Elevator door safety device
By designing an elevator door safety device that integrates components such as movable frames, chutes, vacuum boxes and sensors, the problem of difficulty in sensing that small objects are clamped and the sliding rails are easily blocked, the safe opening and closing of the elevator door and dust cleaning are achieved, and the safety and service life of the elevator door are improved.
Patent Information
- Application Number
- CN202421045344.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The existing elevator doors are difficult to sense that small objects are being clamped, causing passengers to be injured, and the slide rails are easily blocked, resulting in inflexible opening and closing of the elevator door, which damages the elevator door.
Design an elevator door safety device, including a movable frame, a chute, an elevator door body, a vacuum box, a small fan, an infrared transmitter, an infrared sensor, a pressure sensor and an alarm, and coordinate these components through the controller to achieve safe opening and closing of the elevator door and dust cleaning.
Effectively prevent the elevator door from clamping passengers' clothes and continuing to lift and lower, improve the safety of the elevator door, and clean the elevator door chute in time to prevent the elevator door from moving inflexibly and extend the service life of the elevator door.
Smart Images
Figure CN222593124U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of elevator protection devices, and in particular to an elevator door safety device. Background Art
[0002] Elevators are elevators that serve certain floors in a building. The entire elevator structure includes the traction system, guide system, car, door system, weight balance system, electric traction system, electrical control system, and safety protection system.
[0003] In the use of existing elevators, the elevator doors often have difficulty sensing small objects being caught and continue to rise and fall, causing injuries to passengers. In addition, the elevator rails are easily clogged with impurities, causing the elevator doors to open and close inflexibly, thereby damaging the elevator doors. There is much room for improvement.
[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content
[0005] In order to solve the above-mentioned problems, the present application provides an elevator door safety device.
[0006] The elevator door safety device provided in this application adopts the following technical solution:
[0007] An elevator door safety device comprises an elevator body, a movable frame is provided on one side of the elevator body, a slide groove is provided on the inner top wall and the inner bottom wall of the movable frame, two elevator door bodies are slidably connected between the top slide groove and the bottom slide groove, the two elevator door bodies are provided with a plurality of rectangular holes, a dust box is fixedly connected to the middle part of the inner bottom wall of the movable frame, small fans are provided on both sides of the dust box, infrared transmitters are provided at both ends of the top of the dust box, infrared sensors are provided inside the elevator door bodies, an alarm is installed on one side of the elevator body, a pressure sensor is provided on one side of one of the elevator door bodies, and a controller is installed on one side of the elevator body.
[0008] Preferably, a motor is embedded in the elevator body, and a bidirectional screw rod is fixedly connected to the output end of the motor, and the bidirectional screw rod thread passes through the two elevator door bodies.
[0009] Preferably, dust inlets are provided at the bottoms of the two side walls of the dust collection box, grooves are provided on both sides of the elevator body, the two small fans are fixedly connected to the two grooves respectively, and the air inlets of the two small fans are fixedly sleeved with suction hoods, one end of the two suction hoods are respectively connected to one side wall of the two grooves, and one side of the two grooves is movably connected to a door panel.
[0010] Preferably, baffles are fixedly connected to the middle parts of the two grooves, and the baffles are connected to the small fan through an air outlet pipe.
[0011] Preferably, magnetic blocks are fixedly connected to the inner sides of the two elevator door bodies, and the magnetic poles of the opposite surfaces of the two magnetic blocks are opposite.
[0012] Preferably, the pressure sensor, alarm, infrared transmitter, infrared sensor and small fan are all electrically connected to the controller.
[0013] In summary, this application includes the following beneficial technical effects:
[0014] 1. By setting a controller, the motor can be started to drive the bidirectional screw rod to rotate, thereby driving the two elevator door bodies to move synchronously in opposite directions, which is convenient for the opening and closing of the two elevator door bodies. Once the two elevator door bodies move inward, the infrared sensor moves synchronously. When the infrared sensor cannot sense the infrared rays, the information can be transmitted to the controller. The controller receives the signal and activates the alarm to remind passengers that the door is closing to prevent passengers from being injured. When the two elevator door bodies are closed, the pressure sensor senses the pressure and transmits the signal to the controller. The controller can control the elevator to rise and fall. Once there is a foreign object between the two elevator door bodies, the pressure sensor cannot sense the pressure, and the controller will not control the elevator to rise and fall, which can prevent the elevator from clamping the passenger's clothes and continuing to rise and fall, causing damage to the passengers. Compared with the existing technology, it has the effect of comprehensively improving the safety of elevator doors;
[0015] 2. Two small fans can be started through the controller, and a strong suction force is generated in the dust box through the suction hood, so that the dust in the slide is sucked into the groove for collection. One side of the two grooves is movably connected with a door panel. The dust can be taken out by opening the door panel, preventing people from bringing dust or dirt into the slide, which makes the elevator door body inflexible. Compared with the existing technology, it has the effect of cleaning the elevator door slide in time and preventing damage to the elevator door. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;
[0017] Figure 2 is a schematic structural diagram of a bidirectional screw rod according to an embodiment of the application;
[0018] Figure 3 is a schematic structural diagram of a dust collection box according to an embodiment of the application;
[0019] Figure 4 is a schematic diagram of the structure of an infrared sensor of an embodiment of the application;
[0020] Figure 5 It is a schematic structural diagram of a small fan according to an embodiment of the application.
