CN113748077A - Skirting board device of elevator - Google Patents
Skirting board device of elevator Download PDFInfo
- Publication number
- CN113748077A CN113748077A CN201980064829.9A CN201980064829A CN113748077A CN 113748077 A CN113748077 A CN 113748077A CN 201980064829 A CN201980064829 A CN 201980064829A CN 113748077 A CN113748077 A CN 113748077A
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- Prior art keywords
- skirting board
- car
- board seat
- skirting
- elevator
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- 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
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention provides a skirting board device of an elevator, which can easily install a side wall while maintaining sound insulation performance. The skirting board device of elevator possesses: a lower skirting board seat fixed on the floor of the cage; an upper skirting board seat which is provided above the lower skirting board seat, is fixed to the lower skirting board seat from the inner side of the car in a state where a vertical gap is formed between the upper skirting board seat and the lower skirting board seat, and has a side wall fixed to the upper side of the upper skirting board seat from the inner side of the car; and a skirting board main body which forms a gap between the lower side skirting board seat and the side wall of the car when the skirting board main body is installed on the lower side skirting board seat or the upper side skirting board seat from the inner side of the car, and forms a ventilation path of a labyrinth structure communicated from the outer side of the car to the inner side of the car together with the lower side skirting board seat and the upper side skirting board seat.
Description
Technical Field
The present invention relates to a skirting device for an elevator.
Background
Patent document 1 discloses a skirting device for an elevator. The skirting board device forms a ventilation path with a labyrinth structure. Therefore, the sound insulation performance can be improved.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2012-180213
Disclosure of Invention
Problems to be solved by the invention
However, in the skirting device described in patent document 1, the side wall cannot be attached from the inside of the car. Therefore, the installation of the side wall is difficult.
The present invention has been made to solve the above problems. The invention aims to provide a skirting board device of an elevator, which can easily install a side wall while maintaining sound insulation performance.
Means for solving the problems
The present invention provides an elevator skirting device, which comprises: a lower skirting board seat fixed on the floor of the cage; an upper skirting board seat which is provided above the lower skirting board seat, is fixed to the lower skirting board seat from the inner side of the car in a state where a vertical gap is formed between the upper skirting board seat and the lower skirting board seat, and has a side wall fixed to the upper side of the upper skirting board seat from the inner side of the car; and a skirting board main body which forms a gap between the lower side skirting board seat and the side wall of the car when the skirting board main body is installed on the lower side skirting board seat or the upper side skirting board seat from the inner side of the car, and forms a ventilation path of a labyrinth structure communicated from the outer side of the car to the inner side of the car together with the lower side skirting board seat and the upper side skirting board seat.
Effects of the invention
According to the present invention, the upper skirting board seat is fixed to the lower skirting board seat and the side wall from the inside of the car. The skirting board main body, the lower side skirting board seat and the upper side skirting board seat form a ventilation path with a labyrinth structure. Therefore, the side wall can be easily mounted while maintaining the sound insulation performance.
Drawings
Fig. 1 is a perspective view of a car to which a skirting device of an elevator in embodiment 1 is applied.
Fig. 2 is a front view of the inside of a car to which a skirting device of an elevator in embodiment 1 is applied.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a sectional view taken along line B-B of fig. 2.
Fig. 5 is a view corresponding to fig. 3 of the skirting device of an elevator in embodiment 2.
Fig. 6 is a view corresponding to fig. 3 of the skirting device of an elevator in embodiment 3.
Fig. 7 is a view corresponding to fig. 4 of the skirting device of an elevator in embodiment 3.
Fig. 8 is a view corresponding to fig. 3 of the skirting device of an elevator in embodiment 4.
Detailed Description
The mode for carrying out the present invention will be described with reference to the accompanying drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals. Repetitive description of this part is appropriately simplified or even omitted.
Embodiment mode 1
Fig. 1 is a perspective view of a car to which a skirting device of an elevator in embodiment 1 is applied. Fig. 2 is a front view of the inside of a car to which a skirting device of an elevator in embodiment 1 is applied. Fig. 3 is a sectional view taken along line a-a of fig. 2.
