CN202211652U - Dust separating device - Google Patents
Dust separating device Download PDFInfo
- Publication number
- CN202211652U CN202211652U CN201120327899XU CN201120327899U CN202211652U CN 202211652 U CN202211652 U CN 202211652U CN 201120327899X U CN201120327899X U CN 201120327899XU CN 201120327899 U CN201120327899 U CN 201120327899U CN 202211652 U CN202211652 U CN 202211652U
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- opening
- dust
- air
- flow
- separator
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Abstract
The utility model relates to a dust separating device which is provided with a dust separator, an air inlet part and an air outlet part, wherein the air inlet part comprises a first opening allowing air to flow in, and a second opening and a third opening that are arranged at the down stream of the first opening; the third opening is located in the path of the air flowing from the first opening to the second opening; a 30DEG-150DEG included angle is formed between the mouth direction of the third opening and the mouth direction of the first opening; the second opening is connected with the dust separator; after the air flows in from the first opening, a part of air containing larger particle dust passes through the second opening and then enters the dust separator; and the other part of air containing smaller particle dust passes through the third opening. Since the air inlet part adopts the structure, before a blast of air containing the dust enters the dust separating device, the air inlet part can divide the blast of air into two blasts of air in different quality, thereby reducing the flow of the air entering the dust separator, and improving the separating efficiency of the dust separating device.
Description
Technical field
the utility model relates to a kind of dust-separating appliance that is used for vacuum cleaner.
Background technology
are present, and dust catcher is very extensive.As everyone knows, dust catcher all is through the separation of one-level dust separation unit at least, flows to promoting the circulation of qi solid two and is separated the dust in the dust-contained airflow is gentle.In the dust catcher that the dirt cup filters; Especially the cup type dust catcher of multistage cyclone formula dirt, if the diameter of dirt cup disengagement chamber inner separator is done greatly, it is big that the air outlet diameter in the separator also becomes relatively; The processing flow is big; Pressure loss is also low, but tends to receive the restriction in external form space, does not meet the production development direction; If the diameter of disengagement chamber inner separator is done little, relatively the air outlet diameter in the separator also can correspondence diminish, and the unit interval handles flow and diminishes; Cause dust to have little time to handle and be pulled away, influence separative efficiency, and air-out area is little; The piece-rate system pressure loss is also high; So in the cup type dust catcher of multistage cyclone formula dirt, be difficult to solve the problem of the dust separation efficient and the pressure loss, often improved dust separation efficient and but increased the pressure loss, for having reduced pressure loss; But reduced dust separation efficient, both are difficult to take into account and balance.
The utility model content
to above problem, and the purpose of the utility model provides and a kind ofly can in advance dust-contained airflow be divided into the dust-separating appliance that different brackets separates.
are in order to realize above-mentioned utility model purpose; The utility model adopts following technical scheme: a kind of dust-separating appliance; Have dust separator, with dust-contained airflow is introduced intake section in the described dust separator, air-flow after will separating is drawn described dust separator the portion of giving vent to anger; It is characterized in that: described intake section comprises first opening that air feed stream flows into; Be positioned at second opening and the 3rd opening in the described first opening downstream, described second opening all is connected with a vacuum source with the 3rd opening, and described the 3rd opening is positioned at air-flow and flows on the path of second opening from described first opening; The oral area direction of described the 3rd opening and the oral area direction of described first opening are 30 °～150 ° angle, and described second opening is communicated with described dust separator; After air-flow flows into from described first opening part; The bulky grain dust will be because effect of inertia will continue according to former flow direction mobile with a part of air-flow; Then pass through from described second opening part; Get into dust separator at last, the granule dust will pass through from described the 3rd opening part with another part air-flow.
In
technique scheme; Described dust separator is a cyclone separating dust separator; Comprise the cyclonic separation chamber, with air-flow introduce described cyclonic separation chamber air inlet, be positioned at bottom, described cyclonic separation chamber dust storage chamber, will separate the back air-flow and draw the gas outlet in described cyclonic separation chamber; Described air inlet coincides with second opening or is communicated with, and described gas outlet is connected with described vacuum source.
In
technique scheme; Can also be preferred; Described the 3rd opening and described gas outlet all communicate with a downstream dust separator; Get into this downstream dust separator from the air-flow of described the 3rd opening and gas outlet outflow, described downstream dust separator is cyclone separating dust separator or papery dust filter or sponge dust filter.
In
technique scheme, preferred, the oral area direction of described the 3rd opening and the oral area direction of described first opening are 90 angle.