[0021] Explanation of the accompanying drawings: 1. Elevator body; 2. Elevator door body; 3. Rectangular hole; 4. Pressure sensor; 5. Alarm; 6. Movable frame; 7. Slide; 8. Dust box; 9. Dust inlet; 10. Infrared transmitter; 11. Motor; 12. Bidirectional screw rod; 13. Small fan; 14. Suction hood; 15. Groove; 16. Baffle; 17. Door panel; 18. Magnetic block; 19. Controller; 20. Infrared sensor. DETAILED DESCRIPTION
[0022] The following is combined with Figure 1-5 This application is described in further detail.
[0023] The present application embodiment discloses an elevator door safety device, referring to Figure 1-Figure 5, including an elevator body 1, a movable frame 6 is provided on one side of the elevator body 1, and a slide groove 7 is provided on the inner top wall and the inner bottom wall of the movable frame 6, and two elevator door bodies 2 are slidably connected between the top slide groove 7 and the bottom slide groove 7, and the two elevator door bodies 2 can slide synchronously toward the outside and the inside along the top and bottom slide grooves 7 to open and close, and the length of the movable frame 6 is twice the width of the two elevator door bodies 2, so that when the elevator door bodies 2 move toward both sides, they can be completely retracted into the elevator body 1, and the two elevator door bodies 2 are provided with a plurality of rectangular holes 3, multiple rectangular holes 3 can reduce the weight of the elevator door body 2 itself, making the opening and closing of the elevator door body 2 more flexible, and when the two elevator door bodies 2 are closed, the closing force can be reduced to prevent passengers from being pinched. A dust box 8 is fixedly connected to the middle of the inner bottom wall of the movable frame 6. Small fans 13 are arranged on both sides of the dust box 8. The small fans 13 on both sides can be started to suck away the dust in the bottom chute 7 through the dust box 8 to prevent people from bringing dust or soil into the chute 7, which causes the elevator door body 2 to move inflexibly. The dust box 8 top Infrared transmitters 10 are provided at both ends of the elevator door body 2, infrared sensors 20 are provided inside the elevator door body 2, an alarm 5 is installed on one side of the elevator body 1, a pressure sensor 4 is provided on one side of one elevator door body 2, and a controller 19 is installed on one side of the elevator body 1. When the two elevator door bodies 2 are located at both ends of the dust collection box 8, the infrared sensor 20 can sense the infrared rays emitted by the infrared transmitter 10. Once the two elevator door bodies 2 move inward, the infrared sensor 20 moves synchronously. When the infrared sensor 20 cannot sense the infrared rays, the information can be transmitted to the controller 19. The controller 19 receives the signal and starts the alarm 5 to remind the passengers that the door is closing to prevent the passengers from being injured. When the two elevator door bodies 2 are closed, the pressure sensor 4 senses the pressure and transmits the signal to the controller 19. The controller 19 can control the elevator to rise and fall. Once there is a foreign object between the two elevator door bodies 2, the pressure sensor 4 cannot sense the pressure, and the controller 19 will not control the elevator to rise and fall, which can prevent the elevator from continuing to rise and fall after clamping the passengers' clothes and causing damage to the passengers.
[0024] Reference Figure 2 The elevator body 1 is embedded with a motor 11, and the output end of the motor 11 is fixedly connected with a bidirectional screw rod 12, and the bidirectional screw rod 12 threads through the two elevator door bodies 2. The motor 11 can drive the bidirectional screw rod 12 to rotate, and then drive the two elevator door bodies 2 to move synchronously in opposite directions, so as to facilitate the opening and closing of the two elevator door bodies 2.
[0025] Reference Figure 2 , Figure 4 and Figure 5Dust inlets 9 are provided at the bottoms of the two side walls of the dust box 8 to facilitate the absorption of dust in the chute 7. Grooves 15 are provided on both sides of the elevator body 1. Two small fans 13 are fixedly connected to the two grooves 15 respectively. Air inlets of the two small fans 13 are fixedly sleeved with suction hoods 14. One end of the two suction hoods 14 is respectively connected to a side wall of the two grooves 15. The two small fans 13 can be started by the controller 19 to generate a strong suction force in the dust box 8 through the suction hoods 14, so that the dust in the chute 7 is sucked into the groove 15 for collection. One side of the two grooves 15 is movably connected with a door panel 17. The door panel 17 can be opened to take out the dust.
