Ventilation and dust removal device

Abstract

The utility model relates to the technical field of ventilation devices, and discloses a ventilation dust removal device which comprises a dust removal box, a bottom cover and a dust removal assembly, a cavity is formed in the dust removal box, an air inlet and an air outlet which are communicated with the cavity are formed in the two ends of the dust removal box respectively, a dust removal opening communicated with the cavity is formed in the bottom of the dust removal box, and the bottom cover is arranged at the dust removal opening. The bottom cover is connected with the dust removal box, and the air inlet is communicated with the fan; the dust removal assembly comprises a filtering piece, a connecting piece and a brush base, the connecting piece and the brush base are arranged in the cavity, the brush base is arranged at the end, away from the bottom cover, of the connecting piece, and the brush base can clean impurities on the filtering piece. The bottom cover drives the connecting piece and the brush seat to move in the cavity, so that the brush seat cleans sundries on the filtering piece, the sundries are discharged through the dust removal opening, the filtering piece does not need to be detached for cleaning, the detaching and installing procedure of the filtering piece is omitted, operation is simple, the filtering piece can be cleaned at any time, and the cleaning efficiency is improved. And normal ventilation is prevented from being influenced by blockage of the filtering piece.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation devices, in particular to a ventilation and dust removal device. Background Art

[0002] In the factory, due to operations such as cutting steel and welding, a large amount of smoke and tiny particles will be generated. If these harmful substances accumulate inside the factory for a long time, they will have many negative effects on human health. Therefore, in the construction of the factory, the installation of ventilation facilities is particularly important. In addition, the operation of equipment in the factory will also generate noise, which also needs to be paid attention to and dealt with.

[0003] The prior art discloses a factory ventilation and dust removal device, comprising a ventilation duct, a mounting plate and a fan installed in the ventilation duct, wherein an air inlet is provided on the end face of the mounting plate, an air outlet is provided on the end face of the ventilation duct, the ventilation duct and the mounting plate are fixedly connected, and a filter plate is installed inside the ventilation duct. After long-term use, the filter plate is easily clogged with dust, thereby affecting the filtering effect of the factory ventilation and dust removal device, and the filter plate needs to be disassembled when cleaning and then assembled after cleaning, which is inconvenient to operate.

[0004] Therefore, it is necessary to provide a new ventilation and dust removal device to solve the above technical problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a ventilation and dust removal device, aiming to solve the problem that the filter plate needs to be dismantled and cleaned in the existing ventilation and dust removal device structure.

[0006] To achieve the above-mentioned purpose, the ventilation and dust removal device proposed in the utility model includes a dust removal box, a bottom cover and a dust removal assembly, a cavity is formed in the dust removal box, and two ends of the dust removal box are respectively provided with an air inlet and an air outlet connected to the cavity, and a dust removal port connected to the cavity is provided at the bottom of the dust removal box, the bottom cover is arranged at the dust removal port, and the bottom cover is connected to the dust removal box, and the air inlet is connected to the fan; the dust removal assembly includes a filter element, a connecting element and a brush seat arranged in the cavity, the filter element is arranged at the air outlet of the dust removal box, the connecting element is vertically arranged on the bottom cover, and the connecting element forms a channel arranged opposite to the air outlet, the brush seat is arranged at the end of the connecting element away from the bottom cover, and the brush seat can clean the debris on the filter element.

[0007] Optionally, the connecting member includes two vertical rods arranged at intervals, the channel is formed between the two vertical rods, the brush seat includes a mounting seat and a strip brush, and the two vertical rods are connected between the mounting seat and the bottom cover, the brush seat abuts against the top wall of the cavity, the strip brush is arranged on the mounting seat, and the strip brush is arranged directly opposite the filter element.

