CN102697430A - Filter and dust collector using filter structure - Google Patents
Filter and dust collector using filter structure Download PDFInfo
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- CN102697430A CN102697430A CN2011100751172A CN201110075117A CN102697430A CN 102697430 A CN102697430 A CN 102697430A CN 2011100751172 A CN2011100751172 A CN 2011100751172A CN 201110075117 A CN201110075117 A CN 201110075117A CN 102697430 A CN102697430 A CN 102697430A
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Abstract
The invention discloses a filter for cyclone separation. The filter comprises a filter inner cover and a filter outer cover which are fixedly connected with each other; a cover wall of the filter inner cover has a grid-shaped structure; the number of grids is the same as that of the lines of filter holes of the filter; and the grids are arranged corresponding to the centers of the filter holes. Meanwhile, the invention also discloses a dust collector using the filter. When entering the dust collector through the filter holes on the filter outer cover, fine dust is reflected and ejected by the grids on the filter inner cover and enters a separation cavity to be separated again, so that the separation efficiency of the fine dust is improved; and meanwhile, entering air flow is divided into two parts, the speed of the air flow entering a filter core is reduced under the flow distribution effect of the filter inner cover, and the retention period of the dust in the filter is increased, so that the dust is easy to separate.
Description
Technical field
The present invention relates to a kind of dust catcher, particularly relate to a kind of filtration device structure of dust catcher.
Background technology
Usually, vacuum cleaner is to utilize motor to produce suction to suck air, makes air flow through various filters, airborne foreign matter is filtered the device in the cleaning chamber.
In general; Vacuum cleaner mainly comprises aspirator and suction line; With motor and blower fan is that the aspirator that dominant shape becomes is arranged in the body; Suction line comprises suction nozzle and air intake duct, and the air entry of the oriented under shed of suction nozzle and telescoping tube and flexible pipe through air intake duct communicate with the air inlet of body inner blower.During the dust catcher running, the impeller of motor drives blower fan rotates at a high speed, and the air in the dust catcher is discharged, and in dust catcher, forms instantaneous vacuum, and forms a quite high Negative Pressure Difference between the ambient atmosphere.Under the effect of this Negative Pressure Difference, near the dust the suction nozzle sucks in the dust bucket in the body through air entry together with air.The air that contains dust after filtering, flows back to the dust catcher outside from air outlet again in the body dust bucket.Like this, just reach the effect of dust out, clean floor.The suction rate of vacuum cleaner is divided into a plurality of class that control, and adapts to the scope of operation of different cleaning objects such as ground, bed surface, sofa, corner, so that aspirate dust everywhere better.
Vacuum cleaner can be divided into filer element type, cyclone type to the mode that foreign matters such as dust, hair filter by it.Wherein filer element type makes the air that contains foreign matter flow through a kind of dry goods dust bag; Foreign matter filtered to change dust bag periodically; And cyclone type makes the suction air generation eddy flow that contains foreign matter; Fall the bottom surface with sucking the deadweight effect tenesmus of airborne foreign matter in rotary course, do not need dust bag, its use amount just constantly rises.
Fig. 1 is the vertical view of the cyclone system of prior art.Fig. 2 is the cross sectional view of A-A` hatching line among Fig. 1.Like Fig. 1, shown in 2, cyclone system comprises dust bucket 5 and cyclone separator 6; Wherein have the handle of being convenient to pick and place 9 on the dust bucket 5; Cyclone separator 6 is round barrel shape; Level is installed in the open upper end place of dust bucket 5; The one of which end tangentially is formed with an air inlet 11; The other end tangentially forms a dust-exhausting port 12, and is being formed with a plurality of relief grooves 13 that are used for pressure between balance dust bucket 5 and the cyclone separator 6 on the periphery of bottom vertically; Conical filter 7 is arranged on the opening part of cyclone separator 6, and turbulent flow generator 8 is the cylinder bodily form, and the inner surface middle part that it is fixed on blind end on the cyclone separator 6 is used to improve separating property; 6 tangential direction is drawn into the inside of cyclone separator 6 from air inlet 11 along cyclone separator through suction nozzle, telescoping tube and suction hose.
In being mingled with the air rotary course of impurity; Because the proportion of impurity is greater than air, so the centrifugal force of its generation is bigger, so these impurity will be deposited on the inwall of cyclone separator 6; Fall into the inside of dust bucket 5 then through dust-exhausting port 12; The air that filters out impurity then gets into exhaust outlet through the eyelet on the conical filter 7, filters the back once more and gets into motor cavity, finally is discharged to beyond the body then.
