A moisture-resistant LVT floor and a preparation process thereof

Abstract

The application discloses a kind of wet-resistant LVT floor and preparation process thereof.It includes floor body, and the opposite two side walls of floor body are respectively provided with turn-up one and turn-up two, turn-up one and turn-up two are mutually matched and are staggered distribution up and down, the bottom surface of turn-up one is provided with assembly slot, the side of assembly slot away from floor body is provided with guide inclined plane one, guide inclined plane one is inclined from the opening of assembly slot to the bottom surface of assembly slot towards the direction of floor body, the top surface of turn-up two is provided with assembly block matched with assembly slot, the side of assembly block close to floor body is provided with guide inclined plane two matched with guide inclined plane one, guide inclined plane two and guide inclined plane one are arranged in parallel, assembly block is further provided with lock head structure, and the inner wall of assembly slot is provided with locking hole matched with lock head structure.The beneficial effects of the application are: the connection tightness between two floor bodies is improved, no gap appears, the wet-resistant effect is good, and the heat preservation effect of floor body is improved.

Description

Technical Field

[0001] This invention relates to the field of flooring technology, and in particular to a moisture-resistant LVT floor and its manufacturing process. Background Technology

[0002] LVT flooring is a very popular lightweight floor covering material in the world, also known as "lightweight material". It is widely used in various places such as homes, hospitals, schools, office buildings, factories, public places, supermarkets, and commercial spaces.

[0003] Chinese Patent Announcement No. CN213837533U, authorized on July 30, 2021, discloses an LVT floor with sound-absorbing function, comprising a UV surface layer, a polymer intermediate layer, and a connecting plate. A polymer wear-resistant layer is disposed below the UV surface layer, a colored film decorative layer is disposed below the polymer wear-resistant layer, a sponge layer is disposed below the colored film decorative layer, a polymer intermediate layer is disposed below the sponge layer, a connecting plate is disposed on one side of the polymer intermediate layer, a fixing hole is disposed on the connecting plate, and a fixing pin is disposed in the fixing hole; a connecting groove is disposed on the other side of the polymer intermediate layer; a sound-absorbing layer is disposed below the polymer intermediate layer, and a composite substrate layer is disposed below the sound-absorbing layer. The shortcoming of this patent is that the two adjacent LVT floorboards are simply spliced ​​together and are not tightly joined. After a long period of use, the two floorboards will loosen and form large gaps. Moisture can easily enter the floorboards through the gaps. Over time, the floorboards will become damp and moldy, as well as corroded, which will seriously affect the performance of the floorboards and reduce their service life.

[0004] In summary, there is a current need for a moisture-resistant LVT floor that has a tight connection and will not loosen, as well as its manufacturing process. Summary of the Invention

[0005] This invention aims to overcome the shortcomings of existing technologies where adjacent LVT floorboards are simply spliced ​​together, resulting in a loose connection. After prolonged use, the two floorboards become loose, forming large gaps. Moisture can easily seep into the floorboards through these gaps, eventually leading to mold growth and corrosion inside the floorboards. This severely affects the performance and reduces the lifespan of the floorboards. The invention provides a moisture-resistant LVT floorboard with a tight connection that eliminates gaps, along with its manufacturing process.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A moisture-resistant LVT floor and its manufacturing process include a floor body. Two flanges, a first flange and a second flange, are respectively provided on opposite side walls of the floor body. The first flange and the second flange are matched and staggered vertically. The bottom surface of the first flange has an assembly groove. A guide slope, a first guide slope, is provided on the side of the assembly groove away from the floor body. The guide slope, a first guide slope, slopes from the opening of the assembly groove to the bottom surface of the assembly groove towards the floor body. The top surface of the second flange has an assembly block that matches the assembly groove. The side of the assembly block closest to the floor body has a guide slope, a second guide slope that matches the first guide slope. The second guide slope and the first guide slope are arranged parallel to each other. The assembly block also has a locking structure. The inner wall of the assembly groove has a locking hole that matches the locking structure.

[0007] During assembly, the two floorboards are joined by flange one on one floorboard and flange two on the other floorboard using an assembly groove and assembly block. As the assembly block is inserted into the assembly groove, the guide surfaces one and two gradually bring the two floorboards closer together and eventually press them tightly together, significantly improving the connection tightness and eliminating gaps, resulting in excellent moisture resistance. The locking mechanism automatically engages with the locking hole after assembly, securing the two floorboards together.

