CN219971549U - Double-deck sound insulation structure of elevator - Google Patents
Double-deck sound insulation structure of elevator Download PDFInfo
- Publication number
- CN219971549U CN219971549U CN202321653178.7U CN202321653178U CN219971549U CN 219971549 U CN219971549 U CN 219971549U CN 202321653178 U CN202321653178 U CN 202321653178U CN 219971549 U CN219971549 U CN 219971549U
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- sound insulation
- sound
- plate
- elevator car
- absorbing
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- 238000009413 insulation Methods 0.000 title claims abstract description 132
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- 229920000742 Cotton Polymers 0.000 claims abstract description 33
- 239000003973 paint Substances 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 28
- 238000010521 absorption reaction Methods 0.000 abstract description 16
- 229920000515 polycarbonate Polymers 0.000 abstract description 10
- 239000004417 polycarbonate Substances 0.000 abstract description 10
- 239000004411 aluminium Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a double-layer sound insulation structure of an elevator, which relates to the field of elevator sound insulation and comprises an elevator car outer plate and an elevator car inner plate, wherein a sound insulation unit is arranged between the elevator car outer plate and the elevator car inner plate and comprises a first sound insulation part connected with the elevator car outer plate and a second sound insulation part connected with the elevator car inner plate, the first sound insulation part and the second sound insulation part both comprise sound absorption cotton filled in a porous metal plate, a honeycomb sound absorption plate is arranged on one side of the porous metal plate far away from an air sound insulation cavity, a sound insulation felt is arranged on one side of the honeycomb sound absorption plate far away from the porous metal plate, and a polycarbonate plate is arranged on one side of the sound insulation felt far away from the honeycomb sound absorption plate. The sound insulation unit consists of the first sound insulation part and the second sound insulation part, so that a double-layer sound insulation effect is achieved, sound absorption and insulation can be effectively realized, and the sound insulation and noise reduction effects are effectively ensured.
Description
Technical Field
The utility model relates to the field of elevator sound insulation, in particular to a double-layer sound insulation structure of an elevator.
Background
An elevator car is a car body part of an elevator for carrying passengers or goods and other loads, and its space is a closed enclosure wall and is provided with necessary entrances and exits and ventilation holes. When an elevator travels in a narrow hoistway and a car travels at a high speed to one end, air in the hoistway is compressed, so that an air flow is generated around the elevator, and a piston effect is formed, and noise in the car is increased due to the increase of the air flow and the impact on the car.
At present, a general elevator car is characterized in that a sound insulation plate or a sound insulation cotton pad is paved between an outer car plate and an inner car plate to conduct sound insulation and noise reduction, and the elevator car has a certain effect on increasing the sound insulation effect, but has a single sound insulation structure and poor noise reduction effect.
Therefore, it is necessary to invent a double-deck soundproof structure for an elevator to solve the above problems.
Disclosure of Invention
The utility model aims to provide a double-layer sound insulation structure of an elevator, which aims to solve the problems that the general elevator car proposed in the prior art is single in sound insulation structure and poor in noise reduction effect although a certain effect is achieved on increasing the sound insulation effect by paving a sound insulation plate or a sound insulation cotton pad between an outer car plate and an inner car plate.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an elevator bilayer sound insulation structure, includes elevator car planking and elevator car inner panel, be provided with the sound insulation unit between elevator car planking and the elevator car inner panel, the sound insulation unit includes the first portion that gives sound insulation that is connected with elevator car planking and the second portion that gives sound insulation that is connected with elevator car inner panel, be provided with the air between first portion that gives sound insulation and the second portion that gives sound insulation, the inside nestification in air the cavity that gives sound insulation has a plurality of keel frame, a plurality of the keel frame is connected with first portion that gives sound insulation and second portion that gives sound insulation respectively, first portion that gives sound insulation and second portion that gives sound insulation all include porous metal sheet's intussuseption is filled with and inhales the sound cotton, one side that porous metal sheet kept away from the air the sound insulation chamber is provided with the honeycomb abatvoix, one side that porous metal sheet was kept away from to the honeycomb abatvoix is provided with the abatvoix.