In
technique scheme; Preferably; Described first opening has a plurality of; A plurality of described first openings distribute along a circumferencial direction, and described second opening has a plurality of, and a plurality of described second openings also distribute along a circumferencial direction; The oral area of the oral area of a plurality of described first openings and a plurality of described second openings is on same horizontal plane, and described the 3rd opening is constituted or is made up of with the identical oral area of described first number of openings number by the opening of an annular.
In
technique scheme, preferred, described first opening part is provided with and has several first mesh walls along first through hole that circumferentially distributes, and several described first through holes constitute described first opening.
In
technique scheme, preferred, described second opening part is provided with and has several second mesh walls along second through hole that circumferentially distributes, and several described second through holes constitute described second opening.
In
technique scheme, preferred, the opening direction of described second opening is consistent with the opening direction of described first opening.
are through the enforcement of technique scheme; The utility model obtains following advantage: through the intake section of dust-separating appliance being arranged to as above second opening and the 3rd opening of structure; Make air-flow after getting into from first opening; Oarse-grained dust can move along original route because inertia is bigger, thereby through separating in second opening entering dust separator; Short grained dust receives the effect from the pull of vacuum of the 3rd opening part again because inertia is less, with changing original movement locus, passes through from the 3rd exit.The inlet structure of this dust-separating appliance can be divided into two strands of different air-flows of dust-laden grain diameter with dust-contained airflow in advance, then separates again, and this structure can reduce the pressure loss of dust separator, increases air flow rate in the disengagement chamber.The air-flow that contains less particle dust will be discharged from the 3rd gas outlet, contain the bigger air-flow of particle size and in second gas outlet inflow dust separator, separate, and the gas ash content that has improved dust-separating appliance is from efficient.
Description of drawings
Accompanying drawing 1 is the structural representation of dust-separating appliance of the embodiment 1 of the utility model;
Accompanying drawing 2 is the structural representation of dust-separating appliance of the embodiment 2 of the utility model;
Accompanying drawing 3 is the cross sectional representation of peristome of the dust-separating appliance of the utility model;
Accompanying drawing 4 is the schematic cross-section of peristome of another dust-separating appliance of the utility model;
Accompanying drawing 5 is the schematic cross-section of peristome of the another dust-separating appliance of the utility model;
Accompanying drawing 6 is the stressed sketch map of intake section place dust of the dust-separating appliance of the utility model;
wherein: 1, dividing plate; 100, dust-separating appliance; 101, first cylindrical shell; 102, second cylindrical shell; 103, first opening; 104, second opening; 105, the 3rd opening; 106, cyclonic separation chamber; 107, second dust storage chamber; 108, first dust storage chamber; 109, first exhaust passage; 110, second exhaust passage; 111, gas outlet; 200, dust-separating appliance; 201, first cylindrical shell; 202, second cylindrical shell; 203, first opening; 204, second opening; 205, the 3rd opening; 206, cyclonic separation chamber; 208, first dust storage chamber; 209, first exhaust passage; 210, second exhaust passage; 211, gas outlet.
The specific embodiment
Embodiment 1:
A kind of cyclone separating dust-separating appliance 100 that
are as shown in Figure 1; It comprises first cylindrical shell 101 that is positioned at the outside and is positioned at first cylindrical shell, 101 inboard second cylindrical shells 102; The inside of second cylindrical shell 102 forms cyclonic separation chamber 106, and the bottom in cyclonic separation chamber 106 constitutes first dust storage chamber 108.The top in cyclonic separation chamber 106 is provided with a gas outlet 111, this gas outlet 111 corresponding first exhaust passage 109.The intake section of this dust-separating appliance 100 is arranged to have three openings; Be specially: offer first opening 103 that air feed stream flows on first cylindrical shell 101; The inwall of second cylindrical shell 102 offers second opening 104 that faces first opening 103, and these two openings are positioned on the same horizontal plane and second opening 104 is positioned at the downstream of first opening 103.The opening direction that the horizontal pathways that air-flow flows to second opening 104 from first opening 103 are provided with the 3rd opening 105, the three openings 105 straight up, and is vertical basically with the opening direction of first opening 103.Second opening 104 all communicates with a vacuum source with the 3rd opening 105, and what the 3rd opening 105 faced toward is second exhaust passage 110.The inner bottom part of first cylindrical shell 101 forms second dust storage chamber 107, and when air-flow flows to the process of second opening 104 from first opening 103, the very large dust of part particle directly drops into gravitate in second dust storage chamber 107.In addition; First dust storage chamber 108 and second dust storage chamber 107 communicate with each other, and this design can enlarge the ability (most dusts all can be fallen in first dust storage chamber 108 in the cyclone separator 100) that first dust storage chamber 108 of going to the bottom in cyclonic separation chamber 106 holds dust.
