CN108903792B - Noise reduction structure of dust collector - Google Patents
Noise reduction structure of dust collector Download PDFInfo
- Publication number
- CN108903792B CN108903792B CN201810991918.5A CN201810991918A CN108903792B CN 108903792 B CN108903792 B CN 108903792B CN 201810991918 A CN201810991918 A CN 201810991918A CN 108903792 B CN108903792 B CN 108903792B
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- air outlet
- motor cover
- sleeve
- outlet channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Electric Suction Cleaners (AREA)
Abstract
The invention discloses a noise reduction structure of a dust collector, which comprises a shell and a motor cover arranged in the shell, wherein a motor is arranged in the motor cover, a noise reduction sleeve is arranged at the tail part of the motor cover, and a labyrinth air outlet structure is formed between the noise reduction sleeve and the motor cover; according to the invention, the noise reduction sleeve is arranged at the tail part of the motor cover, and the labyrinth type air outlet structure is formed between the noise reduction sleeve and the motor cover, so that the noise at the air outlet end of the motor can be effectively reduced, and the comfort of a user when using the dust collector can be improved.
Description
Technical Field
The invention relates to the technical field of dust collectors, in particular to a noise reduction structure of a dust collector.
Background
Along with the continuous improvement of the living standard of people, more families have dust collectors, but the dust collectors on the market at present have the defect of high noise when working, the noise mainly comes from the air outlet end of a motor, and the noise can cause discomfort to users, so that the dust collectors at present have the defect of poor comfort when being used.
Disclosure of Invention
According to the noise reduction structure of the dust collector, the noise reduction sleeve is arranged at the tail part of the motor cover, and the labyrinth type air outlet structure is formed between the noise reduction sleeve and the motor cover, so that the noise at the air outlet end of the motor can be effectively reduced, and the comfort of a user in using the dust collector can be improved.
The invention discloses a noise reduction structure of a dust collector, which comprises a shell and a motor cover arranged in the shell, wherein a motor is arranged in the motor cover, a noise reduction sleeve is arranged at the tail part of the motor cover, and a labyrinth air outlet structure is formed between the noise reduction sleeve and the motor cover.
The invention discloses a noise reduction structure of a dust collector, wherein the noise reduction structure comprises a plurality of circumferentially distributed air outlet holes arranged at the tail part of a motor cover, the motor cover positioned at the inner side of the air outlet holes forms inward concave parts, the middle part of a noise reduction sleeve is provided with an air outlet channel, the outer diameter of the air outlet channel is smaller than the inner diameter of the concave parts, a gap is reserved between the inner end part of the air outlet channel and the concave parts, an annular groove is formed between the outer peripheral wall of the air outlet channel and the inner peripheral wall of the noise reduction sleeve, and the side wall of the noise reduction sleeve at the outlet end of the air outlet channel is provided with an exhaust hole; after the structure is adopted, the air outlet hole, the annular groove, the concave and the air outlet channel can form a labyrinth air outlet structure, so that the effect of noise reduction can be achieved.
The invention discloses a noise reduction structure of a dust collector, wherein the side wall of a recess gradually expands outwards from one side far away from a noise reduction sleeve to one side close to the noise reduction sleeve to form an annular cambered surface structure; by adopting the structure, the wind discharged from the wind outlet hole can more conveniently enter the recess under the action of the annular groove, and the structure can play a role in guiding the wind.
The invention discloses a noise reduction structure of a dust collector, wherein the inner bottom of an annular groove gradually inclines from outside to inside towards one side far away from a motor cover; by adopting the structure, the annular groove can play a role in guiding wind so as to facilitate the wind to enter the recess.
The invention discloses a noise reduction structure of a dust collector, wherein a plurality of first reinforcing blocks which are circumferentially distributed are arranged between the outer peripheral wall of an air outlet channel and the inner bottom of an annular groove; through the setting of first boss, can improve the structural strength between air-out passageway and the annular groove.
The invention discloses a noise reduction structure of a dust collector, wherein a plurality of second reinforcing blocks which are circumferentially distributed are arranged in a noise reduction sleeve at the back of an annular groove; by adopting the structure, the structural strength between the air outlet channel and the annular groove can be improved.
The invention discloses a noise reduction structure of a dust collector, wherein a noise reduction sleeve is sleeved outside a motor cover and is tightly matched with the motor cover; after adopting this kind of structure, can bring the convenience for the connection of cover and motor cover of making an uproar falls.
According to the invention, the noise reduction sleeve is arranged at the tail part of the motor cover, and the labyrinth type air outlet structure is formed between the noise reduction sleeve and the motor cover, so that the noise at the air outlet end of the motor can be effectively reduced, and the comfort of a user when using the dust collector can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic perspective view of a vacuum cleaner;
FIG. 2 is a schematic view of a part of the structure of a dust collector;
FIG. 3 is a partially exploded view of a vacuum cleaner;
FIG. 4 is a schematic perspective view of a noise reduction sleeve;
FIG. 5 is a schematic perspective view of a noise reduction sleeve;
fig. 6 is a schematic cross-sectional view of the motor, motor cover and noise reduction sleeve after connection.
