CN116657779A - A heat-insulating and sound-insulating composite board assembled with foaming expansion buckle lock - Google Patents

Abstract

The invention relates to a heat-insulating, heat-insulating and sound-insulating composite board assembled with foaming expansion buckles, comprising a first composite laminate, a second composite laminate, and a plastic vertical board, and the first composite laminate is also provided with a first nesting groove , the second composite layer board is also provided with a second nesting groove, the first nesting groove and the second nesting groove are a connecting groove structure with a narrow notch and a wide groove body, and the plastic vertical plate There is also a nesting head that is wide on the outside and narrow on the inside. The first composite laminate and the second composite laminate are assembled together through the nesting head and the first nesting groove and the second nesting groove. Between the vertical board and the plastic vertical board, there are spaced cavity holes, and foaming materials are filled in each spaced cavity hole, and the foaming and expansion characteristics of the foaming material are used to make the first composite laminate and the second composite laminate , The plastic vertical plates are closely assembled to form a whole. The entire composite board has thick thickness, high strength, light weight, good deformation resistance and excellent thermal insulation and sound insulation effects.

Description

A heat-insulating and sound-insulating composite board assembled with foaming expansion buckle lock

technical field

The invention relates to the field of composite boards, in particular to a composite board.

Background technique

At this stage, all kinds of composite panels sold in the market, whether it is aluminum alloy and plastic composite, or aluminum alloy and other material panels, or between non-metallic panels and metal panels, all without exception need to use glue. For bonding. The following is an example of aluminum alloy sheet and plastic sheet to explain in detail the shortcomings of the composite sheet produced in this way:

First, the aluminum alloy sheet and the plastic sheet are produced separately, and the two are directly bonded together by glue bonding, which mainly has the following deficiencies: First, the aluminum alloy sheet and the plastic sheet are directly contacted and bonded together. The thermal insulation effect is poor; because the aluminum alloy sheet has heat absorption and good thermal conductivity, the aluminum alloy absorbs heat and directly transfers it to the plastic sheet. The second is that the glue between the aluminum alloy sheet and the plastic sheet is prone to aging during the use of the composite sheet, and the phenomenon of separation between the two is prone to occur, the reliability and durability are poor, and the glue contains relatively high There are many harmful substances such as toluene and formaldehyde, which are not environmentally friendly. The third is that the overall strength of the composite plate is not high, and it is prone to deformation and bending; if the structural strength is to be improved, the thickness of the aluminum alloy plate must be greatly increased to overcome this shortcoming, but this is followed by , the production cost of the whole composite sheet also increases substantially, and its weight also increases exponentially.

In view of the various deficiencies mentioned above in the existing composite boards, it is necessary to comprehensively improve its structure and production methods so that it can better meet the needs of industrial production applications and home decoration applications.

Contents of the invention

The purpose of the present invention is to solve the above-mentioned problems and deficiencies, and to provide a heat-insulating, heat-insulating and sound-insulating composite board assembled with foaming expansion buckles. The second composite laminate is assembled and connected together, and a spacer hole is formed between them and a foaming material is filled in the spacer hole, and the foaming and expansion characteristics of the foaming material are used to make the first composite laminate and The second composite laminate is reliably and firmly combined into an integral, thicker, high-strength, and light-weight composite sheet, and the connection of the plastic vertical plate and the foaming material can effectively isolate the heat transfer of the aluminum alloy And sound transmission, so that the entire composite board has excellent thermal insulation and sound insulation effect.

The technical solution of the present invention is realized in the following way: a heat-insulating, heat-insulating and sound-insulating composite board assembled with foaming expansion buckle, which is characterized in that it includes a first composite laminate, a second composite laminate, and a plastic vertical board, wherein the The inner side of the first composite laminate is further provided with several integrally formed first nesting grooves; the inner side of the second composite laminate is also provided with several integrally formed second nesting grooves; The first nesting groove and the second nesting groove are a connecting groove structure with a narrow notch and a wide groove body; the upper side and the lower side of the plastic vertical plate along its length direction are Nesting heads that are wide on the outside and narrow on the inside are respectively provided; the first composite laminate and the second composite laminate are respectively connected to the first nesting groove and the second nesting groove through the nesting heads on the plastic vertical plate and the lower side. The two nesting grooves are nested and connected to assemble together, and a spacer hole is also formed between the plastic vertical plate and the plastic vertical plate between the first composite laminate and the second composite laminate, and each spacer cavity hole It is also filled with foaming material, using the foaming expansion characteristics of the foaming material, so that the first composite laminate, the second composite laminate, and the plastic vertical board are closely and firmly connected to each other to form an integral foaming expansion buckle The thermal insulation and sound insulation composite board body of the lock assembly.