Preferably, the inside of porous metal plate has been seted up and has been held the chamber, a plurality of through-holes that link up mutually with holding the chamber have been seted up to the equal interval of both sides face of porous metal plate, inhale the sound cotton and fill in holding the intracavity, when the noise got into holding the intracavity through the through-hole, inhale the sound cotton and absorb to play the effect of making an uproar.
Preferably, the glass fiber is adopted to inhale the sound cotton, and the glass fiber is inhaled the sound cotton inside and is fluffy crisscross, has innumerable tiny space, has good sound absorption characteristic, inhale the inside nestification of sound cotton and have a plurality of elastic metal support piece, elastic metal support piece's both ends respectively with hold the both sides inner wall connection in chamber, support the sound cotton through a plurality of elastic metal support piece, avoid inhaling the sound cotton and subside, improved the stability of inhaling the sound cotton filling.
Preferably, the first sound insulation part and the second sound insulation part are identical in structural composition and symmetrically arranged, simple in structure and convenient to manufacture and install.
Preferably, the honeycomb acoustic panel adopts aluminium honeycomb acoustic panel, and aluminium honeycomb acoustic panel structural strength is big, and light in weight improves the bulk strength of sound insulation unit, the cellular hole of honeycomb acoustic panel is filled with and inhales the sound rock wool, has improved the sound absorbing effect to the sound absorbing effect of honeycomb acoustic panel has been promoted.
Preferably, the porous metal plate adopts corrosion resistant plate, and structural strength is big, and is not fragile, the position that contacts with the keel frame on the porous metal plate is provided with damping cushion, can cushion keel frame's vibrations through damping cushion's damping characteristic, reduces the noise that keel frame vibrations produced.
Preferably, the sound-absorbing paint is sprayed on one side of the porous metal plate, which is close to the air sound-insulating cavity, and the sound-absorbing and noise-reducing effects of the porous metal plate can be improved after the sound-absorbing paint is sprayed, so that the overall noise-reducing effects are improved.
In the technical scheme, the utility model has the technical effects and advantages that:
1. the sound insulation unit consists of the first sound insulation part and the second sound insulation part, so that a double-layer sound insulation effect is achieved, the second sound insulation part isolates most of noise through the polycarbonate plate and the sound insulation felt on the second sound insulation part, part of noise passes through the polycarbonate plate and the sound insulation felt and is absorbed by the honeycomb sound absorption plate and the sound absorption cotton on the second sound insulation part, then the noise is further absorbed by the sound absorption cotton and the honeycomb sound absorption plate on the first sound insulation part, and finally the sound insulation felt and the polycarbonate plate on the first sound insulation part conduct sound insulation on residual noise, so that the sound insulation and noise reduction effects are effectively ensured;
2. through being provided with the air between first sound insulation portion and second sound insulation portion and keeping out sound the chamber, and the one side that first sound insulation portion and second sound insulation portion are close to each other all the spraying have the sound absorbing paint, and air sound insulation chamber and sound absorbing paint can further improve the sound insulation noise reduction effect of sound insulation unit.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a sound deadening unit of the present utility model;
FIG. 3 is a front view of the sound insulation unit of the present utility model;
FIG. 4 is a schematic view of a porous metal plate of the present utility model;
fig. 5 is a cross-sectional view of a porous metal plate of the present utility model.