Detailed Description
Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention relates to a noise reduction structure of a dust collector, which comprises a shell 1 and a motor cover 2 arranged in the shell 1, wherein a motor 3 is arranged in the motor cover 2, a noise reduction sleeve 4 is arranged at the tail part of the motor cover 2, and a labyrinth air outlet structure is formed between the noise reduction sleeve 4 and the motor cover 2; the air outlet structure comprises a plurality of circumferentially distributed air outlet holes 21 arranged at the tail part of the motor cover 2, the motor cover 2 positioned at the inner side of the air outlet holes 21 forms an inward concave 22, an air outlet channel 41 is arranged at the middle part of the noise reduction sleeve 4, the outer diameter of the air outlet channel 41 is smaller than the inner diameter of the concave 22, a gap is reserved between the inner end part of the air outlet channel 41 and the concave 22, an annular groove 42 is formed between the outer peripheral wall of the air outlet channel 41 and the inner peripheral wall of the noise reduction sleeve 4, and an exhaust hole 43 is arranged on the side wall of the noise reduction sleeve 4 at the outlet end of the air outlet channel 41; after the structure is adopted, the air outlet hole, the annular groove, the concave and the air outlet channel can form a labyrinth air outlet structure, so that the effect of noise reduction can be achieved; the side wall of the recess 22 gradually expands outwards from one side far away from the noise reduction sleeve 4 to one side close to the noise reduction sleeve 4 to form an annular cambered surface-shaped structure; by adopting the structure, the wind discharged from the wind outlet hole can more conveniently enter the concave under the action of the annular groove, and the structure can play a role in guiding the wind; the inner bottom of the annular groove 42 gradually slopes from outside to inside toward the side away from the motor cover 2; by adopting the structure, the annular groove can play a role in guiding wind so as to facilitate the wind to enter the concave; a plurality of first reinforcing blocks 44 which are circumferentially distributed are arranged between the outer peripheral wall of the air outlet channel 41 and the inner bottom of the annular groove 42; through the arrangement of the first reinforcing blocks, the structural strength between the air outlet channel and the annular groove can be improved; a plurality of second reinforcing blocks 45 which are circumferentially distributed are arranged in the noise reduction sleeve 4 at the back of the annular groove 42; by adopting the structure, the structural strength between the air outlet channel and the annular groove can be improved; the noise reduction sleeve 4 is sleeved outside the motor cover 2, and the noise reduction sleeve 4 is tightly matched with the motor cover 2; by adopting the structure, the connection between the noise reduction sleeve and the motor cover can be facilitated; according to the invention, the noise reduction sleeve is arranged at the tail part of the motor cover, and the labyrinth type air outlet structure is formed between the noise reduction sleeve and the motor cover, so that the noise at the air outlet end of the motor can be effectively reduced, and the comfort of a user when using the dust collector can be improved.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present invention, should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a dust catcher structure of making an uproar falls, includes casing (1) and installs motor housing (2) inside casing (1), the internally mounted of motor housing (2) has motor (3), its characterized in that: a noise reduction sleeve (4) is arranged at the tail part of the motor cover (2), and a labyrinth air outlet structure is formed between the noise reduction sleeve (4) and the motor cover (2);
the air outlet structure comprises a plurality of circumferentially distributed air outlet holes (21) arranged at the tail part of the motor cover (2), the motor cover (2) positioned at the inner side of the air outlet holes (21) forms an inward concave (22), an air outlet channel (41) is arranged in the middle of the noise reduction sleeve (4), the outer diameter of the air outlet channel (41) is smaller than the inner diameter of the concave (22), a gap is reserved between the inner end part of the air outlet channel (41) and the concave (22), an annular groove (42) is formed between the outer peripheral wall of the air outlet channel (41) and the inner peripheral wall of the noise reduction sleeve (4), and an exhaust hole (43) is formed in the side wall of the noise reduction sleeve (4) at the outlet end of the air outlet channel (41);
the front end of the noise reduction sleeve (4) is axially connected to the tail of the motor cover (2) so that the air outlet channel (41) is axially matched with the concave (22) to form the gap;
the inner bottom of the annular groove (42) gradually inclines from outside to inside towards one side far away from the motor cover (2).
2. The noise reducing structure of a vacuum cleaner according to claim 1, wherein the side wall of the recess (22) gradually expands outwards from the side far from the noise reducing sleeve (4) to the side near the noise reducing sleeve (4) to form an annular cambered surface-like structure.
3. The noise reduction structure of the dust collector according to claim 1, wherein a plurality of first reinforcing blocks (44) distributed in the circumferential direction are arranged between the outer peripheral wall of the air outlet channel (41) and the inner bottom of the annular groove (42).
4. The noise reduction structure of the dust collector according to claim 1, wherein a plurality of second reinforcing blocks (45) distributed circumferentially are arranged in the noise reduction sleeve (4) at the back of the annular groove (42).
