Ventilation pipeline with filtering structure

Abstract

The utility model relates to the technical field of building ventilation, and discloses a ventilation pipeline with a filtering structure, which comprises a pipeline main body, a top plate is arranged in the middle of the top end of the pipeline main body, first holes are formed in the left and right ends of the top plate, and second holes are formed in the middle of the top sides of the left and right ends of the pipeline main body; the inner walls of the first holes and the second holes are provided with pull rods, the outer wall of the pull rod at the right end is provided with a spring, one end of the spring is connected with a limiting plate, and the other end of the spring is connected to the right side of the middle of the outer wall of the pull rod. According to the filter screen, the pull rod, the top plate and the handle are matched with one another, the handle can be lifted by pulling the pull rod through the handle, then the filter screen is disassembled through the L-shaped tenons and the mortises, the filter screen is more convenient to clean and maintain due to the design of the filter screen easy to disassemble, and an operator can easily take down the filter screen; and then, the device is mounted on the ventilation pipeline again, so that the time and the labor cost are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of building ventilation, in particular to a ventilation duct with a filtering structure. Background Art

[0002] Ventilation ducts are used to discharge indoor polluted air or harmful smoke and dust directly or after treatment to the outside; they also deliver fresh air into the room to dilute the concentration of harmful substances and provide people with normal fresh air needs.

[0003] At present, ventilation ducts with filtering systems need to be frequently disassembled to clean and maintain the filters, and the existing ventilation ducts are mostly one-piece structures, and the filters are mostly fixed to the ports by bolts or the like, so that a large number of bolts need to be screwed when the filters are disassembled and installed for cleaning, which is very troublesome to operate. In this regard, in order to solve this technical problem, the present application proposes a ventilation duct with a filtering structure. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a ventilation duct with a filtering structure is proposed. Through the cooperation of a pull rod, a top plate and a handle, the pull rod is pulled through the handle to lift the handle, and then the filter screen is disassembled through the L-shaped tenon and the mortise and tenon. The easily detachable filter screen design makes cleaning and maintenance more convenient. The operator can easily remove the filter screen, and then clean the dirt and accumulation therein, and then reinstall it on the ventilation duct, saving time and labor costs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ventilation duct with a filtering structure, comprising a duct body, a top plate is arranged in the middle of the top end of the duct body, a No. 1 hole is opened at both the left and right ends of the top plate, a No. 2 hole is opened in the middle of the top side at both the left and right ends of the duct body, the inner walls of the No. 1 hole and the No. 2 hole are arranged with pull rods, the outer wall of the pull rod at the right end is arranged with a spring, one end of the spring is connected to a limiting plate, and the other end is connected to the right side of the middle of the outer wall of the pull rod.

[0006] Furthermore, a mortise and tenon is provided at the bottom end of the top plate, and the bottom end of the mortise and tenon is sequentially connected with a primary filter, a PP cold-touch filter and a HEPA filter from front to back through an L-shaped tenon.

[0007] Furthermore, mounting frames are installed at four locations on both sides of the left and right ends of the pipe body, and a second limit block is fixedly connected to one end of the mounting frame close to the pipe body, and a first limit block is fixedly connected to the top and bottom ends of the mounting frame.

[0008] Furthermore, a plurality of grooves are provided on the outer wall of the pipe body, and the first limit block and the second limit block are both installed in the grooves.

[0009] Furthermore, a fixing hole is provided at the top of the mounting frame, the fixing hole is connected to a No. 1 fixing frame via bolts, and a mounting plate is fixedly connected to the top of the No. 1 fixing frame.

[0010] Furthermore, a second fixing frame is fixedly connected to the front end of the pipeline body, and a fan is installed on the inner wall of the second fixing frame.

[0011] Furthermore, a handle is fixedly connected to the top of the top plate.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, through the cooperation of the pull rod, the top plate and the handle, the handle can be lifted by pulling the pull rod, and then the filter can be disassembled through the L-shaped tenon and the mortise. The easily detachable filter design makes cleaning and maintenance more convenient. The operator can easily remove the filter, and then remove the dirt and accumulation therein, and then reinstall it on the ventilation duct, saving time and labor costs. Secondly, through the primary filter, PP cold touch filter and HWPA filter, the ventilation duct has multiple filtering effects, which can improve air quality, protect health, extend equipment life, protect the environment, and improve indoor comfort, thereby improving the efficiency and reliability of the equipment.

