Elevator trapped person self-rescue release device

Abstract

The utility model discloses a self-rescue release device for people trapped in an elevator, which belongs to the technical field of elevators and is characterized in that an elevator rope is wound on the surface of a clutch elevator, the clutch elevator is fixedly mounted in a car connecting frame, a mounting hole is formed in the surface of the car connecting frame, and a clutch control part of the clutch elevator is provided with a control rod; according to the self-rescue release device for the trapped people in the elevator, through the arrangement of the control rod connected with the clutch elevator and the limiting box, a user can directly operate the control rod to control the clutch elevator conveniently, and the self-rescue release device for the trapped people in the elevator is convenient to use. According to the self-rescue device, the structure is simple, operation is convenient and fast, the self-rescue efficiency is improved, the control rod can be prevented from being operated at will and lost through the arranged protection box and cover plate, and meanwhile self-rescue personnel can visually see the self-rescue control rod conveniently and know how to conduct self rescue.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, and more particularly to a self-rescue and release device for people trapped in an elevator. Background Art

[0002] An elevator is a permanent transportation device that serves several specific floors in a building and whose car runs on at least two rows of rigid tracks that are perpendicular to the horizontal plane or have an inclination angle of less than fifteen degrees to the plumb line. Common elevator self-rescue release devices make it difficult for self-rescue personnel to quickly understand how to enter and exit the self-rescue operation during use. The structure is cumbersome and complicated, and it is easy to cause the control lever controlling the elevator self-rescue release device to be lost, reducing the self-rescue efficiency.

[0003] For example, announcement number CN217920925U discloses an elevator trapped person self-rescue release device, which includes a car, a shaft frame, a traction member, a balancing counterweight device, a permanent magnet retarder wheel set, a trapped person release device, a lifting winch rope and a car clutch hoist.

[0004] It can be seen from the above-mentioned public scheme that the release lever is placed in the car. When the release lever is needed, when a person is trapped in the elevator, the trapped person can take out the release lever and then insert its rotating end into the lever rotating slot of the four-wheel releaser. The four-wheel releaser can be rotated by the other end of the release lever. The release structure is cumbersome and complicated. Not only can the self-rescue personnel not intuitively see how to operate the release plate lever to rescue themselves, but the placed release plate lever is easy to be lost, which reduces the efficiency of self-rescue. Utility Model Content

[0005] In response to the problems existing in the prior art, the purpose of the present utility model is to provide a self-rescue release device for people trapped in an elevator. The self-rescue release device for people trapped in an elevator facilitates the user to directly operate the control lever to control the clutch hoist through the control lever and the limit box connected to the clutch hoist, so that the clutch of the clutch hoist is actuated to unwind the elevator rope for self-rescue. The structure is simple, the operation is convenient, and the self-rescue efficiency is improved. In addition, the protective box and cover plate are provided, which not only prevents the control lever from being arbitrarily operated or lost, but also facilitates the self-rescue personnel to intuitively see the self-rescue control lever and understand how to rescue themselves.

[0006] In order to solve the above problems, the present invention adopts the following technical solutions.

[0007] An elevator trapped person self-rescue release device includes a clutch hoist and a car connecting frame, the surface of the clutch hoist is wrapped with an elevator rope, the clutch hoist is fixedly installed in the car connecting frame, the surface of the car connecting frame is provided with a mounting hole, the clutch control part of the clutch hoist is provided with a control rod, the inner surface of the car connecting frame is fixedly installed with a limit box, one end of the limit box is provided with a limit part, one end of the limit part is provided with a through avoidance groove, one end of the control rod passes through the avoidance groove, the outer surface of the car connecting frame is fixedly installed with a protective box, the surface of the protective box is fixedly connected to a connecting plate, and the middle position of the connecting plate is provided with a There is a connecting hole, and the end of the protective box is provided with an entry and exit groove. The inner wall of the entry and exit groove is connected to a positioning groove, and the inner wall of the positioning groove is contacted and squeezed with a cover plate. The front of the protective box is provided with an opening. The elevator trapped person self-rescue release device, through the control lever connected to the clutch hoist and the limit box, is convenient for the user to directly operate the control lever to control the clutch hoist, so that the clutch of the clutch hoist is actuated to unwind the elevator rope for self-rescue. It has a simple structure and is easy to operate, which improves the self-rescue efficiency. In addition, through the provision of the protective box and the cover plate, it can not only prevent the control lever from being arbitrarily operated and lost, but also facilitate the self-rescue personnel to intuitively see the self-rescue control lever and understand how to save themselves.