Further, the present invention also includes a transverse connecting plate, and the left side and the right side of the transverse connecting plate along its length direction are respectively provided with nesting heads which are wide on the outside and narrow on the inside. A number of perforations are provided on the ground; a third nested groove is also provided on the side of the plastic vertical plate, and the third nested groove is a connecting groove structure with a narrow notch and a wide groove body, which is narrow on the outside and wide on the inside; The horizontal connecting plate is installed in the interval cavity through the nesting heads on both sides of the nesting head respectively nested with the third nesting grooves of the plastic vertical plates on both sides of the interval cavity, so as to align the two sides of the interval cavity. The plastic vertical plate forms a tension connection structure with balanced tension, and the foam material is filled in the spacer cavity and penetrates into each perforation of the transverse connection plate.

Still further, the plastic vertical board is composed of a metal frame and a plastic cladding layer covering the surface of the metal frame.

Still further, the metal skeleton is composed of vertical slats, upper horizontal slats, and lower horizontal slats, and upper and lower slats that are symmetrically arranged are also provided on the sides of the vertical slats.

Beneficial effects of the present invention: the present invention adopts the above-mentioned special assembly structure design, and scientifically adopts plastic vertical boards to assemble and connect the first composite laminate and the second composite laminate to effectively cut off the first composite laminate. The plate transmits heat or cold energy to the second composite laminate; at the same time, a spacer hole is formed between them, and by filling the spacer hole with a foam material, the foaming expansion characteristic of the foam material is used to make the The nested connection between the plastic vertical plate and the first composite laminate, and the nested connection between the plastic vertical plate and the second composite laminate are expanded, tightened and filled tightly, effectively eliminating and filling the gap between the assembled nests. gap, so that the nested locks between them are very tight, and there will be no loosening or tripping, so that the first composite laminate and the second composite laminate can be reliably and firmly combined into one integral, thick , high-strength, light-weight composite sheet, the obtained composite sheet not only uses the plastic vertical board and foam material to effectively isolate the heat transfer, cold transfer and sound transmission of the aluminum alloy, but also uses the plastic vertical board to connect the pull The tight fit of the foam material prevents the first composite laminate from being separated from the second composite laminate, is firmly connected, is not easily deformed, is light in weight, is environmentally friendly, safe and durable. The present invention does not require glue like traditional composite boards, and has many composite layers, high processing cost, easy aging and peeling off, and the like. The invention has fewer composite layers, is convenient to process, and has great cost advantages. The composite board of the present invention can be widely used in buildings, furniture cabinets, caravan compartments, motor train compartments, yacht compartments and aircraft furniture.

Description of drawings

FIG. 1 is a schematic cross-sectional structure diagram of Solution 1 of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of Solution 1 of the present invention after splicing and assembling together.

Fig. 3 is a schematic diagram of a cross-sectional structure of the second solution of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the scheme 2 of the present invention after splicing and assembling together.

Fig. 5 is a schematic cross-sectional structure diagram of the third solution of the present invention.

Fig. 6 is a schematic view of the front structure of the horizontal connecting plate of the present invention.

Fig. 7 is a schematic cross-sectional structure diagram of the plastic vertical plate of the present invention.

Detailed ways

As shown in Fig. 1 or Fig. 5, a heat-insulating, heat-insulating and sound-insulating composite panel assembled with foaming expansion buckle according to the present invention includes a first composite laminate 1, a second composite laminate 2, and a plastic vertical board 3, in

As shown in Fig. 1 and the partial enlarged view on the left side of Fig. 1, a plurality of integrally formed first nesting grooves 4 are also provided on the inner side of the first composite laminate 1; correspondingly, as shown in Fig. 5 and the partial enlarged view on the left side of Fig. 5, the inner side of the second composite laminate 2 is also provided with several second nesting grooves 5 integrally processed and formed; and the first nesting groove 4 and the second nesting groove 5 are a connecting groove structure with a narrow notch and a wide groove body, with the top narrow and the bottom wide. Correspondingly, as shown in Fig. 1 or Fig. 5 or Fig. 7, the upper side and the lower side of the plastic vertical plate 3 along its length direction are respectively provided with nesting heads which are wide on the outside and narrow on the inside. 6.

