CN207648982U - an air purifier - Google Patents

Abstract

The utility model discloses an air purifier, which aims to solve the problem that the primary-effect filter screen is inconvenient to clean. The main point of the technical scheme is that the primary-effect filter screen is driven to rotate in the circumferential direction by using a driving part. During the rotation process, the primary-effect filter screen The part located in the air inlet chamber is used to filter the dust in the air. After starting the dust removal device, it can continuously clean the part of the primary effect filter in the dust removal chamber where the dust adheres, while continuously filtering the dust in the air. , also has the effect of being able to clean the primary filter screen conveniently.

Description

an air purifier

technical field

The utility model relates to an air purification device, in particular to an air purifier.

Background technique

Air purifiers, also known as "air cleaners", air fresheners, and purifiers, refer to decoration pollution that can absorb, decompose or transform various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, etc.) , bacteria, allergens, etc.), products that effectively improve air cleanliness.

The Chinese patent with the existing authorized notification number CN204853704U discloses an air purifier, including a housing, an air inlet arranged on one side of the housing and an air outlet arranged on the other side of the housing. Filter screen, electrostatic precipitator, the first composite filter, the second composite filter, LED germicidal lamp, suction fan and negative ion generator, the primary effect filter is located at the air inlet; the electrostatic precipitator is combined with the first and second composite filter respectively The first and second composite filters are equipped with high-efficiency activated carbon layer, HEPA filter element, deozone filter element and photocatalyst sterilizing filter element in sequence, and the photocatalyst sterilizing filter element is facing the LED germicidal lamp; The right side is provided with a suction fan, and the right side of the suction fan is provided with a negative ion generator, and the negative ion generator is located at the air outlet.

However, after the above-mentioned air purifier is used for a long time, a large amount of dust will accumulate on the primary filter, which will affect the filtering effect. When it is necessary to clean the primary filter, it is first necessary to stop the machine and disassemble the casing, then disassemble the primary filter, and then clean it. This process is time-consuming, so this problem needs to be solved.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide an air purifier, which has the advantage of being able to clean the primary filter screen conveniently.

In order to achieve the above object, the utility model provides the following technical solutions:

An air cleaner, comprising a housing, the housing is provided with a cylindrical air inlet channel, the air inlet channel has an air inlet, the air inlet is located on the outer wall of the housing, and the air inlet A front plate is provided at the place; the inner wall of the air inlet passage is provided with a partition along its axial direction, and the partition divides the air inlet passage into an air inlet chamber and a dust removal chamber; the diameter of the partition along the air inlet passage There is a relief hole in the direction, and a circular primary effect filter is arranged in the said relief hole; a part of the primary effect filter extends into the air inlet cavity, and a part is located in the dust removal cavity; the partition plate There is also a driving member for driving the primary effect filter to rotate in the circumferential direction; a suction fan is arranged on the inner wall of the air inlet chamber parallel to the front plate, and a dust removal device for cleaning the primary effect filter is arranged in the dust removal chamber .

By adopting the above technical solution, in the initial state, the driving part is not activated, and the part of the primary filter located in the air inlet cavity plays the role of filtering dust. When it is necessary to clean the primary filter, start the drive. The driving part is used to drive the primary effect filter to rotate circumferentially. During the rotation, the part of the primary effect filter located in the air inlet chamber is used to filter the dust in the air. After the dust removal device is activated, the dust in the air can be filtered while cleaning the dust adhered to the primary filter. While continuously filtering the dust in the air, the utility model can also perform self-cleaning on the primary-effect filter screen without manual disassembly and cleaning.

Further, the dust removal device includes a dust removal plate arranged on the side of the primary effect filter away from the front plate, and an air storage chamber is arranged inside the dust removal plate; several A micro-pore communicated with the air storage chamber, the side wall of the dust removal plate away from the primary effect filter screen is provided with a through hole communicated with the air storage chamber; the through hole is connected with a high pressure air pipe, and the high pressure air pipe is far away from the side wall of the dust removal plate One end is connected with a high-pressure air blowing device.