5. The noise reducing structure of the dust collector according to any one of claims 1 to 4, wherein the noise reducing sleeve (4) is sleeved outside the motor cover (2) and the noise reducing sleeve (4) is tightly matched with the motor cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991918.5A CN108903792B (en) | 2018-08-29 | 2018-08-29 | Noise reduction structure of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991918.5A CN108903792B (en) | 2018-08-29 | 2018-08-29 | Noise reduction structure of dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108903792A CN108903792A (en) | 2018-11-30 |
| CN108903792B true CN108903792B (en) | 2024-03-26 |
Family
ID=64406819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810991918.5A Active CN108903792B (en) | 2018-08-29 | 2018-08-29 | Noise reduction structure of dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108903792B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3094622B1 (en) * | 2019-04-05 | 2021-05-28 | Seb Sa | Portable vacuum cleaner equipped with a removable filter |
| CN114040698A (en) * | 2019-07-08 | 2022-02-11 | 伊莱克斯公司 | Hand-held vacuum cleaner and vacuum cleaner comprising a hand-held vacuum cleaner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4970753A (en) * | 1990-02-23 | 1990-11-20 | Ryobi Motor Products Corp. | Vacuum cleaner noise reducing arrangement |
| CN1865670A (en) * | 2006-04-14 | 2006-11-22 | 潍坊柴油机厂 | Tail gas cleaning device |
| KR101491968B1 (en) * | 2014-05-27 | 2015-02-11 | 오평균 | Industrial vacuum cleaner for reducing noise |
| CN206285057U (en) * | 2016-08-31 | 2017-06-30 | 江苏美的清洁电器股份有限公司 | Motor cover for dust catcher, the motor with it and dust catcher |
| CN209059045U (en) * | 2018-08-29 | 2019-07-05 | 宁波富佳实业股份有限公司 | Dust catcher denoising structure |
-
2018
- 2018-08-29 CN CN201810991918.5A patent/CN108903792B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4970753A (en) * | 1990-02-23 | 1990-11-20 | Ryobi Motor Products Corp. | Vacuum cleaner noise reducing arrangement |
| CN1865670A (en) * | 2006-04-14 | 2006-11-22 | 潍坊柴油机厂 | Tail gas cleaning device |
| KR101491968B1 (en) * | 2014-05-27 | 2015-02-11 | 오평균 | Industrial vacuum cleaner for reducing noise |
| CN206285057U (en) * | 2016-08-31 | 2017-06-30 | 江苏美的清洁电器股份有限公司 | Motor cover for dust catcher, the motor with it and dust catcher |
| CN209059045U (en) * | 2018-08-29 | 2019-07-05 | 宁波富佳实业股份有限公司 | Dust catcher denoising structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108903792A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108903792B (en) | Noise reduction structure of dust collector | |
| US20090151732A1 (en) | Dustproof Mask for Nose | |
| CN214707980U (en) | Earphone sleeve and earphone assembly comprising same | |
| CN110074718B (en) | Hand-held dust collector | |
| CN108113571B (en) | Dust collector | |
| CN217502037U (en) | Portable fan | |
| CN211269028U (en) | Prevent big amount of wind hair-dryer of sending out | |
| CN211793667U (en) | Multifunctional pet water blower | |
| CN209059045U (en) | Dust catcher denoising structure | |
| CN213046753U (en) | Anti-blocking dust collection charging service station and sweeper cleaning system | |
| CN210673202U (en) | Hand-held vacuum cleaner | |
| CN211630365U (en) | Anti-dropping earphone | |
| CN112872376A (en) | Main shaft front end binary channels mechanism of blowing | |
| CN209733849U (en) | Cyclone filtering structure applied to dust cup of dust collector, dust cup and dust collector | |
| CN209951160U (en) | Noise-reduction heat dissipation structure and dust collector thereof | |
| CN217207024U (en) | Motor fan cover of dust collector | |
| CN210007511U (en) | Sound insulation fan cover for motors | |
| CN218377069U (en) | Fan noise reduction unit | |
| KR100414799B1 (en) | Electric cleaner and it's hose | |
| CN212211329U (en) | Noise reduction earmuff structure | |
| CN218482962U (en) | Sweat-conductive antibacterial earphone | |
| CN218103473U (en) | Soft cover support, waterproof construction and underwater breathing ware that are used for sound collection under water | |
| CN215533980U (en) | Dry-wet dual-purpose dust collector motor waterproof motor | |
| CN211509268U (en) | Earphone set | |
| CN215993805U (en) | Hand-held dust collector head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 315400 Chang'an Road 303 Yangming Street, Yuyao City, Zhejiang Province Applicant after: NINGBO FUJIA INDUSTRIAL Co.,Ltd. Address before: 315402 No. 2059 Shinan West Road, Yuyao City, Ningbo City, Zhejiang Province Applicant before: NINGBO FUJIA INDUSTRIAL Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |