Ventilation adjusting structure of elevator car

Abstract

The utility model relates to the technical field of elevator cars, and discloses an elevator car ventilation adjusting structure which comprises an elevator car body, the top of the elevator car body is in threaded connection with a filter box, a sliding groove is formed in the filter box, and the interior of the sliding groove is in sliding connection with a filter mechanism. The top of the filter box is fixedly connected with a ventilation opening, and a ventilation fan is installed in the ventilation opening. According to the ventilation adjusting structure of the elevator car, through the arrangement of the adjusting mechanism, when the air speed in the ventilation opening is adjusted, a driving motor in a motor box is started, the driving motor drives a rotating disc on a top rotating rod to rotate on the surface of a fixed disc, and circulating holes formed in the surfaces of the rotating disc and the fixed disc are staggered; and therefore, the effect of adjusting the air speed in the ventilation opening is achieved, adjustment can be carried out according to the actual situation, and the flexibility of equipment is improved.

Description

Technical Field

[0001] This utility model relates to the field of elevator car technology, and in particular to an air exchange and regulation structure for an elevator car. Background Technology

[0002] An elevator is a permanent transportation device that serves several specific floors within a building. Its car moves on at least two rigid tracks that are perpendicular to the horizontal plane or have an inclination angle of less than 15° from the vertical. The traction rope is connected to the car and the counterweight at both ends and is wound around the traction sheave and guide sheave. The traction motor drives the traction sheave to rotate after being reduced in speed by a reducer. The traction force generated by the friction between the traction rope and the traction sheave realizes the lifting and lowering movement of the car and the counterweight to achieve the purpose of transportation.

[0003] Elevator spaces are usually small, so ventilation systems are needed to ventilate the interior. Current ventilation systems usually do not have adjustment functions, making it difficult to adjust the ventilation effect. When ventilation is urgently needed, the air volume cannot be increased, and when the temperature is low in winter, the air volume cannot be reduced.

[0004] An elevator car with ventilation regulation function is disclosed in announcement number CN211871107U. This elevator car includes a car body with a car door, a car roof above the interior of the car body, a lighting fixture on the lower surface of the car roof, a ventilation component above the car roof, symmetrically distributed ventilation nets on the car roof, and exhaust hoods on the lower parts of the left and right end faces of the car body, with a first dustproof net inside the exhaust hood. This utility model is an elevator car with ventilation regulation function. By setting up partitions, sound-absorbing cotton boards, and electric push rods, it achieves convenient adjustment, solving the problems that current ventilation systems usually lack adjustment functions, making ventilation difficult to adjust, unable to increase airflow when ventilation is urgently needed, and unable to decrease airflow when the temperature is low in winter.

[0005] While the aforementioned patent achieves convenient adjustment through the use of partitions, sound-absorbing cotton panels, and electric push rods, solving the problems of current ventilation systems typically lacking adjustment functions, making it difficult to adjust ventilation effects, and preventing the increase of airflow when ventilation is urgently needed or the decrease of airflow when the temperature is low in winter, the device does not allow for easy removal of the internal filter for maintenance and cleaning. Over time, the filter is prone to clogging with impurities and dust, affecting airflow. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] The purpose of this utility model is to provide an air exchange and adjustment structure for an elevator car, so as to solve the problems mentioned in the background art, such as the difficulty in adjusting the ventilation effect, the inability to increase the air volume when ventilation is urgently needed inside, and the inability to reduce the air volume when the temperature is low in winter.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: an elevator car ventilation adjustment structure, comprising an elevator car body, a filter box threadedly connected to the top of the elevator car body, a sliding groove provided inside the filter box, a filter mechanism slidably connected inside the sliding groove, a vent fixedly connected to the top of the filter box, a ventilation fan installed inside the vent, a fixed plate fixedly connected inside the vent, an adjustment mechanism rotatably connected to the surface of the fixed plate, the filter mechanism comprising a filter screen slidably connected inside the sliding groove, two rotating shafts fixedly connected to one side of the filter screen, a limit plate rotatably connected to one side of the rotating shafts, and a limit block inserted into the surface of the limit plate; the adjustment mechanism comprising a rotating disk rotatably connected to the surface of the fixed disk, a rotating rod fixedly connected to the bottom of the rotating disk, and a drive motor fixedly connected to the bottom of the rotating rod.

[0010] As a further embodiment of this utility model, a motor housing is fixedly connected to the surface of the drive motor, and two connecting rods are fixedly connected to the surface of the motor housing. The connecting rods are fixedly connected to the inner wall of the vent. The motor housing serves to protect the drive motor.

[0011] As a further embodiment of this utility model, the limiting block is fixedly connected to the surface of the filter box, and a handle is fixedly connected to one side of the filter screen. The handle serves to pull the filter screen.

