Fabricated sound insulation floor

By installing sound-absorbing cotton and fasteners at the bottom of prefabricated floor slabs, combined with sound-absorbing components and reinforced structures, the problem of poor sound insulation in prefabricated floor slabs was solved, achieving effective noise absorption and increased concrete strength.

CN223562394UActive Publication Date: 2025-11-18ANSHAN ARCHITECTURAL DESIGN & RES INST
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Patent Information

Application Number
CN202422556896.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-11-18
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing prefabricated floor slabs have poor sound insulation due to the high density of concrete, strong vibration transmission, and lack of sound insulation structure.

Method used

Sound-absorbing cotton and fasteners are installed at the bottom of the precast floor slab, and sound-absorbing components are installed at the top. The strength of the concrete is increased by strengthening the structure to form a sound insulation structure.

Benefits of technology

It effectively absorbs noise, improves sound insulation, prevents sound-absorbing cotton from falling off, and enhances the strength of concrete.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an assembly type sound insulation floor slab which comprises a prefabricated floor slab body and a plurality of hanging rings arranged at the top end of the prefabricated floor slab body, a sound insulation structure used for reducing noise is arranged at the bottom end of the prefabricated floor slab body and comprises a plurality of pieces of sound absorption cotton, and fixing pieces used for fixing the positions of the sound absorption cotton are arranged on the outer walls of the sound absorption cotton. The bottom end of the prefabricated floor slab is provided with a corresponding sound insulation structure, the sound absorption cotton arranged in the sound insulation structure is used for absorbing noise generated by vibration of the floor slab, the hard concrete prefabricated floor slab is prevented from being damaged due to the fact that the sound insulation structure is arranged at the bottom end of the prefabricated floor slab, and the sound absorption piece is arranged at the bottom end of the sound absorption cotton, and a reinforcing structure used for improving the strength of poured concrete is arranged at the top end of the prefabricated floor slab. Meanwhile, the corresponding fixing pieces are arranged to fix the position of the sound-absorbing cotton, the sound-absorbing cotton is prevented from falling off, and the corresponding sound-absorbing pieces are arranged at the bottom ends of the fixing pieces, so that sound insulation is further conducted on the prefabricated floor slab.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of assembly type floor, in particular to an assembly type sound insulation floor. BACKGROUND

[0002] Assembly type floor refers to the mode that after the prefabricated production is completed in the factory, is transferred to the construction site, is assembled on site through hoisting equipment, is directly installed, has the characteristics of fast construction speed, controllable quality and environmental protection and energy saving compared with the traditional site pouring floor, the existing assembly type floor is usually composed of a prefabricated floor and multiple reinforcing bars arranged in it, and since the prefabricated floor is poured by concrete, the density of the concrete is high, the vibration conduction is strong, and there is no corresponding sound insulation structure, so that the assembly type floor has poor sound insulation effect after installation, and therefore a new assembly type sound insulation floor is needed. SUMMARY

[0003] The utility model discloses a kind of assembly type sound insulation floors, to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: an assembly type sound insulation floor, including prefabricated floor and multiple lifting lugs arranged at the top of prefabricated floor, the bottom end of the prefabricated floor is provided with a sound insulation structure for reducing noise, the sound insulation structure includes multiple sound-absorbing cotton, the outer wall of the sound-absorbing cotton is provided with a fixing member for fixing the position of the sound-absorbing cotton, the bottom end of the sound-absorbing cotton is provided with a sound-absorbing member, and the top of the prefabricated floor is provided with a reinforcing structure for improving the strength of the poured concrete.

[0005] Preferably, the fixing member includes a fixed frame, the fixed frame is arranged at the bottom end of the prefabricated floor, and the sound-absorbing cotton is arranged in the inner wall of the fixed frame.

[0006] Preferably, multiple mounting holes are formed in the bottom end of the fixed frame, expansion bolts are arranged in the mounting holes, and the expansion bolts sequentially penetrate the top of the mounting hole and the bottom end of the prefabricated floor.

[0007] Preferably, the sound-absorbing member includes a sound insulation felt, a gypsum board is fixedly connected to the top end of the sound insulation felt, and the top end of the gypsum board is fixedly connected to the bottom end of the fixed frame.

