CN219794267U - Noise reduction and sound absorption device suitable for elevator well - Google Patents
Noise reduction and sound absorption device suitable for elevator well Download PDFInfo
- Publication number
- CN219794267U CN219794267U CN202223174362.1U CN202223174362U CN219794267U CN 219794267 U CN219794267 U CN 219794267U CN 202223174362 U CN202223174362 U CN 202223174362U CN 219794267 U CN219794267 U CN 219794267U
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- connecting plate
- sound
- wall
- noise reduction
- elevator
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 230000030279 gene silencing Effects 0.000 claims abstract 2
- 229920000742 Cotton Polymers 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910052902 vermiculite Inorganic materials 0.000 description 2
- 239000010455 vermiculite Substances 0.000 description 2
- 235000019354 vermiculite Nutrition 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a noise reduction and sound absorption device suitable for an elevator shaft, which relates to the technical field of noise treatment devices and comprises an elevator shaft wall, wherein a first connecting plate is connected to the outer wall of the elevator shaft wall, a noise reduction and sound absorption assembly is connected to the outer wall of the first connecting plate, a second connecting plate, a reinforcing layer, a noise reduction layer and a buffer layer are sequentially arranged on the noise reduction and sound absorption assembly from inside to outside, the buffer layer comprises a plurality of horn barrels which are equidistantly arranged and fixing plates connected to the end parts of the horn barrels, and clamping mechanisms are arranged at four corner positions of the noise reduction and sound absorption assembly and the first connecting plate. The utility model has the advantages that the structural design is convenient for assembling and disassembling on the well wall, the integral structural strength and the silencing performance of the acoustic panel are improved, and the sound can be absorbed and weakened.
Description
Technical Field
The utility model relates to the technical field of noise treatment devices, in particular to a noise reduction and absorption device suitable for an elevator hoistway.
Background
Elevator noise is a common noise in life, and its noise source is divided into elevator machine room noise and elevator well noise, and usually the elevator well noise has a great influence on people's daily life. Because the space in the elevator well is narrow and small, and each plane is parallel to each other, the sound waves are easy to be overlapped to generate standing waves, so that the noise is amplified, the necessary design and perfection of the sound absorbing plate of the elevator well are needed, and the elevator well noise reducing and absorbing device with simple structure and good noise reducing and absorbing effects is designed.
The Chinese patent publication No. CN203794393U discloses a noise-reducing sound-absorbing device suitable for an elevator shaft, which is a square sound-absorbing channel arranged on the inner side of the elevator shaft wall, wherein the square sound-absorbing channel is formed by combining a plurality of noise-reducing sound-absorbing boards, the noise-reducing sound-absorbing boards are formed by a layer of plane sound-absorbing base plate and a layer of wavy sound-absorbing board, the plane sound-absorbing base plate is formed by glass fiber cotton, the surface of the plane sound-absorbing base plate is compositely adhered with the wavy sound-absorbing board, the wavy sound-absorbing board is formed by vermiculite particles, the vermiculite particles are pressed into wavy shapes with high and low fluctuation, the noise-reducing sound-absorbing board is a sound-absorbing material which is specially manufactured for the elevator shaft and a machine room and is formed by spraying and compounding nanofiber materials with fixed specific weight, and special wavy surface structures are formed by pressing, the special structures of the surfaces enlarge the sound-absorbing range, noise generated in the operation process of the elevator can be effectively absorbed, and the reflection effect of a sound source is changed, and the sound-insulating wall effect is formed.
The noise reduction and sound absorption device suitable for the elevator well is designed in the above patent, and when the existing noise reduction and sound absorption device for the elevator well is used, the problem that the installation structure on the inner side of the sound absorption plate and the well wall is inconvenient and the disassembly is inconvenient exists.
Disclosure of Invention
The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a noise reduction and absorption device suitable for an elevator hoistway, so as to solve the technical problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sound device of making an uproar falls suitable for elevator well, includes the elevator well wall, the outer wall connection of elevator well wall has connecting plate one, the outer wall connection of connecting plate one has the sound subassembly of making an uproar falls, it has set gradually connecting plate two, reinforcement layer, amortization layer and buffer layer to fall the sound subassembly from inside to outside, the buffer layer includes the horn section of thick bamboo that a plurality of equidistance set up and connects the fixed plate constitution at the horn section of thick bamboo tip, fall and inhale four corner positions departments of sound subassembly and connecting plate one and all be provided with joint mechanism.
As further description of the technical scheme, the first connecting plate is fixedly connected with the elevator shaft wall through welding or screws, and the inner side of the movable plate is fixedly connected with the end part of the spring through screws.
As a further description of the above technical scheme, the clamping mechanism comprises a clamping block which is arranged at the corner close to the noise reduction and sound absorption assembly, a spring is arranged in the clamping block, two end parts of the spring are connected with movable plates, the outer wall of each movable plate is connected with a limiting rod, the end parts of the limiting rods extend to the outer parts of the clamping block, the outer wall of the first connecting plate is provided with a clamping groove for clamping block insertion, and two inner walls of the clamping groove are provided with limiting grooves for limiting rod clamping.
As further description of the technical scheme, the clamping block is fixedly welded or fixedly connected with the second connecting plate through a screw.
As a further description of the above technical solution, a cavity for the movable plate to move is provided in the clamping block, the movable plate and the spring are both installed in the cavity, and one end of the clamping groove extends to the outer side wall of the first connecting plate.
As a further description of the above technical solution, the reinforcing layer is a member made of carbon fiber board, and the noise reduction layer is a member made of sound absorbing cotton.
As a further description of the above technical solution, the buffer layer is a member made of slag wool.
The utility model has the beneficial effects that:
through setting up joint mechanism, structural design convenience assembles and dismantles on the wall of a well, through pressing the fly leaf, inwards extrude the spring, drive the gag lever post to the inside shrink of joint piece, press close to one side of connecting plate one with connecting plate two, through joint piece and the inside looks joint of joint groove, accomplish fixedly, the reinforcement layer is the component of a carbon fiber board material, be convenient for improve the holistic structural strength of abatvoix when using, the component of a sound cotton material is inhaled to the noise-absorbing layer, be convenient for improve the performance to noise amortization when using, the buffer layer is the component of a slag cotton material, the noise is convenient for carry out first step to the noise when using, when the sound passes through loudspeaker section of thick bamboo, can absorb the sound and weaken, when getting into the noise-absorbing layer, the noise has weakened a part, be convenient for improve the noise reduction treatment performance to the sound.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the structure of fig. 1 a according to the present utility model.
Fig. 3 is a schematic structural view of a clamping block in the present utility model.
Fig. 4 is a schematic diagram of a connection structure between a noise reduction and sound absorption assembly and a connection board in the present utility model.
The reference numerals are: 1. a hoistway wall; 2. a first connecting plate; 3. a clamping groove; 4. a second connecting plate; 5. a reinforcing layer; 6. a sound deadening layer; 7. a buffer layer; 8. a horn; 9. a fixing plate; 10. a limit groove; 11. a limit rod; 12. a movable plate; 13. a spring; 14. and a clamping block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The noise reduction and sound absorption device comprises a hoistway wall 1, wherein a connecting plate I2 is connected to the outer wall of the hoistway wall 1, a noise reduction and sound absorption component is connected to the outer wall of the connecting plate I2, a connecting plate II 4, a reinforcing layer 5, a noise reduction layer 6 and a buffer layer 7 are sequentially arranged on the noise reduction and sound absorption component from inside to outside, the buffer layer 7 comprises a horn 8 and a fixing plate 9, the horn 8 is arranged at the end part of the horn 8 at equal intervals, and clamping mechanisms are arranged at the four corner positions of the noise reduction and sound absorption component and the connecting plate I2.
According to the illustration in fig. 1, the first connecting plate 2 is fixedly connected with the elevator shaft wall 1 by welding or screws, and the inner side of the movable plate 12 is fixedly connected with the end part of the spring 13 by screws.
According to the joint mechanism shown in fig. 1, the joint mechanism is including setting up the joint piece 14 that is close to the sound subassembly corner of making an uproar that falls, the inside of joint piece 14 is equipped with spring 13, the both ends of spring 13 all are connected with fly leaf 12, the outer wall connection of fly leaf 12 has gag lever post 11, and the tip of gag lever post 11 extends to the outside of joint piece 14, the outer wall of connecting plate one 2 is provided with the draw-in groove 3 that is used for joint piece 14 male, two inner walls of draw-in groove 3 are equipped with the spacing groove 10 that is used for gag lever post 11 joint, welded fastening or through screw fixed connection between joint piece 14 and the connecting plate two 4, the inside of joint piece 14 is provided with the cavity that is used for fly leaf 12 activity, inside this cavity is all installed to fly leaf 12 and spring 13, one end of draw-in groove 3 extends to the lateral wall of connecting plate one 2, the connecting plate on the wall of a well is fixed conveniently.
