CN203207967U

CN203207967U - Cyclone separation type dust cup

Info

Publication number: CN203207967U
Application number: CN 201320202060
Authority: CN
Inventors: 胡海荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-19
Filing date: 2013-04-19
Publication date: 2013-09-25
Anticipated expiration: 2023-04-19

Abstract

The utility model discloses a cyclone separation type dust cup which comprises a cup body, a dust cup lid, a primary separator and a secondary separator, wherein a primary tangential air inlet is formed in the side wall of the cup body; the dust cup lid is matched with the cup body and is provided with an air outlet; the primary separator and the secondary separator are arranged in the cup body; the primary separator comprises an outer cylinder in the cup body and a cyclone separation body arranged in the outer cylinder, the primary air inlet is communicated with the inside of the outer cylinder, a dust shield is arranged at the lower end of the outer cylinder, a notch is formed in the dust shield, a plurality of through holes are formed in the side wall of the cyclone separation body, a dust collecting barrel is arranged below the cyclone separation body, and the outer peripheral wall of the dust collecting barrel and the inner peripheral wall of the cup body form a primary dust collecting cavity; the secondary separator comprises an upper cylinder arranged above the outer cylinder, a plurality of inverted-cone-shaped cyclone separation cores are arranged in the upper cylinder, two ends of each cyclone separation core are opened, secondary air inlets for tangentially air inletting are formed in the upper ends of the cyclone separation cores, the lower ends of the cyclone separation cores are located above the dust collecting barrel, and an inner cavity of the dust collecting barrel forms a secondary dust collecting cavity. According to the cyclone separation type dust cup, large garbage balls can pass through from the notch, and an air channel is prevented from being blocked.

Description

A kind of cyclone separating dirt cup

Technical field

The utility model relates to a kind of dirt cup of dust catcher, especially a kind of dirt cup of cyclone separating.

Background technology

The dirt cup that filters usefulness is the critical piece in the dust catcher, and in order better to realize separating of impurity such as dust and air, existing dust catcher adopts the cyclone dust cup of secondary separation more.The air that contains impurity tangentially enters first order separator, do gyration from top to bottom, in turning course, bulky grain, heavier impurity because of density greater than air, suffered centrifugal force big and collide lose that inertia falls into the below dust-collecting cavity behind the inwall of first order separator and and air separation.Thinner impurity and air enter second level separator, and tiny dust loses dust-collecting cavity and the air separation that inertia falls into the below after colliding the inwall of second level separator.And clean air is discharged in the atmosphere after by filter elements such as sponges.

Number be the disclosed a kind of secondary cyclone dust separating cup of vacuum cleaner of Chinese patent of CN2936112Y as Granted publication, comprise the dirt cup, be opened in the air outlet on the dirt cup, the air inlet and the separator be located at cup in tangent with the cup perisporium, separator comprises that being connected in the outer cylinder body that connects between support and the cage separates with the inner barrel two-stage of being located at the coaxial arrangement in outer cylinder body center.Because the periphery of dirt cup air inlet axis and dirt cup housing is tangent, because generation swirling eddy, again because separator air inlet position is lower than dirt cup air inlet position, thereby after the air that has dust enters the dirt cup, namely produce the quick whirlwind of downward helical form, dust is subjected to the effect of centrifugal force and gravity to be thrown toward perisporium and falls to dirt cup bottom dust-collecting cavity.Again roll because the buffer action of cage, the dust that falls into dust-collecting cavity are difficult to be subjected to the influence of top spiral air flow, isolate most of dust with this.

Yet, during the first order of above-mentioned this dirt cup is separated, because thicker dust is more, in the process that dust falls, might roll into a ball the big rubbish group of coiled, thereby can't fall in the dust-collecting cavity by the air channel between cage and the cup, thereby make thus and use the big rubbish group in back can be deposited in the air channel to result in blockage that influence is normal to be used for a long time.

The utility model content

Technical problem to be solved in the utility model provides a kind of cyclone separating dirt cup, guarantees that by simple structure big rubbish group drops to dust-collecting cavity smoothly, thereby has guaranteed the normal use of dust catcher.