[0008] Preferably, the side wall of the assembly block is provided with a locking rod groove, and the lock head structure includes a locking rod placed in the locking rod groove. The locking rod and the locking rod groove are slidably connected. One end of the locking rod is connected to the bottom surface of the locking rod groove by a compression spring, and the other end of the locking rod matches the locking hole. When the assembly block is fully inserted into the assembly groove, that is, when the two floor panels are tightly assembled, the locking rod groove on the assembly block moves to the position of the locking hole. At this time, the locking rod automatically engages in the locking hole under the elastic force of the compression spring, thereby achieving mutual fixation between the two floor panels. The structure is simple and the control is convenient.

[0009] Preferably, the floor body has an internal cavity, and two matching channels (channel one and channel two) are provided on opposite side walls of the cavity. Channel one and flange one are located on the same side of the floor body, and channel two and flange two are located on the same side of the floor body. When two floor bodies are assembled, channel one of one floor body is directly aligned with channel two of the other, enabling communication between the cavities of the two floor bodies. Users can then introduce heating into the cavity, and the heating can be diffused to all the floor space through channels one and two, thus providing indoor heating.

[0010] Preferably, channels one and two are located on the same straight line. Channel one contains a connecting pipe, which is slidably connected to channel one. One end of the connecting pipe is placed inside the floor cavity, and its outer side wall has a connecting pipe flange. The connecting pipe flange and the side wall of the floor cavity are connected by a return spring. The other end of the connecting pipe matches channel two. A limiting structure is also provided between channel one and the connecting pipe. In its natural state, the connecting pipe is locked in channel one by the limiting structure, while the return spring is sleeved on the connecting pipe and is in a stretched state. When the two floor bodies are assembled, that is, when channel one of one floor body is exactly aligned with channel two of the other floor body, the limiting structure will automatically release the limiting of the connecting pipe, allowing the other end of the connecting pipe to pass through channel two and enter the floor cavity of the other floor body under the elastic force of the return spring, thereby realizing the mutual communication between the two floor cavities through the connecting pipe.

[0011] Preferably, a sealing ring 1 matching the connecting pipe is installed on the inner wall of channel 1, and a sealing ring 2 matching the connecting pipe is installed on the inner wall of channel 2. The design of sealing ring 1 seals the gap between channel 1 and the connecting pipe, and the design of sealing ring 2 seals the gap between channel 2 and the connecting pipe, thereby preventing heat from leaking out through the gaps and improving the insulation effect of the floor itself.

[0012] Preferably, the outer edge of the port at the other end of the connecting pipe is provided with an outer rounded corner, and the inner edge of the opening of the first sealing ring near the floor cavity side is provided with an inner rounded corner that matches the outer rounded corner, and the inner edge of the opening of the second sealing ring near the floor cavity side is provided with an inner rounded corner that matches the outer rounded corner. The transition fit between the inner rounded corner and the outer rounded corner facilitates the installation of the connecting pipe into the first channel. The transition fit between the inner rounded corner and the outer rounded corner facilitates the passage of the connecting pipe through the second channel.

[0013] Preferably, the inner wall of channel one is provided with a locking rod groove. The limiting structure includes a locking rod placed in the locking rod groove. The locking rod and the locking rod groove are slidably connected. One end of the locking rod and the bottom of the locking rod groove are connected by a support spring. The outer wall of the connecting tube is provided with a limiting groove that matches the other end of the locking rod. The locking hole is located on the side wall of the locking rod groove. The locking rod is also provided with a guide hole that matches the other end of the locking rod. The other end of the locking rod, on the side away from channel one, is provided with a guide slope three. The guide slope three slopes from one end of the locking rod to the other end towards channel one. The side of the guide hole away from channel one is provided with a guide slope four that matches the guide slope three. The guide slope four and guide slope three are arranged parallel to each other. In the natural state, the other end of the locking rod is locked in the limiting groove, thereby locking the connecting tube in channel one. At this time, the guide hole is in the position directly opposite the locking hole. When the assembly block is fully inserted into the assembly slot, that is, when the two floor panels are tightly assembled, the other end of the locking rod passes through the locking hole and enters the guide hole under the elastic force of the compression spring. During the process of the other end of the locking rod entering the guide hole, due to the guiding effect of guide slope three and guide slope four, the locking rod will move in the locking rod slide groove and the other end of the locking rod will eventually disengage from the limiting groove, thereby canceling the limitation on the connecting pipe. The other end of the connecting pipe passes through channel two under the elastic force of the return spring and enters the floor cavity of the other floor panel.

