Heat-resistant flame-retardant PVC (polyvinyl chloride) sheet

Abstract

The utility model relates to the technical field A, and discloses a heat-resistant flame-retardant PVC (polyvinyl chloride) sheet, which comprises a first PVC body and a second PVC body, a splicing mechanism is arranged on opposite sides of the first PVC body and the second PVC body, the splicing mechanism comprises an inserting block and a damping block, and a splicing groove is arranged on the right side of the first PVC body. According to the heat-resistant and flame-retardant PVC sheet, the first PVC body and the second PVC body can be spliced through the splicing grooves and the inserting blocks, the effect that the first PVC body and the second PVC body are connected more stably is achieved, the first PVC body and the second PVC body can be further connected through the damping grooves and the damping blocks, and therefore the heat-resistant and flame-retardant PVC sheet has the advantages that the heat-resistant and flame-retardant effects are achieved. The first PVC body and the second PVC body are spliced more stably, dispersion during use is avoided, the problem of how to splice the first PVC body and the second PVC body more stably is solved, and the effect of avoiding dispersion during splicing can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to A technical field, concretely is a kind of heat-resistant flame-retardant PVC sheet. BACKGROUND

[0002] PVC sheet, i.e. polyvinyl chloride sheet, is a kind of widely used plastic material, and the PVC sheet has good processing performance, low manufacturing cost, corrosion resistance and insulation, and is widely used in various tools, fishing gear, toys, electronics, medical packaging and clothing industries, such as blister, paper box, packaging, printing and card making, etc., wherein the heat-resistant flame-retardant PVC sheet is a new material with improved heat resistance and flame retardance by adding flame retardant and other modifiers on the basis of traditional PVC sheet.

[0003] According to the application number CN202323636846.8, the heat-resistant flame-retardant PVC sheet solves the problem of how to improve the heat resistance and flame retardance, and at the same time, reduces the reflection of chaotic light and protects the eyes.

[0004] However, the following problems still exist in actual use:

[0005] (1) In reality, the PVC sheet needs to be cut and spliced for laying operation, but the stability of the PVC sheet during splicing is poor, and it cannot be used more stably in reality, which reduces the use effect and efficiency of the PVC sheet in reality.

[0006] (2) The adaptability of the whole PVC sheet is low, and the flame retardance is poor, which cannot be more comprehensive for flame retardant operation, so as to reduce the adaptability in reality, and is not conducive to popularization and use in reality.

[0007] Therefore, the utility model provides a heat-resistant flame-retardant PVC sheet. UTILITY MODEL CONTENTS

[0008] In view of the deficiencies of the prior art, the utility model provides a heat-resistant flame-retardant PVC sheet, which has the advantages of being more stable during splicing and being more comprehensive during flame retardant operation, and solves the problems raised in the background art.

[0009] The utility model provides following technical scheme: a kind of heat-resistant flame-retardant PVC sheet, including first PVC body and second PVC body, the opposite side of first PVC body and second PVC body is provided with splicing mechanism, the splicing mechanism includes spigot block and damping block, splicing groove is set in the right side of first PVC body, spigot block is set in the right side of first PVC body, the right side of spigot block is fixedly connected with the left side of second PVC body, the right side of damping block is fixedly connected with the left side of second PVC body, and the bottom of damping block is fixedly connected with the upper surface of spigot block.

[0010] Preferably, the inside of the first PVC body is provided with a surface layer, the lower surface of the surface layer is provided with a flame-retardant main layer, the lower surface of the flame-retardant main layer is provided with a heat-resistant reinforcing intermediate layer, and the lower surface of the heat-resistant reinforcing intermediate layer is provided with a heat-insulating buffer layer.

[0011] Preferably, the outer surface of the spigot block is inserted into the inside of the splicing groove, and the outer surface of the damping block is inserted into the inside of the damping groove.

[0012] Preferably, the bottom of the first PVC body is fixedly installed with a reinforcing strip, and the bottom of the first PVC body is fixedly installed with a triangular fastening strip.

[0013] Preferably, the opposite sides of the reinforcing strip are fixedly connected with the two sides of the triangular fastening strip, and the triangular fastening strip is evenly distributed between the opposite sides of the two groups of reinforcing strips.

[0014] Preferably, the lower surface of the heat-insulating buffer layer is provided with a second flame-retardant layer, and the lower surface of the second flame-retardant layer is provided with a bottom layer.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The heat-resistant flame-retardant PVC sheet can splice the first PVC body and the second PVC body, connect the first PVC body and the second PVC body more stably, further connect the first PVC body and the second PVC body through the damping groove and the damping block, make the splicing more stable, avoid dispersion during use, solve the problem of how to make the splicing more stable, avoid dispersion during splicing, ensure the stability during splicing, and improve the use effect and efficiency in reality.

