CN201182569Y

CN201182569Y - Vacuum cleaner dust cup with three times of separation

Info

Publication number: CN201182569Y
Application number: CNU2008200033753U
Authority: CN
Inventors: 郎维国
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-01
Filing date: 2008-02-01
Publication date: 2009-01-21
Anticipated expiration: 2018-02-01

Abstract

The utility model discloses a dust cup for a vacuum cleaner; the dust cup has a three-time separation function and comprises a shell body, an air inlet, an air outlet and a three-time separator; the three-time separator comprises a tube body and a secondary-separation air outlet short tube; a bracket is arranged above the secondary-separation air outlet short tube; the bracket is provided with a plurality of short tubes which are annularly and evenly distributed and extended downward; an inner tube and an outer tube which are coaxial and connected at the bottom parts in a sealed way are connected to the bottom part of the bracket; the inner tube is connected with the hem of the secondary-separation air outlet short tube; a tangential air inlet is arranged at the position where the inner tube is close to each short tube; each short tube is provided with a coaxial straight tube body; the bottom part of the straight tube body is connected with a conical tube body which is larger at the top and smaller at the bottom. The three separating cyclone bodies of the utility model are gradually smaller in diameter so as to separate out gradually smaller dust; the separation effect of a third-separation device is obviously improved. The product has novel structure, rational layout and good separating effect, which is conducive to the improvement of dust cleaning effect.

Description

A kind of dust cup of dust collector of three separation

Technical field

The utility model relates to a kind of dust catcher manufacturing technology field, the cup device for dust that the air that especially refers to centrifugal aspirator and dust separate for three times.

Background technology

The dust catcher of selling on the market adopts centrifugal cyclone principle separation of air and dust more, in order to improve the effect of separation, has occurred a kind of dust cup of dust collector of three separation in the industry.For example applicant is 200610049699.6 application for a patent for invention technology that are called " cyclone type dust cup of vacuum cleaner " in the application number of submission on March 6th, 2006, disclose the dust cup of dust collector of two tool tri-separation function, single that it is more early stage or secondary separation effect improve a lot.But, the dust cup of dust collector product that this patent specification accompanying drawing 1 to Fig. 3 disclosed that money separates for three times, after making the full pattern test, the applicant finds but still has a small amount of thin dirt without separation, the filter that is adsorbed on dust catcher along with air stream gathers, the circulation of having blocked air in the course of time, pick-up performance descends.So the applicant is through dismantling the dirt cup, finding when toppling over dust that this product is stayed three thin dirt in the separation dust collector chamber seldom, as seen its three separating effects are obvious inadequately, and a small amount of thin dirt enters the electric fan inlet without just separating by dirt cup air outlet.For this reason, applicant will be separated the dust cup of dust collector product to original three times and is further improved, to provide a kind of three separating effects better dust cup of dust collector product, reduce thin dirt to take out of along with air stream as far as possible and accumulate in the filter of electric fan inlet, improve pick-up performance by dirt cup air outlet.

Summary of the invention

The technical problems to be solved in the utility model is to overcome the dust cup of dust collector that has tri-separation function in the prior art, it is unconspicuous defective of separating effect and deficiency for the third time, provide a kind of three separating effects better dust cup of dust collector product to society, reduce thin dirt to take out of along with air stream as far as possible and accumulate in the filter of electric fan inlet by dirt cup air outlet, effectively improve pick-up performance, satisfy horizontal or the vertical type dust collector Products Development with make required.

