A household soundproof ceiling for roof sound insulation and installation method thereof

Abstract

The present invention discloses a household soundproof ceiling for soundproofing a roof, wherein a connecting component is installed on one side of a load-bearing keel, an installation groove is opened on one side of the load-bearing keel, a light steel keel is installed on the inner side of the installation groove, fixing columns are welded on both sides of an I-shaped plate, a torsion spring is welded on one side of the fixing column, an L-shaped rotating plate is installed on one side of the fixing column, a clamping plate is installed on one side of the L-shaped rotating plate, a limiting strip is welded on the top of the clamping plate, an auxiliary handle is fixedly installed on the middle part of the top of the L-shaped rotating plate, the load-bearing keel and the light steel keel are clamped and limited by the L-shaped rotation, the clamping plate and the limiting strip, thereby ensuring that the position of the light steel keel will not be offset when the light steel keel and the load-bearing keel are clamped and installed with each other, and further strengthening the connection stability between the load-bearing keel and the light steel keel, thereby ensuring that the keel is convenient to install while ensuring its stability and fixity.

Description

Technical Field

[0001] The invention relates to the technical field of suspended ceilings, in particular to a household soundproof suspended ceiling for soundproofing a roof and an installation method thereof. Background Art

[0002] Suspended ceiling refers to a kind of decoration on the top of the house living environment. Simply put, it refers to the decoration of decorative panels, which is one of the important parts of interior decoration. Suspended ceiling has the functions of heat preservation, heat insulation, sound insulation and sound absorption. It is also a hidden layer for electrical, ventilation and air conditioning, communication and fire protection, alarm pipeline equipment and other projects. Suspended ceiling is a common part of home decoration. Suspended ceiling has different classifications according to the materials of decorative panels.

[0003] However, the suspended ceilings currently on the market use a large number of screws during installation, which makes installation and removal more troublesome and cannot be installed quickly, thereby reducing the speed of installing the suspended ceiling and increasing the labor intensity of the workers during installation. Summary of the invention

[0004] The present invention provides a household soundproof ceiling for soundproofing the roof and an installation method thereof, which can effectively solve the problem proposed in the above background technology that a large number of screws are used during the installation of the ceiling, which makes the installation and disassembly more troublesome and cannot be installed quickly, thereby reducing the speed of installing the ceiling and increasing the labor intensity of the workers during the installation.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a household soundproof ceiling for soundproofing the roof, comprising a load-bearing keel, wherein a connecting assembly is installed on one side of the load-bearing keel;

[0006] The connecting assembly includes a mounting groove, a fixing strip, a light steel keel, a fixing port, an I-shaped plate, a fixing column, a torsion spring, an L-shaped rotating plate, a clamping plate, a limiting strip, a limiting port, an auxiliary handle, a T-shaped mounting port, a decorative plate, a T-shaped mounting strip, a fixing block, a T-shaped limiting hole, a fixing hole, a sliding groove, a reset spring, a sliding plate and a T-shaped limiting block;

[0007] A plurality of mounting grooves are equidistantly provided on one side of the load-bearing keel, and fixing strips are symmetrically fixedly installed on both sides of the mounting groove, and a light steel keel is embedded and installed on the inner side of the mounting groove, and a fixing opening is provided on the light steel keel at the position of the fixing strip, and an I-shaped plate is fixedly installed on the top of the two load-bearing keels, and fixing columns are welded on the middle parts of both sides of the I-shaped plate, and torsion springs are symmetrically welded on both ends of one side of the fixing column, and an L-shaped rotating plate is rotatably installed on the middle part of one side of the fixing column, and one end of the torsion spring is welded and installed on one side of the L-shaped rotating plate, and a clamping plate is fixedly installed on the bottom end of one side of the L-shaped rotating plate, and limiting strips are symmetrically welded on both sides of the top of the clamping plate, and a limiting opening is provided on the light steel keel at the position of the limiting strip, and the limiting strip is embedded and installed on the inner side of the limiting opening, and an auxiliary handle is fixedly installed on the middle part of the top of the L-shaped rotating plate;