[0008] Furthermore, the connecting hole is in the shape of a bar, one end of the connecting hole is connected to the air avoidance groove, the length of the air avoidance groove is the same as the length of the connecting hole, and one end of the control rod is in the connecting hole, which is convenient for the user to pull the control rod downward to move.

[0009] Furthermore, two rows of radially symmetrical bosses are fixedly connected to the inner walls on both sides of the inlet and outlet grooves, and an extrusion spring is fixedly sleeved on the surface of the bosses. The other end of the extrusion spring is fixedly connected to an extrusion plate. The extrusion spring is in a compressed elastic force state, so that the extrusion plate has an elastic extrusion effect.

[0010] Furthermore, one end of the extrusion plate is provided with an arc-shaped end, the surface of the extrusion plate contacts and squeezes the back of the cover plate, the distance between the extrusion plates is greater than the width of the opening, and the extrusion plate will not affect the user's hand insertion into the opening.

[0011] Furthermore, a cylinder is fixedly connected to the surface of the extrusion plate, the outer diameter of the cylinder is the same as the outer diameter of the boss, and the surface of the cylinder is fixedly sleeved with one end of the extrusion spring. The boss and the cylinder ensure the connection stability of the extrusion spring.

[0012] Furthermore, the cover is made of a highly transparent plastic plate, and a non-slip strip is provided on the surface of the cover to prevent the hands from slipping, making it easy to press and move the cover upwards.

[0013] Furthermore, the length and width of the opening are the same as those of the connecting hole, and the width is greater than 15 centimeters, which makes it easier for the user to put his hand into the protective box to operate the control rod.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) This solution provides a control lever and a limit box connected to the clutch hoist, which makes it easy for the user to directly operate the control lever to control the clutch hoist, so that the clutch of the clutch hoist can be activated to unwind the elevator rope for self-rescue. It has a simple structure, convenient operation, and improves the self-rescue efficiency.

[0016] (2) The present invention provides a protective box and a cover plate, which not only prevents the control lever from being arbitrarily operated or lost, but also allows the self-rescue personnel to visually see the self-rescue control lever and understand how to rescue themselves. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a side view of the overall structure of the utility model;

[0019] Figure 3 for Figure 2 A three-dimensional diagram of the limit box structure;

[0020] Figure 4 for Figure 2 A cross-sectional view of the protective box structure;

[0021] Figure 5 for Figure 1 Front view of the cover structure.

[0022] Description of the numbers in the figure:

[0023] 1 clutch hoist, 11 elevator rope, 12 control lever, 2 car connecting frame, 21 mounting hole, 3 limit box, 31 limit part, 32 avoidance groove, 4 protection box, 41 connecting plate, 42 connecting hole, 43 entry and exit groove, 44 positioning groove, 45 opening, 46 extrusion plate, 47 extrusion spring, 5 cover plate, 51 anti-slip strip. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example 1

[0026] See also Figure 1-5 When the elevator car is in a state of emergency, the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, and the elevator car can be put into a state of emergency, The front of the protection box 4 is provided with an opening 45, and the length and width of the opening 45 are the same as those of the connecting hole 42, and the width is greater than 15 cm, which is convenient for the user to enter the protection box 4 and operate the control rod 12.

[0027] The connecting hole 42 is in the shape of a strip, one end of the connecting hole 42 is connected to the air avoidance groove 32, the length of the air avoidance groove 32 is the same as the length of the connecting hole 42, one end of the control rod 12 is in the connecting hole 42, which is convenient for the user to pull the control rod 12 downward to move, and two radially symmetrical rows of bosses are fixedly connected to the inner walls on both sides of the inlet and outlet grooves 43. The surfaces of the bosses are fixedly sleeved with extrusion springs 47, and the other end of the extrusion spring 47 is fixedly connected to the extrusion plate 46. The extrusion spring 47 is in a compressed elastic state, so that the extrusion plate 46 has an elastic extrusion effect.

