CN109124472A - Noise reduction structure and dust collector - Google Patents
Noise reduction structure and dust collector Download PDFInfo
- Publication number
- CN109124472A CN109124472A CN201811103837.3A CN201811103837A CN109124472A CN 109124472 A CN109124472 A CN 109124472A CN 201811103837 A CN201811103837 A CN 201811103837A CN 109124472 A CN109124472 A CN 109124472A
- Authority
- CN
- China
- Prior art keywords
- vacuum motor
- air inlet
- connector
- vacuum
- blimp
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 35
- 230000009467 reduction Effects 0.000 title abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 21
- 210000003205 muscle Anatomy 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004033 plastic Substances 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)
- Electric Suction Cleaners (AREA)
Abstract
The invention provides a noise reduction structure and a dust collector, wherein the noise reduction structure comprises a vacuumizing device and a sound-proof cover, the sound-proof cover is provided with a sealed sound-proof cavity formed around a noise source and a connecting port communicated with the sound-proof cavity, and the vacuumizing device is communicated with the sound-proof cavity through the connecting port. The design is that a low-density air layer is formed around the noise source by using the suction negative pressure generated by the vacuum device, and the low sound transmissivity of the air layer is used for improving the sound insulation effect of the noise; the design also reduces the technological requirements on the sound-proof shield, and reduces the manufacturing difficulty and cost.
Description
Technical field
The present invention relates to burnisher technical fields, and in particular to a kind of dust catcher, present invention simultaneously relates to a kind of noise reductions
Structure.
Background technique
With the continuous improvement of people's living standards, the requirement to Living Hygiene, environmental sanitation is also higher and higher.Present family
Most of timber floor or ceramic tile additionally arrange ground in occupying, and various floor cleaning gears also occur therewith thus, such as dust catcher.
For many people, dust catcher has become indispensable housed device.
In the performance parameter of dust catcher, noise is a very important parameter index for measuring dust catcher, and most straight
Connect the usage experience for influencing consumer.With the increasingly competition in market, to dust catcher, more stringent requirements are proposed.It is usually horizontal true
Vacuum cleaner, noise can control 76-82dB (A), and usually can control 82-88dB (A) in vertical type dust collector, then past
It is lower just relatively difficult.And the receptible noise level of people is about the level of 68-80dB (A), so current dust catcher
Requirement of the noise level from people also falls far short.
In the prior art usually by the way that double-layer structure is arranged in motor of dust collector outer cover, and formed between double-layer structure
Several partitions are provided in cavity, partition, which is used to separate cavity, carries out sound-deadening and noise-reducing at several silencing cavities.However silencing cavity
Structure generallys use resonance principle to carry out noise reduction, has very strong frequency selectivity, therefore even if noise reduction cavity configuration has well
Erasure effect also only for a certain narrow frequency noise, it is limited to be reacted to effect in dust catcher overall noise.
In consideration of it, Publication No. CN106160318A Chinese invention patent discloses a kind of vacuum cleaner low noise motor
Device, vacuum cleaner low noise motor device pass through wedge after preceding wedge, hang on the body of dust collector of vacuum cleaner,
Motor lid and body of dust collector cooperate, and wrap up vacuum cleaner low noise motor device.When vacuum motor work when, air-flow from
Motor air inlet enters, by motor fan housing, electric machine support, into cavity, when air-flow tentatively absorbs sound by porous sound absorbing materials
After noise reduction, the connector of front end is travelled back across, is discharged from the uniquely coupled mouth of blimp, into body of dust collector, the motor cover bodily form
At space, then travel back across motor lid described in rear end exhaust grid discharge.Blimp is double-layer vacuum, have well every
Sound ability, after noise absorbs sound with air-flow by detour repeatedly and porous sound absorbing materials, noise is reduced.
However above-mentioned patent has certain defect.The plastic parts of structure of dust collector generally use injection molding, and general vacuum
Double-layer cavity is blow molding part, in order to realize vacuum and leakproofness, vacuum double cavity forming complex process, high production cost.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming vacuum double cavity in denoising structure in the prior art
Complex manufacturing technology, the defect of high production cost, to provide a kind of denoising structure.
