CN110403524A - A kind of hand held cleaner - Google Patents
A kind of hand held cleaner Download PDFInfo
- Publication number
- CN110403524A CN110403524A CN201910707470.4A CN201910707470A CN110403524A CN 110403524 A CN110403524 A CN 110403524A CN 201910707470 A CN201910707470 A CN 201910707470A CN 110403524 A CN110403524 A CN 110403524A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- exhaust vent
- vacuum generator
- slot
- dust separator
- 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 claims abstract description 35
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000034 method Methods 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
- A47L5/00—Structural features of suction cleaners
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
- A47L9/2884—Details of arrangements of batteries or their installation
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The invention discloses a kind of hand held cleaners, include hand-held part；The top of the hand-held part is fixedly installed vacuum generator；The vacuum generator is horizontally disposed；The front end of the vacuum generator is provided with dust separator, and rear end is provided with battery pack；The dust separator and battery pack are also horizontally disposed with respectively；Blast pipe is horizontally provided on the hand-held part；One end of the blast pipe is blast pipe air inlet, and the other end is blast pipe air outlet；The blast pipe air outlet is connected to the dust separator air inlet of dust separator；The first exhaust vent is evenly equipped on the circumferential side wall of the vacuum generator；The rear end of the vacuum generator is provided with the second exhaust vent；The battery pack exhaust vent is connected to the second exhaust vent, and the battery pack can power for vacuum generator；Hand held cleaner of the present invention can extend the service life of motor and battery from vacuum generator and battery pack outlet air simultaneously.
Description
Technical field
The present invention relates to a kind of improvement of hand held cleaner, more particularly to it is a kind of can be from vacuum generator and battery pack
Outlet air simultaneously, can extend the hand held cleaner of the service life of motor and battery.
Background technique
Hand held cleaner figure is small and exquisite, carries and very easy to use, is adapted to clean lesser space, main to use
In interior cleaning, also there is good cleaning effect to keyboard, electric appliance etc..Flow generator in conventional hand held cleaner
At 200 hours, battery life went beyond the time limit and just needs replacing at 400 hours electrical machinery life, thus how to extend motor and battery
Service life, be the key factor that can reduce use cost.
We, which have developed, thus a kind of can extend making for motor and battery from the outlet air simultaneously of vacuum generator and battery pack
With the hand held cleaner in service life.
Summary of the invention
It can prolong from vacuum generator and battery pack outlet air simultaneously the invention mainly solves the technical problem of providing a kind of
The hand held cleaner of the service life of long motor and battery.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of hand held cleaner is provided, is wrapped
Containing hand-held part；The top of the hand-held part is fixedly installed vacuum generator；The vacuum generator is horizontally disposed；The vacuum
The front end of generator is provided with dust separator, and rear end is provided with battery pack；The dust separator and battery pack also distinguish water
Flat setting；The central axis of the vacuum generator, dust separator and battery pack is horizontally disposed with respectively；Water on the hand-held part
Level land is provided with blast pipe；One end of the blast pipe is blast pipe air inlet, and the other end is blast pipe air outlet；The air inlet
Pipe air outlet is connected to the dust separator air inlet of dust separator；The dust separator air inlet is located at dust separator
Side wall on；The first exhaust vent is evenly equipped on the circumferential side wall of the vacuum generator；The rear end of the vacuum generator is set
It is equipped with the second exhaust vent；When work, the vacuum generator can be from the first exhaust vent air draft, also can be from the second exhaust vent air draft；
Battery pack exhaust vent is provided in the battery pack；The battery pack exhaust vent is connected to the second exhaust vent, the battery pack energy
For vacuum generator power supply.
Preferably, the battery pack exhaust vent is connected to the inside of battery pack, is walked battery in battery pack so as to energy band and is generated
Heat.
Preferably, the first exhaust vent and the second exhaust vent distinguish the central axis setting of parallel vacuum generator, and first
The outlet air section of exhaust vent is bigger than the second exhaust vent.
Preferably, the central axis setting of the battery pack exhaust vent parallel cells packet.
Preferably, first exhaust vent is strip.
