Elevator car door opening and closing control device

Abstract

The utility model discloses an elevator car door opening and closing control device, which relates to the technical field of elevator door control, and comprises a mounting plate and a protection box, the lower side of the front end of the mounting plate is fixedly connected with a pair of supporting plates, the upper side of the front end of the mounting plate is rotatably provided with a pressing plate, and the protection box is arranged between the supporting plates and the pressing plate. The supporting plate is fixedly connected with the supporting plate through mutual cooperation of a fixing screw rod and a threaded sleeve, a filtering assembly is arranged at the left end of the protection box, a fan is arranged at the right end of the protection box, and cooling fins are arranged at the top end of the protection box; according to the device, the protection box can be fixed and unfixed by the pressing plate only by rotating the two fixing screws, follow-up overhaul and maintenance are facilitated, meanwhile, an air flowing channel is formed through the heat conduction plate, the cooling fins, the fan and the cooling channel, cooling in the box is accelerated, external dust impurities and water vapor can be isolated through cooperation of a filter screen, a drying silicon plate and a dustproof net, and the service life of the device is prolonged. And internal parts are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator door control, in particular to an elevator car door opening and closing control device. Background Art

[0002] An elevator is a vertical lift powered by an electric motor and equipped with a box-shaped cabin. It is used to carry people or goods in multi-story buildings. In the daily use of elevators, the elevator car door opening and closing control device is a very important subsystem in the elevator control system. Compared with the entire elevator control system, since it operates most frequently, it must be guaranteed to be safe, reliable, and stable in actual application to serve passengers.

[0003] Traditional elevator car door opening and closing safety control devices are difficult to disassemble and assemble, which makes maintenance inconvenient; at the same time, they cannot be dust-proof and heat-dissipating, and the heat dissipation efficiency is low, resulting in a short service life of the device. Based on this, this solution provides an elevator car door opening and closing control device to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above technical problems, an elevator car door opening and closing control device is provided. This technical solution solves the problem that the traditional elevator car door opening and closing safety control device proposed in the above background technology is difficult to disassemble and assemble, which makes maintenance more inconvenient; at the same time, it cannot perform dust prevention and heat dissipation, and the heat dissipation efficiency is low, resulting in a short service life of the device.

[0005] In order to achieve the above purpose, the technical solution adopted by this utility model is:

[0006] A device for opening and closing an elevator car door comprises a mounting plate and a protective box, wherein a pair of support plates are fixedly connected to the lower front end side of the mounting plate, and positioning grooves are provided at the upper ends of the two support plates, a pressure plate is rotatably installed on the upper front end side of the mounting plate, and a limiting groove is provided at the lower end of the pressure plate, and the protective box is arranged between the support plate and the pressure plate, and the support plate is fixedly connected to the support plate by means of a fixing screw and a threaded sleeve, and the upper end of the protective box matches the limiting groove, and the lower end of the protective box matches the positioning groove, a filter assembly is provided at the left end of the protective box, a fan is provided at the right end of the protective box, and heat dissipation fins are provided at the top of the protective box.

[0007] Preferably, a pair of threaded sleeves are provided, and the two threaded sleeves are respectively fixedly mounted on the upper ends of the two support plates, the upper end knob of the fixed screw limits the top end of the pressure plate, and the lower end of the fixed screw passes through the pressure plate and is threadedly connected to the threaded sleeve.

[0008] Preferably, an air inlet is provided at the left end of the protective box, an air outlet is provided at the right end of the protective box, the fan is fixedly installed inside the air outlet, and a box door is rotatably installed at the front end of the protective box.

[0009] Preferably, the interior of the protective box is fixedly installed with a compartment door opening and closing device body, the top of the compartment door opening and closing device body is fixedly connected with a heat conducting plate, the connection between the heat conducting plate and the compartment door opening and closing device body is provided with heat dissipating silicone grease, the top of the heat conducting plate is fixedly connected with several groups of heat dissipating fins, and the other end of the heat dissipating fins passes through the top plate of the protective box and extends out.

