CN215993805U - Hand-held dust collector head - Google Patents
Hand-held dust collector head Download PDFInfo
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- CN215993805U CN215993805U CN202121915952.8U CN202121915952U CN215993805U CN 215993805 U CN215993805 U CN 215993805U CN 202121915952 U CN202121915952 U CN 202121915952U CN 215993805 U CN215993805 U CN 215993805U
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- air
- air outlet
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- air duct
- silencing
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Abstract
The utility model discloses a hand-held dust collector head, which comprises: the motor is arranged in the shell; an air cavity and a silencing air channel are arranged in the shell; the fan blades are distributed in an annular array to form a spiral air duct; the noise reduction air duct is annular and is arranged at the top of the fan blade and filled with noise reduction cotton; the air outlet of the motor sequentially passes through the air cavity, the spiral air duct and the silencing air duct. The utility model is provided with the spiral air duct and the silencing cotton, and effectively reduces wind noise by turning the air outlet of the motor for multiple times.
Description
Technical Field
The utility model relates to the technical field of dust collectors, in particular to a handheld dust collector head.
Background
The handheld dust collector sucks garbage or dust in the environment through vacuum, and is popular among users due to the fact that the handheld dust collector is convenient to use and light in weight.
However, the handheld dust collector in the prior art has short air outlet distance and large wind noise of the motor.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defects of short air outlet distance and large air noise in the prior art.
In order to solve the above technical problem, the present invention provides a hand-held cleaner head, comprising: the motor is arranged in the shell;
an air cavity and a silencing air channel are arranged in the shell; the fan blades are distributed in an annular array to form a spiral air duct; the noise reduction air duct is annular and is arranged at the top of the fan blade and filled with noise reduction cotton; the air outlet of the motor sequentially passes through the air cavity, the spiral air duct and the silencing air duct.
As a preferable mode of the present invention, the fan blade is connected to the bottom surface of the wind cavity.
As a preferable mode of the present invention, an air outlet portion is disposed between the fan blade and the inner wall of the air cavity.
As a preferable aspect of the present invention, the silencing duct covers the air outlet portion.
As a preferred mode of the present invention, the bottom of the muffling air channel has a plurality of air outlet holes corresponding to the air outlet portion.
As a preferred mode of the present invention, an outer ring of the muffling air channel is further provided with a steering air channel protruding outward, and the motor outlet air enters the steering air channel from the muffling air channel.
As a preferred mode of the present invention, the air outlet of the silencing air duct and the air outlet of the turning air duct are provided with air outlet nets.
As a preferable mode of the present invention, a convex top cover is provided on the top of the wind chamber.
As a preferable mode of the present invention, an air outlet upper cover is disposed above an air outlet of the silencing air duct, and an air outlet gap is formed between the air outlet upper cover and the top cover.
As a preferred mode of the present invention, the fan blade is provided with an auxiliary blade having the same height as the fan blade on the motor side, and the auxiliary blade and the fan blade form an included angle.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the handheld dust collector head is provided with the spiral air duct and the silencing cotton, and effectively reduces wind noise by turning the air outlet of the motor for multiple times.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.
FIG. 1 is a schematic view of a hand-held cleaner head of the present invention.
Fig. 2 is a schematic longitudinal sectional view of a hand-held cleaner head of the present invention.
Figure 3 is a schematic longitudinal cross-sectional view of the hand-held cleaner head housing of the present invention.
Fig. 4 is a schematic cross-sectional view of a hand-held cleaner head of the present invention.
The specification reference numbers indicate: 1. the air conditioner comprises a shell, 11 wind cavities, 111 fan blades, 112 air outlet parts, 113 auxiliary blades, 12 noise reduction air ducts, 121 noise reduction cotton, 122 steering air ducts, 13 air outlet nets, 14 top covers, 15 air outlet upper covers, 16 air outlet gaps and 2 motors.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" or "first" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements does not include a limitation to the listed steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1-4, an embodiment of a hand-held cleaner head of the present invention comprises: casing 1, motor 2 installs in casing 1.
An air cavity 11 and a silencing air duct 12 are arranged in the shell 1. A plurality of fan blades 111 are arranged in the air cavity 11, included angles are formed between the fan blades 111 and the inner wall of the air cavity 11, and the fan blades 111 are distributed in an annular array to form a spiral air duct. The silencing air duct 12 is annular, is arranged at the top of the fan blade 111 and is filled with silencing cotton 121, and the bottom of the silencing air duct 12 is provided with a plurality of air outlets. The air outlet of the motor 2 sequentially passes through the air cavity 11, the spiral air duct and the silencing air duct 12.
Be equipped with motor 2 installation position in casing 1, motor 2 installs in casing 1, and motor 2's part stretches into wind chamber 11, and motor 2's air-out is followed wind chamber 11 and is derived.
The number of the fan blades 111 arranged in the wind cavity 11 is two or more, the fan blades 111 are distributed in an annular array by taking the center of the wind cavity 11 as a midpoint, one end of each fan blade 111 is connected with the inner wall of the wind cavity 11, the other end of each fan blade is far away from the inner wall of the wind cavity 11, the fan blades 111 form a spiral wind channel, the wind outlet of the motor 2 in the wind cavity 11 is cut by the fan blades 111 and rotates along with the spiral wind channel, and the wind outlet path is prolonged.