[0008] Preferably, a sound-absorbing plate is fixedly connected to the bottom end of the sound insulation felt, and multiple sound-absorbing holes are formed in the bottom end of the sound-absorbing plate.

[0009] Preferably, the reinforcing structure includes multiple longitudinal internal reinforcing bars arranged in the prefabricated floor in a horizontal and longitudinal manner, and multiple transverse internal reinforcing bars are arranged in the prefabricated floor in a horizontal and transverse manner.

[0010] Preferably, the prefabricated floor top is connected with truss reinforcement, and the truss reinforcement top is fixedly connected with a plurality of plate-out longitudinal reinforcement.

[0011] The technical effects and advantages of the present application are as follows:

[0012] The present application sets the sound insulation structure at the bottom of the prefabricated floor, uses the absorbing cotton inside to absorb the noise generated by the floor vibration, avoids the hard concrete prefabricated floor, transmits the noise, realizes the sound insulation effect, sets the fixing member to fix the position of the sound absorbing cotton, avoids the falling of the sound absorbing cotton, sets the sound absorbing member at the bottom of the fixing member, and further insulates the prefabricated floor. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The present application is a whole structure sectional view.

[0014] Figure 2 The present application is a whole structure sectional view. Figure 1 The present application is a whole structure sectional view.

[0015] In the figure: 1, prefabricated floor; 2, lifting ring; 3, fixed frame; 301, mounting hole; 4, sound absorbing cotton; 5, gypsum board; 6, sound insulation felt; 7, sound absorbing board; 8, sound absorbing hole; 9, expansion bolt; 10, truss reinforcement; 11, plate-in cross reinforcement; 12, plate-in longitudinal reinforcement; 13, plate-out longitudinal reinforcement. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0017] The present application provides a kind of prefabricated sound insulation floor as Figures 1-2 As shown in the figure, a kind of prefabricated sound insulation floor is provided, including prefabricated floor 1 and the multiple lifting rings 2 of setting at the top of prefabricated floor 1, the bottom of prefabricated floor 1 is provided with sound insulation structure for reducing noise, and the sound insulation structure includes multiple sound absorbing cotton 4, the outer wall of sound absorbing cotton 4 is provided with the fixing member for fixing the position of sound absorbing cotton 4, the bottom of sound absorbing cotton 4 is provided with sound absorbing member, and the top of prefabricated floor 1 is provided with the reinforcing structure for improving the strength of pouring concrete.

[0018] It should be noted that the prefabricated floor 1 is formed by pouring concrete, and a corresponding metal lifting ring 2 is arranged on the top of the prefabricated floor 1 before pouring, so as to facilitate the installation of the prefabricated floor 1 by hoisting equipment in the later period, and a corresponding sound insulation structure is arranged at the bottom end of the prefabricated floor 1, which absorbs the noise generated by the vibration of the prefabricated floor 1 by using the sound-absorbing cotton 4 arranged therein, avoids the transmission of noise by the hard and solid concrete prefabricated floor 1, and realizes the sound insulation effect, and a corresponding fixing member is arranged to fix the position of the sound-absorbing cotton 4, so as to avoid the falling of the sound-absorbing cotton 4, and a corresponding sound-absorbing member is arranged at the bottom end of the fixing member, which further insulates the prefabricated floor 1, and the material of the sound-absorbing cotton 4 is glass fiber material, which has good sound-absorbing and sound-insulating effect, and is resistant to corrosion and suitable for different building environments.

[0019] The fixing member comprises a fixing frame 3 arranged at the bottom end of the prefabricated floor 1, and the sound-absorbing cotton 4 is arranged in the inner wall of the fixing frame 3.

[0020] Further, the fixing frame 3 is made of stainless steel material, and the cross-sectional shape is arranged as a grid structure, and the sound-absorbing cotton 4 is installed in the space separated in the interior, and is fixed by adhesive, and the fixing frame 3 and the sound-absorbing cotton 4 arranged therein are arranged at the bottom end of the prefabricated floor 1, which can effectively absorb the transmission of sound frequency vibration of the prefabricated floor 1, and isolate the noise generated in the bottom space.

[0021] A plurality of mounting holes 301 are formed at the bottom end of the fixing frame 3, and expansion bolts 9 are arranged in the mounting holes 301, and the expansion bolts 9 penetrate the top of the mounting hole 301 and the bottom end of the prefabricated floor 1 in sequence.

