A purification device for fresh air system pipeline

Abstract

The utility model provides a kind of purification device for fresh air system pipeline, including last stage air pipe, the bottom of last stage air pipe is fixed with docking pipe, the bottom of docking pipe is detachably connected with docking ring by screw, the bottom of docking pipe is fixed with mounting bracket, the bottom end middle part of mounting bracket is fixed with motor, the top output end of motor is fixed with air supply fan blade, air supply fan blade works in the inner wall middle part of docking ring, docking ring and docking pipe are detachably designed by screw, it is convenient for user to check and maintain filter screen between upper pressing plate and lower pressing plate, motor drives air supply fan blade to rotate in docking pipe, cooperate last stage air pipe to send the air that new air system pumps to indoor, effectively avoid that indoor pollutant enters into last stage pipeline due to the backflow of wind speed reduction in new air system last stage pipeline, complete the purification design of last stage pipeline.

Description

Technical Field

[0001] This utility model mainly relates to the field of fresh air system technology, specifically to a purification device for fresh air system pipelines. Background Technology

[0002] The ducts and dampers at the air outlet of the final stage of the fresh air system are prone to foreign matter adhering to them due to indoor dirt or malfunctions in the system's own filter components, leading to the accumulation of foreign matter in the ducts. This phenomenon is particularly noticeable in the final stage of the fresh air supply duct.

[0003] The inventor proposes a purification device for fresh air system ducts, which improves the existing air supply window configured on the air outlet side of the final stage air duct by adding an active air supply component, effectively increasing the air supply velocity at the final stage air duct, and avoiding the situation where the external environmental foreign objects are sucked in due to the decrease in air velocity at the final stage air duct or the foreign objects settle and accumulate due to insufficient air velocity at the final stage air duct. Utility Model Content

[0004] 1. Technical problem solved by the utility model:

[0005] This invention provides a purification device for fresh air system ducts, which solves the technical problem of foreign objects being drawn into the external environment due to reduced air velocity in the final stage duct of existing fresh air systems.

[0006] 2. Technical Solution:

[0007] To achieve the above objectives, the technical solution provided by this utility model is as follows: a purification device for a fresh air system pipeline, comprising a final stage air duct, a connecting pipe fixedly provided at the bottom of the final stage air duct, a connecting ring detachably connected to the bottom of the connecting pipe by screws, a mounting bracket fixedly provided at the bottom of the connecting pipe, a motor fixedly provided at the bottom center of the mounting bracket, and a fan blade fixedly provided at the top output end of the motor, the fan blade operating in the middle of the inner wall of the connecting ring.

[0008] Furthermore, a mounting plate is fixedly provided on the middle of the outer side of the connecting pipe, and mounting holes are provided at the four corners of the mounting plate. An upper pressure plate is detachably snapped onto the bottom of the inner wall of the connecting pipe.

[0009] Furthermore, a lower pressure plate is detachably snapped onto the top of the inner wall of the docking ring, and a filter screen is stacked on top of the lower pressure plate, with the top surface of the filter screen abutting against the bottom surface of the upper pressure plate.

[0010] Furthermore, the bottom of the mounting bracket is cross-shaped, and a drainage fin is snapped into the cross-shaped gap at the bottom of the mounting bracket. The top of the drainage fin is inclined toward the center of the connecting pipe.

[0011] Furthermore, four isolation plates are fixedly provided in the middle of the cross-shaped bottom end of the mounting bracket. The four isolation plates form a conical structure to block the motor mounting position on the mounting bracket. Limiting plates are fixedly provided on the opposite sides of adjacent isolation plates. A sleeve is sleeved on the bottom of the mounting bracket. Multiple limiting slots are fixedly provided on the top of the sleeve. The limiting slots cooperate with the limiting plates.

[0012] Furthermore, the bottom end of the mounting bracket is threaded with a fastening bolt, and a gasket is sleeved on the outside of the fastening bolt, with the top of the gasket abutting against the bottom of the sleeve.

