CN102204798A - Wet or dry dust collector - Google Patents
Wet or dry dust collector Download PDFInfo
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- CN102204798A CN102204798A CN2010101379229A CN201010137922A CN102204798A CN 102204798 A CN102204798 A CN 102204798A CN 2010101379229 A CN2010101379229 A CN 2010101379229A CN 201010137922 A CN201010137922 A CN 201010137922A CN 102204798 A CN102204798 A CN 102204798A
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Abstract
The invention discloses a wet or dry dust collector, comprising a primary cyclone separator and a secondary cyclone separator which are mutually connected in series as well as a primary dust collection bucket and a secondary dust collection bucket which are respectively connected with a first dust outlet on the primary cyclone separator and a second dust outlet on the secondary cyclone separator; and the secondary dust collection bucket is coaxially arranged below the secondary cyclone separator and the secondary dust collection bucket is internally provided with floating balls which can enter into the secondary cyclone separator. In the wet or dry dust collector provided by the invention, the water level condition can be conveniently controlled, and dust-containing gas can be fully filtered, thus the efficiency of dust collection and dust removal effect are greatly improved.
Description
Technical field
The present invention relates to a kind of Wet-dry dust catcher.
Background technology
Existing Wet-dry dust catcher adopts paper bag or cloth-bag type structure usually, and the problem of its existence is, after the use, can cause dust catcher suction to descend, influence follow-up cleaning, and, also be unfavorable for environmental protection because paper bag or the reusable number of times of cloth bag are less.Industry has the cyclone technology of employing to substitute paper bag or cloth bag at present in addition, but all be to be applied on the dry type dust catcher, and the Wet-dry dust catcher is because will draw sewage and dust simultaneously, the effect that adopts existing cyclone technology to obtain is unsatisfactory, and structure is more complicated, and the Wet-dry dust catcher all taked the modes of emplacement put on the vacuum motor, with general dry type dust catcher vacuum motor modes of emplacement and inequality.
Summary of the invention
The present invention seeks to: a kind of Wet-dry dust catcher that can make full use of the space and improve filter efficiency is provided, make the user to use convenient.
A technical scheme of the present invention is: a kind of Wet-dry dust catcher, comprise the I and II cyclone separator of mutual serial connection, and the I and II dust bucket that links to each other with first and second dust mouths on the I and II cyclone separator respectively; Described secondary dust bucket is arranged on the below of secondary cyclone coaxially, is provided with the ball float that can enter in the secondary cyclone in it.
Be provided with the guide housing of accommodating described ball float in the dust bucket of secondary described in the present invention, wherein comprise that several extend perpendicularly to the guiding rib of the second dedusting mouth and space and are positioned at bottom center and the ring-shaped article of hollow around the guide housing.
Secondary cyclone described in the present invention includes second air outlet, and the diameter of its second air outlet is less than the diameter of described ball float, and when initial, ball float is resisted against the upper end of this ring-shaped article, and during termination, ball float is resisted against on second air outlet.
The present invention further comprises the middle plate that is arranged on single stage of dust collection bucket top, the top of plate during described primary cyclone is horizontally installed on, and described secondary cyclone is vertically set on the below of middle plate.
The present invention its further comprise three-stage cyclone separator and be connected two, the conducting element of three-stage cyclone separator, wherein conducting element one end links to each other with second air outlet, described three-stage cyclone separator includes the 3rd air inlet that links to each other with the conducting element other end, on the plate vacuum motor and extra large handkerchief filter are installed in described, wherein extra large handkerchief filter bits is in the top of three grades of cyclones, and is positioned at the below of vacuum motor.
The dust bucket of secondary described in the present invention is provided with several holddown grooves of being positioned at bottom outside, cooperates a fixing sealing ring with holddown groove and is positioned at bottom and bottom moving up and down, when dust catcher is worked, this bottom move up with the staving adhesive to store up ash, and dust catcher is not when working, this bottom moves down and separates with staving, and dust is fallen in the single stage of dust collection bucket.
