CN113233297A - Anti-falling elevator car - Google Patents
Anti-falling elevator car Download PDFInfo
- Publication number
- CN113233297A CN113233297A CN202110520201.4A CN202110520201A CN113233297A CN 113233297 A CN113233297 A CN 113233297A CN 202110520201 A CN202110520201 A CN 202110520201A CN 113233297 A CN113233297 A CN 113233297A
- Authority
- CN
- China
- Prior art keywords
- car
- sliding
- rack
- rotating shaft
- door
- 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.)
- Granted
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Classifications
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- 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
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/245—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers mechanical
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- 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
- B66B13/06—Door or gate operation of sliding doors
- B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
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- 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
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/28—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between car or cage and wells
- B66B13/285—Toe guards or apron devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses an anti-falling elevator car which comprises a car body, a left car door, a right car door, a car door opening and closing device, a left rack, rear pulleys, a right rack, a sliding groove and a baffle expansion device, wherein the left side of the front end of the car body is vertically and slidably provided with the left car door, the right side of the front end of the car body is vertically and slidably provided with the right car door, the front side of the middle part of the upper end of the car body is provided with the car door opening and closing device, the lower end of the left car door is horizontally and transversely fixed with the left rack, the right side of the rear end of the left rack is horizontally provided with two rear pulleys, and the lower end of the right car door is horizontally fixed with the right rack. The elevator car door has a simple structure, the baffle plates can synchronously extend out when the car door of the elevator is opened to block the gap between the car door and the hoistway door, so that articles of passengers are prevented from falling into the elevator shaft from the gap, and even if the motor fails, the car door can also extend out when being forcibly pried by the passengers, so that the passengers are prevented from falling.
Description
Technical Field
The invention relates to the field of elevator safety, in particular to a falling-proof elevator car.
Background
When the elevator arrives at a designated floor, the elevator can simultaneously open the hoistway door and the car door, passengers and goods can pass through the hoistway door and the car door, a certain gap is formed between the hoistway door and the car door, some articles of the passengers can possibly fall into a pit of an elevator shaft from the gap, the articles are difficult to find back due to the fact that the articles are broken, when the elevator is in an accident, the car stops between two floors, the passengers always try to open the car door to escape, a large gap can exist between the car door and the wall of the elevator shaft, and the passengers fall.
Disclosure of Invention
The invention aims to provide a falling-prevention elevator car to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a prevent elevator car that falls, includes car, left railway carriage or compartment door, right railway carriage or compartment door, railway carriage or compartment door switching device, left rack, rear pulley, right rack, spout, baffle telescoping device, the vertical slidable mounting in car front end left side has left railway carriage or compartment door, and the vertical slidable mounting in car front end right side has right railway carriage or compartment door, railway carriage or compartment door switching device is installed to car upper end middle part front side, left side railway carriage or compartment door lower extreme level transversely is fixed with left rack, and left rack rear end right side horizontal mounting has two rear pulleys, right side railway carriage or compartment door lower extreme level is fixed with right rack, and right rack rear end middle part left side horizontal mounting has two rear pulleys, car front end downside level transversely opens there is the spout, and is a plurality of rear pulley rear end slidable mounting is at the spout front end, car lower extreme middle part horizontal mounting baffle telescoping device.
On the basis of the technical scheme, the compartment door opening and closing device comprises a compartment door slide rail, a mounting plate, pulleys, an extension plate, a driving motor, a lead screw, a lifting sleeve and a connecting rod, wherein the compartment door slide rail is horizontally and transversely mounted on the upper side of the front end of the car, the right side of the upper end of the left compartment door is vertically fixed with the mounting plate, the pulleys are respectively mounted at four corners of the rear end of the mounting plate, the pulleys are vertically mounted at the left side of the upper end of the right compartment door, the pulleys are respectively mounted at four corners of the rear end of the mounting plate, the lower ends of the two pulleys at the upper side of the rear end of the two mounting plates are slidably mounted at the upper end of the compartment door slide rail, the upper ends of the two pulleys at the lower side of the rear end of the two mounting plates are slidably mounted at the lower end of the compartment door slide rail, the right extension plate is horizontally mounted at the front side of the middle part of the upper end of the car, the lead screw is vertically fixed at the upper end of the driving motor, and the lead screw is in threaded connection with the lifting sleeve, the left side and the right side of the lifting sleeve are respectively hinged with a connecting rod, the lower side of the connecting rod on the left side of the lifting sleeve is hinged to the middle part of the upper end of the mounting plate on the upper end of the left compartment door, and the lower side of the connecting rod on the side of the lifting sleeve is hinged to the middle part of the upper end of the mounting plate on the upper end of the right compartment door.
