Mute dust removal device for air port of fresh air machine

Abstract

The utility model discloses a mute dust removal device for an air port of a fresh air fan, which belongs to the field of mute dust removal devices and comprises an air feeder body, an air exhaust pipeline is fixedly connected to one side of the air feeder body, an air supply pipeline is fixedly connected to the other side of the air feeder body, and a mute dust removal mechanism is movably mounted on the air exhaust pipeline and the air supply pipeline. According to the silent dust removal mechanism, a movable plate is sealed in a filter box through a first sealing ring and a second sealing ring, a filter plate on the upper portion of the movable plate is located in the filter box and filters inlet air, and when a large amount of dust is accumulated on the filter plate on the upper portion, the movable plate is pulled upwards out of the filter box; according to the fresh air ventilator, the movable plate is arranged, the filter plate below the movable plate is moved into the filter box, the filter plate on the upper portion is cleaned, the filter plate on the movable plate is more convenient to clean, work of the fresh air ventilator is not affected, noise reduction and noise pollution reduction are conducted on the air supply pipeline and the air exhaust pipeline through half-ring-shaped silencing cotton in a silencing ring, and the fresh air ventilator is more suitable for use.

Description

Technical Field

[0001] The utility model relates to the field of silent dust removal devices, in particular to a silent dust removal device for an air outlet of a fresh air fan. Background Art

[0002] The fresh air fan is an effective air purification equipment that can circulate indoor air. On the one hand, it discharges the indoor polluted air to the outside, and on the other hand, it inputs the outdoor fresh air into the room after sterilization, disinfection, filtration and other measures, so that the room is filled with fresh and clean air at all times. The fresh air fan is mainly divided into two types: exhaust-type fresh air fan and supply-type fresh air fan. It can be installed in most indoor environments, is easy to install and comfortable to use. However, the existing fresh air fan has a large noise at the air inlet duct. Filters and other structures are provided in the air inlet duct to filter the incoming air for the first time, but dust is easily accumulated on the filter, causing the filter to be blocked, and the filter is not easy to disassemble and clean, so it needs to be improved. Utility Model Content

[0003] The main purpose of the utility model is to provide a silent dust removal device for the air outlet of a fresh air blower, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A silent dust removal device for the air outlet of a fresh air blower comprises an air supply body, one side of the air supply body is fixedly connected to an exhaust pipe, the other side of the air supply body is fixedly connected to an air supply pipe, a silent dust removal mechanism is movably installed on the exhaust pipe and the air supply pipe, the silent dust removal mechanism comprises a filter box, a movable plate, a filter plate, a cover plate, a silent ring, a sealing ring and a semi-circular sound-absorbing cotton, the filter box is fixedly connected to the exhaust pipe and the air supply pipe, the movable plate is movably installed in the filter box, and the The filter plate is fixedly connected to the upper and lower positions of the movable plate, the cover plate is fixedly connected to the upper and lower ends of the movable plate, the silent ring is fixedly connected to the air supply body, and the exhaust duct and the air supply duct are located in the silent ring, the number of the semi-circular silencer cotton is two, and the semi-circular silencer cotton is located between the silent ring and the exhaust duct, or between the silent ring and the air supply duct, and the sealing ring seals the position between the silent ring and the exhaust duct or seals the position between the silent ring and the air supply duct.

[0006] Preferably, the silent dust removal mechanism further includes mounting grooves, the mounting grooves are provided at the upper and lower positions of the movable plate, and the filter plate is fixedly connected in the mounting grooves.

[0007] Preferably, the silent dust removal mechanism also includes a No. 1 sealing ring and a No. 2 sealing ring, and the No. 1 sealing ring and the No. 2 sealing ring are fixedly connected to the outlet positions of the upper and lower parts of the filter box, and the movable plate is located between the No. 1 sealing ring and the No. 2 sealing ring.

[0008] Preferably, the silent dust removal mechanism further includes a silent hole, the silent hole is opened on the exhaust duct and the air supply duct, and the silent hole is located on the inner side of the silent ring.

[0009] Preferably, the silent dust removal mechanism further includes an inner sealing ring, which is fixedly connected to the inner side of the sealing ring, and the inner sealing ring is in contact with the exhaust duct and the air supply duct.

