CN109528081A - Negative pressure device with denoising structure - Google Patents
Negative pressure device with denoising structure Download PDFInfo
- Publication number
- CN109528081A CN109528081A CN201811579297.6A CN201811579297A CN109528081A CN 109528081 A CN109528081 A CN 109528081A CN 201811579297 A CN201811579297 A CN 201811579297A CN 109528081 A CN109528081 A CN 109528081A
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- China
- Prior art keywords
- motor
- back cover
- negative pressure
- pressure device
- fixed rack
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- 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.)
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention discloses a kind of negative pressure device with denoising structure, including electric machine assembly, motor front shroud and motor back cover, motor fixed rack is installed in motor back cover, there are gaps between motor fixed rack and the inner wall of motor back cover, electric machine assembly is mounted in motor fixed rack, the inner wall of electric machine assembly and motor fixed rack and on, there are gaps between lower end, motor front shroud is mounted on the upper end of motor back cover, several groups are provided on the side wall of motor fixed rack in the first circumferentially distributed exhaust vent, several groups are provided on the side wall of motor back cover in the second circumferentially distributed exhaust vent, second exhaust vent is staggered with the first exhaust vent；The present invention is at work, meeting is so that wind is surround in the cavity between motor fixed rack and motor back cover, i.e. so that being flowed out from the wind exported in negative pressure device after detouring in motor fixed rack and the cavity of motor back cover formation, thus come the impact force for weakening wind, and then achieve the purpose that noise reduction.
Description
Technical field
The present invention relates to the negative pressure device technical fields of dust catcher, and in particular to a kind of negative pressure dress with denoising structure
It sets.
Background technique
With the continuous improvement of people's living standards, more and more families have dust catcher, negative pressure device is dust suction
Core component in device, effect is so that negative pressure is generated in dirt cup, to achieve the purpose that dust suction；But at present in dust catcher
Used negative pressure device at work, haves the shortcomings that noise is big, so that discomfort can be brought to user, there are users to use body
Test the disadvantage of sense difference.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of negative pressure device with denoising structure, by by motor
The first exhaust vent on fixed bracket is staggered with the second exhaust vent on motor back cover, so, in negative pressure device work
When making, wind can be made to surround in the cavity between motor fixed rack and motor back cover, i.e., so that exporting from negative pressure device
Wind flowed out after detouring in motor fixed rack and the cavity of motor back cover formation, thus to weaken the impact force of wind,
And then achieve the purpose that noise reduction.
Negative pressure device with denoising structure of the invention, including electric machine assembly, motor front shroud and motor back cover, after motor
Motor fixed rack is installed, there are gap, electric machine assembly installations between motor fixed rack and the inner wall of motor back cover in cover
In motor fixed rack, there are gap, motor front shrouds between electric machine assembly and the inner wall and upper and lower end of motor fixed rack
It is mounted on the upper end of motor back cover, it is in the first circumferentially distributed exhaust vent that several groups are provided on the side wall of motor fixed rack,
Several groups are provided on the side wall of motor back cover in the second circumferentially distributed exhaust vent, the second exhaust vent interlocks with the first exhaust vent
Setting.
Negative pressure device with denoising structure of the invention, wherein be respectively and fixedly provided with sound-absorbing on the outside of every group of first exhaust vent
Sponge.
Negative pressure device with denoising structure of the invention, wherein be respectively and fixedly provided with sound-absorbing on the inside of every group of second exhaust vent
Sponge.
Negative pressure device with denoising structure of the invention, wherein be embedded with motor between motor front shroud and electric machine assembly
Enter the wind mouth sealing ring.
Negative pressure device with denoising structure of the invention, wherein the outer edge of motor air inlet sealing ring is provided with
The annular flange turned down to electric machine assembly side, annular flange are set in the outside of electric machine assembly upper end, annular flange and motor
The outer wall of component and the inner wall tight fit of motor front shroud.
Negative pressure device with denoising structure of the invention, wherein the upper end of motor fixed rack and motor back cover
Sealing ring before motor cover is embedded between upper end.
Negative pressure device with denoising structure of the invention, wherein the lower end of motor fixed rack is interior with motor back cover
Sealing ring after motor cover is embedded between bottom.
Negative pressure device with denoising structure of the invention, wherein be embedded with outlet rubber in the through-hole of motor back cover tail portion
Gum cover.
The present invention is by staggeredly setting the first exhaust vent on motor fixed rack with the second exhaust vent on motor back cover
It sets, so, in negative pressure device work, cavity inner ring of the wind between motor fixed rack and motor back cover can be made
Around that is, so that being flowed from the wind exported in negative pressure device after detouring in motor fixed rack and the cavity of motor back cover formation
Out, thus to weaken the impact force of wind, and then achieve the purpose that noise reduction.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is decomposition texture schematic diagram of the invention；
Fig. 3 is decomposition texture schematic diagram of the invention；
Fig. 4 is schematic cross-sectional view of the invention；
Fig. 5 is schematic cross-sectional view of the invention.
Specific embodiment
Multiple embodiments of the invention will be disclosed with schema below, as clearly stated, the details in many practices
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also
It is to say, in some embodiments of the invention, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, not especially censure
The meaning of order or cis-position, also non-to limit the present invention, the component described just for the sake of difference with same technique term
Or operation, it is not understood to indicate or imply its relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.In addition, each
Technical solution between a embodiment can be combined with each other, but must can be implemented as base with those of ordinary skill in the art
Plinth will be understood that the combination of this technical solution is not present when conflicting or cannot achieve when occurs in the combination of technical solution,
Also not the present invention claims protection scope within.
Negative pressure device with denoising structure of the invention, including electric machine assembly 1, motor front shroud 2 and motor back cover 3, electricity
Motor fixed rack 4 is installed, there are gap, motors between motor fixed rack 4 and the inner wall of motor back cover 3 in machine back cover 3
Component 1 is mounted in motor fixed rack 4, between electric machine assembly 1 and the inner wall and upper and lower end of motor fixed rack 4 there are
Gap, motor front shroud 2 are mounted on the upper end of motor back cover 3, and several groups are provided on the side wall of motor fixed rack 4 in circumferential point
First exhaust vent 41 of cloth is provided with several groups on the side wall of motor back cover 3 in the second circumferentially distributed exhaust vent 31, and second goes out
Air holes 31 is staggered with the first exhaust vent 41.
The outside of every group of first exhaust vent 41 is respectively and fixedly provided with sound-absorbing sponge 5；By the setting of sound-absorbing sponge, can play pair
By the buffering weakening effect of the wind of the first exhaust vent discharge, achievees the effect that sound-absorbing, so, noise reduction can be better played
Effect；Sound-absorbing sponge can be used the modes such as absorption stickup or package and be fixed at the first exhaust vent.
The inside of every group of second exhaust vent 31 is respectively and fixedly provided with sound-absorbing sponge 5；It, can be to will be from by the setting of sound-absorbing sponge
The wind of second exhaust vent discharge plays buffering weakening effect, achievees the effect that sound-absorbing, so, can better play noise reduction
Effect；Sound-absorbing sponge can be used the modes such as absorption stickup or package and be fixed at the second exhaust vent.
Motor air inlet sealing ring 6 is embedded between motor front shroud 2 and electric machine assembly 1；Pass through motor air inlet sealing ring
Setting, enable to achieve the purpose that damping between motor front shroud and electric machine assembly.
