CN111439660A - High-safety elevator door vane system with limiting device - Google Patents

High-safety elevator door vane system with limiting device Download PDF

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Publication number
CN111439660A
CN111439660A CN202010499909.1A CN202010499909A CN111439660A CN 111439660 A CN111439660 A CN 111439660A CN 202010499909 A CN202010499909 A CN 202010499909A CN 111439660 A CN111439660 A CN 111439660A
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CN
China
Prior art keywords
frame
plate
clamping
mounting
column
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
Application number
CN202010499909.1A
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Chinese (zh)
Inventor
曹文胤
曹阳
吕娟
刘小荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Zhongyao Draka Elevator Product Co ltd
Original Assignee
Nantong Zhongyao Draka Elevator Product Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Zhongyao Draka Elevator Product Co ltd filed Critical Nantong Zhongyao Draka Elevator Product Co ltd
Priority to CN202010499909.1A priority Critical patent/CN111439660A/en
Publication of CN111439660A publication Critical patent/CN111439660A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02Door or gate operation

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  • Elevator Door Apparatuses (AREA)

Abstract

The invention relates to a high-safety elevator door knife system with a limiting device, which comprises a mounting frame, a blocking frame and a fixed hole, wherein one side of the outside of the mounting frame is connected with a positioning bolt, the top end of the mounting frame is provided with a connecting plate, the middle of the mounting frame is provided with a clamping plate, the top end of the clamping plate is provided with a buckling hole, one side of the clamping plate is connected with a rotating column, the bottom end of the rotating column is provided with a limiting plate, the bottom end of the inside of the limiting plate is connected with a bolt column, one side of the bottom end of the limiting plate is provided with a cross rod, one side of the top end of the cross rod is provided with a packaging frame: make the protection frame pass through tie plate and screw post buckle between centre gripping limit frame, effectually settle tie plate and screw post protection between the mounting bracket, can carry out the integral erection buckle to elevator door sword spare part for elevator door sword equipment has corresponding limit structure, does benefit to the overall stability who improves elevator door sword.