Bottom described in the present invention comprises a cylindrical portion and an auxiliary section, and wherein cylindrical portion is positioned at the central authorities of auxiliary section, and the diameter of cylindrical portion is less than the diameter of auxiliary section, and when dust catcher was worked, auxiliary section and sealing ring were sealed and matched.
Another technical scheme of the present invention is: a kind of Wet-dry dust catcher, comprise the single stage of dust collection bucket and be arranged on plate in one on the single stage of dust collection bucket, the top of plate is provided with a vacuum motor in wherein being somebody's turn to do, the top of plate also is horizontally arranged with primary cyclone in described, the below of described middle plate is vertically installed with secondary cyclone and is positioned at the secondary dust bucket of secondary cyclone below coaxially, the upstream of wherein said secondary cyclone is a primary cyclone, and its downstream is a vacuum motor, is provided with the ball float that can enter in the secondary cyclone in the described secondary dust bucket simultaneously.
The top of secondary cyclone described in the present invention is provided with second air outlet, and the bottom is provided with the second dedusting mouth, and be provided with the guide housing of accommodating described ball float in the described secondary dust bucket, wherein comprise that several extend perpendicularly to the guiding rib of the second dedusting mouth and space and are positioned at bottom center and the ring-shaped article of hollow around the guide housing.
The diameter of ball float described in the present invention is less than the diameter of the second dedusting mouth, and greater than the diameter of second air outlet.
Advantage of the present invention is:
In this Wet-dry dust catcher provided by the present invention, by the ball float that can enter in the secondary cyclone is set in the secondary dust bucket, convenient control water level situation, simultaneously by the horizontally set of primary cyclone and the vertical setting of secondary cyclone, make full use of the space of dust bucket, can fully filter dusty gas, efficiency of dust collection and dust removing effects have been improved greatly, and it is simple in structure, simultaneously when cleaning, the user only needs the single stage of dust collection bucket is toppled over, and operates more convenient.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is a three-dimensional decomposition texture schematic diagram of the present invention;
Fig. 2 is a three-dimensional assembled state structural representation of the present invention;
Fig. 3 is the vertical view of Fig. 2, and wherein part-structure is revealed;
Fig. 4 is the partial sectional view of Fig. 2, wherein bottom and mutual airtight cooperation of secondary dust bucket;
Fig. 5 is the partial sectional view of Fig. 2, and wherein bottom and secondary dust bucket are separated from each other;
Fig. 6 is the partial sectional view at another visual angle of Fig. 2, and wherein ball float is positioned at the bottom of secondary dust bucket;
Fig. 7 is the partial sectional view at another visual angle of Fig. 2, and wherein ball float is positioned at the top of secondary dust bucket;
Wherein: 1, primary cyclone; 12, whirlwind spare; 120, taper filtering screen; 14, mozzle; 101, first air inlet; 102, first air outlet; 103, first dust mouth; 2, secondary cyclone; 201, second air inlet; 202, second air outlet; 203, second dust mouth; 22, sealing ring; 3, single stage of dust collection bucket; 4, secondary dust bucket; 40, bottom; 402, cylindrical portion; 404, auxiliary section; 42, holddown groove; 44, guide housing; 440, guiding rib; 442, ring-shaped article; 46, ball float; 5, conducting element; 50, the 3rd cyclone; 52, the 3rd air inlet; 6, middle plate; 60, resettlement section; 8, vacuum motor; 9, extra large handkerchief filter.
The specific embodiment
Embodiment: at first in conjunction with Fig. 1, Fig. 2, shown in Figure 3, the invention provides a kind of specific embodiment of Wet-dry dust catcher, it comprise single stage of dust collection bucket 3 and be removably disposed in single stage of dust collection bucket 3 tops one in plate 6, the top of plate 6 is provided with the primary cyclone 1 of a vacuum motor 8 and horizontally set in wherein being somebody's turn to do, and the below is vertically installed with secondary cyclone 2 and be positioned at the secondary dust bucket 4 of secondary cyclone 2 belows coaxially, the upstream of wherein said secondary cyclone 2 is a primary cyclone 1, the downstream of secondary cyclone 2 is vacuum motor 8 or the 3rd cyclone separator 50, is provided with the ball float 46 that can enter in the secondary cyclone 2 in the secondary dust bucket 4 simultaneously.