[0014] 2. In the utility model, through the mutual cooperation of the mounting plate and the bolts, the spring and the bolts can be fixed by the bolts, and then the mounting plate can be bolted to the appropriate position to reduce the time and labor cost required for installation, thereby speeding up the project progress, reducing the project cycle, and realizing the functions and benefits of the ventilation system in advance. The easy-to-install ventilation duct design can reduce errors and risks in the construction process, and the simplified installation steps and operating procedures reduce the possibility of operating errors and accidents, thereby improving construction safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a ventilation duct with a filtering structure proposed by the utility model;

[0016] Figure 2 This is an installation structure diagram of a ventilation duct with a filtering structure proposed by the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 This is a structural diagram of a filter plate of a ventilation duct with a filtering structure proposed by the utility model.

[0019] Legend:

[0020] 1. Pipe body; 2. Mounting frame; 3. Spring; 4. No. 1 fixing frame; 5. Mounting plate; 6. Bolt; 7. No. 2 fixing frame; 8. Fan; 9. Top plate; 10. Handle; 11. Pull rod; 12. Fixing hole; 13. No. 1 limit block; 14. No. 2 limit block; 15. No. 1 hole; 16. L-shaped tenon; 17. Tenon groove; 18. HEPA filter; 19. PP cold touch filter; 20. Primary filter; 21. No. 2 hole; 22. Limit plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-4 The utility model provides an embodiment: a ventilation duct with a filtering structure, including a duct body 1, a top plate 9 is arranged in the middle of the top of the duct body 1, a No. 1 hole 15 is opened at both the left and right ends of the top plate 9, a No. 2 hole 21 is opened in the middle of the top side of the left and right ends of the duct body 1, and a pull rod 11 is arranged on the inner wall of the No. 1 hole 15 and the No. 2 hole 21, and a spring 3 is arranged on the outer wall of the right end pull rod 11, one end of the spring 3 is connected to the limit plate 22, and the other end is connected to the right side of the middle of the outer wall of the pull rod 11;

[0023] Specifically, by pulling the pull rod 11, the spring 3 is squeezed under the drive of the limit plate 22, and the pull rod 11 can be pulled out of the No. 1 hole 15. Then, through the cooperation of the pull rod 11, the top plate 9 and the handle 10, the pull rod 11 can be pulled through the handle 10 to lift the handle 10, and then the filter can be disassembled through the L-shaped tenon 16 and the tenon groove 17. The easily detachable filter design makes cleaning and maintenance more convenient, and the operator can easily remove the filter to remove the dirt and accumulation therein.

[0024] A mortise groove 17 is provided at the bottom end of the top plate 9, and a primary filter 20, a PP cold-touch filter 19 and a HEPA filter 18 are sequentially connected to the bottom end of the mortise groove 17 from front to back through an L-shaped tenon 16. Mounting frames 2 are installed at four places on both sides of the left and right ends of the pipeline body 1, and a No. 2 limit block 14 is fixedly connected to the end of the front mounting frame 2 close to the pipeline body 1, and a No. 1 limit block 13 is fixedly connected to the top and bottom of the mounting frame 2. A plurality of grooves are provided on the outer wall of the pipeline body 1, and the No. 1 limit block 13 and the No. 2 limit block 14 are both installed in the grooves. A fixing hole 12 is provided at the top end of the mounting frame 2, and the fixing hole 12 is connected to the No. 1 fixing frame 4 through a bolt 6. The top end of the No. 1 fixing frame 4 is fixedly connected to a mounting plate 5, a fixing frame 7 is fixedly connected to the front end of the pipeline body 1, a fan 8 is installed on the inner wall of the fixing frame 7, and a handle 10 is fixedly connected to the top end of the top plate 9;

[0025] Specifically, the mounting frame 2 is embedded in the pipe body 1 through the No. 1 limit block 13, and then the No. 2 limit block 14 makes the mounting frame 2 more firmly stuck on the pipe body 1. After that, through the cooperation of the No. 1 fixing frame 4, the mounting plate 5 and the bolt 6, the spring 3 and the bolt 6 can be fixed by the bolt 6, and then the mounting plate 5 can be bolted to the appropriate position to install the entire ventilation duct to reduce the time and labor cost required for installation, thereby speeding up the project progress and reducing the project cycle. The primary filter 20 can filter large particles, mosquitoes and other impurities. The PP cold touch filter 19 can decompose formaldehyde, VOC, and has good water absorption and is not easy to mold. The HEPA filter 18 can filter PM2.5 and its filtering effect can reach 99%. One end of the fan 8 is installed as the air inlet.