On the basis of the technical scheme, the baffle plate telescopic device comprises bearing seats, bearings, a left rotating shaft, a left gear, a right rotating shaft, a right gear, spiral grooves, a sliding plate, a sliding block, a sliding rod, a baffle plate, a sliding column, a spring and a limiting block, wherein the bearing seats are respectively arranged on the front side and the rear side of the lower end of the lift car, the right bearing is respectively arranged in the middle of each bearing seat, the front side and the rear side of the left rotating shaft are respectively arranged at the inner ends of two bearings on the left side of the lower end of the lift car, the front end of the left rotating shaft is fixedly provided with the left gear, the front side and the rear side of the right rotating shaft are respectively arranged at the inner ends of two bearings on the right side of the lower end of the lift car, the front end of the right rotating shaft is fixedly provided with the right gear, the outer ends of the left rotating shaft and the right rotating shaft are respectively provided with the spiral grooves, the two ends of the left rotating shaft and the sliding block at the left rotating shaft are fixedly provided with the sliding block, and the right rotating shaft is horizontally slidably connected with the sliding block at the right rotating shaft, the slider left end level of slide left end is fixed with the slide bar, and the helicla flute sliding connection of slide right-hand member and left pivot, the slider right-hand member level of slide right-hand member is fixed with the slide bar, and the helicla flute sliding connection of slide left end and right pivot, baffle rear end level is fixed with a plurality of travelers, and is a plurality of the traveler level runs through the slide, and is a plurality of traveler outer end front side, and the baffle front side respectively has cup jointed the spring, and is a plurality of the traveler rear end is fixed with the stopper.
On the basis of the technical scheme, the lower end of the left rack is meshed with the upper end of the left gear, the lower end of the right rack is meshed with the upper end of the right gear, the left compartment door slides leftwards to drive the left rack to move leftwards, the left rack drives the left gear to rotate, the right compartment door slides rightwards to drive the right gear to move rightwards, the right rack drives the right gear to rotate, the left gear drives the left rotating shaft to rotate, the right gear drives the right rotating shaft to rotate, and the left rotating shaft and the right rotating shaft drive the sliding plate to push the baffle plate to move forwards.
Compared with the prior art, the invention has the following advantages: the elevator car door has a simple structure, the baffle plates can synchronously extend out when the car door of the elevator is opened to block the gap between the car door and the hoistway door, so that articles of passengers are prevented from falling into the elevator shaft from the gap, and even if the motor fails, the car door can also extend out when being forcibly pried by the passengers, so that the passengers are prevented from falling.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is an enlarged schematic view of the opening and closing device of the compartment door.
Fig. 3 is a schematic view of the appearance structure of the baffle plate telescopic device of the invention.
Fig. 4 is a schematic view of the appearance structure of the left rack of the present invention.
In the figure: 1. the elevator car comprises a car body, 2, a left car door, 3, a right car door, 4, a car door opening and closing device, 5, a left rack, 6, a rear pulley, 7, a right rack, 101, a sliding groove, 8, a baffle expansion device, 9, a car door sliding rail, 10, a mounting plate, 11, a pulley, 12, an extension plate, 13, a driving motor, 14, a screw rod, 15, a lifting sleeve, 16, a connecting rod, 17, a bearing seat, 18, a bearing, 19, a left rotating shaft, 20, a left gear, 21, a right rotating shaft, 22, a right gear, 23, a spiral groove, 24, a sliding plate, 25, a sliding block, 26, a sliding rod, 27, a baffle, 28, a sliding column, 29, a spring, 30 and a limiting block.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-4, an anti-falling elevator car comprises a car 1, a left car door 2, a right car door 3, a car door opening and closing device 4, a left rack 5, a rear pulley 6, a right rack 7, a chute 101, and a baffle expansion device 8, wherein the left car door 2 is vertically slidably mounted on the left side of the front end of the car 1, the right car door 3 is vertically slidably mounted on the right side of the front end of the car 1, the car door opening and closing device 4 is mounted on the front side of the middle part of the upper end of the car 1, the left rack 5 is horizontally and transversely fixed on the lower end of the left car door 2, two rear pulleys 6 are horizontally mounted on the right side of the rear end of the left rack 5, the right rack 7 is horizontally fixed on the lower end of the right car door 3, the two rear pulleys 6 are horizontally mounted on the left side of the middle part of the rear end of the right rack 7, the chute 101 is horizontally and transversely opened on the lower side of the front end of the car 1, and the rear pulleys 6 are slidably mounted on the front end of the chute 101, and a baffle expansion device 8 is horizontally arranged in the middle of the lower end of the car 1.