The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of cyclone separating dirt cup, comprise the cup that has tangential first order air inlet on the sidewall, the dirt bowl cover with air outlet with described cup coupling, and be arranged on primary separator and second-stage separator in the described cup, it is characterized in that

Described primary separator comprises the outer cylinder body in the cup and is arranged on the interior cyclonic separation body of outer cylinder body, described one-level air inlet and outer cylinder body internal communication, the lower end of described outer cylinder body is provided with dust-blocking cover, offer breach on the described dust-blocking cover, offer a plurality of through holes on the sidewall of described cyclonic separation body, the below of described cyclonic separation body is provided with dust bucket, has formed the single stage of dust collection chamber between the internal perisporium of described dust bucket periphery wall and cup;

Described second-stage separator comprises the upper shell that places the outer cylinder body top, be provided with the cyclonic separation core of the both ends open of a plurality of back tapers in the described upper shell, the upper end of described cyclonic separation core has the secondary air inlet of tangential air intake, the lower end is positioned at described dust bucket top, and the inner chamber of dust bucket has formed the secondary dust-collecting cavity.

Described breach is opened in described dust-blocking cover and is positioned on the position of one-level air inlet below and increases gradually from top to bottom, makes that bigger rubbish group can be from this breach by avoiding stopping up the air channel.

The top of described upper shell is provided with filter, and described dirt bowl cover is arranged on the filter top, further filters for the air behind the cascade filtration, reduces dust as far as possible.

Compared with prior art, advantage of the present utility model is: by the dust-blocking cover at primary separator breach is set, thereby the group around big rubbish group can guarantee the normal use of dust catcher from breach by avoiding stopping up the air channel towards dust-collecting cavity.

Description of drawings

Fig. 1 is the cutaway view of dirt cup of the present utility model;

Fig. 2 is the perspective view (hiding cup) of dirt cup of the present utility model;

The specific embodiment

Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.

Referring to Fig. 1 and Fig. 2, a kind of cyclone separating dirt cup comprises the cup 1 of tubular and is arranged at the dirt bowl cover 2 of the coupling of cup 1 top.Wherein, the sidewall of cup 1 is provided with the one-level air inlet 11 of tangential air intake, and dirt bowl cover 2 is provided with air outlet 21.

Dirt cup of the present utility model is the secondary separate type, and wherein, primary separator comprises the outer cylinder body 31 that is arranged in the cup 1 and the cyclonic separation body 32 that is arranged in the outer cylinder body 31.One-level air inlet 11 and outer cylinder body 31 internal communication, cyclonic separation body 32 is the tubular of upper and lower opening, its upper end open diameter upwards increases gradually.Offer a plurality of through holes 33 on the sidewall of cyclonic separation body 32, the below of cyclonic separation body 32 is provided with dust bucket 34, has formed single stage of dust collection chamber 35 between the internal perisporium of dust bucket 34 periphery walls and cup 1.

Outer cylinder body 31 lower ends are provided with the dust-blocking cover 36 of annular, and the influence that makes the dust fall into single stage of dust collection chamber 35 be difficult to be subjected to the top spiral air flow is rolled again, isolates most of dust with this.Offer circumferential breach 361 on the dust-blocking cover 36, because one-level air inlet 11 place's air quantity maximums form big rubbish group easily, preferred, breach 361 is opened in dust-blocking cover 36 and is positioned on the position of one-level air inlet 11 belows, and increases gradually from top to bottom.

Second-stage separator comprises the upper shell 41 that places outer cylinder body 31 tops, be provided with the cyclonic separation core 42 of the both ends open of a plurality of back tapers in the upper shell 41, and diameter and dust bucket 34 corresponding inner barrels 43, the lower end of inner barrel 43 is positioned on the dust bucket 34 and with dust bucket 34 and is communicated with.In the present embodiment, cyclonic separation core 42 is symmetrically arranged three, each cyclonic separation core 42 upper end has the secondary air inlet 44 of tangential air intake, and the lower end of cyclonic separation core 42 is stretched in the inner barrel 43 and is positioned at dust bucket 34 tops, and the inner chamber of dust bucket 34 has formed secondary dust-collecting cavity 45.

The top of upper shell 41 is provided with the filter 3 that has filtering material, and dirt bowl cover 2 is arranged on filter 3 tops.

