CN102599859A - Dust cup of cyclone centrifugal filtration type dust collector - Google Patents
Dust cup of cyclone centrifugal filtration type dust collector Download PDFInfo
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- CN102599859A CN102599859A CN2012100611237A CN201210061123A CN102599859A CN 102599859 A CN102599859 A CN 102599859A CN 2012100611237 A CN2012100611237 A CN 2012100611237A CN 201210061123 A CN201210061123 A CN 201210061123A CN 102599859 A CN102599859 A CN 102599859A
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Abstract
A dust cup of a cyclone centrifugal filtration type dust collector comprises a dust cup body and a top cover and a bottom cover of the dust cup body. An air inlet which is tangential to the peripheral wall of the cup body is arranged on a side wall on the upper portion of the cup body, an air outlet is arranged on the top cover, a big-end-up conical retainer ring is disposed on the inner wall of the cup body, a plurality of screen holes are arranged on the side walls of the retainer ring, an isolating sleeve is sleeved on the lower side of the retainer ring, the upper end of the isolating sleeve is directly or indirectly fixed with the retainer ring, the lower end of the isolating sleeve is hermetically abutted to the bottom cover, the inner wall of the isolating sleeve and the bottom cover form a coarse dust cavity, and the outer wall of the isolating sleeve, the inner wall of the cup body and the bottom cover form a fine dust cavity. The screen holes are arranged on the retainer ring, so that coarse dust and fine dust are stored separately, problems that the fine dust dropping to the bottom of the dust cup rotates to the center of the dust cup along airflow to fly up, and a small quantity of the fine dust is stopped by the retainer ring in midway to fly up directly can be avoided, the service life of a filter is prolonged, and the dust cup can keep the best dust collection efficiency for a long time.
Description
Technical field
The present invention relates to be used to separate and deposit in a kind of dust catcher the accessory of dust, a kind of specifically method through rotating centrifugal is separated dust from air, and can prevent the dust cup of dust collector that thin dirt raises up.
Background technology
As far back as on May 18th, 1988; " ZL87201282 " " whirlwind centrifugal aspirator that the patent No. is " just disclose at the dust cup of dust collector inwall ring washer has been set, to stop the dust that in the dust suction process, gets at the bottom of the dirt cup to raise up and the filter that results in blockage descends the dust catcher dust collection efficiency with air-flow.After this dirt cup of domestic and international many Cyclonic dust collectors has also all adopted this version, different only be ring washer shape and width and with.A ring washer is set in the suitable position of Cyclonic dust collector dirt cup inwall can plays the effect that the dust prevention gets into the dirt cup in the dust suction process at the bottom of raises up with air-flow to a certain extent; This is because under the drive of action of centrifugal force and swirling eddy; The shallow bid swirling eddy always getting into thickness dust at the bottom of the dirt cup along dirt cup inwall play up and down, is easy to draw also blocking filter to thin dust wherein.But this structure also has drawback clearly, be exactly it mostly can only stop the thickness dust that raises up along the dirt wall of cup, and difficult the prevention rotates to the parts of fine dust that dirt cup center raises up with air-flow.Though people the dirt cup be centered close to ring washer above all be provided with reflector, can only seldom stop the thin dust that this part raises up, most thin dusts still raise up along with air-flow and have blocked filter.Ring washer can play the effect that stops the part dust to raise up on the other hand, but also affects the bottom that thin dust drops to the dirt cup to a certain extent, and just has a spot of thin dust to draw and blocking filter along with air-flow halfway.After dust catcher work a period of time, its dust collection efficiency just descends very soon like this.By our company's application and disclosed on June 9th, 2010 in Patent Office, application number is " cyclone separation dust cup of dust catcher " of " 200910246032.9 ", and it comprises housing and is installed on loam cake and the bottom on the housing; Sidewall offers the air inlet tangent with the housing perisporium above housing; Set out the air port at loam cake or bottom, the filter that support and sidewall offer air inlet is installed in the described housing, described filter communicates with air outlet; The housing inner chamber of filter below is an accumulation area; Be provided with the plate-shaped separators of band central through hole in the described housing, this plate-shaped separators is positioned at the filter below, and the accumulation area in the housing is divided into epicoele and cavity of resorption; The outer edge of plate-shaped separators and inner walls sealing are provided with the annulus back-up ring in the lower edge of plate-shaped separators central through hole.Though stoping the thin dirt that falls at the bottom of the dirt cup to rotate to dirt cup center with air-flow, this structure raises up; But can't avoid a spot of thin dust midway along with air-flow raises up; Though also can these thin dusts be removed through filter or second separator; But the thin easy blocking filter of dust, thereby make the dirt cup can't keep best pick-up performance for a long time.There is the dead angle of being inconvenient to clear up in the bottom of this dirt cup in addition.