The top and the lateral wall of plate 6 were surrounded with a curved mozzle 14 during primary cyclone 1 was horizontally installed on, have first air inlet 101, first air outlet 102 and first dust mouth 103 that link to each other with mozzle 14 1 ends on its sidewall, its inside also is provided with an end and inserts into the inner also dismountable whirlwind spare 12, one end of this whirlwind spare 12 is provided with a taper filtering screen 120, and this taper filtering screen 120 and first air outlet 102 are interconnected.
In conjunction with Fig. 4 and Fig. 5, secondary cyclone 2 is small top and big bottom frusto-conical, the below and the major part of plate 6 were positioned at single stage of dust collection bucket 3 during it was vertically set on, and include second air inlet 201 that is arranged in plate top, with secondary cyclone 2 coaxial settings and second air outlet 202 on being positioned at and be positioned at second dust mouth 203 of lower end, wherein second dust mouth 203 is positioned at secondary dust bucket 4, is inserted in the secondary dust bucket 4 to guarantee secondary cyclone 2 parts.Secondary dust bucket 4 is provided with several holddown grooves 42 of being positioned at bottom outside, cooperates a fixing sealing ring 22 with holddown groove 42 and is positioned at bottom and bottom moving up and down 40, when dust catcher is worked, this bottom 40 move up with the staving adhesive to store up ash, and dust catcher is not when working, this bottom 40 moves down and separates with staving, and dust is fallen in the single stage of dust collection bucket 3.
Please refer to Fig. 6 and Fig. 7, be no more than peak level, also be provided with the guide housing 44 of a column in the secondary dust bucket 4 for guaranteeing the liquid in the dust catcher.This guide housing 44 is used to accommodate ball float 46, and comprise that several extend perpendicularly to the guiding rib 440 of second dust mouth 203 and space and are positioned at bottom center and the ring-shaped article of hollow 442 around it, intersect guiding rib 440 upper ends and second dust mouth 203, the lower end then flushes with the bottom of ring-shaped article 442, this guiding rib 440 circumferentially moves in order to restriction ball float 46, only allows ball float 46 to move up and down.The diameter of ring-shaped article 442 is less than the diameter of ball float 46, and greater than the diameter of cylindrical portion 402.
For further improving efficiency of dust collection, further comprise the three-stage cyclone separator 50 that is positioned at secondary cyclone 2 downstreams, with be connected two, the conducting element 5 of three-stage cyclone separator, conducting element 5 parts are arranged in the top of plate 6, wherein second air outlet 202 of secondary cyclone 2 links to each other with conducting element 5 one ends, three-stage cyclone separator 50 includes the 3rd air inlet 52 that links to each other with conducting element 5 other ends, the below of plate 6 also is provided with the resettlement section 60 of downward protrusion in described, this resettlement section 60 is accommodated an extra large handkerchief filter 9 is installed, wherein extra large handkerchief filter 9 is positioned at the top of three grades of cyclones 50, and is positioned at the below of vacuum motor 8.