Operation principle of the present utility model is as follows:

The high-speed air flow that has a dust enters in the outer cylinder body 31 along the tangent direction of the inwall of cup 1 from the one-level air inlet 11 of dirt cup, produce helical form high speed backspin in the cavity of air stream between outer cylinder body 31 and cyclonic separation body 32, the air stream of high speed backspin is accelerated in the bottom of outer cylinder body 31, and dust is subjected to the effect of centrifugal force and gravity to be thrown toward perisporium and falls to single stage of dust collection chamber 35.Dust is after entering single stage of dust collection chamber 35, because amplify suddenly in the space, air stream slows down rapidly, thereby makes wherein thicker dust deposit to the bottom in single stage of dust collection chamber 35.Again roll because the buffer action of dust-blocking cover 36, the dust that falls into single stage of dust collection chamber 35 are difficult to be subjected to the influence of top spiral air flow, isolate most of dust with this.Thereby the bigger rubbish group of group's coiled then can enter into single stage of dust collection chamber 35 smoothly by the breach 361 on the dust-blocking cover 36, and can not be blocked in the air channel between dust-blocking cover 36 and the cup 1, thereby has guaranteed normal use.

Air stream after preliminary the filtration enters in the cyclonic separation body 32 from the through hole 33 on cyclonic separation body 32 sidewalls, and rising along the cavity between cyclonic separation body 32 and the inner barrel 43 then tangentially enters in the cyclonic separation core 42 from secondary air inlet 44 by the cavity between upper shell 41 and the cyclonic separation core 42.Air stream produces the high speed backspin in cyclonic separation core 42, the air stream of high speed backspin enters in the secondary dust-collecting cavity 45 after the lower port of cyclonic separation core 42 is accelerated.Because amplify suddenly in the space in secondary dust-collecting cavity 45, air stream slows down rapidly, thereby makes dust deposit thinner in the air stream to the bottom of secondary dust-collecting cavity 45.

Make progress by after its upper port along cyclonic separation core 42 through further filtered air stream, enter in the cavity between filter 3 and the upper shell 41, the air filter 3 of flowing through enters in the dirt bowl cover 2 after being further filtered then, and finally the air outlet 21 from dirt bowl cover 2 flows out the dirt cups.

The above only is preferred embodiment of the present utility model; should be pointed out that for the ordinary skill in the art, do not breaking away under the principle prerequisite of the present utility model; can also make various deformation and improvement, this also should be considered as protection domain of the present utility model.

Claims

1. cyclone separating dirt cup, comprise the cup (1) that has tangential first order air inlet (11) on the sidewall, with the dirt bowl cover (2) with air outlet (21) of described cup (1) coupling, and be arranged on described cup (1) interior primary separator and second-stage separator, it is characterized in that

Described primary separator comprises the outer cylinder body (31) in the cup (1) and is arranged on the interior cyclonic separation body (32) of outer cylinder body (31), described one-level air inlet (11) and outer cylinder body (31) internal communication, the lower end of described outer cylinder body (31) is provided with dust-blocking cover (36), offer breach (361) on the described dust-blocking cover (36), offer a plurality of through holes (33) on the sidewall of described cyclonic separation body (32), the below of described cyclonic separation body (32) is provided with dust bucket (34), has formed single stage of dust collection chamber (35) between the internal perisporium of described dust bucket (34) periphery wall and cup (1);

Described second-stage separator comprises the upper shell (41) that places outer cylinder body (31) top, be provided with the cyclonic separation core (42) of the both ends open of a plurality of back tapers in the described upper shell (41), the upper end of described cyclonic separation core (42) has the secondary air inlet (44) of tangential air intake, the lower end is positioned at described dust bucket (34) top, and the inner chamber of dust bucket (34) has formed secondary dust-collecting cavity (45).

2. cyclone separating dirt cup as claimed in claim 1 is characterized in that, described breach (361) is opened in described dust-blocking cover (36) and is positioned on the position of one-level air inlet (11) below and increases gradually from top to bottom.

3. cyclone separating dirt cup as claimed in claim 1 or 2 is characterized in that, the top of described upper shell (41) is provided with filter (3), and described dirt bowl cover (2) is arranged on filter (3) top.