An inorganic patterned surface interior and exterior wall sound insulation decorative board
By designing the sound insulation decorative panels of the interior and exterior walls with inorganic pattern, using hollow structures and built-in sound insulation structures, the problems of inconvenient disassembly and high maintenance costs of existing decorative panels are solved, and convenient disassembly and assembly and improved sound insulation effect are achieved.
Patent Information
- Application Number
- CN202011001530.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-09-22
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2040-09-22
AI Technical Summary
Existing architectural decorative panels are inconvenient during disassembly and assembly, with high maintenance costs and poor thermal insulation effect.
A sound insulation decorative panel of an inorganic patterned inner and outer wall surface is designed, adopting a hollow structure plate body and a built-in sound insulation structure. The plate body is equipped with isosceles trapezoidal installation grooves and installation mechanisms to simplify the disassembly and assembly process and improve the sound insulation effect through the sound insulation structure.
It realizes convenient disassembly and assembly and maintenance of decorative panels, reduces maintenance costs, improves thermal insulation effect, and enhances sound insulation performance through sound insulation structure.
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Figure CN112095964B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of decorative panels, and in particular to an inorganic patterned surface interior and exterior wall sound insulation decorative panel. Background Art
[0002] In building construction, with the improvement of living quality, more and more attention is paid to the decoration of buildings. However, most of the existing building decorations still use wet-pasted wall tiles to decorate the exterior walls of buildings. However, the use of wet-pasted wall tiles for the decoration of interior and exterior walls has relatively high maintenance costs in the later stage, and the thermal insulation effect is relatively poor during use.
[0003] In the existing related art, a Chinese patent application numbered CN200920195576.2 discloses a decoration material, the technical key points of which are: formed by bonding stone (1) and a ceramic honeycomb panel (2); a plate is placed between the stone and the ceramic honeycomb panel; the plate is an aluminum panel, a building decoration panel or a fiberboard with a thickness of 0.2 to 2 mm; a bottom plate is arranged at the bottom of the ceramic honeycomb panel; the bottom plate is an aluminum panel, a building decoration panel or a fiberboard with a thickness of 0.2 to 2 mm.
[0004] Regarding the above-mentioned related technologies, the inventor believes that with the development of existing enterprises, the company's environment will also become one of the factors for enterprises to attract talents. During construction, decorative panels will also be used on the exterior walls of factory buildings. In actual use, traditional manufacturing companies often use the outside of the factory as a warehouse and place metal raw materials on the outside of the factory, causing damage to the exterior wall panels. The above-mentioned related technologies are relatively inconvenient to disassemble and assemble when used, resulting in inconvenience in later maintenance. Summary of the invention
[0005] In order to facilitate the disassembly and assembly of decorative panels, the present application provides an inorganic patterned surface interior and exterior wall sound insulation decorative panel.
[0006] The present application provides an inorganic patterned surface interior and exterior wall sound insulation decorative board adopts the following technical solution:
[0007] A sound-insulating decorative panel for interior and exterior walls with an inorganic pattern surface, comprising a panel body with a hollow structure and a sound-insulating structure arranged inside the panel body, wherein the panel body is concavely formed with a plurality of vertically extending mounting grooves toward one side of the wall, the mounting groove has an isosceles trapezoidal cross section and is provided with a plurality of vertically distributed mounting mechanisms therein, the mounting mechanism comprising a mounting assembly connected to the groove wall of the mounting groove and a fixing assembly fixed to the wall, the mounting assembly comprising two mounting strips fixed to the groove wall of the mounting groove, the two mounting strips are both arc-shaped and are opened toward each other, the two mounting strips are both provided with a clamping groove with an isosceles trapezoidal cross section and the two clamping grooves are opened toward each other, the fixing assembly comprising two fixing strips with the same structure as the fixing strips and a keel plate preset on the wall, the fixing strip being clamped in the clamping groove and the outer wall where the hypotenuse of the isosceles trapezoidal cross section of the fixing strip is located is fitted to the groove wall where the hypotenuse of the isosceles trapezoidal cross section of the clamping groove is located.