The dust-separating appliance of
said structure is when work, and after air-flow flowed into from first opening 103, the very large dust of part particle directly dropped into gravitate in second dust storage chamber 107.The a part of air-flow that contains the larger particles dust passes through from second opening 104 owing to inertia; Carry out cyclonic separation after then getting into cyclonic separation chamber 106; Dust drops in first dust storage chamber 108, and comparatively clean air-flow 111 passes through from the gas outlet after the separation, flows out from first exhaust passage 109 at last.Another part air-flow that contains less particle dust passes through from the 3rd opening 105, then directly flows out from second exhaust passage 110.
are common, and the 3rd opening 105 also is equipped with a downstream dust separation unit with the downstream of gas outlet 111, this downstream dust separation unit can be with its dust-contained airflow in the filter that is complementary of particle size grade.Also can be the downstream dust separator in the 3rd opening 105 and 111 downstream, gas outlet, the 3rd opening 105 be communicated in this downstream dust separator with gas outlet 111.The air-flow that flows out from the 3rd opening 105 and gas outlet 111 like this can get into this downstream dust separation unit and further separate.
Embodiment 2:
this embodiment 2 is similar with the above embodiments 1 structure; As shown in Figure 2; This dust-separating appliance 200 also is a kind of cyclone separating dust-separating appliance; It comprises that being positioned at the first outside cylindrical shell 201 forms cyclonic separation chamber 206 with the inside that is positioned at first cylindrical shell, 201 inboard second cylindrical shell, 202, the second cylindrical shells 202, and the bottom in cyclonic separation chamber 206 constitutes first dust storage chamber 208.The top in cyclonic separation chamber 206 is provided with a gas outlet 211, this gas outlet 211 corresponding first exhaust passage 209.The intake section of this dust-separating appliance 200 is arranged to have three openings; Be specially: offer first opening 203 that air feed stream flows on first cylindrical shell 201; The inwall of second cylindrical shell 202 offers second opening 204 that faces first opening 203, and these two openings are positioned on the same horizontal plane and second opening 204 is positioned at the downstream of first opening 203.The opening direction that the horizontal pathways that air-flow flows to second opening 204 from first opening 203 are provided with the 3rd opening 205, the three openings 205 straight up, and is vertical basically with the opening direction of first opening 203.Second opening 204 all communicates with a vacuum source with the 3rd opening 205, and what the 3rd opening 205 faced toward is second exhaust passage 210.
The dust-separating appliance of
said structure is when work; After air-flow flows into from first opening 203; The a part of air-flow that contains the larger particles dust carries out cyclonic separation because inertia passes through from second opening 204 after then getting into cyclonic separation chamber 206, and dust drops in first dust storage chamber 208; Comparatively clean air-flow 211 passes through from the gas outlet after the separation, flows out from first exhaust passage 209 at last.Another part air-flow that contains less particle dust passes through from the 3rd opening 205, then directly flows out from second exhaust passage 210.
are common, and the 3rd opening 205 also is equipped with a downstream dust separation unit with the downstream of gas outlet 211, this downstream dust separation unit can be with its dust-contained airflow in the filter that is complementary of particle size grade.Also can be the downstream dust separator in the 3rd opening 205 and 211 downstream, gas outlet, the 3rd opening 205 be communicated in this downstream dust separator with gas outlet 211.The air-flow that flows out from the 3rd opening 205 and gas outlet 211 like this can get into this downstream dust separation unit and further separate.
In
the foregoing description; First opening also can be arranged to have a plurality of structures; These a plurality of first openings distribute along a circumferencial direction; The number of second opening is identical with the number of first opening, and the oral area of each first opening faces with the oral area of corresponding second opening, and the 3rd opening is constituted or is made up of the number oral area identical with first number of openings by the opening of an annular.As shown in Figure 3, what show among this figure is the 3rd opening is divided into four oral areas along circumferencial direction by dividing plate 1 structure.What accompanying drawing 4 was showed is the structure that first opening has a plurality of oral areas.In addition, also can be provided with the first mesh wall that has several first through holes at first opening part, several first through holes constitute described first opening, and this structure is referring to accompanying drawing 5.Certainly, also can be provided with the second mesh wall that has several second through holes at second opening part, several second through holes constitute described second opening.
