CN108861984A - A kind of elevator door - Google Patents
A kind of elevator door Download PDFInfo
- Publication number
- CN108861984A CN108861984A CN201810986699.1A CN201810986699A CN108861984A CN 108861984 A CN108861984 A CN 108861984A CN 201810986699 A CN201810986699 A CN 201810986699A CN 108861984 A CN108861984 A CN 108861984A
- Authority
- CN
- China
- Prior art keywords
- power
- screw rod
- supporting part
- door
- power mobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 229920003266 Leaf® Polymers 0.000 description 30
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/04—Door or gate operation of swinging doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of elevator doors, including upper supporting part and lower supporting part, axis is connected with door leaf between the upper supporting part and lower supporting part, the door leaf and push rod shaft connect, the push rod also connects with power mobile portion axis, the power mobile portion is connect with Power Component, and Power Component driving power mobile portion is mobile to drive the opening and closing of push rod sliding door leaf.The present invention, which solves small hoistway elevator, cannot do the defect of automatically-controlled door, improve the safety of elevator operation to greatest extent.
Description
Technical field
The present invention relates to elevators fields, and in particular to a kind of elevator door.
Background technique
Elevator is that people are often used, back and forth the tool between each floor, bringing great convenience property of elevator, and
Skyscraper and super high-rise building are indispensable.
Due to the promotion of people's quality of life, installation elevator is more common in villa, is come with domestic villa elevator yield
It measures, 2016 are 14000, and 2017 are 23600, it is contemplated that 2018 will be more than 35000 villa elevators.
Elevator door in villa elevator be it is indispensable, in villa elevator it is correct definition be home lift.It is mounted on private
In people's house, the elevator only used for single kinsfolk, villa elevator is generally merely able to accommodate 3-4 people.It can also be installed
In the building that non-single family uses, the tool in its residence is entered as single family.
Due to the factor of villa elevator installation environment, there is more limitation, wherein main problem is in villa
Installation space is small, does not have abundant space, therefore is merely able to be transformed villa elevator under the premise that security is guaranteed；Its
One of middle transformation point is exactly elevator door, and existing elevator door has twice, and after transformation, the elevator door of villa elevator is set as one
Road, and be fixed in floor；Existing elevator door open-close ways can not use in small installation space, therefore existing
The elevator door unfolding mode of villa elevator is required to manually open and close.
Since the personnel that villa elevator uses are in the majority for some the elderlys and handicapped crowd.It is needed in these crowds
The very high lift product of automation is provided and just meets requirement, and also there is security risk in the case where operation error.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of elevator doors, and automatically-controlled door cannot be done by solving small hoistway elevator
Defect improves the safety of elevator operation to greatest extent.
In order to solve the above-mentioned technical problems, the present invention provides a kind of elevator door, including upper supporting part and lower supporting part, institutes
State axis between supporting part and lower supporting part and be connected with door leaf, the door leaf and push rod shaft connect, the push rod also with power mobile portion
Axis connects, and the power mobile portion is connect with Power Component, and Power Component driving power mobile portion is mobile to drive push rod push-and-pull
Door leaf opening and closing.
Further, the quantity of the door leaf is 2, and is symmetrical arranged, two power mobile portions connecting with two door leafs
It is arranged on the same Power Component, the Power Component drives two power mobile portions synchronous and relatively moves.
Further, the Power Component includes positive and negative tooth screw rod, two power mobile portions respectively with positive and negative tooth screw rod
Orthodontic and anti-pitch thread are cooperatively connected, and the positive and negative tooth screw rod is fixed on upper supporting part by bearing block, the positive and negative tooth silk
Bar one end is connected to motor by driving belt component or drive train components, the driving belt component or drive train components with rise
Power device is cooperatively connected, and the force expander is used for driving belt component or drive train components tensioner；Two power mobile portions are logical
Cross sliding block setting on the slide rail.
