Acid-proof and water-proof PVC (polyvinyl chloride) board
Through a multi-layer composite structure design, including an acid and alkali resistant layer, a buffer layer, and a waterproof protective board, the problem of PVC boards being easily corroded and damaged in acidic and alkaline environments is solved, achieving waterproof and impact-resistant effects and extending service life.
Patent Information
- Application Number
- CN202422983333.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-04
AI Technical Summary
PVC sheets are easily corroded in acidic or alkaline environments, leading to water seepage. They also have low hardness and are easily damaged by external impacts, resulting in cracks and breakage, which affects their service life.
It adopts a multi-layer composite structure design, including an acid and alkali resistant layer, a buffer layer, and a waterproof protective plate. The buffer layer is equipped with elastic elements to absorb and disperse impact force, and the waterproof protective plate forms a closed frame through the insertion of limiting blocks and limiting grooves, which enhances waterproof performance and impact resistance.
It effectively disperses acid and alkali corrosion, reduces water seepage, prevents cracks and damage caused by external forces, extends service life, and maintains the stability and performance of the board during use.
Smart Images
Figure CN223443049U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PVC boards, in particular to an acid-proof and waterproof PVC board. Background Art
[0002] PVC board polyvinyl chloride (PVC) plastic is a polymer formed by free radical polymerization of vinyl chloride monomer. PVC board is made of PVC as raw material and has a honeycomb mesh structure in cross section. It is a vacuum blister film. PVC board is used for surface packaging of various panels, so it is also called decorative film or adhesive film. It is used in many industries such as building materials, packaging, and medicine. Among them, the building materials industry accounts for the largest proportion, 60%, followed by the packaging industry, and there are several other small-scale application industries. According to the degree of hardness, it can be divided into soft PVC and hard PVC. According to the production process, it can be divided into PVC crust foam board and PVC free foam board. According to transparency and opacity, it can be divided into PVC transparent board and ordinary PVC board.
[0003] In an environment with high pH, PVC waterproof materials are easily corroded, resulting in water seepage. In addition, the hardness of PVC boards is relatively low, and they are easily affected by external forces, causing cracks and breakage, which will affect their service life. In view of this, we propose an acid-proof and waterproof PVC board. Utility Model Content
[0004] The purpose of the utility model is to provide an acid-proof and waterproof PVC board to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides an acid-proof and waterproof PVC board, comprising a substrate, wherein acid- and alkali-resistant layers are provided on the upper and lower sides of the substrate, a first waterproof protective plate is installed on the top of the upper acid- and alkali-resistant layer, and a second waterproof protective plate is installed on the bottom of the lower acid- and alkali-resistant layer, and a buffer layer is provided between the substrate and the two acid- and alkali-resistant layers, wherein:
[0006] A plurality of elastic members are arranged inside the buffer layer, and the elastic members are used to absorb and disperse impact force.
[0007] As a further improvement of the present technical solution, the buffer layer includes several connecting plates and several matching plates, several of the connecting plates are arranged linearly horizontally, several of the matching plates are arranged linearly vertically, and several of the connecting plates and several matching plates are arranged in reverse to form several square grooves.
[0008] As a further improvement of the present technical solution, a plurality of elastic members are respectively arranged inside a plurality of square grooves, and the elastic members include rubber columns and elastic springs, and the elastic springs are arranged on the outer walls of the rubber columns.
[0009] As a further improvement of the present technical solution, a plurality of limit blocks are provided at the edge of one surface of the first waterproof protective plate, and a plurality of limit grooves are opened on the other surface. The first waterproof protective plate and the second waterproof protective plate are both configured as L-shaped plate structures and have the same structure.
[0010] As a further improvement of the present technical solution, the limiting block and the limiting groove are adapted to fit together, and the first waterproof protection plate and the second waterproof protection plate are formed into a closed rectangular frame structure by plugging and fitting the limiting block and the limiting groove.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] In this acid-proof and waterproof PVC board, a multi-layer composite structure design is adopted in which acid- and alkali-resistant layers are alternately superimposed on a PVC substrate, which can disperse the corrosive effects of acids and alkalis on the substrate, reduce the occurrence of water seepage, and extend the service life. By providing a buffer layer and elastic parts, the buffer layer can absorb and disperse external impact forces, preventing cracks and breakage caused by external forces. The elastic parts can deform when impacted through the coordinated use of rubber columns and elastic springs, absorbing most of the energy, thereby protecting the internal structure and reducing vibration transmission. At the same time, they can quickly return to their original shape and provide continuous resilience, ensuring that the board maintains a stable shape and performance during use, thereby extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the overall structure of the utility model;
[0015] Figure 3 This is a schematic diagram of the buffer layer structure of the present utility model;
[0016] Figure 4 For the utility model Figure 2 Schematic diagram of the structure at point A.