[0013] 3. Beneficial effects:

[0014] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0015] This utility model provides a purification device for fresh air system ducts. The connecting ring and connecting pipe are designed to be detachable with screws, which makes it convenient for users to inspect and maintain the filter screen between the upper and lower pressure plates. The motor drives the fan blades to rotate inside the connecting pipe, and together with the terminal air duct, it delivers the air pumped by the fresh air system to the room. This effectively prevents backflow caused by reduced air velocity in the terminal air duct of the fresh air system, which would cause indoor pollutants to enter the terminal air duct. At the same time, the active air supply component set on the air outlet side of the terminal air duct can discharge foreign objects in the terminal air duct that are not adequately filtered by the fresh air system itself, and prevent foreign objects from accumulating in the terminal air duct due to reduced air velocity.

[0016] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0017] Figure 1 This is a perspective view of the structure of this utility model;

[0018] Figure 2 This is a half-sectional perspective view of the final stage air duct structure of this utility model;

[0019] Figure 3 This is a perspective view of the butt joint structure of this utility model;

[0020] Figure 4 This is a half-sectional perspective view of the docking ring structure of this utility model;

[0021] Figure 5 This is a perspective view of the isolation plate structure of this utility model;

[0022] Figure 6 This is an exploded view of the butt joint structure of this utility model;

[0023] Figure 7 The explosion of the isolation plate structure of this utility model Figure 1 ;

[0024] Figure 8 The explosion of the isolation plate structure of this utility model Figure 2 .

[0025] Figure label:

[0026] Final stage duct-1;

[0027] Connector-2; Mounting plate-21; Upper pressure plate-22;

[0028] Docking ring-3; Lower pressure plate-31; Filter screen-32;

[0029] Mounting bracket-4; Motor-41; Exhaust fan blade-42; Drainage fins-43;

[0030] Isolation plate-5; Limiting plate-51;

[0031] Sleeve-6; Limiting groove-61; Fastening bolt-62; Gasket-63. Detailed Implementation

[0032] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0033] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element; the terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0035] See attached document Figure 1-8This utility model provides a purification device for a fresh air system pipeline, including a final stage air duct 1. A connecting pipe 2 is fixedly provided at the bottom of the final stage air duct 1. A connecting ring 3 is detachably connected to the bottom of the connecting pipe 2 by screws. A mounting bracket 4 is fixedly provided at the bottom of the connecting pipe 2. A motor 41 is fixedly provided at the middle of the bottom end of the mounting bracket 4. A fan blade 42 is fixedly provided at the top output end of the motor 41. The fan blade 42 works in the middle of the inner wall of the connecting ring 3.

[0036] In this embodiment, a mounting plate 21 is fixedly provided on the middle of the outer side of the connecting pipe 2, and mounting holes are provided at the four corners of the mounting plate 21. An upper pressure plate 22 is detachably snapped onto the bottom of the inner wall of the connecting pipe 2.

[0037] The mounting plate 21 is designed to fit the mounting holes, making it convenient for users to fix the connecting pipe 2 to the ceiling of the building interior according to the ductwork requirements of the fresh air system.

[0038] In this embodiment, a lower pressure plate 31 is detachably snapped onto the top of the inner wall of the docking ring 3, and a filter screen 32 is stacked on top of the lower pressure plate 31, with the top surface of the filter screen 32 abutting against the bottom surface of the upper pressure plate 22.

[0039] Motor 41 drives the fan blades 42 to rotate inside the connecting pipe 2, which, together with the final air duct 1, delivers the air pumped by the fresh air system to the room. This effectively prevents backflow in the final air duct of the fresh air system due to insufficient airflow, which would cause indoor pollutants to enter the final air duct. At the same time, the active air supply component installed on the air outlet side of the final air duct 1 can discharge foreign objects in the final air duct 1 that are not adequately filtered by the fresh air system itself, thus preventing foreign objects from accumulating in the final air duct 1 due to reduced airflow at the final air duct 1.

[0040] The filter screen 32 blocks indoor pollutants outside the connecting pipe 2, preventing indoor pollutants from entering the final stage air duct 1. The connecting ring 3 and the connecting pipe 2 are designed to be detachable with screws. Only the four screws between the connecting ring 3 and the connecting pipe 2 need to be removed to inspect and maintain the filter screen 32 between the upper pressure plate 22 and the lower pressure plate 31.

[0041] In this embodiment, the bottom of the mounting bracket 4 is cross-shaped, and a drainage fin 43 is snapped into the cross-shaped gap at the bottom of the mounting bracket 4. The top of the drainage fin 43 is inclined toward the center of the connecting pipe 2.