[0014] Preferably, a top rod mounting groove is provided on the outer wall of the connecting pipe, near the other end of the connecting pipe. A torsion spring seat and a top rod are provided in the top rod mounting groove. The torsion spring seat is installed at the end of the top rod mounting groove near the other end of the connecting pipe, and one end of the top rod is installed on the torsion spring seat and rotatably connected to it. A top rod locking groove matching the other end of the top rod is provided on the inner wall of the second channel. When the limiting structure automatically releases the limiting of the connecting pipe, the return spring, which is in a stretched state, will automatically return to its original position, thereby causing the connecting pipe to move. This allows the other end of the connecting pipe to pass through the second channel and enter the floor cavity of another floor body. When the connecting pipe moves to its farthest point, the other end of the top rod also moves to the top rod locking groove. The top rod in the top rod mounting groove will automatically engage with the top rod locking groove under the torsional force of the torsion spring seat, thus achieving fixation. At the same time, the return spring, due to its own elastic inertia, becomes compressed. Therefore, the connecting pipe will exert a pulling force on the other floor body under the return force of the return spring, thus making the connection between the two floor bodies tighter.

[0015] Preferably, the floor cavity is equipped with several guide plates 1 and several guide plates 2. Guide plates 1 and 2 are fixed to the front and rear side walls of the floor cavity, respectively, and are staggered. The sum of the lengths of guide plates 1 and 2 is greater than the width of the floor cavity, and the heights of guide plates 1 and 2 are equal to the height of the floor cavity. The warm air flowing through the floor cavity can quickly fill the entire cavity after passing through the flow channels formed between guide plates 1 and 2, allowing for more uniform heat exchange and achieving uniform indoor heating. Guide plates 1 and 2 also provide support for the floor cavity, ensuring the strength of the floor.

[0016] Preferably, both the first and second guide plates are provided with a plurality of noise-absorbing holes. When the airflow passes through the guide plates, the sound waves emitted by the airflow will rub against the gaps in the noise-absorbing holes on the side wall of the guide plates, so that the sound energy will eventually be converted into heat energy, which not only plays a role in noise reduction of the airflow, but also provides more heat energy for the airflow.

[0017] The beneficial effects of this invention are: it improves the tightness of the connection between the two floorboards, eliminating gaps and providing good moisture resistance; it has a simple structure and is easy to control; it improves the heat insulation effect of the floorboards; it achieves uniform indoor heating; it ensures the strength of the floorboards; it has a sound-absorbing effect; and it can provide more heat energy. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the present invention; Figure 2 This is a schematic diagram of an assembly between two floor panels; Figure 3 yes Figure 2 Top view; Figure 4 yes Figure 3 Sectional view at point AA; Figure 5 yes Figure 4 Enlarged view of point B in the middle; Figure 6 This is a schematic diagram showing the distribution of deflector plate one and deflector plate two.

[0019] In the diagram: 1. Flanged edge two, 2. Floor body, 3. Flanged edge one, 4. Floor cavity, 5. Connecting pipe flange, 6. Sealing ring one, 7. Channel one, 8. Connecting pipe, 9. Assembly groove, 10. Limiting slot, 11. Assembly block, 12. Sealing ring two, 13. Channel two, 14. Top rod slot, 15. Top rod, 16. Torsion spring seat, 17. Top rod mounting groove, 18. Guide slope one, 19. Guide slope two, 20. Compression spring, 21. Locking rod slide groove, 22. Locking rod, 23. Locking hole, 24. Support spring, 25. Guide hole, 26. Locking rod, 27. Locking rod slide groove, 28. Reset spring, 29. Guide plate two, 30. Guide plate one. Detailed Implementation