[0010] Preferably, the filter assembly includes a fixed frame, the middle part of the fixed frame is hollowed out and connected to the air inlet, and two sets of mounting frames are slidably mounted on the upper end of the fixed frame, and the interiors of the two sets of mounting frames are respectively provided with a filter screen and a drying silicon plate.

[0011] Preferably, the right end of the protective box is fixedly connected to a heat dissipation channel, the size of the heat dissipation channel is larger than the size of the air outlet, and the right end of the heat dissipation channel is threadedly connected to a dustproof net.

[0012] Compared with the prior art, the present invention proposes an elevator car door opening and closing control device with the following features:

[0013] Beneficial effects:

[0014] 1. The utility model is provided with a support plate and a pressure plate, and a positioning groove is provided at the upper end of the support plate for positioning the protective box, which cooperates with the limit groove at the lower end of the pressure plate so that after the pressure plate is closed toward the support plate, the protective box is positioned and constrained between the pressure plate and the support plate. Subsequently, the fixing screw is rotated so that the lower end of the fixing screw is threadedly connected to the threaded sleeve, and then the upper end knob of the fixing screw limits the pressure plate, thereby completing the fixation of the pressure plate to the protective box. The device is simple to disassemble and assemble the protective box. Only two fixing screws need to be rotated to fix and release the pressure plate to the protective box, which is convenient for subsequent regular inspection and maintenance of the device.

[0015] 2. In the utility model, the main body of the door opening and closing device is arranged inside the protective box. A heat conducting plate and heat dissipating fins are provided on the top of the door opening and closing device body. The heat on the surface of the device body can be absorbed by the heat conducting plate and conducted to the heat dissipating fins and the outside air. The heat dissipating fins can increase the contact area of ​​the air, thereby improving the natural heat dissipation rate. At the same time, an air inlet is provided on the left side of the protective box, and a fan and a heat dissipation channel are provided on the right side, thereby forming an air flow path to accelerate the heat dissipation in the box.

[0016] 3. In the present invention, a filter screen and a drying silicon plate are provided at the air inlet, and a dustproof net is provided at the outlet of the heat dissipation channel. The filter screen and the dustproof net cooperate to isolate external dust and impurities, and cooperate with the fan to form a dust-proof air flow path, so that the internal parts will not be affected by external dust, and the drying silicon plate is responsible for drying the air to ensure that the heat dissipation airflow does not contain water vapor that affects the parts. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the internal structure of the protective box in the present utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the support plate and the pressure plate in the present invention when unlocking;

[0020] Figure 4 For this utility model Figure 2 A schematic diagram of the structure at point A in the figure.

[0021] The numbers in the figure are:

[0022] 1. Mounting plate; 2. Support plate; 201. Positioning slot; 3. Press plate; 301. Limiting slot; 4. Fixing screw; 5. Threaded sleeve; 6. Protective box; 601. Air inlet; 602. Air outlet; 7. Box door; 8. Filter assembly; 801. Fixed frame; 802. Mounting frame; 803. Filter; 804. Drying silicon plate; 9. Door opening and closing device body; 10. Heat conduction plate; 11. Heat dissipation fins; 12. Fan; 13. Heat dissipation channel; 14. Dust net. DETAILED DESCRIPTION

[0023] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0024] Reference Figure 1-4As shown, a device for opening and closing the door of an elevator car comprises a mounting plate 1 and a protective box 6. A pair of support plates 2 are fixedly connected to the lower front end side of the mounting plate 1. Positioning grooves 201 are provided at the upper ends of the two support plates 2. A pressure plate 3 is rotatably installed on the upper front end side of the mounting plate 1. A limiting groove 301 is provided at the lower end of the pressure plate 3. The protective box 6 is arranged between the support plate 2 and the pressure plate 3. The support plate 2 is fixedly connected to the support plate 2 by means of a fixing screw 4 and a threaded sleeve 5. The upper end of the protective box 6 matches the limiting groove 301, and the lower end of the protective box 6 matches the positioning groove 201. A filter assembly 8 is provided at the left end of the protective box 6, a fan 12 is provided at the right end of the protective box 6, and a heat dissipation fin 11 is provided at the top of the protective box 6. A positioning groove 201 is provided at the upper end of the support plate 2 for positioning the protective box 6, which cooperates with the limit groove 301 at the lower end of the pressure plate 3, so that after the pressure plate 3 is closed toward the support plate 2, the protective box 6 is positioned and constrained between the pressure plate 3 and the support plate 2, and then the fixing screw 4 is rotated so that the lower end of the fixing screw 4 is threadedly connected to the threaded sleeve 5, and then the upper end knob of the fixing screw 4 limits the pressure plate 3, thereby completing the fixation of the pressure plate 3 to the protective box 6. The disassembly and assembly operation of the protective box 6 of this device is very simple. Only two fixing screws 4 need to be rotated to achieve the fixing and release of the pressure plate 3 to the protective box 6, which is convenient for subsequent regular inspection and maintenance of the device.