Summary of the invention
The objective of the invention is to defective and deficiency to above-mentioned prior art, for dust catcher provides a kind of simple in structure, good separating effect, makes the dirt cup can keep the dirt cup of best dust collection efficiency for a long time.
For realizing that the technical scheme that above-mentioned purpose the present invention is taked is: this whirlwind centrifugal filtration formula dust cup of dust collector, it comprises the cup of dirt cup and loam cake, the bottom of cup, sidewall offers the air inlet tangent with the cup perisporium above cup; Set out the air port last covering; Between cup and loam cake, be provided with dividing plate, the center of dividing plate is provided with to the breather pipe that extends below, and said cup inwall is provided with the back-up ring of up big and down small taper; Described back-up ring sidewall offers a plurality of sieve screen apertures; Below back-up ring, be set with distance sleeve, the upper end of this distance sleeve and back-up ring are directly or indirectly fixing, and the lower end of distance sleeve and bottom sealing offset; Distance sleeve inwall and bottom are formed thick dirt chamber, and the inwall of distance sleeve outer wall, cup and bottom are formed thin dirt chamber.
Described sieve screen apertures is elongated, rectangle, long waist shaped or ellipse.
The major axis of described sieve screen apertures is a level.
The major axis of described sieve screen apertures and horizontal plane tilt, and its incline direction is consistent with the direction of rotation of the air-flow that gets into from air inlet.
Distance between the sieve screen apertures of described back-up ring upper edge and the top is 1/10 to 1/3 of a back-up ring sidewall length.
Described back-up ring lower edge and the distance between the sieve screen apertures of below be 1/10 to 1/3 of back-up ring sidewall length.
The below of described back-up ring is set with the umbrella shape back-up ring, and the inwall of the upper end of distance sleeve and umbrella shape back-up ring fixes.
The bottom of said dividing plate is equipped with filter, and this filter bits is provided with reflector in the outside of breather pipe in the bottom of filter.
The bottom of said dividing plate is equipped with second separator; This second separator is positioned at the outside of breather pipe; The bottom of second separator is provided with reflector; Be set with the secondary sleeve on the dust-exhausting port of second separator below, secondary sleeve below is passed back-up ring and is offseted with the bottom sealing, and secondary sleeve lining and bottom are formed secondary dirt chamber.
The present invention is through offering sieve screen apertures on back-up ring; Thick dirt is separated with thin dirt to be deposited; Can not only stop the thin dirt that falls at the bottom of the dirt cup to rotate to dirt cup center and raise up, can also avoid a spot of thin dust raised up by stopping directly of back-up ring midway, prolong the service life of filter with air-flow; Make the dirt cup can keep best dust collection efficiency for a long time, have advantage simple in structure, good separating effect.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the invention.
Fig. 2 is the structural representation of the sieve screen apertures on the back-up ring of the present invention.
Structural representation when Fig. 3 opens for bottom of the present invention.
Fig. 4 is the structural representation of second embodiment of the invention.
Fig. 5 is the structural representation of third embodiment of the invention.