[0026] Working principle: Pull the rod 11, and the spring 3 is squeezed under the drive of the limit plate 22, so that the rod 11 can be pulled out from the No. 1 hole 15. Through the cooperation of the rod 11, the top plate 9 and the handle 10, the rod 11 can be pulled through the handle 10 to lift the handle 10, and then the filter can be installed or replaced through the L-shaped tenon 16 and the tenon groove 17. The order of filter installation from front to back is the primary filter 20, the PP cold touch filter 19 and the HEPA filter 18. The primary filter 20 can filter large particles, mosquitoes and other impurities. The PP cold touch filter 19 can decompose formaldehyde, VOC, good water absorption and not easy to mold. The HEPA filter 18 can filter PM2. The filtering effect can reach 99%. After the filter is installed or replaced, the pull rod 11 is pulled out, and the filter installed on the top plate 9 is completely installed in the pipe body 1, and then fixed by the pull rod 11. Then the mounting frame 2 is embedded in the pipe body 1 through the No. 1 limit block 13, and then the mounting frame 2 is more firmly clamped on the pipe body 1 through the No. 2 limit block 14. Then, through the mutual cooperation of the No. 1 fixing frame 4, the mounting plate 5 and the bolt 6, the spring 3 and the bolt 6 can be fixed by the bolt 6, and then the mounting plate 5 can be installed in the ventilation duct to a suitable position by bolts, thereby reducing the time and labor cost required for installation, thereby speeding up the project progress and reducing the project cycle.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ventilation duct with a filtering structure, comprising a duct body (1), characterized in that: A top plate (9) is provided in the middle of the top of the pipe body (1), and a No. 1 hole (15) is provided at both the left and right ends of the top plate (9), and a No. 2 hole (21) is provided in the middle of the top side of both the left and right ends of the pipe body (1), and the inner walls of the No. 1 hole (15) and the No. 2 hole (21) are provided with pull rods (11), and a spring (3) is provided on the outer wall of the pull rod (11) at the right end, and one end of the spring (3) is connected to a limiting plate (22), and the other end is connected to the right side of the middle of the outer wall of the pull rod (11).

2. The ventilation duct with a filtering structure according to claim 1, characterized in that: A mortise and tenon groove (17) is provided at the bottom end of the top plate (9), and the bottom end of the mortise and tenon groove (17) is connected to a primary filter (20), a PP cold-touch filter (19) and a HEPA filter (18) in sequence from front to back via an L-shaped tenon (16).

3. The ventilation duct with a filtering structure according to claim 1, characterized in that: The pipeline body (1) is provided with mounting frames (2) at four locations on both sides of the left and right ends and the front and rear sides; one end of the mounting frame (2) close to the pipeline body (1) is fixedly connected to a second limit block (14); and the top and bottom ends of the mounting frame (2) are fixedly connected to a first limit block (13).

4. The ventilation duct with a filtering structure according to claim 3, characterized in that: The outer wall of the pipeline body (1) is provided with a plurality of grooves, and the first limit block (13) and the second limit block (14) are both installed in the grooves.

5. The ventilation duct with a filtering structure according to claim 3, characterized in that: The top of the mounting frame (2) is provided with a fixing hole (12), the fixing hole (12) is connected to a first fixing frame (4) via a bolt (6), and the top of the first fixing frame (4) is fixedly connected to a mounting plate (5).

6. The ventilation duct with a filtering structure according to claim 1, characterized in that: A second fixing frame (7) is fixedly connected to the front end of the pipeline body (1), and a fan (8) is installed on the inner wall of the second fixing frame (7).

7. The ventilation duct with a filtering structure according to claim 1, characterized in that: A handle (10) is fixedly connected to the top end of the top plate (9).

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