Description

High-safety elevator door vane system with limiting device
Technical Field
The invention relates to the technical field of elevator door vanes, in particular to a high-safety elevator door vane system with a limiting device.
Background
The elevator door vane, the correct call for the elevator door motor, also called "door operator", is the switching device of elevator car door, mainly is responsible for opening, the mechanism of closing elevator room sedan-chair door, receives the elevator and opens, closes the door signal when it, and the elevator door motor is through the control system control door opening motor of taking certainly, changes the moment that the motor produced into the power of a specific direction, closes or opens the door, but there is the installation hidden danger in the elevator door vane, consequently needs to carry out structural improvement to the elevator door vane.
Elevator door sword in market is difficult to carry out the integral erection buckle to elevator door sword spare part, and elevator door sword equipment does not have limit structure, influences the overall stability of elevator door sword, and the outside does not have corresponding protective structure, the serious problem of inside spare part wearing and tearing.
Disclosure of Invention
The invention aims to provide a high-safety elevator door vane system with a limiting device, and aims to solve the problems that the elevator door vane in the market proposed in the background art is difficult to integrally install a buckle on parts of the elevator door vane, elevator door vane equipment does not have a limiting structure, the integral stability of the elevator door vane is influenced, a corresponding protection structure is not arranged outside, and the internal parts are seriously abraded.
In order to achieve the purpose, the invention provides the following technical scheme: the high-safety elevator door knife system with the limiting device comprises a mounting rack, a blocking rack and a fixed hole, wherein one side of the outside of the mounting rack is connected with a positioning bolt, the top end of the mounting rack is provided with a connecting plate, the middle part of the mounting rack is provided with a clamping plate, the top end of the clamping plate is provided with a fastening hole, one side of the clamping plate is connected with a rotating column, the bottom end of the rotating column is provided with a limiting plate, the inner bottom end of the limiting plate is connected with a bolt column, one side of the bottom end of the limiting plate is provided with a cross rod, one side of the top end of the cross rod is provided with a packaging rack, the middle part of the cross rod is provided with a reset spring, the middle part of the bottom end of the mounting rack is provided with a clamping limiting rack, the two sides of the rear end of the mounting rack, the hinge rack is characterized in that hinge columns are arranged on two sides of the hanging rack, the hanging rack is movably connected with the hinge columns, a fixing plate is fixed on one side of the packaging rack, and a hinge frame is connected to one side of the fixing plate.
Preferably, be swing joint between mounting bracket and the grip block, and laminate each other between grip block and the column spinner.
Preferably, the inner wall of the rotating column is tightly attached to the outer wall of the limiting plate, and the limiting plate is in threaded connection with the plug.
Preferably, the mounting frame is movably connected with the clamping limiting frame, and the clamping limiting frame is rectangular.
Preferably, be swing joint between mounting bracket and the stores pylon, and be threaded connection between stores pylon and the draw-in groove bolt.
Preferably, the hanging rack and the blocking frame are mutually attached, and the clamping groove bolt forms a clamping structure with the blocking frame through the hanging rack.
Preferably, the clamping limit frame comprises a bolt plate, a threaded column and a protection frame, the protection frame is arranged on two sides of the top end of the clamping limit frame, the threaded column is connected to the middle of the protection frame, and the bolt plate is arranged on the top end of the threaded column.
Preferably, the connecting plate is movably connected with the hinge column, and the connecting plate forms a clamping structure with the fixed hole through the hinge column.
Preferably, the packaging frame is fixedly connected with the fixing plate, and the packaging frame is of a semicircular structure.
Compared with the prior art, the invention has the following beneficial effects:
1. the mounting frame and the clamping limiting frame are movably connected, the clamping limiting frame is rectangular, and meanwhile the connecting plate can be protected at the top end of the mounting frame, so that the clamping limiting frame and the connecting plate are respectively protected at the upper side and the lower side of the mounting frame, the effect of protection limiting arrangement can be achieved on the mounting frame, and later-stage mounting and fixing can be conveniently carried out by a user.