The car door opening and closing device 4 comprises a car door slide rail 9, a mounting plate 10, pulleys 11, an extension plate 12, a driving motor 13, a lead screw 14, a lifting sleeve 15 and a connecting rod 16, the car door slide rail 9 is horizontally and transversely mounted on the upper side of the front end of the car 1, the mounting plate 10 is vertically and fixedly mounted on the right side of the upper end of the left car door 2, the pulleys 11 are respectively mounted on the four corners of the rear end of the mounting plate 10, the mounting plate 10 is vertically and fixedly arranged on the left side of the upper end of the right car door 3, the pulleys 11 are respectively mounted on the four corners of the rear end of the mounting plate 10, the lower ends of the two pulleys 11 on the upper side of the rear end of the two mounting plates 10 are slidably mounted on the upper end of the car door slide rail 9, the upper ends of the two pulleys 11 on the lower side of the rear end of the two mounting plates 10 are slidably mounted on the lower end of the car door slide rail 9, the right extension plate 12 is horizontally mounted on the front side of the middle part of the upper end of the car door 1, the driving motor 13 is vertically mounted on the front side of the upper end of the extension plate 12, the upper end of the rotating shaft of the driving motor 13 is vertically and the lead screw 14 is fixed on the car door slide rail, and the screw 14 upside threaded connection has a lift cover 15, the both sides respectively articulate there is connecting rod 16 about lift cover 15, the connecting rod 16 downside on the left side of lift cover 15 articulates in the middle part of the mounting panel 10 upper end of left railway carriage or compartment door 2, and the connecting rod 16 downside that lift cover 15 has the side articulates in the middle part of the mounting panel 10 upper end of right railway carriage or compartment door 3 upper end.
The baffle telescoping device 8 comprises a bearing seat 17, a bearing 18, a left rotating shaft 19, a left gear 20, a right rotating shaft 21, a right gear 22, a spiral groove 23, a sliding plate 24, a sliding block 25, a sliding rod 26, a baffle 27, a sliding column 28, a spring 29 and a limiting block 30, the bearing seat 17 is respectively installed on the front side and the rear side of the lower end of the car 1, the right bearing 18 is respectively installed in the middle of the bearing seat 17, the inner ends of the two bearings 18 on the left side of the lower end of the car 1 are respectively installed on the front side and the rear side of the left rotating shaft 19, the left gear 20 is fixed on the front end of the left rotating shaft 19, the inner ends of the two bearings 18 on the right side of the lower end of the car 1 are respectively installed on the front side and the rear side of the right rotating shaft 21, the right gear 22 is fixed on the front end of the right rotating shaft 21, the spiral grooves 23 are respectively opened on the outer ends of the left rotating shaft 19 and the right rotating shaft 21, the two ends of the left end of the sliding plate 24 are fixed with the sliding block 25, the sliding block 25 on the left rotating shaft 19 is horizontally and slidably connected with the left rotating shaft 19, and the slider 25 and the right-hand member 21 horizontal sliding connection of slide 24 right-hand member, slide bar 26 is fixed with in the slider 25 left end horizontal of slide 24 left end, and slide bar 26 right-hand member and the helicla flute 23 sliding connection of the axle 19 of turning left, slide bar 26 is fixed with slide bar 26 in the slider 25 right-hand member horizontal of slide 26 right-hand member, and slide bar 26 left end and the helicla flute 23 sliding connection of the axle 21 of turning right, baffle 27 rear end horizontal is fixed with a plurality of travelers 28, and is a plurality of travelers 28 level runs through slide 24, and is a plurality of travelers 28 outer end front side, and baffle 24 front side respectively cup joints spring 29, and is a plurality of travelers 28 rear end is fixed with spacing piece 30.
The left side rack 5 lower extreme meshes with left gear 20 upper end, and right rack 7 lower extreme meshes with right gear 22 upper end, left side railway carriage or compartment door 2 slides left and drives left rack 5 and remove left, and left rack 5 drives left gear 20 and rotates, right side railway carriage or compartment door 3 slides right and drives right gear 7 and remove right, and right rack 7 drives right gear 22 and rotates, left gear 20 drives the pivot of left pivot 19 and rotates, and right gear 20 drives the rotation of right pivot 21, left pivot 19 and the rotation of right pivot 21 drive slide 24 and promote baffle 27 and move forward.