Preferably, in the outlet air end insertion vacuum generator of the dust separator, connection is realized, the other end passes through lock
It is locked on blast pipe, to solve opening lock catch, just dust separator can be removed.
Preferably, the rear end of the vacuum generator is provided with jack；Second exhaust vent is arranged in the jack
Bottom；The lower part of the inner sidewall of the jack is provided with the second slot, and the front end of the battery pack is provided with plug；It is described
The lower part of plug is provided with plug, when battery pack plug insertion vacuum generator jack in when, battery pack exhaust vent with
The connection of second exhaust vent, plug are inserted into the second slot, and enabling the battery in battery pack is motor power supply in vacuum generator.
Preferably, the top of the inner sidewall of the jack is provided with the first slot, and left and right side is symmetrically provided with
Three slots；The top of the plug is provided with the first cutting, and the left and right side of the battery pack is symmetrically arranged with latch segment；
The front of the latch segment is provided with latch segment protrusion, and rear portion is provided with button；The latch segment protrusion, which is arranged in correspondence with, is inserting
On the lateral wall of head；The button is arranged in correspondence at the rear portion of battery pack；When the plug of battery pack is inserted into vacuum generator
When in jack, battery pack exhaust vent is connected to the second exhaust vent, and the first cutting is inserted into the first slot, and plug insertion second is inserted
In slot, enabling the battery in battery pack is that motor power supply, latch segment protrusion are inserted correspondingly into third slot in vacuum generator,
Realize that battery pack is fixed on vacuum generator.
Preferably, first slot and the second slot are symmetrical, and the first slot, the second slot and 2 thirds are inserted
Slot is evenly arranged on the inner wall of jack.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
In hand held cleaner of the present invention, the vacuum generator 4 can be from the first exhaust vent 41 on its circumferential side wall
Air draft, also can be from 43 air draft of the second exhaust vent of the rear end of the vacuum generator 4, second exhaust vent 43 and battery pack
Battery pack exhaust vent 51 on 5 is connected to, so that energy band walks the heat that battery generates in battery pack, to extend battery in battery pack
Working life；The vacuum generator 4 can quickly reduce vacuum from 41 air draft of the first exhaust vent on its side wall simultaneously
Temperature in device 4 can be such that the motor in vacuum generator 4 is in lower temperature and work, extend its working life；There are also due to
Motor of first exhaust vent 41 in vacuum generator 4, and the outlet air section of the first exhaust vent 41 is than the second exhaust vent 43
Greatly, when work, the heat that motor generates can make in the machine cavity in vacuum generator 4 from the first quickly discharge of exhaust vent 41
Temperature be in lower temperature, closer to room temperature, so that the temperature for the wind being discharged from the second exhaust vent 43 is also at lower temperature,
Closer to room temperature, that is, the temperature into the wind of battery pack 5 is made to be also at lower temperature, closer to room temperature, to the maximum extent
The wind avoided into battery pack 5 is heated to battery, is more advantageous to the fast of the heat generated when battery works in battery pack 5 in this way
Speed discharge, is conducive to be in battery pack 5 in lower operating temperature, is more advantageous to the work longevity for extending battery in battery pack
Life.
