Lightweight thermal insulation wallboard and installation method thereof

Abstract

The invention belongs to the technical field of thermal insulation wallboards, and provides a light thermal insulation wallboard and an installation method thereof.The light thermal insulation wallboard comprises a light wallboard body, an installation plate is fixedly installed on the back face of the light wallboard body, two sets of installation boxes are arranged in the installation plate, thermal insulation boards are fixedly installed in the installation boxes, and the two sets of installation boxes are spliced and matched with the inner bottom face of the light wallboard body; a fixed barrier strip and a movable barrier strip which are used for limiting the position of the mounting box are arranged on the inner side wall of the light wallboard; a cover plate is connected to an opening of the light wallboard. Compared with the prior art, the heat preservation wall board has the following beneficial effects that the internal heat preservation board can be replaced through the replacement groove, the situation that when the heat preservation board is replaced, the cover board or the light wall board is comprehensively disassembled is avoided, the heat preservation board replacement difficulty is lowered, the workload is reduced, and other adjacent light wall boards cannot be affected.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of thermal insulation wallboards, and particularly relates to a light thermal insulation wallboard and a mounting method thereof. BACKGROUND

[0002] The light thermal insulation wallboard is usually composed of a panel and a core material, and is produced in a factory and assembled on site.

[0003] A Chinese patent with the patent announcement number CN219569336U can place the thermal insulation board in the receiving groove on the front surface of the light wallboard, and the fixed plate installed on the three surfaces of the light wallboard is in abutment with the thermal insulation board, so that the thermal insulation board is fixed on the light wallboard. The nut can be rotated counterclockwise to disassemble the thermal insulation board. When the light wallboard is installed, it is usually installed on the original outer wall foundation by means of keel fixation or direct pasting. After the installation of the light wallboard is completed, it is difficult to have space on the side close to the wall for disassembly and replacement of the thermal insulation board. In addition, due to the contact between the light wallboards, it is difficult to rotate the screw rod to release the fixation of the thermal insulation board, so that the light wallboard needs to be completely disassembled, increasing the workload. SUMMARY

[0004] The purpose of the present application is to provide a light thermal insulation wallboard and a mounting method thereof, which aims to solve the technical problem of inconvenience in replacing the thermal insulation board and increasing the workload in the prior art.

[0005] The present application is implemented as follows: a light thermal insulation wallboard, comprising a light wallboard, a mounting plate fixedly installed on the back surface of the light wallboard, two groups of installation boxes provided in the mounting plate, a thermal insulation board fixedly installed in the installation box, the two groups of installation boxes being spliced and matching the inner bottom surface of the light wallboard, and a fixed baffle and a movable baffle for limiting the position of the installation box provided on the inner side wall of the light wallboard. A cover plate is connected to the opening of the light wallboard, a replacement slot is formed in the position corresponding to the movable baffle of the cover plate, a first closure plate is provided in the replacement slot, fixed screw rods are threadedly connected to both ends of the first closure plate, the fixed screw rods are threadedly connected with a fixed plate provided in the light wallboard, the end portion of the fixed screw rod abuts against the movable baffle after the installation of the first closure plate, an L-shaped limiting frame is fixedly installed on the side of the cover plate close to the light wallboard, and a limiting plate for limiting the position of the cover plate is provided on the inner wall of the light wallboard.

[0006] Further technical solutions: a back-shaped connecting groove is formed on the end face of the opening end of the light wallboard, the connecting groove is used in cooperation with a connecting frame fixedly installed on the cover plate, and the connecting groove matches the connecting frame.

[0007] Further technical solutions: The fixed baffle is fixedly installed on the light wallboard and in contact with the end face of one group of installation boxes, and the movable baffle is rotatably installed on the light wallboard and in contact with the end face of the other group of installation boxes in a natural state.

[0008] Further technical solutions: The first supporting plate is fixedly installed on the two side walls of the light wallboard, the sliding plate is slidably arranged on the first supporting plate, the limiting plate is fixedly installed on the end of the sliding plate, the adjusting screw is rotatably installed on the end of the sliding plate away from the limiting plate, and the adjusting screw is threadedly connected with the second supporting plate fixedly installed on the inner wall of the light wallboard.