In the elevator of fig. 1, a hoistway 1 penetrates each floor of a building. The car 2 is provided to be able to ascend and descend inside the hoistway 1. The car door 3 is provided to be able to open and close the doorway of the car 2.
As shown in fig. 2, the car 2 is formed of a floor 4, a plurality of side walls 5, and a ceiling 6. The floor 4 forms the lower part of the car 2. The plurality of side walls 5 form side portions of the car 2. The ceiling 6 forms an upper part of the car 2.
The lighting panel 7 is provided on the ceiling 6 of the car 2. A plurality of skirting devices 8 are respectively provided between each of the plurality of side walls 5 and the floor 4.
As shown in fig. 3, the skirting board device 8 includes a lower skirting board base 9, a plurality of clips 10, a plurality of spacers 11, an upper skirting board base 12, and a skirting board main body 13.
In the lower kick plate base 9, a pair of lower horizontal portions 9a are formed integrally with lower vertical portions 9 b. The pair of lower horizontal portions 9a are arranged in the vertical direction and form a horizontal plane. The lower vertical portion 9b forms a vertical surface in a state where the pair of lower horizontal portions 9a are connected to the inside of the car 2.
Although not shown, a plurality of floor fixing holes are formed in the lower horizontal portion 9a in a horizontal direction. A plurality of upper kickboard seat fixing holes are formed in the upper lower horizontal portion 9a in a horizontal direction. A plurality of clip attachment holes are formed in the lower hanging portion 9b in a horizontal direction.
The lower kick plate base 9 is fixed to the floor 4 by a plurality of bolts 14 and a plurality of nuts 15 through a plurality of floor fixing holes of the lower horizontal portion 9a from the outside of the car 2.
The plurality of clips 10 are attached to the plurality of clip attachment holes of the lower skirting board seat 9, respectively. The plurality of clips 10 are opened toward the inside of the car 2 directly above the upper lower horizontal portion 9 a.
The plurality of spacers 11 are arranged in a horizontal direction on the upper surface of the lower horizontal portion 9a on the upper side of the lower kick plate base 9. The upper surfaces of the plurality of spacers 11 are arranged above the highest positions of the plurality of clamps 10.
The upper skirting board seat 12 is disposed above the lower skirting board seat 9. In the upper kick plate base 12, a pair of upper horizontal portions 12a are formed integrally with upper vertical portions 12 b. The pair of upper horizontal portions 12a are arranged in the vertical direction and form a horizontal plane. The upper vertical portion 12b forms a vertical surface in a state where the pair of upper horizontal portions 12a are connected to the outside of the car 2.
Although not shown, a plurality of lower kickboard seat fixing holes are formed in the lower upper horizontal portion 12a in a horizontal direction. A plurality of side wall fixing holes are formed in the upper horizontal portion 12a on the upper side in a horizontal direction.
The upper kick plate base 12 is fixed to the lower kick plate base 9 by a plurality of bolts 14 and a plurality of nuts 15 by a plurality of lower kick plate base fixing holes of the lower upper horizontal portion 12a and a plurality of upper kick plate base fixing holes of the lower kick plate base 9 through work performed from the inside of the car 2.
The upper kick plate base 12 is fixed to the side wall 5 by a plurality of bolts 14 and a plurality of nuts 15 by a plurality of side wall fixing holes of the upper horizontal portion 12a from the inside of the car 2.
For example, the skirting board body 13 is formed by bonding an L-shaped 1 st mounting piece 16 to an L-shaped decorative plate 17.
The 1 st fixture 16 includes a 1 st fixing portion 16a and an insertion portion 16 b.
The 1 st fixing portion 16a forms a vertical surface. The insertion portion 16b protrudes outward of the car 2 in a state of being coupled to the upper side of the 1 st fixing portion 16 a.
The decorative plate 17 includes a decorative portion 17a and an abutting portion 17 b.
