first spring 7 drives the first block 8 to reset, the connecting pipe 4 is blocked by the first block 8, when the inflatable bag column 2 leaks, the first block 8 blocks the adjacent connecting pipe 4, the gas in other inflatable bag columns 2 is prevented from leaking, so that the normal use of the inflatable bag body 1 is not affected.

[0030] When being inflated, the sealing head 16 is unscrewed, the external inflation pump is connected with the inflation pipe 12, when the external inflation pump inflates, the second block 15 is extruded, the second spring 14 is deformed, the gas pressure enters to inflate through the gap, when the inflation is finished, the inflation pump stops pressing, the second spring 14 drives the second block 15 to reset, the inflation cylinder 11 is blocked, the sealing head 16 is screwed again, when the sealing head 16 falls, the inflation cylinder 11 can also be closed under the action of the second block 15, the possibility of gas leakage is reduced.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An inflatable double-layered air bag, comprising an air bag body (1), characterized in that: The inflatable bag body (1) is provided with multiple inflatable bag columns (2) inside. The inflatable bag body (1) is connected to one of the inflatable bag columns (2). The inflatable bag columns (2) are all fixedly connected to an air inlet pipe (3). The other end of the air inlet pipe (3) is connected to a connecting pipe (4). One end of the connecting pipe (4) is connected to a connecting cylinder (5). The connecting pipe (4) is connected to an adjacent connecting cylinder (5) by a connecting pipe (9). The inside of the connecting cylinder (5) is fixedly connected to a first connecting plate (6). The outer surface of the first connecting plate (6) is fixedly connected to a first spring (7). The other end of the first spring (7) is fixedly connected to a first blocking block (8). The first blocking block (8) is movably connected to the inside of the connecting pipe (4).

2. The inflatable double-layer air bag according to claim 1, characterized in that: The inside of the inflatable bag body (1) is fixedly connected to a conveying pipe (10), the outer surface of the conveying pipe (10) is fixedly connected to an inflation cylinder (11), the top outer surface of the inflation cylinder (11) is fixedly connected to an inflation pipe (12), the outer surface of the inflation pipe (12) is threadedly connected to a sealing head (16), the inside of the inflation cylinder (11) is fixedly connected to a second connecting plate (13), the top outer surface of the second connecting plate (13) is fixedly connected to a second spring (14), the top outer surface of the second spring (14) is fixedly connected to a second blocking block (15), and the second blocking block (15) is movably connected to the inside of the inflation pipe (12).

3. The inflatable double-layer air bag according to claim 1, characterized in that: The outer surface of the first connecting plate (6) is movably inserted with a first movable rod, the other end of the first movable rod is fixedly connected to the first block (8), and the first spring (7) is sleeved on the outer surface of the first movable rod.

4. The inflatable double-layer air bag according to claim 2, characterized in that: The outer surface of the second connecting plate (13) is movably inserted with a second movable rod, the other end of which is fixedly connected to the second block (15), and the second spring (14) is sleeved on the outer surface of the second movable rod.

5. The inflatable double-layer air bag according to claim 1, characterized in that: The outer surface of the first connecting disk (6) is provided with several first through holes.

6. An inflatable double-layer air bag according to claim 2, characterized in that: The outer surface of the second connecting plate (13) has several second through holes.

7. An inflatable double-layer air bag according to claim 2, characterized in that: The first block (8) and the second block (15) are both frustum-shaped, and sealing gaskets are fixedly connected to the outer surfaces of the first block (8) and the second block (15).

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