[0042] The motor 41 and the fan blades 42 send the air in the final stage air duct 1 into the room, and the inclined arrangement of the guide fins 43 completes the diffusion and guidance of the air in the room.

[0043] In this embodiment, four isolation plates 5 are fixedly provided in the middle of the cross-shaped bottom end of the mounting bracket 4. The four isolation plates 5 form a conical structure to block the installation position of the motor 41 on the mounting bracket 4. Limiting plates 51 are fixedly provided on the opposite sides of adjacent isolation plates 5. A sleeve 6 is sleeved on the bottom of the mounting bracket 4. Multiple limiting slots 61 are fixed on the top of the sleeve 6. The limiting slots 61 cooperate with the limiting plates 51. A fastening bolt 62 is threadedly connected to the bottom end of the mounting bracket 4. A gasket 63 is sleeved on the outside of the fastening bolt 62. The top of the gasket 63 abuts against the bottom of the sleeve 6.

[0044] The isolation plate shields the motor 41. The conical structure of the isolation plate 5 guides the air blown by the fan blade 42 to the outside of the isolation plate 5, effectively preventing the fan blade 42 from blowing air directly onto the motor 41 and causing the lubricating oil smell of the bearing on the motor 41 to be sent into the room. The limiting plate 51 of the isolation plate and the limiting groove 61 of the sleeve 6 cooperate to complete the assembly of the isolation plate under the mounting bracket 4. The fastening bolt 62 and the gasket 63 complete the assembly of the sleeve 6 under the mounting bracket 4.

[0045] Through the structural design of the mounting bracket 4 and the docking ring 3, the motor 41 is designed to be mounted on the outside of the final stage air duct 1 and the docking pipe 2, so as to avoid the lubricating oil smell of the motor 41 from causing pollution to the inside of the final stage air duct 1. When the motor 41 is inspected and maintained, the user can remove the fastening bolt 62 and remove the sleeve 6 from the bottom of the mounting bracket 4 to expose the motor 41, which makes it convenient for the user to carry out maintenance and inspection work.

[0046] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A purification device for fresh air system piping, characterized by: The system includes a final stage air duct (1), with a connecting pipe (2) fixed at the bottom of the final stage air duct (1). A connecting ring (3) is detachably connected to the bottom of the connecting pipe (2) by screws. A mounting bracket (4) is fixed at the bottom of the connecting pipe (2). A motor (41) is fixed at the middle of the bottom end of the mounting bracket (4). A blower fan blade (42) is fixed at the top output end of the motor (41). The blower fan blade (42) operates in the middle of the inner wall of the connecting ring (3).

2. The purification device for fresh air system pipeline according to claim 1, characterized in that: An installation plate (21) is fixedly provided on the middle of the outer side of the connecting pipe (2). Installation holes are provided at the four corners of the installation plate (21). An upper pressure plate (22) is detachably snapped onto the bottom of the inner wall of the connecting pipe (2).

3. The purification device for fresh air system pipeline according to claim 1, characterized in that: The inner wall of the docking ring (3) is detachably snapped with a lower pressure plate (31), and a filter screen (32) is stacked on top of the lower pressure plate (31). The top surface of the filter screen (32) abuts against the bottom surface of the upper pressure plate (22).

4. The purification device for fresh air system pipeline according to claim 1, characterized in that: The bottom of the mounting bracket (4) is cross-shaped, and a drainage fin (43) is snapped into the cross-shaped gap at the bottom of the mounting bracket (4). The top of the drainage fin (43) is inclined toward the center of the connecting pipe (2).

5. The purification device for fresh air system pipeline according to claim 1, characterized in that: Four isolation plates (5) are fixedly provided at the middle of the cross-shaped bottom end of the mounting bracket (4). The four isolation plates (5) form a conical structure to block the installation position of the motor (41) on the mounting bracket (4). Limiting plates (51) are fixedly provided on the opposite sides of the adjacent isolation plates (5). A sleeve (6) is sleeved on the bottom of the mounting bracket (4). Multiple limiting slots (61) are fixedly provided on the top of the sleeve (6). The limiting slots (61) cooperate with the limiting plates (51).

6. The purification device for fresh air system pipeline according to claim 1, characterized in that: The bottom end of the mounting bracket (4) is threaded with a fastening bolt (62), and a gasket (63) is sleeved on the outside of the fastening bolt (62). The top of the gasket (63) abuts against the bottom of the sleeve (6).

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