Reference numerals illustrate:
1. an elevator car outer plate; 2. an elevator car inner panel; 3. a sound insulation unit; 4. a first sound insulation part; 5. a second sound insulation part; 6. an air sound insulation cavity; 7. a keel frame; 8. a porous metal plate; 9. sound absorbing cotton; 10. a honeycomb sound absorbing panel; 11. a sound-insulating felt; 12. a polycarbonate plate; 13. a receiving chamber; 14. a through hole; 15. a resilient metal support; 16. damping cushion blocks; 17. and (3) sound-absorbing paint.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides an elevator double-layer sound insulation structure as shown in fig. 1-5, which comprises an elevator car outer plate 1 and an elevator car inner plate 2, wherein a sound insulation unit 3 is arranged between the elevator car outer plate 1 and the elevator car inner plate 2, the sound insulation unit 3 comprises a first sound insulation part 4 connected with the elevator car outer plate 1 and a second sound insulation part 5 connected with the elevator car inner plate 2, an air sound insulation cavity 6 is arranged between the first sound insulation part 4 and the second sound insulation part 5, a plurality of keel frames 7 are nested in the air sound insulation cavity 6, the keel frames 7 are respectively connected with the first sound insulation part 4 and the second sound insulation part 5, sound absorbing cotton 9 is filled in the first sound insulation part 4 and the second sound insulation part 5, a honeycomb sound absorbing plate 10 is arranged on one side of the porous metal plate 8 away from the air sound insulation cavity 6, a sound absorbing felt 11 is arranged on one side of the honeycomb sound absorbing plate 10 away from the porous metal plate 8, and a polycarbonate plate 12 is arranged on one side of the sound absorbing felt 11 away from the honeycomb sound absorbing plate 10.
The inside of porous metal plate 8 has offered and has held chamber 13, and a plurality of through-holes 14 that link up mutually with holding chamber 13 have been offered to the equal interval of both sides face of porous metal plate 8, inhale the sound cotton 9 and fill in holding chamber 13, and when noise got into holding chamber 13 through-hole 14, was inhaled the sound cotton 9 and absorbed to play the effect of making an uproar falls.
The first sound insulation part 4 and the second sound insulation part 5 are identical in structural composition and are symmetrically arranged, and the structure is simple and convenient to manufacture and install.
The aluminum honeycomb acoustic panel 10 is adopted, the aluminum honeycomb acoustic panel is high in strength and light in weight, the integral strength of the sound insulation unit 3 is improved, and the sound-absorbing rock wool is filled in the honeycomb holes of the honeycomb acoustic panel 10, so that the sound-absorbing effect is improved, and the sound-absorbing effect of the honeycomb acoustic panel 10 is improved.
The elevator car is characterized in that a sound insulation unit 3 is arranged between the elevator car outer plate 1 and the elevator car inner plate 2, the sound insulation unit 3 is composed of a first sound insulation part 4 and a second sound insulation part 5, a double-layer sound insulation effect is achieved, sound insulation and noise reduction effects can be effectively achieved, an air sound insulation cavity 6 is arranged between the first sound insulation part 4 and the second sound insulation part 5, external noise firstly contacts with the second sound insulation part 5, the second sound insulation part 5 isolates most of noise through a polycarbonate plate 12 and a sound insulation felt 11 on the second sound insulation part 5, the noise which cannot be isolated passes through the polycarbonate plate 12 and the sound insulation felt 11 and is absorbed and weakened by a honeycomb sound absorption plate 10 and a sound absorption cotton 9 on the second sound insulation part 5, the residual noise is further weakened after passing through the air sound insulation cavity 6, then the sound absorption cotton 9 and the honeycomb sound absorption plate 10 on the first sound insulation part 4 are further absorbed, and finally the unabsorbed residual noise is isolated and bounced by the polycarbonate plate 11 and the polycarbonate plate 12 on the first sound insulation part 4, the sound absorption cotton 9 and the honeycomb sound absorption plate 10 are consumed again, the sound insulation effect of the elevator car is effectively guaranteed, and the sound insulation and noise reduction effects of the elevator car are improved.
As shown in fig. 5, the sound absorbing cotton 9 is made of glass fiber, a plurality of elastic metal supporting pieces 15 are nested inside the sound absorbing cotton 9, and two ends of each elastic metal supporting piece 15 are respectively connected with two side inner walls of the accommodating cavity 13.
The glass fiber is fluffy and staggered in the interior of the sound-absorbing cotton, has countless tiny gaps and good sound-absorbing characteristics, so that the sound-absorbing cotton 9 is good in sound-absorbing effect, and the sound-absorbing cotton 9 is supported by the plurality of elastic metal supporting pieces 15, so that the collapse of the sound-absorbing cotton 9 is avoided, and the filling stability of the sound-absorbing cotton 9 is improved.