[0008] By adopting the above technical solution, when disassembling and assembling, it is only necessary to make the two installation bars on the plate body clamp the two fixing bars in the clamping grooves on the installation bars. At the same time, the cross-section of the clamping groove is an isosceles trapezoid, so that the outer wall of the fixing bar can fit into the cross-section of the clamping groove, thereby effectively optimizing the stability of the support for the plate body, and the cross-sections of the fixing bar and the installation bar are both isosceles trapezoidal, which can effectively enhance the load-bearing capacity of the fixing bar and the installation bar, and can also limit the vertical slippage of the plate body, and can be soundproofed by a sound insulation structure, and the installation mechanism is arranged in the installation groove, which can make the inner wall of the plate body fit into the outer wall of the wall, so as to reduce the possibility of damage to the plate body caused by the collision of metal raw materials outside the factory.
[0009] Optionally, a support tube group for auxiliary support is arranged between the two fixing bars, and the support tube group includes a first support tube fixed to the wall of the mounting groove and a second support tube fixed to the keel plate, the outer wall of the second support tube is a frustum-shaped structure and its small end is inserted into the first support tube, the first support tube includes a plurality of support plates with an arc-shaped plate structure, the plurality of support plates are arranged on the same central axis and the inner walls of the plurality of support plates are a frustum-shaped structure, and the large ends of the inner walls of the plurality of support plates are arranged toward the second support tube.
[0010] By adopting the above technical solution, when in use, the first support tube can be inserted into the second support tube to assist in supporting the plate body. At the same time, the outer wall of the second support tube is a frustum-shaped structure. When the second support tube is inserted between multiple support plates, the multiple support plates can be spread apart, so that even when the first support tube and the second support tube are eccentric, the plate body can still be supported, thereby optimizing the stability of the support.
[0011] Optionally, the length of the short side of the isosceles trapezoid in the cross section of the clamping groove is L1, the length of the short side of the isosceles trapezoid in the cross section of the outer wall of the fixing bar is L2, and L2>L1.
[0012] By adopting the above technical solution, when the fixing strip is clipped into the clipping groove, a gap is provided between the outer wall where the short sides of the isosceles trapezoidal cross-sections of the fixing strip and the mounting strip are located, so that the outer wall of the fixing strip can fit relatively more closely to the groove wall of the clipping groove without causing interference.
[0013] Optionally, the sound insulation structure includes a plurality of sound-absorbing cottons respectively arranged between the recessed portions in the installation groove and a plurality of elastic sound insulation blocks respectively arranged at the locations where the recessed portions in the installation groove are located, a cavity is formed in the elastic sound insulation block, a connecting strip is arranged between the sound-absorbing cottons and the elastic sound insulation block, the connecting strip is V-shaped and the plane where it is located is arranged vertically, and the two ends of the connecting strip are respectively connected to the inner wall of the plate body where the installation groove is located and the inner wall of the plate body away from the installation groove.
[0014] By adopting the above technical solution, when in use, the sound-absorbing cotton and the elastic sound insulation block can play a role of sound insulation. Since the distance between the concave part of the installation groove and the plate surface away from the wall is relatively small, the metal raw materials outside the factory building are likely to cause damage to the installation mechanism in the installation groove when they collide. The elastic sound insulation block can effectively absorb the impact force and reduce the possibility of damage to the installation mechanism. In addition, the sound-absorbing cotton is arranged between adjacent installation grooves to effectively reduce the overall weight for easy disassembly and assembly.
[0015] Optionally, the outer walls of the plurality of sound-absorbing cottons and elastic sound insulation blocks are coated with explosion-proof films.
[0016] By adopting the above technical solution, when in use, it is relatively easy for external metal raw materials to scratch the outer wall of the board when colliding with the board. The explosion-proof membrane can still protect the sound-absorbing cotton and elastic sound insulation blocks when the board has local or minor damage, thereby reducing the impact on sound insulation and reducing the disassembly and assembly of the decorative panel for easy later maintenance.
[0017] Optionally, a powder layer is provided between the explosion-proof membrane, the sound-absorbing cotton and the elastic sound insulation block, and the powder layer is a powder layer composed of pigment powder.
[0018] By adopting the above technical solution, when metal raw materials outside the factory scratch the board body and the explosion-proof film, the pigment powder in the powder layer will leak through the damaged opening of the board body to remind the staff that the sound insulation structure inside the board body is damaged and needs to be replaced in time, thereby reducing the situation where the staff cannot check in time due to damage to the sound insulation structure and the board body.