The outer edge of motor air inlet sealing ring 6 is provided with the annular flange 61 turned down to 1 side of electric machine assembly, annular
Flange 61 is set in the outside of 1 upper end of electric machine assembly, annular flange 61 and the outer wall of electric machine assembly 1 and the inner wall of motor front shroud 2
Tight fit；After by using this structure, motor air inlet sealing ring and the reliability after electric machine assembly installation can be improved, and
It can be improved the damping effect between motor front shroud and electric machine assembly；The shape difference or motor group selected by electric machine assembly
When part assembled inside fixed form etc. is different, it can also cancel the annular flange on sealing ring.
Sealing ring 7 before motor cover is embedded between the upper end of motor fixed rack 4 and the upper end of motor back cover 3；It is logical
The setting for crossing sealing ring before motor cover, enables to achieve the purpose that damping between motor fixed rack and motor back cover.
Sealing ring 8 after motor cover is embedded between the lower end of motor fixed rack 4 and the interior bottom of motor back cover 3；Pass through
The setting of sealing ring after motor cover enables to achieve the purpose that damping between motor fixed rack and motor back cover.
Outlet rubber sleeve 9 is embedded in the through-hole 32 of 3 tail portion of motor back cover；Pass through the setting of outlet rubber sleeve, motor group
The conducting wire that part is drawn can be pierced by from outlet rubber sleeve, can play the protective effect to conducting wire；Such as internal wire laying mode
When change, the through-hole of motor back cover tail portion can select arrangement position according to specific structure arrangement demand, while outlet rubber stopper
Also it chooses whether to need to use the part according to specific needs.
The upper only embodiments of the present invention, are not intended to restrict the invention.For those skilled in the art
For, the invention may be variously modified and varied.All any modifications made in spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included within scope of the presently claimed invention.
Claims (8)
1. a kind of negative pressure device with denoising structure, including electric machine assembly (1), motor front shroud (2) and motor back cover (3),
It is characterized in that: being equipped with motor fixed rack (4) in the motor back cover (3), the motor fixed rack (4) and motor back cover
(3) there are gap between inner wall, the electric machine assembly (1) is mounted in motor fixed rack (4), the electric machine assembly (1)
There are gap between the inner wall and upper and lower end of motor fixed rack (4), the motor front shroud (2) is mounted on motor back cover
(3) upper end, several groups is provided on the side wall of the motor fixed rack (4) in circumferentially distributed the first exhaust vent (41),
Several groups are provided on the side wall of the motor back cover (3) in circumferentially distributed the second exhaust vent (31), second exhaust vent
(31) it is staggered with the first exhaust vent (41).
2. the negative pressure device according to claim 1 with denoising structure, which is characterized in that every group of first exhaust vent (41)
Outside be respectively and fixedly provided with sound-absorbing sponge (5).
3. the negative pressure device according to claim 1 with denoising structure, which is characterized in that every group of second exhaust vent (31)
Inside be respectively and fixedly provided with sound-absorbing sponge (5).
4. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor front shroud
(2) it is embedded between electric machine assembly (1) motor air inlet sealing ring (6).
5. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor air inlet
The outer edge of mouth sealing ring (6) is provided with the annular flange (61) turned down to electric machine assembly (1) side, the annular flange
(61) outside of electric machine assembly (1) upper end, the outer wall and motor front shroud of annular flange (61) and electric machine assembly (1) are set in
(2) inner wall tight fit.
6. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor is fixed
Sealing ring (7) before motor cover is embedded between the upper end of bracket (4) and the upper end of motor back cover (3).
7. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor is fixed
Sealing ring (8) after motor cover is embedded between the lower end of bracket (4) and the interior bottom of motor back cover (3).
8. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor back cover
(3) outlet rubber sleeve (9) are embedded in the through-hole (32) of tail portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579297.6A CN109528081A (en) | 2018-12-24 | 2018-12-24 | Negative pressure device with denoising structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579297.6A CN109528081A (en) | 2018-12-24 | 2018-12-24 | Negative pressure device with denoising structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109528081A true CN109528081A (en) | 2019-03-29 |
Family
ID=65856454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811579297.6A Pending CN109528081A (en) | 2018-12-24 | 2018-12-24 | Negative pressure device with denoising structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109528081A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990005691A (en) * | 1997-06-30 | 1999-01-25 | 배순훈 | Noise reduction structure of vacuum cleaner |
| KR19990033888A (en) * | 1997-10-27 | 1999-05-15 | 전주범 | Sound absorption room of vacuum cleaner |
| CN201563022U (en) * | 2009-11-27 | 2010-08-25 | 金莱克电气股份有限公司 | Noise reducing structure of dust collector motor |
| CN102025215A (en) * | 2009-09-22 | 2011-04-20 | 乐金电子(天津)电器有限公司 | Motor cover for dust collector |
| CN102551594A (en) * | 2012-02-20 | 2012-07-11 | 江苏美的春花电器股份有限公司 | Mute dust collector |
| CN203841622U (en) * | 2014-03-04 | 2014-09-24 | 江苏美的春花电器股份有限公司 | Vacuum cleaner and motor cover thereof |
| CN203892263U (en) * | 2014-06-19 | 2014-10-22 | 东莞市沃泰家用电器有限公司 | Air purifier turbine structure with pressure boosting and noise reduction functions |
| EP2907435A1 (en) * | 2014-02-18 | 2015-08-19 | KingClean Electric Co., Ltd. | A structure for reducing the motor noise of a vacuum cleaner |
| CN105054867A (en) * | 2015-08-20 | 2015-11-18 | 莱克电气股份有限公司 | Suspension noise-reduction motor |
| CN106160318A (en) * | 2015-03-16 | 2016-11-23 | 向桂南 | A kind of vacuum cleaner low noise motor device |
| CN206120126U (en) * | 2016-07-20 | 2017-04-26 | 宁波宏一电器有限公司 | Low noise cooking machine |
| CN209695073U (en) * | 2018-12-24 | 2019-11-29 | 宁波富佳实业股份有限公司 | Negative pressure device with denoising structure |
-
2018
- 2018-12-24 CN CN201811579297.6A patent/CN109528081A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990005691A (en) * | 1997-06-30 | 1999-01-25 | 배순훈 | Noise reduction structure of vacuum cleaner |
| KR19990033888A (en) * | 1997-10-27 | 1999-05-15 | 전주범 | Sound absorption room of vacuum cleaner |
| CN102025215A (en) * | 2009-09-22 | 2011-04-20 | 乐金电子(天津)电器有限公司 | Motor cover for dust collector |
| CN201563022U (en) * | 2009-11-27 | 2010-08-25 | 金莱克电气股份有限公司 | Noise reducing structure of dust collector motor |
| CN102551594A (en) * | 2012-02-20 | 2012-07-11 | 江苏美的春花电器股份有限公司 | Mute dust collector |
| EP2907435A1 (en) * | 2014-02-18 | 2015-08-19 | KingClean Electric Co., Ltd. | A structure for reducing the motor noise of a vacuum cleaner |
| CN203841622U (en) * | 2014-03-04 | 2014-09-24 | 江苏美的春花电器股份有限公司 | Vacuum cleaner and motor cover thereof |
| CN203892263U (en) * | 2014-06-19 | 2014-10-22 | 东莞市沃泰家用电器有限公司 | Air purifier turbine structure with pressure boosting and noise reduction functions |
| CN106160318A (en) * | 2015-03-16 | 2016-11-23 | 向桂南 | A kind of vacuum cleaner low noise motor device |
| CN105054867A (en) * | 2015-08-20 | 2015-11-18 | 莱克电气股份有限公司 | Suspension noise-reduction motor |
| CN206120126U (en) * | 2016-07-20 | 2017-04-26 | 宁波宏一电器有限公司 | Low noise cooking machine |
| CN209695073U (en) * | 2018-12-24 | 2019-11-29 | 宁波富佳实业股份有限公司 | Negative pressure device with denoising structure |
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