The specific embodiment
As shown in Figure 1; The present invention is a kind of whirlwind centrifugal filtration formula dust cup of dust collector; Its first embodiment comprises the cup 2 of dirt cup and loam cake 12, the bottom 6 of cup 2; Loam cake 12 and cup 2 fastens or with being threaded, a side of bottom 6 and cup 2 bottom-hinged, and the opposite side of bottom 6 removably connects through the mode of elastic lock and the bottom of cup 2.Sidewall offers the air inlet 1 tangent with cup 2 perisporiums above cup 2, on loam cake 12, sets out air port 11, and dust and air suck through air inlet 1, and the whirlwind rotating centrifugal comes out dust separation in cup 2, and clean air is discharged by air outlet 11.Between cup 2 and loam cake 12, be provided with dividing plate 15; The center of dividing plate 15 is provided with to the breather pipe that extends below 14; In the bottom of dividing plate 15 filter 10 is installed; This filter 10 is positioned at the outside of breather pipe 14, and filter 10 can prevent that dust from getting into, and guarantees not contain dust from the air that air outlet 11 is discharged.Be provided with reflector 9 in the bottom of filter 10, the dust that can as far as possible reduce dirt cup bottom raises up, in case the contacted filter 10 of too much dust is arranged, has dust unavoidably and leaks, and also causes filter 10 to block easily, influences pick-up performance.
Said cup 2 inwalls are provided with the back-up ring 3 of up big and down small taper, the span of back-up ring 3 and the angle of cup 2 sidewalls be 10 degree to 80 degree, the upper edge of this back-up ring 3 and cup 2 inwalls fix, and offer a plurality of sieve screen apertures 3.1 at back-up ring 3 sidewalls.Below back-up ring 3, be set with distance sleeve 4; The upper end of this distance sleeve 4 and back-up ring 3 are directly fixing; The lower end of distance sleeve 4 and bottom 6 sealings offset, and distance sleeve 4 inwalls and bottom 6 are formed thick dirt chamber 7, and the inwall of distance sleeve 4 outer walls, cup 2 and bottom 6 are formed thin dirt chamber 5.By air inlet 1 suction and after the cyclonic air flow that cup 2 forms is running into stopping of back-up ring 3; Cinder dirt and parts of fine dust continue the inner ring that rotation falls into distance sleeve 4; Arrive the bottom in thick dirt chamber 7; And most of thin dirt falls in the thin dirt chamber 5 through sieve screen apertures 3.1 under action of centrifugal force at an easy rate, falls into thin dusts in the thin dirt chamber 5 and receives stopping of distance sleeve 5 and be difficult to flow to filter 10 with the drive of swirling eddy.
As shown in Figure 2; Sieve screen apertures on back-up ring 3 is 3.1 elongated, rectangle, long waist shaped or ellipse; The major axis of sieve screen apertures 3.1 can be a level, also can tilt with horizontal plane, and its incline direction is consistent with the direction of rotation of the air-flow that gets into from air inlet; So more help thin dust in a large number through sieve screen apertures 3.1, prevent that thin dust is raised up by stopping directly of back-up ring 3.
Leave certain distance between the sieve screen apertures 3.1 of described back-up ring 3 upper edges and the top, its distance is 1/10 to 1/3 of back-up ring 3 sidewall length, can stop that like this shallow bid swirling eddy goes out thin dust lane in the thin dirt chamber 5.The lower edge of back-up ring 3 and also leave certain distance between the sieve screen apertures 3.1 of below, its distance be 1/10 to 1/3 of back-up ring 3 sidewall length, can stop like this in the thick dirt chamber 7 swirling eddies on a small quantity carefully dust lane go out.
As shown in Figure 3, when bottom 6 was opened, thick dirt chamber 7 can together be poured out with the dust in the thin dirt chamber 5, and does not have the dead angle in the bottom 6, and it is very convenient to clear up.
As shown in Figure 4, the second embodiment of the present invention below the back-up ring 3 of first embodiment suit umbrella shape back-up ring 8, the inwall of the upper end of distance sleeve 4 and umbrella shape back-up ring 8 fixes, the same sealing with bottom 6 in the lower end of distance sleeve 4 offsets.The effect of umbrella shape ring washer 4 is to make the thin dust that gets into thin dirt chamber be difficult for making the separating effect of dirt cup better along with swirling eddy is taken thin dirt chamber 5 out of through sieve screen apertures 3.1.