Shown in Fig. 3-7, the course of work of present embodiment is as follows: after connecting power supply, the dusty gas that sucks from the dust catcher front portion at first first air inlet 101 on primary cyclone 1 enters filtering cinder in the primary cyclone 1 by mozzle 14, cinder and sewage fall in the single stage of dust collection bucket 3 by first dust mouth 103, contain thin dirt gas then through the mesh of taper filtering screen 120, again by second air inlet 201 enter carry out in the secondary cyclone 2 the secondary cyclone dedusting separate to come filtering carefully the ash, thin ash and sewage fall in the secondary dust bucket 4, gas comes out to enter third level cyclone separator 50 through the air inlet 52 of conducting element 5 from second air outlet 202, carry out three cyclone dust removal and come ultra-fine ash of filtering and steam, enter in the vacuum motor 8 by extra large handkerchief filter 9 again, at last from vacuum motor 8 terminal discharges.In this process because the negative pressure that produces on bottom 40 tops during vacuum motor 8 work forces the bottom 40 can the tight adhesive with the staving of secondary dust bucket 4, to hold thin ash, as shown in Figure 4; The upper end of the cylindrical portion 402 of bottom 40 is arranged in the ring-shaped article 442 versatilely, when initial, ball float 46 is resisted against the upper end of this ring-shaped article 442, and keep gaps with cylindrical portion 402, in case and the dust catcher power supply disconnects, so because the negative pressure that vacuum motor 8 produces on bottom 40 tops elimination, bottom 40 will fall certain distance immediately automatically, be fixed on the bottom of ring-shaped article 442 up to the upper end of cylindrical portion 402, make thin ash in the secondary dust bucket 4 from landing on the bottom 40 to single stage of dust collection bucket 3, specifically as shown in Figure 5.When initial (as Fig. 6), ball float 46 is resisted against the upper end of this ring-shaped article 442, and keep gaps with cylindrical portion 402, when the water level of liquid during at peak level (as Fig. 7), because the diameter of ball float 46 is greater than second air outlet 202 of secondary cyclone 2, and less than the diameter of second dust mouth 203, it will enter in the secondary cyclone 2, to block second air outlet 202 of secondary cyclone 2, the interior no negative pressure of I and II dust bucket bucket this moment, dust catcher will quit work, and the user is imbibition body or rubbish more also, remind the user liquid in the staving should to be cleaned out.
Because the auxiliary section 404 of bottom 40 is frustoconical described in the present embodiment, so be convenient to falling of dust, while is in the process of the staving adhesive of bottom 40 and secondary dust bucket 4, because the diameter of auxiliary section 404 ends is greater than the diameter of sealing ring 22, and the effect of being sealed and matched with sealing ring 22, make can not misplace between bottom 40 and the secondary dust bucket 4, but closely adhesive all the time.
From the foregoing description as can be known, this Wet-dry dust catcher of the present invention, by the ball float that can enter in the secondary cyclone is set in the secondary dust bucket, convenient control water level situation, simultaneously by the horizontally set of primary cyclone and the vertical setting of secondary cyclone, make full use of the space of dust bucket, can fully filter dusty gas, efficiency of dust collection and dust removing effects have been improved greatly, and it is simple in structure, when cleaning, the user only needs the single stage of dust collection bucket is toppled over, and operates more convenient simultaneously.In addition, the number of I and II cyclone separator is single in the present embodiment, also can change into according to actual needs more than two, with further raising filter efficiency.
Certainly the foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.The all spiritual essence of main technical schemes is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (10)
1. Wet-dry dust catcher comprises the I and II cyclone separator (1,2) of mutual serial connection, and the I and II dust bucket (3,4) that links to each other with first and second dust mouths (103,203) on the I and II cyclone separator (1,2) respectively; It is characterized in that: described secondary dust bucket (4) is arranged on the below of secondary cyclone (2) coaxially, is provided with the ball float (46) that can enter in the secondary cyclone (2) in it.
2. Wet-dry dust catcher according to claim 1, it is characterized in that: be provided with the guide housing (44) of accommodating described ball float (46) in the described secondary dust bucket (4), wherein guide housing (44) comprises that on every side several extend perpendicularly to the guiding rib (440) of the second dedusting mouth (203) and space and are positioned at bottom center and the ring-shaped article of hollow (442).
3. Wet-dry dust catcher according to claim 2, it is characterized in that: the top of described secondary cyclone (2) includes second air outlet (202), and the diameter of its second air outlet (202) is less than the diameter of described ball float (46), when initial, ball float (46) is resisted against the upper end of this ring-shaped article (442), during termination, ball float (46) is resisted against on second air outlet (202).
4. Wet-dry dust catcher according to claim 3, it is characterized in that: it further comprises the middle plate (6) that is arranged on single stage of dust collection bucket (3) top, wherein said primary cyclone (1) is horizontally installed on the top of middle plate (6), and described secondary cyclone (2) is vertically set on the below of middle plate (6).
