Rail transit ventilation device with dustproof function

Abstract

The utility model discloses a rail transit ventilation device with a dustproof function, which relates to the technical field of ventilation equipment and comprises a cement bottom plate and a ventilation shaft, the ventilation shaft communicated with the inside of a rail transit station is arranged in the middle of the cement bottom plate, and a filter screen cylinder is inserted into the ventilation shaft. A base is installed on a cement bottom plate outside the filter screen cylinder, a protection box is installed on the base, the front face of the protection box is in an inverted isosceles trapezoid shape, ventilation openings are formed in the two sides of the protection box, dust baffles are installed on the ventilation openings, an upper cover is arranged at the top of the protection box, and first screws are arranged at the four corners of the upper cover. According to the ventilation shaft protection device, the protection box with the front face in the shape of the inverted isosceles trapezoid is arranged, the dust boards are arranged on the two sides of the protection box, and the filter screen cylinder capable of being installed on the ventilation shaft is arranged in the protection box, so that double dustproof and waterproof protection on the ventilation shaft can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of ventilation and air exchange equipment technology, specifically a rail transit ventilation device with dust prevention function. Background Technology

[0002] Rail transit refers to a type of transportation vehicle or system that requires vehicles to run on specific tracks. It is typically powered by electricity and operates via wheel-rail systems. It is a fast, high-capacity form of public transportation. The ventilation shafts in rail transit systems are crucial for their operation, providing necessary ventilation and ensuring the safety and comfort of passengers.

[0003] Most existing rail transit ventilation shafts use dust-blocking louvers at the ventilation openings for dust prevention. While these louvers can prevent dust to a certain extent, the large gaps between the louvers allow some dust in the air to still enter the ventilation shaft, resulting in insufficient dust prevention from existing rail transit ventilation devices. Utility Model Content

[0004] The purpose of this invention is to provide a rail transit ventilation device with dustproof function to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A dustproof ventilation device for rail transit includes a cement base slab and a ventilation shaft. The ventilation shaft, communicating with the rail transit station, is located in the middle of the cement base slab. A filter screen is inserted into the ventilation shaft. A base is mounted on the outer cement base slab of the filter screen, and a protective box is mounted on the base. The front of the protective box is an inverted isosceles trapezoid. Ventilation openings are located on both sides of the protective box, and dust baffles are installed on the ventilation openings. A top cover is provided on the top of the protective box, and first screws are located at the four corners of the top cover. The top cover is fixedly connected to the protective box by the first screws. A motor is installed at the bottom of the top cover, and a rotating arm is mounted on the output shaft of the motor. A brush is installed at the free end of the rotating arm, and the brush is positioned close to the outer wall of the filter screen. Inside the base, a front dust collection drawer and a rear dust collection drawer are respectively located at the front and rear of the filter screen, and both sides of the drawer are slidably connected to guide rails installed on the inner walls of the base.

[0007] As a further embodiment of this utility model: the outer ends of the front dust collection drawer and the rear dust collection drawer are each equipped with an end cover, and the four corners of the end cover are equipped with second screws, and the end cover is fixedly connected to the base by the second screws.

[0008] As a further improvement of this utility model: the dust baffles are arranged at equal intervals from top to bottom, and the side cross-section of the dust baffles is arc-shaped.

[0009] As a further improvement of this utility model: the end of the front dust collection drawer and the rear dust collection drawer that is connected to the filter cylinder is provided with a semi-circular structure adapted to the filter cylinder, and the semi-circular structure is adapted to the ventilation shaft.

[0010] As a further improvement of this utility model, a handle is installed on the end cap.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model provides dual dust and water protection for ventilation shafts by setting up a protective box with an inverted isosceles trapezoidal shape on the front, setting dust baffles on both sides of the protective box, and setting a filter screen cylinder that can be installed on the ventilation shaft inside the protective box.

[0013] 2. This utility model can achieve automatic cleaning of the filter cylinder by setting a motor, rotating arm and brush, so as to eliminate the need for manual cleaning and collect the cleaned dust for easy cleaning. This makes the maintenance of the ventilation device more convenient and reduces the labor maintenance cost.

[0014] 3. This utility model features a protective box with a removable top cover, which allows for convenient maintenance and replacement of the motor and filter screen after the top cover is removed. Attached Figure Description

[0015] Figure 1 This is a front view of a rail transit ventilation device with dustproof function.

[0016] Figure 2 This is a front sectional view of a rail transit ventilation device with dust prevention function.

[0017] Figure 3 This is a top sectional view of a rail transit ventilation device with dust prevention function.