[0009] Further technical solutions: The lifting rod is slidably installed in the adjusting screw, and the cross section of the lifting rod is non-circular.

[0010] Further technical solutions: The fixed plate is slidably installed on the second supporting plate, the connecting plate is fixedly installed on the fixed plate, the connecting plate is rotatably connected with the end of the lifting rod away from the first supporting plate, and the magnet for adsorbing the connecting plate is fixedly installed on the inner side wall of the light wallboard.

[0011] Further technical solutions: The clamping groove is formed in the inner bottom surface of the light wallboard, the guide rod is fixedly installed in the clamping groove, the push frame is slidably installed in the clamping groove through the guide rod, the push frame is L-shaped, the spring is fixedly installed on the side surface of the push frame close to the opening end of the light wallboard, and the end of the spring away from the push frame is fixedly connected with the end of the clamping groove.

[0012] Further technical solutions: The installation groove is formed in the first closing plate, the gas collecting cylinder is fixedly installed in the installation groove, the piston plate is slidably installed in the gas collecting cylinder, the piston rod of the piston plate extends out of the gas collecting cylinder, the end of the gas collecting cylinder is communicated with the air suction pipe and the air exhaust pipe, the one-way valve is arranged on the air suction pipe and the air exhaust pipe, the air suction pipe is connected with the cavity surrounded by the light wallboard and the cover plate, the air exhaust pipe is connected with the outside, and the second closing plate for closing the installation groove is fixedly installed on the first closing plate through the screw.

[0013] The application also provides a mounting method of the light thermal insulation wallboard. Step S1: install the thermal insulation plate into the installation box, and then install the installation box into the light wallboard; Step S2: remove the first closing plate from the cover plate, install the cover plate on the light wallboard through the connecting frame and the connecting groove, move the limiting plate upward into the limiting frame, and connect the cover plate and the light wallboard through the limiting plate and the limiting frame; Step S3: install the first closing plate on the replacement groove through the fixing screw; Step S4: when replacing the thermal insulation plate, reverse the above steps, install the first closing plate after the replacement is completed, and then install the mounting plate on the wall body.

[0014] Compared with the prior art, the present application has the following advantages: 1、When replacing the insulation board for long-term use, the first closure plate is removed, the lower part of the mounting box is pulled to move towards the replacement slot, so that the mounting box is finally separated from the lightweight wallboard, and the mounting box on the upper side will be lowered to the lower side, then the lower part of the mounting box is pulled to move towards the replacement slot, so that the two groups of mounting boxes can be pulled out, after replacing the insulation board, the above operation is reversed to install the two groups of mounting boxes into the lightweight wallboard again, then the first closure plate is installed in place, the replacement slot can be used to replace the insulation board inside, avoiding the need to completely disassemble the cover plate or the lightweight wallboard when replacing the insulation board, reducing the difficulty of replacing the insulation board and the workload, and the insulation board can be replaced from the front, without affecting the adjacent lightweight wallboard.

[0015] 2、After installation, the piston rod is pulled to move the piston plate reciprocally, and when the piston plate reciprocally moves, the air in the cavity surrounded by the lightweight wallboard and the cover plate is sucked into the gas collecting cylinder through the air suction pipe, then the air is discharged through the air exhaust pipe, so that the cavity surrounded by the lightweight wallboard and the cover plate is in a near-vacuum state, and the cover plate can be further pressed on the lightweight wallboard under the action of atmospheric pressure, improving the stability and strength of the connection between the lightweight wallboard and the cover plate, and the cavity surrounded by the lightweight wallboard and the cover plate is in a near-vacuum state, reducing the heat transfer effect and improving the insulation effect of the lightweight wallboard. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0017] Figure 2 It is a schematic diagram of the structure of the lightweight wallboard in the present application.

[0018] Figure 3 It is a first perspective view of the structure of the cover plate in the present application.

[0019] Figure 4 It is a second perspective view of the structure of the cover plate in the present application.

[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the lightweight wallboard in the present application.

[0021] Figure 6 It is a schematic diagram of the structure of the limiting plate in the present application.