By adopting the above-mentioned technical scheme, the high-pressure blowing device can deliver high-pressure gas. After the gas is delivered to the gas storage cavity through the high-pressure air pipe, the gas will be blown from the micropores to the primary filter to be cleaned, which can effectively make the dust from the primary filter. Remove from the strainer. On the other hand, the blowing direction of the high-pressure air blowing device is opposite to the air intake direction of the purifier, which makes it easier to blow off the dust adhering to the primary filter, and the cleaning effect is better.

Further, the high-pressure air blowing device is a high-pressure air pump, and several air inlets communicated with the dust removal chamber are provided on the outer wall of the housing.

By adopting the above technical solution, the high-pressure air pump has the advantages of large air volume, low noise and long service life, and can continuously and stably deliver high-pressure gas to the air storage chamber of the dust removal plate. On the other hand, the air intake hole on the casing can continuously provide the gas source for the high-pressure air pump.

Further, a dust collection cover is provided in the dust removal chamber and on the side of the primary effect filter close to the front plate, and the opening of the dust collection cover faces the dust removal plate; the dust collection cover is also connected with a dust suction hose, The dust suction hose is connected with a dust suction device.

By adopting the above technical solution, the dust flying out of the primary filter can be sucked away through the dust collecting hood, which prevents the dust from floating in the dust removal cavity and increases the dust removal efficiency. The dust sucked by the dust collection hood will gather in the dust suction device through the dust suction hose, which is easy to clean.

Further, the dust collection device is a small vacuum cleaner, and the small vacuum cleaner is arranged on the outer wall of the casing.

By adopting the above technical solution, the small vacuum cleaner has a small volume, does not take up space, and is easy to install.

Further, the dust collecting hood is in the shape of a prism.

By adopting the above technical solution, the frustum-shaped first dust collecting hood and the second dust collecting hood have large opening areas, which are convenient for sucking the air with dust.

Further, the inner peripheral side wall of the air inlet passage is provided with an annular groove, and the outer peripheral side wall of the primary effect filter is provided with an annular limiting plate extending into the annular groove.

By adopting the above technical solution, the ring-shaped limiting plate has the function of limiting, so that the primary effect filter screen will not swing when it rotates in the circumferential direction, and the stability of the primary effect filter screen's circumferential rotation is increased.

Further, the outer peripheral side wall of the annular limiting plate is also embedded with several balls which are in contact with the bottom wall of the annular groove.

By adopting the above technical solution, the frictional force between the annular limiting plate and the bottom wall of the annular groove is reduced, which is more conducive to the rotation of the annular limiting plate.

In summary, the utility model has the following beneficial effects:

1. By setting the air inlet chamber and the dust removal chamber, start the driving part to make the primary filter rotate in the circumferential direction. At this time, start the dust removal device again, and the dust in the air can be continuously filtered while cleaning the primary filter;

2. By setting up the dust collection cover, the dust flying out of the primary filter can be sucked away, and the dust sucked away will gather in the dust collection device, which prevents the dust from floating in the dust removal chamber and increases the dust removal efficiency;

3. By setting the ring-shaped limit plate, the stability of the primary filter when it rotates in the circumferential direction is increased, and the balls on the ring-shaped limit plate reduce the friction between the ring-shaped limit plate and the bottom wall of the annular groove , which is more conducive to the rotation of the ring-shaped limiting plate.

Description of drawings

Fig. 1 is the overall structural representation of air purifier in the embodiment;

Fig. 2 is the sectional view of air cleaner in the embodiment;

Fig. 3 is an enlarged view of part A in Fig. 2;

FIG. 4 is an enlarged view of part B in FIG. 2 .

In the figure: 1. Shell; 11. Front plate; 12. Air intake hole; 13. Ventilation hole; 14. Air outlet hole; 2. Air inlet passage; 21. Air inlet; 22. Annular groove; Net; 31. Ring-shaped limit plate; 32. Ball; 4. Partition plate; 41. Relief hole; 42. Driver; 43. Installation slot; 44. Installation hole; 5. Air inlet chamber; 6. Dust removal chamber ;7, suction fan; 8, dust removal plate; 81, air storage cavity; 82, micro air hole; 83, through hole; 84, high pressure air pipe; 85, high pressure blowing device; Tube; 92. Dust suction device.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Example:

An air purifier, referring to FIG. 1 , includes a housing 1 , and a cylindrical air inlet channel 2 is arranged inside the housing 1 . The air inlet channel 2 has an air inlet 21, and the air inlet 21 is located on the outer wall of the housing 1, and the air inlet 21 is provided with a front plate 11, and the front plate 11 is provided with a vent hole 13 for allowing air to enter the purifier .

