CN215412323U - Ultra-silent fresh air fan for filtering PM2.5 - Google Patents
Ultra-silent fresh air fan for filtering PM2.5 Download PDFInfo
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- CN215412323U CN215412323U CN202023253981.0U CN202023253981U CN215412323U CN 215412323 U CN215412323 U CN 215412323U CN 202023253981 U CN202023253981 U CN 202023253981U CN 215412323 U CN215412323 U CN 215412323U
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- fresh air
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- air outlet
- driving groove
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Abstract
The utility model relates to the technical field of fresh air fan structures, in particular to an ultra-silent fresh air fan for filtering PM2.5, which comprises a fresh air fan body, wherein an air outlet is formed in the front of the fresh air fan body, a fan blade device is embedded into the air outlet and comprises a plurality of uniformly distributed fan blades, a plurality of column holes for limiting hinge columns are formed in one side of the air outlet, a driving groove is formed in the other side of the air outlet, a through hole penetrating through the inner wall of the driving groove to the front of the fresh air fan body is formed in the inner wall of the driving groove, a driving arm is arranged in the driving groove, and a power block hinged with the driving arm is arranged in the through hole. The size of the fan blade opening can be adjusted, and the purposes of energy conservation and high efficiency are achieved; secondly, when the fan blades are wiped, dust can be prevented from entering the interior of the fresh air fan, so that the filter element keeps a normal purification effect; when the new fan is not used, the fan blades are adjusted to be in a closed state through the gears, so that the inside of the new fan is isolated from the outside, air cannot enter, and the inside of the new fan is kept clean.
Description
Technical Field
The utility model relates to the technical field of new fan structures, in particular to an ultra-silent new fan for filtering PM 2.5.
Background
The fresh air machine is an effective air purification device, can circulate indoor air, on one hand, discharges dirty indoor air outdoors, on the other hand, inputs outdoor fresh air into the room after measures such as sterilization, disinfection, filtration and the like, so that the room is always fresh and clean air, and the fresh air machine is a health partner of home life. The most concerned reference point of the new fan is how to use the purification efficiency, at present, the new fan mainly depends on different kinds of filter screens, some new fans are filtered by adopting an electrostatic dust removal mode, filter elements can be cleaned, the filter elements need to be cleaned regularly, but the common new fans are filtered by adopting a physical adsorption mode, the filter elements need to be replaced, so the filter elements need to be protected, the air outlet of the new fan is provided with fixed fan blades at present, the dust on the fan blades is increased after long-time use, the air outlet effect is influenced, the dust can fall into the new fan when the fan blades are cleaned, the filter screens are blocked, because the fixed fan blades can not isolate the inside and the outside of the new fan when the new fan is not used, the dust in the air can also enter, therefore, the fan blade adjustable machine is needed, the cleaning is good, and the necessary protection can be realized on the filter elements inside, thereby make new fan's live time longer, the purifying effect is better.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides an ultra-silent fresh air fan for filtering PM2.5, which solves the problems that fan blades are not easy to clean and dust always in an opening is easy to pollute a filter element.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an ultra-silent fresh air fan for filtering PM2.5 comprises a fresh air fan body, wherein an air outlet is formed in the front of the fresh air fan body, a fan blade device is embedded in the air outlet and comprises a plurality of uniformly distributed fan blades, a hinge column is arranged at one end of each fan blade, a connecting plate is vertically arranged at the other end of each fan blade, a plurality of column holes for limiting the hinge column are formed in one side of the air outlet, a driving groove is formed in the other side of each air outlet, a through hole penetrating through the inner wall of the driving groove to the front of the fresh air fan body is formed in the inner wall of the driving groove, a driving arm is arranged in the driving groove, a power block is arranged in the through hole, and a plurality of connecting plates are longitudinally and uniformly distributed and fixed on the driving arm; the driving arm comprises a connecting arm, a power arm is fixedly connected to the connecting arm, and one end of the power arm is a gear end. A power arm is used for driving the connecting arm to move to serve as a driving end; one end of the upper part of the connecting plate is fixed on the connecting arm, and the other end of the connecting plate is hinged with the inner wall of the driving groove. The hinged end of the inner wall of the driving groove is used as the middle point of the movement of the fan blade; the power block is a gear meshed with the gear end, and connecting columns connected with the through holes are arranged on two sides of the gear. The gear is fixed in the through hole through the connecting column, and the gear is pulled by hand to drive the power block to integrally move through the gear.
Preferably, angle irons are arranged between the connecting plates and the fan blades. The angle iron realizes the fixation between the connecting plate and the fan blade through screws.
Preferably, the bottom of the through hole is provided with a limiting piece. The limiting piece avoids the phenomenon that the gear can rotate due to the gravity of the fan blade, and the limiting piece enables the fan blade to be better fixed.