[0020] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0021] like Figure 1 , Figure 2 and Figure 3 In the embodiments described, a moisture-resistant LVT floor and its manufacturing process include a floor body 2, on which two opposing side walls are respectively provided a first flange 3 and a second flange 1, the first flange 3 and the second flange 1 matching each other and arranged in an alternating vertical distribution, such as... Figure 4 and Figure 5 As shown, the bottom surface of flange 1 3 is provided with an assembly groove 9. On the side of the assembly groove 9 away from the floor body 2, there is a guide slope 18. The guide slope 18 slopes from the opening of the assembly groove 9 to the bottom surface of the assembly groove 9 towards the floor body 2. The top surface of flange 2 1 is provided with an assembly block 11 that matches the assembly groove 9. On the side of the assembly block 11 close to the floor body 2, there is a guide slope 2 19 that matches the guide slope 18. The guide slope 2 19 and the guide slope 18 are arranged in parallel. The assembly block 11 is also provided with a lock head structure. The inner wall of the assembly groove 9 is provided with a locking hole 23 that matches the lock head structure.

[0022] like Figure 4 and Figure 5 As shown, the side wall of the assembly block 11 is provided with a locking rod groove 21. The lock head structure includes a locking rod 22 placed in the locking rod groove 21. The locking rod 22 and the locking rod groove 21 are slidably connected. One end of the locking rod 22 and the bottom surface of the locking rod groove 21 are connected by a compression spring 20. The other end of the locking rod 22 matches the locking hole 23.

[0023] like Figure 4 and Figure 5As shown, the floor body 2 has a floor cavity 4 inside. On the opposite side walls of the floor cavity 4, there are matching channels 1 7 and 2 13 respectively. Channel 1 7 and flange 1 3 are both located on the same side of the floor body 2, and channel 2 13 and flange 2 1 are both located on the same side of the floor body 2.

[0024] like Figure 4 and Figure 5 As shown, channel 1 7 and channel 2 13 are located on the same straight line. Channel 1 7 is provided with a connecting pipe 8, which is slidably connected to channel 1 7. One end of the connecting pipe 8 is placed in the floor cavity 4 and its outer side wall is provided with a connecting pipe flange 5. The connecting pipe flange 5 and the side wall of the floor cavity 4 are connected by a return spring 28. The other end of the connecting pipe 8 matches channel 2 13. A limiting structure is also provided between channel 1 7 and connecting pipe 8.

[0025] like Figure 4 and Figure 5 As shown, a sealing ring 6 matching the connecting pipe 8 is installed on the inner wall of channel 1 7, and a sealing ring 12 matching the connecting pipe 8 is installed on the inner wall of channel 2 13.

[0026] like Figure 4 and Figure 5 As shown, the outer edge of the port at the other end of the connecting pipe 8 is provided with an outer rounded corner, the inner edge of the opening of the sealing ring 1 6 near the floor cavity 4 is provided with an inner rounded corner 1 that matches the outer rounded corner, and the inner edge of the opening of the sealing ring 2 12 near the floor cavity 4 is provided with an inner rounded corner 2 that matches the outer rounded corner.

[0027] like Figure 4 and Figure 5 As shown, a locking rod groove 27 is provided on the inner side wall of channel 1 7. The limiting structure includes a locking rod 26 placed in the locking rod groove 27. The locking rod 26 and the locking rod groove 27 are slidably connected. One end of the locking rod 26 and the bottom of the locking rod groove 27 are connected by a support spring 24. A limiting groove 10 matching the other end of the locking rod 26 is provided on the outer side wall of the connecting pipe 8. The locking hole 23 is located on the side wall of the locking rod groove 27. The locking rod 26 is also provided with a guide hole 25 matching the other end of the locking rod 22. A guide slope three is provided on the other end of the locking rod 22 away from channel 1 7. The guide slope three is inclined from one end of the locking rod 22 to the other end of the locking rod 22 towards channel 1 7. A guide slope four matching the guide slope three is provided on the side of the guide hole 25 away from channel 1 7. The guide slope four and the guide slope three are arranged in parallel.

[0028] like Figure 4 and Figure 5As shown, a push rod mounting groove 17 is provided on the outer wall of the connecting pipe 8 and at a position close to the other end of the connecting pipe 8. A torsion spring seat 16 and a push rod 15 are provided in the push rod mounting groove 17. The torsion spring seat 16 is installed at one end of the push rod mounting groove 17 close to the other end of the connecting pipe 8. One end of the push rod 15 is installed on the torsion spring seat 16 and is rotatably connected to it. A push rod slot 14 matching the other end of the push rod 15 is provided on the inner wall of the second channel 13.