[0008] The bottom end of the light steel keel is symmetrically provided with T-shaped mounting openings, and decorative panels are embedded and installed at the bottom ends of the two light steel keels. T-shaped mounting strips are fixedly installed at the positions of the T-shaped mounting openings on both sides of the top of the decorative panel, and a fixing block is fixedly installed at the middle part of the top of the decorative panel. T-shaped limiting holes are symmetrically provided on both sides of the top of the fixing block. A fixing hole is provided at one side of the load-bearing keel near the position of the fixing block, and sliding grooves are provided at both sides of the load-bearing keel near the position of the fixing holes. A return spring is fixedly installed at one end of the sliding groove, and one end of the return spring is welded and installed on one end of the sliding plate. The sliding plate is embedded and installed on the inner side of the sliding groove, and T-shaped limiting blocks are fixedly installed at both sides of the bottom end of the sliding plate at the positions of the T-shaped limiting holes.

[0009] Preferably, the fixing strip is embedded and installed inside the fixing opening, the clamping plate is embedded and installed inside the fixing opening, and the length, width and height of the limiting strip are respectively equal to the length, width and height of the limiting opening.

[0010] Preferably, the length and width of the fixing block are respectively equal to the length and width of the fixing hole, and the T-shaped limiting block is embedded and installed inside the T-shaped limiting hole.

[0011] Preferably, a fixing component is installed on the top of the load-bearing keel;

[0012] The fixing assembly includes a connecting column, a fixing ring, a connecting block, a connecting ring, a connecting rod, a mounting ring, a U-shaped plate, a threaded hole, a connecting screw, a fixing circular plate, a T-shaped fixing plate, a mounting circular plate, a T-shaped fixing groove and a T-shaped limiting plate;

[0013] The top of the load-bearing keel is symmetrically fixed with connecting columns on both sides, a fixing ring is sleeved on one side of the connecting column, connecting blocks are symmetrically welded at both ends of one side of the fixing ring, a connecting ring is sleeved on one side of the connecting block, a connecting rod is welded on one side of the connecting ring, one end of the connecting rod is welded and installed on one side of the mounting ring, the mounting ring is embedded and installed on the inner side of the U-shaped plate, the U-shaped plate and the load-bearing keel are both provided with threaded holes, a connecting screw is embedded and installed on the inner side of the threaded hole, the connecting screw is installed through the inner side of the mounting ring, and the U-shaped plate is welded and installed between the two connecting columns;

[0014] A fixed circular plate is welded to the top of the connecting column, a T-shaped fixed plate is welded to the top of the fixed circular plate, the T-shaped fixed plate is embedded and installed on the inner side of the mounting circular plate, a T-shaped fixed groove is opened on the mounting circular plate at the position of the T-shaped fixed plate, and a T-shaped limiting plate is clamped and installed on the inner side of the T-shaped fixed groove.

[0015] Preferably, the T-shaped fixing plate is embedded and installed inside the T-shaped fixing groove, and the length, width and height of the T-shaped limiting plate are respectively equal to the length, width and height of the T-shaped fixing plate.

[0016] Preferably, the bottom end of the decorative board is a gypsum layer, the top of the gypsum layer is paved with a ceramic fiber wool board, the top of the ceramic fiber wool board is paved with a thermal insulation layer, and the top of the thermal insulation layer is paved with an anti-corrosion layer.

[0017] Preferably, a method for installing a household soundproof ceiling for roof sound insulation is characterized by comprising the following steps:

[0018] S1. When a suspended ceiling is required, the mounting ring is sleeved into the U-shaped plate, and the connecting screw is inserted into the threaded hole to complete the fixing of the U-shaped plate and the mounting ring;

[0019] S2. After the U-shaped plate and the mounting ring are fixed, the fixing ring is sleeved into the connecting column (301) to fix the connecting rod;

[0020] S3. Insert the T-shaped fixing plate into the T-shaped fixing groove. After the T-shaped fixing plate is inserted, insert the T-shaped limiting plate into the T-shaped fixing groove, thereby completing the fixing of the T-shaped fixing plate and completing the installation.