Detailed description of the invention
Fig. 1 is the schematic perspective view of hand held cleaner of the present invention；
Fig. 2 is the cross-sectional view of hand held cleaner of the present invention；
Fig. 3 is the stereochemical structure enlargement decomposition of hand held cleaner of the present invention；
Fig. 4 is the stereochemical structure enlarged drawing of the battery pack of hand held cleaner of the present invention；
Fig. 5 is the partial section enlarged view of the battery pack of hand held cleaner of the present invention；
The components in the drawings are labeled as follows: 1, hand-held part；2, dust separator；3, blast pipe；4, vacuum generator；5, battery
Packet；21, dust separator air inlet；31, blast pipe air inlet；32, blast pipe air outlet；41, the first exhaust vent；42, jack；
43, the second exhaust vent；44, the first slot；45, the second slot；46, third slot；51, battery pack exhaust vent；52, button；53,
Plug；54, the first cutting；55, plug；56, latch segment；57, latch segment protrusion.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Fig. 1 to Fig. 5 is please referred to, the embodiment of the present invention includes: a kind of hand held cleaner includes hand-held part 1；It is described hand-held
Portion 1 is used to that hand is facilitated to hold；The top of the hand-held part 1 is fixedly installed vacuum generator 4；The vacuum generator 4 is horizontal
Setting；The front end of the vacuum generator 4 is provided with dust separator 2, and rear end is provided with battery pack 5；The dust separator 2
It is also horizontally disposed with respectively with battery pack 5；The central axis of the vacuum generator 4, dust separator 2 and battery pack 5 distinguishes water
Flat setting；Blast pipe 3 is horizontally provided on the hand-held part 1；One end of the blast pipe 3 is blast pipe air inlet 31, separately
One end is blast pipe air outlet 32；The blast pipe air outlet 32 is connected to the dust separator air inlet 21 of dust separator 2；
The dust separator air inlet 21 is located on the side wall of dust separator 2；In the present embodiment, the dust separator 2 goes out
Wind end is inserted into vacuum generator 4, realizes connection, the other end is locked on blast pipe 3 by latching (not shown), to unlock
Lock, just can remove dust separator 2, in the present embodiment, the connection structure of the dust separator 2 and vacuum generator 4
Being locked in the structure of blast pipe 3 by lock (not shown) with dust separator 2 is conventional design, therefore is not stated again and again herein；Institute
It states and is evenly equipped with the first exhaust vent 41 on the circumferential side wall of vacuum generator 4；First exhaust vent 41 is strip；When work,
The vacuum generator 4 can be from 41 air draft of the first exhaust vent；The rear end of the vacuum generator 4 is provided with jack 42；It is described
The rear end of vacuum generator 4 is provided with the second exhaust vent 43；The vacuum generator 4 also can be from 43 air draft of the second exhaust vent；
In the present embodiment, the first exhaust vent 41 distinguishes the central axis setting of parallel vacuum generator 4, and first with the second exhaust vent 43
The outlet air section of exhaust vent 41 is bigger than the second exhaust vent 43, due to motor of first exhaust vent 41 in vacuum generator 4,
When work, the heat that motor generates can make the intracorporal temperature of motor cavity in vacuum generator 4 from the first quickly discharge of exhaust vent 41
Degree is in lower temperature, closer to room temperature, thus the temperature for the wind being discharged from the second exhaust vent 43 also lower temperature, closer to room
Temperature；The bottom of the jack 42 is arranged in second exhaust vent 43；The top of the inner sidewall of the jack 42 is provided with first
Slot 44, lower part are provided with the second slot 45, and left and right side is symmetrically provided with third slot 46；It is set in the battery pack 5
It is equipped with battery pack exhaust vent 51；In the present embodiment, the central axis of the 51 parallel cells packet 5 of battery pack exhaust vent is arranged；Institute
It states battery pack exhaust vent 51 to be connected to the inside of battery pack 5, so that energy band walks the heat that battery generates in battery pack；The battery
The front end of packet 5 is provided with plug 53；The top of the plug 53 is provided with the first cutting 54, and lower part is provided with plug 55,
The left and right side of the battery pack 5 is symmetrically arranged with latch segment 56；It is convex that the front of the latch segment 56 is provided with latch segment
57 are played, rear portion is provided with button 52；The latch segment protrusion 57 is arranged in correspondence on the lateral wall of plug 53；The button 52
It is arranged in correspondence at the rear portion of battery pack 5；When in the jack 42 that the plug 53 of battery pack 5 is inserted into vacuum generator 4, battery pack
Exhaust vent 51 is connected to the second exhaust vent 43, and the first cutting 54 is inserted into the first slot 44, and plug 55 is inserted into the second slot 45
In, enabling the battery in battery pack is that motor power supply, latch segment protrusion 57 are inserted correspondingly into third slot 46 in vacuum generator 4
In, realize that battery pack 5 is fixed on vacuum generator 4.
When removing battery pack 5, while two buttons 52 are pressed, makes latch segment protrusion 57 respectively from corresponding third slot 46
Middle abjection can remove battery pack 5.