Further, the Power Component includes positive and negative tooth screw rod, two power mobile portions respectively with positive and negative tooth screw rod
Orthodontic and anti-pitch thread are cooperatively connected, and the positive and negative tooth screw rod is fixed on upper supporting part by bearing block, the positive and negative tooth silk
Be connected to motor by driving belt component or drive train components in the middle part of bar, the driving belt component or drive train components with rise
Power device is cooperatively connected, and the force expander is used for driving belt component or drive train components tensioner；Two power mobile portions are logical
Cross sliding block setting on the slide rail.
Further, the Power Component includes motor for double-ended drive, two projecting shafts of the motor for double-ended drive respectively with
Orthodontic screw rod is connected with anti-tooth screw rod, and two power mobile portions are cooperatively connected with orthodontic screw rod and anti-tooth wire rod thread respectively, institute
It states orthodontic screw rod and anti-tooth screw rod passes through bearing block and is fixed on supporting part, two power mobile portions are arranged by sliding block
On the slide rail.
Further, the Power Component includes driving belt component or drive train components, the driving belt component or
Drive train components are arranged on upper supporting part by driving wheel and driven wheel, and the driving wheel is connected to motor, and two power move
Dynamic portion is arranged on upper supporting part by guidance set, and fixing clamp is provided in two power mobile portions, and the fixing clamp is used
It is fixed in driving belt component or drive train components.
Further, the first limit switch, two the first limit switch cooperation inspections are provided in two power mobile portions
A position is closed in survey, and gear plate is additionally provided in one of power mobile portion, the second limit is provided on the upper supporting part and opens
It closes, the gear plate and the second limit switch cooperation detection opening position.
Further, be provided with door-hinge and lower door-hinge on the door leaf, the upper door-hinge and lower door-hinge it is corresponding on hold
Bearing fixed seat is provided on load portion and lower supporting part.
Further, described push rod one end and first rotating shaft axis connect, and the first rotating shaft is arranged in mounting base, the peace
Dress seat is fixed on door leaf by screw, and the push rod other end and the second shaft axis connect, and the second shaft fixation is set
It sets in power mobile portion.
Beneficial effects of the present invention：
Elevator door automatic open-close structure of the invention has filled up industry blank, and small hoistway elevator is made into automatically
Door.
Transmission component using push rod as opening and closing door leaf has speed fast, and the feature that structure is small, for narrow sky
Interior design provides reliable and stable effect.
The door leaf of automatic shutter can improve security performance by the setting of sensor, more compared with the door leaf than being opened and closed manually
For safety, user experience impression is also effectively improved.
Detailed description of the invention
Fig. 1 is combining structure schematic diagram of the invention；
Fig. 2 is running part schematic diagram of the invention；
Fig. 3 is two-door fan structure schematic diagram of the invention；
Fig. 4 is schematic diagram when the two-door fan of the present invention is closed between push rod；
Fig. 5 is schematic diagram when the two-door fan of the present invention is opened between push rod；
Fig. 6 is the first transmission form schematic diagram of the present invention；
Fig. 7 is second of transmission form schematic diagram of the invention；
Fig. 8 is the third transmission form schematic diagram of the present invention；
Fig. 9 is the 4th kind of transmission form schematic diagram of the invention.