The invention solves another technical problem be to overcome noise reduction structure of motor of vacuum cleaner system in the prior art
Make complex process, the defect of high production cost, to provide a kind of dust catcher.
A kind of denoising structure provided by the invention, including vacuum evacuation device and blimp, the blimp, which has, to be surround
The sound insulation chamber of the molding sealing of noise source and the connector penetrated through with the sound insulation chamber, the vacuum evacuation device pass through the company
Interface is connected with the sound insulation chamber.
Optionally, the noise source is vacuum motor, and the sound insulation chamber is arranged around the outer peripheral surface of the vacuum motor.
Optionally, the vacuum means are set to the vacuum motor.
Optionally, the vacuum motor has air inlet along one end of electrical axis, and the blimp corresponds to the air inlet
Mouthful one end be provided with vacuum motor described in the connector correspond to the air inlet one end be provided with the connection connector with
The connection structure of the air inlet.
Invention also provides a kind of dust catcher, including denoising structure described in any of the above embodiments, dirt cup component and
The vacuum motor connecting with the dirt cup component, the vacuum motor are the noise source, and the blimp is sheathed on described true
The periphery of empty motor has the sound insulation chamber around vacuum motor setting.
Optionally, the vacuum means are set to the vacuum motor, the vacuum motor by the connector with it is described
Sound insulation chamber is connected.
Optionally, the vacuum motor has air inlet along one end of electrical axis, and the blimp corresponds to the vacuum
Motor is provided with the connector relative to described air inlet one end；The vacuum motor corresponds to one end setting of the air inlet
There is the connection structure for being connected to the connector and the air inlet.
Optionally, one end that the vacuum motor corresponds to the air inlet is provided with the end cap for connecting the dirt cup component；
The end cap, which has, to be tightly connected, with the connector and the air inlet perpendicular to the end plate of the electrical axis, the end
Plate corresponds to the air inlet and the connector offers first through hole and the second through-hole；The end cap further includes that the end plate is set
The sealing ring muscle set, the sealing ring muscle and the dirt cup component cooperatively form comprising the connector, the air inlet and
The negative pressure cavity of the sealing of the dirt cup component air outlet.
Optionally, corresponding sealing ring muscle periphery, which is provided with, is sheathed on dirt cup component periphery, the connection dirt cup
The mounting ring muscle of component.
Optionally, the blimp is connected through a screw thread part and connect with the end cap.
Optionally, gasket seal is provided between the blimp and the end cap, the gasket seal corresponds to the company
Interface and second through-hole are provided with via hole.
Optionally, the blimp include be sheathed on the vacuum motor periphery, between form the internal layer of the sound insulation chamber
Shell and outer shell, the inner shell and the outer shell are an integral molding structure, the corresponding vacuum motor air inlet
One end of mouth offers the connector
Optionally, the blimp includes being arranged motor chamber shell and main case, and the vacuum motor is fixed on by institute
It states in the cavity that motor chamber shell is surrounded, one end of the main case air inlet corresponding with the motor chamber shell
For the connector, the other end is sealed to form the sound insulation chamber by rubber sealing structure.
Optionally, the vibration isolation rubber for being set in the vacuum motor is additionally provided between the vacuum motor and the blimp
Cushion rubber.
Technical solution of the present invention has the advantages that
A kind of denoising structure provided by the invention, using intake negative-pressure caused by vacuum evacuation device, around noise source
The air layer for forming a low-density, the low acoustic transmissions having using the air layer improve the soundproof effect to noise；
It is designed in this way the technique requirement also reduced to blimp, reduces manufacture difficulty and cost.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of dust catcher main view provided in the first embodiment of the invention；
Fig. 2 is the explosive view of denoising structure in Fig. 1；
Fig. 3 is the structural schematic diagram of end cap and gasket seal in Fig. 2；
Fig. 4 is the structural schematic diagram of blimp；
Fig. 5 is the cross-sectional view of denoising structure；
Fig. 6 is a kind of denoising structure main view provided in second of embodiment of the invention.