[0019] Optionally, a plurality of grille holes are formed on the facing sides of the explosion-proof membrane, the sound-absorbing cotton and the elastic sound-insulating block, and the powder layer is arranged in the grille holes.
[0020] By adopting the above technical solution, the pigment powder in the powder layer is easily gathered at the bottom of the board under the action of gravity, resulting in the failure to provide a timely warning when the board and the explosion-proof membrane are damaged. The powder layer is arranged in the grille holes, so that after long-term use, the powder layer can still be evenly distributed in the board, so as to optimize the warning effect during use.
[0021] Optionally, the explosion-proof membrane is a composite membrane.
[0022] By adopting the above technical solution, the protective effect of the sound-absorbing cotton and the elastic sound insulation block during use can be effectively increased.
[0023] Optionally, a sealing groove is formed in the plate surface away from the wall at the upper edge of the plate body, a lap plate is fixedly connected to the lower edge of the plate body, and a lap portion is formed in the lap plate toward the wall, and the lap portion is overlapped on the sealing groove on the plate body below the plate body after installation.
[0024] By adopting the above technical solution, the possibility of external rainwater passing through the gap between the upper and lower plates during use can be effectively reduced. At the same time, the vertical plates can be overlapped to play a limiting role, and the overlapping plates can be used to assist in disassembly of the plates.
[0025] In summary, the present application includes at least one of the following beneficial technical effects:
[0026] 1. During assembly and disassembly, it is only necessary to clamp the two fixing bars on the plate body into the clamping grooves on the mounting bars. At the same time, the cross section of the clamping groove is an isosceles trapezoid, so that the outer wall of the fixing bar can fit into the cross section of the clamping groove, thereby effectively optimizing the stability of the plate support. The cross sections of the fixing bar and the mounting bar are both isosceles trapezoids, which can effectively enhance the load-bearing capacity of the fixing bar and the mounting bar, and can also limit the vertical slippage of the plate body, and can be soundproofed by a sound insulation structure. The mounting mechanism is arranged in the mounting groove, which can make the inner wall of the plate body fit into the outer wall of the wall, so as to reduce the possibility of damage to the plate body caused by the collision of metal raw materials outside the factory. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the installation structure of an embodiment of the present application;
[0028] Figure 2 yes Figure 1 Sectional view along line AA;
[0029] Figure 3 yes Figure 2 A part of the enlarged schematic diagram;
[0030] Figure 4 It is an exploded schematic diagram of an embodiment of the present application.
[0031] Explanation of the reference numerals: 1. Plate body; 11. Mounting groove; 12. Sealing groove; 13. Overlap plate; 131. Overlap portion; 2. Sound insulation structure; 21. Sound-absorbing cotton; 22. Elastic sound insulation block; 23. Connecting strip; 24. Explosion-proof membrane; 241. Grille hole; 25. Powder layer; 3. Mounting mechanism; 31. Mounting assembly; 311. Mounting strip; 312. Snap-in groove; 32. Fixing assembly; 321. Fixing strip; 322. Keel plate; 33. Support tube group; 331. First support tube; 3311. Support plate; 332. Second support tube. DETAILED DESCRIPTION
[0032] The following is combined with Figure 1-4 This application is described in further detail.
[0033] The present application discloses an inorganic patterned surface interior and exterior wall sound insulation decorative board. Figure 1 and Figure 2 The decorative board includes a hollow board body 1 and a sound insulation structure 2 arranged in the board body 1. A plurality of vertically extending mounting grooves 11 are formed concavely in the board surface of the board body 1 facing the wall.
[0034] Reference Figure 2 and Figure 3 The cross section of the mounting groove 11 is an isosceles trapezoid and a plurality of vertically distributed mounting mechanisms 3 are arranged inside the mounting groove 11. The mounting mechanism 3 includes a mounting assembly 31 connected to the groove wall of the mounting groove 11 and a fixing assembly 32 fixed to the wall. The mounting assembly 31 includes two mounting bars 311 fixed to the groove wall of the mounting groove 11. The two mounting bars 311 are both arc-shaped and the openings of the two bars are arranged facing each other. The radial plane of the mounting bar 311 is perpendicular to the plate body 1, and the opening direction of the mounting bar 311 is parallel to the plate body 1. A vertical clamping groove 312 with an isosceles trapezoidal cross section is opened on the inner and outer walls of the mounting bar 311. The clamping groove 312 is open at the large end and the two clamping grooves 312 on the two mounting bars 311 are arranged facing each other.