Figure label explanation：1, upper supporting part, 2, lower supporting part, 3, door leaf, 4, push rod, 5, power mobile portion, 6, power
Component, 61, positive and negative tooth screw rod, 7, bearing block, 8, driving belt component, 9, motor, 10, force expander, 11, sliding rail, 12, Double shaft-extension
Motor, 13, orthodontic screw rod, 14, anti-tooth screw rod, 15, driving wheel, 16, driven wheel, 17, guidance set, 18, fixing clamp, 19,
One limit switch, 20, gear plate, the 21, second limit switch, 22, upper door-hinge, 23, lower door-hinge, 24, bearing fixed seat, 25,
One shaft, 26, mounting base, the 27, second shaft.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Shown in referring to Fig.1, an embodiment of elevator door of the invention, including upper supporting part 1 and lower supporting part 2, upper carrying
Axis is connected with door leaf 3 between portion and lower supporting part, and the opening and closing of door leaf is to rotate to realize along axial connection position；And automatic shutter then needs to borrow
External force is helped, is connected first by door leaf and 4 axis of push rod, push rod and 5 axis of power mobile portion connect, and power mobile portion is connect with Power Component 6,
Power Component drives power mobile portion mobile, power mobile portion when moving, due to being pushed away between door leaf there are fixed-size
Bar, therefore it is able to drive push rod movement, push rod is limited by two axial connection positions again, therefore can be dynamic when mobile by power mobile portion
Power is converted into thrust or pulling force, realizes sliding door leaf opening and closing.
Above-mentioned door leaf axis connection structure includes the upper door-hinge 22 being arranged on door leaf and lower door-hinge 23, upper door-hinge and lower door-hinge
Bearing fixed seat 24 is provided on corresponding upper supporting part and lower supporting part, upper door-hinge and lower door-hinge are plugged in corresponding bearing
It positions and can be rotated in fixing seat.
Referring to shown in Fig. 2, above-mentioned push rod one end and 25 axis of first rotating shaft connect, and first rotating shaft is arranged in mounting base 26, peace
Dress seat is fixed on door leaf by screw, and installation site is reliable, can be realized the effect of installation, the push rod other end and second
27 axis of shaft connects, and the second shaft is fixed in power mobile portion, and overall package connection is convenient, and preparation cost is low, convenient for pushing away
It is wide to use.
Referring to shown in Fig. 3 to Fig. 5, in one embodiment, the quantity of door leaf is 2, and is symmetrical arranged, and is connect with two door leafs
Two power mobile portions be arranged on the same Power Component, Power Component drives two power mobile portions synchronous and opposite moves
It is dynamic.One Power Component driving can guarantee the synchronization in power mobile portion and relative movement effect, can realize two simultaneously
The synchronous of door leaf is opened or is closed, and certain two push rods therein are also symmetrically arranged；Two door leafs are opened and closed simultaneously can
Occupied area when door leaf opens the door is further decreased, elevator door open area demand is reduced, improves property easy to use and comfortable
Degree.
In door leaf closure, push rod is to have angle between door leaf top margin in the horizontal plane, mobile in power mobile portion
When, power can be transmitted from push rod along corner cut direction, door leaf can be opened, structural representation such as Fig. 4 when closure
It is shown, after power mobile portion is mobile, push rod can be pushed to push force towards with the fulcrum of door leaf axis even, since door leaf is axis
It is connected with and sets, and the force of push rod is in direction tangential, therefore door leaf can be opened, such as Fig. 5 of the structural representation after opening institute
Show；
Referring to shown in Fig. 6, in one embodiment, Power Component includes positive and negative tooth screw rod 61, two power mobile portion difference
It is cooperatively connected with the orthodontic of positive and negative tooth screw rod and anti-pitch thread, positive and negative tooth screw rod is fixed on supporting part by bearing block 7, just
Anti- tooth screw rod one end is connect by driving belt component 8 or drive train components with motor 9, driving belt component or drive train components
It is cooperatively connected with force expander 10, force expander is used for driving belt component or drive train components tensioner；Two power mobile portions are equal
It is arranged on sliding rail 11 by sliding block, stability when improving mobile.Positive and negative tooth screw rod can limit two power mobile portions
Synchronous effect when moving direction and movement.Rotation is driven by motor in positive and negative tooth screw rod, after rotation, by being threadedly engaged so that two
A power mobile portion is synchronous with anti-tooth surface in the orthodontic of positive and negative tooth screw rod and relatively moves, and achievees the effect that driving push rod.Its
Middle driving belt component or drive train components are connect with positive and negative tooth screw rod one end, so that motor provides drive in positive and negative tooth screw rod one end
Power is moved, the area space of supporting part surface side in occupancy.
