Elevator emergency rescue device

By setting up a foldable climbing mechanism at the upper end of the elevator cab and using a two-way screw to drive the climbing plate to unfold, the problem of too far apart from the hall door when the elevator is trapped, and the trapped people are safely escaped.

CN119706554APending Publication Date: 2025-03-28SUZHOU DEAO ELEVATOR
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Patent Information

Application Number
CN202411960910.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

When the elevator is trapped, the distance between the elevator car and the hall door on the floor is relatively large, which makes it impossible for the trapped people to enter the interior of the hall door from the upper end of the elevator car.

Method used

An elevator emergency rescue device is designed, including a foldable climbing mechanism at the upper end of the elevator cab, which drives the moving rod outward through a two-way screw, and unfolds the staggered climbing plates to extend it upwards, so that the trapped people can climb to the nearest hall door.

Benefits of technology

When the elevator is trapped, the climbing mechanism is deployed to facilitate the trapped people to escape smoothly, and avoid difficulties caused by too long distances.

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Abstract

The invention discloses an elevator emergency rescue device, and relates to the technical field of elevators, the elevator emergency rescue device comprises an elevator shaft and an elevator car, the elevator car is located in the elevator shaft, and one side of the elevator shaft is provided with a landing door; the escape exit is arranged on one side of the surface of the upper end of the elevator car and communicates with the interior of the elevator car, a fixing plate is arranged in the escape exit and swings in the escape exit through a connecting piece, and the climbing mechanism turns over when the elevator needs to be used, so that the escape exit can escape from the interior of the elevator car. Meanwhile, the moving rods on the two sides are driven by the two-way screw rods to move outwards at the same time, so that the climbing plates are unfolded outwards, the climbing plates are arranged in a staggered mode and can be unfolded outwards conveniently, the climbing plates can stretch upwards, and unfolding of the climbing plates can be adjusted according to the distance between the elevator car and the landing door; and trapped people can conveniently climb to the nearest landing door through the climbing mechanism to open the landing door, so that the trapped people can escape smoothly.
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Description

Technical Field

[0001] The invention relates to the technical field of elevators, in particular to an elevator emergency rescue device. Background Art

[0002] With the continuous and rapid development of economy, the urban population is increasing year by year, and the floors of buildings in cities are getting higher and higher. As the only facility to transfer people living or working in buildings, elevators are closely related to the life safety of people living in cities.

[0003] In the event of a fire or other natural disaster, there are frequent cases where people trapped in elevators die because rescue workers fail to provide timely assistance or rescue cannot be carried out due to complex on-site conditions. If the elevator car is between two floors and there is a power outage, the only way to escape is to climb out from the top of the elevator car and successfully enter the hall door of a relatively nearby floor. However, there is generally a certain distance between the elevator car and the hall door of the floor, and the trapped people cannot successfully enter the hall door from the top of the elevator car. Therefore, we propose an elevator emergency rescue device to solve the above-mentioned problems. Summary of the invention

[0004] The purpose of the present invention is to provide an elevator emergency rescue device to solve the problem in the above background technology that there is a certain distance between the general elevator car and the floor hall door, and the trapped people cannot smoothly enter the interior of the hall door from the upper end of the elevator car.

[0005] To achieve the above object, the present invention provides the following technical solution: an elevator emergency rescue device, comprising an elevator shaft and an elevator car, wherein the elevator car is located inside the elevator shaft, and a hall door is provided on one side of the elevator shaft;

[0006] Also includes:

[0007] An escape hatch is arranged on one side of the upper end surface of the elevator car, and the escape hatch is connected to the interior of the elevator car, a fixed plate is arranged inside the escape hatch, and the fixed plate swings inside the escape hatch through a connecting piece, and a plurality of evenly distributed first climbing frames are arranged on the surface of the fixed plate;

[0008] The mounting frame is arranged on one side of the upper end of the elevator car, and a first slide groove is arranged on the inner surface of the mounting frame, a top plate is arranged above the mounting frame, and a second slide groove is arranged inside the top plate, a moving rod is arranged between the top plate and the mounting frame, the moving rod is a telescopic structure, and two groups of moving rods are symmetrically arranged, and sliders are arranged at both ends of the moving rod, and the sliders are slidably engaged in the first slide groove and the second slide groove respectively, a plurality of climbing boards are arranged between the mounting frame and the top plate, and the climbing boards are staggered, a convex plate is arranged on one side of the outer side of the climbing board, and the convex plate is slidably engaged on the outside of the moving rod, a connecting plate is passed between the climbing boards, the connecting plate is connected to the front end of the other side of the climbing board, and the two ends of the connecting plate are respectively hinged to the two climbing boards through connecting pieces.