The technical scheme that its technical problem that solves the utility model adopts is: the dust cup of dust collector of three separation comprises housing, air inlet, air outlet and three separators; Described three separators comprise the upright cylindrical shell of being located in the housing, and described cylindrical shell upper end circumferential wall is provided with by the multi-disc helical blade rotates the uniform secondary separation air inlet that forms by screw-like, and its horizontal level is lower than described dirt cup air inlet; Described cylinder lumen top is provided with coaxial secondary separation air-out short tube; Described secondary separation air-out short tube inner chamber is provided with a conveyor screw, and upper port is provided with flanging and is connected with secondary separation air inlet top closure; Described cylinder body outer wall is provided with the umbrella cage, inwall is connected with the cone of both ends open, reducing downwards, described secondary separation air-out short tube top is provided with the center sealing, is connected in the support of inner walls, and described support is provided with that ring-type is uniform, a plurality of short tubes of downward extension are isolated the air port as three times; Described frame bottom is connected with a pair of coaxial interior pipe and outer tube, and described interior pipe and outer tube bottom are tightly connected, and described interior pipe is positioned at the inboard of short tube center loop wire, and outer tube is positioned at the outside of short tube center loop wire; Pipe is connected with the flanging of described secondary separation air-out short tube in described; Pipe is provided with tangent air inlet near each described short tube position in described, is three times and separates air inlet; Described every short tube is provided with coaxial straight barrel, and the top of described straight barrel and described frame bottom are tightly connected, and the bottom of described straight barrel is connected with up big and down small conical shell; The lower limb position of described three separation air inlets is higher than described short tube lower edge position.

The portion that is tightly connected position in described bottom pipe and the outer tube all is lower than the lower limb position of described secondary separation air inlet.

The portion that is tightly connected in described bottom pipe and the outer tube is along described tubular axis inclination and extend to housing bottom, and the cross section of described extension is curved and tapered circular.

Described housing bottom is movably hinged with the upset bottom; The opposite side of described upset bottom is provided with latch, is connected with the Elastic buckle of being located at described hull outside lower end.

The dust cup of dust collector product that the utility model separates for three times, the structure of separator for the third time that prior art is separated dust cup of dust collector for three times improves, the air of slightly a small amount of thin dirt after secondary separation, enter conical shell through the tangent air inlet guiding, air-flow rotates rapidly because of tangential effect produces minor radius along cylinder inboard wall, three separation are carried out in rotation rapidly, and the thin dirt after the separation falls into the bottom of the inside and outside cylindrical shell of the 3rd separator.During daily use, dust cup of dust collector generally is to tilt to place on horizontal machine, as long as the 3rd dust-collecting cavity that the dirt cup is inside, the bottom extension of outer cylinder body constitutes tilts on one side, can automatically fall into again in the 3rd separator dust-collecting cavity that extends to dirt cup bottom so fall into the thin dirt of inside and outside cylindrical shell bottom, and vertical machine tilts in use.Since after separating for the first time second with the thin dirt that separates for the third time compare less, so the shared space of second and third time dust-collecting cavity of the present utility model is corresponding less.Adopt three separation cyclone body diameters of the utility model patented technology time by time little, help to isolate more tiny time by time dust.Compare than prior art, the utility model product structure novelty, rationally distributed, good separating effect, be matched in horizontal or the vertical type dust collector product after, help improving pick-up performance.

Description of drawings

Fig. 1 is the utility model product cross-sectional view.

Fig. 2 is that the A-A of Fig. 1 is to cutaway view.

Fig. 3 is that the B-B of Fig. 1 is to cutaway view.

Fig. 4 is the utility model secondary separation modular construction schematic diagram.

Fig. 5 is that the C-C of Fig. 1 is to cutaway view.

Fig. 6 is the utility model conveyor screw modular construction schematic diagram.