As shown in fig. 2 and 5, the porous metal plate 8 is made of stainless steel plate, and has high structural strength and is not easy to damage, and a damping cushion block 16 is arranged on the porous metal plate 8 at the contact part with the keel frame 7.
The side of the porous metal plate 8 near the air sound insulation cavity 6 is sprayed with sound-absorbing paint 17.
The damping cushion block 16 is arranged at the part of the porous metal plate 8, which is in contact with the keel frame 7, and vibration of the keel frame 7 can be buffered through the damping cushion block 16, so that noise generated by vibration of the keel frame 7 is reduced, meanwhile, the sound-absorbing paint 17 is sprayed on the porous metal plate 8, and the sound-absorbing and noise-reducing effects of the porous metal plate 8 can be improved after the sound-absorbing paint 17 is sprayed, so that the overall noise-reducing effect is improved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The utility model provides an elevator double-deck sound insulation structure, includes elevator car planking (1) and elevator car inner panel (2), its characterized in that: the elevator car is characterized in that a sound insulation unit (3) is arranged between the elevator car outer plate (1) and the elevator car inner plate (2), the sound insulation unit (3) comprises a first sound insulation part (4) connected with the elevator car outer plate (1) and a second sound insulation part (5) connected with the elevator car inner plate (2), an air sound insulation cavity (6) is arranged between the first sound insulation part (4) and the second sound insulation part (5), a plurality of keel frames (7) are nested in the air sound insulation cavity (6), the keel frames (7) are respectively connected with the first sound insulation part (4) and the second sound insulation part (5), the first sound insulation part (4) and the second sound insulation part (5) are respectively provided with sound absorbing cotton (9) through inner filling of a porous metal plate (8), one side of the porous metal plate (8) away from the air sound insulation cavity (6) is provided with a honeycomb sound absorbing plate (10), one side of the honeycomb sound absorbing plate (10) away from the porous metal plate (8) is provided with a sound insulating felt (11), and one side of the honeycomb sound absorbing plate (11) away from the honeycomb sound absorbing plate (12) is provided with a grease layer (12).
2. The double-deck sound insulation structure of an elevator according to claim 1, wherein: the inside of porous metal sheet (8) has seted up and has held chamber (13), a plurality of through-holes (14) that link up mutually with holding chamber (13) are offered to the equal interval in both sides face of porous metal sheet (8), inhale sound cotton (9) and fill in holding chamber (13).
3. The double-deck sound insulation structure of an elevator according to claim 2, characterized in that: the sound absorbing cotton (9) adopts glass fiber to absorb sound cotton, inhale the inside nestification of sound cotton (9) and have a plurality of elastic metal support pieces (15), the both ends of elastic metal support piece (15) are connected with the both sides inner wall that holds chamber (13) respectively.
4. The double-deck sound insulation structure of an elevator according to claim 1, wherein: the first sound insulation part (4) and the second sound insulation part (5) are identical in structure composition and symmetrically arranged.
5. The double-deck sound insulation structure of an elevator according to claim 1, wherein: the honeycomb sound-absorbing board (10) adopts an aluminum honeycomb sound-absorbing board, and sound-absorbing rock wool is filled in honeycomb holes of the honeycomb sound-absorbing board (10).
6. The double-deck sound insulation structure of an elevator according to claim 1, wherein: the porous metal plate (8) adopts a stainless steel plate, and a damping cushion block (16) is arranged at the contact part of the porous metal plate (8) and the keel frame (7).
7. The double-deck sound insulation structure of an elevator according to claim 1, wherein: and sound-absorbing paint (17) is sprayed on one side of the porous metal plate (8) close to the air sound-insulating cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653178.7U CN219971549U (en) | 2023-06-28 | 2023-06-28 | Double-deck sound insulation structure of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653178.7U CN219971549U (en) | 2023-06-28 | 2023-06-28 | Double-deck sound insulation structure of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219971549U true CN219971549U (en) | 2023-11-07 |
Family
ID=88588520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321653178.7U Active CN219971549U (en) | 2023-06-28 | 2023-06-28 | Double-deck sound insulation structure of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219971549U (en) |
-
2023
- 2023-06-28 CN CN202321653178.7U patent/CN219971549U/en active Active
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