Wherein, the reinforcement layer 5 is the component of a carbon fiber board material, and the amortization layer 6 is the component of a sound absorbing cotton material, is convenient for improve the holistic structural strength of abatvoix when using, and buffer layer 7 is the component of a mineral wool material, conveniently makes an uproar falls to the noise when using in first step.
The working principle of the utility model is as follows: when the utility model is used, the clamping mechanism is arranged, the connecting plate II 4 on the well wall is conveniently fixed, the spring 13 is pressed inwards by pressing the movable plate 12, the limiting rod 11 is driven to shrink inwards by the clamping block 14, the connecting plate II 4 is close to one side of the connecting plate I2 and is clamped with the clamping groove 3 through the clamping block 14, the fixing is completed, the reinforcing layer 5 is a member made of carbon fiber plate, the integral structural strength of the sound-absorbing plate is convenient to improve when the sound-absorbing plate is used, the sound-absorbing layer 6 is a member made of sound-absorbing cotton, the noise-absorbing performance is convenient to improve when the sound-absorbing plate is used, the buffer layer 7 is a member made of slag cotton, the noise is convenient to reduce in the first step when the sound passes through the horn 8, the sound is absorbed and weakened, and when the sound enters the sound-absorbing layer 6, part of the noise is weakened, and the noise-reducing processing performance on the sound is convenient to improve.
The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. Noise reduction and sound absorption device suitable for elevator well, including elevator well wall (1), the outer wall of elevator well wall (1) is connected with connecting plate one (2), its characterized in that: the outer wall of connecting plate one (2) is connected with the sound subassembly of making an uproar that falls, it has set gradually connecting plate two (4), enhancement layer (5), amortization layer (6) and buffer layer (7) to fall the sound subassembly from inside to outside, buffer layer (7) are including horn (8) and fixed plate (9) of connecting at horn (8) tip that a plurality of equidistance set up to constitute, fall and inhale four corner positions departments of sound subassembly and connecting plate one (2) and all be provided with joint mechanism.
2. A noise reducing and absorbing device for use in an elevator hoistway as defined in claim 1, wherein: the first connecting plate (2) is fixedly connected with the elevator shaft wall (1) through welding or screws.
3. A noise reducing and absorbing device for use in an elevator hoistway as defined in claim 1, wherein: the clamping mechanism comprises clamping blocks (14) which are arranged at corners of the noise reduction and sound absorption assembly, springs (13) are arranged in the clamping blocks (14), movable plates (12) are connected to two end portions of the springs (13), limiting rods (11) are connected to the outer walls of the movable plates (12), the end portions of the limiting rods (11) extend to the outer portions of the clamping blocks (14), clamping grooves (3) used for clamping the first connecting plate (2) are formed in the outer walls of the first connecting plate (2), limiting grooves (10) used for clamping the limiting rods (11) are formed in two inner walls of the clamping grooves (3), and the inner sides of the movable plates (12) are fixedly connected with the end portions of the springs (13) through screws.
4. A noise reducing and absorbing device for use in an elevator hoistway as claimed in claim 3, wherein: the clamping block (14) is fixedly welded or fixedly connected with the second connecting plate (4) through a screw.
5. A noise reducing and absorbing device for use in an elevator hoistway as claimed in claim 3, wherein: the inside of joint piece (14) is provided with the cavity that is used for fly leaf (12) activity, fly leaf (12) and spring (13) are all installed in this cavity inside, the lateral wall of connecting plate one (2) is extended to one end of joint groove (3).
6. A noise reducing and absorbing device for use in an elevator hoistway as defined in claim 1, wherein: the reinforcing layer (5) is a member made of carbon fiber plates, and the silencing layer (6) is a member made of sound absorbing cotton.
7. A noise reducing and absorbing device for use in an elevator hoistway as defined in claim 1, wherein: the buffer layer (7) is a component made of mineral cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174362.1U CN219794267U (en) | 2022-11-29 | 2022-11-29 | Noise reduction and sound absorption device suitable for elevator well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174362.1U CN219794267U (en) | 2022-11-29 | 2022-11-29 | Noise reduction and sound absorption device suitable for elevator well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219794267U true CN219794267U (en) | 2023-10-03 |
Family
ID=88178528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223174362.1U Active CN219794267U (en) | 2022-11-29 | 2022-11-29 | Noise reduction and sound absorption device suitable for elevator well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219794267U (en) |
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2022
- 2022-11-29 CN CN202223174362.1U patent/CN219794267U/en active Active
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| GR01 | Patent grant |