Referring to Fig. 2 and Fig. 3, the inner wall of the air inlet channel 2 is provided with a circular primary filter 3 along its radial direction, and the inner wall of the air inlet channel 2 is provided with a partition 4 along its axial direction. A relief hole 41 is provided on the dividing plate 4 for passing through the primary filter 3 . A mounting groove 43 is defined on the partition 4 , and a mounting hole 44 extending to the relief hole 41 is defined on the inner side wall of the mounting groove 43 . In the mounting groove 43, a driver 42 is provided. In the present embodiment, the driver 42 is a motor, and the drive rod of the motor passes through the mounting hole 44 and is connected with the center of the primary filter 3 to drive the primary filter 3 circumferentially. turn.

Referring to FIG. 2 , the partition plate 4 separates the air inlet channel 2 into an air inlet chamber 5 and a dust removal chamber 6 . A suction fan 7 is fixedly arranged on the inner side wall of the air inlet cavity 5 parallel to the front plate 11 for forming a directional airflow in the air inlet channel 2 . The dust removal chamber 6 is provided with a dust removal device for cleaning the primary filter screen 3 . An air outlet hole 14 communicating with the air inlet chamber 5 is opened on the outer wall of the housing 1, and the air purified by the purifier flows out through the air outlet hole 14 (refer to FIG. 1 ).

Referring to FIG. 2 , the dust removal device includes a dust removal plate 8 fixedly arranged on the bottom surface of the partition plate 4 and located on the side of the primary filter 3 away from the front plate 11 . An air storage cavity 81 is provided in the dust removal plate 8 , and a plurality of micro-air holes 82 communicating with the air storage cavity 81 are provided on the side wall of the dust removal plate 8 close to the primary filter screen 3 . The side wall of the dust removal plate 8 away from the primary effect filter screen 3 is provided with a through hole 83 communicating with the air storage chamber 81, the through hole 83 is connected with a high pressure air pipe 84, and the end of the high pressure air pipe 84 away from the dust removal plate 8 is connected with a high pressure blowing device 85. In this embodiment, the high-pressure air blowing device 85 is a high-pressure air pump, which can continuously and stably deliver high-pressure air to the air storage chamber 81 of the dust removal plate 8 . The high-pressure gas in the air storage cavity 81 of the dust removal plate 8 can be blown to the primary effect filter screen 3 by the micropores 82, for blowing away the dust on the primary effect filter screen 3. The outer wall of the housing 1 is provided with several air inlets 12 communicating with the dust removal chamber 6 for supplying gas to the high-pressure air pump (refer to FIG. 1 ).

Referring to Fig. 1 and Fig. 2, on the bottom surface of the partition plate 4 and on the side near the front plate 11 of the primary effect filter screen 3, a dust collection cover 9 in the shape of a quadrangular platform is provided, and the opening of the dust collection cover 9 faces the dust removal plate 8 . The dust collection cover 9 is connected with a dust suction hose 91 , and the dust suction hose 91 is connected with a dust suction device 92 . The dust collection device 92 is a small vacuum cleaner, and the small vacuum cleaner is fixedly arranged on the outer wall of the casing 1 . The dust sucked by the dust collecting cover 9 can be gathered in the dust suction device 92 through the dust suction hose 91, which is convenient for cleaning.

Referring to Fig. 2 and Fig. 4, the inner circumferential side wall of the air inlet passage 2 is provided with an annular groove 22, and the outer circumferential side wall of the primary effect filter screen 3 is fixedly provided with an annular limiting plate 31, and the annular limiting plate 31 extends into the Annular groove 22. Several balls 32 are embedded on the outer peripheral side wall of the annular limiting plate 31 , and the balls 32 contact the bottom wall of the annular groove 22 .