Description of symbols:
1- vacuum motor, 2- vibration isolation rubber circle, 3- gasket seal, 31- via hole, 4- end cap, 41- mounting ring
Muscle, 42- sealing ring muscle, 43- negative pressure cavity, the second through-hole of 44-, 5- blimp, 51- exhaust outlet, 52- inner shell,
53- sound insulation chamber, 54- outer shell, 6- dirt cup component, 7- filter, 8- filter HEPA, 9- main case, 10- rubber
Sealing structure, 11- motor chamber shell.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 5 shows a kind of cleaner embodiment provided by the invention.
Dust catcher includes main case 9, vacuum motor 1, vibration isolation rubber circle 2, blimp 5, dirt cup component 6, end cap 4, sealing
Gasket 3, filter 7 and filtering HEPA8.
Vacuum motor 1 is class columnar structures, has electrical axis, and the end of opposite electrical axis one end has air inlet.
An end position of the corresponding air inlet of vacuum motor 1 is provided with dirt cup component 6.Vacuum motor 1 passes through end cap 4 and dirt cup component 6
It is connected, for providing intake negative-pressure to dirt cup component 6, to realize the effect of dust suction.1 periphery of vacuum motor, which is set with, to be used to support
Fixed vacuum motor 1 and the vibration isolation rubber circle 2 for playing the role of vibration isolation.
Blimp 5 includes being sheathed on the outer shell 54 and inner shell 52 of 1 periphery of vacuum motor, outer shell 54 and interior
Layer shell 52 is an integral molding structure, the sound insulation chamber 53 being separated out between two layers of shell.Corresponding 1 air inlet one end of vacuum motor,
Annular opening between outer shell 54 and inner shell 52 is connector.Blimp 5 is fixedly installed in end cap 4 by screw,
Gasket seal 3 is additionally provided between end cap 4 and blimp 5.
End cap 4 has the end plate perpendicular to electrical axis, end plate correspond to air inlet and connector offer first through hole with
Second through-hole 44.Connector is annular shape, and correspondingly, the second through-hole 44 is provided with the multiple of annular spread.It should be evident that
Second through-hole 44 can also be the looping pit for being correspondingly connected with mouth setting.Gasket seal 3 is correspondingly connected with mouth and the second through-hole 44 is provided with
Via hole 31, to realize that connector and the sealing of the second through-hole 44 are connected.End cap 4 further includes the sealing ring muscle of end plate setting
42.Sealing ring muscle 42 and dirt cup component 6 cooperatively form the sealing comprising 6 air outlet of connector, air inlet and dirt cup component
Negative pressure cavity 43.Corresponding structure is collectively referred to as the connection structure of connection connector and air inlet in end cap 4 and dirt cup component 6.End plate
The mounting ring muscle 41 that corresponding 42 periphery of sealing ring muscle is provided with and is sheathed on 6 periphery of dirt cup component, connects dirt cup component 6.
43 one end of negative pressure cavity is communicated to 1 air inlet of vacuum motor, and one end is connected with 6 air outlet of dirt cup component.Vacuum motor 1
Negative pressure is generated when work in negative pressure cavity 43, and then sucks the air in dirt cup component 6, realizes the effect of dust suction.
On the one hand the blimp 5 of the application setting radially carries out Double-layer sound-insulation, another party to noise in vacuum motor 1
Face is connected to by connector, negative pressure cavity 43 with vacuum motor 1, the 20Kpa's that can be generated when working in view of general vacuum motor 1
Atmospheric density in negative pressure cavity 43 is reduced to 0.8 times of standard atmospheric pressure by vacuum degree, thus caused by the vacuum motor 1
Under intake negative-pressure, in sound insulation chamber 53 formed around vacuum motor 1 low-density air layer, in this way on transaudient path in wideband
System in range, reduces sound intensity transmission, improves the soundproof effect in 5 wide frequency range of blimp.And due to dust catcher steady operation
Afterwards in sound insulation chamber 53 air without flowing without influence overall performance.
Vacuum motor 1 is fixed in the cavity surrounded by inner shell 52 by the vibration isolation rubber circle 2 of suit thereon.
The corresponding 1 tail end air draft position of vacuum motor of blimp 5 is additionally provided with exhaust outlet 51.Blimp 5 is set in main case 9.End cap 4
It is fixedly connected by screw with main case 9.
Dust catcher further includes being set to the filter 7 of dirt cup component 6 and being set to 6 air outlet of dirt cup component and end cap 4
Between filtering HEPA8.