[0021] Compared with the prior art, the present invention has the following beneficial effects: the present invention has a scientific and reasonable structure and is safe and convenient to use:

[0022] 1. A connection assembly is set up, and the load-bearing keel and the light steel keel are clamped together, and the light steel keel is clamped and limited by L-shaped rotation, clamping plates and limit strips, so as to ensure that the position of the light steel keel will not be offset when the light steel keel and the load-bearing keel are clamped and installed with each other, and at the same time, the connection stability between the load-bearing keel and the light steel keel is further strengthened, thereby ensuring that the keel is easy to install while ensuring its stability and fixity.

[0023] 2. Through the T-shaped installation strip, fixed block, T-shaped limiting hole, reset spring and sliding plate, it is convenient for the staff to clip the decorative panel to the light steel keel, and fix the decorative panel through the sliding plate to avoid the displacement of the decorative panel during installation, which affects the installation effect and efficiency. It is convenient for the staff to quickly install the decorative panel, so that the decorative panel is tightly installed to ensure its aesthetics.

[0024] 3. Set up fixing components, fix the load-bearing keel through connecting columns and connecting rods, and pull the middle part of the load-bearing keel to reduce the local load-bearing, so as to avoid local sinking due to insufficient local load-bearing or local damage. At the same time, through T-shaped fixing plates, mounting circular plates, and T-shaped limiting plates, it is convenient for workers to quickly install and fix the connecting columns.

[0025] 4. The gypsum layer and the ceramic fiber wool board make the decorative board have a certain sound insulation effect when in use. The ceramic fiber wool board and the insulation layer make the decorative board have a certain heat insulation and flame retardant effect when in use. The anti-corrosion layer prevents the decorative board from being corroded during use, thereby ensuring the service life of the decorative board.

[0026] To sum up, through the cooperation between the connecting components and the fixing components, it is convenient for the staff to quickly install the suspended ceiling while ensuring the stability and quality of the suspended ceiling, thereby accelerating the installation of the suspended ceiling and reducing the labor intensity of the staff. Through the cooperation of multiple components, the installation and disassembly of the suspended ceiling is facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0028] In the attached picture:

[0029] Figure 1 It is a schematic diagram of the structure of the present invention;

[0030] Figure 2 is a schematic structural diagram of a connection assembly of the present invention;

[0031] Figure 3It is a structural schematic diagram of the L-shaped rotating plate of the present invention;

[0032] Figure 4 is a schematic structural diagram of a T-shaped mounting strip of the present invention;

[0033] Figure 5 is a schematic structural diagram of a sliding plate of the present invention;

[0034] Figure 6 is a schematic structural diagram of a fixing assembly of the present invention;

[0035] Figure 7 It is a structural schematic diagram of the decorative plate of the present invention;

[0036] Figure 8 It is a schematic diagram of the steps of the method of using the present invention;

[0037] Numbers in the figure: 1, load-bearing keel;

[0038] 2. Connecting assembly; 201. Mounting slot; 202. Fixing strip; 203. Light steel keel; 204. Fixing port; 205. I-shaped plate; 206. Fixing column; 207. Torsion spring; 208. L-shaped rotating plate; 209. Snap-on plate; 210. Limiting strip; 211. Limiting port; 212. Auxiliary handle; 213. T-shaped mounting port; 214. Decorative plate; 215. T-shaped mounting strip; 216. Fixing block; 217. T-shaped limiting hole; 218. Fixing hole; 219. Sliding slot; 220. Reset spring; 221. Sliding plate; 222. T-shaped limiting block;

[0039] 3. Fixing assembly; 301. Connecting column; 302. Fixing ring; 303. Connecting block; 304. Connecting ring; 305. Connecting rod; 306. Mounting ring; 307. U-shaped plate; 308. Threaded hole; 309. Connecting screw; 310. Fixing circular plate; 311. T-shaped fixing plate; 312. Mounting circular plate; 313. T-shaped fixing groove; 314. T-shaped limiting plate;

[0040] 4. Gypsum layer; 5. Ceramic fiber wool board; 6. Thermal insulation layer; 7. Anti-corrosion layer. DETAILED DESCRIPTION