2. The mounting frame and the hanging frame are movably connected, the hanging frame is in threaded connection with the clamping groove bolt, when the rear end of the elevator door vane mounting frame is fixedly mounted, the hanging frame can be respectively mounted on two sides of the mounting frame, and meanwhile, the clamping groove bolt penetrates through the thread between the hanging frame and the mounting frame, so that the elevator door vane mounting frame is integrally mounted and clamped.
3. According to the elevator door vane device, the protection frames are arranged on two sides of the top end of the clamping limit frame, the threaded columns are connected to the middle of the protection frames, the bolt plates are arranged on the top ends of the threaded columns, so that the protection frames are clamped between the clamping limit frames through the bolt plates and the threaded columns, the bolt plates and the threaded columns are effectively arranged between the mounting frames in a protection mode, the clamping buckle can be integrally mounted on parts of an elevator door vane, the elevator door vane device is provided with the corresponding limit structure, and the improvement of the overall stability of the elevator door vane is facilitated.
4. According to the invention, the connecting plate is in a clamping structure with the hinge column and the fixed hole, so that the connecting plate with the fixed hole can be arranged at the top end of the mounting frame in a protective manner, when the mounting frame is integrally mounted, a user can manually push the connecting plate to drive the hinge column to move along the top end of the mounting frame, the connecting plate with the fixed hole is effectively clamped on the mounting frame in a protective manner, and a worker can mount the fixed hole on the connecting plate.
5. The packaging frame is fixedly connected with the fixing plate and is of the semicircular structure, the packaging frame of the semicircular structure is effectively and movably arranged between the reset springs, the packaging frame of the semicircular structure is arranged between the clamping plates in a protective mode, after the elevator door vane parts are integrally arranged, the packaging frame of the semicircular structure can be isolated and protected inside the elevator door vane parts, corresponding protective structures can be arranged on the inner portion and the outer portion of the elevator door vane, and the abrasion degree of the internal parts is reduced.
Drawings
Fig. 1 is a schematic front view of a high-safety elevator door vane system with a limiting device according to the present invention;
FIG. 2 is a schematic diagram of the right side view of the high safety elevator door vane system with a position limiting device of the present invention;
FIG. 3 is a schematic view of the internal structure of the high-safety elevator door vane system clamping and limiting frame with a limiting device;
fig. 4 is an enlarged schematic view of the high-safety elevator door vane system with a limiting device at a position A in fig. 1;
fig. 5 is an enlarged schematic view of the high-safety elevator door vane system with a limiting device at the position B in fig. 1.
In the figure: 1. a mounting frame; 2. positioning bolts; 3. a connecting plate; 4. buckling holes; 5. a clamping plate; 6. a spin column; 7. a limiting plate; 8. a stud; 9. a cross bar; 10. a packaging frame; 11. a return spring; 12. a clamping limit frame; 13. a hanger; 14. a slot clamping bolt; 15. a blocking frame; 16. a peg board; 17. a threaded post; 18. a protective frame; 19. a hinge post; 20. hole fixing; 21. a hinge frame; 22. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-5, the present invention provides a technical solution: high-safety elevator door vane system with a limiting device comprises a mounting frame 1, a positioning bolt 2, a connecting plate 3, a buckling hole 4, a clamping plate 5, a rotary column 6, a limiting plate 7, a bolt 8, a cross rod 9, a packaging frame 10, a reset spring 11, a clamping limiting frame 12, a hanging frame 13, a clamping groove bolt 14, a blocking frame 15, a bolt plate 16, a threaded column 17, a protecting frame 18, a hinge column 19, a fixed hole 20, a hinge frame 21 and a fixing plate 22, wherein the positioning bolt 2 is connected to one side of the outer portion of the mounting frame 1, the connecting plate 3 is arranged at the top end of the mounting frame 1, the clamping plate 5 is arranged in the middle of the mounting frame 1, the buckling hole 4 is formed in the top end of the clamping plate 5, the rotary column 6 is connected to one side of the clamping plate 5, the limiting plate 7 is arranged at the bottom end of the rotary column 6, the bolt 8 is connected to the bottom end of the limiting plate 7, the, the middle part of the cross rod 9 is provided with a return spring 11, the middle part of the bottom end of the mounting rack 1 is provided with a clamping limiting rack 12, two sides of the rear end of the mounting rack 1 are provided with hanging racks 13, the upper side and the lower side of the interior of each hanging rack 13 are provided with slot clamping bolts 14, one side of each hanging rack 13 is connected with a blocking rack 15, two sides of the interior of the connecting plate 3 are provided with fixed holes 20, two sides of each hanging rack 13 are provided with hinge columns 19, the hanging racks 13 are movably connected with the hinge columns 19, one side of the packaging rack 10 is fixed with a fixing plate 22, and one;