[0010] Preferably, the silent dust removal mechanism further includes an outer sealing ring, which is fixedly connected to the sealing ring, and the outer sealing ring and the silent ring are in contact with each other.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, through the silent dust removal mechanism, the movable plate is sealed and installed in the filter box through the first sealing ring and the second sealing ring. The filter plate at the upper position of the movable plate is located in the filter box to filter the incoming air. When a lot of dust is accumulated on the filter plate at the upper position, the movable plate is pulled upward out of the filter box, so that the filter plate at the lower position of the movable plate is moved into the filter box, and the filter plate at the upper position is cleaned, so that the filter plate on the movable plate is more convenient to clean and does not affect the operation of the fresh air fan.

[0013] In the utility model, the noise of the air supply duct and the air exhaust duct is reduced by the semi-circular silencer cotton in the silent circle, thereby reducing noise pollution and being more suitable for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the silent dust removal mechanism of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the movable plate of the utility model;

[0017] Figure 4 It is a schematic diagram of the split structure of the silent coil of the utility model.

[0018] In the figure: 1. air supply body; 2. exhaust duct; 3. air supply duct; 4. silent dust removal mechanism; 401. filter box; 402. movable plate; 403. mounting groove; 404. filter plate; 405. cover plate; 406. No. 1 sealing ring; 407. No. 2 sealing ring; 408. silent ring; 409. silent hole; 410. sealing ring; 411. inner sealing ring; 412. outer sealing ring; 413. semi-circular silencer cotton. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-3 As shown, a silent dust removal device for the air outlet of a fresh air blower comprises an air supply body 1, one side of the air supply body 1 is fixedly connected to an exhaust pipe 2, the other side of the air supply body 1 is fixedly connected to an air supply pipe 3, a silent dust removal mechanism 4 is movably installed on the exhaust pipe 2 and the air supply pipe 3, the silent dust removal mechanism 4 comprises a filter box 401, a movable plate 402, a filter plate 404, a cover plate 405, a silent ring 408, a sealing ring 410 and a semi-circular silencer cotton 413, the filter box 401 is fixedly connected to the exhaust pipe 2 and the air supply pipe 3, the movable plate 402 is movably installed in the filter box 401, the filter plate 404 is fixedly connected to the upper and lower positions of the movable plate 402, the cover plate 405 is fixedly connected to the upper and lower ends of the movable plate 402, and the silent dust removal mechanism 4 further comprises a mounting groove 403, and the mounting groove 403 is arranged on the movable plate 40 2, the filter plate 404 is fixedly connected in the mounting groove 403, the silent dust removal mechanism 4 also includes a No. 1 sealing ring 406 and a No. 2 sealing ring 407, the No. 1 sealing ring 406 and the No. 2 sealing ring 407 are fixedly connected at the outlet positions of the upper and lower parts of the filter box 401, the movable plate 402 is located between the No. 1 sealing ring 406 and the No. 2 sealing ring 407, too much dust is accumulated on the filter plate 404 at the upper position, the cover plate 405 at the upper position of the movable plate 402 is pulled upward, the movable plate 402 moves upward synchronously, the filter plate 404 at the upper position is moved out of the filter box 401, the filter plate 404 at the lower position is moved into the filter box 401, the cover plate 405 under the movable plate 402 is in contact with the filter box 401, after the filter plate 404 at the upper position is moved out of the filter box 401, it is convenient to clean the dust thereon.

[0021] like Figure 1 , Figure 2 and Figure 4As shown, the silent ring 408 is fixedly connected to the air supply body 1, and the exhaust duct 2 and the air supply duct 3 are located in the silent ring 408, the number of the semi-circular sound-absorbing cotton 413 is two, and the semi-circular sound-absorbing cotton 413 is located between the silent ring 408 and the exhaust duct 2, or between the silent ring 408 and the air supply duct 3, the sealing ring 410 seals the position between the silent ring 408 and the exhaust duct 2 or the position between the silent ring 408 and the air supply duct 3, and the silent dust removal mechanism 4 also includes a silent hole 409, and the silent hole 409 is opened on the exhaust duct 2 and the air supply duct 3, and the silent hole 409 is located at the silent On the inner side of the voice coil 408, the silent dust removal mechanism 4 also includes an inner sealing ring 411, which is fixedly connected to the inner side of the sealing ring 410, and the inner sealing ring 411 is in contact with the exhaust duct 2 and the air supply duct 3. The silent dust removal mechanism 4 also includes an outer sealing ring 412, which is fixedly connected to the sealing ring 410, and the outer sealing ring 412 is in contact with the silent ring 408. The semi-circular silencer cotton 413 is inserted into the silent ring 408, and the semi-circular silencer cotton 413 absorbs the noise in the air flow through the silent hole 409, thereby reducing the noise and making the fresh air fan more comfortable to use.