The operation principle of
above-mentioned intake section is as shown in Figure 6, and in the dust-contained airflow, each dust all receives the effect of four active forces; Be gravity G; The second suction F2 that the first suction F1 of the second opening horizontal direction, the 3rd opening make progress, inertia force F3.Because (a is the current acceleration of dust to the upright big or small F3=ma of inertia; M is the dust quality); The dust-contained airflow that flows into from first opening like this; The direction of closing as its F that makes a concerted effort that receives and vertical direction be less than 45 spend angle (the angle r among the figure) time, this dust will be with passing through from the 3rd opening part with air-flow that its stressed similar part contains the granule dust.The direction of closing as its F that makes a concerted effort that receives and horizontal direction be less than 45 spend angle the time, this dust will be with passing through from second opening part with air-flow that its stressed similar part contains the bulky grain dust.
have said structure intake section dust-separating appliance; Before one ash-laden gas gets in the dust separator; Intake section can be divided into one air-flow two bursts of different qualities (the dust-laden granular size differ'ss) air-flow; Thereby reduce to get into the throughput in the dust separator, make that the separative efficiency in the dust separator is improved.Thereby the dust-separating appliance of the utility model can be when not reducing separative efficiency, and enlargement discharge reduces the system pressure loss, improves the effective power of machine.
the foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (8)
1. dust-separating appliance; Have dust separator, with dust-contained airflow is introduced intake section in the described dust separator, air-flow after will separating is drawn described dust separator the portion of giving vent to anger; It is characterized in that: described intake section comprises first opening that air feed stream flows into; Be positioned at second opening and the 3rd opening in the described first opening downstream; Described second opening all is connected with a vacuum source with the 3rd opening; Described the 3rd opening is positioned at air-flow and flows on the path of second opening from described first opening, and the oral area direction of described the 3rd opening and the oral area direction of described first opening are 30 °～150 ° angle, and described second opening is communicated with described dust separator; After air-flow flowed into from described first opening part, the bulky grain dust then passed through from described second opening part because effect of inertia will continue to flow according to former flow direction with a part of air-flow, gets into described dust separator at last; The granule dust will pass through from described the 3rd opening part with another part air-flow.
2. dust-separating appliance according to claim 1; It is characterized in that: described dust separator is a cyclone separating dust separator; Comprise the cyclonic separation chamber, with air-flow introduce described cyclonic separation chamber air inlet, be positioned at bottom, described cyclonic separation chamber dust storage chamber, will separate the back air-flow and draw the gas outlet in described cyclonic separation chamber; Described air inlet coincides with second opening or is communicated with, and described gas outlet is connected with described vacuum source.
3. dust-separating appliance according to claim 2; It is characterized in that: described the 3rd opening and described gas outlet all are connected with a downstream dust separator; Get into this downstream dust separator from the air-flow of described the 3rd opening and gas outlet outflow, described downstream dust separator is cyclone separating dust separator or papery dust filter or sponge dust filter.
4. dust-separating appliance according to claim 1 is characterized in that: the oral area direction of described the 3rd opening and the oral area direction of described first opening are 90 angle.
5. dust-separating appliance according to claim 1; It is characterized in that: described first opening has a plurality of; A plurality of described first openings distribute along a circumferencial direction; Described second opening has a plurality of; A plurality of described second openings also distribute along a circumferencial direction, and the oral area of the oral area of a plurality of described first openings and a plurality of described second openings is on same horizontal plane, and described the 3rd opening is constituted or is made up of with the identical oral area of described first number of openings number by the opening of an annular.
6. dust-separating appliance according to claim 1 is characterized in that: described first opening part is provided with and has several first mesh walls along first through hole that circumferentially distributes, and several described first through holes constitute described first opening.
7. dust-separating appliance according to claim 1 is characterized in that: described second opening part is provided with and has several second mesh walls along second through hole that circumferentially distributes, and several described second through holes constitute described second opening.
8. dust-separating appliance according to claim 1 is characterized in that: the opening direction of described second opening is consistent with the opening direction of described first opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120327899XU CN202211652U (en) | 2011-09-02 | 2011-09-02 | Dust separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120327899XU CN202211652U (en) | 2011-09-02 | 2011-09-02 | Dust separating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202211652U true CN202211652U (en) | 2012-05-09 |
Family
ID=46010924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120327899XU Withdrawn - After Issue CN202211652U (en) | 2011-09-02 | 2011-09-02 | Dust separating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202211652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293611A (en) * | 2011-09-02 | 2011-12-28 | 江苏美的春花电器股份有限公司 | Dust separating device |
-
2011
- 2011-09-02 CN CN201120327899XU patent/CN202211652U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293611A (en) * | 2011-09-02 | 2011-12-28 | 江苏美的春花电器股份有限公司 | Dust separating device |
| CN102293611B (en) * | 2011-09-02 | 2013-10-02 | 江苏美的春花电器股份有限公司 | Dust separating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120509 Effective date of abandoning: 20131002 |
|
| RGAV | Abandon patent right to avoid regrant |