CN106348135B - A kind of mute elevator - Google Patents
A kind of mute elevator Download PDFInfo
- Publication number
- CN106348135B CN106348135B CN201610879613.6A CN201610879613A CN106348135B CN 106348135 B CN106348135 B CN 106348135B CN 201610879613 A CN201610879613 A CN 201610879613A CN 106348135 B CN106348135 B CN 106348135B
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- Prior art keywords
- board
- sound reflection
- acoustic
- acoustic board
- wall
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Links
- 230000030279 gene silencing Effects 0.000 claims abstract description 26
- 238000013016 damping Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000000178 monomer Substances 0.000 claims abstract description 17
- 239000002023 wood Substances 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 9
- 241000219000 Populus Species 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 244000050510 Cunninghamia lanceolata Species 0.000 claims description 5
- 244000055346 Paulownia Species 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000739 chaotic effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
Abstract
The application discloses a kind of mute elevator, its car include car top, sedan-chair enclose, upper car floor and lower car floor, sedan-chair is enclosed including the inner wall being spliced to form by multiple inner wall monomers, the outer wall being spliced to form by multiple outer wall monomers and outer side seal board, and acoustical panel is equipped in the space that outer wall monomer and outer side seal board surround；Acoustical panel comprising the acoustic board and sound reflection board of distance setting, acoustic board are set to nearly outer side seal board side；The silencing groove for being parallel to car floor on acoustic board and being equidistantly equipped with；Sound reflection board includes that polylith wooden boards are spliced, and wooden boards are tangential sawing material, and wooden boards gather direction with its wood radiaftive rays and are directed toward the setting of acoustic board side；Sound reflection board includes the first damping layer and reflecting layer close to the setting of acoustic board side in the thickness direction thereof；First damping layer and the Nature Link that reflecting layer is same material.Noise is avoided with good muffling effect, while ensureing mute in car to be reflected back toward in hoistway, increase the characteristics of noise in hoistway.
Description
Technical field
The present invention relates to elevator quietness technology fields, and in particular to a kind of mute elevator.
Background technology
More and more buildings have used the elevator of car type as the means of delivery up and down in building, Lift car type elevator fortune
Line efficiency is high, range ability is short.And as the improvement of people's living standards, the number of plies and height of building increase, to the fortune of elevator
Scanning frequency degree proposes new requirement, and the speed of service of the elevator in a large amount of high-rise building has reached the speed of 2-3m/s.With
Its simultaneously, the new technology requirement to elevator brought is how to ensure that elevator is noiseless in hoistway in high-speed cruising
Or low noise operation.
Elevator occurs the reason of wind noise in hoistway and essentially consists in interference in air flow in hoistway.Interference in air flow is that car exists
The chaotic air-flow generated when uplink or downlink and chaotic air-flow airflow space when flowing into car from hoistway strongly reduce
With increased dramatically the wind noise generated to car.Patent CN100396587C discloses a kind of adjustment airflow apparatus of elevator, uses
In inhibit because car lifting flowing in car surrounding flow so that its from horizontal direction flow into car door side outside wall surface and
In gap between the hall door side internal face of liftway, has pair of right and left air-flow curtain-shaped cover member, which hides
Cover above-mentioned lifting direction of the component across above-mentioned car, be clamped in the horizontal direction above-mentioned car door and above-mentioned hall door and
The mode that the hall door side internal face of above-mentioned liftway is extended to from above-mentioned car is fixed on above-mentioned car.Above-mentioned technical proposal
The problems such as can preventing the noise caused by air sinuous flow, however the noise treatment effect that above-mentioned technical proposal generates side wall
It is limited.