As another embodiment, inner shell 52 and outer shell 54 can be separate structure.Specifically,
Referring to FIG. 6, the suit of vibration isolation rubber circle 2 is on vacuum motor 1, vacuum motor 1 is by being set with vibration isolation thereon
Rubber ring 2 is fixed in the cavity surrounded by motor chamber shell 11, and 11 periphery of motor chamber shell is arranged with main case 9
Body.One end of 9 body of main case air inlet corresponding with motor chamber shell 11 is hatch frame, and both other ends use rubber seal
Structure 10 is sealed, and the sound insulation chamber 53 that sealing is formed between 9 body of motor cavity shell and main case is arranged such.
As another embodiment, blimp 5 can be multilayered structure.
As another embodiment, the vacuum evacuation device for vacuumizing can be separately provided in blimp 5.
Present invention simultaneously provides a kind of denoising structure, including vacuum evacuation device and blimp 5, the blimp 5 includes
Connector around the molding sound insulation chamber 53 of noise source and with the sound insulation chamber 53 perforation, the vacuum evacuation device pass through described
Connector is connected with the sound insulation chamber 53.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (14)
1. a kind of denoising structure, it is characterised in that: including vacuum evacuation device and blimp (5), the blimp (5) has ring
Connector around the sound insulation chamber (53) of the molding sealing of noise source and with the sound insulation chamber (53) perforation, the vacuum evacuation device
It is connected by the connector with the sound insulation chamber (53).
2. denoising structure according to claim 1, which is characterized in that the noise source is vacuum motor (1), the sound insulation
Outer peripheral surface of the chamber (53) around the vacuum motor (1) is arranged.
3. denoising structure according to claim 2, which is characterized in that the vacuum means are set to the vacuum motor (1).
4. denoising structure according to claim 3, which is characterized in that the vacuum motor (1) is along one end of electrical axis
With air inlet, it is corresponding that the corresponding described air inlet one end of the blimp (5) is provided with vacuum motor described in the connector (1)
One end of the air inlet is provided with the connection structure for being connected to the connector and the air inlet.
5. a kind of dust catcher, it is characterised in that: including denoising structure of any of claims 1-4, dirt cup component
(6) and with the dirt cup component (6) vacuum motor (1) connecting, the vacuum motor (1) be the noise source, it is described every
Sound cover (5) is sheathed on the periphery of the vacuum motor (1), has the sound insulation chamber around the vacuum motor (1) setting
(53)。
6. dust catcher according to claim 5, which is characterized in that the vacuum means are set to the vacuum motor (1), institute
It states vacuum motor (1) and is connected by the connector with the sound insulation chamber (53).
7. dust catcher according to claim 6, which is characterized in that the vacuum motor (1) has along one end of electrical axis
There is air inlet, the corresponding vacuum motor (1) of the blimp (5) is provided with the connection relative to described air inlet one end
Mouthful；One end of the corresponding air inlet of the vacuum motor (1) is provided with the connection for being connected to the connector and the air inlet
Structure.
8. dust catcher according to claim 7, which is characterized in that the one of the corresponding air inlet of the vacuum motor (1)
End is provided with the end cap (4) for connecting the dirt cup component (6)；The end cap (4) has and the connector and the air inlet
It is tightly connected, perpendicular to the end plate of the electrical axis, the end plate corresponds to the air inlet and the connector offers the
One through-hole and the second through-hole (44)；The end cap (4) further includes the sealing ring muscle (42) of the end plate setting, the sealing ring muscle
(42) it cooperatively forms with the dirt cup component (6) comprising the connector, the air inlet and the dirt cup component (6) outlet air
The negative pressure cavity (43) of the sealing of mouth.
9. dust catcher according to claim 8, which is characterized in that corresponding sealing ring muscle (42) periphery, which is provided with, to be arranged
In dirt cup component (6) periphery, the mounting ring muscle (41) of the connection dirt cup component (6).
10. dust catcher according to claim 8, which is characterized in that the blimp (5) be connected through a screw thread part with it is described
End cap (4) connection.
