Ventilation device for elevator shaft

Abstract

The utility model relates to the technical field of elevator shaft ventilation, and discloses an elevator shaft ventilation device which comprises a screw rod, sliding sleeves are slidably arranged on the screw rod, fixing nuts matched with the screw rod are rotatably connected to the bottoms of the sliding sleeves, a ventilation box is connected between the sliding sleeves on the two sides, and a filter screen is detachably installed on the surface of the ventilation box. Damping sliding rails are symmetrically fixed to the outer wall of the filter screen, and a movable ventilation box is arranged on the damping sliding rails. Through the design of the fixing heads and the fixing holes of the connecting blocks, it is ensured that the screw rods are stably installed on the inner wall of the hoistway, the sliding sleeves are matched with the fixing nuts, the installation distance and height of the ventilation box can be flexibly adjusted, and the ventilation box is adaptive to hoistways of different sizes. The filter screen is detachably designed, pollutants are efficiently intercepted, and maintenance is convenient; a damping sliding groove of the ventilation box is matched with a damping sliding rail, and the ventilation direction and range can be accurately adjusted. The fan drives air circulation, the protective cover protects equipment, multiple components operate cooperatively, clean ventilation of air in a shaft is guaranteed, the elevator operation safety is improved, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] This application relates to the field of elevator shaft ventilation technology, and in particular to an elevator shaft ventilation and air exchange device. Background Technology

[0002] As an enclosed space for elevator operation, the air circulation within the elevator shaft directly affects the operational safety and lifespan of the elevator equipment. Traditional elevator shaft ventilation systems often employ fixed vents or a single exhaust fan design. The location and size of the vents are fixed, making it difficult to adapt to the actual needs of elevator shafts of different specifications. This results in poor ventilation in some areas, causing moisture, odors, and heat generated by elevator operation to accumulate in the shaft, accelerating the aging of elevator components and even causing electrical malfunctions.

[0003] In addition, the ventilation direction and range of the existing device cannot be adjusted, making it difficult to accurately ventilate areas with weak air circulation in the shaft. Furthermore, it lacks air filtration function, allowing external dust and debris to easily enter the shaft, contaminating the elevator equipment and increasing maintenance costs.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0005] To address the problem that traditional elevator shaft ventilation systems often employ fixed ventilation openings or single exhaust fans, with fixed opening positions and sizes that are difficult to adapt to the actual needs of elevator shafts of different specifications, this application provides an elevator shaft ventilation and air exchange device.

[0006] The elevator shaft ventilation and air exchange device provided in this application adopts the following technical solution:

[0007] An elevator shaft ventilation device includes a screw, a sliding sleeve slidably mounted on the screw, a fixing nut adapted to the screw being rotatably connected to the bottom of the sliding sleeve, a ventilation box connected between the two sides of the sliding sleeve, a filter screen detachably mounted on the surface of the ventilation box, damping slide rails symmetrically fixed to the outer wall of the filter screen, and a movable ventilation box mounted on the damping slide rails.

[0008] Preferably, a protective cover is fixed to the middle of the outer wall of the ventilation box by screws, and a fan is installed inside the ventilation box.

[0009] Preferably, each corner of the ventilation box is provided with a damping groove adapted to the damping slide rail, and the damping slide rail is fixed to the outer wall of the ventilation box with screws.

[0010] Preferably, both ends of the screw are integrally welded with fixing heads, and the ends of the fixing heads are welded with connecting blocks. The connecting blocks have several fixing holes for positioning inside.

[0011] Preferably, a reinforcing block is welded to the inner wall of the sliding sleeve, and the end of the reinforcing block away from the sliding sleeve is welded to the outer wall of the ventilation box.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] This application utilizes the fixing hole design of the fixing head and connecting block to ensure the screw is securely installed on the inner wall of the shaft. The sliding sleeve, in conjunction with the fixing nut, allows for flexible adjustment of the ventilation box's installation spacing and height, adapting to shafts of different sizes. The removable filter design efficiently intercepts contaminants and facilitates maintenance. The damping groove and damping rail of the ventilation box work together to precisely adjust the ventilation direction and range. A fan drives air circulation, a protective cover safeguards the equipment, and multiple components work together to ensure clean airflow in the shaft, improving elevator operational safety and extending equipment lifespan. Attached Figure Description

[0014] Figure 1 This is a front view of an elevator shaft ventilation and air exchange device according to an embodiment of the application.

[0015] Figure 2 This is a schematic diagram of the ventilation box in the embodiment of the application.

[0016] Figure 3 This is a structural schematic diagram of the ventilation box in the embodiment of the application.