the mounting frame 1 is movably connected with the clamping plate 5, the clamping plate 5 is attached to the rotary column 6, the clamping plate 5 is movably mounted in the middle of the mounting frame 1, the rotary columns 6 are attached to the clamping plate 5, the rotary column 6 and the clamping plate 5 which are attached to each other can be mounted between the buckling holes 4, and the clamping plate 5 can be mounted and protected between the rotary column 6 and the buckling holes 4;
the inner wall of the rotating column 6 is tightly attached to the outer wall of the limiting plate 7, the limiting plate 7 is in threaded connection with the stud 8, the outer wall of the limiting plate 7 is tightly attached to the inner wall of the rotating column 6, so that the threads of the stud 8 penetrate through and are buckled between the limiting plates 7, the limiting plates 7 can be installed between the mounting frames 1 in a protective mode, and high-safety limiting buckles can be arranged on parts of the elevator door vane;
the mounting frame 1 and the clamping limiting frame 12 are movably connected, the clamping limiting frame 12 is rectangular, the rectangular clamping limiting frame 12 is movably mounted at the outer bottom ends of the clamping plate 5 and the mounting frame 1, meanwhile, the connecting plate 3 can be protected at the top end of the mounting frame 1, so that the clamping limiting frame 12 and the connecting plate 3 are respectively protected at the upper side and the lower side of the mounting frame 1, the effect of protection limiting arrangement can be achieved on the mounting frame 1, and a user can conveniently perform later-stage mounting and fixing;
the mounting frame 1 is movably connected with the hanging frame 13, the hanging frame 13 is in threaded connection with the slot clamping bolt 14, the hanging frame 13 is in threaded connection with the rear end of the mounting frame 1, the thread of the slot clamping bolt 14 penetrates through and is clamped between the hanging frame 13 and the mounting frame 1, when the rear end of the elevator door vane mounting frame 1 is fixedly mounted, the hanging frame 13 can be respectively mounted on two sides of the mounting frame 1, and meanwhile, the thread of the slot clamping bolt 14 penetrates through the hanging frame 13 and the mounting frame 1, so that the elevator door vane mounting frame 1 can be integrally mounted and clamped;
the hanging frame 13 and the blocking frame 15 are mutually attached, the slot clamping bolt 14 forms a buckling structure through the hanging frame 13 and the blocking frame 15, and when the hanging frame 13 and the blocking frame 15 which are mutually attached are installed between the installation frames 1, the thread of the slot clamping bolt 14 penetrates through and is buckled between the hanging frame 13, so that the blocking frame 15 is installed between the installation frames 1 in a protective mode;
the clamping limit frame 12 comprises a bolt plate 16, a threaded column 17 and a protection frame 18, the protection frames 18 are arranged on two sides of the top end of the clamping limit frame 12, the threaded column 17 is connected to the middle of the protection frame 18, the bolt plate 16 is arranged on the top end of the threaded column 17, when the rectangular clamping limit frame 12 is movably arranged at the outer bottom ends of the clamping plate 5 and the mounting frame 1, the bolt plate 16 and the threaded column 17 can be installed between the clamping limit frames 12 in a protection mode, the protection frame 18 is buckled between the clamping limit frames 12 through the bolt plate 16 and the threaded column 17, the bolt plate 16 and the threaded column 17 are effectively installed between the mounting frame 1 in a protection mode, buckling can be integrally installed on parts of the elevator door vane, the elevator door vane is provided with a corresponding limit structure, and overall stability of the elevator door vane is improved;
the connecting plate 3 is movably connected with the hinge columns 19, the connecting plate 3 forms a clamping structure with the fixed holes 20 through the hinge columns 19, the hinge columns 19 are movably arranged between the connecting plates 3, the connecting plate 3 is movably arranged between the mounting frames 1 through the hinge columns 19, the connecting plate 3 with the fixed holes 20 can be arranged at the top ends of the mounting frames 1 in a protective mode, when the mounting frames 1 are integrally mounted, a user can manually push the connecting plate 3 to drive the hinge columns 19 to move along the top ends of the mounting frames 1, the connecting plate 3 with the fixed holes 20 is effectively clamped on the mounting frames 1 in a protective mode, and workers can mount the fixed holes 20 in the connecting plate 3;