[0035] Reference Figure 2 and Figure 3 The fixing assembly 32 includes two fixing strips 321 having the same structure as the mounting strip 311 and a keel plate 322 preset on the wall. One end of the fixing strip 321 is fixed to the keel plate 322, and the other end of the fixing strip 321 is clamped in the clamping groove 312 on the mounting strip 311, and the two fixing strips 321 are arranged with openings facing each other. The fixing strip 321 and the mounting strip 311 are both elastic strips supported by elastic materials, and the outer wall where the hypotenuse of the isosceles trapezoid in cross section of the fixing strip 321 is located is attached to the groove wall where the hypotenuse of the isosceles trapezoid in cross section of the clamping groove 312 is located.
[0036] When disassembling and assembling, it is only necessary to make the two mounting strips 311 on the plate body 1 clamp the two fixing strips 321 in the clamping grooves 312 on the mounting strips 311. At the same time, the cross-section of the clamping grooves 312 is an isosceles trapezoid, so that the outer wall of the fixing strip 321 can fit in the cross-section of the clamping grooves 312, thereby effectively optimizing the stability of the support for the plate body 1. The cross-sections of the fixing strips 321 and the mounting strips 311 are both isosceles trapezoids, which can effectively enhance the load-bearing capacity of the fixing strips 321 and the mounting strips 311, and can also limit the vertical slippage of the plate body 1, and can be soundproofed by the sound insulation structure 2. The mounting mechanism 3 is arranged in the mounting groove 11, which can make the inner wall of the plate body 1 fit in the outer wall of the wall, so as to reduce the possibility of damage to the plate body 1 caused by the collision of metal raw materials outside the factory.
[0037] Reference Figure 2 and Figure 3 The length of the short side of the isosceles trapezoid in the cross section of the snap-in groove 312 is L1, and the length of the short side of the isosceles trapezoid in the cross section of the outer wall of the fixing strip 321 is L2, L2>L1, so that when the fixing strip 321 is snapped into the snap-in groove 312, the outer wall of the fixing strip 321 can fit relatively more closely to the groove wall of the snap-in groove 312 without causing interference.
[0038] A support tube group 33 for auxiliary support is arranged between the two fixing bars 321. The support tube group 33 includes a first support tube 331 fixed to the wall of the installation groove 11 and a second support tube 332 inserted in the first support tube 331. The second support tube 332 is fixed to the keel plate 322. The outer wall of the second support tube 332 is a frustum-shaped structure and its small end is inserted in the first support tube 331. The first support tube 331 includes a plurality of support plates 3311 with an arc-shaped plate-like structure. The plurality of support plates 3311 are arranged with the same central axis. The inner walls of the plurality of support plates 3311 are a frustum-shaped structure and their large ends are arranged toward the second support tube 332. When the first support tube 331 is inserted in the second support tube 332, the support plates 3311 are in an elastically bent state.
[0039] When in use, the first support tube 331 can be inserted into the second support tube 332 to assist in supporting the plate body 1. At the same time, the outer wall of the second support tube 332 is a frustum-shaped structure. When the second support tube 332 is inserted between multiple support plates 3311, the multiple support plates 3311 can be spread apart, so that even when the first support tube 331 and the second support tube 332 are eccentric, the plate body 1 can still be supported, thereby optimizing the stability of the support.