[0022] Figure 7 It is a schematic diagram of the structure of the gas collecting cylinder in the present application.

[0023] Figure 8 It is Figure 5 an enlarged schematic diagram of area A in the present application.

[0024] In the accompanying drawings: 1. Lightweight wall panel; 2. Mounting plate; 3. Cover plate; 4. Mounting box; 5. Insulation board; 6. Fixed baffle; 7. Movable baffle; 8. First support plate; 9. Slide plate; 10. Limit plate; 11. Second support plate; 12. Adjusting screw; 13. Lifting rod; 14. Magnet; 15. Fixed plate; 16. Connecting plate; 17. Replacement slot; 18. First closing plate; 19. Fixed screw; 20. Mounting slot; 21. Gas collecting cylinder; 22. Piston plate; 23. Piston rod; 24. Exhaust pipe; 25. Exhaust pipe; 26. Second closing plate; 27. Slot; 28. Guide rod; 29. ​​Push frame; 30. Spring; 31. Connecting slot; 32. Connecting frame; 33. Limit frame. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0027] like Figures 1-8 As shown, a lightweight thermal insulation wall panel provided by the present invention includes a lightweight wall panel 1, a mounting plate 2 fixedly mounted on the back of the lightweight wall panel 1, two sets of mounting boxes 4 are provided in the mounting plate 2, and thermal insulation panels 5 are fixedly mounted in the mounting boxes 4. The two sets of mounting boxes 4 are spliced ​​and coincide with the inner bottom surface of the lightweight wall panel 1. A fixed stop bar 6 and a movable stop bar 7 for limiting the position of the mounting boxes 4 are provided on the inner side wall of the lightweight wall panel 1. The fixed stop bar 6 is fixedly mounted on the lightweight wall panel 1 and contacts the end surface of one set of mounting boxes 4. The movable stop bar 7 is rotatably mounted on the lightweight wall panel 1. In its natural state, the movable stop bar 7 contacts the end surface of the other set of mounting boxes 4. The light wallboard 1 is connected with a cover plate 3 at the opening, a connecting groove 31 in the shape of a hairpin is formed on the end face of the opening end of the light wallboard 1, the connecting groove 31 is used in cooperation with a connecting frame 32 fixedly installed on the cover plate 3, the connecting groove 31 is in conformity with the connecting frame 32, a replacement groove 17 is formed on the cover plate 3 at the position corresponding to the movable blocking strip 7, a first closing plate 18 is arranged in the replacement groove 17, a fixing screw rod 19 is threadedly connected to both ends of the first closing plate 18, the fixing screw rod 19 is threadedly connected with a fixing plate 15 arranged in the light wallboard 1, after the first closing plate 18 is installed, the end of the fixing screw rod 19 abuts against the movable blocking strip 7, an L-shaped limiting frame 33 is fixedly installed on the side of the cover plate 3 close to the light wallboard 1, a limiting plate 10 is arranged on the inner wall of the light wallboard 1 and used in cooperation with the limiting frame 33 to limit the position of the cover plate 3, a first supporting plate 8 is fixedly installed on each of the two side walls of the light wallboard 1, a sliding plate 9 is slidably arranged on the first supporting plate 8, the limiting plate 10 is fixedly installed on the end of the sliding plate 9, an adjusting screw rod 12 is rotatably installed on the end of the sliding plate 9 away from the limiting plate 10, the adjusting screw rod 12 is threadedly connected with a second supporting plate 11 fixedly installed on the inner wall of the light wallboard 1, a lifting rod 13 is slidably arranged in the adjusting screw rod 12, the cross section of the lifting rod 13 is non-circular, the fixing plate 15 is slidably arranged on the second supporting plate 11, a connecting plate 16 is fixedly installed on the fixing plate 15, the connecting plate 16 is rotatably connected with the end of the lifting rod 13 away from the first supporting plate 8, and a magnet 14 is fixedly installed on the inner wall of the light wallboard 1 and used for adsorbing the connecting plate 16.