[0012] As a further embodiment of this utility model, the surfaces of both the rotating disk and the fixed disk are provided with a number of flow holes, and a dustproof net is installed on the top of the ventilation fan. The dustproof net serves to block dust.

[0013] As a further embodiment of this utility model, the bottom inner wall of the elevator car body is threaded with two support plates, and the top of the support plates is fixedly connected with a lifting mechanism. The lifting mechanism is used to drive the handrail to rise and fall.

[0014] As a further embodiment of this utility model, the lifting mechanism includes an electric push rod fixedly connected to the top of the support plate. One side of the electric push rod is electrically connected to a battery via a power line, thereby providing continuous power supply.

[0015] As a further embodiment of this utility model, a handrail is fixedly connected to the top of the electric push rod. The handrail is threadedly connected to the inner wall of the elevator car body, and the handrail provides a convenient gripping function.

[0016] (III) Beneficial Effects

[0017] This utility model provides a ventilation regulation structure for an elevator car, which has the following beneficial effects:

[0018] 1. The ventilation adjustment structure of this elevator car, through the setting of the adjustment mechanism, when adjusting the wind speed inside the ventilation opening, starts the drive motor inside the motor box. The drive motor drives the rotating disk on the top rotating rod to rotate on the surface of the fixed disk, causing the flow holes opened on the surface of the rotating disk and the fixed disk to be misaligned, thereby adjusting the size of the airflow orifice, thus achieving the effect of adjusting the wind speed inside the ventilation opening. It can be adjusted according to the actual situation, improving the flexibility of the equipment.

[0019] 2. The ventilation and regulation structure of this elevator car, through the setting of the filtration mechanism, allows the airflow inside the elevator car body to first enter the filter box at the top during ventilation. The filter screen inside the filter box filters out dust and impurities in the airflow. The two rotating shafts on one side of the filter screen can be rotated to separate the two limiting plates connected to the rotating side from the limiting block on one side. Then, the filter screen can be pulled to complete the disassembly process. This facilitates maintenance personnel to regularly clean and replace the filter screen inside the filter box, avoiding filter screen blockage caused by prolonged use and affecting the normal airflow. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the adjustment mechanism of this utility model;

[0022] Figure 3 This is a schematic diagram of the filter mechanism of this utility model;

[0023] Figure 4 This is a schematic diagram of the lifting mechanism of this utility model.

[0024] In the diagram: 1. Elevator car body; 2. Filter box; 3. Filtering mechanism; 301. Filter screen; 302. Rotating shaft; 303. Limiting plate; 304. Limiting block; 4. Ventilation opening; 5. Ventilation fan; 6. Fixed plate; 7. Adjustment mechanism; 701. Rotating plate; 702. Rotating rod; 703. Drive motor; 8. Motor box; 9. Connecting rod; 10. Handle; 11. Dustproof net; 12. Support plate; 13. Lifting mechanism; 1301. Electric push rod; 1302. Battery; 14. Handrail. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] Please see Figures 1 to 4 This utility model provides a technical solution: an elevator car ventilation adjustment structure, including an elevator car body 1, a filter box 2 threadedly connected to the top of the elevator car body 1, a sliding groove inside the filter box 2, and a filter mechanism 3 slidably connected inside the sliding groove. The filter mechanism 3 prevents the filter screen 301 from becoming clogged after prolonged use, thus avoiding obstruction of airflow. A ventilation opening 4 is fixedly connected to the top of the filter box 2, a ventilation fan 5 is installed inside the ventilation opening 4, and a fixed plate 6 is fixedly connected inside the ventilation opening 4. An adjustment mechanism 7 is rotatably connected to the surface of the fixed plate 6. The adjustment mechanism allows for the adjustment of the ventilation opening 5 to the airflow. The mechanism 7 is designed to adjust the airflow speed inside the vent 4, which can be adjusted according to the actual situation, thus improving the flexibility of the equipment. The filter mechanism 3 includes a filter screen 301 slidably connected inside the slide groove. Two rotating shafts 302 are fixedly connected to one side of the filter screen 301. A limiting plate 303 is rotatably connected to one side of the rotating shaft 302. A limiting block 304 is inserted into the surface of the limiting plate 303. The adjustment mechanism 7 includes a rotating disk 701 rotatably connected to the surface of the fixed disk 6. A rotating rod 702 is fixedly connected to the bottom of the rotating disk 701. A drive motor 703 is fixedly connected to the bottom of the rotating rod 702.

[0027] A motor housing 8 is fixedly connected to the surface of the drive motor 703. Two connecting rods 9 are fixedly connected to the surface of the motor housing 8. The connecting rods 9 are fixedly connected to the inner wall of the vent 4. The motor housing 8 serves to protect the drive motor 703.