The specific embodiment

Extremely shown in Figure 6 as Fig. 1, the dust cup of dust collector of the tool tri-separation function that once is called " cyclone type dust cup of vacuum cleaner " with the structure and 200610049699.6 of the application numbers of secondary separation device of the utility model dust cup of dust collector product roughly the same, it comprises housing 1, air inlet 2, air outlet 3 and three separators; Described dirt cup air inlet 2 is tangent with the housing perisporium, and described three separators are located at the housing inner chamber; Described three separators comprise is located at the upright cylindrical shell 4 that housing lumen centers, lower end are connected in housing bottom, described cylindrical shell upper end circumferential wall is provided with by multi-disc helical blade 7 rotates the uniform secondary separation air inlet 8 that forms by screw-like, and its horizontal level is lower than described dirt cup air inlet 2; Described cylinder lumen top is provided with coaxial secondary separation air-out short tube 5; Described secondary separation air-out short tube 5 inner chambers are provided with conveyor screw 6, and upper port is provided with flanging 18 and is connected with secondary separation air inlet 8 top closure; Described cylinder body outer wall is provided with umbrella cage 9, inwall is connected with the cone 10 of both ends open, reducing downwards, described secondary separation air-out short tube 5 tops are provided with the center sealing, are connected in the support 12 of housing 1 inwall, described support 12 is provided with that ring-type is uniform, a plurality of short tubes 15 of downward extension, isolates the air port as three times; Described support 12 bottoms are connected with a pair of coaxial interior pipe 13 and outer tube 14, and described interior pipe 13 and outer tube 14 bottoms are tightly connected, and described interior pipe 13 is positioned at the inboard of short tube 15 center loop wires, and outer tube 14 is positioned at the outside of short tube 15 center loop wires; Pipe 13 is connected with the flanging 18 of described secondary separation air-out short tube 5 in described; Pipe 13 is provided with tangent air inlet near each described short tube 15 position in described, is three times and separates air inlet 26; Described every short tube 15 is provided with coaxial straight barrel 16, and the top of described straight barrel 16 and described support 12 bottoms are tightly connected, and the bottom of described straight barrel 16 is connected with up big and down small conical shell 27.Directly discharged by short tube 15 after described three separation air inlets 26 enter for the air of effectively avoiding slightly a small amount of thin dirt, the lower limb position of described three separation air inlets (26) must be higher than the lower edge position of described short tube (15).The pipe 13 and the portion that the is tightly connected position of outer tube 14 bottoms in described all are lower than the lower limb position of described secondary separation air inlet 8.For ease of disposable topple over separate collected dust for three times, described in the portion that is tightly connected of pipe 13 and outer tube 14 bottoms tilt and extend to housing bottom, the cross section of described extension curved and tapered circular 19 along described cylindrical shell 4 axis.Described housing bottom is movably hinged with upset bottom 20; The opposite side of described upset bottom 20 is provided with latch 23, is connected with the Elastic buckle 25 of being located at lower end, described housing 1 outside.

Continue below to narrate operation principle of the present utility model in conjunction with Fig. 1 to Fig. 5.The air channel of electric fan air inlet is connected with dirt cup air outlet 3, starting switch, after the electric fan work, dirt cup inner chamber produces negative pressure, and the air that has dust enters the housing inner chamber by dirt cup air inlet 2.Since dirt cup air inlet 2 axis with housing perisporium periphery is tangent thus the generation swirling eddy.Owing to being lower than dirt cup air inlet 2, described separator air inlet 8 positions have certain drop again, make and produce certain draught head between two air ports, therefore after the air that has a dust enters the dirt cup, promptly produce the quick whirlwind of downward spiral, dust is subjected to centrifugal action to be thrown toward perisporium, and rotates the first separation dust-collecting cavity 21 that falls between dirt cup housing 1 and cylindrical shell 4 along wall.Because the partition effect of cage 9, the dust that falls into first separation dust-collecting cavity 21 feel bad the top spiral air flow influence and roll again, isolate most dust this moment.Have the air rising of a small amount of thin dirt and enter second separator air inlet 8 by the gap between pipe 13 lower ends and cylindrical shell 4 upper ends in described; In this stage, owing to gas channel reduce air-flow velocity is increased suddenly, producing rapidly through multi-disc helical blade 7 guiding, spiral air flow carries out secondary separation, when this part air enter described cylindrical shell 4 along the downward spiral of described cone 10 inwalls to described cone 10 lower port, thin dirt is got rid of to described cylindrical shell 4 inwalls and tenesmus by centrifugal action, falls into the secondary separation dust-collecting cavity 22 of described cylindrical shell 4 inner chamber lower curtates.Air after the separation rises on cone 10 centers, enter from described secondary separation air-out short tube 5 lower end inner chambers, and through conveyor screw 6 guiding and produce spiral air flow once more, enter the air chamber 17 that described interior pipe 13 and support 12 bottom surfaces surround, this part also the air of slightly a small amount of thin dirt separate air inlets 26 from described three times and enter straight barrel 16, conical shell 27, air-flow is because of tangentially acting on along straight barrel 16, conical shell 27 inwalls produce minor radius and rotate rapidly, three separation are carried out in rotation rapidly, and the thin dirt after the separation falls into 11 bottoms, three separation chambers between the described inner and outer pipes.During daily use, dust cup of dust collector generally is to tilt to place on horizontal machine, as long as three separation dust collector chambeies 24 that the dirt cup is inside, the bottom extension of outer cylinder body constitutes tilt on one side, can automatically fall into again in the 3rd separator dust-collecting cavity 24 that extends to dirt cup bottom so fall into the thin dirt of inside and outside cylindrical shell bottom, and vertical machine tilts in use.Since after separating for the first time second with the thin dirt that separates for the third time compare less, so the shared space of second and third time dust-collecting cavity of the present utility model is corresponding less.Adopt three separation cyclone body diameters of the utility model patented technology time by time little, help to isolate more tiny time by time dust, the separating effect of separator significantly improves for the third time.Cleaned air after separating for three times imports dirt cup air outlets 3 through a plurality of short tubes 15, discharges dust catcher after entering electric fan.