[0040] Reference Figure 3 and Figure 4The sound insulation structure 2 includes a plurality of sound-absorbing cottons 21 respectively arranged between the inner recesses of adjacent mounting grooves 11 and a plurality of elastic sound insulation blocks 22 respectively arranged at the locations where the inner recesses of the mounting grooves 11 are located, and a cavity is formed inside the elastic sound insulation blocks 22. A connecting strip 23 is arranged between the sound-absorbing cottons 21 and the elastic sound insulation blocks 22. The connecting strip 23 is V-shaped and the plane where it is located is arranged vertically, that is, the V-shape of the connecting strip 23 is arranged with an upper opening or a lower opening. The two ends of the connecting strip 23 are respectively connected to the inner wall where the top of the inner recess of the mounting groove 11 on the plate body 1 is located and the inner wall of the plate body 1 away from the mounting groove 11. Among them, the elastic sound insulation blocks 22 can be made of nylon blocks.
[0041] When in use, the sound-absorbing cotton 21 and the elastic sound-insulating block 22 can play a role in sound insulation. Since the distance between the inner recess of the installation groove 11 and the board surface of the board body 1 away from the wall is relatively small, the metal raw materials outside the factory building are likely to cause damage to the installation mechanism 3 in the installation groove 11 when colliding. The elastic sound-insulating block 22 can effectively absorb the impact force and reduce the possibility of damage to the installation mechanism 3. In addition, the sound-absorbing cotton 21 is arranged between adjacent installation grooves 11 to effectively reduce the overall weight for easy disassembly and assembly.
[0042] Reference Figure 3 and Figure 4 The outer walls of multiple sound-absorbing cottons 21 and elastic sound insulation blocks 22 are covered with explosion-proof membranes 24. When in use, the external metal raw materials can relatively easily scratch the outer wall of the board body 1 when colliding with the board body 1. The explosion-proof membrane 24 can still protect the sound-absorbing cotton 21 and the elastic sound insulation blocks 22 when the board body 1 has local or minor damage, thereby reducing the impact on sound insulation and reducing the disassembly and assembly of the decorative panel for later maintenance.
[0043] The explosion-proof membrane 24 is a composite membrane, which can effectively increase the protective effect on the sound-absorbing cotton 21 and the elastic sound insulation block 22 during use.
[0044] Reference Figure 3 and Figure 4 A powder layer 25 is arranged between the explosion-proof membrane 24, the sound-absorbing cotton 21 and the outer walls of the elastic sound insulation block 22. The powder layer 25 has a powder layer composed of harmless pigment powder, so that when the metal raw materials outside the factory scratch the plate body 1 and the explosion-proof membrane 24, the pigment powder of the powder layer 25 will leak through the damaged opening of the plate body 1 to remind the staff that the sound insulation structure 2 in the plate body 1 is damaged and needs to be replaced in time, thereby reducing the situation where the staff cannot check in time due to damage to the sound insulation structure 2 and the plate body 1.
[0045] Reference Figure 3 and Figure 4A plurality of grille holes 241 are formed between the outer walls where the explosion-proof membrane 24, the sound-absorbing cotton 21 and the elastic sound insulation block 22 are in contact, and a powder layer 25 is arranged in the grille hole 241. The pigment powder in the powder layer 25 is easily gathered at the bottom of the plate body 1 under the action of gravity, resulting in the failure to play a warning role in time when the plate body 1 and the explosion-proof membrane 24 are damaged. The powder layer 25 is arranged in the grille hole 241, so that after long-term use, the powder layer 25 can still be evenly distributed in the plate body 1 to optimize the warning effect during use.
[0046] The upper edge of the plate body 1 is concavely formed with a sealing groove 12 on the plate surface away from the wall, and the sealing groove 12 extends horizontally. The lower edge of the plate body 1 is fixedly connected with a lap plate 13, and the lap plate 13 is concavely formed with a groove-shaped lap portion 131 toward the side of the wall. The lap portion 131 is laid in the sealing groove 12 on the plate body 1 below the plate body 1, so as to reduce the possibility of external rainwater passing through the gap between the upper and lower plate bodies 1 during use, and at the same time, the vertical plates 1 can be laid on each other to play a limiting role, and the lap plate 13 can assist in the disassembly of the plate body 1.