[0041] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0042] Example: Figure 1-7 As shown, the present invention provides a technical solution, a household soundproof ceiling for soundproofing the roof, comprising a load-bearing keel 1, and a connecting component 2 is installed on one side of the load-bearing keel 1;

[0043] The connecting assembly 2 includes a mounting groove 201, a fixing strip 202, a light steel keel 203, a fixing port 204, an I-shaped plate 205, a fixing column 206, a torsion spring 207, an L-shaped rotating plate 208, a clamping plate 209, a limiting strip 210, a limiting port 211, an auxiliary handle 212, a T-shaped mounting port 213, a decorative plate 214, a T-shaped mounting strip 215, a fixing block 216, a T-shaped limiting hole 217, a fixing hole 218, a sliding groove 219, a return spring 220, a sliding plate 221 and a T-shaped limiting block 222;

[0044] A plurality of installation grooves 201 are equidistantly provided on one side of the load-bearing keel 1, and fixing strips 202 are symmetrically fixedly installed on both sides of the installation groove 201. A light steel keel 203 is embedded and installed on the inner side of the installation groove 201. The light steel keel 203 is provided with a fixing opening 204 at the position of the fixing strip 202, and the fixing strip 202 is embedded and installed on the inner side of the fixing opening 204, so as to facilitate the fixation of the light steel keel 203. An I-shaped plate 205 is fixedly installed on the top of the two load-bearing keels 1, and fixing columns 206 are welded in the middle of both sides of the I-shaped plate 205. Torsion springs 207 are symmetrically welded at both ends of one side of the fixing column 206, and an L-shaped rotating plate 208 is rotatably installed in the middle of one side of the fixing column 206. The torsion spring 207 One end is welded and installed on one side of the L-shaped rotating plate 208, and a clamping plate 209 is fixedly installed on the bottom end of one side of the L-shaped rotating plate 208. The clamping plate 209 is embedded and installed on the inner side of the fixing opening 204, so as to facilitate the limiting of the light steel keel 203. The limiting strips 210 are symmetrically welded on both sides of the top of the clamping plate 209. The light steel keel 203 is provided with a limiting opening 211 at the position of the limiting strip 210. The limiting strip 210 is embedded and installed on the inner side of the limiting opening 211. The length, width and height of the limiting strip 210 are respectively equal to the length, width and height of the limiting opening 211, so as to facilitate the limiting of the light steel keel 203. An auxiliary handle 212 is fixedly installed on the middle part of the top of the L-shaped rotating plate 208;

[0045] A T-shaped mounting opening 213 is symmetrically provided at the bottom of the light steel keel 203, and a decorative panel 214 is embedded and installed at the bottom of the two light steel keels 203. T-shaped mounting strips 215 are fixedly installed at the positions of the T-shaped mounting opening 213 on both sides of the top of the decorative panel 214. A fixing block 216 is fixedly installed at the middle of the top of the decorative panel 214. T-shaped limiting holes 217 are symmetrically provided on both sides of the top of the fixing block 216. A fixing hole 218 is provided at one side of the load-bearing keel 1 near the fixing block 216. The length and width of the fixing block 216 are respectively equal to the length and width of the fixing hole 218. A T-shaped limiting block 222 is embedded and installed inside the T-shaped limiting hole 217, so as to facilitate the limiting of the decorative panel 214. The load-bearing keel 1 Sliding grooves 219 are opened on both sides near the fixing holes 218, and a return spring 220 is fixedly installed at one end of the sliding groove 219. One end of the return spring 220 is welded and installed on one end of the sliding plate 221. The sliding plate 221 is embedded in the inner side of the sliding groove 219, and T-shaped limiting blocks 222 are fixedly installed at the positions of the T-shaped limiting holes 217 on both sides of the bottom end of the sliding plate 221.