As shown in Figures 1 and 5, the first composite laminate 1 and the second composite laminate 2 are respectively connected to the first nesting groove 4 and the second nesting groove 4 through the nesting heads 6 on the upper and lower sides of the plastic vertical board 3 The two nesting grooves 5 are nested and connected to assemble together, and a spacer hole 7 is also formed between the plastic vertical plate 3 and the plastic vertical plate 3 between the first composite laminate 1 and the second composite laminate 2 , foaming material 8 is also filled in each interval cavity 7, and the foaming and expansion characteristics of foaming material 8 are utilized to make the first composite laminate 1, the second composite laminate 2, and the plastic vertical plate 3 interact with each other. Tightly and firmly connected to form an integral thermal insulation and sound insulation composite board body 10 assembled with foaming expansion locks. Through the special structural design mentioned above, the first composite laminate and the second composite laminate are scientifically assembled and connected together by plastic vertical plates, so as to effectively cut off the first composite laminate from transferring heat or cold energy to the second composite laminate. The two composite laminates are formed with spaced cavity holes between them, and foaming materials are filled in the spaced cavity holes, and the foaming expansion characteristics of the foamed materials are used to make the plastic vertical plate and the first composite laminated plate The nested connection, and the nested connection between the plastic vertical plate and the second composite laminate are expanded and tightened and filled tightly, so that the first composite laminate and the second composite laminate can be reliably and firmly combined into an integral, Thick, high-strength, light-weight composite sheet, through the original structure shown in Figure 1 or Figure 5, it can be clearly drawn that the composite sheet of the present invention has a thicker thickness than the traditional one, is not easily deformed, and utilizes The expansion and tension characteristics of the foam filling material, as well as the tension assembly of the plastic vertical board, the strength of the composite board is greatly improved, and the weight is light and easy to handle; the foam material has better thermal insulation and sound insulation effects , so that the composite board has good thermal insulation performance and good sound insulation effect, and the plastic vertical board has poor thermal conductivity, which cuts off the possibility of heat transfer from the aluminum alloy board to the second composite board.

In the specific implementation process, the plastic vertical board 3 of the present invention can be integrally processed and formed with the second composite laminate 2 , as shown in Fig. 1 , Fig. 2 and Fig. 4 . Of course, as shown in FIG. 3 and FIG. 5 , the plastic vertical board 3 and the second composite laminate 2 can also be made into separate structures that are independent of each other. In addition, it needs to be specially explained that the positions of the nesting head 6 and the first nesting groove 4 and the second nesting groove 5 are interchangeable, that is, the positions of the first nesting groove 4 and the second nesting groove 5 are respectively arranged on the upper and lower sides of the plastic vertical board 3, and the nesting heads 6 are respectively arranged on the inner sides of the second composite laminate 2 and the first composite laminate 1.

In order to further increase the structural strength of the composite plate of the present invention, as shown in Figure 5 and Figure 6, the present invention also includes a transverse connecting plate 20, the left and right sides of the transverse connecting plate 20 along its length direction Nesting heads 6 that are wide on the outside and narrow on the inside are respectively provided, and several perforations 201 are uniformly provided on the transverse connecting plate 20 . At this time, correspondingly, a third nesting groove 9 is also provided on the side of the plastic vertical plate 3, and the third nesting groove 9 is a connection with a narrow opening and a wide groove body. Groove structure. Said cross connecting plate 20 is installed in the interval chamber hole 7 through the nesting heads 6 on both sides thereof respectively nested and connected with the third nesting groove 9 of the plastic vertical plate 3 on both sides in the interval chamber hole 7. A tension connection structure with balanced tension is formed on the plastic vertical plates 3 on both sides of the spacer hole 7, and the foam material 8 is filled in the spacer hole 7 and penetrates into each perforation 201 of the transverse connection plate 20, The foam material 8 is coated and filled on the transverse connecting plate 20, so that the strength of the entire composite plate is better, the deformation resistance is higher, and the applicable occasions are wider and wider.