[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. An inorganic patterned surface interior and exterior wall sound insulation decorative board, comprising a board body (1) with a hollow structure and a sound insulation structure (2) arranged inside the board body (1), characterized in that: The plate body (1) is formed with a plurality of vertically extending mounting grooves (11) inwardly concavely on one side facing the wall, the mounting groove (11) has an isosceles trapezoidal cross section and is provided with a plurality of vertically distributed mounting mechanisms (3) therein, the mounting mechanisms (3) comprising a mounting assembly (31) connected to the groove wall of the mounting groove (11) and a fixing assembly (32) fixed to the wall, the mounting assembly (31) comprising two mounting strips (311) fixed to the groove wall of the mounting groove (11), the two mounting strips (311) being both arc-shaped and mutually interlocked. The two mounting strips (311) are each provided with a clamping groove (312) with an isosceles trapezoidal cross section, and the two clamping grooves (312) are arranged to open toward each other, the fixing assembly (32) comprises two fixing strips (321) having the same structure as the mounting strips (311) and a keel plate (322) pre-set on the wall, the fixing strips (321) are clamped in the clamping groove (312), and the outer wall where the hypotenuse of the isosceles trapezoidal cross section of the fixing strip (321) is located is fitted to the groove wall where the hypotenuse of the isosceles trapezoidal cross section of the clamping groove (312) is located; A support tube group (33) for auxiliary support is arranged between the two fixing bars (321), the support tube group (33) comprising a first support tube (331) fixed to the groove wall of the installation groove (11) and a second support tube (332) fixed to the keel plate (322), the outer wall of the second support tube (332) presenting a frustum-shaped structure and the small end thereof being inserted into the first support tube (331), the first support tube (331) comprising a plurality of support plates (3311) presenting an arc-shaped plate structure, the plurality of support plates (3311) being arranged coaxially with the central axis and the inner walls of the plurality of support plates (3311) presenting a frustum-shaped structure, and the large ends of the inner walls of the plurality of support plates (3311) being arranged towards the second support tube (332); The length of the short side of the isosceles trapezoidal cross section of the clamping groove (312) is L1, and the length of the short side of the isosceles trapezoidal cross section of the outer wall of the fixing strip (321) is L2, and L2>L1.
2. The inorganic patterned surface interior and exterior wall sound insulation decorative board according to claim 1, characterized in that: The sound insulation structure (2) comprises a plurality of sound-absorbing cottons (21) respectively arranged between the inner recesses of the mounting grooves (11) and a plurality of elastic sound insulation blocks (22) respectively arranged at the locations where the inner recesses of the mounting grooves (11) are located, wherein the elastic sound insulation blocks (22) are formed with cavities, and a connecting strip (23) is arranged between the sound-absorbing cottons (21) and the elastic sound insulation blocks (22), wherein the connecting strip (23) is V-shaped and the plane on which it is located is arranged vertically, and the two ends of the connecting strip (23) are respectively connected to the inner wall of the plate body (1) at the location of the mounting groove (11) and the inner wall of the plate body (1) away from the mounting groove (11).
3. The inorganic patterned surface interior and exterior wall sound insulation decorative board according to claim 2, characterized in that: The outer walls of the plurality of sound-absorbing cottons (21) and the elastic sound-insulating blocks (22) are coated with explosion-proof membranes (24).
4. The inorganic patterned surface interior and exterior wall sound insulation decorative board according to claim 3, characterized in that: A powder layer (25) is provided between the explosion-proof membrane (24), the sound-absorbing cotton (21) and the elastic sound-insulating block (22), and the powder layer (25) is a powder layer composed of pigment powder.
5. The inorganic patterned surface interior and exterior wall sound insulation decorative board according to claim 4, characterized in that: The explosion-proof membrane (24), the sound-absorbing cotton (21), and the elastic sound-insulating block (22) are formed with a plurality of grille holes (241) on the facing sides thereof, and the powder layer (25) is arranged in the grille holes (241).
6. The inorganic patterned surface interior and exterior wall sound insulation decorative board according to claim 3, characterized in that: The explosion-proof membrane (24) is a composite membrane.
7. The inorganic patterned surface interior and exterior wall sound insulation decorative board according to claim 1, characterized in that: The upper edge of the plate body (1) is concavely formed with a sealing groove (12) on the plate surface away from the wall, the lower edge of the plate body (1) is fixedly connected with a lap plate (13), and the lap plate (13) is concavely formed with a lap portion (131) toward the wall, and the lap portion (131) is overlapped on the sealing groove (12) on the plate body (1) below the plate body (1) after installation.
Citation Information
Patent Citations
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