5. according to claim 3 or 4 described Wet-dry dust catchers, it is characterized in that: it further comprises three-stage cyclone separator (50) and is connected two, the conducting element of three-stage cyclone separator (5), wherein conducting element (5) one ends link to each other with second air outlet (202), described three-stage cyclone separator (50) includes the 3rd air inlet (52) that links to each other with conducting element (5) other end, on the plate (6) vacuum motor (8) and extra large handkerchief filter (9) are installed in described, wherein extra large handkerchief filter (9) is positioned at the top of three grades of cyclones (50), and is positioned at the below of vacuum motor (8).
6. Wet-dry dust catcher according to claim 1, it is characterized in that: described secondary dust bucket (4) is provided with several holddown grooves (42) of being positioned at bottom outside, cooperates a fixing sealing ring (22) with holddown groove (42) and is positioned at bottom and bottom moving up and down (40), when dust catcher is worked, this bottom (40) move up with the staving adhesive to store up ash, and dust catcher is not when working, this bottom (40) moves down and separates with staving, and dust is fallen in the single stage of dust collection bucket (3).
7. Wet-dry dust catcher according to claim 6, it is characterized in that: described bottom (40) comprises a cylindrical portion (402) and an auxiliary section (404), wherein cylindrical portion (402) is positioned at the central authorities of auxiliary section (404), the diameter of cylindrical portion (402) is less than the diameter of auxiliary section (404), when dust catcher was worked, auxiliary section (404) were sealed and matched with sealing ring (22).
8. Wet-dry dust catcher, comprise single stage of dust collection bucket (3) and be arranged on plate (6) in one on the single stage of dust collection bucket (3), the top of plate (6) is provided with a vacuum motor (8) in wherein being somebody's turn to do, it is characterized in that: the top of plate (6) also is horizontally arranged with primary cyclone (1) in described, the below of described middle plate (6) is vertically installed with secondary cyclone (2) and is positioned at the secondary dust bucket (4) of secondary cyclone (2) below coaxially, the upstream of wherein said secondary cyclone (2) is primary cyclone (1), and its downstream is vacuum motor (8), is provided with the ball float (46) that can enter in the secondary cyclone (2) in the described secondary dust bucket (4) simultaneously.
9. Wet-dry dust catcher according to claim 8, it is characterized in that: the top of described secondary cyclone (2) is provided with second air outlet (202), and the bottom is provided with the second dedusting mouth (203), and be provided with the guide housing (44) of accommodating described ball float (46) in the described secondary dust bucket (4), wherein guide housing (44) comprises that on every side several extend perpendicularly to the guiding rib (440) of the second dedusting mouth (203) and space and are positioned at bottom center and the ring-shaped article of hollow (442).
10. Wet-dry dust catcher according to claim 9 is characterized in that: the diameter of described ball float (46) is less than the diameter of the second dedusting mouth (203), and greater than the diameter of second air outlet (202).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010137922 CN102204798B (en) | 2010-03-29 | 2010-03-29 | Wet or dry dust collector |
| PCT/CN2010/075383 WO2011050637A1 (en) | 2009-10-29 | 2010-07-22 | Dry and wet dual purpose vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010137922 CN102204798B (en) | 2010-03-29 | 2010-03-29 | Wet or dry dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102204798A true CN102204798A (en) | 2011-10-05 |
