CN217949404U - Floor sound insulation and earthquake reduction structure - Google Patents

Abstract

The utility model discloses a floor sound insulation shake reduction structure, including two-layer sound insulation shake reduction layer that has the bloop, detachably is fixed with the connecting plate between the two-layer sound insulation shake reduction layer, and connecting plate upper surface equipartition has the buffering through-hole, is provided with in the buffering through-hole and falls the body of making an uproar. The utility model discloses an apron supports and protects the sheet rubber, use the apron surface when external shaking force, the pliability of sheet rubber can weaken the shaking force, the blotter can further weaken the shaking force, it can reduce the sound or the external noise that vibrations produced to inhale the sound hole, improve the sound insulation effect, the support spring supports the design to a sponge section of thick bamboo, there are a plurality of groups of pores on the sponge section of thick bamboo surface, reinforce the noise reduction effect, the effect of shock attenuation and sound insulation all can be played to the surface about the connecting plate, isolation performance is better.

Description

Floor sound insulation and earthquake reduction structure

Technical Field

The utility model relates to a building engineering technical field, concretely relates to floor sound insulation shock-absorbing structure.

Background

Along with the rapid development of urbanization in recent years, real estate in China develops rapidly, the scale and the number of buildings are increased year by year, and with the continuous progress of scientific technology, environmental protection becomes a problem of worldwide attention and attracts people's wide attention. Noise pollution has become a third-major urban public nuisance following atmospheric and water pollution, increasingly affecting people's quality of life. With the deep development of green buildings, the green buildings have strict requirements on indexes such as indoor sound environment, temperature and humidity, lighting and ventilation of the buildings, wherein the indoor sound environment is most closely related to the life quality of people.

The air sound and weighted standardized impact sound insulation performance of the existing reinforced concrete floor slab with the common thickness of 120mm between floors is poor, the air sound insulation quantity is 45 to 50dB, and the weighted standardized impact sound pressure level is 78 to 82dB. The normal activity of people or the jump of children can produce great sound downstairs, if upstairs people move greatly, the vibration can be produced downstairs and is accompanied by greater noise, the living comfort is influenced, and environmental complaints caused by poor sound insulation performance of the floor slab are increased year by year all over the world.

The sound environment is used as one of indexes of green building evaluation control items, GB/T50378-2019 'green building evaluation standard' puts forward mandatory requirements on sound insulation, and has corresponding sound insulation requirements on buildings such as residential buildings, office buildings, hospitals, teaching and the like. If the standard impact sound pressure level low limit requirement of the residential building floor weighting is less than 75dB, the high standard requirement is less than 65dB; the standard impact sound pressure level low limit requirement of the weighting of the floor of the living room and the rest room of the facility building for the old people to attend is less than 65dB, and the high standard requirement is less than 65dB; the isolation of floor impact sound is mainly to consume the energy of vibration through the property and structure of the material itself, thereby reducing the propagation of vibration and reducing noise.

Therefore, the publication No. CN212053616U discloses a floor sound insulation and shock absorption structure based on rubber pads, which comprises a floor foundation, sound insulation and shock absorption pads, a reinforcing mesh, a cement layer and a wall body, wherein the sound insulation and shock absorption pads are laid on the floor foundation.

For the floor sound insulation and shock absorption structure based on the rubber pads, the shock absorption effect of the sound insulation and shock absorption pad is better, but the following defects still exist: the effect of sound insulation and shock absorption can be achieved only by one side, the sound insulation and shock absorption effects are unilateral, and the sound insulation and noise reduction performance is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a it is strong to make an uproar to give sound insulation to fall shakes structure to sound insulation that can two-way syllable-dividing.

The specific scheme is as follows:

the floor sound insulation and vibration reduction structure comprises two sound insulation and vibration reduction layers with sound absorption holes, a connecting plate is detachably fixed between the two sound insulation and vibration reduction layers, buffering through holes are uniformly distributed on the upper surface of the connecting plate, and noise reduction bodies are arranged in the buffering through holes.

And buffer layers are arranged between the sound insulation and vibration reduction layers and the connecting plates.

The noise reduction body is a sponge cylinder, a support spring is arranged in the sponge cylinder, and support caps are arranged at two ends of the support spring.

The upper surface and the lower surface of the connecting plate are both provided with sliding grooves, sliding strips corresponding to the sliding grooves are connected in the sliding grooves in a clamping mode, and the sliding strips are connected with the sound insulation and vibration reduction layer through screws.

The sound insulation and vibration reduction layer comprises a supporting frame, a cover plate and a rubber sheet penetrating through a sound absorption hole, the cover plate is detachably connected with the supporting frame, and the rubber sheet is arranged between the cover plate and the supporting frame.

