Combined PVC (polyvinyl chloride) inflatable inner container

By designing a combined structure in the PVC inflatable inner liner, the double-layer inflation and sealing treatment of gas is achieved, which solves the problem of friction and cracking of the outer wall of the inner liner, improves durability and safety, and enhances stability and functional flexibility.

CN222747073UActive Publication Date: 2025-04-11YIWU HONGQUE DAILY NECESSITIES CO LTD
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Patent Information

Application Number
CN202421610588.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-11
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

During use, PVC inflatable inner liner can easily cause friction and cracking of the outer wall, resulting in reduced safety risks and practicality.

Method used

A combined PVC inflatable inner liner is designed. By setting an inflatable cavity and an inflatable pipe between the outer ring and the inner ring, and installing a sealing soft plate and seal on the inflatable pipe, the double-layer inflatable and sealing treatment of the gas is realized, and a combination mechanism is provided on the outer wall of the outer ring to enhance stability.

Benefits of technology

It effectively avoids the unusable situation when the outer ring is broken, and the durability and safety of the inner liner are improved through double-layer gas inflation and sealing treatment, and strengthens stability and functional flexibility through the combination mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of inflatable inner containers, and discloses a combined PVC (polyvinyl chloride) inflatable inner container which comprises an outer ring, a first inflatable cavity is arranged in the outer ring, an inner ring is arranged in the first inflatable cavity, a second inflatable cavity is arranged in the inner ring, the outer wall of the outer ring is communicated with an inflatable tube, and the outer wall of the outer ring is communicated with an inflatable tube. The bottom end of the inflation pipe penetrates through the outer wall of the outer ring and communicates with the outer wall of the inner ring, the inner wall of the inflation pipe is fixedly connected with a sealing soft plate, the inner wall of the inflation pipe is slidably connected with a sealing piece, the top of the sealing piece is fixedly connected with a sealing cover, and a screw groove is formed in the top of the outer wall of the inflation pipe. According to the inner container, firstly, gas of the first layer is injected through the first inflation cavity, then gas of the second layer is injected through the second inflation cavity, in this way, the situation that when the outer ring is broken, the whole inner container cannot be used can be avoided, and inserting and connecting use with different functions can be achieved through the combination blocks and the fixing plates.
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Description

Technical Field

[0001] The utility model relates to the technical field of inflatable liner, in particular to a combined PVC inflatable liner. Background Art

[0002] PVC inflatable liner is a polymer material with excellent physical and chemical properties. The inflatable liner made of it has excellent durability, strength, elasticity and waterproof performance. This enables the PVC inflatable liner to maintain the stability of its shape and structure under various environmental conditions, while effectively preventing moisture penetration, ensuring the durability and safety of inflatable products.

[0003] The existing PVC inflatable liner is expanded by injecting gas into the inflation holes on the liner, which can achieve a better floating effect.

[0004] However, when the PVC inflatable liner is in use, it is easy to cause friction and cracking of the outer wall of the liner, which leads to danger during use and reduces the practicality of the inflatable liner. Therefore, a combined PVC inflatable liner is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a combined PVC inflatable liner, which aims to improve the problem in the prior art that the outer wall of the PVC inflatable liner is easily fractured by friction when in use.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a combined PVC inflatable liner, comprising an outer ring, an inflation chamber 1 is arranged inside the outer ring, an inner ring is arranged inside the inflation chamber 1, an inflation chamber 2 is arranged inside the inner ring, the outer wall of the outer ring is connected with an inflation tube, the bottom end of the inflation tube passes through the outer wall of the outer ring and is connected with the outer wall of the inner ring, the inner wall of the inflation tube is fixedly connected with a sealing soft plate, the inner wall of the inflation tube is slidably connected with a seal, the top of the seal is fixedly connected with a sealing cover, a screw groove is opened on the top of the outer wall of the inflation tube, the inner thread of the sealing cover is connected to the outer wall of the screw groove, and the outer wall of the outer ring is provided with a combination mechanism.