Referring to shown in Fig. 7, in one embodiment, Power Component includes positive and negative tooth screw rod 61, two power mobile portion difference
It is cooperatively connected with the orthodontic of positive and negative tooth screw rod and anti-pitch thread, positive and negative tooth screw rod is fixed on supporting part by bearing block 7, just
It is connect by driving belt component 8 or drive train components with motor 9 in the middle part of anti-tooth screw rod, driving belt component or drive train components
It is cooperatively connected with force expander 10, force expander is used for driving belt component or drive train components tensioner；Two power mobile portions are equal
It is arranged on sliding rail 11 by sliding block, stability when improving mobile.Positive and negative tooth screw rod can limit two power mobile portions
Synchronous effect when moving direction and movement.Rotation is driven by motor in positive and negative tooth screw rod, after rotation, by being threadedly engaged so that two
A power mobile portion is synchronous with anti-tooth surface in the orthodontic of positive and negative tooth screw rod and relatively moves, and achievees the effect that driving push rod.Its
It is connect in the middle part of middle driving belt component or drive train components and positive and negative tooth screw rod, so that motor provides drive in the middle part of positive and negative tooth screw rod
Move power, the area space in occupancy among supporting part surface.
Referring to shown in Fig. 8, in one embodiment, Power Component includes motor for double-ended drive 12, and two of motor for double-ended drive stretch
Shaft is connect with orthodontic screw rod 13 and anti-tooth screw rod 14 respectively, two power mobile portions respectively with orthodontic screw rod and anti-tooth screw rod spiral shell
Line is cooperatively connected, and orthodontic screw rod and anti-tooth screw rod pass through bearing block and be fixed on supporting part, and two power mobile portions are logical
It crosses sliding block to be arranged on sliding rail 11, stability when improving mobile.Motor for double-ended drive can directly drive orthodontic screw rod and anti-tooth
Screw rod is rotated towards the same direction, to drive two power mobile portions synchronous on anti-tooth screw rod in orthodontic screw rod and opposite shifting
It is dynamic, achieve the effect that driving push rod, output is direct, and area occupied is small, further increases space utilization rate, convenient for smaller
It is used in installation space.
Referring to shown in Fig. 9, in one embodiment, Power Component includes driving belt component 8 or drive train components, is driven skin
Band component or drive train components are arranged on upper supporting part by driving wheel 15 and driven wheel 16, and driving wheel and driven wheel will be driven
Belt component or drive train components strut, and driving wheel is connect with motor 9, and motor rotation is able to drive driving wheel rotation, to make
It obtains driving belt component or drive train components rotation, two power mobile portions is arranged on upper supporting part by guidance set 17,
Fixing clamp 18 is provided in two power mobile portions, fixing clamp is used to fix with driving belt component or drive train components, when
When driving belt component or drive train components rotate, two fixing clamp relative motions are able to drive, to realize that two power move
The relative motion in dynamic portion, overall cost are low.
In above-mentioned multiple embodiments, it is provided with the first limit switch 19 in two power mobile portions, two first
A position is closed in limit switch cooperation detection, and gear plate 20 is additionally provided in one of power mobile portion, is arranged on upper supporting part
There are the second limit switch 21, gear plate and the second limit switch cooperation detection opening position, thus accurately positioning opening and closing angle,
Improve security performance.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of elevator door, which is characterized in that including upper supporting part and lower supporting part, between the upper supporting part and lower supporting part
Axis is connected with door leaf, and the door leaf and push rod shaft connect, and the push rod also connects with power mobile portion axis, the power mobile portion and power
Component connection, Power Component driving power mobile portion is mobile to drive the opening and closing of push rod sliding door leaf.