In the present embodiment, first slot 44 and the second slot 45 are symmetrical, and the first slot 44, the second slot 45
It is evenly arranged on the inner wall of jack 42 with 2 third slots 46.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
In hand held cleaner of the present invention, the vacuum generator 4 can be from the first exhaust vent 41 on its circumferential side wall
Air draft, also can be from 43 air draft of the second exhaust vent of the rear end of the vacuum generator 4, second exhaust vent 43 and battery pack
Battery pack exhaust vent 51 on 5 is connected to, so that energy band walks the heat that battery generates in battery pack, to extend battery in battery pack
Working life；The vacuum generator 4 can quickly reduce vacuum from 41 air draft of the first exhaust vent on its side wall simultaneously
Temperature in device 4 can be such that the motor in vacuum generator 4 is in lower temperature and work, extend its working life；There are also due to
Motor of first exhaust vent 41 in vacuum generator 4, and the outlet air section of the first exhaust vent 41 is than the second exhaust vent 43
Greatly, when work, the heat that motor generates can make in the machine cavity in vacuum generator 4 from the first quickly discharge of exhaust vent 41
Temperature be in lower temperature, closer to room temperature, so that the temperature for the wind being discharged from the second exhaust vent 43 is also at lower temperature,
Closer to room temperature, that is, the temperature into the wind of battery pack 5 is made to be also at lower temperature, closer to room temperature, to the maximum extent
The wind avoided into battery pack 5 is heated to battery, is more advantageous to the fast of the heat generated when battery works in battery pack 5 in this way
Speed discharge, is conducive to be in battery pack 5 in lower operating temperature, is more advantageous to the work longevity for extending battery in battery pack
Life.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of hand held cleaner, it is characterised in that: include hand-held part；The top of the hand-held part is fixedly installed vacuum hair
Raw device；The vacuum generator is horizontally disposed；The front end of the vacuum generator is provided with dust separator, and rear end is provided with electricity
Chi Bao；The dust separator and battery pack are also horizontally disposed with respectively；The vacuum generator, dust separator and battery pack
Central axis is horizontally disposed with respectively；Blast pipe is horizontally provided on the hand-held part；One end of the blast pipe is blast pipe
Air inlet, the other end are blast pipe air outlet；The dust separator air inlet of the blast pipe air outlet and dust separator connects
It is logical；The dust separator air inlet is located on the side wall of dust separator；It is uniformly distributed on the circumferential side wall of the vacuum generator
There is the first exhaust vent；The rear end of the vacuum generator is provided with the second exhaust vent；When work, the vacuum generator can be from
First exhaust vent air draft, also can be from the second exhaust vent air draft；Battery pack exhaust vent is provided in the battery pack；The battery pack
Exhaust vent is connected to the second exhaust vent, and the battery pack can power for vacuum generator.
2. according to hand held cleaner described in claim 1, it is characterised in that: the inside of the battery pack exhaust vent and battery pack
Connection, so that energy band walks the heat that battery generates in battery pack.
3. according to hand held cleaner described in claim 1, it is characterised in that: the first exhaust vent and the second exhaust vent difference are parallel
The central axis of vacuum generator is arranged, and the outlet air section of the first exhaust vent is bigger than the second exhaust vent.
4. according to hand held cleaner as claimed in claim 3, it is characterised in that: in the battery pack exhaust vent parallel cells packet
The setting of mandrel line.
5. according to hand held cleaner described in claim 1, it is characterised in that: first exhaust vent is strip.
6. according to hand held cleaner described in claim 1, it is characterised in that: the outlet air end of the dust separator is inserted into vacuum
In generator, connection is realized, the other end, just can be by dust separator to solve opening lock catch by being locked on blast pipe
It removes.
7. according to hand held cleaner described in claim 1, it is characterised in that: the rear end of the vacuum generator is provided with slotting
Hole；The bottom of the jack is arranged in second exhaust vent；The lower part of the inner sidewall of the jack is provided with the second slot, institute
The front end for stating battery pack is provided with plug；The lower part of the plug is provided with plug, when the plug of battery pack is inserted into vacuum
When in the jack of generator, battery pack exhaust vent is connected to the second exhaust vent, and plug is inserted into the second slot, is made in battery pack
Battery can be motor power supply in vacuum generator.