Invention content
It is an object of the invention to overcome above-mentioned technological deficiency, provide it is a kind of effectively disappear in car and hoistway noise it is quiet
Sound elevator.The technical purpose of the present invention is achieved through the following technical solutions：
A kind of mute elevator, car includes car top, sedan-chair encloses, upper car floor and lower car floor, the sedan-chair are enclosed including by multiple interior
Inner wall that wall monomer is spliced to form, the outer wall being spliced to form by multiple outer wall monomers and outer side seal board, the outer wall monomer and
Acoustical panel is equipped in the space that the outer side seal board surrounds；
The acoustical panel comprising the acoustic board and sound reflection board of distance setting, the acoustic board are set to close described outer
Side seal board side；
The silencing groove for being parallel to car floor on the acoustic board and being equidistantly equipped with；
The sound reflection board includes that polylith wooden boards are spliced, and the wooden boards are tangential sawing material, and described
Wooden boards gather direction with its wood radiaftive rays and are directed toward the acoustic board side setting；
The sound reflection board include in the thickness direction thereof close to the acoustic board side setting the first damping layer and
Reflecting layer；First damping layer and the Nature Link that the reflecting layer is same material.
It studies for a long period of time discovery by inventor, the existing mute material of elevator mostly uses metal sheet and offers more empty tie
The Oak Tree of structure, the combining form of resin plate, however the mute material of this form only has the effect of sound insulation, i.e., by by car
Noise between hoistway is reflected back the form in hoistway to ensure the muting function of car, however the noise in hoistway passes through well
The structure in road space, hoisting mechanism and floor is transferred at resident family or entrance hall, is unfavorable for the silence processing of elevator entirety.In this skill
In art scheme, the noise generated by disorderly air-flow the part first between hoistway and car enters the suction by the silencing groove
Space between sound plate and the sound reflection board and enter in the sound reflection board, fraction decays in the acoustic board, is small
Part decaying, fraction in the silencing groove are reflected back in hoistway, are the acoustic board that raw material makes by using wooden boards
And sound reflection board ensures while muting function in car to realize to noise alleviation and loss, reduces and be reflected back well
The intensity of sound in road.
As a preferred embodiment of the above technical solution, the acoustic board, first damping layer, the reflecting layer and described second
The triangular density ratio of damping layer is：（0.28-0.40）:（0.28-0.40）:（0.60-0.70）.
As a preferred embodiment of the above technical solution, the thickness ratio between first damping layer and described reflecting layer the two is：
（2.0-2.2）:1.
As a preferred embodiment of the above technical solution, between the thickness of the acoustic board, the acoustic board and the sound reflection board
Away from being with the triangular ratio of the thickness of the sound reflection board（1.3-1.5）:（1.7-1.9）:（2.0-2.3）.
In the technical scheme, it is controlled in 0.28- by that will be used to open up the density of material of the acoustic board of the silencing groove
When 0.40, have it is preferable sound absorption properties, conducive to the acoustic absorption that will be reflected by the guide plate in the sound absorption slot and
The higher wood internal diffusing reflection of degree of hollowness to part decaying consumes；Since the density in the reflecting layer is significantly greater than described first
Damping layer simultaneously because the sound reflection board is formed by the tangential board material splice of polylith standard, and gathers one with its end wood radiaftive rays
The outer side seal board setting is directed toward in side, thus the width center line position of the sound reflection board is normal diameter direction, and both sides are then
With side is gathered by close end wood radiaftive rays side is scattered toward end wood radiaftive rays closer to standard radial, after combining both as a result,
The reflecting layer has higher acoustic impedance compared with first damping layer, thus the noise for entering the sound reflection board is anti-
It is emitted back towards in the space between the acoustic board and the sound reflection board, to further increase the acoustical panel of the technical program
Muting function.
As a preferred embodiment of the above technical solution, the silencing groove include the first smaller silencing groove of groove width and groove width it is larger and
Second silencing groove of the nearly sound reflection board side setting, first silencing groove and second silencing groove perforation connection.
As a preferred embodiment of the above technical solution, the acoustical panel further include be placed equidistant with it is anti-in the acoustic board and the sound
Multiple guide plates between plate are penetrated, the median plane of the guide plate and the plane of the sound reflection board are pressed from both sides with 37 ° -52 ° of acute angle；It is multiple
The median plane of the guide plate is parallel.