[0046] A fixing component 3 is installed at the top of the load-bearing keel 1;

[0047] The fixing assembly 3 includes a connecting column 301, a fixing ring 302, a connecting block 303, a connecting ring 304, a connecting rod 305, a mounting ring 306, a U-shaped plate 307, a threaded hole 308, a connecting screw 309, a fixing circular plate 310, a T-shaped fixing plate 311, a mounting circular plate 312, a T-shaped fixing groove 313 and a T-shaped limiting plate 314;

[0048] Connecting columns 301 are symmetrically fixedly installed on both sides of the top of the load-bearing keel 1, a fixing ring 302 is sleeved on one side of the connecting column 301, connecting blocks 303 are symmetrically welded on both ends of one side of the fixing ring 302, a connecting ring 304 is sleeved on one side of the connecting block 303, a connecting rod 305 is welded on one side of the connecting ring 304, one end of the connecting rod 305 is welded and installed on one side of the mounting ring 306, the mounting ring 306 is embedded and installed on the inner side of the U-shaped plate 307, the U-shaped plate 307 and the load-bearing keel 1 are both provided with threaded holes 308, a connecting screw 309 is embedded and installed on the inner side of the threaded hole 308, the connecting screw 309 is installed through the inner side of the mounting ring 306, the U-shaped plate 307 is welded and installed between the two connecting columns 301, and the connecting rod 305 is a steel wire;

[0049] A fixing circular plate 310 is welded to the top of the connecting column 301, and a T-shaped fixing plate 311 is welded and installed on the top of the fixing circular plate 310. The T-shaped fixing plate 311 is embedded and installed on the inner side of the mounting circular plate 312. The mounting circular plate 312 is provided with a T-shaped fixing groove 313 at the position of the T-shaped fixing plate 311. A T-shaped limiting plate 314 is clamped and installed on the inner side of the T-shaped fixing groove 313. The T-shaped fixing plate 311 is embedded and installed on the inner side of the T-shaped fixing groove 313. The length, width and height of the T-shaped limiting plate 314 are respectively equal to the length, width and height of the T-shaped fixing plate 311, thereby facilitating the fixation and installation of the load-bearing keel 1.

[0050] The bottom of the decorative board 214 is a gypsum layer 4, the top of the gypsum layer 4 is paved with a ceramic fiber wool board 5, the top of the ceramic fiber wool board 5 is paved with an insulation layer 6, and the top of the insulation layer 6 is paved with an anti-corrosion layer 7, the insulation layer 6 is made of aerogel, and the anti-corrosion layer 7 is made of mildew inhibitor.

[0051] like Figure 8 As shown: A method for installing a household soundproof ceiling for roof sound insulation, comprising the following steps:

[0052] S1. When a ceiling is to be suspended, the mounting ring 306 is sleeved into the U-shaped plate 307, and the connecting screw 309 is inserted into the threaded hole 308, thereby completing the fixing of the U-shaped plate 307 and the mounting ring 306;

[0053] S2. After the U-shaped plate 307 and the mounting ring 306 are fixed, the fixing ring 302 is sleeved into the connecting column 301 to fix the connecting rod 305;

[0054] S3, inserting the T-shaped fixing plate 311 into the T-shaped fixing groove 313, and after the T-shaped fixing plate 311 is inserted, inserting the T-shaped limiting plate 314 into the T-shaped fixing groove 313, thereby completing the fixing of the T-shaped fixing plate 311 and completing the installation.

[0055] The working principle and use process of the present invention are as follows: when it is necessary to perform ceiling hanging, the mounting ring 306 is sleeved into the U-shaped plate 307, and the connecting screw 309 is inserted into the threaded hole 308, so as to complete the fixation of the U-shaped plate 307 and the mounting ring 306. After the U-shaped plate 307 and the mounting ring 306 are fixed, the fixing ring 302 is sleeved into the connecting column 301, so as to achieve the fixation of the connecting rod 305, and then the T-shaped fixing plate 311 is inserted into the T-shaped fixing groove 313. After the T-shaped fixing plate 311 is inserted, the T-shaped limiting plate 314 is inserted into the T-shaped fixing groove 313, so as to complete the fixation of the T-shaped fixing plate 311, thereby facilitating the installation of the connecting column 301 on the load-bearing keel 1;