[0008] Optionally, the ventilation and dust removal device also includes an air outlet pipe, a hollow silencer and a limiting frame, the air outlet pipe is connected to the air outlet; the hollow silencer extends into the air outlet pipe and is threadedly connected to the air outlet pipe, and the hollow silencer cooperates with the limiting frame to limit the filter element, and a ventilation cavity connecting the air outlet pipe and the outside is formed in the hollow silencer pipe; the limiting frame is arranged at the air outlet.

[0009] Optionally, the ventilation and dust removal device also includes a sound-absorbing cotton sleeve and a limit cover, the sound-absorbing cotton sleeve is arranged in the ventilation cavity, the limit cover is provided with a ventilation opening, the limit cover is arranged on the end of the hollow silencer tube away from the dust removal box, the edge of the ventilation opening abuts against the sound-absorbing cotton sleeve, and the ventilation opening is arranged opposite to the ventilation cavity.

[0010] Optionally, the filter element is a filter net; the hollow silencer pipe is a PVC silencer pipe; and the limit frame is a cross limit frame.

[0011] Optionally, the ventilation and dust removal device further includes a circular sealing gasket, which is arranged on a side of the bottom cover facing the cavity and is arranged opposite to the dust removal port, and the circular sealing gasket matches the shape of the dust removal port.

[0012] Optionally, a first docking ring is formed at the edge of the dust removal port, and first mounting holes are respectively opened at the four corners of the first docking ring. A second mounting hole is provided at the edge of the bottom cover corresponding to the first mounting hole, and a fastener passes through the first mounting hole and the second mounting hole in sequence to connect the first docking ring and the bottom cover.

[0013] Optionally, the ventilation and dust removal device also includes a fan connecting pipe, one end of which is connected to the air inlet of the dust collector, and the other end is formed with a mounting ring, and the mounting ring is connected to the air outlet of the fan through a fastener.

[0014] In the technical solution of the utility model, the fan delivers air to the dust removal box through the air inlet, passes through the channel of the connecting piece, and then passes through the filtering effect of the filter element and is discharged to the external environment through the air outlet. After long-term operation, debris is easily accumulated on the filter element. The operator can remove the bottom cover from the dust removal port, thereby driving the brush seat through the connecting piece to sweep the debris on the filter element and discharge it from the dust removal port. The utility model drives the connecting piece and the brush seat to move in the cavity through the bottom cover, so that the brush seat cleans the debris on the filter element and discharges the debris through the dust removal port. There is no need to disassemble the filter element for cleaning, omitting the disassembly and assembly process of the filter element, and the operation is simple. The filter element can be cleaned at any time to ensure the filtering performance of the filter element, avoiding the clogging of the filter element and affecting normal ventilation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 An exploded view of the ventilation and dust removal device in the embodiment of the utility model;

[0017] Figure 2 for Figure 1 A magnified view of part A in FIG.

[0018] Figure 3 for Figure 1 A magnified view of part B in FIG.

[0019] Figure 4 It is a schematic diagram of the structure of the ventilation and dust removal device in the embodiment of the utility model.

[0020] Description of Figure Numbers:

[0021] 1 dust removal box, 1.1 air inlet, 1.2 air outlet, 1.3 dust removal port, 1.4 first docking ring, 1.4.1 first mounting hole, 2 bottom cover, 2.1 second mounting hole, 3 dust removal assembly, 3.1 filter element, 3.2 connector, 3.2.1 vertical rod, 3.2.2 channel, 3.3 brush holder, 3.3.1 mounting seat, 3.3.2 strip brush, 4 air outlet duct, 5 limit frame, 6 hollow silencer tube, 6.1 ventilation cavity, 7 sound-absorbing cotton sleeve, 8 limit cover, 8.1 ventilation port, 9 return seal, 10 fan connecting pipe, 10.1 mounting ring.

[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0024] The utility model provides a ventilation and dust removal device, aiming to solve the problem that the filter plate of the existing ventilation and dust removal device structure needs to be dismantled for cleaning.

