Suspended ceiling sound insulation structure

Abstract

The utility model provides a suspended ceiling sound insulation structure which is characterized in that sound insulation cotton, sound insulation felt, an upper gypsum board and a lower gypsum board are all horizontally arranged in the left-right direction, the upper gypsum board is located below a suspended ceiling keel and connected with the suspended ceiling keel, the lower gypsum board is located below the upper gypsum board and connected with the upper gypsum board, and the sound insulation cotton is arranged on the upper gypsum board. The sound insulation felt is located between the upper-layer gypsum board and the lower-layer gypsum board, the first closing-in board is horizontally arranged in the front-back direction and located between the left end of the sound insulation cotton and the left end of the upper-layer gypsum board, and the second closing-in board is vertically arranged in the front-back direction, embedded in the left end face of the sound insulation cotton, located on the left side of the first closing-in board and connected with the first closing-in board. The shock pad is vertically arranged in the front-back direction, located on the right side of the side wall, located on the left sides of the second closing-in plate, the left ends of the upper-layer gypsum board and the lower-layer gypsum board and the left side of the left end of the sound-proof felt and abuts against the second closing-in plate, the left ends of the upper-layer gypsum board and the lower-layer gypsum board. The sealant is sealed among the side wall, the shock pad and the lower-layer gypsum board. According to the utility model, the transmission of external noise can be effectively reduced and reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to the technical field of suspended ceiling construction, and specifically refers to a suspended ceiling sound insulation structure. Background Art

[0002] Building construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction, etc.

[0003] In architectural design and interior decoration, sound insulation is a very important consideration. Sound insulation in buildings can improve the quality of life and health of people living there, because it can effectively isolate the noises such as vehicle noise, construction site noise, and crowd noise that can be heard everywhere in the city, allowing people to enjoy a quieter and more comfortable living environment, reduce psychological problems such as insomnia, anxiety, and depression caused by noise, reduce the impact of noise on people's hearing, and protect hearing health; for workers, it can improve work efficiency, because sound insulation can effectively reduce noise, which is conducive to the staff to concentrate on work and improve the work efficiency and quality of the staff.

[0004] In the process of decoration engineering construction, ceiling construction is to decorate the ceiling in modern house decoration. The ceiling has the function of improving indoor environmental conditions, which can improve the indoor light environment, thermal environment and sound environment. In addition, the ceiling can also beautify the environment of the space and improve the indoor decoration effect, and can also adjust the volume and shape of the indoor space.

[0005] Therefore, it is desirable to provide a suspended ceiling sound insulation structure that can effectively reduce and minimize the propagation of external noise. Utility Model Content

[0006] In order to overcome the above-mentioned shortcomings of the prior art, one object of the utility model is to provide a ceiling sound insulation structure, which can effectively reduce and minimize the propagation of external noise and is suitable for large-scale promotion and application.

[0007] Another object of the utility model is to provide a suspended ceiling sound insulation structure, which has ingenious design, simple structure, simple construction, low construction cost, and is suitable for large-scale promotion and application.

[0008] To achieve the above purpose, the utility model provides a ceiling sound insulation structure, including side walls, floor slabs, ceiling hangers and ceiling keels, wherein the side walls are arranged vertically and along the front-back direction, the floor slabs are arranged horizontally and along the left-right direction, the floor slabs are located on the right side of the top of the side wall and connected to the top of the side wall, the ceiling hangers are arranged vertically and under the floor slabs and on the right side of the side wall, the upper end of the ceiling hangers is connected to the floor slabs, the ceiling keels are arranged horizontally and along the left-right direction, the ceiling keels are located under the floor slabs and on the right side of the side wall and connected to the lower end of the ceiling hangers, and the characteristic is that the ceiling sound insulation structure also includes sound insulation cotton, an upper gypsum board, sound insulation felt, a lower gypsum board, an L-shaped closing piece, a shock-absorbing pad and a sealant, wherein:

[0009] The sound insulation cotton, the upper gypsum board, the sound insulation felt and the lower gypsum board are all arranged horizontally and along the left-right direction. The upper gypsum board is located under the ceiling keel and connected to the ceiling keel. The lower gypsum board is located under the upper gypsum board and connected to the upper gypsum board. The sound insulation cotton is arranged on the upper gypsum board. The sound insulation felt is located between the upper gypsum board and the lower gypsum board and respectively abuts against the upper gypsum board and the lower gypsum board. The L-shaped closing piece includes a first closing plate and a second closing plate. The first closing plate is arranged horizontally and along the front-back direction. The first closing plate is located between the left end of the sound insulation cotton and the left end of the upper gypsum board and respectively abuts against the left end of the sound insulation cotton. end and the left end of the upper gypsum board, the second closing plate is vertically arranged and arranged along the front-to-back direction, the second closing plate is embedded in the end surface of the left end of the sound insulation cotton and is located to the left of the first closing plate and is connected to the first closing plate, the shock-absorbing pad is vertically arranged and arranged along the front-to-back direction, the shock-absorbing pad is located on the right side of the side wall and is located to the left of the second closing plate, the left end of the upper gypsum board, the left end of the sound insulation felt and the left end of the lower gypsum board and respectively abuts against the side wall, the second closing plate, the left end of the upper gypsum board, the left end of the sound insulation felt and the left end of the lower gypsum board, and the sealant is sealed between the side wall, the shock-absorbing pad and the left end of the lower gypsum board.

[0010] Preferably, the sound insulation wool is glass wool.

[0011] Preferably, the sound insulation felt is EF sound insulation felt.

[0012] Preferably, the shock-absorbing pad is a shock-absorbing rubber pad.

[0013] Preferably, the upper gypsum board and the ceiling keel as well as the lower gypsum board and the upper gypsum board are fixed together by self-tapping screws, and the sound insulation cotton is pasted on the upper gypsum board.

[0014] Preferably, the ceiling sound insulation structure further comprises a U-shaped connector, a left fastener, a right fastener, a lower fastener, an upper plastic pad and a lower plastic pad, wherein:

[0015] The U-shaped connecting member comprises a left fixing plate, a right fixing plate, a left connecting plate, a right connecting plate and a connecting bottom plate, the left fixing plate and the right fixing plate are both arranged horizontally and along the left-right direction and are spaced apart from each other on the left and right sides, the left connecting plate and the right connecting plate are both arranged vertically and along the front-back direction and are spaced apart from each other on the left and right sides, the upper side of the left connecting plate and the upper side of the right connecting plate are respectively connected to the right end of the left fixing plate and the left end of the right fixing plate, the connecting bottom plate is horizontally arranged and along the left-right direction, and the lower side of the left connecting plate and the lower side of the right connecting plate are respectively connected to the left end and the right end of the connecting bottom plate;

[0016] The left fixing plate and the right fixing plate are both located under the floor slab and abut against the floor slab, the left fastener and the right fastener are both arranged vertically, the left fastener vertically penetrates the left fixing plate and the floor slab to fix the left fixing plate and the floor slab together, and the right fastener vertically penetrates the right fixing plate and the floor slab to fix the right fixing plate and the floor slab together;

[0017] The upper plastic pad and the lower plastic pad are both arranged horizontally and along the left and right directions, the upper plastic pad is located between the left connecting plate and the right connecting plate and abuts against the connecting bottom plate, the lower plastic pad is located under the connecting bottom plate and abuts against the connecting bottom plate, the upper end of the ceiling hanger rod is vertically penetrated by the upper plastic pad, the connecting bottom plate and the lower plastic pad, the top of the ceiling hanger rod abuts against the upper plastic pad, the lower fastener is sleeved and threadedly engaged with the upper end of the ceiling hanger rod, and the lower fastener is located under the lower plastic pad and abuts against the lower plastic pad.

[0018] More preferably, the left fastener and the right fastener are both expansion bolts.

[0019] More preferably, the upper plastic pad and the lower plastic pad are both PU pads.

[0020] More preferably, the lower fastener is a nut.

[0021] More preferably, the ceiling sound insulation structure also includes an upper gasket and a lower gasket, which are both horizontally arranged and sleeved on the upper end of the ceiling hanger, the upper gasket is located between the top of the ceiling hanger and the upper plastic pad and respectively abuts against the top of the ceiling hanger and the upper plastic pad, and the lower gasket is located between the lower plastic pad and the lower fastener and respectively abuts against the lower plastic pad and the lower fastener.