[0017] The meaning of each number in the figure is:
[0018] 100. Base plate; 101. Acid and alkali resistant layer; 1010. First waterproof protection plate; 1011. Second waterproof protection plate; 200. Buffer layer; 400. Elastic member; 201. Connecting plate; 202. Matching plate; 401. Rubber column; 402. Elastic spring; 1012. Limit block; 1013. Limit groove. DETAILED DESCRIPTION
[0019] With reference to the drawings of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0020] PVC plate is a kind of vacuum plastic film, which is made of PVC as raw material and has a honeycomb-like mesh structure. PVC plate is used for surface packaging of various panels, so it is also called decorative film and adhesive film, and is applied to building materials, packaging, medicine and many other industries, among which the building materials industry accounts for the largest proportion of 60%, followed by the packaging industry and other small range of application industries. According to the softness and hardness, it can be divided into soft PVC and hard PVC, according to the manufacturing process, it can be divided into PVC skin foaming plate and PVC free foaming plate, according to the transparency and opacity, it can be divided into PVC transparent plate and ordinary PVC plate.
[0021] Please refer to Figures 1-4 The present embodiment provides an acid-proof and waterproof PVC plate, which includes a substrate 100. Considering that PVC waterproof materials are easily eroded in an environment with high pH, resulting in water seepage, and the hardness of the PVC plate is relatively low, it is easily impacted by external forces and cracks, damage and other problems, which will affect its service life. Therefore, the specific implementation is as follows: the upper and lower sides of the substrate 100 are provided with acid-resistant layers 101, the top of the upper acid-resistant layer 101 is provided with a first waterproof protective plate 1010, and the bottom of the lower acid-resistant layer 101 is provided with a second waterproof protective plate 1011. A buffer layer 200 is arranged between the substrate 100 and the two acid-resistant layers 101.
[0022] The buffer layer 200 is internally provided with a plurality of elastic members 400, which are used to absorb and disperse impact force.
[0023] The improvement of the present embodiment is that:
[0024] By adopting the multi-layer composite structure design, the acid and alkali resistant layer 101 and the PVC substrate 100 are alternately stacked, which can disperse the erosion of acid and alkali on the substrate 100, reduce the occurrence of water seepage, and prolong the service life; by setting the buffer layer 200 and the elastic member 400, the buffer layer 200 can absorb and disperse external impact force, prevent cracks and damage caused by external force, and the elastic member 400 can deform when impacted, absorb most of the energy, thereby protecting the internal structure and reducing vibration transmission, while quickly restoring the original state, providing continuous resilience, ensuring that the board maintains stable shape and performance during use, and prolonging its service life.
[0025] Specifically, the buffer layer 200 includes a plurality of connecting plates 201 and a plurality of matching plates 202, the plurality of connecting plates 201 are linearly arranged horizontally, and the plurality of matching plates 202 are linearly arranged vertically, and the plurality of connecting plates 201 and the plurality of matching plates 202 are oppositely arranged to form a plurality of square grooves;
[0026] The buffer layer 200 is composed of a plurality of connecting plates 201 and matching plates 202, which are oppositely arranged horizontally and vertically to form a plurality of square grooves, which can effectively disperse impact force and improve the toughness and impact resistance of the overall structure. Among them: the design of the square groove not only increases the structural strength of the buffer layer 200, but also provides additional space to accommodate the elastic member 400, further enhancing the overall energy absorption effect, so that the board can more evenly disperse pressure when subjected to external force, reducing local stress concentration.
[0027] Secondly, a plurality of elastic members 400 are arranged in the plurality of square grooves, the elastic member 400 includes a rubber column 401 and an elastic spring 402, the elastic spring 402 is arranged on the outer wall of the rubber column 401, the rubber column 401 is used as the core part of the elastic member 400, has excellent shock absorption and aging resistance, can deform when impacted, absorb most of the energy, thereby protecting the internal structure and reducing vibration transmission; the elastic spring 402 is arranged on the outer wall of the rubber column 401, further enhancing the buffering effect, quickly restoring the original state when stressed, providing continuous resilience, ensuring that the board maintains stable shape and performance during use.