[0025] like Figures 1 to 3 As shown, the ventilation and dust removal device includes a dust removal box 1, a bottom cover 2 and a dust removal assembly 3. A cavity is formed in the dust removal box 1, and an air inlet 1.1 and an air outlet 1.2 connected to the cavity are respectively provided at both ends of the dust removal box 1, and a dust removal port 1.3 connected to the cavity is provided at the bottom of the dust removal box 1, the bottom cover 2 is arranged at the dust removal port 1.3, and the bottom cover 2 is connected to the dust removal box 1, and the air inlet 1.1 is connected to the fan; the dust removal assembly 3 includes a filter element 3.1 and a connector 3.2 and a brush holder 3.3 arranged in the cavity, the filter element 3.1 is arranged at the air outlet 1.2 of the dust removal box 1, the connector 3.2 is vertically arranged on the bottom cover 2, and the connector 3.2 is formed with a channel 3.2.2 arranged opposite to the air outlet 1.2, the brush holder 3.3 is arranged at the end of the connector 3.2 away from the bottom cover 2, and the brush holder 3.3 can clean the debris on the filter element 3.1. In actual operation, the fan delivers air to the dust removal box 1 through the air inlet 1.1, passes through the channel 3.2.2 of the connecting piece 3.2, and then passes through the filtering effect of the filter 3.1 and is discharged to the external environment through the air outlet 1.2. After long-term operation, debris is easily accumulated on the filter 3.1. The operator can remove the bottom cover 2 from the dust removal port 1.3, so as to drive the brush seat 3.3 through the connecting piece 3.2 to sweep the debris on the filter 3.1 and discharge it from the dust removal port 1.3. The utility model drives the connecting piece 3.2 and the brush seat 3.3 to move in the cavity through the bottom cover 2, so that the brush seat 3.3 cleans the debris on the filter 3.1 and discharges the debris through the dust removal port 1.3. There is no need to disassemble the filter 3.1 for cleaning, omitting the disassembly and assembly process of the filter 3.1, and is simple to operate. The filter 3.1 can be cleaned at any time to ensure the filtering performance of the filter 3.1, and the filter 3.1 is prevented from being blocked and affecting normal ventilation.

[0026] Based on the above embodiment, the connecting member 3.2 includes two vertical rods 3.2.1 arranged at intervals, and a channel 3.2.2 is formed between the two vertical rods 3.2.1. The brush seat 3.3 includes a mounting seat 3.3.1 and a strip brush 3.3.2, and the two vertical rods 3.2.1 are connected between the mounting seat 3.3.1 and the bottom cover 2. The brush seat 3.3 abuts against the top wall of the cavity, and the strip brush 3.3.2 is arranged on the mounting seat 3.3.1, and the strip brush 3.3.2 is arranged opposite to the filter element 3.1. The two vertical rods 3.2.1 cooperate to support the brush holder 3.3, and a channel 3.2.2 is formed between the two vertical rods 3.2.1 to facilitate the passage of air. The length of the strip brush 3.3.2 is greater than the size of the filter element 3.1. There is interference between the bristles of the strip brush 3.3.2 and the inner wall of the dust removal box 1 on one side where the air outlet 1.2 is provided, so that when the strip brush 3.3.2 passes through the air outlet 1.2, the bristles can extend into the filter element 3.1 at the air outlet 1.2, thereby taking away the debris on the filter element 3.1, so as to fully clean the filter element 3.1 and ensure the filtering and ventilation effects.

[0027] Furthermore, the ventilation and dust removal device also includes an air outlet pipe 4, a hollow silencer pipe 6 and a limiting frame 5. The air outlet pipe 4 is connected to the air outlet 1.2; the hollow silencer pipe 6 extends into the air outlet pipe 4 and is threadedly connected to the air outlet pipe 4, and the hollow silencer pipe 6 and the limiting frame 5 are matched with a limiting filter 3.1, and a ventilation cavity 6.1 connecting the air outlet pipe 4 and the outside is formed in the hollow silencer pipe 6; the limiting frame 5 is arranged at the air outlet 1.2. The air outlet pipe 4 can not only guide the air discharged from the air outlet 1.2, but also facilitate the installation of the hollow silencer pipe 6. The hollow silencer pipe 6 has a double-wall structure, and a hollow part is provided between the walls to isolate noise. The hollow silencer pipe 6 and the limiting frame 5 are matched with the limiting filter 3.1 to ensure the installation stability of the filter 3.1.