[0028] One end of the extrusion plate 46 is provided with an arc-shaped end, and the surface of the extrusion plate 46 contacts and squeezes the back side of the cover plate 5. The distance between the extrusion plates 46 is greater than the width of the opening 45. The extrusion plate 46 will not affect the user's hand insertion into the opening 45. The surface of the extrusion plate 46 is fixedly connected to a cylinder, and the outer diameter of the cylinder is the same as the outer diameter of the boss. The surface of the cylinder is fixedly sleeved with one end of the extrusion spring 47, and the boss and the cylinder ensure the connection stability of the extrusion spring 47.

[0029] When the elevator trapped person self-rescue release device is in use, the protection box 4 and the cover plate 5 are in the elevator car. When the elevator stops automatically due to a power outage, the self-rescuer can see the operation method of the control rod 12 on the surface of the cover plate 5. First, manually press the cover plate 5 into the protection box 4 to move the cover plate 5 into the entry and exit slot 43, and then move the cover plate 5 upward to open the opening 45. The self-rescuer reaches into the protection box 4 to grab the control rod 12 and pull the control rod 12 downward. Pulling the control rod 12 downward will cause the clutch of the clutch hoist 1 to operate, and then the drum of the clutch hoist 1 can release the elevator rope 11, and then the car can descend under the action of gravity, so that the car moves down to the bottom of the elevator shaft, and then escape from the car.

[0030] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. An elevator trapped person self-rescue release device, comprising a clutch hoist (1) and a car connecting frame (2), wherein an elevator rope (11) is wound around the surface of the clutch hoist (1), the clutch hoist (1) is fixedly mounted in the car connecting frame (2), and the surface of the car connecting frame (2) is provided with a mounting hole (21), characterized in that: The clutch control part of the clutch hoist (1) is provided with a control rod (12), the inner surface of the car connecting frame (2) is fixedly installed with a limit box (3), one end of the limit box (3) is provided with a limit part (31), one end of the limit part (31) is provided with a through avoidance groove (32), one end of the control rod (12) passes through the avoidance groove (32), the outer surface of the car connecting frame (2) is fixedly installed with a protection box (4), the surface of the protection box (4) is fixedly connected with a connecting plate (41), the middle position of the connecting plate (41) is provided with a connecting hole (42), the end of the protection box (4) is provided with an entry and exit groove (43), the inner wall of the entry and exit groove (43) is connected with a positioning groove (44), the inner wall of the positioning groove (44) is in contact with and squeezed with a cover plate (5), and the front of the protection box (4) is provided with an opening (45).

2. The elevator trapped person self-rescue release device according to claim 1, characterized in that: The connecting hole (42) is in the shape of a strip, one end of the connecting hole (42) is connected to the air avoidance groove (32), the length of the air avoidance groove (32) is the same as the length of the connecting hole (42), and one end of the control rod (12) is located in the connecting hole (42).

3. The elevator trapped person self-rescue release device according to claim 1, characterized in that: Two radially symmetrical rows of bosses are fixedly connected to the inner walls of both sides of the entry and exit groove (43), and a compression spring (47) is fixedly sleeved on the surface of the boss, and the other end of the compression spring (47) is fixedly connected to a compression plate (46).

4. The elevator trapped person self-rescue release device according to claim 3, characterized in that: One end of the extrusion plate (46) is provided with an arc-shaped end, the surface of the extrusion plate (46) contacts and extrude the back surface of the cover plate (5), and the distance between the extrusion plates (46) is greater than the width of the opening (45).

5. The elevator trapped person self-rescue release device according to claim 3, characterized in that: A cylinder is fixedly connected to the surface of the extrusion plate (46), the outer diameter of the cylinder is the same as the outer diameter of the boss, and the surface of the cylinder is fixedly sleeved with one end of the extrusion spring (47).

6. The elevator trapped person self-rescue release device according to claim 1, characterized in that: The cover plate (5) is made of a highly transparent plastic plate, and a non-slip strip (51) is provided on the surface of the cover plate (5).

7. The elevator trapped person self-rescue release device according to claim 1, characterized in that: The length and width of the opening (45) are the same as those of the connecting hole (42), and the width is greater than fifteen centimeters.

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