[0025] Specifically, in this embodiment, a pair of threaded sleeves 5 are provided, and the two threaded sleeves 5 are respectively fixedly installed on the upper ends of the two support plates 2. The upper end knob of the fixed screw 4 limits the top end of the pressure plate 3, and the lower end of the fixed screw 4 passes through the pressure plate 3 and is threadedly connected to the threaded sleeve 5.

[0026] Specifically, in this embodiment, an air inlet 601 is opened at the left end of the protective box 6, an air outlet 602 is opened at the right end of the protective box 6, the fan 12 is fixedly installed inside the air outlet 602, and a box door 7 is rotatably installed at the front end of the protective box 6.

[0027] Specifically, in this embodiment, the interior of the protective box 6 is fixedly installed with a door opening and closing device body 9, the top of which is fixedly connected to a heat conducting plate 10, the connection between the heat conducting plate 10 and the door opening and closing device body 9 is provided with heat dissipation silicone grease, the top of the heat conducting plate 10 is fixedly connected to a plurality of groups of heat dissipation fins 11, the other end of the heat dissipation fins 11 passes through the top plate of the protective box 6 and extends out. The heat conducting plate 10 and the heat dissipation silicone grease can absorb the heat on the surface of the device body and conduct it to the heat dissipation fins 11 and the outside air. The heat dissipation fins 11 can increase the contact area of ​​the air, thereby improving the natural heat dissipation rate. At the same time, the left side of the protective box 6 is provided with an air inlet, and the right side is provided with a fan 12 and a heat dissipation channel 13, thereby forming an air flow path to accelerate the heat dissipation inside the box.

[0028] Specifically, in this embodiment, the filter assembly 8 comprises a fixed frame 801, the middle portion of which is hollowed out and connected to the air inlet 601. Two sets of mounting brackets 802 are slidably mounted on the upper end of the fixed frame 801. Each set of mounting brackets 802 houses a filter 803 and a drying silicon plate 804, respectively. A heat dissipation channel 13 is fixedly connected to the right end of the protective box 6. The channel 13 is larger than the air outlet 602, and a dust screen 14 is threadedly connected to the right end of the channel 13. The filter 803 and drying silicon plate 804 are located at the air inlet 601, while the dust screen 14 is located at the outlet of the channel 13. The filter 803 and dust screen 14 work together to isolate external dust and impurities. Together with the fan 12, they form a dust-proof air flow path, protecting internal components from dust. The drying silicon plate 804 dries the air, ensuring that the heat dissipation airflow contains no moisture that could affect the components.

[0029] The working principle of the present utility model is: the worker places the lower end of the protective box 6 in the positioning groove 201, and then rotates the pressure plate 3 toward the support plate 2, so that the limit groove 301 is engaged with the upper end of the protective box 6, and the protective box 6 is positioned and constrained between the pressure plate 3 and the support plate 2, and then by rotating the fixing screw 4, the lower end of the fixing screw 4 is threadedly connected to the threaded sleeve 5, and then the upper end knob of the fixing screw 4 limits the pressure plate 3, thereby completing the fixation of the pressure plate 3 to the protective box 6. The disassembly and assembly operation of the protective box 6 by this device is very simple. Only two fixing screws 4 need to be rotated to achieve the fixing and release of the pressure plate 3 to the protective box 6, which is convenient for subsequent regular inspection and maintenance of the device.