The working principle of the invention is as follows: the driving motor 13 rotates to make the lifting sleeve 15 move vertically downwards, the connecting rod 16 on the left side of the lifting sleeve 15 pushes the mounting plate 10 on the upper end of the left door 2 to slide leftwards along the door slide rail 9 through the plurality of pulleys 11, thereby driving the left door 2 to slide leftwards, meanwhile, the connecting rod 16 on the right side of the lifting sleeve 15 pushes the mounting plate 10 on the upper end of the right door 3 to slide rightwards along the door slide rail 9 through the plurality of pulleys 11, thereby driving the right door 3 to slide leftwards, the left door 2 moves leftwards, thereby making the rear pulley 6 at the rear end of the left rack 5 slide leftwards along the chute 101, the right door 3 moves rightwards, thereby making the rear pulley 6 at the rear end of the right rack 7 slide rightwards along the chute 101, the left rack 5 slides leftwards, thereby driving the left gear 20 to rotate anticlockwise, thereby making the left rotating shaft 19 rotate anticlockwise, the right rack 7 slides rightwards, thereby driving the right gear 22 to rotate clockwise, thereby making the right rotating shaft 21 rotate anticlockwise, the sliding rods 26 of the two sliding blocks 25 slide forwards synchronously along the spiral grooves 23 of the left rotating shaft 19 and the spiral grooves 23 of the right rotating shaft 21 respectively, so that the sliding plate 24 slides forwards, the sliding plate 24 pushes the baffle 27 to move forwards through a plurality of springs 29, and the springs 29 play a certain buffering role to adapt to gaps with different widths.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (4)
1. The utility model provides a prevent elevator car that falls, includes car (1), left railway carriage or compartment door (2), right railway carriage or compartment door (3), railway carriage or compartment door switching device (4), left rack (5), back pulley (6), right rack (7), spout (101), baffle telescoping device (8), its characterized in that: the elevator car is characterized in that a left compartment door (2) is vertically slidably mounted on the left side of the front end of the car (1), a right compartment door (3) is vertically slidably mounted on the right side of the front end of the car (1), a compartment door switch device (4) is mounted on the front side of the middle of the upper end of the car (1), a left rack (5) is transversely fixed to the lower end of the left compartment door (2), two rear pulleys (6) are horizontally mounted on the right side of the rear end of the left rack (5), a right rack (7) is horizontally fixed to the lower end of the right compartment door (3), two rear pulleys (6) are horizontally mounted on the left side of the middle of the rear end of the right rack (7), a sliding groove (101) is transversely formed in the lower side of the front end of the car (1), and the rear pulleys (6) are slidably mounted at the front end of the sliding groove (101), and a baffle expansion device (8) is horizontally mounted at the middle of the lower end of the car (1).
2. A fall arrest elevator car as claimed in claim 1, wherein: the car door opening and closing device (4) comprises a car door slide rail (9), a mounting plate (10), pulleys (11), an extension plate (12), a driving motor (13), a screw rod (14), a lifting sleeve (15) and a connecting rod (16), the car door slide rail (9) is horizontally and transversely mounted on the upper side of the front end of the car (1), the mounting plate (10) is vertically and fixedly arranged on the right side of the upper end of the left car door (2), the pulleys (11) are respectively mounted on the four corners of the rear end of the mounting plate (10), the mounting plate (10) is vertically and fixedly arranged on the left side of the upper end of the right car door (3), the pulleys (11) are respectively mounted on the four corners of the rear end of the mounting plate (10), the lower ends of the two pulleys (11) on the upper sides of the rear ends of the two mounting plates (10) are slidably mounted on the upper end of the car door slide rail (9), and the upper ends of the two pulleys (11) on the lower side of the rear ends of the two mounting plates (10) are slidably mounted on the lower end of the car door slide rail (9), car (1) upper end middle part front side horizontal installation right extension board (12), and extension board (12) upper end front side is vertical installs driving motor (13), the vertical lead screw (14) that is fixed with in pivot upper end of driving motor (13), and lead screw (14) upside threaded connection have lift cover (15), lift cover (15) each articulated connecting rod (16) that have the left side of the cover (15) left and right sides, lift cover (15) left connecting rod (16) downside articulates at mounting panel (10) upper end middle part of left railway carriage or compartment door (2), and lift cover (15) have connecting rod (16) downside of side to articulate mounting panel (10) upper end middle part of right railway carriage or compartment door (3).