In order to further improve the structural strength of the plastic vertical plate 3, so that it has excellent strength performance, it can be applied to the composite plate, which can further improve the compression resistance and deformation resistance of the composite plate. As shown in Figure 7, the plastic vertical plate Plate 3 is made of metal skeleton part 31 and the plastic cladding layer 32 that is coated on the surface of this metal skeleton part 31, and the metal skeleton part 31 in the middle plays the intensity performance that increases plastic vertical board 3, and described plastic cladding layer 32 Then the heat transfer can be reduced or cut off, so that no heat transfer occurs between the first composite laminate 1 and the second composite laminate 2, and the thermal insulation can be ensured.

In order to make all parts of the plastic vertical board 3 have higher structural strength, as shown in Figure 7, the metal skeleton part 31 is composed of a vertical strip 311, an upper horizontal strip 312, and a lower horizontal strip 313. On the side of the slats 311, there are also upper grooved bars 314 and lower grooved bars 315 arranged symmetrically. The plastic cladding layer 32 is clad along the shape of the entire metal frame 31 .

In order to further enhance the structural strength of the first composite laminate 1 and the second composite laminate 2, as shown in Figures 1 to 5, the inner surfaces of the first composite laminate 1 and the second composite laminate 2 A plurality of reinforcing ribs 30 are respectively provided on the top, and holes 301 are also provided on the reinforcing ribs 30 . This rib 30 can both increase the structural strength of the first composite laminate 1 and the second composite laminate 2, and in practical applications, the hole 301 of the rib 30 can be used as a screw position to increase Convenience of composite sheet applications.

In order to facilitate the splicing of composite panels into larger panels, or in application, it can be spliced into larger panels, reducing the connection gap between composite panels and reducing the difficulty of splicing applications. As shown in FIG. 1 , a male fastening part 40 is provided on one side of the first composite laminate 1 , and a female fastening part 50 is also provided on the other side of the first composite laminate 1 ; One side of the second composite laminate 2 is further provided with a male fastening portion 40 , and the other side of the second composite laminate 2 is further provided with a female fastening portion 50 . As shown in FIG. 2 , the composite panel body 10 and the composite panel body 10 can be spliced together by interlocking the male fastening portion 40 and the female fastening portion 50 . On this basis, in order to further improve the firmness of splicing between the composite panel body 10 and the composite panel body 10, as shown in Figures 1 and 2, the first composite laminate 1 is also provided with left end surfaces on both sides. The extension plate 60 and the right end extension plate 70 ; the left end extension plate 60 and the right end extension plate 70 are respectively provided on the end surfaces of both sides of the second composite laminate 2 . During use, the composite sheet body 10 and the composite sheet body 10 are assembled and fastened to each other through the male fastening portion 40 and the female fastening portion 50 of the first composite laminate 1 , and the male fastening portion of the second composite laminate 2 40 and the female fastening part 50 are assembled and buckled together to realize mutual splicing together. The left-end extension plate 60 and the right-end extension plate 70 are in butt joint, and are screwed between the left-end extension plate 60 and the right-end extension plate 70 300 for fixation. At this time, in order to facilitate the screwing of the screw 300 , as shown in FIG. 2 , generally, a hole 400 is first opened in the composite board body 10 .

In addition to the splicing method described above, the splicing between the composite panel body 10 and the composite panel body 10 can also be like this: as shown in FIG. 3 , on one side of the first composite plywood 1 An upper buckle part 80 is also provided, and a lower buckle part 90 is also provided on one side of the first composite laminate 1; an upper buckle part is also provided on one side of the second composite laminate 2 80 , a lower buckle portion 90 is further provided on one side of the second composite laminate 2 . At this time, as shown in FIG. 4 , the present invention also includes a spliced cover buckle strip 100 , and fastening portions 1001 are respectively provided on both sides of the bottom surface of the spliced cover buckle strip 100 . The composite panel body 10 and the composite panel body 10 are interlocked by the upper buckle part 80 and the lower buckle part 90 of the first composite laminate 1, and the upper buckle part 80 and the lower buckle part of the second composite laminate 2 are connected together. The buckle parts 90 are interlocked to realize mutual splicing together, and the screw 400 is vertically locked between the upper buckle part 80 and the lower buckle part 90 for fixing; the upper buckle part 80 and the lower buckle part 90 There is also a fastening groove 200 enclosed between them, and fastening convex parts are respectively arranged on the groove walls on both sides of the fastening groove 200. The parts are fastened and installed in the fastening groove 200, so as to cover the fastening groove 200, the screw 400, etc., so that the board surface is more orderly, smooth and beautiful.