[0056] After the installation of the load-bearing keel 1 is completed, the staff inserts the light steel keel 203 from the installation groove 201 to the bottom end of the load-bearing keel 1, and inserts the fixing strip 202 into the fixing opening 204. When the light steel keel 203 is inserted, the L-shaped rotating plate 208 is pulled to rotate by the auxiliary handle 212. After the light steel keel 203 is inserted, the auxiliary handle 212 is released. Under the action of the torsion spring 207, the L-shaped rotating plate 208 rotates, the clamping plate 209 is clamped into the fixing opening 204, and the limiting strip 210 is inserted into the limiting opening 211, thereby completing the installation and fixing of the light steel keel 203;

[0057] After the light steel keel 203 is installed and fixed, the decorative plate 214 is embedded and installed at the bottom end of the light steel keel 203, and the T-shaped installation strip 215 is inserted into the T-shaped installation opening 213. During the insertion, the fixing block 216 is inserted between the load-bearing keel 1 and the light steel keel 203 along the fixing hole 218. The staff pulls the sliding plate 221. After the insertion is completed, the sliding plate 221 is released. Under the action of the reset spring 220, the sliding plate 221 is pushed to move, and the T-shaped limiting block 222 is inserted into the T-shaped limiting hole 217, thereby completing the fixing and installation of the decorative plate 214;

[0058] Through the gypsum layer 4, the ceramic fiber wool board 5, the thermal insulation layer 6 and the anti-corrosion layer 7, it is ensured that the suspended ceiling has certain sound insulation, heat insulation, thermal insulation and anti-corrosion effects, thereby ensuring the comfort of personnel when using it and ensuring the service life of the suspended ceiling.

[0059] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A household soundproof ceiling for soundproofing the roof, comprising a load-bearing keel (1), characterized in that: A connecting component (2) is installed on one side of the load-bearing keel (1); The connecting assembly (2) comprises a mounting groove (201), a fixing strip (202), a light steel keel (203), a fixing opening (204), an I-shaped plate (205), a fixing column (206), a torsion spring (207), an L-shaped rotating plate (208), a clamping plate (209), a limiting strip (210), a limiting opening (211), an auxiliary handle (212), a T-shaped mounting opening (213), a decorative plate (214), a T-shaped mounting strip (215), a fixing block (216), a T-shaped limiting hole (217), a fixing hole (218), a sliding groove (219), a return spring (220), a sliding plate (221) and a T-shaped limiting block (222); A plurality of installation grooves (201) are equidistantly provided on one side of the load-bearing keel (1), and fixing strips (202) are symmetrically fixedly installed on both sides of the installation groove (201). A light steel keel (203) is embedded and installed on the inner side of the installation groove (201), and a fixing opening (204) is provided on the light steel keel (203) at the position of the fixing strip (202). I-shaped plates (205) are fixedly installed on the tops of the two load-bearing keels (1), and fixing columns (206) are welded to the middle of both sides of the I-shaped plates (205), and torsion springs (207) are symmetrically welded to both ends of one side of the fixing column (206). An L-shaped rotating plate (208) is rotatably mounted in the middle of one side of the column (206), one end of the torsion spring (207) is welded and mounted on one side of the L-shaped rotating plate (208), a clamping plate (209) is fixedly mounted at the bottom end of one side of the L-shaped rotating plate (208), limiting strips (210) are symmetrically welded on both sides of the top of the clamping plate (209), a limiting opening (211) is provided on the light steel keel (203) at the position of the limiting strip (210), the limiting strip (210) is embedded and mounted inside the limiting opening (211), and an auxiliary handle (212) is fixedly mounted in the middle of the top of the L-shaped rotating plate (208); The bottom end of the light steel keel (203) is symmetrically provided with a T-shaped installation opening (213), and the bottom ends of the two light steel keels (203) are embedded with decorative panels (214), and T-shaped installation strips (215) are fixedly installed at the positions of the T-shaped installation opening (213) on both sides of the top of the decorative panel (214), and a fixing block (216) is fixedly installed in the middle of the top of the decorative panel (214), and T-shaped limiting holes (217) are symmetrically provided on both sides of the top of the fixing block (216), and one side of the load-bearing keel (1) is close to the fixing block (216). ) is provided at the position of the bearing keel (1), sliding grooves (219) are provided at the positions near the fixing holes (218) on both sides of the bearing keel (1), a return spring (220) is fixedly installed at one end of the return spring (220), one end of the return spring (220) is welded and installed at one end of the sliding plate (221), the sliding plate (221) is embedded and installed in the inner side of the sliding groove (219), and T-shaped limiting blocks (222) are fixedly installed at the positions of the T-shaped limiting holes (217) on both sides of the bottom end of the sliding plate (221); The fixing strip (202) is embedded and installed inside the fixing opening (204), the clamping plate (209) is embedded and installed inside the fixing opening (204), and the length, width and height of the limiting strip (210) are respectively equal to the length, width and height of the limiting opening (211); The bottom end of the decorative plate (214) is a gypsum layer (4), the top end of the gypsum layer (4) is paved with a ceramic fiber wool board (5), the top end of the ceramic fiber wool board (5) is paved with a thermal insulation layer (6), and the top end of the thermal insulation layer (6) is paved with an anti-corrosion layer (7).