[0029] like Figure 4 and Figure 6 As shown, the interior of the floor cavity 4 is provided with several guide plates 30 and several guide plates 29. The guide plates 30 and 29 are fixed on the front and rear side walls of the floor cavity 4, respectively. The guide plates 30 and 29 are staggered. The sum of the lengths of the guide plates 30 and 29 is greater than the width of the floor cavity 4. The heights of the guide plates 30 and 29 are equal to the height of the floor cavity 4.

[0030] Both the first guide vane 30 and the second guide vane 29 are provided with several noise reduction holes.

[0031] The working principle is as follows: When assembling the two floor panels 2, the flange 3 on one floor panel 2 and the flange 1 on the other floor panel 2 are assembled through the engagement of the assembly groove 9 and the assembly block 11. During the process of inserting the assembly block 11 into the assembly groove 9, the two floor panels 2 will gradually approach each other and eventually press against each other due to the guiding effect of the guide slope 18 and the guide slope 19, which greatly improves the connection tightness between the two floor panels 2. At the same time, the channel 7 of one floor panel 2 is exactly aligned with the channel 13 of the other floor panel 2, so that the floor cavities 4 inside the two floor panels 2 are interconnected.

[0032] When assembly block 11 is fully inserted into assembly slot 9, that is, when the two floor panels 2 are tightly assembled, the locking rod groove 21 on assembly block 11 also moves to the position of locking hole 23. At this time, the locking rod 22 automatically engages in locking hole 23 and enters guide hole 25 under the elastic force of compression spring 20. On the one hand, it achieves mutual fixation between the two floor panels 2. On the other hand, due to the guiding effect of guide slope three and guide slope four, it will drive the locking rod 26 to move in locking rod groove 27 and cause the other end of locking rod 26 to finally disengage from limiting groove 10, thereby canceling the limitation on connecting pipe 8. At this time, the return spring 28, which is in a stretched state, will automatically return to its original position. The position of the connecting pipe 8 causes the other end of the connecting pipe 8 to pass through the channel 13 and enter the floor cavity 4 of the other floor body 2. When the connecting pipe 8 moves to the farthest end, the other end of the top rod 15 also moves to the top rod slot 14. The top rod 15 in the top rod mounting groove 17 will automatically be locked into the top rod slot 14 under the torsional force of the torsion spring seat 16, thereby achieving fixation. At the same time, the return spring 28 is compressed due to its own elastic inertia. Therefore, the connecting pipe 8 will exert a pulling force on the other floor body 2 under the return force of the return spring 28, thereby making the connection between the two floor bodies 2 tighter.

[0033] Users can introduce heating air into the floor cavity 4, and then diffuse the heating air to all indoor floors through the connecting pipe 8, thereby achieving indoor heating. The heating air flowing through the floor cavity 4 can quickly fill the entire floor cavity 4 after passing through the guiding channel formed between the first guide plate 30 and the second guide plate 29, allowing for more uniform heat exchange across the entire floor and achieving uniform indoor heating. When the airflow passes through the guide plates, the sound waves emitted by the airflow will rub against the pores on the side wall of the guide plates, causing the sound energy to be converted into heat energy. This both silences the airflow and provides more heat energy to the airflow.

Claims

1. A moisture-resistant LVT floor, characterized in that, The system includes a floor body (2), on which two opposing side walls are respectively provided flange one (3) and flange two (1). Flange one (3) and flange two (1) are matched with each other and are staggered vertically. The bottom surface of flange one (3) is provided with an assembly groove (9). The side of the assembly groove (9) away from the floor body (2) is provided with a guide slope one (18). The guide slope one (18) slopes from the opening of the assembly groove (9) to the bottom surface of the assembly groove (9) towards the floor body (2). The top surface of flange two (1) is provided with an assembly block (11) that matches the assembly groove (9). The side of the assembly block (11) near the floor body (2) is provided with a guide slope one. A guide slope two (19) is matched with a guide slope one (18). The guide slope two (19) and the guide slope one (18) are arranged in parallel. The assembly block (11) is also provided with a lock head structure. The inner wall of the assembly groove (9) is provided with a locking hole (23) that matches the lock head structure. The side wall of the assembly block (11) is provided with a lock rod slide groove (21). The lock head structure includes a lock rod (22) placed in the lock rod slide groove (21). The lock rod (22) and the lock rod slide groove (21) are slidably connected. One end of the lock rod (22) and the bottom surface of the lock rod slide groove (21) are connected by a compression spring (20). The other end of the lock rod (22) matches the locking hole (23).