In the technical scheme, by the setting of multiple guide plates with the first damping layer described in the sound reflection board and institute
The density contrast for stating reflecting layer is matched with anisotropy difference, make noise in the acoustical panel continuous internal reflection, reflect and decline
Subtract.
As a preferred embodiment of the above technical solution, the guide plate both sides are elastic with the acoustic board and the sound reflection board respectively
Connection.
As a preferred embodiment of the above technical solution, the guide plate includes sawtooth corrugation；The sawtooth corrugation recess of the guide plate is embedding
Equipped with triangle silencing block, the plane that the receiving plane of multiple triangle silencing blocks is formed is overlapped with the median plane of the guide plate.
As a preferred embodiment of the above technical solution, the guide plate is anti-by floating connection component and the acoustic board and the sound
Penetrate plate.
As a preferred embodiment of the above technical solution, the floating connection component includes corresponding being opened in the acoustic board and institute
Card slot and card on sound reflection board is stated to set and the fixing piece in the card slot；The fixing piece includes the convex pad of multiple resins and is located at
Buckling groove between the adjacent convex pad of the resin, the convex pad of resin is interior to form elastic cavity；The guide plate both ends are equipped with connection
Part, the connector include multiple and the matched shackle member of the buckling groove.
In the technical scheme, the shackle member at its both ends of guide plate is entered by grafting in the buckling groove, realize its two
It is anti-to the guide plate and the sound to thus avoid the air-flow that car enters in the acoustical panel in operation for the elastic connection at end
Connection generates impact between penetrating plate, and ensures that the reflection angle of the guide plate remains unchanged simultaneously.
As a preferred embodiment of the above technical solution, the wooden boards be poplar after 180 DEG C of -210 DEG C of high-temperature heat treatments,
A kind of material in China fir or paulownia.
In the technical scheme, when timber is after high-temperature heat treatment, the cellulose in poplar, China fir or paulownia wood
Crystal region, which is decomposed, makes the reduction of its crystallinity, thus the sound transmission speed of the poplar, China fir and paulownia wood after high-temperature process
Degree is slower.
In conclusion the present invention has the following advantages：Good muffling effect ensures effectively to keep away while muting function in car
Exempt from noise to be reflected back toward in hoistway, increase noise in hoistway.
Description of the drawings
Fig. 1 is the vertical view of the acoustical panel of the embodiment of the present invention 1；
Fig. 2 is the side view of the acoustical panel of the embodiment of the present invention 1；
Fig. 3 is the side view of the acoustical panel of the embodiment of the present invention 2；
Fig. 4 is the schematic diagram of the guide plate of the embodiment of the present invention 2；
Fig. 5 is the partial enlarged view of Fig. 3；
In figure：
2- sedan-chairs enclose, 21- inner wall monomers, 22- outer wall monomers, the outer side seal boards of 26-,
7- acoustical panels, 71- acoustic boards, 72- sound reflection boards, the first damping layers of 72a-, the reflecting layer 72b-, 72c- second decay
Layer, 74- silencing grooves, 75- floating connection components, 751- card slots, 752- fixing pieces, the convex pad of 7521- resins, 7522- buckling grooves,
76- guide plates.
Specific implementation mode
The present invention will be further described in detail for scheme below in conjunction with the accompanying drawings and preferably.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Embodiment 1：A kind of mute elevator as shown in Figure 1, car include that car top, sedan-chair enclose 2, upper car floor and lower car floor,
It 2 includes the inner wall being spliced to form by multiple inner wall monomers 21 that sedan-chair, which encloses, is spliced to form by multiple outer wall monomers 22 outer wall and outer
Acoustical panel 7 is equipped in the space that side seal board 26, outer wall monomer 22 and outer side seal board 26 surround.
In conjunction with Fig. 2, acoustical panel 7 comprising the acoustic board 71 and sound reflection board 72, acoustic board 71 of distance setting are set to closely
26 side of outer side seal board；The silencing groove 74 for being parallel to car floor on acoustic board 71 and being equidistantly equipped with.