[0017] 2、The heat-resistant flame-retardant PVC sheet, by the use of the surface layer, the surface layer is usually a PVC material treated specially, which may contain ultraviolet absorbers, antistatic agents and other additives, the ultraviolet absorbers such as benzotriazole compounds can effectively prevent the damage of ultraviolet rays to the PVC sheet, the antistatic agent can reduce the generation of surface static electricity, the ultraviolet absorber can avoid the problems of aging, discoloration and brittleness of the PVC sheet due to long-term exposure to sunlight, by using the flame-retardant main body layer, mainly adding high-efficiency flame retardant PVC resin, the flame retardant can be bromine-based flame retardant (such as decabromodiphenyl ethane), nitrogen-based flame retardant (such as melamine cyanurate), and also contains stabilizers, such as organic tin stabilizers, to ensure the stability of the material during processing and use, which can rapidly decompose to produce non-combustible gas, dilute the oxygen concentration around, and form a carbon layer on the surface of the material, which can prevent the further spread of fire and greatly improve the fireproof performance of the PVC sheet, by using the heat-resistant reinforcing intermediate layer, glass fiber and PVC composite material are used to enhance the carrying capacity of the whole in a high temperature environment, so that it is not easy to deform, by using the heat-insulating buffer layer, the PVC material containing ceramic microbeads or hollow glass microspheres can effectively block the transfer of heat and reduce the conduction of heat in the sheet, and also can buffer the external impact force, and is excellent in high-temperature heat insulation and impact resistance, and can be used in occasions that require heat insulation and may be subjected to certain external impact, by using the second flame-retardant layer, the PVC resin containing flame retardant is also added, but some lubricants such as zinc stearate are also added to improve the processing performance and further enhance the flame-retardant performance of the PVC sheet, forming a double flame-retardant protection, when the first flame-retardant layer fails or encounters a stronger fire source, the second flame-retardant layer can continue to play a flame-retardant role, improving the fireproof reliability of the material, by using the bottom layer, the material is a PVC material containing corrosion inhibitor, which can be zinc chrome yellow, which can prevent the bottom of the sheet from being eroded by chemical substances, prolonging the service life, and being suitable for environments that may contact corrosive substances, such as the floor and wall protection of a chemical plant, thereby solving the problem of how to improve the overall flame-retardant performance, achieving a more comprehensive flame-retardant operation effect, and improving the overall adaptability in practice, which is beneficial to the popularization and use of the PVC sheet in practice. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the bottom structure of the utility model; Figure 1

[0020] Figure 3 It is a schematic diagram of the splicing mechanism structure of the utility model; Figure 1 ​​

[0021] Figure 4 The utility model discloses Figure 1 The internal structure diagram of PVC sheet.

[0022] In the drawing: 1, first PVC body, 2, second PVC body, 3, reinforcing strip, 4, triangular fastening strip, 5, splicing groove, 6, damping groove, 7, plug-in block, 8, damping block, 9, surface layer, 10, flame-retardant main layer, 11, heat-resistant reinforced intermediate layer, 12, heat-insulating buffer layer, 13, second flame-retardant layer, 14, bottom layer, 15, splicing mechanism. Specific implementation

[0023] The technical scheme 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figure 3 A kind of heat-resistant flame-retardant PVC sheet, including first PVC body 1 and second PVC body 2, first PVC body 1 and second PVC body 2 are provided with splicing mechanism 15 on opposite sides, splicing mechanism 15 includes plug-in block 7 and damping block 8, splicing groove 5 is set up in the right side of first PVC body 1, plug-in block 7 is set up in the right side of first PVC body 1, the right side of plug-in block 7 is fixedly connected with the left side of second PVC body 2, the right side of damping block 8 is fixedly connected with the left side of second PVC body 2, and the bottom of damping block 8 is fixedly connected with the upper surface of plug-in block 7, the outer surface of plug-in block 7 is inserted with the inside of splicing groove 5, the outer surface of damping block 8 is inserted with the inside of damping groove 6, by the use of plug-in block 7 and damping block 8 and splicing groove 5 and damping groove 6, the effect of avoiding dispersion when splicing can be achieved, the nature of when splicing is guaranteed, and the use effect and efficiency in reality are improved.