[0007] As a further description of the above technical solution:

[0008] The combination mechanism includes a plurality of installation boxes, and the adjacent plurality of installation boxes are fixedly connected around the outer wall of the outer ring, the interiors of the plurality of installation boxes are provided with connecting holes, the interiors of the plurality of connection holes are slidably connected with pull rods, the outer walls of the plurality of pull rods are fixedly connected with springs, the tops of the plurality of installation boxes are provided with installation grooves, the interiors of the plurality of installation grooves are slidably connected with combination blocks, and the tops of the plurality of combination blocks are fixedly connected with fixing plates.

[0009] As a further description of the above technical solution:

[0010] A connecting belt is fixedly connected to the top of the fixing plate on the right side, and the other end of the connecting belt is fixedly connected to the outer wall of the outer ring.

[0011] As a further description of the above technical solution:

[0012] The top of the front fixed plate is fixedly connected with a rotating block, and the two adjacent rotating blocks are rotatably connected with a handle.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the handle is fixedly connected with an anti-slip sleeve.

[0015] As a further description of the above technical solution:

[0016] The ends of the plurality of pull rods that are away from each other are all fixedly connected with pull rings.

[0017] As a further description of the above technical solution:

[0018] The top of the sealing cover is fixedly connected with a rotating button.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the outer ring is fixedly connected with reflective stickers all around.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the first layer of gas is firstly filled through the first inflation chamber, and then the second layer of gas is filled through the second inflation chamber, so as to avoid the situation that the entire inner liner cannot be used when the outer ring is broken. The first inflation chamber and the second inflation chamber are connected through the inflation tube, and the inner liner filled with gas can be temporarily sealed by the sealing soft plate, and then it is fixed and connected by the screw groove on the top of the outer wall of the inflation tube, so as to complete the sealing process.

[0023] 2. In the utility model, different functions can be plugged in and used through the combination blocks and the fixed plate. Two combination blocks are installed at the bottom of the fixed plate, and multiple outer rings can be combined and spliced ​​through the two combination blocks. At the same time, a handle is installed on the top of the fixed plate through a rotating block. People can grab it conveniently when using it to ensure stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional schematic diagram of a combined PVC inflatable liner proposed by the utility model;

[0025] Figure 2 This is a structural schematic diagram of a combined PVC inflatable liner assembly device proposed by the utility model;

[0026] Figure 3 The utility model is a cross-sectional view of a combined PVC inflatable liner.

[0027] Legend:

[0028] 1. Outer ring; 2. Combination mechanism; 201. Installation box; 202. Connection hole; 203. Pull rod; 204. Spring; 205. Installation slot; 206. Combination block; 207. Fixing plate; 208. Connecting belt; 209. Rotating block; 210. Handle; 211. Pull ring; 212. Anti-slip cover; 3. Inflatable cavity 1; 4. Inner ring; 5. Inflatable cavity 2; 6. Inflatable tube; 7. Sealing soft board; 8. Sealing element; 9. Screw groove; 10. Sealing cover; 11. Rotating knob; 12. Reflective tape. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a combined PVC inflatable liner, including an outer ring 1, an inflatable cavity 3 is arranged inside the outer ring 1, an inner ring 4 is arranged inside the inflatable cavity 3, an inflatable cavity 2 5 is arranged inside the inner ring 4, the outer wall of the outer ring 1 is connected with an inflatable tube 6, the bottom end of the inflatable tube 6 passes through the outer wall of the outer ring 1 and is connected to the outer wall of the inner ring 4, the inner wall of the inflatable tube 6 is fixedly connected with a sealing soft plate 7, the inner wall of the inflatable tube 6 is slidably connected with a sealing member 8, the top of the sealing member 8 is fixedly connected with a sealing cover 10, the top of the outer wall of the inflatable tube 6 is provided with a screw groove 9, the inner thread of the sealing cover 10 is connected to the outer wall of the screw groove 9, and the outer wall of the outer ring 1 is provided with a combined mechanism 2.