It works as follows:

In the initial state, the driver 42 is not activated, and the upper part of the primary filter 3 is located in the air inlet cavity 5 for filtering dust. The lower part of the primary effect filter screen 3 is located in the dust removal chamber 6 and is in a cleaned state.

When the primary filter screen 3 needs to be cleaned, the driver 42 is started to drive the primary filter screen 3 to rotate circumferentially. During the rotation process, the part of the primary filter screen 3 located in the air inlet chamber 5 is used to filter the dust in the air. After starting the high-pressure air pump and the small vacuum cleaner, the high-pressure gas can be blown to the part of the primary effect filter screen 3 located in the dust removal chamber 6 through the micropores 82 on the dust removal plate 8, so that the dust is separated from the primary effect filter screen 3 . The dust collection cover 9 will gather the dust detached from the primary effect filter screen 3 in the small vacuum cleaner through the dust suction hose 91, which is convenient for cleaning.

The utility model can filter the dust in the air while cleaning the dust adhering to the primary effect filter screen 3 . It has the advantage of being able to clean the primary filter screen 3 conveniently without manual disassembly and cleaning.

Claims (8)

1. An air cleaner, comprising a housing (1), is characterized in that: the housing (1) is provided with a cylindrical air inlet passage (2), and the air inlet passage (2) has an inlet The air inlet (21), the air inlet (21) is located on the outer wall of the housing (1), and the air inlet (21) is provided with a front plate (11); the inner wall of the air inlet channel (2) A partition (4) is arranged along its axial direction, and the partition (4) divides the air inlet passage (2) into an air inlet chamber (5) and a dust removal chamber (6); the upper edge of the partition (4) The air inlet channel (2) is provided with a relief hole (41) in the radial direction, and a circular primary effect filter (3) is rotated in the said relief hole (41); the primary effect filter (3) ) a part extends into the air inlet chamber (5), and a part is located in the dust removal chamber (6); the partition plate (4) is also provided with a driving member (42) for driving the primary effect filter screen (3) to rotate in the circumferential direction ; A suction fan (7) is arranged on the inner side wall of the air inlet chamber (5) parallel to the front plate (11), and a dust removal device for cleaning the primary filter (3) is arranged in the dust removal chamber (6). 2. A kind of air purifier according to claim 1, is characterized in that: described dedusting device comprises the dedusting plate (8) that is arranged on the side of primary filter screen (3) away from front plate (11), so The dust removal plate (8) is provided with an air storage cavity (81); the side wall of the dust removal plate (8) near the primary effect filter screen (3) is provided with several micropores ( 82), the side wall of the dust removal plate (8) away from the primary effect filter screen (3) is provided with a through hole (83) communicating with the air storage cavity (81); the through hole (83) is connected with a high-pressure air pipe ( 84), the end of the high-pressure air pipe (84) away from the dust removal plate (8) is connected with a high-pressure air blowing device (85). 3. An air purifier according to claim 2, characterized in that: the high-pressure air blowing device (85) is a high-pressure air pump, and the outer wall of the housing (1) is provided with several dust-removing chambers (6) connected air intake holes (12). 4. An air purifier according to claim 2 or 3, characterized in that: in the dust removal chamber (6) and on the side of the primary effect filter (3) close to the front plate (11) is provided a collector A dust cover (9), the opening of the dust collection cover (9) faces the dust removal plate (8); the dust collection cover (9) is also connected with a dust suction hose (91), and the dust suction hose (91 ) is connected with dust collector (92). 5. The air purifier according to claim 4, characterized in that the dust collection device (92) is a small vacuum cleaner, and the small vacuum cleaner is arranged on the outer wall of the casing (1). 6. An air cleaner according to claim 4, characterized in that the dust collecting cover (9) is in the shape of a prism. 7. A kind of air purifier according to claim 1, characterized in that: the inner circumferential side wall of the air inlet passage (2) is provided with an annular groove (22), and the primary filter (3) The outer peripheral side wall is provided with an annular limiting plate (31) extending into the annular groove (22). 8. An air purifier according to claim 7, characterized in that: the outer peripheral side wall of the annular limiting plate (31) is also embedded with a number of holes that are in contact with the bottom wall of the annular groove (22). Ball (32).