Sound reflection board 72 includes that polylith seeds are spliced for the wooden boards of the China fir by 180 DEG C of high-temperature heat treatments,
Wooden boards are tangential sawing material, and wooden boards gather direction with its wood radiaftive rays and are directed toward the setting of 71 side of acoustic board；Sound reflecting
Plate 72 includes the first damping layer 72a and reflecting layer 72b close to the setting of acoustic board side in the thickness direction thereof, and first declines
Subtract the Nature Link that layer 72a and reflecting layer 72b is same material.Acoustic board（71）, the first damping layer 72a and reflecting layer 72b tri-
Density ratio between person is：0.30:0.38:0.65, while the thickness ratio between the first damping layer 72a and reflecting layer 72b the two
For：2:Between 1 and the thickness of acoustic board 71, the spacing of acoustic board 71 and sound reflection board 72 and the thickness three of sound reflection board 72
Ratio be 1.4:1.8:2.1.
Embodiment 2：A kind of mute elevator as shown in Figure 3, car include that car top, sedan-chair enclose 2, upper car floor and lower car floor,
It 2 includes the inner wall being spliced to form by multiple inner wall monomers 21 that sedan-chair, which encloses, is spliced to form by multiple outer wall monomers 22 outer wall and outer
Acoustical panel 7 is equipped in the space that side seal board 26, outer wall monomer 22 and outer side seal board 26 surround.
Acoustical panel 7 comprising the acoustic board 71 of distance setting and is placed equidistant with anti-in 71 harmony of acoustic board sound reflection board 72
Multiple guide plates 76 between plate 72 are penetrated, acoustic board 71 is set to nearly 26 side of outer side seal board；It is parallel to car floor on acoustic board 71 and waits
Away from the silencing groove 74 that ground is equipped with, silencing groove 74 includes that groove width smaller the first silencing groove and groove width be larger and the nearly sound reflection board
Second silencing groove of side setting, first silencing groove and second silencing groove perforation connection.
Sound reflection board 72 includes that polylith seeds are spliced for the wooden boards of the poplar by 220 DEG C of high-temperature heat treatments,
Wooden boards are tangential sawing material, and wooden boards gather direction with its wood radiaftive rays and are directed toward the setting of 71 side of acoustic board；Sound reflecting
Plate 72 includes the first damping layer 72a and reflecting layer 72b close to the setting of acoustic board side in the thickness direction thereof, and first declines
Subtract the Nature Link that layer 72a and reflecting layer 72b is same material.Acoustic board（71）, the first damping layer 72a and reflecting layer 72b tri-
Density ratio between person is：0.28:0.38:0.60, while the thickness ratio between the first damping layer 72a and reflecting layer 72b the two
For：2.1:1 and the thickness of acoustic board 71, acoustic board 71 and the spacing and sound reflection board 72 of sound reflection board 72 thickness three
Between ratio be 1.5:1.9:2.3.
The median plane α of guide plate 76 is pressed from both sides with the plane of sound reflection board 72 with 46 ° of acute angle；The median plane α of multiple guide plates 76
It is parallel.
Turn to see that Fig. 4, guide plate 76 include sawtooth corrugation；The sawtooth corrugation recess of guide plate 76 is embedded with triangle silencing block, multiple
The plane that the receiving plane of triangle silencing block is formed is overlapped with the median plane α of guide plate 76, and in the present embodiment, triangle silencing block is close
Degree is 0.28-0.30g/cm2High-temperature heat treatment poplar material.