2. elevator door as described in claim 1, which is characterized in that the quantity of the door leaf is 2, and is symmetrical arranged, with two
Two power mobile portions of door leaf connection are arranged on the same Power Component, and the Power Component drives two power mobile portions
Synchronous and relative movement.
3. elevator door as claimed in claim 2, which is characterized in that the Power Component includes positive and negative tooth screw rod, two power
Moving portion is cooperatively connected with the orthodontic of positive and negative tooth screw rod and anti-pitch thread respectively, and the positive and negative tooth screw rod is fixed on by bearing block
On upper supporting part, described positive and negative tooth screw rod one end is connected to motor by driving belt component or drive train components, the transmission
Belt component or drive train components and force expander are cooperatively connected, and the force expander is used for driving belt component or drive train components
Tensioner；Two power mobile portions are arranged on the slide rail by sliding block.
4. elevator door as claimed in claim 2, which is characterized in that the Power Component includes positive and negative tooth screw rod, two power
Moving portion is cooperatively connected with the orthodontic of positive and negative tooth screw rod and anti-pitch thread respectively, and the positive and negative tooth screw rod is fixed on by bearing block
On upper supporting part, it is connected to motor in the middle part of the positive and negative tooth screw rod by driving belt component or drive train components, the transmission
Belt component or drive train components and force expander are cooperatively connected, and the force expander is used for driving belt component or drive train components
Tensioner；Two power mobile portions are arranged on the slide rail by sliding block.
5. elevator door as claimed in claim 2, which is characterized in that the Power Component includes motor for double-ended drive, the twin shaft
Two projecting shafts for stretching motor are connect with orthodontic screw rod and anti-tooth screw rod respectively, two power mobile portions respectively with orthodontic screw rod and
Anti- tooth wire rod thread is cooperatively connected, and the orthodontic screw rod and anti-tooth screw rod pass through bearing block and be fixed on supporting part, and two
Power mobile portion is arranged on the slide rail by sliding block.
6. elevator door as claimed in claim 2, which is characterized in that the Power Component includes driving belt component or transmission chain
Component, the driving belt component or drive train components are arranged on upper supporting part by driving wheel and driven wheel, the active
Wheel is connected to motor, and two power mobile portions are arranged on upper supporting part by guidance set, is all provided in two power mobile portions
It is equipped with fixing clamp, the fixing clamp with driving belt component or drive train components for fixing.
7. the elevator door as described in claim 2-6 any one, which is characterized in that be provided in two power mobile portions
One limit switch, two the first limit switch cooperation detections close a position, are additionally provided with gear in one of power mobile portion
Plate is provided with the second limit switch, the gear plate and the second limit switch cooperation detection opening position on the upper supporting part.
8. elevator door as claimed in any one of claims 1 to 6, which is characterized in that be provided with door-hinge on the door leaf under
Bearing fixed seat is provided on door-hinge, the upper door-hinge and the corresponding upper supporting part of lower door-hinge and lower supporting part.