[0022] The beneficial effects of the utility model are mainly:

[0023] 1. The sound insulation cotton, upper gypsum board, sound insulation felt and lower gypsum board of the ceiling sound insulation structure of the utility model are all arranged horizontally and in the left-right direction. The upper gypsum board is located under the ceiling keel and connected to it, the lower gypsum board is located under the upper gypsum board and connected to it, the sound insulation cotton is arranged on the upper gypsum board, the sound insulation felt is located between the upper gypsum board and the lower gypsum board and respectively abuts against the two, and the first closing plate of the L-shaped closing member is arranged horizontally and in the front-back direction, located between the left end of the sound insulation cotton and the left end of the upper gypsum board and respectively abuts against Relying on both, the second closing plate is arranged vertically and along the front-to-back direction, embedded in the left end surface of the sound insulation cotton and located on the left side of the first closing plate and connected with it, the shock-absorbing pad is arranged vertically and along the front-to-back direction, located on the right side of the side wall and located on the left side of the second closing plate, the left end of the upper gypsum board, the left end of the sound insulation felt and the left end of the lower gypsum board and abut against them respectively, the sealant is sealed between the side wall, the shock-absorbing pad and the left end of the lower gypsum board, therefore, it can effectively reduce and reduce the spread of external noise, and is suitable for large-scale promotion and application.

[0024] 2. The sound insulation cotton, upper gypsum board, sound insulation felt and lower gypsum board of the ceiling sound insulation structure of the utility model are all arranged horizontally and in the left-right direction. The upper gypsum board is located under the ceiling keel and connected to it, the lower gypsum board is located under the upper gypsum board and connected to it, the sound insulation cotton is arranged on the upper gypsum board, the sound insulation felt is located between the upper gypsum board and the lower gypsum board and respectively abuts against the two, and the first closing plate of the L-shaped closing member is arranged horizontally and in the front-back direction, located between the left end of the sound insulation cotton and the left end of the upper gypsum board and respectively abuts against Both, the second closing plate is arranged vertically and along the front-to-back direction, embedded in the left end face of the sound insulation cotton and located on the left side of the first closing plate and connected with it, the shock-absorbing pad is arranged vertically and along the front-to-back direction, located on the right side of the side wall and located on the left side of the second closing plate, the left end of the upper gypsum board, the left end of the sound insulation felt and the left end of the lower gypsum board and abut against them respectively, the sealant is sealed between the side wall, the shock-absorbing pad and the left end of the lower gypsum board. Therefore, it has ingenious design, simple structure, simple construction, low construction cost, and is suitable for large-scale promotion and application.

[0025] These and other objects, features and advantages of the present invention are fully reflected in the following detailed description and drawings, and can be achieved by the means, devices and their combinations specifically pointed out in the content of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a partial schematic diagram of a front perspective view of a specific embodiment of the suspended ceiling sound insulation structure of the utility model.

[0027] Figure 2 yes Figure 1 A partial enlarged schematic diagram of the structure shown Figure 1 .

[0028] Figure 3 yes Figure 1 A partial enlarged schematic diagram of the structure shown Figure 2 .

[0029] (Explanation of symbols)

[0030] 1 side wall; 2 floor slab; 3 ceiling hanger rod; 4 ceiling keel; 5 sound insulation cotton; 6 upper gypsum board; 7 sound insulation felt; 8 lower gypsum board; 9 L-shaped closing piece; 10 shock-absorbing pad; 11 sealant; 12 first closing board; 13 second closing board; 14 self-tapping screw; 15 U-shaped connecting piece; 16 left fastener; 17 right fastener; 18 lower fastener; 19 upper plastic pad; 20 lower plastic pad; 21 left fixing plate; 22 right fixing plate; 23 left connecting plate; 24 right connecting plate; 25 connecting bottom plate; 26 upper gasket; 27 lower gasket; 28 first fastener; 29 second fastener. DETAILED DESCRIPTION

[0031] In order to more clearly understand the technical content of the present invention, the following embodiments are given in detail.

[0032] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0033] See also Figure 1 to Figure 3 As shown, in a specific embodiment of the utility model, the ceiling sound insulation structure of the utility model includes a side wall 1, a floor slab 2, a ceiling hanger 3, a ceiling keel 4, sound insulation cotton 5, an upper gypsum board 6, a sound insulation felt 7, a lower gypsum board 8, an L-shaped closing piece 9, a shock-absorbing pad 10 and a sealant 11, wherein:

[0034] The side wall 1 is vertically arranged and arranged in the front-to-back direction, the floor 2 is horizontally arranged and arranged in the left-to-right direction, the floor 2 is located on the right side of the top of the side wall 1 and connected to the top of the side wall 1, the ceiling hanger 3 is vertically arranged and located under the floor 2 and on the right side of the side wall 1, the upper end of the ceiling hanger 3 is connected to the floor 2, the ceiling keel 4 is horizontally arranged and arranged in the left-to-right direction, the ceiling keel 4 is located under the floor 2 and on the right side of the side wall 1 and connected to the lower end of the ceiling hanger 3;

[0035] The sound insulation cotton 5, the upper gypsum board 6, the sound insulation felt 7 and the lower gypsum board 8 are all arranged horizontally and along the left-right direction. The upper gypsum board 6 is located under the ceiling keel 4 and connected to the ceiling keel 4. The lower gypsum board 8 is located under the upper gypsum board 6 and connected to the upper gypsum board 6. The sound insulation cotton 5 is arranged on the upper gypsum board 6. The sound insulation felt 7 is located between the upper gypsum board 6 and the lower gypsum board 8 and respectively abuts against the upper gypsum board 6 and the lower gypsum board 8. The L-shaped closing member 9 includes a first closing plate 12 and a second closing plate 13. The first closing plate 12 is arranged horizontally and along the front-back direction. The first closing plate 12 is located between the left end of the sound insulation cotton 5 and the left end of the upper gypsum board 6 and respectively abuts against the left end and The left end of the upper gypsum board 6, the second closing plate 13 is vertically arranged and arranged along the front-to-back direction, the second closing plate 13 is embedded in the end face of the left end of the sound insulation cotton 5 and is located on the left side of the first closing plate 12 and is connected to the first closing plate 12, the shock-absorbing pad 10 is vertically arranged and arranged along the front-to-back direction, the shock-absorbing pad 10 is located on the right side of the side wall 1 and is located on the left side of the second closing plate 13, the left end of the upper gypsum board 6, the left end of the sound insulation felt 7 and the left end of the lower gypsum board 8 and respectively abuts against the side wall 1, the second closing plate 13, the left end of the upper gypsum board 6, the left end of the sound insulation felt 7 and the left end of the lower gypsum board 8, and the sealant 11 is sealed between the side wall 1, the shock-absorbing pad 10 and the left end of the lower gypsum board 8.

[0036] The sound insulation cotton 5 can be made of any suitable material. In a specific embodiment of the present invention, the sound insulation cotton 5 is glass wool.

[0037] The sound insulation felt 7 can be a sound insulation felt made of any suitable material. In a specific embodiment of the present invention, the sound insulation felt 7 is an EF sound insulation felt, that is, an extruded polyethylene closed-cell foam coil.

[0038] The shock-absorbing pad 10 can be a shock-absorbing pad made of any suitable material. In a specific embodiment of the present utility model, the shock-absorbing pad 10 is a shock-absorbing rubber pad.

[0039] The upper gypsum board 6 is connected to the ceiling keel 4, and the lower gypsum board 8 is connected to the upper gypsum board 6. Any suitable structure can be adopted. Figure 1-2 As shown, in a specific embodiment of the present utility model, the upper gypsum board 6 and the ceiling keel 4 as well as the lower gypsum board 8 and the upper gypsum board 6 are fixed together by self-tapping screws 14.

[0040] The sound insulation cotton 5 is arranged on the upper gypsum board 6 and can adopt any suitable structure. In a specific embodiment of the present utility model, the sound insulation cotton 5 is pasted on the upper gypsum board 6.

[0041] The ceiling sound insulation structure may also include any other suitable components, see Figure 1 and Figure 3 As shown, in a specific embodiment of the utility model, the ceiling sound insulation structure further includes a U-shaped connector 15, a left fastener 16, a right fastener 17, a lower fastener 18, an upper plastic pad 19 and a lower plastic pad 20, wherein:

[0042] The U-shaped connecting member 15 includes a left fixing plate 21, a right fixing plate 22, a left connecting plate 23, a right connecting plate 24 and a connecting bottom plate 25, wherein the left fixing plate 21 and the right fixing plate 22 are both arranged horizontally and along the left-right direction and are spaced apart from each other on the left and right sides, the left connecting plate 23 and the right connecting plate 24 are both arranged vertically and along the front-back direction and are spaced apart from each other on the left and right sides, the upper side of the left connecting plate 23 and the upper side of the right connecting plate 24 are respectively connected to the right end of the left fixing plate 21 and the left end of the right fixing plate 22, the connecting bottom plate 25 is horizontally arranged and along the left-right direction, the lower side of the left connecting plate 23 and the lower side of the right connecting plate 24 are respectively connected to the left end and the right end of the connecting bottom plate 25;