[0031] Specifically, an inflatable cavity 13 is provided inside the outer ring 1, and the first layer of gas is filled through the inflatable cavity 13, and then an inner ring 4 is provided inside the inflatable cavity 13, and an inflatable cavity 25 is provided inside the inner ring 4, and the second layer of gas is filled through the inflatable cavity 25, so as to avoid the situation that the entire inner liner cannot be used when the outer ring 1 is broken. The inflatable cavity 13 and the inflatable cavity 25 are connected through the inflatable tube 6, and a plurality of holes for entering the inflatable cavity 13 and the inflatable cavity 25 are opened on the outer wall of the inflatable tube 6. At the same time, a sealing soft board 7 is fixedly installed on the inner wall of the inflatable tube 6, and the sealing soft board 7 can be used to temporarily seal the inner liner filled with gas, and then a sealing member 8 is inserted inside the inflatable tube 6, and a sealing cover 10 is fixed on the top of the outer wall of the sealing member 8, and it is fixedly connected through the screw groove 9 on the top of the outer wall of the inflatable tube 6, so as to complete the sealing process.

[0032] Reference Figure 1 and Figure 2 The combination mechanism 2 includes a plurality of installation boxes 201, wherein the adjacent plurality of installation boxes 201 are fixedly connected around the outer wall of the outer ring 1, the interiors of the plurality of installation boxes 201 are provided with connecting holes 202, the interiors of the plurality of connecting holes 202 are slidably connected with pull rods 203, the outer walls of the plurality of pull rods 203 are fixedly connected with springs 204, the tops of the plurality of installation boxes 201 are provided with mounting grooves 205, the interiors of the plurality of mounting grooves 205 are slidably connected with combination blocks 206, the tops of the plurality of combination blocks 206 are fixedly connected with fixing plates 207, the tops of the right fixing plates 207 are fixedly connected with connecting belts 208, the other ends of the connecting belts 208 are fixedly connected to the outer wall of the outer ring 1, the tops of the front fixing plates 207 are fixedly connected with rotating blocks 209, the adjacent two rotating blocks 209 are rotatably connected with handles 210, the ends away from the plurality of pull rods 203 are fixedly connected with pull rings 211, and the outer wall of the handle 210 is fixedly connected with an anti-slip sleeve 212.

[0033] Specifically, installation boxes 201 are fixed around the outer wall of the outer ring 1, and an installation groove 205 is opened on the top of the installation box 201. A combination block 206 is inserted into the inside of the installation groove 205, and a fixing plate 207 is fixed on the top of the combination block 206. When the combination block 20206 is inserted into the installation groove 205, connecting holes 202 are opened on both sides of the installation box 201, and a pull rod 203 is slidably connected inside the connecting hole 202. A spring 204 is fixed on the outer wall of the pull rod 203. The pull rod 203 is pulled outward to drive the spring 204 to be squeezed, and then the pull rod 203 is released, and it can be inserted into the hole on the combination block 206 in cooperation with the spring 204, thereby quickly completing the fixed connection.

[0034] Reference Figure 1 and Figure 2 A knob 11 is fixedly connected to the top of the sealing cover 10 , and reflective stickers 12 are fixedly connected to the outer wall of the outer ring 1 .

[0035] Specifically, the sealing cover 10 can be conveniently opened or fixed by turning the knob 11 thereon. A plurality of reflective stickers 12 are fixed to the outer wall of the outer ring 1. The reflective stickers 12 can be used at night to ensure safety.