be fixed connection between encapsulation frame 10 and the fixed plate 22, and encapsulation frame 10 is the semi-circular structure, with fixed connection's encapsulation frame 10 and fixed plate 22 movable mounting between hinge frame 21, can make semi-circular structure's encapsulation frame 10 move about along between mounting bracket 1 through hinge frame 21, effectual encapsulation frame 10 movable mounting with semi-circular structure is between reset spring 11, make semi-circular structure's encapsulation frame 10 protection settle between grip block 5, carry out whole arrangement with elevator door sword spare part after, can keep apart protection in it with semi-circular structure's encapsulation frame 10, can make the inside and outside have corresponding protective structure, reduce inside spare part degree of wear.
The working principle of the embodiment is as follows: the elevator door vane system with the high-safety limiting device is characterized in that the outer wall of the limiting plate 7 is tightly attached between the inner walls of the rotary columns 6, so that the threads of the studs 8 penetrate through and are buckled between the limiting plates 7, the limiting plates 7 can be installed between the mounting frames 1 in a protective manner, high-safety limiting buckles can be achieved for elevator door vane parts, the hinge columns 19 are movably arranged between the connecting plates 3, the connecting plates 3 are movably arranged between the mounting frames 1 through the hinge columns 19, the connecting plates 3 with the fixed holes 20 can be arranged at the top ends of the mounting frames 1 in a protective manner, when the mounting frames 1 are integrally installed, a user can manually push the connecting plates 3 to drive the hinge columns 19 to move along the top ends of the mounting frames 1, the connecting plates 3 with the fixed holes 20 are effectively clamped on the mounting frames 1, and workers can install the fixed holes 20 on the connecting plates 3, when the hanging rack 13 and the blocking rack 15 which are mutually attached are arranged between the mounting racks 1, the thread of the slot clamping bolt 14 penetrates through and is clamped between the hanging racks 13, so that the blocking rack 15 is arranged between the mounting racks 1 in a protective way, the fixedly connected packaging rack 10 and the fixed plate 22 are movably arranged between the hinge racks 21, the packaging rack 10 with the semicircular structure can move along the mounting racks 1 through the hinge racks 21, the packaging rack 10 with the semicircular structure is effectively and movably arranged between the reset springs 11, the packaging rack 10 with the semicircular structure is arranged between the clamping plates 5 in a protective way, after the parts of the elevator door vane are integrally arranged, the packaging rack 10 with the semicircular structure can be isolated and protected inside, the inside and the outside have corresponding protective structures, the abrasion degree of the internal parts is reduced, and finally, when the rectangular clamping limiting rack 12 is movably arranged at the bottom ends of the clamping plates 5 and the mounting racks 1, the bolt plate 16 and the threaded column 17 can be installed between the clamping limit frames 12 in a protection mode, the protection frame 18 is buckled between the clamping limit frames 12 through the bolt plate 16 and the threaded column 17, the bolt plate 16 and the threaded column 17 are effectively installed between the mounting frames 1 in a protection mode, the elevator door vane parts can be integrally buckled, the elevator door vane equipment is provided with a corresponding limit structure, the overall stability of the elevator door vane is improved, the hanging frame 13 is connected to the rear end of the mounting frame 1 in a threaded mode, the thread of the clamping groove bolt 14 penetrates through and is buckled between the hanging frame 13 and the mounting frame 1, when the rear end of the elevator door vane mounting frame 1 is fixedly installed, the hanging frame 13 can be installed on the two sides of the mounting frame 1 respectively, meanwhile, the thread of the clamping groove bolt 14 penetrates between the hanging frame 13 and the mounting frame 1, the elevator door vane mounting frame 1 is beneficial to integral installation and clamping, the rectangular clamping limit frames 12 are movably installed at the outer bottom ends of the clamping plate 5 and the mounting frame, can protect connecting plate 3 on the top of mounting bracket 1 simultaneously, make centre gripping limit frame 12 and connecting plate 3 protect respectively in the upper and lower both sides of mounting bracket 1, can reach the effect of protecting spacing arrangement to mounting bracket 1, the person of facilitating the use carries out the later stage installation fixed, with 5 movable mounting of grip block at the middle part of mounting bracket 1, make the column spinner 6 laminate each other between grip block 5, can install the column spinner 6 and the grip block 5 of laminating each other between detaining hole 4, can install the guard at column spinner 6 and detain between hole 4 with grip block 5.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (9)