9. elevator door as claimed in any one of claims 1 to 6, which is characterized in that described push rod one end and first rotating shaft axis
Even, the first rotating shaft is arranged in mounting base, and the mounting base is fixed on door leaf by screw, and the push rod is another
End connects with the second shaft axis, and second shaft is fixed in power mobile portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986699.1A CN108861984A (en) | 2018-08-28 | 2018-08-28 | A kind of elevator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986699.1A CN108861984A (en) | 2018-08-28 | 2018-08-28 | A kind of elevator door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108861984A true CN108861984A (en) | 2018-11-23 |
Family
ID=64321932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986699.1A Pending CN108861984A (en) | 2018-08-28 | 2018-08-28 | A kind of elevator door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108861984A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803603A (en) * | 2019-11-22 | 2020-02-18 | 山东富士制御电梯有限公司 | Ball screw pair transmission type elevator door motor |
| CN111579216A (en) * | 2020-04-08 | 2020-08-25 | 电子科技大学 | Improved sample clamp structure for laser calorimetric optical element absorption loss testing device |
| CN112850434A (en) * | 2021-01-29 | 2021-05-28 | 日立电梯（中国）有限公司 | Novel safety elevator |
| CN113233295A (en) * | 2021-03-09 | 2021-08-10 | 邓健 | Sedan-chair door switching control mechanism, room door switching control mechanism and door system |
| US11780710B1 (en) * | 2022-03-28 | 2023-10-10 | Atlas Elevator Components, Inc. | Elevator door interlock assembly |
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| SU612887A1 (en) * | 1976-10-22 | 1978-06-30 | Центральное проектно-конструкторское бюро по лифтам | Lift cage sliding door drive |
| JPH112063A (en) * | 1997-06-12 | 1999-01-06 | Misawa Homes Co Ltd | Door opening/closing mechanism |
| FR2783275A1 (en) * | 1998-09-14 | 2000-03-17 | Jean Pierre Gouraud | Automatic opening and closing mechanism for door flap, includes indexing peg engaging cam track with cam having reduction motor |
| JP2001253669A (en) * | 2000-03-08 | 2001-09-18 | Hitachi Ltd | Elevator |
| EP1609754A2 (en) * | 2004-06-24 | 2005-12-28 | Lifting Italia S.r.l. | An apparatus for actuating wing opening doors for lifts or elevators |
| CN200961079Y (en) * | 2006-10-30 | 2007-10-17 | 广州日立电梯有限公司 | Elevator cabin door |
| CN208829081U (en) * | 2018-08-28 | 2019-05-07 | 昆山德标机电有限公司 | A kind of elevator door |
-
2018
- 2018-08-28 CN CN201810986699.1A patent/CN108861984A/en active Pending
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| SU612887A1 (en) * | 1976-10-22 | 1978-06-30 | Центральное проектно-конструкторское бюро по лифтам | Lift cage sliding door drive |
| JPH112063A (en) * | 1997-06-12 | 1999-01-06 | Misawa Homes Co Ltd | Door opening/closing mechanism |
| FR2783275A1 (en) * | 1998-09-14 | 2000-03-17 | Jean Pierre Gouraud | Automatic opening and closing mechanism for door flap, includes indexing peg engaging cam track with cam having reduction motor |
| JP2001253669A (en) * | 2000-03-08 | 2001-09-18 | Hitachi Ltd | Elevator |
| EP1609754A2 (en) * | 2004-06-24 | 2005-12-28 | Lifting Italia S.r.l. | An apparatus for actuating wing opening doors for lifts or elevators |
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| Title |
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| 陈路兴主编；袁建锋，黄福强副主编: "《电梯维修与保养》", 华南理工大学出版社, pages: 137 - 139 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803603A (en) * | 2019-11-22 | 2020-02-18 | 山东富士制御电梯有限公司 | Ball screw pair transmission type elevator door motor |
| CN111579216A (en) * | 2020-04-08 | 2020-08-25 | 电子科技大学 | Improved sample clamp structure for laser calorimetric optical element absorption loss testing device |
| CN112850434A (en) * | 2021-01-29 | 2021-05-28 | 日立电梯（中国）有限公司 | Novel safety elevator |
| CN112850434B (en) * | 2021-01-29 | 2023-08-08 | 日立电梯（中国）有限公司 | Safety elevator |
| CN113233295A (en) * | 2021-03-09 | 2021-08-10 | 邓健 | Sedan-chair door switching control mechanism, room door switching control mechanism and door system |
| CN113233295B (en) * | 2021-03-09 | 2024-01-26 | 邓健 | Car door opening and closing control mechanism, hall door opening and closing control mechanism and door system |
| US11780710B1 (en) * | 2022-03-28 | 2023-10-10 | Atlas Elevator Components, Inc. | Elevator door interlock assembly |
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