The decorative portion 17a forms a vertical plane. The decorative portion 17a fixes the 1 st fixing portion 16a to the outer surface of the car 2. When the insertion portion 16b is inserted into the plurality of clamping members 10, the decorative portion 17a shields a gap between the lower side horizontal portion 9a on the upper side in the lower kick plate base 9 and the upper side horizontal portion 12a on the lower side in the upper kick plate base 12 from the inside of the car 2. The contact portion 17b forms a horizontal surface protruding from the decorative portion 17a to the outside of the car 2 in a state of being connected to the lower side of the decorative portion 17 a. When the insertion portion 16b is inserted into the plurality of clips 10, the abutment portion 17b abuts against the lower vertical portion 9b of the lower skirt board base 9.
Next, the ventilation path of the skirting device 8 will be described with reference to fig. 4.
Fig. 4 is a sectional view taken along line B-B of fig. 2.
As shown in fig. 4, a gap is secured between the upper lower horizontal portion 9a of the lower kick plate base 9 and the lower upper horizontal portion 12a of the upper kick plate base 12 in a region where the plurality of spacers 11 are not present. Therefore, the air flows in the horizontal direction from the outside of the car 2 toward the inside of the car 2.
However, the decorative portion 17a shields a gap between the lower horizontal portion 9a on the upper side in the lower kick plate base 9 and the upper horizontal portion 12a on the lower side in the upper kick plate base 12 from the inside of the car 2.
Therefore, the horizontal flow of the air is blocked by the decorative portion 17 a. As a result, the air flows upward. Then, the air flows toward the inside of the car 2 through the gap between the kick plate body 13 and the side wall 5.
According to embodiment 1 described above, the upper kick plate base 12 is fixed to the lower kick plate base 9 and the side wall 5 from the inside of the car 2. The skirting board main body 13 is inserted into the clamp 10 from the inside of the car 2. At this time, the skirting board body 13 forms a ventilation path of a labyrinth structure together with the lower skirting board seat 9 and the upper skirting board seat 12. In the labyrinth structure, the distance of the ventilation path can be extended. As a result, the side wall 5 can be easily attached while maintaining the sound insulation performance.
The plurality of spacers 11 are arranged in a horizontal direction on the upper surface of the upper lower horizontal portion 9a of the lower kick plate base 9. Therefore, a gap for ventilation can be easily formed between the lower horizontal portion 9a on the upper side in the lower kick plate base 9 and the upper horizontal portion 12a on the lower side in the upper kick plate base 12.
Further, in the decorative plate 17, the abutting portion 17b abuts against the lower hanging portion 9b of the lower skirt plate holder 9 when the insertion portion 16b is inserted into the plurality of clips 10. Therefore, the sound flowing into the car from the plurality of clip mounting holes can be reduced.
Fig. 5 is a view corresponding to fig. 3 of the skirting device of an elevator in embodiment 2. The same or corresponding portions as those in embodiment 1 are denoted by the same reference numerals. The description of this part is omitted.
The skirting board device 8 of embodiment 2 is a device in which the sound absorbing material 18a of the 1 st and sound absorbing material 18b of the 2 nd are added to the skirting board device 8 of embodiment 1.
The 1 st sound absorbing material 18a is fixed so as to cover the entire surface of the 1 st fixing portion 16a of the 1 st mounting fixture 16 on the outside of the car 2. The 2 nd sound absorbing material 18b is fixed so as to cover a surface located above the 1 st mounting element 16 among the surfaces of the decorative portion 17a of the decorative plate 17 located outside the car 2. The 1 st sound absorbing material 18a and the 2 nd sound absorbing material 18b are provided so as to be capable of absorbing sound.
According to embodiment 2 described above, the 1 st sound absorbing material 18a and the 2 nd sound absorbing material 18b are fixed to the surface of the skirting board main body 13 on the outer side of the car 2. Therefore, the echo between the lower skirting board seat 9 and the skirting board main body 13 and the echo between the upper skirting board seat 12 and the skirting board main body 13 can be reduced.