[0009] Preferably, a bidirectional screw is provided inside the first slide groove, and the bidirectional screw is threadedly connected to a slider inside the first slide groove, and a motor is provided at one end of the screw, and the motor is located outside the mounting frame.

[0010] Preferably, a fixing rod is provided between the mounting frame and the top plate, and the fixing rod is a telescopic structure, a through slot is provided inside the climbing board, and the fixing rod passes through the inside of the through slot.

[0011] Preferably, a first movable plate is provided inside the fixed plate, first protrusions are provided on both sides of the first movable plate, and the first protrusions are slidably engaged with the inner side of the fixed plate, a second climbing frame is provided on the surface of the first movable plate, a second movable plate is provided inside the first movable plate, second protrusions are provided on both sides of the second movable plate, and the second protrusions are slidably engaged with the inner side of the first movable plate, and a third climbing frame is provided on the surface of the second movable plate.

[0012] Preferably, a battery is provided on one side of the upper end of the elevator car, the output end of the battery is electrically connected to the input end of the electric push rod and the motor respectively, the battery includes an inverter circuit, the battery and the PLC control system, and the surface of the PLC controller has a universal interface.

[0013] Preferably, an electric push rod is provided at the inner upper end of the elevator car, and the electric push rod is located at one side of the escape hatch, and a bayonet is provided at the front end of the electric push rod, and the bayonet is attached to one side of the fixing plate.

[0014] Preferably, the mounting frame is mounted on the upper end of the elevator car via a movable seat, a movable groove is provided on the upper end surface of the elevator car, and the movable seat is movably engaged in the movable groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) A foldable climbing mechanism is provided at the upper end of the elevator car. When not in use, the climbing mechanism lies on the upper end surface of the elevator car, which will not affect the normal up and down movement and use of the elevator car. When it is needed, the climbing mechanism is flipped over, and the moving rods on both sides are driven to move outward at the same time by a bidirectional screw, so that the climbing board is unfolded outward, and the climbing boards are staggered to facilitate the outward unfolding, so that the climbing boards can be stretched upward. The unfolding of the climbing boards can be adjusted according to the distance between the elevator car and the hall door, so that the trapped persons can climb to the nearest hall door through the climbing mechanism and open the hall door, so that they can escape smoothly.

[0017] (2) A fixed plate is arranged at the upper end of the interior of the elevator car, and two retractable movable plates are arranged inside the fixed plate. The position of the fixed plate is fixed by an electric push rod and a latch. When an emergency occurs, the electric push rod drives the latch to contract so that the fixed plate flips down from the escape hole, and the two movable plates extend. The trapped person can climb to the top of the elevator car through the movable plate and the fixed plate, and then use the climbing mechanism to climb to the hall door and escape smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the fixing plate structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the climbing mechanism of the present invention;

[0021] Figure 4 It is a side cross-sectional view of the internal structure of the elevator shaft of the present invention;

[0022] Figure 5 This is a front view of the climbing mechanism of the present invention;

[0023] In the figure: 1, elevator shaft; 2, hall door; 3, escape hatch; 4, fixed plate; 5, first movable plate; 6, second movable plate; 7, second protrusion; 8, first protrusion; 9, first climbing frame; 10, second climbing frame; 11, third climbing frame; 12, electric push rod; 13, latch; 14, mounting frame; 15, moving seat; 16, motor; 17, top plate; 18, battery; 19, moving rod; 20, climbing board; 21, protrusion plate; 22, connecting plate; 23, through groove; 24, fixed rod; 25, bidirectional screw; 26, slider; 27, first slide groove; 28, second slide groove; 29, elevator car; 30, moving groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] The present invention provides an elevator emergency rescue device, which includes an elevator shaft 1 and an elevator car 29, wherein the elevator car 29 is located inside the elevator shaft 1, and a hall door 2 is provided on one side of the elevator shaft 1. The present invention mainly solves the problem that there is a certain distance between the general elevator car and the floor hall door, and the trapped person cannot smoothly enter the interior of the hall door from the upper end of the elevator car.

[0026] For the device provided by the present invention, please refer to Figure 1-5 , a detailed introduction is given below.