The first composite laminate 1 and the second composite laminate 2 are aluminum alloy plates, or stainless steel plates, or iron plates, or wood plates, or plastic plates, or natural stone plates, or artificial stone plates, or ceramic tile plates, etc. wait. The present invention can use these floor materials, according to the needs of actual use, and according to the above-mentioned structural design, composite boards containing these material boards are compositely assembled, but one thing that remains unchanged is that the plastic vertical board 3 must be Plastic material, or a metal vertical plate covered with plastic, for the purpose of blocking heat transfer.

In addition, because the obtained composite board of the present invention has a thicker thickness and good thermal insulation performance, when it is used as a wall or other functional boards such as electric wires and water pipes, it is also possible to arrange electric wires and pipelines in the spacer cavity 7 , water pipes, heating pipes, etc. At this time, in order to facilitate the fixing and installation of facilities such as wire pipelines, water pipes, heating pipelines, etc., as shown in Figure 3, the present invention can also be used on the inner side of the first composite laminate 1 or the second composite laminate 2. A pipe clip 110 and a clip seat 120 are provided, the pipe clip 110 is provided with a pipe bayonet 130 and an embedded seat 140, the clip seat 120 is provided with a card slot 150, and the embedded seat 140 is arranged to The matching shape of the card slot 150, the pipe clip 110 is embedded in the card slot 150 of the clip seat 120 through its embedded seat 140, and the pipe body of the wire pipeline, water pipe, and heating pipeline is buckled into In the pipe bayonet 130, it can be fixed in the composite plate and will not move randomly.

The description of the above structural solutions is the embodiment of the preferred implementation mode of the present invention, but it does not represent a limitation to the protection scope of the technical solutions of the present invention. It should be pointed out here that for those of ordinary skill in the art, without departing from the concept of the present invention, some modifications and improvements can also be made. These modifications and improvements all belong to the protection scope of the present invention and fall into the The scope of protection of the present invention.

Claims (10)

1. The utility model provides a thermal-insulated sound insulation composite board of foaming inflation padlock assembly which characterized in that: comprises a first composite laminate (1), a second composite laminate (2) and a plastic vertical plate (3), wherein

The inner side surface of the first composite laminate (1) is also provided with a plurality of first nesting grooves (4) which are integrally formed;

a plurality of second nesting grooves (5) which are integrally formed are also formed in the inner side surface of the second composite laminate (2);

the first nesting groove (4) and the second nesting groove (5) are of a connecting groove structure with narrow notch and wide groove body, and the upper part is narrow and the lower part is wide;

nesting heads (6) with wide outer side and narrow inner side are respectively arranged on the upper side and the lower side of the plastic vertical plate (3) along the length direction;

the first composite laminate (1) and the second composite laminate (2) are assembled together by nesting connection of nesting heads (6) on the upper side and the lower side of the plastic vertical plate (3) with the first nesting groove (4) and the second nesting groove (5) respectively, a spacing cavity (7) is formed between the plastic vertical plate (3) and the plastic vertical plate (3) between the first composite laminate (1) and the second composite laminate (2), foaming materials (8) are filled in the spacing cavity (7), and the foaming expansion characteristics of the foaming materials (8) are utilized to enable the first composite laminate (1), the second composite laminate (2) and the plastic vertical plate (3) to be tightly and firmly connected with each other to form an integral composite board body (10).