But; The filter of prior art, for the compact demand of dust catcher, the size of cyclone separator just is restricted; This just causes filter volume to be restricted; The filtering holes of filter is little to cause that then suction is not enough, increases the then thick dirt of through hole and also can get into filter interior, strengthens the exhaust portion volume and then causes mass air flow to be mingled with dust directly flowing to the filter side and directly get into filtering holes and cause efficient to reduce.
Summary of the invention
The present invention aims to provide a kind of filtration device structure that can effectively improve the effect improved dust catcher of dust separation to thin dirt separative efficiency.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is:
A kind of filter that is used for cyclonic separation; It comprises the filter inner cover and the filter outer cover of fixed connection; The cover wall of described filter inner cover is a gridiron, and described grizzly bar number is identical with the line number of filter filtering holes, and the corresponding filter opening of grizzly bar center is provided with.
Preferably, described filter is a circular cone tubular flat-top filter, and described filter inner cover is the circular cone tubular structure.
Preferably, the end mouth that described circular cone tubular inner cover comprises grizzly bar shape cover wall and both ends open thereof and top mouthful, and the top mouth turns up and forms support ring and be connected with the injection moulding of filter outer cover realizing, and mouth is connected with the terminal pad injection moulding at the bottom of the inner cover.
Preferably, described filter is a spherical crown shape tip circle cylindrical filter, and described filter inner cover is a cylinder-like structure.
Preferably, the end mouth that cylindric inner cover comprises grizzly bar shape cover wall and both ends open thereof and top mouthful, and the end of at mouth and the top mouth formation support ring that turns up is connected to realize its injection moulding with the filter outer cover.
Filtering holes is not offered on base section surface corresponding with air inlet on described filter outer cover.
The windward side of the base section corresponding with air inlet is not offered filtering holes on described filter outer cover.
The invention also discloses a kind of dust catcher that uses above-mentioned filter simultaneously.
The beneficial effect that the present invention obtained is: filter of the present invention adopts double-decker; Can change the Flow Field Distribution between two-layer; And can effectively reduce and tangentially get into the air mass flow that filter contains dust in the disengagement chamber, thereby being assigned to each filter opening to the air that contains foreign substances such as dust that sucks as much as possible, dust just has that time enough is separated goes out like this; Improve filtration efficiency, also kept enough high suction rates.More outstanding is; When thin dirt passes through the filtering holes entering of filter outer cover; Thereby the grizzly bar reflection ejection that can be filtered inner cover enters into disengagement chamber again and separates the separative efficiency of mentioning thin dirt once more, also the air-flow that gets into is divided into two parts simultaneously, and the shunting action of filter inner cover is slowed down air-flow and got into the inner speed of filter core; Increase the time of staying of dust in filter, make more easy separation of dust.
Description of drawings
Fig. 1 is the vertical view of the cyclone system of prior art;
Fig. 2 is the cross sectional view of A-A` hatching line among Fig. 1;
Fig. 3 is the filter structure schematic representation of first embodiment of the invention;
Fig. 4 is the filter inner cover structural representation of first embodiment of the invention;
Fig. 5 is the filter structure schematic representation of second embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain:
The operation principle of dust catcher of the present invention is identical with prior art, can be with reference to prior art, thus no longer narration, and the employing symbol identical with prior art, the difference of the present invention and prior art, with carrying out detailed explanation below:
Fig. 3, shown in Figure 4 be first embodiment of the invention; The air inlet that the cyclone separator of first embodiment comprises disengagement chamber, is provided with along the barrel tangential direction of disengagement chamber; And the filter 27 that is uniformly distributed with filtering holes 26; Described filter 27 is a circular cone tubular flat-tope structure, and its end mouth end and terminal pad 29 are integrally formed, and the edge clamping of terminal pad 29 is installed in control of dust tube cylinder lateral wall top air outlet outer side edges along on the clamp of elastomeric material; Come off for preventing that filter 27 from laterally moving, terminal pad 29 opposite sides are formed with and hold out against and seal the ring-type joint portion 21 that combines with motor cavity.Wherein, Described filter is the double-decker that keeps a determining deviation between internal layer and the skin, and said double-decker comprises along circular cone cartridge filter outer cover that is uniformly distributed with filter opening on its bus 24 and the circular cone tubular filtration inner cover 30 that is fixedly installed on filter outer cover 24 inside and both ends open.
Described circular cone cartridge filter inner cover 30 comprises: mouth 32 at the bottom of the inner cover of grizzly bar shape inner cover wall 31 and both ends open thereof, the support ring 34 that is turned up by inner cover top mouthfuls 33 and the grizzly bar shape inner cover wall 35 that is made up of grizzly bar that is arranged in order into the circular cone tube 36 and strip hole 37 therebetween, wherein each grizzly bar 36 is all corresponding to filter opening center that filter outer cover 24 straight lines are arranged.