2. The moisture-resistant LVT flooring according to claim 1, characterized in that, The floor body (2) has a floor cavity (4) inside. On the opposite side walls of the floor cavity (4), there are matching channels one (7) and channel two (13). Channel one (7) and flange one (3) are located on the same side of the floor body (2), and channel two (13) and flange two (1) are located on the same side of the floor body (2).

3. The moisture-resistant LVT flooring according to claim 2, characterized in that, The first channel (7) and the second channel (13) are located on the same straight line. The first channel (7) is provided with a connecting pipe (8). The connecting pipe (8) and the first channel (7) are slidably connected. One end of the connecting pipe (8) is placed in the floor cavity (4) and a connecting pipe flange (5) is provided on its outer side wall. The connecting pipe flange (5) and the side wall of the floor cavity (4) are connected by a reset spring (28). The other end of the connecting pipe (8) matches the second channel (13). A limiting structure is also provided between the first channel (7) and the connecting pipe (8).

4. The moisture-resistant LVT flooring according to claim 3, characterized in that, The inner wall of the first channel (7) is fitted with a sealing ring 1 (6) that matches the connecting pipe (8), and the inner wall of the second channel (13) is fitted with a sealing ring 2 (12) that matches the connecting pipe (8).

5. The moisture-resistant LVT flooring according to claim 4, characterized in that, The outer edge of the port at the other end of the connecting pipe (8) is provided with an outer rounded corner, and the inner edge of the opening of the sealing ring one (6) near the floor cavity (4) is provided with an inner rounded corner one that matches the outer rounded corner, and the inner edge of the opening of the sealing ring two (12) near the floor cavity (4) is provided with an inner rounded corner two that matches the outer rounded corner.

6. The moisture-resistant LVT flooring according to claim 3, characterized in that, The inner wall of the channel 1 (7) is provided with a locking rod groove (27). The limiting structure includes a locking rod (26) placed in the locking rod groove (27). The locking rod (26) and the locking rod groove (27) are slidably connected. One end of the locking rod (26) and the bottom of the locking rod groove (27) are connected by a support spring (24). The outer wall of the connecting pipe (8) is provided with a limiting groove (10) that matches the other end of the locking rod (26). The locking hole (23) is located in the locking rod groove (27). On the side wall, the locking rod (26) is also provided with a guide hole (25) that matches the other end of the locking rod (22). The other end of the locking rod (22) and the side away from the channel (7) is provided with a guide slope three. The guide slope three is inclined from one end of the locking rod (22) to the other end of the locking rod (22) towards the channel (7). The guide hole (25) is provided with a guide slope four that matches the guide slope three on the side away from the channel (7). The guide slope four and the guide slope three are arranged in parallel.

7. The moisture-resistant LVT flooring according to claim 3, characterized in that, A top rod mounting groove (17) is provided on the outer wall of the connecting pipe (8) and located near the other end of the connecting pipe (8). A torsion spring seat (16) and a top rod (15) are provided in the top rod mounting groove (17). The torsion spring seat (16) is installed at one end of the top rod mounting groove (17) near the other end of the connecting pipe (8). One end of the top rod (15) is installed on the torsion spring seat (16) and rotatably connected to it. A top rod slot (14) matching the other end of the top rod (15) is provided on the inner wall of the second channel (13).

8. A moisture-resistant LVT floor according to any one of claims 2-7, characterized in that, The floor cavity (4) is provided with several guide plates 1 (30) and several guide plates 2 (29). The guide plates 1 (30) and 2 (29) are fixed on the front and rear side walls of the floor cavity (4) respectively. The guide plates 1 (30) and 2 (29) are staggered. The sum of the lengths of the guide plates 1 (30) and 2 (29) is greater than the width of the floor cavity (4). The heights of the guide plates 1 (30) and 2 (29) are equal to the height of the floor cavity (4).

9. A moisture-resistant LVT floor according to claim 8, characterized in that, Both the first guide plate (30) and the second guide plate (29) are provided with several noise reduction holes.

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