Flexible plastic inner container

Abstract

The utility model discloses a flexible plastic inner container, which relates to the technical field of plastic inner containers and comprises an inner container body, the inner container body is made of flexible transparent plastics, a liquid spraying bottle is wrapped outside the inner container body, the liquid spraying bottle is made of transparent glass materials, and a connecting assembly is arranged between the inner container body and the liquid spraying bottle. An air pump assembly is arranged on the connecting assembly. Air is prevented from entering the inner container body through installation of the inner container body, the inner container body is made of flexible transparent plastic and can contract along with reduction of content in the inner container body, the problem that negative pressure is formed in the inner container body is solved, and the problem that the inner container body is not prone to falling off in the using process of some medical liquid spraying bottles is solved. The problems that in the prior art, contents in a liquid spraying bottle are sprayed out, in order to maintain the air pressure in the liquid spraying bottle, air supplementation is needed, but some contents are not suitable for being in contact with the air, and the contents are polluted are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic inner bag, especially to a flexible plastic inner bag. BACKGROUND

[0002] Liquid spraying bottles are widely used in various industries and technical fields, such as chemical industry, medicine, food, etc. According to actual needs, some liquid spraying bottles have high requirements on materials, but the purpose of the bottle cap is only to seal the liquid in it or only to prevent dust. In the medical field, there are some liquid medicines, such as cough syrup, nasal spray, and foot spray.

[0003] During the use of some medical liquid spraying bottles, the contents in the bottle are sprayed out after pressing the pressure head. In order to maintain the air pressure in the bottle, air needs to be supplemented. However, some contents are not suitable for contact with air, which will pollute the contents.

[0004] Therefore, it is necessary to provide a flexible plastic inner bag to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a flexible plastic inner bag to solve the problem that some medical liquid spraying bottles are pressed to spray the contents in the bottle, and air needs to be supplemented to maintain the air pressure in the bottle, but some contents are not suitable for contact with air, which will pollute the contents.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a flexible plastic inner bag, comprising an inner bag body, the inner bag body is made of flexible transparent plastic, the outer part of the inner bag body is wrapped with a liquid spraying bottle, the liquid spraying bottle is made of transparent glass material, a connecting assembly is arranged between the inner bag body and the liquid spraying bottle, and an air pump assembly is arranged on the connecting assembly.

[0007] The connecting assembly comprises a connecting plate fixedly arranged at the top of the inner bag body, the inner bag body is fixedly arranged at the bottom of the connecting plate, an extension rod is fixedly arranged at the top of the connecting plate, a sealing ring is fixedly arranged at the top of the extension rod, a bottle neck is fixedly arranged at the top of the liquid spraying bottle, the diameter of the sealing ring is greater than that of the extension rod, the lower surface of the sealing ring is attached to the top of the bottle neck, the extension rod is attached to the inner wall of the bottle neck, and mounting grooves are arranged in the middle parts of the sealing ring and the extension rod.

[0008] Preferably, the outer wall of the liquid spraying bottle is fixedly provided with an air hole.

[0009] Preferably, the air pump assembly comprises a bottle cap, the bottle cap is threadedly connected at the outer ring of the bottle neck, the inner wall of the top of the bottle cap is fixedly provided with a negative pressure assembly, the negative pressure assembly is located in the inside of the mounting groove and is mutually matched with the mounting groove, the top of the negative pressure assembly is provided with a pressure head penetrating through the top of the bottle cap, and the bottom of the negative pressure assembly is provided with a suction pipe penetrating into the inside of the inner container body through the through hole.

[0010] Preferably, the bottom of the suction pipe is fixedly provided with a flow guide plate, and the flow guide plate is provided with a flow guide groove.

[0011] Preferably, the thickness of the side wall of the inner container body gradually thins from top to bottom.

[0012] Preferably, the outer side wall of the inner container body is fixedly provided with two symmetrically arranged memory sponges, the memory sponges are located on the outer side wall close to the bottom of the inner container body, and the memory sponges are mutually matched with the liquid spraying bottle.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. By the installation of the inner container body, air is prevented from entering the inside of the inner container body, the inner container body is made of flexible transparent plastic, can shrink with the decrease of the content in the inside of the inner container body, and the problem that negative pressure is formed in the inside of the inner container body is solved, the content in the inside of the liquid spraying bottle is sprayed out in the use process of some medical liquid spraying bottles, air needs to be supplemented in order to maintain the air pressure in the inside of the liquid spraying bottle, but some content is not suitable for contacting with air and can cause pollution to the content;