Preferably, described filter inner cover 30 centerline length are 2/3 of filter outer cover 24 centerline length, and 30 end of filter inner cover mouth diameter is less than 24 end of filter outer cover mouth diameter.
Further, support ring 34 peripheries and filter outer cover 24 inwalls of described circular cone tubular filtration inner cover 30 are integrally formed; Mouth 32 and 24 end of filter outer cover mouth are integrally formed with the terminal pad 29 of mesopore respectively at the bottom of the inner cover.Filter of the present invention is when making; Can adopt injection molding filter outer cover 24 and filter inner cover 30 earlier; Quadric injection mould combines terminal pad 29 to form filters 27 integral body then, and guarantees that each grizzly bar 36 is all corresponding to filtering holes center that filter outer cover 24 straight lines are arranged.
When the dust catcher negative-pressure sucking generating apparatus of present embodiment is worked; The air that contains foreign substances such as dust is got into the disengagement chamber on control of dust tube top by the air inlet of tangential direction; Inhaled air is along the circular inner wall of control of dust tube disengagement chamber and around coniform filter rotation and formation swirling eddy, because the weight of foreign substances such as dust granule is heavier than air, the centrifugal force of generation is bigger; The centrifugal force that relies on swirling eddy is with foreign substances and air separation such as dusts; And detention is in the periphery of filter, and it is for clearance that the dust separation mouth through the dividing plate rear portion falls to gathering the control of dust space of cylindrical shell bottom, and the air of inspiration is after filter separates; Through the air outlet of control of dust tube lateral wall, promptly the mesopore of air outlet internal filter is discharged.Because double-deck filter can change the Flow Field Distribution between two-layer; And can effectively reduce and tangentially get into the air mass flow that filter contains dust in the disengagement chamber; Thereby be assigned to each filter opening to the air that contains foreign substances such as dust that sucks as much as possible; Dust just has that time enough is separated goes out like this, has improved filtration efficiency, has also kept enough high suction rates.More outstanding is; When thin dirt passes through the filtering holes entering of filter outer cover; Thereby the grizzly bar reflection that can be filtered inner cover is ejected and is entered into disengagement chamber again and separate once more and mention separative efficiency, and grizzly bar also is divided into two parts with the air-flow that gets into simultaneously, and the shunting action of filter inner cover is slowed down air-flow and got into the inner speed of filter core; Increase the time of staying of dust in filter, make more easy separation of dust.
Shown in Figure 5 is the second embodiment of the present invention; As shown in the figure; The filter 50 of second embodiment of the invention is a spherical crown tip circle tubular construction, on the whole face of cylinder, is uniformly distributed with filtering holes along its axis direction in its cylindrical portions may, and on the spherical crown shape, is evenly equipped with filtering holes equally.Wherein, Described filter 50 is the double-decker that keeps a determining deviation between internal layer and the skin, and said double-decker is along spherical crown tip circle cylindrical filter outer cover that is uniformly distributed with filter opening on its bus 51 and the cylinder-shaped filter inner cover 52 that is fixedly installed on filter outer cover 51 inside and both ends open.
Cartridge filter inner cover 52 comprises by being arranged in order into grizzly bar cylindraceous and therebetween strip hole and constitutes mouth and inner cover top mouth at the bottom of the inner cover of grizzly bar shape inner cover wall and both ends open thereof; And mouth locates to turn up respectively the formation support ring with the top mouth end of at; Described support ring size is complementary with the internal diameter of filter outer cover 51; So that with filter inner cover and filter outer cover fixedly injection moulding be connected; Wherein after being fixedly connected, each grizzly bar of filter inner cover is all corresponding to filter opening center that filter outer cover straight line is arranged.Wherein, the length of preferably described filter inner cover and filter outer cover cylindrical part are divided quite.
The end mouth of described filter outer cover 51 turns up and forms terminal pad 53; And on described terminal pad 53, extend forward and be formed with at least two fixation clamps 54; Described fixation clamp 54 matches with buckle structure on being formed on disengagement chamber can realize the fixed connection of filter, and the terminal pad structure improves stability and the sealing that is fixedly connected simultaneously.
Preferably; For the air-flow of avoiding the air inlet place directly enters into filter interior; Filtering holes is not offered on base section surface corresponding with air inlet on described filter outer cover; Further preferably, do not offer filtering holes, reduce suction losses when directly not getting into filter interior to guarantee air-flow at the windward side of the base section corresponding with air inlet.
The course of work of present embodiment is identical with a last embodiment, repeats no more at this.It is pointed out that filter of the present invention can use in horizontal dust collector also can use in vertical type dust collector, can use in horizontal disengagement chamber and can in vertical disengagement chamber, bring into play good effect equally.