[0028] Furthermore, the ventilation and dust removal device further comprises a sound-absorbing cotton sleeve 7 and a limiting cover 8. The sound-absorbing cotton sleeve 7 is arranged in the ventilation cavity 6.1. The limiting cover 8 is provided with a vent 8.1. The limiting cover 8 is arranged on the end of the hollow muffler pipe 6 away from the dust removal box 1. The edge of the vent 8.1 abuts against the sound-absorbing cotton sleeve 7, and the vent 8.1 is arranged directly opposite the ventilation cavity 6.1. The limiting frame 5 can limit the sound-absorbing cotton sleeve 7 arranged in the ventilation cavity 6.1 to prevent the sound-absorbing cotton sleeve 7 from being separated from the ventilation cavity 6.1, and the sound-absorbing cotton sleeve 7 can silence the gas passing through the ventilation cavity 6.1, so as to further improve the noise reduction performance of the ventilation and dust removal device.

[0029] In one embodiment, the filter element 3.1 is a filter screen; the hollow silencer pipe is a PVC silencer pipe; and the limiting frame 5 is a cross limiting frame 5.

[0030] In addition, the ventilation and dust removal device further includes a circular seal 9, which is arranged on the side of the bottom cover 2 facing the cavity, and the circular seal 9 is arranged opposite to the dust removal port 1.3, and the circular seal 9 matches the shape of the dust removal port 1.3. The circular seal 9 is used to seal the connection between the bottom cover 2 and the edge of the dust removal port 1.3 to prevent air leakage in the dust removal box 1.

[0031] Specifically, a first docking ring 1.4 is formed at the edge of the dust removal port 1.3, and first mounting holes 1.4.1 are respectively opened at the four corners of the first docking ring 1.4. The edge of the bottom cover 2 is provided with second mounting holes 2.1 corresponding to the first mounting holes 1.4.1, and the fasteners pass through the first mounting holes 1.4.1 and the second mounting holes 2.1 in sequence to connect the first docking ring 1.4 and the bottom cover 2. The dust removal box 1 is connected to the bottom cover 2 through the first docking ring 1.4, so as to facilitate the disassembly and installation of the bottom cover 2 and the cleaning operation of the filter element 3.1. Preferably, the fasteners are respectively threadedly connected to the first docking ring 1.4 and the bottom cover 2.

[0032] In addition, the ventilation and dust removal device also includes a fan connecting pipe 10, one end of which is connected to the air inlet 1.1 of the dust collector 1, and the other end is formed with a mounting ring 10.1, and the mounting ring 10.1 is connected to the air outlet of the fan through a fastener. The fan connecting pipe 10 is connected to the air outlet of the fan through the mounting ring 10.1, which is convenient for docking and ensures the stability of the connection. Preferably, the outer surface of the mounting ring 10.1 is provided with a plurality of perforations, and the plurality of perforations are distributed in an annular shape.

[0033] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A ventilation and dust removal device, characterized in that: The ventilation and dust removal device comprises a dust removal box (1), a bottom cover (2) and a dust removal assembly (3); a cavity is formed in the dust removal box (1), and an air inlet (1.1) and an air outlet (1.2) communicating with the cavity are respectively provided at two ends of the dust removal box (1), and a dust removal port (1.3) communicating with the cavity is provided at the bottom of the dust removal box (1); the bottom cover (2) is arranged at the dust removal port (1.3), and the bottom cover (2) is connected to the dust removal box (1); the air inlet (1.1) is connected to the fan; the dust removal assembly (3) comprises a filter element (3.1) and a connecting piece (3.2) and a brush holder (3.3) arranged in the cavity, the filter element (3.1) is arranged at the air outlet (1.2) of the dust removal box (1), the connecting piece (3.2) is vertically arranged on the bottom cover (2), and the connecting piece (3.2) forms a channel (3.2.2) arranged opposite to the air outlet (1.2), the brush holder (3.3) is arranged at one end of the connecting piece (3.2) away from the bottom cover (2), and the brush holder (3.3) can clean the debris on the filter element (3.1).