Turn to see that Fig. 5,76 both sides of guide plate are connected by floating connection component 75 and 72 elasticity of acoustic board 71 and sound reflection board respectively
It connects.It is identical with 75 structure of floating connection component on sound reflection board 72 to be set to acoustic board 71, therefore Fig. 5 is to be arranged in sound reflecting
The structure of the component is introduced for floating connection component 75 on plate 72.Floating connection component 75 is opened in sound absorption including corresponding
Card slot 751 and card on plate 71 and sound reflection board 72 are set and the fixing piece 752 in card slot 751；Fixing piece 752 includes 3 resins
Convex pad 7521 and the buckling groove 7522 between the convex pad of adjacent resin 7521 form elastic cavity in the convex pad of resin 7521；It leads
76 both ends of plate are equipped with connector, and connector includes 2 and 7522 matched shackle member of buckling groove, in the technical scheme, bullet
Property cavity in be filled with air, when sound reflection board 72 constantly absorbs noise and is converted into thermal energy while increasing elastic cavity to card
The clamping effect of fitting.
Embodiment 3：Embodiment 3 the difference from example 2 is that, further include setting in reflecting layer with respect to the first damping layer one
Second damping layer of side is the Nature Link of same material, the first decaying between the first damping layer, reflecting layer and the second damping layer
Density ratio between layer, reflecting layer and the second damping layer three is（0.28-0.40）:（0.60-0.70）:（0.30-0.35）,
Thickness ratio between three is（2.0-2.2）:1:1.
Claims (10)
1. a kind of mute elevator, car includes that car top, sedan-chair enclose（2）, upper car floor and lower car floor, the sedan-chair enclose（2）Including by more
A inner wall monomer（21）The inner wall that is spliced to form, by multiple outer wall monomers（22）The outer wall and outer side seal board being spliced to form
（26）, the outer wall monomer（22）With the outer side seal board（26）Acoustical panel is equipped in the space surrounded（7）；It is characterized in that：
The acoustical panel（7）Comprising the acoustic board of distance setting（71）And sound reflection board（72）, the acoustic board（71）Setting
In the nearly outer side seal board（26）Side；
The acoustic board（71）On be parallel to car floor and the silencing groove that is equidistantly equipped with（74）；
The sound reflection board（72）It is spliced including polylith wooden boards, the wooden boards are tangential sawing material, and described
Wooden boards gather direction with its wood radiaftive rays and are directed toward the acoustic board（71）Side is arranged；
The sound reflection board（72）Include the first damping layer close to acoustic board side setting in the thickness direction thereof
（72a）And reflecting layer（72b）；First damping layer（72a）With the reflecting layer（72b）For connecting naturally for same material
It connects.
2. a kind of mute elevator according to claim 1, it is characterised in that：The acoustic board（71）, it is described first decaying
Layer（72a）With the reflecting layer（72b）Triangular density ratio is：（0.28-0.40）:（0.28-0.40）:（0.60-
0.70）.
3. a kind of mute elevator according to claim 1, it is characterised in that：First damping layer（72a）With it is described anti-
Penetrate layer（72b）Thickness ratio between the two is：（2.0-2.2）:1.
4. a kind of mute elevator according to claim 1, it is characterised in that：The acoustic board（71）Thickness, the suction
Sound plate（71）With the sound reflection board（72）Spacing and the sound reflection board（72）The triangular ratio of thickness be（1.3-
1.5）:（1.7-1.9）:（2.0-2.3）.
5. a kind of mute elevator according to claim 1, it is characterised in that：The acoustical panel（7）Further include being placed equidistant with
In the acoustic board（71）With the sound reflection board（72）Between multiple guide plates（76）, the guide plate（76）Median plane with it is described
Sound reflection board（72）Plane with 37 ° -52 ° acute angle press from both sides；Multiple guide plates（76）Median plane it is parallel.
6. a kind of mute elevator according to claim 5, it is characterised in that：The guide plate（76）Both sides respectively with the suction
Sound plate（71）With the sound reflection board（72）Elastic connection.
7. a kind of mute elevator according to claim 5, it is characterised in that：The guide plate（76）Including sawtooth corrugation；Institute
State guide plate（76）Sawtooth corrugation recess be embedded with triangle silencing block, the plane that the receiving planes of multiple triangle silencing blocks is formed
With the guide plate（76）Median plane overlap.
8. a kind of mute elevator according to claim 6, it is characterised in that：The guide plate（76）Pass through floating connection component
（75）With the acoustic board（71）With the sound reflection board（72）Elastic connection.