As shown in Figure 5; The third embodiment of the present invention changes filter 10 into second separator 13 on the basis of first embodiment or second embodiment, this second separator 13 is installed on the below of dividing plate; Be positioned at the outside of breather pipe 14; Be set with secondary sleeve 16 on the dust-exhausting port of second separator 13 belows, secondary sleeve 16 belows are passed back-up ring 3 and are offseted with bottom 6 sealings, and secondary sleeve 16 inwalls and bottom 6 are formed secondary dirt chamber 17.Air after the first separation gets into the same whirlwind rotation in second separator 13 backs, carries out secondary separation, and separated dust is entered in the secondary dirt chamber 17 by dust-exhausting port, and pure air is discharged by air outlet 11, and after secondary separation, separating effect further improves.The bottom of second separator 13 is provided with reflector 9 equally, and the dust that as far as possible reduces cup 2 bottoms raises up.When toppling over dust, as long as bottom 6 is opened, just can topple over the dust in thick dirt chamber 7, thin dirt chamber 5 and the secondary dirt chamber 17 simultaneously, very convenient.
Claims (9)
1. whirlwind centrifugal filtration formula dust cup of dust collector; It comprises the cup (2) of dirt cup and loam cake (12), the bottom (6) of cup (2); Top sidewall at cup (2) offers and the tangent air inlet (1) of cup (2) perisporium; On loam cake (12), set out air port (11); Between cup (2) and loam cake (12), be provided with dividing plate (15), the center of dividing plate (15) is provided with to the breather pipe that extends below (14), and said cup (2) inwall is provided with the back-up ring (3) of up big and down small taper; It is characterized in that described back-up ring (3) sidewall offers a plurality of sieve screen apertures (3.1); Be set with distance sleeve (4) in the below of back-up ring (3), upper end of this distance sleeve (4) and back-up ring (3) are directly or indirectly fixing, and the lower end of distance sleeve (4) and bottom (6) sealing offset; Distance sleeve (4) inwall and bottom (6) are formed thick dirt chamber (7), and the inwall of distance sleeve (4) outer wall, cup (5) and bottom (6) are formed thin dirt chamber (5).
2. whirlwind centrifugal filtration formula dust cup of dust collector according to claim 1 is characterized in that described sieve screen apertures (3.1) is elongated, rectangle, long waist shaped or ellipse.
3. whirlwind centrifugal filtration formula dust cup of dust collector according to claim 2, the major axis that it is characterized in that described sieve screen apertures (3.1) are level.
4. whirlwind centrifugal filtration formula dust cup of dust collector according to claim 2 is characterized in that the major axis of described sieve screen apertures (3.1) and horizontal plane tilt, and its incline direction is consistent with the direction of rotation of the air-flow that gets into from air inlet (1).
5. whirlwind centrifugal filtration formula dust cup of dust collector according to claim 1 is characterized in that the distance between the sieve screen apertures (3.1) of described back-up ring (3) upper edge and the top is 1/10 to 1/3 of back-up ring (a 3) sidewall length.
6. whirlwind centrifugal filtration formula dust cup of dust collector according to claim 1, it is characterized in that described back-up ring (3) lower edge and the distance between the sieve screen apertures (3.1) of below be 1/10 to 1/3 of back-up ring (3) sidewall length.
7. according to the arbitrary described whirlwind centrifugal filtration formula dust cup of dust collector of claim 1-6, it is characterized in that the below of described back-up ring (3) is set with umbrella shape back-up ring (8), the inwall of the upper end of distance sleeve (4) and umbrella shape back-up ring (8) fixes.
8. whirlwind centrifugal filtration formula dust cup of dust collector according to claim 7; The bottom that it is characterized in that said dividing plate (15) is equipped with filter (10); This filter (10) is positioned at the outside of breather pipe (14), is provided with reflector (9) in the bottom of filter (10).