The sound insulation and vibration reduction layer further comprises a felt pad penetrating through the sound attenuation hole, the felt pad and the rubber sheet are stacked to form a sound insulation and vibration reduction area, the edge of the sound insulation and vibration reduction area is provided with a protection frame, and a guide rail pair is formed between the protection frame and the supporting frame.

At least one group of silencing holes is arranged.

The inner diameters of the silencing holes are different.

The supporting frame is provided with a clamping groove; the protective frame is provided with a clamping plate matched with the clamping groove.

The cover plate is connected with the supporting frame through at least two groups of bolts.

The utility model discloses an apron supports and protects the sheet rubber, use the apron surface when external vibrations power, the pliability of sheet rubber can weaken the vibrations power, the blotter can further weaken the vibrations power, it can reduce the sound or the external noise that vibrations produced to inhale the sound hole, improve the syllable-dividing effect, the support spring supports the design to a sponge section of thick bamboo, a sponge section of thick bamboo surface has a plurality of group's pores, reinforce the noise reduction effect, the effect of shock attenuation and sound insulation all can be played to the surface about the connecting plate, isolation performance is better.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the connection plate of the present invention;

fig. 3 is a schematic structural view of the connection between the protection frame and the rubber sheet of the present invention.

In the figure: 1. a connecting plate; 2. a support frame; 3. a cover plate; 4. a bolt; 5. a card slot; 6. a protective frame; 7. a rubber sheet; 8. a felt pad; 9. clamping a plate; 10. a first sound absorbing aperture; 11. a second sound absorption hole; 12. a chute; 13. a slide bar; 14. a screw; 15. a buffer through hole; 16. a sponge cylinder; 17. a support spring; 18. a support cap; 19. a cushion pad.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those skilled in the art without any inventive work are included in the scope of the present invention.

The utility model discloses a floor sound insulation shake reduction structure, including the sound insulation shake reduction layer that has the bloop, the sound insulation shake reduction layer sets up two-layerly, and detachably is fixed with connecting plate 1 between the two-layer sound insulation shake reduction layer, and 1 upper surface equipartition of connecting plate has buffering through-hole 15. The buffer through hole 15 is internally provided with a noise reduction body which can be selected from a sponge cylinder 16, the sponge cylinder 16 is internally provided with a support spring 17, and two ends of the support spring 17 are respectively provided with a support cap 18. Because the sound insulation and vibration reduction layer is attached to the surface of the support frame 2, the support cap 18 is propped against the surface of the sound insulation and vibration reduction layer, the contact area between the support spring 17 and the sound insulation and vibration reduction layer can be increased by the support cap 18, and elastic contact is realized. The noise reduction body can also be made of flexible sound absorption materials such as sound absorption cotton. The connecting plate 1 can be made of rigid sound-absorbing materials such as a lead plate.

When external vibrations power is used and is given sound insulation and shake the layer, sound insulation and shake the layer and can weaken sound, when sound transmission to connecting plate 1, the inside sponge section of thick bamboo 16 of buffering through-hole 15 can be to the further absorption of noise, and a plurality of groups of pores have on the surface of a sponge section of thick bamboo 16, can strengthen the noise reduction effect. The connecting plate 1 is connected with the upper and lower sides of the sound insulation and vibration reduction layer, so that the upper and lower sides of the connecting plate can play a role in vibration absorption and sound insulation, and the effect is better.

All be provided with the buffer layer between noise insulation and shake reduction layer and the connecting plate 1, noise insulation and shake reduction layer can receive decurrent effort when receiving vibrations, and carriage 2 and the 1 rigid connection of connecting plate can be avoided to the buffer layer, can improve the shock attenuation effect.

The upper surface and the lower surface of the connecting plate 1 are both provided with sliding grooves 12, sliding strips 13 corresponding to the sliding grooves 12 are connected in the sliding grooves 12 in a clamping mode, and the sliding strips 13 are connected with the sound insulation and vibration reduction layer through screws 14. The slide bar 13 is connected with the sound-insulation and vibration-reduction layer through the screw 14, and the sound-insulation and vibration-reduction layer is fixed on the upper surface or the lower surface of the connecting plate 1 through the sliding between the slide bar 13 and the sliding groove 12.

The sound insulation and shock reduction layer comprises a supporting frame 2, a cover plate 3 and a rubber sheet 7 penetrating through a sound attenuation hole, the cover plate 3 is detachably connected with the supporting frame 2, and the cover plate 3 is connected with the supporting frame 2 through at least two groups of bolts 4. The rubber sheet 7 is disposed between the cover plate 3 and the support frame 2. The cover plate 3 can support and protect the rubber sheet 7, and when the cover plate 3 is vibrated, the vibration force is weakened by the flexibility of the rubber sheet 7.