2. A household soundproof ceiling for rooftop sound insulation according to claim 1, characterized in that: The length and width of the fixing block (216) are respectively equal to the length and width of the fixing hole (218), and the T-shaped limiting block (222) is embedded and installed inside the T-shaped limiting hole (217).

3. A household soundproof ceiling for rooftop sound insulation according to claim 1, characterized in that: A fixing component (3) is installed at the top of the load-bearing keel (1); The fixing assembly (3) comprises a connecting column (301), a fixing ring (302), a connecting block (303), a connecting ring (304), a connecting rod (305), a mounting ring (306), a U-shaped plate (307), a threaded hole (308), a connecting screw (309), a fixing circular plate (310), a T-shaped fixing plate (311), a mounting circular plate (312), a T-shaped fixing groove (313) and a T-shaped limiting plate (314); The top of the load-bearing keel (1) is symmetrically fixed with connecting columns (301), one side of the connecting column (301) is sleeved with a fixing ring (302), and two ends of one side of the fixing ring (302) are symmetrically welded with connecting blocks (303), one side of the connecting block (303) is sleeved with a connecting ring (304), and one side of the connecting ring (304) is welded with a connecting rod (305), one end of the connecting rod (305) is welded and installed on one side of the mounting ring (306), and the mounting ring (306) is embedded and installed on the inner side of a U-shaped plate (307), and the U-shaped plate (307) and the load-bearing keel (1) are both provided with threaded holes (308), and a connecting screw (309) is embedded and installed inside the threaded hole (308), and the connecting screw (309) is installed through the inner side of the mounting ring (306), and the U-shaped plate (307) is welded and installed between the two connecting columns (301); A fixing circular plate (310) is welded to the top of the connecting column (301), a T-shaped fixing plate (311) is welded to the top of the fixing circular plate (310), the T-shaped fixing plate (311) is embedded and installed on the inner side of the mounting circular plate (312), a T-shaped fixing groove (313) is provided on the mounting circular plate (312) at the position of the T-shaped fixing plate (311), and a T-shaped limiting plate (314) is clamped and installed on the inner side of the T-shaped fixing groove (313).

4. A household soundproof ceiling for rooftop sound insulation according to claim 3, characterized in that: The T-shaped fixing plate (311) is embedded and installed inside the T-shaped fixing groove (313), and the length, width and height of the T-shaped limiting plate (314) are respectively equal to the length, width and height of the T-shaped fixing plate (311).

5. A method for installing a household soundproof ceiling for roof sound insulation, applied to the household soundproof ceiling for roof sound insulation as claimed in claim 3, characterized in that: The steps include: S1. When a ceiling is to be suspended, the mounting ring (306) is sleeved into the U-shaped plate (307), and the connecting screw (309) is inserted into the threaded hole (308), thereby completing the fixing of the U-shaped plate (307) and the mounting ring (306); S2. After the U-shaped plate (307) and the mounting ring (306) are fixed, the fixing ring (302) is sleeved into the connecting column (301), thereby fixing the connecting rod (305); S3, inserting the T-shaped fixing plate (311) into the T-shaped fixing groove (313), and after the T-shaped fixing plate (311) is inserted, inserting the T-shaped limiting plate (314) into the T-shaped fixing groove (313), thereby completing the fixing of the T-shaped fixing plate (311) and completing the installation.

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