[0030] When the door opening and closing device body 9 is in operation, a large amount of heat will be generated. Part of the heat can be absorbed from the surface of the device body through the heat conduction plate 10 at the top and the heat dissipation silicone grease, and then transferred to the heat dissipation fins 11 and the outside air. The heat dissipation fins 11 can increase the contact area of ​​the air, thereby improving the natural heat dissipation rate. At the same time, an air inlet is provided on the left side of the protective box 6, and a fan 12 and a heat dissipation channel 13 are provided on the right side, thereby forming an air flow path to accelerate the heat dissipation inside the box.

[0031] During the air cooling process, a filter 803 and a drying silicon plate 804 are provided at the air inlet 601, and a dustproof net 14 is provided at the outlet of the heat dissipation channel 13. The filter 803 and the dustproof net 14 cooperate to isolate external dust and impurities, and cooperate with the fan 12 to form a dust-proof air flow path, so that the internal parts will not be affected by external dust, and the drying silicon plate 804 is responsible for drying the air to ensure that the heat dissipation airflow does not contain water vapor that affects the parts.

[0032] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. An elevator car door opening and closing control device, characterized in that: The utility model comprises a mounting plate (1) and a protective box (6), wherein a pair of support plates (2) are fixedly connected to the lower front end of the mounting plate (1), and a positioning groove (201) is provided at the upper ends of the two support plates (2); a pressure plate (3) is rotatably mounted on the upper front end of the mounting plate (1), and a limiting groove (301) is provided at the lower end of the pressure plate (3); the protective box (6) is arranged between the support plate (2) and the pressure plate (3); the support plate (2) is fixedly connected to the support plate (2) by means of a fixing screw (4) and a threaded sleeve (5), and the upper end of the protective box (6) matches the limiting groove (301), and the lower end of the protective box (6) matches the positioning groove (201); a filter assembly (8) is provided at the left end of the protective box (6), a fan (12) is provided at the right end of the protective box (6), and a heat dissipation fin (11) is provided at the top end of the protective box (6).

2. An elevator car door opening and closing control device according to claim 1, characterized in that: A pair of threaded sleeves (5) are provided, and the two threaded sleeves (5) are fixedly mounted on the upper ends of the two support plates (2), respectively. The upper end knob of the fixing screw (4) limits the top end of the pressure plate (3), and the lower end of the fixing screw (4) passes through the pressure plate (3) and is threadedly connected to the threaded sleeve (5).

3. The elevator car door opening and closing control device according to claim 1, characterized in that: The left end of the protection box (6) is provided with an air inlet (601), the right end of the protection box (6) is provided with an air outlet (602), the fan (12) is fixedly installed inside the air outlet (602), and the front end of the protection box (6) is rotatably provided with a box door (7).

4. The elevator car door opening and closing control device according to claim 1, characterized in that: A door opening and closing device body (9) is fixedly installed inside the protection box (6), a heat conducting plate (10) is fixedly connected to the top of the door opening and closing device body (9), heat dissipation silicone grease is provided at the connection between the heat conducting plate (10) and the door opening and closing device body (9), a plurality of heat dissipation fins (11) are fixedly connected to the top of the heat conducting plate (10), and the other end of the heat dissipation fin (11) passes through the top plate of the protection box (6) and extends out.

5. The elevator car door opening and closing control device according to claim 1, characterized in that: The filter assembly (8) comprises a fixed frame (801), the middle portion of the fixed frame (801) is hollowed out and communicates with the air inlet (601), and two sets of mounting frames (802) are slidably mounted on the upper end of the fixed frame (801), wherein the interiors of the two sets of mounting frames (802) are respectively provided with a filter screen (803) and a drying silicon plate (804).

6. The elevator car door opening and closing control device according to claim 1, characterized in that: The right end of the protection box (6) is fixedly connected to a heat dissipation channel (13), the size of the heat dissipation channel (13) is larger than the size of the air outlet (602), and the right end of the heat dissipation channel (13) is threadedly connected to a dustproof net (14).

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