[0027] The mounting frame 14 is arranged on one side of the upper end of the elevator car 29, and a first slide groove 27 is arranged on the inner surface of the mounting frame 14. A top plate 17 is arranged above the mounting frame 14, and a second slide groove 28 is arranged inside the top plate 17. A moving rod 19 is arranged between the top plate 17 and the mounting frame 14. The moving rod 19 is a telescopic structure, and two groups of moving rods 19 are symmetrically arranged. Slide blocks 26 are arranged at both ends of the moving rod 19, and the slide blocks 26 are respectively slidably engaged in the first slide groove 27 and the second slide groove 28. A plurality of climbing boards 20 are arranged between the mounting frame 14 and the top plate 17, and the climbing boards 20 are arranged in a staggered manner. A convex plate 21 is provided on one side of the outside of the climbing board 20, and the convex plate 21 is slidably engaged with the outside of the moving rod 19. A connecting plate 22 is passed between the climbing boards 20, and the connecting plate 22 is connected to the front end of the other side of the climbing board 20, and the two ends of the connecting plate 22 are respectively hinged to the two climbing boards 20 through connecting pieces. The mounting frame 14 is installed on the upper end of the elevator car 29 through the moving seat 15. A moving groove 30 is provided on the upper end surface of the elevator car 29, and the moving seat 15 is movably engaged with the inside of the moving groove 30. The mounting frame 14 can be pulled backward according to the position of the hall door 2, so that an inclined angle is formed to facilitate climbing.

[0028] Further description, a bidirectional screw 25 is arranged inside the first slide groove 27, and the bidirectional screw 25 is threadedly connected with the slider 26 inside the first slide groove 27, and a motor 16 is arranged at one end of the screw, and the motor 16 is located outside the mounting frame 14, and the moving rods 19 on both sides are driven to move outward at the same time by the bidirectional screw 25, so that the climbing board 20 is staggered and unfolded outward, and the bidirectional screw 25 limits and fixes the moving rod 19, so that the trapped person can be supported to climb to the hall door of the nearest floor through the climbing board 20, and a fixing rod 24 is arranged between the mounting frame 14 and the top plate 17, and the fixing rod 24 is a telescopic structure, and the climbing board 20 is staggered and unfolded outward. A through slot 23 is provided inside the plate 20, and a fixing rod 24 passes through the inside of the through slot 23. The fixing rod 24 is provided to limit and fix a plurality of climbing plates 20, so as to facilitate support and auxiliary stability. The telescopic structure of the fixing rod 24 can be telescoped according to the distance between the mounting frame 14 and the top plate 17. An electric push rod 12 is provided at the upper end of the interior of the elevator car 29, and the electric push rod 12 is located on one side of the escape hatch 3. A bayonet 13 is provided at the front end of the electric push rod 12, and the bayonet 13 is attached to one side of the fixing plate 4. The bayonet 13 is used to drive the electric push rod 12 to perform telescopic activities, so that the bayonet 13 can limit the fixing plate 4.

[0029] To further illustrate, the escape hatch 3 is arranged on one side of the upper end surface of the elevator car 29, and the escape hatch 3 is connected to the interior of the elevator car 29, a fixed plate 4 is arranged inside the escape hatch 3, and the fixed plate 4 swings inside the escape hatch 3 through a connecting piece, a surface of the fixed plate 4 is provided with a plurality of evenly distributed first climbing frames 9, a first movable plate 5 is arranged inside the fixed plate 4, first protrusions 8 are arranged on both sides of the first movable plate 5, and the first protrusions 8 are slidably engaged with the inner side of the fixed plate 4, a second climbing frame 10 is arranged on the surface of the first movable plate 5, a second movable plate 6 is arranged inside the first movable plate 5, second protrusions 7 are arranged on both sides of the second movable plate 6, and the second protrusions 7 are slidably engaged with the inner side of the first movable plate 5, and a third climbing frame 11 is arranged on the surface of the second movable plate 6, so that the fixed plate 4 can extend two sections of climbing structure to assist people trapped inside the elevator car 29 to climb to the top of the elevator car 29 smoothly.