The utility model has the beneficial effects that: according to the ultra-silent fresh air fan for filtering PM2.5, the fan blades which can be manually adjusted are embedded into the air outlet, and the size of the fan blade opening can be adjusted under the limiting of the limiting piece according to the indoor purification effect, so that the purposes of energy conservation and high efficiency are achieved; secondly, when the fan blades need to be cleaned, the fan blades are in a closed state and are cleaned, so that dust is prevented from entering the interior of the fresh air machine, the filter element cannot be blocked by the cleaned dust, and the filter element keeps a normal purification effect; finally, when the fresh air machine is not used, the fan blades are adjusted to be in a closed state through the gears, so that the inside of the fresh air machine is isolated from the outside, air cannot enter, and the inside of the fresh air machine is kept clean.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a fan blade device according to the present invention;
FIG. 3 is a schematic view of part A of FIG. 2;
FIG. 4 is a schematic side view of a fan blade device according to the present invention;
FIG. 5 is a schematic view of the internal structure of the driving slot of the present invention.
Wherein: 1. fresh air machine body, 2, air outlet, 3, flabellum, 4, hinge post, 5, connecting plate, 6, drive groove, 7, through-hole, 8, linking arm, 9, power arm, 10, gear end, 11, gear, 12, spliced pole, 13, angle bar, 14, spacing piece.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, 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 application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the utility model and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
As shown in fig. 1-5, an ultra-silent fresh air fan for filtering PM2.5 comprises a fresh air fan body 1, wherein an air outlet 2 is arranged in front of the fresh air fan body 1, a fan blade device is embedded in the air outlet 2 and comprises a plurality of uniformly distributed fan blades 3, one end of each fan blade 3 is provided with a hinge column 4, the other end of each fan blade 3 is vertically provided with a connecting plate 5, and an angle iron 13 is arranged between each connecting plate 5 and each fan blade 3; one end of the upper part of the connecting plate 5 is fixed on the connecting arm 8, and the other end of the upper part of the connecting plate is hinged with the inner wall of the driving groove 6; a plurality of column holes for limiting the hinge columns 4 are formed in one side of the air outlet 2, a driving groove 6 is formed in the other side of the air outlet, a through hole 7 penetrating to the front of the fresh air machine body 1 is formed in the inner wall of the driving groove 6, a driving arm is arranged in the driving groove 6 and comprises a connecting arm 8, a power arm 9 is fixedly connected to the connecting arm 8, and a gear end 10 is arranged at one end of the power arm 9; a power block is arranged in the through hole 7, and a limiting piece 14 is arranged at the bottom of the through hole 7; the power block is a gear 11 meshed with the gear end 10, and connecting columns 12 connected with the through holes 7 are arranged on two sides of the gear 11; and the connecting plates 5 are longitudinally and uniformly distributed and fixed on the driving arms.
The working principle is as follows: according to the ultra-silent fresh air fan for filtering PM2.5, when the fan blade 3 is opened, the gear 11 is rotated manually after the limiting piece 14 is pulled out, the gear 11 and the gear end 10 on the power arm 9 move to drive the power arm 9 and the connecting arm 8 to move up and down, the connecting arm 8 drives the connecting plate 5 fixed on the connecting plate to rotate along with the hinged end at one end of the connecting plate 5, the rotation amplitude depends on the rotation amplitude of the manual gear 11, at the moment, the fan blade 3 is opened along with the rotation amplitude of the hinged end, the opening size of the fan blade 3 can be adjusted as required, and finally the bottom of the gear 11 is clamped by the limiting piece 14, so that the fan blade cannot rotate due to the gravity of the fan blade 3; when the fan blades 3 are closed, the gear 11 is rotated in the opposite direction. And cleaning dust on the fan blades 3, closing the fan blades 3 according to the operation, and wiping.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a filter PM 2.5's new fan of super-silent, includes new fan body, the preceding air outlet that is equipped with of new fan body, its characterized in that: the air outlet is embedded with a fan blade device which comprises a plurality of fan blades which are uniformly distributed, one end of the fan blade is provided with a hinge post, the other end of the fan blade is vertically provided with a connecting plate, one side of the air outlet is provided with a plurality of post holes for limiting the hinge post, the other side of the air outlet is provided with a driving groove, a through hole penetrating to the front of the fresh air fan body is arranged on the inner wall of the driving groove, a driving arm is arranged in the driving groove, the driving arm comprises a connecting arm, a power arm is fixedly connected to the connecting arm, one end of the power arm is a gear end, the through hole is internally provided with a power block which is a gear meshed with the gear end, connecting columns connected with the through hole are arranged on two sides of the gear, a plurality of connecting plates are longitudinally and uniformly distributed and fixed on the driving arm, one end of the upper part of the connecting plate is fixed on the connecting arm, and the other end of the connecting plate is hinged with the inner wall of the driving groove.
2. The ultra-silent fresh air machine for filtering PM2.5 according to claim 1, characterized in that: and an angle iron is arranged between the connecting plate and the fan blade.
3. The ultra-silent fresh air machine for filtering PM2.5 according to claim 2, characterized in that: and the bottom of the through hole is provided with a limiting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023253981.0U CN215412323U (en) | 2020-12-30 | 2020-12-30 | Ultra-silent fresh air fan for filtering PM2.5 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023253981.0U CN215412323U (en) | 2020-12-30 | 2020-12-30 | Ultra-silent fresh air fan for filtering PM2.5 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215412323U true CN215412323U (en) | 2022-01-04 |
Family
ID=79638067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023253981.0U Active CN215412323U (en) | 2020-12-30 | 2020-12-30 | Ultra-silent fresh air fan for filtering PM2.5 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215412323U (en) |
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2020
- 2020-12-30 CN CN202023253981.0U patent/CN215412323U/en active Active
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