Fig. 6 is a view corresponding to fig. 3 of the skirting device of an elevator in embodiment 3. Fig. 7 is a view corresponding to fig. 4 of the skirting device of an elevator in embodiment 3. Note that the same or corresponding portions as those in embodiment 1 are denoted by the same reference numerals. The description of this part is omitted.
The skirting board device 8 of embodiment 3 is a device in which the second mounting member 19 of the L shape is attached to the skirting board device 8 of embodiment 1.
The L-shaped 2 nd fixture 19 is disposed above the 1 st fixture 16. In the 2 nd fixture 19, the 2 nd fixing portion 19a is formed integrally with the path changing portion 19 b.
The 2 nd fixing portion 19a is fixed to the surface of the decorative portion 17a on the outer side of the car 2 above the 1 st fixing portion 16 a. The path changing portion 19b forms a horizontal surface protruding from the 2 nd fixing portion 19a to the outside of the car 2 in a state of being connected to the upper side of the 2 nd fixing portion 19 a. When the insertion portion 16b is inserted into the plurality of clips 10, the path changing portion 19b is not in contact with the upper vertical portion 12b of the upper skirting board seat 12 in a state of being disposed between the pair of upper horizontal portions 12a of the upper skirting board seat 12.
As a result, the labyrinth structure of the ventilation path between the upper skirting board seat 12 and the skirting board main body 13 is more complicated than that of embodiment 1. Therefore, the ventilation path is longer than that of embodiment 1.
According to embodiment 3 described above, the 2 nd attaching part 19 makes the labyrinth structure between the upper skirting board seat 12 and the skirting board main body 13 more complicated. Therefore, a higher distance attenuation can be obtained for the sound flowing from the outside to the inside of the car 2.
Fig. 8 is a view corresponding to fig. 3 of the skirting device of an elevator in embodiment 4. The same or corresponding portions as those in embodiment 3 are denoted by the same reference numerals. The description of this part is omitted.
The skirting board device 8 of embodiment 4 is a device in which the 3 rd sound absorbing material 18c, the 4 th sound absorbing material 18d, the 5 th sound absorbing material 18e, the 6 th sound absorbing material 18f, and the 7 th sound absorbing material 18g are added to the skirting board device 8 of embodiment 3.
The 3 rd sound absorbing material 18c is fixed so as to cover the entire surface of the 1 st fixing portion 16a of the 1 st mounting fixture 16 on the outside of the car 2. The 4 th sound absorbing material 18d is fixed so as to cover the entire surface of the 2 nd fixing portion 19a of the 2 nd mounting fixture 19 on the outside of the car 2. The 5 th sound absorbing material 18e is fixed so as to cover the entire lower side of the path changing portion 19b of the 2 nd mounting fixture 19. The 6 th sound absorbing material 18f is fixed so as to cover the entire upper side of the path changing portion 19b of the 2 nd mounting fixture 19. The 7 th sound absorbing material 18g is fixed so as to cover a surface located above the 2 nd mounting element 19, of the surfaces of the decorative portion 17a of the decorative plate 17 located on the outer side of the car 2. The 3 rd, 4 th, 5 th, 6 th and 7 th sound-absorbing materials 18c, 18d, 18e, 18f and 18g are provided so as to be capable of absorbing sound.
According to embodiment 4 described above, the 3 rd sound absorbing material 18c, the 4 th sound absorbing material 18d, the 5 th sound absorbing material 18e, the 6 th sound absorbing material 18f, and the 7 th sound absorbing material 18g are fixed to the surface of the skirting board main body 13 on the outer side of the car 2. Echo between the lower skirting board seat 9 and the skirting board main body 13 and echo between the upper skirting board seat 12 and the skirting board main body 13 can be reduced.
Industrial applicability
As described above, the skirting board device of an elevator according to the present invention can be used in an elevator system.