[0015] 2. After the inner container body is placed in the inside of the liquid spraying bottle, the connecting plate, the extension rod and the sealing ring are pressed, the lower surface of the sealing ring is matched with the top of the bottle neck, and the placement and installation of the inner container body are completed, and the installation efficiency and stability of the inner container body are improved;

[0016] 3. The sealing ring is pressed by the bottle cap, the sealing property of the connection between the bottle cap and the bottle neck is improved, and air is prevented from entering the inside of the inner container body;

[0017] 4. The installation of the flow guide plate and the flow guide groove enables the inside of the inner container body to be kept in communication when the inner container body shrinks, and the problem that content can be left in the local part of the inside of the inner container body is avoided;

[0018] 5. The improvement of the structure of the inner container body and the installation of the memory sponge enable the content in the inside of the inner container body to be slowly displaced upwards and drawn out by the suction pipe when the inner container body shrinks from the bottom, and the problem that content can be left in the local part of the inside of the inner container body is further avoided. DRAWINGS

[0019] Figure 1The utility model provides a flexible plastic inner bag three-dimensional structure schematic diagram.

[0020] Figure 2 The utility model provides a flexible plastic inner bag profile structure schematic diagram.

[0021] Figure 3 The utility model provides an inner bag body profile structure schematic diagram.

[0022] Figure 4 The utility model provides a memory sponge and structure schematic diagram.

[0023] In the drawing: 1, inner bag body;2, connecting plate;3, lengthening rod;4, sealing ring;5, installation groove;6, through -hole;7, liquid spraying bottle;8, air hole;9, bottle neck;10, bottle cap;11, negative pressure subassembly;12, pressure head;13, draw pipe;14, deflector;15, memory sponge. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0025] The utility model provides a flexible plastic inner bag as Figures 1-4 The utility model discloses a flexible plastic inner bag, including liquid spraying bottle 7 and the air pump subassembly of installing on liquid spraying bottle 7, through the installation of air pump subassembly, the content of liquid spraying bottle 7 inside is sprayed, considering in some medical liquid spraying bottle 7 use process, the content of liquid spraying bottle 7 inside is sprayed, to maintain the air pressure in liquid spraying bottle 7, need the replenishment of air, but some content is not suitable with air contact, will cause the pollution of content, therefore, liquid spraying bottle 7 is provided with inner bag body 1 through connecting assembly, and inner bag body 1 is located in the inside of liquid spraying bottle 7, through the installation of inner bag body 1, avoid air to enter into inner bag body 1, and inner bag body 1 adopts flexible transparent plastic and is made, can shrink along with the reduction of the content in inner bag body 1, will not make the problem that the negative pressure is formed in inner bag body 1.

[0026] Further, the connecting assembly includes a connecting plate 2 fixedly arranged at the top of the inner bag body 1, the inner bag body 1 is fixedly arranged at the bottom of the connecting plate 2, the top of the connecting plate 2 is fixedly provided with a lengthening rod 3, the top of the lengthening rod 3 is fixedly provided with a sealing ring 4, the top of the liquid spraying bottle 7 is fixedly provided with a bottle neck 9, the diameter of the sealing ring 4 is greater than the diameter of the lengthening rod 3, the lengthening rod 3 is attached to the inner wall of the bottle neck 9, the middle part of the sealing ring 4 and the lengthening rod 3 is provided with an installation groove 5, and the middle part of the connecting plate 2 is provided with a through-hole 6.

[0027] Specifically, since the connecting plate 2, the lengthening rod 3 and the sealing ring 4 are all made of elastic transparent material, after the inner container body 1 is placed into the inside of the liquid spraying bottle 7, the connecting plate 2, the lengthening rod 3 and the sealing ring 4 are pressed, so that the lower surface of the sealing ring 4 is attached to the top of the bottle neck 9, thereby completing the placement and installation of the inner container body 1, and improving the installation efficiency and stability of the inner container body 1.

[0028] Further, the liquid spraying bottle 7 is made of transparent glass material, which is convenient for observing the use of the content in the inner container body 1.

[0029] The connecting assembly is provided with an air pump assembly, the air pump assembly comprises a bottle cap 10, the bottle cap 10 is threadedly connected at the outer circle of the bottle neck 9, an inner wall at the top of the bottle cap 10 is fixedly provided with a negative pressure assembly 11, the negative pressure assembly 11 is located in the inside of the installation groove 5 and is attached to the installation groove 5, the top of the negative pressure assembly 11 is provided with a pressure head 12 penetrating through the top of the bottle cap 10, and the bottom of the negative pressure assembly 11 is provided with a suction pipe 13 penetrating into the inside of the inner container body 1 through the through hole 6.