[0017] Explanation of reference numerals in the attached drawings: 1. Ventilation box; 2. Screw; 3. Sliding sleeve; 4. Fixing nut; 5. Air exchange box; 6. Protective cover; 7. Fan; 8. Damping slide groove; 9. Damping slide rail; 10. Filter screen; 11. Fixing head; 12. Connecting block; 13. Reinforcing block. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0019] This application discloses a ventilation and air exchange device for elevator shafts. (Refer to...) Figures 1-3The system includes a screw 2, with fixed heads 11 integrally welded to both ends. A connecting block 12 is welded to the end of each fixed head 11, and the connecting block 12 has several fixing holes for positioning. Using the fixing holes in the connecting block 12 at the end of the fixed head 11, the screw 2 can be securely installed on the inner wall of the elevator shaft, providing a stable support foundation. A sliding sleeve 3 is slidably mounted on the screw 2. A fixing nut 4, compatible with the screw 2, is rotatably connected to the bottom of the sliding sleeve 3. A ventilation box 1 is connected between the two sliding sleeves 3. A reinforcing block 13 is welded to the inner wall of the sliding sleeve 3, and the end of the reinforcing block 1 away from the sliding sleeve 3 is welded to the outer wall of the ventilation box 1. The sliding adjustment function of the sliding sleeve 3 in conjunction with the fixing nut 4 on the screw 2 allows for flexible adjustment of the installation spacing and height of the ventilation box 1 according to the shaft dimensions.

[0020] like Figure 3 As shown, a filter screen 10 is detachably installed on the surface of the ventilation box 1. Damping slide rails 9 are symmetrically fixed to the outer wall of the filter screen 10. A movable air exchange box 5 is mounted on the damping slide rails 9. A protective cover 6 is fixed to the middle of the outer wall of the air exchange box 5 by screws. The detachably installed filter screen 10 on the surface of the ventilation box 1 can effectively intercept dust, debris, and other pollutants, preventing them from entering the shaft and affecting the operation of the elevator equipment. At the same time, the filter screen 10 is easy to disassemble, clean, or replace, ensuring the long-term efficient operation of the ventilation system.

[0021] In this application, a fan 7 is installed inside the ventilation box 5, and damping grooves 8 adapted to damping slide rails 9 are provided at the corners of the ventilation box 5. The damping slide rails 9 are fixed to the outer wall of the ventilation box 1 with screws. The ventilation box 5 achieves stable stopping at any position by means of the damping characteristics through the cooperation of the damping grooves 8 and the damping slide rails 9.

[0022] The implementation principle of the elevator shaft ventilation device in this application embodiment is as follows:

[0023] During installation, the screw 2 is fixed to a preset position on the inner wall of the elevator shaft using the fixing hole in the connecting block 12 at the end of the fixing head 11, thus providing a stable foundation for the device. Since the sliding sleeve 3 can slide on the screw 2, and the fixing nut 4 connected to the bottom can be threaded with the screw 2, the distance and height of the sliding sleeves 3 on the screw 2 can be adjusted by turning the fixing nut 4, thereby flexibly adjusting the installation position of the ventilation box 1 to adapt to elevator shafts of different sizes. The reinforcing block 13 on the inner wall of the sliding sleeve 3 is welded to the ventilation box 1 to enhance the overall structural stability. During ventilation, the filter screen 10 is detachably installed on the surface of the ventilation box 1 to intercept dust and debris in the air, ensuring the cleanliness of the air entering the shaft. The ventilation box 5 is slidably connected to the damping rail 9 on the surface of the ventilation box 1 via the damping groove 8 on its outer wall. Due to its damping characteristics, the ventilation box 5 can be stably stopped at any position, facilitating adjustments to the ventilation direction and range according to the actual needs of the shaft.

[0024] When the fan 7 inside the air exchange box 5 is started, the fan 7 generates suction, drawing air from the shaft, filtering it through the filter 10, and then discharging it. Simultaneously, fresh outside air enters the shaft through the ventilation box 1, creating air circulation. The protective cover 6 outside the air exchange box 5 prevents the fan 7 from being damaged by impacts from external objects, extending the equipment's service life. Through the coordinated operation of these components, continuous air renewal is achieved within the elevator shaft, maintaining air quality and ensuring the safe and stable operation of the elevator.

[0025] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0026] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0027] 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 within the protection scope of the present utility model.

[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A ventilation and air exchange device for elevator shafts, comprising a screw (2), characterized in that: The screw (2) is slidably provided with a sliding sleeve (3), and the bottom of the sliding sleeve (3) is rotatably connected with a fixing nut (4) adapted to the screw (2). A ventilation box (1) is connected between the two sliding sleeves (3). A filter screen (10) is detachably installed on the surface of the ventilation box (1). A damping slide rail (9) is symmetrically fixed on the outer wall of the filter screen (10). A movable air exchange box (5) is provided on the damping slide rail (9).

2. The ventilation and air exchange device for an elevator shaft according to claim 1, characterized in that: The ventilation box (5) has a protective cover (6) fixed to the middle of its outer wall by screws, and a fan (7) is installed inside the ventilation box (5).

3. The ventilation and air exchange device for an elevator shaft according to claim 1, characterized in that: The ventilation box (5) is provided with damping grooves (8) at each corner that are adapted to the damping slide rail (9), and the damping slide rail (9) is fixed to the outer wall of the ventilation box (1) with screws.

4. The elevator shaft ventilation and air exchange device according to claim 1, characterized in that: Both ends of the screw (2) are integrally welded with a fixing head (11), and the end of the fixing head (11) is welded with a connecting block (12). The connecting block (12) has several fixing holes for positioning inside.

5. The ventilation and air exchange device for an elevator shaft according to claim 1, characterized in that: The inner wall of the sliding sleeve (3) is welded with a reinforcing block (13), and the end of the reinforcing block (13) away from the sliding sleeve (3) is welded to the outer wall of the ventilation box (1).

Images