The upper portion of the spiral air duct is provided with a silencing air duct 12, the silencing air duct 12 is annular and is connected with the fan blades 111, and the air outlet of the motor 2 in the spiral air duct enters the silencing air duct 12 from the bottom of the silencing air duct 12. Silencing cotton 121 is filled in silencing air duct 12, and silencing cotton 121 in silencing air duct 12 is used for further making an uproar of falling to the air-out of motor 2.
Preferably, the fan blades 111 are connected with the bottom surface of the wind cavity 11. An air outlet part 112 is arranged between the fan blade 111 and the inner wall of the air cavity 11. The silencing duct 12 covers the air outlet portion 112. The bottom of the silencing air duct 12 has a plurality of air outlets corresponding to the air outlet 112.
The space between the fan blades 111 and the inner wall of the air cavity 11 is an air outlet portion 112, an air outlet hole is formed in the position, corresponding to the air outlet portion 112, of the silencing air duct 12, and air outlet of the motor 2 enters the silencing air duct 12 from the air outlet portion 112 through the air outlet hole.
Preferably, the outer ring of the silencing air duct 12 is further provided with a outward protruding turning air duct 122, and the outlet air of the motor 2 enters the turning air duct 122 from the silencing air duct 12.
Silencing cotton 121 is filled in silencing air duct 12, and the air outlet of motor 2 is to turning to air duct 122 output again after making an uproar through silencing cotton 121, turns to air duct 122 and provides to turn to, extension air-out route for the air outlet of motor 2.
An air outlet net 13 is arranged at the air outlet of the silencing air duct 12 and the air outlet of the steering air duct 122. The silencing air duct 12 and the steering air duct 122 are communicated, and an air outlet net 13 is arranged at an air outlet position of the silencing air duct 12 and the steering air duct 122 and can be used for reducing the speed of the air outlet of the motor 2.
The top of the wind cavity 11 is provided with a convex top cover 14. An air outlet upper cover 15 is arranged above the air outlet of the silencing air duct 12, and an air outlet gap 16 is formed between the air outlet upper cover 15 and the top cover 14. The top cover 14 is used for closing the top of the wind chamber 11, and the top cover 14 may also be a display screen as an embodiment. The air outlet upper cover 15 is arranged above the air outlet of the silencing air duct 12, and an air outlet gap 16 between the air outlet upper cover 15 and the top cover 14 is used for air outlet of the motor 2. As an implementation mode, the air outlet upper cover 15 and the horizontal plane may form a certain included angle, the air outlet upper cover 15 inclines to the air cavity 11, and the air outlet upper cover 15 may bend the air outlet path of the motor 2 again to prolong the air outlet path.
Preferably, the fan blade 111 is provided with an auxiliary blade 113 having the same height as the fan blade 111 on the side of the motor 2, the auxiliary blade 113 and the fan blade 111 form an included angle, and the auxiliary blade 113 is used for reducing the speed of the outlet air of the motor 2 to reduce noise.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the hand-held dust collector handpiece, the spiral air duct, the silencing cotton 121 and the multiple steering are arranged, so that the air outlet speed of the motor 2 is reduced, the noise is reduced, and the noise of the hand-held dust collector is effectively reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (10)
1. A hand-held cleaner head, comprising: the motor is arranged in the shell;
an air cavity and a silencing air channel are arranged in the shell; the fan blades are distributed in an annular array to form a spiral air duct; the noise reduction air duct is annular and is arranged at the top of the fan blade and filled with noise reduction cotton; the air outlet of the motor sequentially passes through the air cavity, the spiral air duct and the silencing air duct.
2. The hand-held vacuum cleaner head as claimed in claim 1, wherein the fan blade is connected to a bottom surface of the air chamber.
3. The hand-held vacuum cleaner head as claimed in claim 1, wherein an air outlet portion is formed between the fan blade and the inner wall of the air cavity.
4. The hand-held vacuum cleaner head as claimed in claim 3, wherein the muffling air channel covers the air outlet portion.
5. The hand-held vacuum cleaner head as claimed in claim 4, wherein the muffling air channel has a plurality of air outlets at the bottom thereof corresponding to the air outlet.
6. The hand-held cleaner head as claimed in claim 1, wherein the outer ring of the muffling air channel is further provided with a outward protruding turning air channel, and the motor outlet air enters the turning air channel from the muffling air channel.
7. The hand-held cleaner head as claimed in claim 6, wherein air outlets of the silencing air duct and the turning air duct are provided with air outlet nets.
8. A hand-held cleaner head according to claim 1, wherein the top of the air chamber is provided with a protruding roof.
9. The handheld dust collector head as claimed in claim 8, wherein an air outlet upper cover is disposed above an air outlet of the silencing air duct, and an air outlet gap is formed between the air outlet upper cover and the top cover.
10. The hand-held cleaner head as claimed in claim 1, wherein the fan blade is provided with an auxiliary blade having the same height as the fan blade on a motor side, and the auxiliary blade forms an included angle with the fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121915952.8U CN215993805U (en) | 2021-08-16 | 2021-08-16 | Hand-held dust collector head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121915952.8U CN215993805U (en) | 2021-08-16 | 2021-08-16 | Hand-held dust collector head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215993805U true CN215993805U (en) | 2022-03-11 |
Family
ID=80588946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121915952.8U Active CN215993805U (en) | 2021-08-16 | 2021-08-16 | Hand-held dust collector head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215993805U (en) |
-
2021
- 2021-08-16 CN CN202121915952.8U patent/CN215993805U/en active Active
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