Description of the reference symbols
1: a hoistway; 2: a car; 3: a car door; 4: a floor; 5: a side wall; 6: a ceiling; 7: a lighting panel; 8: skirting board device, 9: a lower skirting board seat; 9 a: a lower horizontal part; 9 b: a lower hanging part; 10: a clamping member; 11: a spacer; 12: an upper skirting board seat; 12 a: an upper horizontal part; 12 b: an upper vertical portion; 13: a skirting board main body; 14: a bolt; 15: a nut; 16: 1, mounting part; 16 a: 1 st fixed part; 16 b: an insertion portion; 17: a decorative plate; 17 a: a decorative part; 17 b: an abutting portion; 18 a: 1 st sound absorbing material; 18 b: a 2 nd sound absorbing material; 18 c: a 3 rd sound absorbing material; 18 d: a 4 th sound-absorbing material; 18 e: a 5 th sound absorbing material; 18 f: 6 th sound-absorbing material; 18 g: a 7 th sound absorbing material; 19: a 2 nd mounting member; 19 a: a 2 nd fixing part; 19 b: a path changing part.
Claims (6)
1. An elevator skirting device, comprising:
a lower skirting board seat fixed on the floor of the cage;
an upper skirting board seat which is provided above the lower skirting board seat, is fixed to the lower skirting board seat from the inner side of the car in a state where a vertical gap is formed between the upper skirting board seat and the lower skirting board seat, and has a side wall fixed to the upper side of the upper skirting board seat from the inner side of the car; and
and a skirting board main body which forms a gap with the side wall of the car when the skirting board main body is installed on the lower side skirting board seat or the upper side skirting board seat from the inner side of the car, and forms a ventilation path of a labyrinth structure communicating from the outer side of the car to the inner side of the car together with the lower side skirting board seat and the upper side skirting board seat.
2. The skirting device of elevator as claimed in claim 1,
the lower skirting board seat is provided with:
a pair of lower horizontal portions arranged in a vertical direction and forming a horizontal plane; and
a lower vertical portion that forms a vertical surface in a state where the inner sides of the car of the pair of lower horizontal portions are connected,
the upper skirting board seat is provided with:
a pair of upper horizontal portions arranged in a vertical direction and forming a horizontal plane; and
and an upper vertical portion forming a vertical surface in a state where the pair of lower horizontal portions are connected to the outside of the car.
3. The skirting device of elevator as claimed in claim 2,
the skirting board device of the elevator comprises a plurality of spacers, and the spacers are arranged between the lower horizontal part at the upper side of the lower skirting board seat and the upper horizontal part at the lower side of the upper skirting board seat along the horizontal direction.
4. The skirting device of elevator as claimed in claim 2 or 3, wherein,
the elevator skirting board device comprises a plurality of clamping pieces which are arranged in the horizontal direction between the lower horizontal part at the upper side of the lower skirting board seat and the upper horizontal part at the lower side of the upper skirting board seat and are opened towards the inner side of the car,
the skirting board main body is provided with:
a 1 st fixing part forming a vertical plane;
an insertion portion that forms a horizontal surface protruding from the 1 st fixing portion to an outside of the car in a state of being coupled to an upper side of the 1 st fixing portion, and is inserted into the plurality of clips;
a decorative part forming a vertical surface, wherein the 1 st fixing part is fixed on the surface of the decorative part close to the outer side of the car, and the decorative part shields a gap between a lower horizontal part on the upper side of the lower kickplate seat and an upper horizontal part on the lower side of the upper kickplate seat from the inner side of the car when the inserting part is inserted into the plurality of clamping pieces; and
and an abutting portion that forms a horizontal surface protruding from the decorative portion to the outside of the car in a state of being connected to the lower side of the decorative portion, and that abuts against a lower side vertical portion of the lower side kick plate base when the insertion portion is inserted into the plurality of clips.
5. The skirting device of elevator as claimed in claim 4,
the skirting board main body is provided with:
a 2 nd fixing portion fixed to a surface of the decorative portion on the outer side of the car above the 1 st fixing portion; and
and a path changing portion that forms a horizontal surface protruding outward from the 2 nd fixing portion to the car in a state of being coupled to an upper side of the 2 nd fixing portion, and that does not contact the upper vertical portion of the upper kickplate base in a state of being disposed between the pair of upper horizontal portions of the upper kickplate base when the insertion portion is inserted into the plurality of clips.