[0043] The left fixing plate 21 and the right fixing plate 22 are both located under the floor slab 2 and are both against the floor slab 2. The left fastener 16 and the right fastener 17 are both arranged vertically. The left fastener 16 vertically penetrates the left fixing plate 21 and the floor slab 2 to fix the left fixing plate 21 and the floor slab 2 together. The right fastener 17 vertically penetrates the right fixing plate 22 and the floor slab 2 to fix the right fixing plate 22 and the floor slab 2 together.

[0044] The upper plastic pad 19 and the lower plastic pad 20 are both horizontally arranged and are both arranged along the left and right directions. The upper plastic pad 19 is located between the left connecting plate 23 and the right connecting plate 24 and abuts against the connecting bottom plate 25. The lower plastic pad 20 is located under the connecting bottom plate 25 and abuts against the connecting bottom plate 25. The upper end of the ceiling hanger 3 is vertically penetrated by the upper plastic pad 19, the connecting bottom plate 25 and the lower plastic pad 20, and the top of the ceiling hanger 3 abuts against the upper plastic pad 19. The lower fastener 18 is sleeved and threadedly engaged with the upper end of the ceiling hanger 3. The lower fastener 18 is located under the lower plastic pad 20 and abuts against the lower plastic pad 20.

[0045] With the above arrangement, when it is necessary to connect the upper end of the ceiling hanger 3 to the floor 2, the upper plastic pad 19, the connecting bottom plate 25 of the U-shaped connecting piece 15 and the lower plastic pad 20 are mounted on the upper end of the ceiling hanger 3 from bottom to top, and then the lower fastener 18 is screwed on, the left fixing plate 21 and the right fixing plate 22 of the U-shaped connecting piece 15 are placed under the floor 2 and abut against the floor 2, the left fastener 16 is vertically penetrated through the left fixing plate 21 and the floor 2 to fix the left fixing plate 21 and the floor 2 together, and the right fastener 17 is vertically penetrated through the right fixing plate 22 and the floor 2 to fix the right fixing plate 22 and the floor 2 together.

[0046] The left fastener 16 and the right fastener 17 can be any suitable fasteners. In a specific embodiment of the present invention, the left fastener 16 and the right fastener 17 are both expansion bolts.

[0047] The upper plastic pad 19 and the lower plastic pad 20 can be plastic pads of any suitable material. In a specific embodiment of the present utility model, the upper plastic pad 19 and the lower plastic pad 20 are both PU pads, that is, polyurethane pads.

[0048] The lower fastener 18 can be any suitable fastener. In a specific embodiment of the present invention, the lower fastener 18 is a nut.

[0049] The ceiling sound insulation structure may also include any other suitable components, see Figure 1 and Figure 3 As shown, in a specific embodiment of the utility model, the ceiling sound insulation structure also includes an upper gasket 26 and a lower gasket 27, and the upper gasket 26 and the lower gasket 27 are both horizontally arranged and are both sleeved on the upper end of the ceiling hanger 3, the upper gasket 26 is located between the top of the ceiling hanger 3 and the upper plastic pad 19 and respectively abuts against the top of the ceiling hanger 3 and the upper plastic pad 19, and the lower gasket 27 is located between the lower plastic pad 20 and the lower fastener 18 and respectively abuts against the lower plastic pad 20 and the lower fastener 18.

[0050] The ceiling sound insulation structure may also include any other suitable components, see Figure 1-2As shown, in a specific embodiment of the utility model, the ceiling sound insulation structure also includes a first fastener 28 and a second fastener 29, the ceiling keel 4 is a C-shaped keel, the opening of the C-shaped keel is set forward, the lower end of the ceiling hanger 3 is vertically inserted in the upper top plate of the C-shaped keel, the first fastener 28 and the second fastener 29 are both sleeved and threadedly engaged with the lower end of the ceiling hanger 3, the first fastener 28 rests on the upper top plate of the C-shaped keel, the second fastener 29 is located under the upper top plate of the C-shaped keel and rests on the upper top plate of the C-shaped keel, and the upper gypsum board 6 is located under the lower bottom plate of the C-shaped keel and connected to the lower bottom plate of the C-shaped keel.