[0018] 1. Cement base slab; 2. Ventilation shaft; 3. Filter screen cylinder; 4. Base; 5. Protective box; 6. Top cover; 7. First screw; 8. Dust baffle; 9. Motor; 10. Rotating arm; 11. Brush; 12. Front dust collection drawer; 13. Rear dust collection drawer; 14. End cover; 15. Handle; 16. Guide rail; 17. Second screw. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-2 In this embodiment of the utility model, a rail transit ventilation device with dustproof function includes a cement base slab 1 and a ventilation shaft 2. A ventilation shaft 2, communicating with the interior of the rail transit station, is provided in the middle of the cement base slab 1. A filter screen cylinder 3 is inserted into the ventilation shaft 2. A base 4 is installed on the cement base slab 1 outside the filter screen cylinder 3. A protective box 5 is installed on the base 4. The front of the protective box 5 is in the shape of an inverted isosceles trapezoid. Ventilation openings are provided on both sides of the protective box 5, and dust baffles 8 are installed on the ventilation openings. The dust baffles 8 extend from top to bottom... The dust baffle 8 is set at equal intervals and has an arc-shaped side section. This design allows the dust baffle 8 to have a larger effective covering area and better dust blocking effect. The top of the protective box 5 is equipped with a cover 6, and the four corners of the cover 6 are equipped with first screws 7. The cover 6 is fixedly connected to the protective box 5 by the first screws 7. The bottom of the cover 6 is equipped with a motor 9, which is controlled by an external switch. A rotating arm 10 is installed on the output shaft of the motor 9, and a brush 11 is installed on the free end of the rotating arm 10. The brush 11 is set close to the outer wall of the filter cylinder 3.

[0021] Please see Figure 1-3 Inside the base 4, at the front and rear of the filter cylinder 3, there are front dust collection drawers 12 and rear dust collection drawers 13 respectively. Both sides are slidably connected to guide rails 16 installed on the inner walls of both sides of the base 4.

[0022] Both the front dust collection drawer 12 and the rear dust collection drawer 13 are equipped with end caps 14. The end caps 14 are equipped with second screws 17 at the four corners. The end caps 14 are fixedly connected to the base 4 by the second screws 17. The end caps 14 make it easy for personnel to open the protective box 5, which is convenient for maintenance or replacement of the motor 9 or the filter screen 3.

[0023] The front dust collection drawer 12 and the rear dust collection drawer 13 are provided with a semi-circular structure that is adapted to the filter cylinder 3 at the end where they are connected to the filter cylinder 3. The semi-circular structure is adapted to the ventilation shaft 2. The dust collection drawer designed in this way can be better adapted to the ventilation shaft 2 and can form a dust collection structure without dead angles under the filter cylinder 3, thereby making the dust collection drawer collect dust more thoroughly.

[0024] A handle 15 is installed on the end cover 14. The handle 15 makes it easy for personnel to pull the dust collection drawer out from the base 4 for cleaning.

[0025] The working principle of this utility model is as follows: When in use, the protective box 5 with an inverted isosceles trapezoidal shape on the front can make the shielding surface above the ventilation shaft 2 larger than the shielding surface below, thereby improving the rainproof effect of the ventilation device. At the same time, ventilation openings are opened on both sides of the ventilation shaft 2 to achieve two-sided ventilation, which improves the ventilation effect. The dust baffle 8 installed on the ventilation opening can initially block dust in the outside air. Then, the air entering the ventilation shaft is filtered a second time through the filter cylinder 3, so that the ventilation device has a double dustproof effect. When it is necessary to clean the filter cylinder 3, simply turn on the motor 9. The motor 9 drives the brush 11 to move in a circle around the filter cylinder 3 through the rotating arm 10, thereby sweeping away the dust on the surface of the filter cylinder 3. The swept dust falls into the front dust collection drawer 12 and the rear dust collection drawer 13. Personnel only need to open the dust collection drawer periodically to remove the dust.

[0026] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A dustproof ventilation device for rail transit, comprising a cement base slab (1) and a ventilation shaft (2), characterized in that: A ventilation shaft (2) communicating with the rail transit station is provided in the middle of the cement base plate (1). A filter screen cylinder (3) is inserted into the ventilation shaft (2). A base (4) is installed on the cement base plate (1) outside the filter screen cylinder (3). A protective box (5) is installed on the base (4). The front of the protective box (5) is in the shape of an inverted isosceles trapezoid. Ventilation openings are provided on both sides of the protective box (5). Dust baffles (8) are installed on the ventilation openings. A top cover (6) is provided on the top of the protective box (5). First screws are provided at the four corners of the top cover (6). 7) The top cover (6) is fixedly connected to the protective box (5) by the first screw (7). A motor (9) is installed at the bottom of the top cover (6). A rotating arm (10) is installed on the output shaft of the motor (9). A brush (11) is installed at the free end of the rotating arm (10). The brush (11) is set close to the outer wall of the filter cylinder (3). The base (4) is located at the front and rear of the filter cylinder (3) respectively. The two sides of the front dust collection drawer (12) and the rear dust collection drawer (13) are slidably connected to the guide rails (16) installed on the inner walls of the two sides of the base (4).

2. A dustproof ventilation device for rail transit according to claim 1, characterized in that: Both the front dust collection drawer (12) and the rear dust collection drawer (13) are equipped with end caps (14) at their outer ends. The end caps (14) are equipped with second screws (17) at their four corners. The end caps (14) are fixedly connected to the base (4) by the second screws (17).

3. A dustproof ventilation device for rail transit according to claim 1, characterized in that: The dust baffles (8) are arranged at equal intervals from top to bottom, and the side cross-section of the dust baffles (8) is arc-shaped.

4. A dustproof ventilation device for rail transit according to claim 1, characterized in that: The front dust collection drawer (12) and the rear dust collection drawer (13) are provided with a semi-circular structure that is adapted to the filter cylinder (3) at the end where they are connected to the filter cylinder (3). The semi-circular structure is adapted to the ventilation shaft (2).

5. A dustproof ventilation device for rail transit according to claim 2, characterized in that: A handle (15) is installed on the end cap (14).

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