[0030] To further explain, a battery 18 is provided on one side of the upper end of the elevator car 29, and the output end of the battery 18 is electrically connected to the input end of the electric push rod 12 and the motor 16 respectively. The battery 18 includes an inverter circuit. The battery 18 and the plc control system have a universal interface on the surface of the plc controller. The battery 18 is provided to power the electric push rod 12 and the motor 16, and can provide power when the elevator is powered off, so that the electric push rod 12 and the motor 16 have power, and the plc controller and the universal interface can be used to connect with any brand control system.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An elevator emergency rescue device, comprising an elevator shaft (1) and an elevator car (29), wherein the elevator car (29) is located inside the elevator shaft (1), and a hall door (2) is provided on one side of the elevator shaft (1); Features: Also includes: An escape hatch (3) is arranged on one side of the upper end surface of the elevator car (29), and the escape hatch (3) is connected to the interior of the elevator car (29); a fixed plate (4) is arranged inside the escape hatch (3), and the fixed plate (4) swings inside the escape hatch (3) through a connecting piece; and a plurality of evenly distributed first climbing frames (9) are arranged on the surface of the fixed plate (4); A mounting frame (14) is arranged on one side of the upper end of the elevator car (29), a first slide groove (27) is arranged on the inner surface of the mounting frame (14), a top plate (17) is arranged above the mounting frame (14), a second slide groove (28) is arranged inside the top plate (17), a moving rod (19) is arranged between the top plate (17) and the mounting frame (14), the moving rod (19) is a telescopic structure, and two groups of moving rods (19) are symmetrically arranged, and sliders (26) are arranged at both ends of the moving rod (19), and the sliders (26) are respectively slidably engaged with the first sliders (26) and the second sliders (28) are respectively slidably engaged with the first sliders (26) and the second sliders (28) are respectively slidably engaged with the first sliders (28 ... A plurality of climbing boards (20) are arranged between the mounting frame (14) and the top plate (17) inside the first slide groove (27) and the second slide groove (28), and the climbing boards (20) are arranged in a staggered manner. A convex plate (21) is arranged on one side of the outside of the climbing board (20), and the convex plate (21) is slidably engaged with the outside of the moving rod (19). A connecting plate (22) is passed between the climbing boards (20), and the connecting plate (22) is connected to the front end of the other side of the climbing board (20), and the two ends of the connecting plate (22) are respectively hinged to the two climbing boards (20) through connecting pieces.

2. An elevator emergency rescue device according to claim 1, characterized in that: A bidirectional screw (25) is arranged inside the first slide groove (27), and the bidirectional screw (25) is threadedly connected to a slider (26) inside the first slide groove (27); a motor (16) is arranged at one end of the screw, and the motor (16) is located outside the mounting frame (14).

3. An elevator emergency rescue device according to claim 1, characterized in that: A fixing rod (24) is arranged between the mounting frame (14) and the top plate (17), and the fixing rod (24) is a telescopic structure; a through slot (23) is arranged inside the climbing plate (20), and the fixing rod (24) passes through the inside of the through slot (23).

4. An elevator emergency rescue device according to claim 1, characterized in that: A first movable plate (5) is arranged inside the fixed plate (4), first protrusions (8) are arranged on both sides of the first movable plate (5), and the first protrusions (8) are connected to the inner side of the fixed plate (4) by sliding engagement, a second climbing frame (10) is arranged on the surface of the first movable plate (5), a second movable plate (6) is arranged inside the first movable plate (5), second protrusions (7) are arranged on both sides of the second movable plate (6), and the second protrusions (7) are connected to the inner side of the first movable plate (5) by sliding engagement, and a third climbing frame (11) is arranged on the surface of the second movable plate (6).

5. An elevator emergency rescue device according to claim 1, characterized in that: A storage battery (18) is arranged on one side of the upper end of the elevator car (29), the output end of the storage battery (18) is electrically connected to the input end of the electric push rod (12) and the motor (16) respectively, the storage battery (18) includes an inverter circuit, the storage battery (18) and a PLC control system, and a universal interface is provided on the surface of the PLC controller.

6. An elevator emergency rescue device according to claim 1, characterized in that: An electric push rod (12) is arranged at the upper end of the interior of the elevator car (29), and the electric push rod (12) is located on one side of the escape hatch (3). A latch (13) is arranged at the front end of the electric push rod (12), and the latch (13) is attached to one side of the fixing plate (4).

7. An elevator emergency rescue device according to claim 1, characterized in that: The mounting frame (14) is mounted on the upper end of the elevator car (29) via a movable seat (15); a movable groove (30) is provided on the upper end surface of the elevator car (29), and the movable seat (15) is movably engaged in the interior of the movable groove (30).