[0022] Further, after the pouring of the prefabricated floor 1 is completed, the positions of the prefabricated floor 1 and the fixing frame 3 are fixed by embedding the expansion bolts 9 through the mounting holes 301 formed on the fixing frame 3 into the prefabricated floor 1, and the position of the prefabricated floor 1 is fixed.

[0023] The sound-absorbing member comprises a sound insulation felt 6, and the top end of the sound insulation felt 6 is fixedly connected with a gypsum board 5, and the top end of the gypsum board 5 is fixedly connected with the bottom end of the fixing frame 3.

[0024] The bottom end of the sound insulation felt 6 is fixedly connected with a sound-absorbing plate 7, and a plurality of sound-absorbing holes 8 are formed at the bottom end of the sound-absorbing plate 7.

[0025] Further, the material of the sound insulation felt 6 is polyester fiber material, which has soft texture, is easy to cut and install, and the sound insulation felt 6 is arranged on the side opposite to the gypsum board 5 and the sound-absorbing plate 7, and the gypsum board 5 and the sound-absorbing plate 7 are fixed on the fixing frame 3 by fixing bolts.

[0026] The reinforcing structure comprises a plurality of longitudinal internal ribs 12 arranged in the prefabricated floor 1 in sequence, and a plurality of horizontal internal ribs 11 are arranged in the prefabricated floor 1 in sequence.

[0027] The truss steel bars 10 are connected to the top of the prefabricated floor 1, and the top ends of the truss steel bars 10 are fixedly connected to a plurality of outboard longitudinal bars 13.

[0028] Further, the inboard transverse bars 11 and the inboard longitudinal bars 12 in the prefabricated floor 1 are arranged alternately, and form a net structure as a whole, so as to enhance the stress bearing capacity of the concrete of the prefabricated floor 1, and the truss steel bars 10 and the outboard longitudinal bars 13 increase the binding force between the prefabricated floor 1 and the subsequently poured concrete after the prefabricated floor 1 is installed.

[0029] Finally, it should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A prefabricated soundproof floor slab, comprising a prefabricated floor slab (1) and a plurality of hanging rings (2) disposed at the top of the prefabricated floor slab (1), characterized in that, The precast floor slab (1) is provided with a sound insulation structure at the bottom for reducing noise. The sound insulation structure includes multiple sound-absorbing cotton (4). The outer wall of the sound-absorbing cotton (4) is provided with a fixing member for fixing the position of the sound-absorbing cotton (4). The bottom end of the sound-absorbing cotton (4) is provided with a sound-absorbing component. The top of the precast floor slab (1) is provided with a reinforcing structure for improving the strength of the poured concrete.

2. The prefabricated soundproof floor slab according to claim 1, characterized in that, The fastener includes a fixed frame (3), which is located at the bottom of the precast floor slab (1), and the sound-absorbing cotton (4) is located on the inner wall of the fixed frame (3).

3. The prefabricated soundproof floor slab according to claim 2, characterized in that, The fixed frame (3) has multiple mounting holes (301) at its bottom end. Expansion bolts (9) are installed inside the mounting holes (301). The expansion bolts (9) pass through the top of the mounting holes (301) and the bottom of the precast floor slab (1) in sequence.

4. A prefabricated soundproof floor slab according to claim 2, characterized in that, The sound-absorbing component includes a sound-insulating felt (6), and a gypsum board (5) is fixedly connected to the top of the sound-insulating felt (6). The top of the gypsum board (5) is fixedly connected to the bottom of the fixing frame (3).

5. A prefabricated soundproof floor slab according to claim 4, characterized in that, The sound insulation felt (6) is fixedly connected to a sound-absorbing plate (7) at its bottom end, and the sound-absorbing plate (7) has multiple sound-absorbing holes (8) at its bottom end.

6. The prefabricated soundproof floor slab according to claim 1, characterized in that, The reinforcing structure includes multiple longitudinal ribs (12) arranged horizontally and longitudinally inside the precast floor slab (1), and multiple transverse ribs (11) arranged horizontally and transversely inside the precast floor slab (1).

7. A prefabricated soundproof floor slab according to claim 1, characterized in that, The top of the precast floor slab (1) is connected with truss steel bars (10), and the top of the truss steel bars (10) is fixedly connected with multiple external longitudinal bars (13).