In sum; Filter of the present invention adopts double-decker, can change the Flow Field Distribution between two-layer, and can effectively reduce and tangentially get into the air mass flow that filter contains dust in the disengagement chamber; Thereby be assigned to each filter opening to the air that contains foreign substances such as dust that sucks as much as possible; Dust just has that time enough is separated goes out like this, has improved filtration efficiency, has also kept enough high suction rates.More outstanding is; When thin dirt passes through the filtering holes entering of filter outer cover; Thereby the grizzly bar reflection ejection that can be filtered inner cover enters into disengagement chamber again and separates the separative efficiency of mentioning thin dirt once more, also the air-flow that gets into is divided into two parts simultaneously, and the shunting action of filter inner cover is slowed down air-flow and got into the inner speed of filter core; Increase the time of staying of dust in filter, make more easy separation of dust.
Claims (9)
1. filter that is used for cyclonic separation; It comprises the filter inner cover and the filter outer cover of fixed connection; It is characterized in that: the cover wall of described filter inner cover is a gridiron, and described grizzly bar number is identical with the line number of filter filtering holes, and the corresponding filter opening of grizzly bar center is provided with.
2. filter according to claim 1 is characterized in that: described filter is a circular cone tubular flat-top filter (27), and described filter inner cover is the circular cone tubular structure.
3. filter according to claim 2; It is characterized in that: described circular cone tubular inner cover comprises the end mouth and top mouth of grizzly bar shape cover wall and both ends open thereof; And top mouth turns up and forms support ring and be connected with the injection moulding of filter outer cover realizing, mouth is connected with the terminal pad injection moulding at the bottom of the inner cover.
4. filter according to claim 2 is characterized in that: filtering the inner cover centerline length is to filter 2/3 of outer cover centerline length.
5. filter according to claim 1 is characterized in that: described filter is a spherical crown shape tip circle cylindrical filter (50), and described filter inner cover is a cylinder-like structure.
6. filter according to claim 5 is characterized in that: the end mouth that cylindric inner cover comprises grizzly bar shape cover wall and both ends open thereof and top mouthful, and the end of at mouth and the top mouth formation support ring that turns up is connected to realize its injection moulding with the filter outer cover.
7. filter according to claim 5 is characterized in that: filtering holes is not offered on base section surface corresponding with air inlet on described filter outer cover.
8. filter according to claim 7 is characterized in that: the windward side of the base section corresponding with air inlet is not offered filtering holes on described filter outer cover.
9. dust catcher that uses filter as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100751172A CN102697430A (en) | 2011-03-28 | 2011-03-28 | Filter and dust collector using filter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100751172A CN102697430A (en) | 2011-03-28 | 2011-03-28 | Filter and dust collector using filter structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102697430A true CN102697430A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100751172A Pending CN102697430A (en) | 2011-03-28 | 2011-03-28 | Filter and dust collector using filter structure |
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| Country | Link |
|---|---|
| CN (1) | CN102697430A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470798A (en) * | 2013-08-13 | 2013-12-25 | 浙江盾安阀门有限公司 | Axial flow type flow quantity control valve with dual filtering function |
| CN105088995A (en) * | 2015-08-31 | 2015-11-25 | 山东碧空环保科技股份有限公司 | Road dust removal system |
| CN106725110A (en) * | 2017-01-13 | 2017-05-31 | 上海未来伙伴机器人有限公司 | A kind of dust barrel guard and dust catcher |
| CN116140293A (en) * | 2023-02-06 | 2023-05-23 | 高邮市永发机械有限公司 | Processing equipment cleaning structure and processing equipment comprising same |
-
2011
- 2011-03-28 CN CN2011100751172A patent/CN102697430A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470798A (en) * | 2013-08-13 | 2013-12-25 | 浙江盾安阀门有限公司 | Axial flow type flow quantity control valve with dual filtering function |
| CN103470798B (en) * | 2013-08-13 | 2016-04-27 | 浙江盾安阀门有限公司 | A kind of axial flow flow control valve with dual filtering functions |
| CN105088995A (en) * | 2015-08-31 | 2015-11-25 | 山东碧空环保科技股份有限公司 | Road dust removal system |
| CN106725110A (en) * | 2017-01-13 | 2017-05-31 | 上海未来伙伴机器人有限公司 | A kind of dust barrel guard and dust catcher |
| CN116140293A (en) * | 2023-02-06 | 2023-05-23 | 高邮市永发机械有限公司 | Processing equipment cleaning structure and processing equipment comprising same |
| CN116140293B (en) * | 2023-02-06 | 2023-11-28 | 高邮市永发机械有限公司 | Processing equipment cleaning structure and processing equipment comprising same |
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Application publication date: 20121003 |