Claims

1, a kind of dust cup of dust collector of three separation comprises housing (1), air inlet (2), air outlet (3) and three separators; Described three separators comprise the upright cylindrical shell of being located in the housing (4), and described cylindrical shell upper end circumferential wall is provided with by multi-disc helical blade (7) rotates the uniform secondary separation air inlet (8) that forms by screw-like, and its horizontal level is lower than described dirt cup air inlet (2); Described cylinder lumen top is provided with coaxial secondary separation air-out short tube (5); Described secondary separation air-out short tube (5) inner chamber is provided with conveyor screw (6), and upper port is provided with flanging (18) and is connected with secondary separation air inlet (8) top closure; Described cylinder body outer wall is provided with umbrella cage (9), inwall is connected with the cone (10) of both ends open, reducing downwards, it is characterized in that: described secondary separation air-out short tube (5) top is provided with the center sealing, is connected in the support (12) of housing (1) inwall, and described support (12) is provided with that ring-type is uniform, a plurality of short tubes of downward extension (15) are isolated the air port as three times; Described support (12) bottom is connected with a pair of coaxial interior pipe (13) and outer tube (14), pipe (13) and outer tube (14) bottom is tightly connected in described, pipe (13) is positioned at the inboard of short tube (15) center loop wire in described, and outer tube (14) is positioned at the outside of short tube (15) center loop wire; Pipe (13) is connected with the flanging (18) of described secondary separation air-out short tube (5) in described; Pipe (13) is provided with tangent air inlet near each described short tube (15) position in described, is three times and separates air inlet (26); Described every short tube (15) is provided with coaxial straight barrel (16), and the top of described straight barrel (16) and described support (12) bottom are tightly connected, and the bottom of described straight barrel (16) is connected with up big and down small conical shell (27); The lower limb position of described three separation air inlets (26) is higher than described short tube (15) lower edge position.

2, the dust cup of dust collector of three separation as claimed in claim 1 is characterized in that: manage the portion that the is tightly connected position of (13) and outer tube (14) bottom in described, all be lower than the lower limb position of described secondary separation air inlet (8).

3, the dust cup of dust collector of three separation as claimed in claim 2, it is characterized in that: the portion that is tightly connected in described bottom pipe (13) and the outer tube (14) is along the inclination of described cylindrical shell (4) axis and extend to housing bottom, the cross section of described extension curved and tapered circular (19).

4, as the dust cup of dust collector of claim 1,2 or 3 described three separation, it is characterized in that: described housing bottom is movably hinged with upset bottom (20); The opposite side of described upset bottom (20) is provided with latch (23), is connected with the Elastic buckle (25) of being located at lower end, described housing (1) outside.