9. whirlwind centrifugal filtration formula dust cup of dust collector according to claim 7; The bottom that it is characterized in that said dividing plate (15) is equipped with second separator (13); This second separator (13) is positioned at the outside of breather pipe (14); The bottom of second separator (13) is provided with reflector (9); Be set with secondary sleeve (16) on the dust-exhausting port of second separator (13) below, secondary sleeve (16) below pass back-up ring (3) and with bottom 6) sealing offsets secondary sleeve (16) inwall and bottom composition secondary dirt chamber (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210061123.7A CN102599859B (en) | 2012-03-09 | 2012-03-09 | Dust cup of cyclone centrifugal filtration type dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210061123.7A CN102599859B (en) | 2012-03-09 | 2012-03-09 | Dust cup of cyclone centrifugal filtration type dust collector |
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| CN102599859A true CN102599859A (en) | 2012-07-25 |
| CN102599859B CN102599859B (en) | 2014-08-20 |
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| CN201210061123.7A Active CN102599859B (en) | 2012-03-09 | 2012-03-09 | Dust cup of cyclone centrifugal filtration type dust collector |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773215A (en) * | 2012-08-13 | 2012-11-14 | 宜兴丹森科技有限公司 | Device for separating super absorbent resin from wood pulp cellulose in disposable absorption core body |
| CN107440610A (en) * | 2017-08-11 | 2017-12-08 | 苏州海歌电器科技有限公司 | Multi-stage cyclone dust collecting device and dust catcher |
| CN108742300A (en) * | 2013-06-05 | 2018-11-06 | 格雷技术有限公司 | Hand-held vacuum cleaner |
| CN108903803A (en) * | 2018-08-13 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of dust storage chamber and dust catcher |
| CN108903804A (en) * | 2018-08-27 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of dirt cup and dust collection equipment |
| CN109171556A (en) * | 2018-08-27 | 2019-01-11 | 珠海格力电器股份有限公司 | A kind of dirt cup and dust collection equipment |
| CN109260881A (en) * | 2018-11-27 | 2019-01-25 | 湖南顶立科技有限公司 | A kind of filter plant and vacuum pump |
| CN110051277A (en) * | 2018-12-20 | 2019-07-26 | 杰之深(苏州)科技有限公司 | A kind of dust cup of dust collector and dust catcher with second level cyclone separating structure |
| CN110051278A (en) * | 2018-12-20 | 2019-07-26 | 杰之深(苏州)科技有限公司 | A kind of dust cup of dust collector and dust catcher with more cone cyclone separating structures |
| CN110573048A (en) * | 2017-06-23 | 2019-12-13 | 东芝生活电器株式会社 | Electric dust suction device |
| CN112021997A (en) * | 2020-09-28 | 2020-12-04 | 宁波哲恺电器有限公司 | Dust cup cleaning device |
| CN113171029A (en) * | 2020-01-24 | 2021-07-27 | 德国福维克控股公司 | Suction cleaning device with screen element |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102773215A (en) * | 2012-08-13 | 2012-11-14 | 宜兴丹森科技有限公司 | Device for separating super absorbent resin from wood pulp cellulose in disposable absorption core body |
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| CN110573048A (en) * | 2017-06-23 | 2019-12-13 | 东芝生活电器株式会社 | Electric dust suction device |
| CN110573048B (en) * | 2017-06-23 | 2021-12-07 | 东芝生活电器株式会社 | Electric dust suction device |
| CN107440610A (en) * | 2017-08-11 | 2017-12-08 | 苏州海歌电器科技有限公司 | Multi-stage cyclone dust collecting device and dust catcher |
| CN108903803A (en) * | 2018-08-13 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of dust storage chamber and dust catcher |
| CN109171556A (en) * | 2018-08-27 | 2019-01-11 | 珠海格力电器股份有限公司 | A kind of dirt cup and dust collection equipment |
| CN108903804A (en) * | 2018-08-27 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of dirt cup and dust collection equipment |
| CN109260881A (en) * | 2018-11-27 | 2019-01-25 | 湖南顶立科技有限公司 | A kind of filter plant and vacuum pump |
| CN110051277A (en) * | 2018-12-20 | 2019-07-26 | 杰之深(苏州)科技有限公司 | A kind of dust cup of dust collector and dust catcher with second level cyclone separating structure |
| CN110051278A (en) * | 2018-12-20 | 2019-07-26 | 杰之深(苏州)科技有限公司 | A kind of dust cup of dust collector and dust catcher with more cone cyclone separating structures |
| CN113171029A (en) * | 2020-01-24 | 2021-07-27 | 德国福维克控股公司 | Suction cleaning device with screen element |
| CN112021997A (en) * | 2020-09-28 | 2020-12-04 | 宁波哲恺电器有限公司 | Dust cup cleaning device |
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Address after: 315400 Chang'an Road 303, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Fujia Industrial Co., Ltd. Address before: 315400 No. 311 Changyuan Road, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Ningbo Fujia Industrial Co., Ltd. |