1. High security takes stop device's elevator door sword system, including mounting bracket (1), fender frame (15) and decide hole (20), its characterized in that: the outer side of the mounting frame (1) is connected with a positioning bolt (2), the top end of the mounting frame (1) is provided with a connecting plate (3), the middle of the mounting frame (1) is provided with a clamping plate (5), the top end of the clamping plate (5) is provided with a buckling hole (4), one side of the clamping plate (5) is connected with a rotary column (6), the bottom end of the rotary column (6) is provided with a limiting plate (7), the inner bottom end of the limiting plate (7) is connected with a stud (8), one side of the bottom end of the limiting plate (7) is provided with a cross rod (9), one side of the top end of the cross rod (9) is provided with a packaging frame (10), the middle of the cross rod (9) is provided with a reset spring (11), the middle of the bottom end of the mounting frame (1) is provided with a clamping limiting frame (12, and draw-in groove bolt (14) are installed to both sides about the inside of stores pylon (13), one side of stores pylon (13) is connected with keeps off frame (15), decide hole (20) have been seted up to the inside both sides of connecting plate (3), the both sides of stores pylon (13) are provided with hinge post (19), and are swing joint between stores pylon (13) and hinge post (19), one side of encapsulation frame (10) is fixed with fixed plate (22), and one side of fixed plate (22) is connected with hinge frame (21).
2. The high safety elevator vane system with a limit device of claim 1, wherein: be swing joint between mounting bracket (1) and grip block (5), and laminate each other between grip block (5) and column spinner (6).
3. The high safety elevator vane system with a limit device of claim 1, wherein: the inner wall of the rotating column (6) is tightly attached to the outer wall of the limiting plate (7), and the limiting plate (7) is in threaded connection with the bolt column (8).
4. The high safety elevator vane system with a limit device of claim 1, wherein: the mounting frame (1) is movably connected with the clamping limiting frame (12), and the clamping limiting frame (12) is rectangular.
5. The high safety elevator vane system with a limit device of claim 1, wherein: the mounting rack (1) is movably connected with the hanging rack (13), and the hanging rack (13) is in threaded connection with the clamping groove bolt (14).
6. The high safety elevator vane system with a limit device of claim 1, wherein: the hanging rack (13) and the blocking rack (15) are mutually attached, and the clamping groove bolt (14) forms a clamping structure through the hanging rack (13) and the blocking rack (15).
7. The high safety elevator vane system with a limit device of claim 1, wherein: the clamping limit frame (12) comprises a bolt plate (16), a threaded column (17) and a protection frame (18), the protection frame (18) is arranged on two sides of the top end of the clamping limit frame (12), the threaded column (17) is connected to the middle of the protection frame (18), and the bolt plate (16) is arranged on the top end of the threaded column (17).
8. The high safety elevator vane system with a limit device of claim 1, wherein: the connecting plate (3) is movably connected with the hinge column (19), and the connecting plate (3) forms a clamping structure with the fixed hole (20) through the hinge column (19).
9. The high safety elevator vane system with a limit device of claim 1, wherein; the packaging frame (10) is fixedly connected with the fixing plate (22), and the packaging frame (10) is of a semicircular structure.
CN202010499909.1A 2020-06-04 2020-06-04 High-safety elevator door vane system with limiting device Pending CN111439660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010499909.1A CN111439660A (en) 2020-06-04 2020-06-04 High-safety elevator door vane system with limiting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010499909.1A CN111439660A (en) 2020-06-04 2020-06-04 High-safety elevator door vane system with limiting device

Publications (1)

Publication Number Publication Date
CN111439660A true CN111439660A (en) 2020-07-24

Family

ID=71655362

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010499909.1A Pending CN111439660A (en) 2020-06-04 2020-06-04 High-safety elevator door vane system with limiting device

Country Status (1)

Country Link
CN (1) CN111439660A (en)

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