[0028] The limiting block 304 is fixedly connected to the surface of the filter box 2, and a handle 10 is fixedly connected to one side of the filter screen 301. The handle 10 is used to pull the filter screen 301.

[0029] Both the rotating disk 701 and the fixed disk 6 have several flow holes on their surfaces. The top of the ventilation fan 5 is equipped with a dustproof net 11, which helps to block dust.

[0030] The bottom inner part of the elevator car body 1 is threaded with two support plates 12, and the top of the support plates 12 is fixedly connected with a lifting mechanism 13. The lifting mechanism 13 plays the role of driving the handrail 14 to rise and fall.

[0031] The lifting mechanism 13 includes an electric push rod 1301 fixedly connected to the top of the support plate 12. One side of the electric push rod 1301 is electrically connected to a battery 1302 via a power line. The battery 1302 provides continuous power supply.

[0032] The top of the electric push rod 1301 is fixedly connected to a handrail 14, which is threaded to the inner wall of the elevator car body 1. The handrail 14 is designed to facilitate gripping.

[0033] In this invention, the working steps of the device are as follows:

[0034] First step: When adjusting the wind speed inside the vent 4, start the drive motor 703 inside the motor box 8. The drive motor 703 drives the rotating disk 701 on the top rotating rod 702 to rotate on the surface of the fixed disk 6, so that the flow holes opened on the surface of the rotating disk 701 and the fixed disk 6 are misaligned, thereby adjusting the size of the airflow orifice.

[0035] The second step: During ventilation, the airflow inside the elevator car body 1 first enters the filter box 2 at the top. The filter screen 301 installed inside the filter box 2 filters the dust and impurities in the airflow. The two rotating shafts 302 on one side of the filter screen 301 can be rotated to separate the two limiting plates 303 connected to the rotating side from the limiting block 304 on one side. Then, the filter screen 301 can be pulled to complete the disassembly of the filter screen 301, which is convenient for maintenance personnel to clean and replace the filter screen 301 inside the filter box 2 regularly.

[0036] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0037] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ventilation and regulation structure for an elevator car, comprising an elevator car body (1), characterized in that: A filter box (2) is threadedly connected to the top of the elevator car body (1). A sliding groove is provided inside the filter box (2), and a filter mechanism (3) is slidably connected inside the sliding groove. A vent (4) is fixedly connected to the top of the filter box (2). A ventilation fan (5) is installed inside the vent (4). A fixed plate (6) is fixedly connected inside the vent (4), and an adjustment mechanism (7) is rotatably connected to the surface of the fixed plate (6). The filtering mechanism (3) includes a filter screen (301) slidably connected inside the slide groove. Two rotating shafts (302) are fixedly connected to one side of the filter screen (301). A limiting plate (303) is rotatably connected to one side of the rotating shaft (302). A limiting block (304) is inserted into the surface of the limiting plate (303). The adjustment mechanism (7) includes a rotating disk (701) rotatably connected to the surface of the fixed disk (6), a rotating rod (702) fixedly connected to the bottom of the rotating disk (701), and a drive motor (703) fixedly connected to the bottom of the rotating rod (702).

2. The ventilation and regulation structure for an elevator car according to claim 1, characterized in that: The surface of the drive motor (703) is fixedly connected to a motor housing (8), and the surface of the motor housing (8) is fixedly connected to two connecting rods (9), which are fixedly connected to the inner wall of the vent (4).

3. The ventilation and regulating structure for an elevator car according to claim 1, characterized in that: The limiting block (304) is fixedly connected to the surface of the filter box (2), and a handle (10) is fixedly connected to one side of the filter screen (301).

4. The ventilation regulation structure for an elevator car according to claim 1, characterized in that: The surfaces of the rotating disk (701) and the fixed disk (6) are provided with several flow holes, and the top of the ventilation fan (5) is equipped with a dustproof net (11).

5. The ventilation and regulating structure for an elevator car according to claim 1, characterized in that: The bottom of the elevator car body (1) is threaded with two support plates (12), and the top of the support plates (12) is fixedly connected with a lifting mechanism (13).

6. The ventilation and regulating structure for an elevator car according to claim 5, characterized in that: The lifting mechanism (13) includes an electric push rod (1301) fixedly connected to the top of the support plate (12), and a battery (1302) is electrically connected to one side of the electric push rod (1301) via a power line.

7. The ventilation and regulating structure for an elevator car according to claim 6, characterized in that: The top of the electric push rod (1301) is fixedly connected to a handrail (14), which is threaded to the inner wall of the elevator car body (1).

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