[0051] With the above arrangement, when it is necessary to connect the ceiling keel 4 to the lower end of the ceiling hanger 3, the first fastener 28 is screwed onto the lower end of the ceiling hanger 3, the lower end of the ceiling hanger 3 is vertically inserted into the upper top plate of the C-shaped keel, and then the second fastener 29 is screwed on.

[0052] The first fastener 28 and the second fastener 29 can be any suitable fasteners. In a specific embodiment of the present invention, the first fastener 28 and the second fastener 29 are nuts.

[0053] During construction, the upper end of the ceiling hanger 3 is connected to the floor 2, the ceiling keel 4 is connected to the lower end of the ceiling hanger 3, the sound insulation cotton 5 is set on the upper gypsum board 6, the first closing plate 12 of the L-shaped closing piece 9 is inserted between the left end of the sound insulation cotton 5 and the left end of the upper gypsum board 6, the second closing plate 13 of the L-shaped closing piece 9 is embedded in the end surface of the left end of the sound insulation cotton 5, the upper gypsum board 6 is placed under the ceiling keel 4 and connected The ceiling keel 4 is provided with a sound insulation felt 7 placed on the lower gypsum board 8 and placed together under the upper gypsum board 6, the lower gypsum board 8 is connected to the upper gypsum board 6, and a shock-absorbing pad 10 is stuffed between the right side of the side wall 1 and the second closing plate 13, the left end of the upper gypsum board 6, the left end of the sound insulation felt 7 and the left end of the lower gypsum board 8, and a sealant 11 is used to seal between the side wall 1, the shock-absorbing pad 10 and the left end of the lower gypsum board 8.

[0054] Therefore, adopt the utility model:

[0055] 1. The ceiling has a two-layer sound insulation structure, in which two layers of gypsum board, namely the upper gypsum board and the lower gypsum board, are used as the ceiling panels. A layer of sound insulation felt is sandwiched between the two layers of gypsum board as the first layer of sound insulation structure, and sound insulation cotton is set on the upper gypsum board as the second layer of sound insulation structure, which can effectively reduce noise.

[0056] 2. Use L-shaped finishing pieces to trim the edges where the ceiling meets the side walls. Fill the corresponding side seams with shock-absorbing pads and seal the bottom with sealant. This can not only cause a certain amount of deformation in the ceiling, but also effectively isolate noise.

[0057] 3. Plastic pads can also be installed at the joints between the ceiling hangers and the floor slabs to prevent the ceiling hangers from colliding with the U-shaped connectors and generating noise when the ceiling sways due to wind.

[0058] In summary, the ceiling sound insulation structure of the utility model can effectively reduce and minimize the spread of external noise, has a clever design, a simple structure, simple construction, and a low construction cost, and is suitable for large-scale promotion and application.

[0059] It can be seen that the purpose of the utility model has been completely and effectively achieved. The function and structural principle of the utility model have been demonstrated and explained in the embodiments. Without departing from the principles, the implementation methods can be modified arbitrarily. Therefore, the utility model includes all modified implementation methods based on the spirit and scope of the claims.

Claims

1. A ceiling sound insulation structure, comprising a side wall, a floor, a ceiling hanger and a ceiling keel, wherein the side wall is arranged vertically and along the front-back direction, the floor is arranged horizontally and along the left-right direction, the floor is located on the right side of the top of the side wall and connected to the top of the side wall, the ceiling hanger is arranged vertically and below the floor and on the right side of the side wall, the upper end of the ceiling hanger is connected to the floor, the ceiling keel is arranged horizontally and along the left-right direction, the ceiling keel is located below the floor and on the right side of the side wall and connected to the lower end of the ceiling hanger, characterized in that: The ceiling sound insulation structure also includes sound insulation cotton, an upper gypsum board, sound insulation felt, a lower gypsum board, an L-shaped closing piece, a shock-absorbing pad and a sealant, wherein: The sound insulation cotton, the upper gypsum board, the sound insulation felt and the lower gypsum board are all arranged horizontally and along the left-right direction. The upper gypsum board is located under the ceiling keel and connected to the ceiling keel. The lower gypsum board is located under the upper gypsum board and connected to the upper gypsum board. The sound insulation cotton is arranged on the upper gypsum board. The sound insulation felt is located between the upper gypsum board and the lower gypsum board and respectively abuts against the upper gypsum board and the lower gypsum board. The L-shaped closing piece includes a first closing plate and a second closing plate. The first closing plate is arranged horizontally and along the front-back direction. The first closing plate is located between the left end of the sound insulation cotton and the left end of the upper gypsum board and respectively abuts against the left end of the sound insulation cotton. end and the left end of the upper gypsum board, the second closing plate is vertically arranged and arranged along the front-to-back direction, the second closing plate is embedded in the end surface of the left end of the sound insulation cotton and is located to the left of the first closing plate and is connected to the first closing plate, the shock-absorbing pad is vertically arranged and arranged along the front-to-back direction, the shock-absorbing pad is located on the right side of the side wall and is located to the left of the second closing plate, the left end of the upper gypsum board, the left end of the sound insulation felt and the left end of the lower gypsum board and respectively abuts against the side wall, the second closing plate, the left end of the upper gypsum board, the left end of the sound insulation felt and the left end of the lower gypsum board, and the sealant is sealed between the side wall, the shock-absorbing pad and the left end of the lower gypsum board.