3. A fall arrest elevator car as claimed in claim 1, wherein: the baffle plate telescopic device (8) comprises bearing seats (17), bearings (18), a left rotating shaft (19), a left gear (20), a right rotating shaft (21), a right gear (22), spiral grooves (23), sliding plates (24), sliding blocks (25), sliding rods (26), baffles (27), sliding columns (28), springs (29) and limiting blocks (30), wherein the bearing seats (17) are respectively installed on the left side and the right side of the front and back sides of the lower end of the car (1), the right bearings (18) are respectively installed in the middle of the bearing seats (17), the front side and the back side of the left rotating shaft (19) are respectively installed on the inner ends of the two bearings (18) on the left side of the lower end of the car (1), the left gear (20) is fixed to the front end of the left rotating shaft (19), the front side and the back side of the right rotating shaft (21) are respectively installed on the inner ends of the two bearings (18) on the right side of the lower end of the car (1), and the right rotating shaft (21) is fixed with the right gear (22), the outer ends of the left rotating shaft (19) and the right rotating shaft (21) are respectively provided with a spiral groove (23), the two ends of the left end of the sliding plate (24) are fixed with a sliding block (25), the sliding block (25) at the left end of the sliding plate (24) is horizontally and slidably connected with the left rotating shaft (19), the sliding block (25) at the right end of the sliding plate (24) is horizontally and slidably connected with the right rotating shaft (21), the left end of the sliding block (25) at the left end of the sliding plate (24) is horizontally and fixedly provided with a sliding rod (26), the right end of the sliding rod (26) is slidably connected with the spiral groove (23) of the left rotating shaft (19), the rear end of the baffle plate (27) is horizontally and fixedly provided with a plurality of sliding columns (28), and the plurality of sliding columns (28) horizontally penetrate through the sliding plate (24), a plurality of the front side of the outer end of the sliding column (28), the front side of the baffle (24) is sleeved with a spring (29), and a limiting block (30) is fixed at the rear end of the sliding column (28).
4. A fall arrest elevator car as claimed in claim 1 or 3, wherein: left side rack (5) lower extreme and left gear (20) upper end meshing, and right rack (7) lower extreme and right gear (22) upper end meshing, left side railway carriage or compartment door (2) slides left and drives left rack (5) and move left, and left rack (5) drive left gear (20) and rotate, right side railway carriage or compartment door (3) slides right and drives right gear (7) and move right, and right rack (7) drive right gear (22) and rotate, left side gear (20) drive left pivot (19) pivot and rotate, and right gear (20) drive right pivot (21) and rotate, left side pivot (19) and right pivot (21) rotate and drive slide (24) and promote baffle (27) and move forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110520201.4A CN113233297B (en) | 2021-05-13 | 2021-05-13 | Fall-preventing elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110520201.4A CN113233297B (en) | 2021-05-13 | 2021-05-13 | Fall-preventing elevator car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113233297A true CN113233297A (en) | 2021-08-10 |
| CN113233297B CN113233297B (en) | 2023-07-18 |
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ID=77133869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110520201.4A Active CN113233297B (en) | 2021-05-13 | 2021-05-13 | Fall-preventing elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113233297B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114376695A (en) * | 2022-01-17 | 2022-04-22 | 于小钧 | Centrum positioner that punches |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08143255A (en) * | 1994-11-22 | 1996-06-04 | Mitsubishi Denki Bill Techno Service Kk | Threshold clearance closing device for elevator |
| CN106629357A (en) * | 2016-11-25 | 2017-05-10 | 福德斯电梯有限公司 | Safe elevator |
| KR101939229B1 (en) * | 2018-07-25 | 2019-04-11 | 전흥미 | Hoist |
| CN212832297U (en) * | 2020-06-25 | 2021-03-30 | 宁夏京澳电梯有限公司 | Guide rail for opening and closing door of elevator |
| CN213085151U (en) * | 2020-09-10 | 2021-04-30 | 安徽富控电梯有限公司 | Elevator door opening and closing damping anti-collision structure |
-
2021
- 2021-05-13 CN CN202110520201.4A patent/CN113233297B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08143255A (en) * | 1994-11-22 | 1996-06-04 | Mitsubishi Denki Bill Techno Service Kk | Threshold clearance closing device for elevator |
| CN106629357A (en) * | 2016-11-25 | 2017-05-10 | 福德斯电梯有限公司 | Safe elevator |
| KR101939229B1 (en) * | 2018-07-25 | 2019-04-11 | 전흥미 | Hoist |
| CN212832297U (en) * | 2020-06-25 | 2021-03-30 | 宁夏京澳电梯有限公司 | Guide rail for opening and closing door of elevator |
| CN213085151U (en) * | 2020-09-10 | 2021-04-30 | 安徽富控电梯有限公司 | Elevator door opening and closing damping anti-collision structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114376695A (en) * | 2022-01-17 | 2022-04-22 | 于小钧 | Centrum positioner that punches |
| CN114376695B (en) * | 2022-01-17 | 2024-01-12 | 西安市红会医院 | Centrum positioner that punches |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113233297B (en) | 2023-07-18 |
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