11. dust catcher according to claim 8, which is characterized in that set between the blimp (5) and the end cap (4)
It is equipped with gasket seal (3), the corresponding connector of the gasket seal (3) and second through-hole (44) are provided with via hole
(31)。
12. dust catcher according to any one of claims 7-11, which is characterized in that the blimp (5) includes being arranged
In the vacuum motor (1) periphery, between form the inner shell (52) and outer shell (54) of the sound insulation chamber (53), it is described
Inner shell (52) and the outer shell (54) are an integral molding structure, one end of corresponding vacuum motor (1) air inlet
Offer the connector.
13. according to dust catcher described in claim 7-11, which is characterized in that the blimp (5) includes being arranged motor chamber
Shell (11) and main case (9), the vacuum motor (1) are fixed on the cavity surrounded by the motor chamber shell (11)
In, one end of main case (9) air inlet corresponding with motor chamber shell (11) is the connector, the other end
It is sealed to form the sound insulation chamber (53) by rubber sealing structure (10).
14. dust catcher according to claim 5, which is characterized in that the vacuum motor (1) and the blimp (5) it
Between be additionally provided with the vibration isolation rubber circle (2) for being set in the vacuum motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811103837.3A CN109124472A (en) | 2018-09-19 | 2018-09-19 | Noise reduction structure and dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811103837.3A CN109124472A (en) | 2018-09-19 | 2018-09-19 | Noise reduction structure and dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109124472A true CN109124472A (en) | 2019-01-04 |
Family
ID=64815342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811103837.3A Pending CN109124472A (en) | 2018-09-19 | 2018-09-19 | Noise reduction structure and dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109124472A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331556A (en) * | 2019-08-13 | 2019-10-15 | 珠海格力电器股份有限公司 | Outer barrel assembly and washing machine |
| CN110541281A (en) * | 2019-10-08 | 2019-12-06 | 珠海格力电器股份有限公司 | Noise reduction structure and washing machine |
| CN110699925A (en) * | 2019-10-31 | 2020-01-17 | 珠海格力电器股份有限公司 | Noise reduction device, drum driving assembly and washing machine |
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| JPH0630861A (en) * | 1992-06-26 | 1994-02-08 | Tokyo Electric Co Ltd | Vacuum cleaner |
| CN1985736A (en) * | 2005-12-20 | 2007-06-27 | 乐金电子(天津)电器有限公司 | Vacuum cleaner |
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| JP2009172215A (en) * | 2008-01-25 | 2009-08-06 | Toshiba Corp | Vacuum cleaner |
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| CN205144449U (en) * | 2015-11-21 | 2016-04-13 | 王剑波 | Multifunctional dust collector |
| CN106137038A (en) * | 2015-03-16 | 2016-11-23 | 向桂南 | A kind of upright vacuum cleaner low noise motor device |
| CN106160318A (en) * | 2015-03-16 | 2016-11-23 | 向桂南 | A kind of vacuum cleaner low noise motor device |
| CN107736837A (en) * | 2017-12-01 | 2018-02-27 | 莱克电气股份有限公司 | A kind of hand held cleaner |
| CN209285361U (en) * | 2018-09-19 | 2019-08-23 | 珠海格力电器股份有限公司 | Noise reduction structure and dust collector |
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2018
- 2018-09-19 CN CN201811103837.3A patent/CN109124472A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0630861A (en) * | 1992-06-26 | 1994-02-08 | Tokyo Electric Co Ltd | Vacuum cleaner |
| CN1985736A (en) * | 2005-12-20 | 2007-06-27 | 乐金电子(天津)电器有限公司 | Vacuum cleaner |
| CN101084819A (en) * | 2006-06-08 | 2007-12-12 | 乐金电子(天津)电器有限公司 | Vacuum cleaner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110331556A (en) * | 2019-08-13 | 2019-10-15 | 珠海格力电器股份有限公司 | Outer barrel assembly and washing machine |
| CN110331556B (en) * | 2019-08-13 | 2024-02-20 | 珠海格力电器股份有限公司 | Outer cylinder assembly and washing machine |
| CN110541281A (en) * | 2019-10-08 | 2019-12-06 | 珠海格力电器股份有限公司 | Noise reduction structure and washing machine |
| CN110699925A (en) * | 2019-10-31 | 2020-01-17 | 珠海格力电器股份有限公司 | Noise reduction device, drum driving assembly and washing machine |
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