| CN102204798B CN102204798B (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010137922 Active CN102204798B (en) | 2009-10-29 | 2010-03-29 | Wet or dry dust collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN102204798B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212493A (en) * | 2013-01-19 | 2013-07-24 | 江苏森泽环保工程科技有限公司 | Embedded dual-stage cyclone dust remover |
| CN107981778A (en) * | 2018-01-16 | 2018-05-04 | 小狗电器互联网科技（北京）股份有限公司 | Tub type dust catcher and its filtering air passage |
| CN107997676A (en) * | 2018-01-16 | 2018-05-08 | 小狗电器互联网科技（北京）股份有限公司 | Tub type dust catcher and its bung component |
| CN108095637A (en) * | 2018-01-16 | 2018-06-01 | 小狗电器互联网科技（北京）股份有限公司 | Tub type dust catcher and its cyclone separator |
| CN108720726A (en) * | 2018-07-27 | 2018-11-02 | 珠海格力电器股份有限公司 | A kind of Wet-dry type cyclonic separation component and dust catcher |
| WO2019001545A1 (en) * | 2017-06-28 | 2019-01-03 | 苏州宝时得电动工具有限公司 | Vacuum cleaner |
| CN109528075A (en) * | 2019-02-01 | 2019-03-29 | 苏州爱普电器有限公司 | Wet type surface cleaning pedestal and vacuum cleaner |
| CN109528074A (en) * | 2019-02-01 | 2019-03-29 | 苏州爱普电器有限公司 | Surface cleaning pedestal |
| CN109645886A (en) * | 2019-02-01 | 2019-04-19 | 苏州爱普电器有限公司 | Cleaning substructure for vacuum cleaner |
| CN110393473A (en) * | 2019-07-24 | 2019-11-01 | 宁波海际电器有限公司 | A kind of Wet-dry hand held cleaner |
| WO2020011238A1 (en) * | 2018-07-11 | 2020-01-16 | 苏州宝时得电动工具有限公司 | Dust collecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103212493A (en) * | 2013-01-19 | 2013-07-24 | 江苏森泽环保工程科技有限公司 | Embedded dual-stage cyclone dust remover |
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| CN107981778A (en) * | 2018-01-16 | 2018-05-04 | 小狗电器互联网科技（北京）股份有限公司 | Tub type dust catcher and its filtering air passage |
| CN107997676A (en) * | 2018-01-16 | 2018-05-08 | 小狗电器互联网科技（北京）股份有限公司 | Tub type dust catcher and its bung component |
| CN108095637A (en) * | 2018-01-16 | 2018-06-01 | 小狗电器互联网科技（北京）股份有限公司 | Tub type dust catcher and its cyclone separator |
| CN108095637B (en) * | 2018-01-16 | 2024-02-27 | 小狗电器互联网科技（北京）股份有限公司 | Barrel type dust collector and cyclone separator thereof |
| CN107981778B (en) * | 2018-01-16 | 2023-09-12 | 小狗电器互联网科技（北京）股份有限公司 | Barrel type dust collector and filtering air duct thereof |
| CN107997676B (en) * | 2018-01-16 | 2023-06-16 | 小狗电器互联网科技（北京）股份有限公司 | Barrel type dust collector and barrel cover assembly thereof |
| WO2020011238A1 (en) * | 2018-07-11 | 2020-01-16 | 苏州宝时得电动工具有限公司 | Dust collecting device |
| CN108720726A (en) * | 2018-07-27 | 2018-11-02 | 珠海格力电器股份有限公司 | A kind of Wet-dry type cyclonic separation component and dust catcher |
| CN108720726B (en) * | 2018-07-27 | 2024-05-10 | 珠海格力电器股份有限公司 | Dry-wet dual-purpose cyclone separation assembly and dust collector |
| CN109645886A (en) * | 2019-02-01 | 2019-04-19 | 苏州爱普电器有限公司 | Cleaning substructure for vacuum cleaner |
| CN109528074A (en) * | 2019-02-01 | 2019-03-29 | 苏州爱普电器有限公司 | Surface cleaning pedestal |
| CN109528074B (en) * | 2019-02-01 | 2023-10-20 | 苏州爱普电器有限公司 | Surface cleaning base |
| CN109528075B (en) * | 2019-02-01 | 2023-10-20 | 苏州爱普电器有限公司 | Wet surface cleaning base and vacuum cleaner |
| CN109645886B (en) * | 2019-02-01 | 2023-10-20 | 苏州爱普电器有限公司 | Cleaning base for vacuum cleaner |
| CN109528075A (en) * | 2019-02-01 | 2019-03-29 | 苏州爱普电器有限公司 | Wet type surface cleaning pedestal and vacuum cleaner |
| CN110393473A (en) * | 2019-07-24 | 2019-11-01 | 宁波海际电器有限公司 | A kind of Wet-dry hand held cleaner |
| CN110393473B (en) * | 2019-07-24 | 2024-05-03 | 宁波海际电器有限公司 | Dry-wet hand-held dust collector |
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| CN102204798B (en) | 2013-06-05 |
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