[0028] In actual application, the heat preservation plate 5 is installed into the mounting box 4, then the mounting box 4 is installed into the light wallboard 1, and the two groups of mounting boxes 4 are spliced, at this time, the upper mounting box 4 is limited by the fixed blocking strip 6 to avoid tilting downward; The first closing plate 18 is removed from the cover plate 3, the cover plate 3 is installed on the light wallboard 1 through the connecting frame 32 and the connecting groove 31, the position of the replacement groove 17 corresponds to the lower mounting box 4, then the hand of the worker is inserted into the light wallboard 1 through the replacement groove 17, the lifting rod 13 is pulled downward to make the connecting plate 16 separate from the magnet 14, the lifting rod 13 drives the fixing plate 15 to move synchronously downward, the lower end of the lifting rod 13 finally moves to the position of the replacement groove 17, at this time, the lifting rod 13 drives the adjusting screw rod 12 to rotate, the adjusting screw rod 12 moves upward, the adjusting screw rod 12 pushes the limiting plate 10 to move upward into the limiting frame 33 through the sliding plate 9, at this time, the surface of the limiting plate 10 away from the cover plate 3 abuts against the side surface of the limiting frame 33, and the connection between the cover plate 3 and the light wallboard 1 is realized through the limiting plate 10 and the limiting frame 33; Afterwards, the first closing plate 18 is installed on the replacement groove 17 through the fixed screw rod 19, the fixed screw rod 19 is screwed with the fixed plate 15 after penetrating through the first closing plate 18, the first closing plate 18 can further exert pressure on the cover plate 3 through the replacement groove 17 by the fixed plate 15 and the fixed screw rod 19, the connection strength and stability of the cover plate 3 and the lightweight wallboard 1 are further improved, after the installation of the first closing plate 18 is completed, the end of the fixed screw rod 19 is in contact with the movable blocking strip 7, so that the movable blocking strip 7 limits the installation box 4 on the lower side, and the stability of the installation box 4 during use is ensured. When the thermal insulation plate 5 needs to be replaced for a long time, the fixed screw rod 19 is released from the fixing of the first closing plate 18, and the first closing plate 18 is removed, then the lifting rod 13 is pushed upwards to make the connecting plate 16 contact with the magnet 14, so as to avoid the blocking of the replacement groove 17 by the lifting rod 13 and the fixed plate 15, at this time, the limitation of the lower installation box 4 is released, the lower part of the installation box 4 is pulled to move towards the replacement groove 17, so that the installation box 4 finally leaves the lightweight wallboard 1 from the replacement groove 17, and the installation box 4 on the upper side will be lowered to the lower side, then the lower part of the installation box 4 is pulled to move towards the replacement groove 17, so that the two groups of installation boxes 4 can be pulled out, after the thermal insulation plate 5 is replaced, the above-mentioned operation is reversed to install the two groups of installation boxes 4 into the lightweight wallboard 1 again, then the first closing plate 18 is installed in place, and the thermal insulation plate 5 in the interior can be replaced through the replacement groove 17, so that the cover plate 3 or the lightweight wallboard 1 is not completely disassembled when the thermal insulation plate 5 is replaced, the difficulty of replacing the thermal insulation plate 5 is reduced, the workload is reduced, and the thermal insulation plate 5 can be replaced from the front side without affecting the adjacent other lightweight wallboard 1.

[0029] As shown in Figure 2 , Figure 5 , Figure 8 , a lightweight thermal insulation wallboard is provided, a clamping groove 27 is formed in the inner bottom surface of the lightweight wallboard 1, a guide rod 28 is fixedly installed in the clamping groove 27, and a pushing frame 29 is slidably installed in the clamping groove 27 through the guide rod 28, the pushing frame 29 is L-shaped, a spring 30 is fixedly installed on the side surface of the pushing frame 29 close to the opening end of the lightweight wallboard 1, and one end of the spring 30 away from the pushing frame 29 is fixedly connected with the end of the clamping groove 27.

[0030] In actual application, after the first closing plate 18 of the thermal insulation plate 5 is disassembled, the worker manually pulls the pushing frame 29 to move outward and compresses the spring 30, so that the pushing frame 29 can push the lower part of the installation box 4 to move outward, thereby facilitating the preliminary movement of the installation box 4 for taking out, and after the worker releases his hand, the pushing frame 29 is reset under the action of the spring 30, thereby improving the convenience of taking out the installation box 4.