[0026] Reference Figure 5 The middle parts of the two grooves 15 are fixedly connected with baffles 16, which are connected to the small fan 13 through the air outlet pipe. The small fan 13 can suck the dust in and out of the other side of the baffle 16, so as to facilitate the collection and removal of dust.
[0027] Reference Figure 2 , magnetic blocks 18 are fixedly connected to the inner sides of the two elevator door bodies 2, and the opposite surfaces of the two magnetic blocks 18 have opposite magnetic poles. When the two elevator door bodies 2 are closed, the two magnetic blocks 18 attract each other, thereby stably fixing the two elevator door bodies 2.
[0028] Reference Figure 1 and Figure 4 The pressure sensor 4, the alarm 5, the infrared transmitter 10, the infrared sensor 20 and the small fan 13 are all electrically connected to the controller 19. The pressure sensor 4 and the infrared sensor 20 can transmit the sensed signals to the controller 19. After receiving the signals, the controller 19 controls the alarm 5 and the lifting and lowering of the elevator. The two small fans 13 and the infrared transmitter 10 can be synchronously controlled by the controller 19.
[0029] The implementation principle of an elevator door safety device in the embodiment of the present application is as follows: by setting a controller 19, the motor 11 can be started to drive the bidirectional screw rod 12 to rotate, thereby driving the two elevator door bodies 2 to move synchronously in opposite directions, which is convenient for the opening and closing of the two elevator door bodies 2. Once the two elevator door bodies 2 move inward, the infrared sensor 20 moves synchronously. When the infrared sensor 20 cannot sense the infrared rays, the information can be transmitted to the controller 19. The controller 19 receives the signal and starts the alarm 5 to remind the passengers that the door is closing to prevent the passengers from being injured. When the two elevator door bodies 2 are closed, the pressure sensor 4 senses the pressure and transmits the signal to the controller 19. The controller 19 can control the elevator to rise and fall. Once there is a foreign object between the two elevator door bodies 2, the pressure sensor 4 cannot sense the pressure, and the controller 19 will not control the elevator to rise and fall, which can prevent the elevator from clamping the passenger's clothes and continuing to rise and fall, causing damage to the passengers, and has the effect of comprehensively improving the safety of the elevator door.
[0030] The two small fans 13 can be started by the controller 19, and a strong suction force is generated in the dust box 8 through the suction hood 14, so that the dust in the slide groove 7 is sucked into the groove 15 for collection. One side of the two grooves 15 is movably connected with a door panel 17. The door panel 17 can be opened to take out the dust, so as to prevent people from bringing dust or dirt into the slide groove 7, which makes the elevator door body 2 inflexible. The elevator door slide groove 7 can be cleaned in time to prevent damage to the elevator door.
[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. An elevator door safety device, comprising an elevator body (1), characterized in that: A movable frame (6) is provided on one side of the elevator body (1), and a slide groove (7) is provided on the inner top wall and the inner bottom wall of the movable frame (6), and two elevator door bodies (2) are slidably connected between the top slide groove (7) and the bottom slide groove (7), and the two elevator door bodies (2) are provided with a plurality of rectangular holes (3), and a dust box (8) is fixedly connected to the middle of the inner bottom wall of the movable frame (6), and small fans (13) are provided on both sides of the dust box (8), and infrared transmitters (10) are provided at both ends of the top of the dust box (8), and infrared sensors (20) are provided inside the elevator door bodies (2), and an alarm (5) is installed on one side of the elevator body (1), and a pressure sensor (4) is provided on one side of one of the elevator door bodies (2), and a controller (19) is installed on one side of the elevator body (1).
2. An elevator door safety device according to claim 1, characterized in that: The elevator body (1) is embedded with a motor (11), the output end of the motor (11) is fixedly connected to a bidirectional screw rod (12), and the bidirectional screw rod (12) is threadedly passed through the two elevator door bodies (2).
3. An elevator door safety device according to claim 1, characterized in that: Dust inlets (9) are provided at the bottom of the two side walls of the dust collection box (8), grooves (15) are provided on both sides of the elevator body (1), the two small fans (13) are fixedly connected to the two grooves (15) respectively, and air inlets of the two small fans (13) are fixedly sleeved with air suction covers (14), one end of the two air suction covers (14) is respectively connected to one side wall of the two grooves (15), and one side of the two grooves (15) is movably connected to a door panel (17).
4. An elevator door safety device according to claim 3, characterized in that: A baffle (16) is fixedly connected to the middle of the two grooves (15), and the baffle (16) is connected to the small fan (13) through an air outlet pipe.
5. An elevator door safety device according to claim 1, characterized in that: The inner sides of the two elevator door bodies (2) are both fixedly connected with magnetic blocks (18), and the magnetic poles of the opposing surfaces of the two magnetic blocks (18) are opposite.
6. An elevator door safety device according to claim 1, characterized in that: The pressure sensor (4), alarm (5), infrared transmitter (10), infrared sensor (20) and small fan (13) are all electrically connected to the controller (19).