9. a kind of mute elevator according to claim 8, it is characterised in that：The floating connection component（75）Including opposite
The acoustic board should be opened in（71）With the sound reflection board（72）On card slot（751）It is set and the card slot with card（751）In
Fixing piece（752）；The fixing piece（752）Including the convex pad of multiple resins（7521）With positioned at the adjacent convex pad of resin
（7521）Between buckling groove（7522）, the convex pad of resin（7521）Interior formation elastic cavity；The guide plate（76）Both ends are set
It includes multiple and the buckling groove to have connector, the connector（7522）Matched shackle member.
10. a kind of mute elevator according to claim 1, it is characterised in that：The wooden boards are through 180 DEG C -210 DEG C
A kind of material in poplar, China fir or paulownia after high-temperature heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879613.6A CN106348135B (en) | 2016-10-09 | 2016-10-09 | A kind of mute elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879613.6A CN106348135B (en) | 2016-10-09 | 2016-10-09 | A kind of mute elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106348135A CN106348135A (en) | 2017-01-25 |
| CN106348135B true CN106348135B (en) | 2018-09-11 |
Family
ID=57867186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610879613.6A Active CN106348135B (en) | 2016-10-09 | 2016-10-09 | A kind of mute elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106348135B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4414257A (en) * | 1981-07-09 | 1983-11-08 | Mitsubishi Denki Kabushiki Kaisha | Elevator panel |
| US5454449A (en) * | 1992-09-04 | 1995-10-03 | Kone Elevator Gmbh | Wall structure for an elevator, and an elevator car |
| JP2010074574A (en) * | 2008-09-19 | 2010-04-02 | Toshiba Corp | Electronic apparatus and sound adjusting method |
| JP2014525631A (en) * | 2011-09-01 | 2014-09-29 | マイクロソフト コーポレーション | Partial deduplication file optimization |
| CN204751800U (en) * | 2015-06-24 | 2015-11-11 | 浙江快速电梯有限公司 | Elevator car sound -insulating structure |
| CN204847707U (en) * | 2015-08-19 | 2015-12-09 | 曼斯顿电梯(浙江)有限公司 | Low noise elevator car |
| CN205328422U (en) * | 2016-01-22 | 2016-06-22 | 浙江蒂尔森电梯有限公司 | Thermal -insulated elevator car that makes an uproar falls |
| CN205575323U (en) * | 2016-03-22 | 2016-09-14 | 盐城市创颖知识产权服务有限公司 | Novel elevator guide way |
-
2016
- 2016-10-09 CN CN201610879613.6A patent/CN106348135B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4414257A (en) * | 1981-07-09 | 1983-11-08 | Mitsubishi Denki Kabushiki Kaisha | Elevator panel |
| US5454449A (en) * | 1992-09-04 | 1995-10-03 | Kone Elevator Gmbh | Wall structure for an elevator, and an elevator car |
| JP2010074574A (en) * | 2008-09-19 | 2010-04-02 | Toshiba Corp | Electronic apparatus and sound adjusting method |
| JP2014525631A (en) * | 2011-09-01 | 2014-09-29 | マイクロソフト コーポレーション | Partial deduplication file optimization |
| CN204751800U (en) * | 2015-06-24 | 2015-11-11 | 浙江快速电梯有限公司 | Elevator car sound -insulating structure |
| CN204847707U (en) * | 2015-08-19 | 2015-12-09 | 曼斯顿电梯(浙江)有限公司 | Low noise elevator car |
| CN205328422U (en) * | 2016-01-22 | 2016-06-22 | 浙江蒂尔森电梯有限公司 | Thermal -insulated elevator car that makes an uproar falls |
| CN205575323U (en) * | 2016-03-22 | 2016-09-14 | 盐城市创颖知识产权服务有限公司 | Novel elevator guide way |
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| Publication number | Publication date |
|---|---|
| CN106348135A (en) | 2017-01-25 |
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