[0031] As shown in Figure 3 , Figure 7As shown, a lightweight thermal insulation wall panel provided by the present invention, a mounting groove 20 is opened on the first closing plate 18, a gas collecting cylinder 21 is fixedly installed in the mounting groove 20, a piston plate 22 is slidably installed in the gas collecting cylinder 21, and the piston plate 22 is connected to a piston rod 23 extending out of the gas collecting cylinder 21, the end of the gas collecting cylinder 21 is connected to an exhaust pipe 24 and an exhaust pipe 25, both the exhaust pipe 24 and the exhaust pipe 25 are provided with a one-way valve, the exhaust pipe 24 is connected to the cavity surrounded by the lightweight wall panel 1 and the cover plate 3, the exhaust pipe 25 is connected to the outside world, and a second closing plate 26 for closing the mounting groove 20 is fixedly installed on the first closing plate 18 by screws.

[0032] During actual application of this embodiment, after the first closing plate 18 is closed, the piston plate 22 is pulled back and forth by the piston rod 23. When the piston plate 22 moves back and forth, the air in the cavity surrounded by the lightweight wall panel 1 and the cover plate 3 is sucked into the gas collecting cylinder 21 through the exhaust pipe 24, and then discharged through the exhaust pipe 25, so that the cavity surrounded by the lightweight wall panel 1 and the cover plate 3 is close to a vacuum state, and then under the action of atmospheric pressure, the cover plate 3 can be further pressed on the lightweight wall panel 1, thereby improving the stability and strength of the connection between the lightweight wall panel 1 and the cover plate 3. At the same time, the cavity surrounded by the lightweight wall panel 1 and the cover plate 3 is close to a vacuum state, which reduces the heat transfer effect and improves the thermal insulation effect of the lightweight wall panel 1.

[0033] like Figures 1-8 As shown, the present invention provides a method for installing a lightweight thermal insulation wall panel, which is applied to the lightweight thermal insulation wall panel described above, and includes the following steps: Step S1: Install the insulation board 5 into the installation box 4, and then install the installation box 4 into the lightweight wall panel 1; Step S2: Remove the first closing plate 18 from the cover plate 3, and install the cover plate 3 on the lightweight wall panel 1 through the connecting frame 32 and the connecting groove 31. Move the limiting plate 10 upward into the limiting frame 33, and connect the cover plate 3 to the lightweight wall panel 1 through the limiting plate 10 and the limiting frame 33. Step S3: Install the first closing plate 18 onto the replacement slot 17 via the fixing screw 19; Step S4: When replacing the insulation board 5 , perform the above steps in reverse. After the replacement is completed, install the first closing board 18 , and then install it on the wall through the mounting plate 2 .

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0035] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A lightweight thermal insulation wall panel, comprising a lightweight wall panel (1), a mounting plate (2) fixedly mounted on the back of the lightweight wall panel (1), characterized in that: Two sets of installation boxes (4) are provided in the installation plate (2), and an insulation board (5) is fixedly installed in the installation box (4). The two sets of installation boxes (4) are spliced ​​and coincide with the inner bottom surface of the lightweight wall panel (1). The inner side wall of the lightweight wall panel (1) is provided with a fixed stop bar (6) and a movable stop bar (7) for limiting the position of the installation box (4); The opening of the lightweight wall panel (1) is connected to a cover plate (3), a replacement groove (17) is provided at a position of the cover plate (3) corresponding to the movable stop bar (7), and a first closing plate (18) is provided in the replacement groove (17), both ends of the first closing plate (18) are threadedly connected to fixing screws (19), and the fixing screws (19) are threadedly connected to a fixing plate (15) provided in the lightweight wall panel (1), and after the first closing plate (18) is installed, the end of the fixing screw (19) contacts the movable stop bar (7), and an L-shaped limit frame (33) is fixedly installed on the side of the cover plate (3) close to the lightweight wall panel (1), and a limit plate (10) is provided on the inner wall of the lightweight wall panel (1) for use with the limit frame (33) to limit the position of the cover plate (3).