The sound insulation and vibration reduction layer further comprises a felt pad 8 through which the sound insulation holes penetrate, the felt pad 8 and the rubber sheet 7 are stacked to form a sound insulation and vibration reduction area, the edge of the sound insulation and vibration reduction area is provided with a protection frame 6, and a guide rail pair is formed between the protection frame 6 and the supporting frame 2. The supporting frame 2 is provided with a clamping groove 5; the protective frame 6 is provided with a clamping plate 9 matched with the clamping groove 5. The noise passing through the rubber sheet 7 is weakened and then further absorbed after reaching the felt pad 8, so that the effect of strengthening noise reduction is achieved. Pile up the syllable-dividing damping district that forms, be connected with carriage 2 through protecting frame 6, the convenience is to the installation and the change in syllable-dividing damping district.

The silencing holes are at least provided with one group, and the arrangement mode inside each group and among the groups can be regular arrangement or irregular arrangement. The inner diameters of the muffling holes are not all the same. The silencing holes comprise a first silencing hole and a second silencing hole, the inner diameter of the first silencing hole is larger than that of the second silencing hole, so that noises with different frequencies can be conveniently absorbed, and the silencing holes in the rubber sheet 7 and the silencing holes in the felt pad 8 can be correspondingly arranged or alternatively arranged.

When the floor is used, when the cover plate 3 is impacted by the outside, vibration force and sound can be generated simultaneously, the vibration force and the sound are transmitted to the surface of the rubber sheet 7, the rubber sheet 7 reduces the vibration force, when the vibration force is transmitted to the surface of the felt pad 8 through the rubber sheet 7, the felt pad 8 further weakens the vibration force, the buffer pad 19 weakens the vibration force passing through the felt pad 8 again to ensure the vibration reduction performance of the floor, the first sound absorption hole 10 and the second sound absorption hole 11 guide the sound propagation and absorb the sound energy, the sound wave can be further absorbed by the fine structure of the felt pad 8, when part of the sound is transmitted to the surface of the sponge cylinder 16, the fine holes on the surface of the sponge cylinder 16 reduce the sound wave again to improve the noise reduction effect.

The utility model discloses a apron 3 supports and protects sheet rubber 7, use apron 3 surfaces when external vibrations power, the pliability of sheet rubber 7 can weaken the vibrations power, blotter 19 can further weaken the vibrations power, inhale the sound hole and can cut down the sound or the external noise that vibrations produced, improve the syllable-dividing effect, support spring 17 and support the design to a sponge section of thick bamboo 16, a plurality of groups pores have on a sponge section of thick bamboo 16 surface, reinforce the noise reduction effect, the effect of shock attenuation and sound insulation all can be played to the connecting plate 1 upper and lower surface, isolation performance is better.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (8)

1. The utility model provides a floor sound insulation shake-reducing structure, includes two-layer sound insulation shake-reducing layer that has the bloop, and sound insulation shake-reducing layer includes the sheet rubber that carriage, apron and bloop run through, and apron detachably is connected with the carriage, and the sheet rubber setting is between apron and carriage, its characterized in that, detachably is fixed with the connecting plate between the two-layer sound insulation shake-reducing layer, and connecting plate upper surface equipartition has the buffering through-hole, and the body of making an uproar falls in the buffering through-hole, and the body of making an uproar falls is a sponge section of thick bamboo, is provided with a supporting spring in the sponge section of thick bamboo, and the both ends of supporting spring all are provided with the support cap.

2. The floor slab sound insulation and earthquake reduction structure according to claim 1, wherein a buffer layer is arranged between the sound insulation and earthquake reduction layer and the connecting plate.

3. The floor sound insulation and earthquake reduction structure according to claim 1, wherein the upper surface and the lower surface of the connecting plate are respectively provided with a sliding groove, a sliding strip corresponding to the sliding groove is clamped in the sliding groove, and the sliding strip is connected with the sound insulation and earthquake reduction layer through a screw.

4. The floor sound insulation and shock reduction structure according to claim 1, wherein the sound insulation and shock reduction layer further comprises a felt pad through which the sound absorption holes penetrate, the felt pad and the rubber sheet are stacked to form a sound insulation and shock reduction area, a protection frame is arranged on the edge of the sound insulation and shock reduction area, and a guide rail pair is formed between the protection frame and the support frame.

5. The floor sound insulation and earthquake reduction structure according to claim 4, wherein at least one group of the sound-absorbing holes is provided.

6. The floor sound insulation and earthquake reduction structure according to claim 5, wherein the inner diameters of the sound-deadening holes are not all the same.

7. The floor slab sound insulation and earthquake reduction structure according to claim 4, wherein the support frame is provided with a clamping groove; the protective frame is provided with a clamping plate matched with the clamping groove.

8. The floor sound insulation and earthquake reduction structure according to claim 1, wherein the cover plate is connected with the support frame through at least two groups of bolts.

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