2. The foam expansion padlock assembled thermal insulation sound insulation composite board of claim 1, wherein: the novel horizontal connecting plate comprises a horizontal connecting plate (20), nesting heads (6) with wide outer sides and narrow inner sides are respectively arranged on the left side edge and the right side edge of the horizontal connecting plate (20) along the length direction, and a plurality of perforations (201) are uniformly arranged on the horizontal connecting plate (20);

a third nested groove (9) is further formed in the side face of the plastic vertical plate (3), and the third nested groove (9) is of a connecting groove structure with a narrow notch and a wide groove body, and is narrow outside and wide inside;

the transverse connection plates (20) are respectively connected with third nesting grooves (9) of the plastic vertical plates (3) at two sides in the spacing cavity holes (7) in a nesting manner through nesting heads (6) at two sides of the transverse connection plates so as to form a balanced and tensioned tensioning connection structure for the plastic vertical plates (3) at two sides in the spacing cavity holes (7), and the foaming materials (8) are filled in the spacing cavity holes (7) and invade into all the perforations (201) penetrating through the transverse connection plates (20).

3. The foam expansion padlock assembled thermal insulation and sound insulation composite board of claim 2, wherein: the plastic vertical plate (3) is composed of a metal framework (31) and a plastic coating layer (32) coated on the surface of the metal framework (31).

4. A foamed expansion latch assembled thermal insulation sound insulation composite board according to claim 3, wherein: the metal framework (31) is composed of a vertical plate strip (311), an upper transverse plate strip (312) and a lower transverse plate strip (313), and an upper splicing groove strip (314) and a lower splicing groove strip (315) which are symmetrically arranged are further arranged on the side face of the vertical plate strip (311).

5. The foam expansion padlock assembled thermal insulation sound insulation composite board of claim 1, wherein: the inner side surfaces of the first composite laminate (1) and the second composite laminate (2) are respectively provided with a plurality of reinforcing ribs (30), and the reinforcing ribs (30) are also provided with hole grooves (301).

6. The foam expansion padlock assembled thermal insulation sound insulation composite board of claim 1, wherein: a male buckling part (40) is further arranged on one side edge of the first composite laminate (1), and a female buckling part (50) is further arranged on the other side edge of the first composite laminate (1); a male buckling part (40) is further arranged on one side edge of the second composite laminate (2), and a female buckling part (50) is further arranged on the other side edge of the second composite laminate (2).

7. The foam expansion padlock assembled thermal insulation sound insulation composite board of claim 6, wherein: the end faces of the two sides of the first composite laminate (1) are respectively provided with a left end extension plate (60) and a right end extension plate (70);

the end surfaces of the two sides of the second composite laminate (2) are respectively provided with a left end extension plate (60) and a right end extension plate (70);

the composite board body (10) and the composite board body (10) are mutually assembled and fastened through the male fastening part (40) and the female fastening part (50) of the first composite board (1) and mutually assembled and fastened through the male fastening part (40) and the female fastening part (50) of the second composite board (2), the left-end extension board (60) and the right-end extension board (70) are in butt joint, and are fixed through locking screws between the left-end extension board (60) and the right-end extension board (70).

8. The foam expansion padlock assembled thermal insulation sound insulation composite board of claim 1, wherein: an upper hasp part (80) is further arranged on one side edge of the first composite laminate (1), and a lower hasp part (90) is further arranged on one side edge of the first composite laminate (1); an upper hasp portion (80) is further arranged on one side edge of the second composite laminate (2), and a lower hasp portion (90) is further arranged on one side edge of the second composite laminate (2).

9. The foam expansion padlock assembled thermal insulation sound insulation composite board of claim 8, wherein: the novel splice cover buckle comprises a splice cover buckle body (100), wherein buckling parts (1001) are respectively arranged on two sides of the bottom surface of the splice cover buckle body (100);

the composite board body (10) and the composite board body (10) are mutually spliced together through the mutual buckling of the upper buckling part (80) and the lower buckling part (90) of the first composite board (1) and the mutual buckling of the upper buckling part (80) and the lower buckling part (90) of the second composite board (2), and screws are vertically locked between the upper buckling part (80) and the lower buckling part (90) for fixing; the upper hasp part (80) and the lower hasp part (90) are also surrounded to form a buckling groove (200), buckling convex parts are further arranged on groove walls at two sides of the buckling groove (200) respectively, and the splicing cover buckle plate strip (100) is buckled with the buckling convex parts through the buckling parts (1001) and is arranged in the buckling groove (200).

10. The foam expansion padlock assembled thermal insulation sound insulation composite board of claim 1, wherein: the first composite laminate (1) and the second composite laminate (2) are respectively aluminum alloy plates, stainless steel plates, iron plates, wood plates, plastic plates, natural stone plates, artificial stone plates or ceramic tile plates.