6. The skirting device of an elevator according to any one of claims 1 to 5, wherein,
the skirting board device of the elevator is provided with a sound absorbing material which is fixed on the surface of the skirting board main body near the outer side of the car and absorbs sound.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2019/018255 WO2020225849A1 (en) | 2019-05-07 | 2019-05-07 | Elevator baseboard device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113748077A true CN113748077A (en) | 2021-12-03 |
| CN113748077B CN113748077B (en) | 2023-05-12 |
Family
ID=73050697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980064829.9A Active CN113748077B (en) | 2019-05-07 | 2019-05-07 | Skirting board device of elevator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7176624B2 (en) |
| CN (1) | CN113748077B (en) |
| WO (1) | WO2020225849A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247739B (en) * | 2021-05-24 | 2023-03-24 | 上海三菱电梯有限公司 | Elevator car wall structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778661A (en) * | 2004-11-18 | 2006-05-31 | 东芝电梯株式会社 | Lower ventilating structure of elevator car |
| JP2011020825A (en) * | 2009-07-17 | 2011-02-03 | Mitsubishi Electric Corp | Elevator car floor |
| CN102653373A (en) * | 2011-03-03 | 2012-09-05 | 株式会社日立制作所 | Elevator car |
| CN104743426A (en) * | 2013-12-25 | 2015-07-01 | 上海三菱电梯有限公司 | Elevator car |
| JP2015155339A (en) * | 2014-02-20 | 2015-08-27 | 株式会社日立製作所 | Elevator equipment and noise reduction method |
| CN206088675U (en) * | 2016-08-16 | 2017-04-12 | 日立电梯(上海)有限公司 | Car ventilation structure |
| JP2018034957A (en) * | 2016-08-31 | 2018-03-08 | 三菱電機ビルテクノサービス株式会社 | Baseboard for wind-up type elevator car |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS485813Y1 (en) * | 1968-08-05 | 1973-02-14 | ||
| JPS5665789A (en) * | 1979-10-31 | 1981-06-03 | Fujitec Kk | Ventilating device for elevator |
| JPS601780U (en) * | 1983-06-15 | 1985-01-08 | 三菱電機株式会社 | Elevator car baseboard |
| JP5130800B2 (en) * | 2007-06-27 | 2013-01-30 | 三菱電機株式会社 | Elevator car room |
| EP3315449A1 (en) * | 2016-10-26 | 2018-05-02 | Otis Elevator Company | Elevator car wall panels |
-
2019
- 2019-05-07 CN CN201980064829.9A patent/CN113748077B/en active Active
- 2019-05-07 JP JP2021518229A patent/JP7176624B2/en active Active
- 2019-05-07 WO PCT/JP2019/018255 patent/WO2020225849A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778661A (en) * | 2004-11-18 | 2006-05-31 | 东芝电梯株式会社 | Lower ventilating structure of elevator car |
| JP2011020825A (en) * | 2009-07-17 | 2011-02-03 | Mitsubishi Electric Corp | Elevator car floor |
| CN102653373A (en) * | 2011-03-03 | 2012-09-05 | 株式会社日立制作所 | Elevator car |
| JP2012180213A (en) * | 2011-03-03 | 2012-09-20 | Hitachi Ltd | Elevator car |
| CN104743426A (en) * | 2013-12-25 | 2015-07-01 | 上海三菱电梯有限公司 | Elevator car |
| JP2015155339A (en) * | 2014-02-20 | 2015-08-27 | 株式会社日立製作所 | Elevator equipment and noise reduction method |
| CN206088675U (en) * | 2016-08-16 | 2017-04-12 | 日立电梯(上海)有限公司 | Car ventilation structure |
| JP2018034957A (en) * | 2016-08-31 | 2018-03-08 | 三菱電機ビルテクノサービス株式会社 | Baseboard for wind-up type elevator car |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2020225849A1 (en) | 2021-10-28 |
| JP7176624B2 (en) | 2022-11-22 |
| CN113748077B (en) | 2023-05-12 |
| WO2020225849A1 (en) | 2020-11-12 |
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