2. The ceiling sound insulation structure according to claim 1, characterized in that: The sound insulation wool is glass wool.

3. The ceiling sound insulation structure according to claim 1, characterized in that: The sound insulation felt is EF sound insulation felt.

4. The ceiling sound insulation structure according to claim 1, characterized in that: The shock-absorbing pad is a shock-absorbing rubber pad.

5. The ceiling sound insulation structure according to claim 1, characterized in that: The upper gypsum board and the ceiling keel as well as the lower gypsum board and the upper gypsum board are fixed together by self-tapping screws, and the sound insulation cotton is pasted on the upper gypsum board.

6. The ceiling sound insulation structure according to claim 1, characterized in that: The ceiling sound insulation structure further includes a U-shaped connector, a left fastener, a right fastener, a lower fastener, an upper plastic pad and a lower plastic pad, wherein: The U-shaped connecting member comprises a left fixing plate, a right fixing plate, a left connecting plate, a right connecting plate and a connecting bottom plate, the left fixing plate and the right fixing plate are both arranged horizontally and along the left-right direction and are spaced apart from each other on the left and right sides, the left connecting plate and the right connecting plate are both arranged vertically and along the front-back direction and are spaced apart from each other on the left and right sides, the upper side of the left connecting plate and the upper side of the right connecting plate are respectively connected to the right end of the left fixing plate and the left end of the right fixing plate, the connecting bottom plate is horizontally arranged and along the left-right direction, and the lower side of the left connecting plate and the lower side of the right connecting plate are respectively connected to the left end and the right end of the connecting bottom plate; The left fixing plate and the right fixing plate are both located under the floor slab and abut against the floor slab, the left fastener and the right fastener are both arranged vertically, the left fastener vertically penetrates the left fixing plate and the floor slab to fix the left fixing plate and the floor slab together, and the right fastener vertically penetrates the right fixing plate and the floor slab to fix the right fixing plate and the floor slab together; The upper plastic pad and the lower plastic pad are both arranged horizontally and along the left and right directions, the upper plastic pad is located between the left connecting plate and the right connecting plate and abuts against the connecting bottom plate, the lower plastic pad is located under the connecting bottom plate and abuts against the connecting bottom plate, the upper end of the ceiling hanger rod is vertically penetrated by the upper plastic pad, the connecting bottom plate and the lower plastic pad, the top of the ceiling hanger rod abuts against the upper plastic pad, the lower fastener is sleeved and threadedly engaged with the upper end of the ceiling hanger rod, and the lower fastener is located under the lower plastic pad and abuts against the lower plastic pad.

7. The ceiling sound insulation structure according to claim 6, characterized in that: The left fastener and the right fastener are both expansion bolts.

8. The ceiling sound insulation structure according to claim 6, characterized in that: The upper plastic pad and the lower plastic pad are both PU pads.

9. The ceiling sound insulation structure according to claim 6, characterized in that: The lower fastener is a nut.

10. The suspended ceiling sound insulation structure according to claim 6, characterized in that: The ceiling sound insulation structure also includes an upper gasket and a lower gasket, which are both horizontally arranged and sleeved on the upper end of the ceiling hanger, the upper gasket is located between the top of the ceiling hanger and the upper plastic pad and respectively abuts against the top of the ceiling hanger and the upper plastic pad, and the lower gasket is located between the lower plastic pad and the lower fastener and respectively abuts against the lower plastic pad and the lower fastener.

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