2. The ventilation and dust removal device according to claim 1, characterized in that: The connecting member (3.2) comprises two vertical rods (3.2.1) arranged at intervals, the channel (3.2.2) being formed between the two vertical rods (3.2.1), the brush holder (3.3) comprising a mounting seat (3.3.1) and a strip brush (3.3.2), and the two vertical rods (3.2.1) are connected between the mounting seat (3.3.1) and the bottom cover (2), the brush holder (3.3) abuts against the top wall of the cavity, the strip brush (3.3.2) is arranged on the mounting seat (3.3.1), and the strip brush (3.3.2) is arranged directly opposite to the filter element (3.1).

3. The ventilation and dust removal device according to claim 2, characterized in that: The ventilation and dust removal device also includes an air outlet pipe (4), a hollow silencer pipe (6) and a limiting frame (5); the air outlet pipe (4) is connected to the air outlet (1.2); the hollow silencer pipe (6) extends into the air outlet pipe (4) and is threadedly connected to the air outlet pipe (4); the hollow silencer pipe (6) cooperates with the limiting frame (5) to limit the filter element (3.1); a ventilation cavity (6.1) connecting the air outlet pipe (4) and the outside is formed in the hollow silencer pipe (6); the limiting frame (5) is arranged at the air outlet (1.2).

4. The ventilation and dust removal device according to claim 3, characterized in that: The ventilation and dust removal device further comprises a sound-absorbing cotton sleeve (7) and a limiting cover (8); the sound-absorbing cotton sleeve (7) is arranged in the ventilation cavity (6.1); the limiting cover (8) is provided with a ventilation opening (8.1); the limiting cover (8) is arranged on an end of the hollow silencer pipe (6) away from the dust removal box (1); the edge of the ventilation opening (8.1) abuts against the sound-absorbing cotton sleeve (7), and the ventilation opening (8.1) is arranged directly opposite to the ventilation cavity (6.1).

5. The ventilation and dust removal device according to claim 4, characterized in that: The filter element (3.1) is a filter screen; the hollow silencer pipe (6) is a PVC silencer pipe; and the limit frame (5) is a cross limit frame (5).

6. The ventilation and dust removal device according to any one of claims 1 to 5, characterized in that: The ventilation and dust removal device also includes a return-shaped sealing gasket (9), which is arranged on a side of the bottom cover (2) facing the cavity, and the return-shaped sealing gasket (9) is arranged opposite to the dust removal port (1.3), and the return-shaped sealing gasket (9) matches the shape of the dust removal port (1.3).

7. The ventilation and dust removal device according to any one of claims 1 to 5, characterized in that: A first docking ring (1.4) is formed on the edge of the dust removal port (1.3); first mounting holes (1.4.1) are respectively formed at four corners of the first docking ring (1.4); a second mounting hole (2.1) corresponding to the first mounting hole (1.4.1) is formed on the edge of the bottom cover (2); and a fastener passes through the first mounting hole (1.4.1) and the second mounting hole (2.1) in sequence to connect the first docking ring (1.4) and the bottom cover (2).

8. The ventilation and dust removal device according to any one of claims 1 to 5, characterized in that: The ventilation and dust removal device also includes a fan connecting pipe (10), one end of which is connected to the air inlet (1.1) of the dust removal box (1), and the other end of which is formed with a mounting ring (10.1), and the mounting ring (10.1) is connected to the air outlet of the fan via a fastener.

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