2. A lightweight thermal insulation wallboard according to claim 1, characterized in that: A circular connecting groove (31) is provided on the end surface of the open end of the lightweight wall panel (1). The connecting groove (31) is fixedly mounted on the connecting frame (32) on the cover plate (3) for use in conjunction with the connecting groove (31) and the connecting frame (32).

3. A lightweight thermal insulation wallboard according to claim 1, characterized in that: The fixed baffle (6) is fixedly mounted on the lightweight wall panel (1) and contacts the end face of one group of mounting boxes (4). The movable baffle (7) is rotatably mounted on the lightweight wall panel (1), and in a natural state, the movable baffle (7) contacts the end face of the other group of mounting boxes (4).

4. A lightweight thermal insulation wallboard according to claim 1, characterized in that: A first support plate (8) is fixedly mounted on both side walls of the lightweight wall panel (1), a sliding plate (9) is mounted on the first support plate (8), a limiting plate (10) is fixedly mounted on the end of the sliding plate (9), an adjusting screw (12) is rotatably mounted on one end of the sliding plate (9) away from the limiting plate (10), and the adjusting screw (12) is threadedly connected to a second support plate (11) fixedly mounted on the inner wall of the lightweight wall panel (1).

5. A lightweight thermal insulation wallboard according to claim 4, characterized in that: A lifting rod (13) is slidably mounted in the adjusting screw (12), and the cross section of the lifting rod (13) is non-circular.

6. A lightweight thermal insulation wallboard according to claim 5, characterized in that: The fixed plate (15) is slidably mounted on the second support plate (11), a connecting plate (16) is fixedly mounted on the fixed plate (15), the connecting plate (16) is rotatably connected to an end of the lifting rod (13) away from the first support plate (8), and a magnet (14) for adsorbing the connecting plate (16) is fixedly mounted on the inner wall of the lightweight wall panel (1).

7. The lightweight thermal insulation wallboard according to claim 1, characterized in that: A slot (27) is provided on the inner bottom surface of the lightweight wall panel (1), a guide rod (28) is fixedly installed in the slot (27), and a push frame (29) is slidably installed in the slot (27) via the guide rod (28), the push frame (29) is L-shaped, a spring (30) is fixedly installed on the side of the push frame (29) close to the open end of the lightweight wall panel (1), and one end of the spring (30) away from the push frame (29) is fixedly connected to the end of the slot (27).

8. The lightweight thermal insulation wallboard according to claim 1, characterized in that: The first closing plate (18) is provided with a mounting groove (20), a gas collecting cylinder (21) is fixedly installed in the mounting groove (20), a piston plate (22) is slidably installed in the gas collecting cylinder (21), and a piston rod (23) extending out of the gas collecting cylinder (21) is connected to the piston plate (22), and the end of the gas collecting cylinder (21) is connected to an exhaust pipe (24) and an exhaust pipe (25), and both the exhaust pipe (24) and the exhaust pipe (25) are provided with a one-way valve. The exhaust pipe (24) is connected to the cavity surrounded by the lightweight wall panel (1) and the cover plate (3), and the exhaust pipe (25) is connected to the outside world. A second closing plate (26) for closing the mounting groove (20) is fixedly installed on the first closing plate (18) by screws.

9. A method for installing a lightweight thermal insulation wall panel, characterized in that: A lightweight thermal insulation wall panel according to any one of claims 1 to 8, comprising the following steps: Step S1: Install the insulation board (5) into the installation box (4), and then install the installation box (4) into the lightweight wallboard (1); Step S2: removing the first closing plate (18) from the cover plate (3), installing the cover plate (3) onto the lightweight wall panel (1) through the connecting frame (32) and the connecting groove (31), moving the limiting plate (10) upward into the limiting frame (33), and achieving connection between the cover plate (3) and the lightweight wall panel (1) through the limiting plate (10) and the limiting frame (33); Step S3: Mounting the first closing plate (18) on the replacement slot (17) via the fixing screw (19); Step S4: When replacing the insulation board (5), perform the above steps in reverse order. After the replacement is completed, install the first closing board (18), and then install it on the wall through the installation board (2).

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