[0030] After the inner container body 1 is installed in place and the content is placed in the inside, the bottle cap 10 is screwed to the bottle neck 9, the installation of the air pump assembly is completed, and at the same time, the sealing ring 4 is pressed tightly through the bottle cap 10, so as to improve the sealing performance of the connection between the bottle cap 10 and the bottle neck 9, and avoid air entering the inside of the inner container body 1.

[0031] In use, the pressure head 12 is pressed, the content in the inside of the inner container body 1 is sucked out through the suction pipe 13 and sprayed out through the liquid outlet pipe on the pressure head 12 through the installation of the negative pressure assembly 11, since the negative pressure assembly 11 is a common press-out liquid member such as shampoo, the present application will not be described further.

[0032] Further, the outer wall of the liquid spraying bottle 7 is fixedly provided with an air hole 8, through the installation of the air hole 8, the air pressure in the inside of the liquid spraying bottle 7 is supplemented.

[0033] Considering that the content may be left in the inside of the inner container body 1 when it is contracted in use, therefore, a flow guide plate 14 is fixedly arranged at the bottom of the suction pipe 13, the flow guide plate 14 is provided with a flow guide groove, through the installation of the flow guide plate 14 and the flow guide groove, the inside of the inner container body 1 can be kept in communication with each other when the inner container body 1 is contracted, so as to avoid the problem that the content may be left in the inside of the inner container body 1.

[0034] In addition, the thickness of the side wall of the inner container body 1 gradually decreases from top to bottom, so that the inner container body 1 is contracted from the bottom when it is contracted, so that the content in the inside of the inner container body 1 is slowly displaced upward and sucked out by the suction pipe 13, further avoiding the problem that the content may be left in the inside of the inner container body 1.

[0035] Further, the outer side wall of the inner container body 1 is fixedly provided with two symmetrically arranged memory sponges 15, which are located on the outer side wall close to the bottom of the inner container body 1 and are in close contact with the liquid spraying bottle 7. When the inner container body 1 is contracted, the memory sponges 15 are slowly puffed up synchronously, thereby assisting the contraction of the inner container body 1 from the bottom.

Claims

1. A flexible plastic liner, comprising a liner body (1), characterized in that: The inner liner body (1) is made of flexible transparent material. Made of transparent plastic, the inner liner (1) is wrapped with a spray bottle (7), which is made of transparent glass. Made of a material, a connecting component is provided between the inner liner body (1) and the spray bottle (7), and an air pump component is provided on the connecting component.

2. The flexible plastic liner according to claim 1, characterized in that: The connecting assembly includes a connecting plate (2) fixedly mounted on the top of the inner liner body (1), the inner liner body (1) fixedly mounted on the bottom of the connecting plate (2), an extension rod (3) fixedly mounted on the top of the connecting plate (2), a sealing ring (4) fixedly mounted on the top of the extension rod (3), a bottle neck (9) fixedly mounted on the top of the spray bottle (7), the diameter of the sealing ring (4) being larger than the diameter of the extension rod (3), the lower surface of the sealing ring (4) fitting against the top of the bottle neck (9), the extension rod (3) fitting against the inner wall of the bottle neck (9), an installation groove (5) being provided in the middle of both the sealing ring (4) and the extension rod (3), and a through hole (6) being provided in the middle of the connecting plate (2). The connecting plate (2), the extension rod (3) and the sealing ring (4) are all made of elastic transparent material.

3. The flexible plastic inner liner according to claim 1, characterized in that: The outer wall of the spray bottle (7) is fixedly provided with air holes (8).

4. The flexible plastic inner liner according to claim 1, characterized in that: The air pump assembly includes a bottle cap (10), which is threaded to the outer ring of the bottle neck (9). A negative pressure assembly (11) is fixedly installed on the inner wall of the top of the bottle cap (10). The negative pressure assembly (11) is located inside the mounting groove (5) and fits against the mounting groove (5). A pressure head (12) penetrating the top of the bottle cap (10) is provided on the top of the negative pressure assembly (11). A suction tube (13) is provided at the bottom of the negative pressure assembly (11). The suction tube (13) passes through the through hole (6) and extends into the interior of the inner liner body (1).

5. A flexible plastic inner liner according to claim 4, characterized in that: A guide plate (14) is fixedly provided at the bottom of the extraction tube (13), and a guide groove is provided on the guide plate (14).

6. A flexible plastic inner liner according to claim 3, characterized in that: The thickness of the sidewall of the inner liner body (1) gradually decreases from top to bottom.

7. A flexible plastic inner liner according to claim 5, characterized in that: Two symmetrically arranged memory foams (15) are fixedly installed on the outer side wall of the inner liner body (1). The memory foams (15) are located on the outer side wall near the bottom of the inner liner body (1), and the memory foams (15) are in contact with the spray bottle (7).

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