8. according to hand held cleaner as claimed in claim 7, it is characterised in that: the top of the inner sidewall of the jack is provided with
One slot, left and right side are symmetrically provided with third slot；The top of the plug is provided with the first cutting, the battery pack
Left and right side be symmetrically arranged with latch segment；The front of the latch segment be provided with latch segment protrusion, rear portion be provided with by
Button；The latch segment protrusion is arranged in correspondence on the lateral wall of plug；The button is arranged in correspondence at the rear portion of battery pack；
When in the jack of the plug of battery pack insertion vacuum generator, battery pack exhaust vent is connected to the second exhaust vent, the first cutting
It being inserted into the first slot, plug is inserted into the second slot, and enabling the battery in battery pack is motor power supply in vacuum generator,
Latch segment protrusion is inserted correspondingly into third slot, realizes that battery pack is fixed on vacuum generator.
9. according to hand held cleaner according to any one of claims 8, it is characterised in that: first slot and the second slot symmetrically divide
Cloth, and the first slot, the second slot and 2 third slots are evenly arranged on the inner wall of jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707470.4A CN110403524A (en) | 2019-08-01 | 2019-08-01 | A kind of hand held cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707470.4A CN110403524A (en) | 2019-08-01 | 2019-08-01 | A kind of hand held cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110403524A true CN110403524A (en) | 2019-11-05 |
Family
ID=68365191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910707470.4A Pending CN110403524A (en) | 2019-08-01 | 2019-08-01 | A kind of hand held cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110403524A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202015105894U1 (en) * | 2015-11-05 | 2017-02-07 | Genius Gmbh | Handstaubsauger |
| CN106691307A (en) * | 2017-02-13 | 2017-05-24 | 苏州川欧电器有限公司 | Handheld dust collector |
| CN108378778A (en) * | 2017-11-30 | 2018-08-10 | 蒋米娜 | A kind of rechargeable dust collector of lithium battery group energy rapid cooling |
| CN208481228U (en) * | 2017-11-12 | 2019-02-12 | 炬大科技有限公司 | A kind of hand-held cleaners air cooling channel structure and hand-held cleaners |
| CN109512337A (en) * | 2019-01-07 | 2019-03-26 | 珠海格力电器股份有限公司 | A kind of noise reduction radiator structure and its dust catcher |
| CN109832997A (en) * | 2019-02-11 | 2019-06-04 | 苏州川欧电器有限公司 | Hand-held mute dust collector |
| CN209153418U (en) * | 2018-05-24 | 2019-07-26 | 尚科宁家（香港）股份有限公司 | A kind of hand-held cleaning device |
| CN210902818U (en) * | 2019-08-01 | 2020-07-03 | 苏州川欧电器有限公司 | Hand-held type dust catcher |
-
2019
- 2019-08-01 CN CN201910707470.4A patent/CN110403524A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202015105894U1 (en) * | 2015-11-05 | 2017-02-07 | Genius Gmbh | Handstaubsauger |
| CN106691307A (en) * | 2017-02-13 | 2017-05-24 | 苏州川欧电器有限公司 | Handheld dust collector |
| CN208481228U (en) * | 2017-11-12 | 2019-02-12 | 炬大科技有限公司 | A kind of hand-held cleaners air cooling channel structure and hand-held cleaners |
| CN108378778A (en) * | 2017-11-30 | 2018-08-10 | 蒋米娜 | A kind of rechargeable dust collector of lithium battery group energy rapid cooling |
| CN209153418U (en) * | 2018-05-24 | 2019-07-26 | 尚科宁家（香港）股份有限公司 | A kind of hand-held cleaning device |
| CN109512337A (en) * | 2019-01-07 | 2019-03-26 | 珠海格力电器股份有限公司 | A kind of noise reduction radiator structure and its dust catcher |
| CN109832997A (en) * | 2019-02-11 | 2019-06-04 | 苏州川欧电器有限公司 | Hand-held mute dust collector |
| CN210902818U (en) * | 2019-08-01 | 2020-07-03 | 苏州川欧电器有限公司 | Hand-held type dust catcher |
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