[0025] Please refer to Figure 4 The inside of first PVC body 1 is provided with surface layer 9, the lower surface of surface layer 9 is provided with flame-retardant main layer 10, the lower surface of flame-retardant main layer 10 is provided with heat-resistant reinforced intermediate layer 11, the lower surface of heat-resistant reinforced intermediate layer 11 is provided with heat-insulating buffer layer 12, the lower surface of heat-insulating buffer layer 12 is provided with second flame-retardant layer 13, the lower surface of second flame-retardant layer 13 is provided with bottom layer 14, by the use of surface layer 9, flame-retardant main layer 10, heat-resistant reinforced intermediate layer 11, heat-insulating buffer layer 12, second flame-retardant layer 13 and bottom layer 14, the effect of more comprehensive flame-retardant operation can be achieved, and the adaptability in actuality is also improved, which is conducive to the popularization and use of PVC sheet in actuality.

[0026] Please refer to Figure 1 and Figure 2 The bottom of the first PVC body 1 is fixedly provided with a reinforcing strip 3, the bottom of the first PVC body 1 is fixedly provided with a triangular reinforcing strip 4, the opposite sides of the reinforcing strip 3 are fixedly connected with the two sides of the triangular reinforcing strip 4, and the triangular reinforcing strip 4 is evenly distributed between the opposite sides of the two groups of reinforcing strips 3. Through the use of the reinforcing strip 3 and the triangular reinforcing strip 4, the stability of the first PVC body 1 and the second PVC body 2 during use can be ensured, external interference during use can be avoided, the use stability in reality can be improved, and certain adaptability in reality can also be improved.

[0027] The working principle is that when the PVC sheet is spliced for use, the left side of the second PVC body 2 is fixedly provided with a plug-in block 7, and the upper surface of the plug-in block 7 is fixedly provided with a damping block 8. The position of the damping block 8 is connected between the splicing groove 5 and the damping groove 6, the outer surface of the plug-in block 7 is inserted into the splicing groove 5, and the outer surface of the damping block 8 is connected with the inner part of the damping groove 6, so that the first PVC body 1 and the second PVC body 2 can be spliced. When the splicing is completed and used, the bottom of the first PVC body 1 and the second PVC body 2 is fixedly provided with the reinforcing strip 3, the stability of the first PVC body 1 and the second PVC body 2 as a whole can be ensured, the triangular reinforcing strip 4 is installed between the reinforcing strips 3, the position of the reinforcing strip 3 is further ensured, and the effect of being more stable during use in reality is achieved.

[0028] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device that includes a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or device.

[0029] Although the embodiments of the present application 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 these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A heat-resistant and flame-retardant PVC sheet, characterized in that: The system includes a first PVC body (1) and a second PVC body (2). A splicing mechanism (15) is provided on the opposite sides of the first PVC body (1) and the second PVC body (2). The splicing mechanism (15) includes a plug block (7) and a damping block (8). A splicing groove (5) is provided on the right side of the first PVC body (1). A plug block (7) is provided on the right side of the first PVC body (1). The right side of the plug block (7) is fixedly connected to the left side of the second PVC body (2). The right side of the damping block (8) is fixedly connected to the left side of the second PVC body (2). The bottom of the damping block (8) is fixedly connected to the upper surface of the plug block (7).

2. The heat-resistant and flame-retardant PVC sheet according to claim 1, characterized in that: The first PVC body (1) has an inner surface layer (9), the lower surface of the surface layer (9) has a flame-retardant main body layer (10), the lower surface of the flame-retardant main body layer (10) has a heat-resistant reinforced intermediate layer (11), and the lower surface of the heat-resistant reinforced intermediate layer (11) has a heat-insulating buffer layer (12).

3. The heat-resistant and flame-retardant PVC sheet according to claim 1, characterized in that: The outer surface of the plug-in block (7) is plugged into the inside of the splicing groove (5), and the outer surface of the damping block (8) is plugged into the inside of the damping groove (6).

4. The heat-resistant and flame-retardant PVC sheet according to claim 1, characterized in that: A reinforcing strip (3) is fixedly installed at the bottom of the first PVC body (1), and a triangular fastening strip (4) is fixedly installed at the bottom of the first PVC body (1).

5. The heat-resistant and flame-retardant PVC sheet according to claim 4, characterized in that: The opposite sides of the reinforcing strip (3) are fixedly connected to the two sides of the triangular fastening strip (4), and the positions of the triangular fastening strip (4) are evenly distributed between the opposite sides of the two sets of reinforcing strips (3).

6. The heat-resistant and flame-retardant PVC sheet according to claim 2, characterized in that: The lower surface of the heat insulation buffer layer (12) is provided with a second flame retardant layer (13), and the lower surface of the second flame retardant layer (13) is provided with a bottom layer (14).

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