[0022] It should be noted that the utility model is a silent dust removal device for the air outlet of a fresh air blower. The movable plate 402 is sealed and installed in the filter box 401 through the first sealing ring 406 and the second sealing ring 407. The cover plate 405 at the upper position of the movable plate 402 is in contact with the outlet at the upper part of the filter box 401, so that the upper filter plate 404 is located in the filter box 401 to filter the incoming air. When too much dust accumulates on the upper filter plate 404, the cover plate 405 at the upper position of the movable plate 402 is pulled upward, and the movable plate 402 moves upward synchronously, and the upper filter plate 404 moves out of the filter box 401. 1. The filter plate 404 at the lower position is moved into the filter box 401, and the cover plate 405 under the movable plate 402 is in contact with the filter box 401. After the filter plate 404 at the upper position is moved out of the filter box 401, it is convenient to clean the dust thereon, and the air supply body 1 is convenient to continue working. The dust cleaning work will not delay the normal operation of the fresh air fan. The exhaust duct 2 and the air supply duct 3 are provided with silent holes 409, and the semi-circular silencer cotton 413 is stuck in the silent ring 408. The semi-circular silencer cotton 413 absorbs the noise in the air flow through the silent hole 409, thereby reducing the noise and making the fresh air fan more comfortable to use.

[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It is only a preferred embodiment of the utility model, and its description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The embodiments can be changed, modified, replaced and deformed without departing from the principle and purpose of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A silent dust removal device for an air outlet of a fresh air blower, comprising an air supply body (1), one side of the air supply body (1) being fixedly connected to an exhaust pipe (2), and the other side of the air supply body (1) being fixedly connected to an air supply pipe (3), characterized in that: A silent dust removal mechanism (4) is movably mounted on the air extraction duct (2) and the air supply duct (3). The silent dust removal mechanism (4) comprises a filter box (401), a movable plate (402), a filter plate (404), a cover plate (405), a silent ring (408), a sealing ring (410) and a semi-circular silencer cotton (413). The filter box (401) is fixedly connected to the air extraction duct (2) and the air supply duct (3). The movable plate (402) is movably mounted in the filter box (401). The filter plate (404) is fixedly connected to the upper and lower positions of the movable plate (402). The cover plate (405) is fixedly Connected to the upper and lower ends of the movable plate (402), the silent ring (408) is fixedly connected to the air supply body (1), and the exhaust duct (2) and the air supply duct (3) are located in the silent ring (408), the number of the semi-circular silencer cotton (413) is two, and the semi-circular silencer cotton (413) is located between the silent ring (408) and the exhaust duct (2), or between the silent ring (408) and the air supply duct (3), and the sealing ring (410) seals the position between the silent ring (408) and the exhaust duct (2) or seals the position between the silent ring (408) and the air supply duct (3).

2. A silent dust removal device for the air outlet of a fresh air blower according to claim 1, characterized in that: The silent dust removal mechanism (4) further comprises a mounting groove (403), wherein the mounting groove (403) is provided at the upper and lower positions of the movable plate (402), and the filter plate (404) is fixedly connected in the mounting groove (403).

3. A silent dust removal device for the air outlet of a fresh air blower according to claim 2, characterized in that: The silent dust removal mechanism (4) further comprises a first sealing ring (406) and a second sealing ring (407), wherein the first sealing ring (406) and the second sealing ring (407) are fixedly connected to the outlet positions of the upper and lower parts of the filter box (401), and the movable plate (402) is located between the first sealing ring (406) and the second sealing ring (407).

4. A silent dust removal device for the air outlet of a fresh air blower according to claim 3, characterized in that: The silent dust removal mechanism (4) further comprises a silent hole (409), wherein the silent hole (409) is provided on the air extraction duct (2) and the air supply duct (3), and the silent hole (409) is located at the inner side of the silent ring (408).

5. A silent dust removal device for the air outlet of a fresh air blower according to claim 4, characterized in that: The silent dust removal mechanism (4) further comprises an inner sealing ring (411), wherein the inner sealing ring (411) is fixedly connected to the inner side of the sealing ring (410), and the inner sealing ring (411) is in contact with the air extraction duct (2) and the air supply duct (3).

6. A silent dust removal device for the air outlet of a fresh air blower according to claim 5, characterized in that: The silent dust removal mechanism (4) further comprises an outer sealing ring (412), wherein the outer sealing ring (412) is fixedly connected to the sealing ring (410), and the outer sealing ring (412) and the silent ring (408) are in contact with each other.

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