[0036] Working principle: First, the first layer of gas is filled through the inflation chamber 1 3, and then the second layer of gas is filled through the inflation chamber 2 5. This can prevent the entire inner liner from being unusable when the outer ring 1 is broken. The inflation chamber 1 3 and the inflation chamber 2 5 are connected through the inflation tube 6. A sealing soft board 7 is fixedly installed on the inner wall of the inflation tube 6. The inner liner filled with gas can be temporarily sealed by the sealing soft board 7. Then, a sealing member 8 is inserted into the inside of the inflation tube 6. A sealing cover 10 is fixed on the top of the outer wall of the sealing member 8. It is fixedly connected through the screw groove 9 on the top of the outer wall of the inflation tube 6 to complete the sealing process. In addition, installation boxes 201 are fixed around the outer wall of the outer ring 1. In the installation box 2 01 is provided with a mounting slot 205 at the top, a combination block 206 is inserted inside the mounting slot 205, a fixing plate 207 is fixed on the top of the combination block 206, and the fixing plate 207 can be used for plugging and using different functions, and two combination blocks 206 are installed at the bottom of the fixing plate 207, and multiple outer rings 1 can be combined and spliced ​​through the two combination blocks 206. At the same time, a handle 210 is installed on the top of the fixing plate 207 through a rotating block 209, so that people can grab it conveniently when using it to ensure stability. When the combination block 20206 is inserted into the mounting slot 205, connection holes 202 are provided on both sides of the mounting box 201, and a pull rod 203 is slidably connected inside the connection hole 202, and a spring 204 is fixed on the outer wall of the pull rod 203. By pulling the pull rod 203 outward to drive the spring 204 to be squeezed, and then releasing the pull rod 203, it can be inserted into the hole on the combination block 206 with the spring 204, so as to quickly complete the fixed connection.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined PVC inflatable liner, comprising an outer ring (1), characterized in that: An inflation chamber (3) is provided inside the outer ring (1), an inner ring (4) is provided inside the inflation chamber (3), and an inflation chamber (5) is provided inside the inner ring (4). The outer wall of the outer ring (1) is connected to an inflation tube (6), the bottom end of the inflation tube (6) passes through the outer wall of the outer ring (1) and is connected to the outer wall of the inner ring (4), the inner wall of the inflation tube (6) is fixedly connected to a sealing soft plate (7), the inner wall of the inflation tube (6) is slidably connected to a sealing member (8), the top of the sealing member (8) is fixedly connected to a sealing cover (10), the top of the outer wall of the inflation tube (6) is provided with a screw groove (9), the inner thread of the sealing cover (10) is connected to the outer wall of the screw groove (9), and the outer wall of the outer ring (1) is provided with a combination mechanism (2).

2. The combined PVC inflatable liner according to claim 1, characterized in that: The combination mechanism (2) comprises a plurality of installation boxes (201), wherein the adjacent plurality of installation boxes (201) are fixedly connected to the outer wall of the outer ring (1), the interiors of the plurality of installation boxes (201) are provided with connection holes (202), the interiors of the plurality of connection holes (202) are slidably connected with pull rods (203), the outer walls of the plurality of pull rods (203) are fixedly connected with springs (204), the tops of the plurality of installation boxes (201) are provided with installation grooves (205), the interiors of the plurality of installation grooves (205) are slidably connected with combination blocks (206), and the tops of the plurality of combination blocks (206) are fixedly connected with fixing plates (207).

3. The combined PVC inflatable liner according to claim 2, characterized in that: A connecting belt (208) is fixedly connected to the top of the fixing plate (207) on the right side, and the other end of the connecting belt (208) is fixedly connected to the outer wall of the outer ring (1).

4. The combined PVC inflatable liner according to claim 2, characterized in that: The top of the front fixed plate (207) is fixedly connected with a rotating block (209), and a handle (210) is rotatably connected between two adjacent rotating blocks (209).

5. The combined PVC inflatable liner according to claim 4, characterized in that: An anti-slip sleeve (212) is fixedly connected to the outer wall of the handle (210).

6. The combined PVC inflatable liner according to claim 2, characterized in that: The ends of the plurality of pull rods (203) that are away from each other are all fixedly connected with pull rings (211).

7. The combined PVC inflatable liner according to claim 1, characterized in that: A rotating knob (11) is fixedly connected to the top of the sealing cover (10).

8. The combined PVC inflatable liner according to claim 1, characterized in that: Reflective tapes (12) are fixedly connected to the outer wall of the outer ring (1) on all sides.