[0028] Furthermore, a plurality of limiting blocks 1012 are arranged on one surface edge of the first waterproof protective plate 1010, and a plurality of limiting grooves 1013 are arranged on the other surface, the first waterproof protective plate 1010 and the second waterproof protective plate 1011 are both arranged as L-shaped plate structures, and have the same structure;
[0029] By setting the first waterproof protection plate 1010 and the second waterproof protection plate 1011 as L-shaped plate structures, the sealing performance of the joint can be effectively increased to prevent moisture penetration; by the cooperation of the limiting block 1012 and the limiting groove 1013, the first waterproof protection plate 1010 and the second waterproof protection plate 1011 can be tightly attached during installation, and the generation of gaps can be reduced, thereby improving the waterproof effect.
[0030] In addition, the limiting block 1012 and the limiting groove 1013 are cooperatively matched, and the first waterproof protection plate 1010 and the second waterproof protection plate 1011 are surrounded by the plug-in cooperation of the limiting block 1012 and the limiting groove 1013 to form a closed rectangular frame structure.
[0031] By the plug-in cooperation of the limiting block 1012 and the limiting groove 1013 and the design of the L-shaped plate structure, the entire acid-proof and waterproof PVC plate forms a closed rectangular frame structure, so that the first waterproof protection plate 1010 and the second waterproof protection plate 1011 can be accurately aligned during installation to form a tight connection, effectively prevent moisture penetration, prevent moisture and other corrosive substances from entering the inside, and protect the substrate 100 from damage.
[0032] In specific use, the first waterproof protection plate 1010 and the second waterproof protection plate 1011 are plug-in cooperated by the limiting block 1012 and the limiting groove 1013, the sealing performance of the joint is effectively increased to prevent moisture penetration, and the acid and alkali resistant layer 101 can disperse the erosion of the acid and alkali on the substrate 100; when the outside is impacted, the buffer layer 200 and the elastic member 400 are cooperatively used, the buffer layer 200 can absorb and disperse external impact force to prevent cracks and damage caused by external force, the elastic member 400 is cooperatively used by the rubber column 401 and the elastic spring 402, can be deformed when impacted to absorb most of the energy, thereby protecting the internal structure and reducing vibration transmission, and can quickly restore to the original state to provide continuous rebound force and ensure that the plate maintains stable shape and performance during use.
[0033] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An acid-proof and waterproof PVC board, comprising a substrate (100), characterized in that: Acid and alkali resistant layers (101) are provided on both the upper and lower sides of the substrate (100), a first waterproof protection plate (1010) is installed on the top of the upper acid and alkali resistant layer (101), and a second waterproof protection plate (1011) is installed on the bottom of the lower acid and alkali resistant layer (101), and a buffer layer (200) is provided between the substrate (100) and the two acid and alkali resistant layers (101), wherein: A plurality of elastic members (400) are provided inside the buffer layer (200), and the elastic members (400) are used to absorb and disperse impact force.
2. The acid-proof and waterproof PVC board according to claim 1, characterized in that: The buffer layer (200) comprises a plurality of connecting plates (201) and a plurality of matching plates (202), wherein the plurality of connecting plates (201) are arranged linearly in a transverse direction, and the plurality of matching plates (202) are arranged linearly in a vertical direction, and the plurality of connecting plates (201) and the plurality of matching plates (202) are arranged in reverse order to form a plurality of square grooves.
3. The acid-proof and waterproof PVC board according to claim 1, characterized in that: A plurality of elastic members (400) are respectively arranged inside a plurality of square slots, and the elastic members (400) include a rubber column (401) and an elastic spring (402), and the elastic spring (402) is arranged on the outer wall of the rubber column (401).
4. The acid-proof and waterproof PVC board according to claim 1, characterized in that: A plurality of limiting blocks (1012) are provided at the edge of one surface of the first waterproof protection plate (1010), and a plurality of limiting grooves (1013) are provided on the other surface. The first waterproof protection plate (1010) and the second waterproof protection plate (1011) are both configured as L-shaped plate structures and have the same structure.
5. The acid-proof and waterproof PVC board according to claim 4, characterized in that: The limiting block (1012) and the limiting groove (1013) are adapted to cooperate with each other, and the first waterproof protection plate (1010) and the second waterproof protection plate (1011) are formed into a closed rectangular frame structure through the plug-in cooperation of the limiting block (1012) and the limiting groove (1013).