CN101744578A

CN101744578A - Multi-dust collecting unit of vacuum cleaner

Info

Publication number: CN101744578A
Application number: CN201010039731A
Authority: CN
Inventors: 周丽君
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-08
Filing date: 2010-01-08
Publication date: 2010-06-23

Abstract

A multi-dust collecting unit of a vacuum cleaner comprises a multi-dust collecting unit arranged in a cavity formed by a large tube, a cover board and a cavity base of a motor, wherein the multi-dust collecting unit consists of a paper filter bag connected with an orifice of an intake tube on the cover board, a dust filtration bag fixed on the large tube and an advanced filter fixed on the cavity base of the motor, and the paper filter bag is placed in the dust filtration bag which is placed on the advanced filter. The test results indicate that after the first filtration of the paper filter bag, the second filtration of the dust filtration bag and the third filtration of the advanced filter, the dust filtration rate respectively reaches 93.2 percent, 99.78 percent and 99.90 percent, the filtration effect is good, meanwhile, the filtration device has simple structure, less parts, easy manufacturing and installation, low processing cost, good tightness as well as convenient dust treatment, cleaning, dismantling and use, can be matched with various vacuum cleaners with different structures to be installed together in the vacuum cleaner to be used, carries out dust collecting and filtration of the air passing through the dust collecting unit, and finally exhausts the pollution-free air.

Description

The multi-dust collecting unit of dust catcher

Technical field

The present invention relates to a kind of vitals of dust catcher, be used in particularly a kind of electric dust collector the air by dust catcher inside is carried out after control of dust filters, be discharged to the multi-dust collecting unit that the dust catcher that secondary pollution uses is not caused in the outside again.

Background technology

Electric dust collector makes dust very easily be adsorbed in impeller and motor place because of region of no pressure and the shared space of accumulation area, will cause motor load to improve if dust stops up screen pack, reduces dust collection efficiency, and this just requires dust catcher need dispose strict filter.

The patent No. 01144382.0 " dust filter of vacuum cleaner ", though provide a kind of filter body to be removably disposed in the inside of described external box of microvave, can be clean with removing attached to small foreign body on the filter body, filter body can be disassembled from dust filter and wash, reinstall and carry out effective control of dust again, but its filter effect is good not enough.

The patent No. 02120867.0 " dust catcher " with dual filtering functions, filter is made improvements again, providing a kind of utilizes paper filter to filter out the foreign matter of phase counterweight for the first time earlier, utilize dust-collection element control of dust filtration for the second time to remove minute dust fully again, finally make the air of discharge pollution-free, also can filter out remaining foreign substances simultaneously and make filter efficiency higher.

But this filtration device structure is complicated, part is many, and each parts is installed in respectively on the interior diverse location of body of dust collector, and trouble is installed, and dust is handled and filter cleans, dismantles also all inconvenient.

Summary of the invention

Technical problem to be solved by this invention is: the multi-dust collecting unit that a kind of dust catcher is provided, supporting with dust catcher, be installed in the air non-secondary pollution that makes discharge in the dust catcher, this dust collect plant is simple in structure simultaneously, easily make, install, cost of manufacture is low, dust processing, cleaning, easy to use have efficient pick-up performance.

The present invention addresses the above problem the technical scheme that is adopted, the multi-dust collecting unit of dust catcher, comprise being installed in and constitute the multi-dust collecting unit in the cavity by big tube, cover plate, motor cavity base, described multi-dust collecting unit, by the papery filter bag that is connected with the enterprising gas tube orifice of cover plate, the senior filter of crossing bag dust filter and being fixed on the motor cavity base that is fixed on the big tube is formed, and the papery filter bag was placed in the bag dust filter, and bag dust filter is shelved on the senior filter excessively.

Compared with prior art, the invention has the advantages that: 1, filter bag made of paper is easy to use, with air inlet mouth of pipe junction movable tegillum and cut are being arranged, elastic sealing strip is convenient to and being connected of air inlet pipe, sealing and anti-pollution, filling dust when filter bag made of paper need take off when abandoning, movable tegillum can be built, do not allow dust leak and carry out secondary pollution, because of leaving in, filter bag made of paper do not take the useful space in the bag dust filter, compact conformation, reduce volume, its easy making and making use cost are low simultaneously, do the dust test according to the standard of the EN60312 of European Union, the particle tested diameter is at 0.3～8 micron, and test result reaches 93.2% for dust filterability after filtering through filter bag for the first time made of paper; 2, the surface area of bag dust filter is very big excessively, and be complementary with big barrel shape, size, press close to big tube inwall, the easy more granule dust of adsorption filtration, and crossing bag dust filter, directly to be fixed on the top edge of big tube dust-collecting cavity fixed, and cross bag dust filter dismounting, easy for installation, and cleaning is easy, and test result shows that the dust filterability reaches 99.78% after filtering the dirt bag filtration for the second time; 3, high efficiency particulate air filter directly is fixed on the motor cavity base, and communicate with motor cavity by the through hole on it, its outside dust suction, inner ventilation, compact conformation is simple, part is few, good airproof performance, test result show its filterability of filtering the back dust for the third time of process up to 99.90%, and suiting especially has the special clean place that requires to use in hospital, laboratory, filter can be repeatedly used again, and use cost is low.

Description of drawings

Fig. 1, structural representation of the present invention.

Fig. 2, filter bag made of paper, cross bag dust filter, a grade filtration device structure exploded view (scheme one) grows tall.

Fig. 3, filter bag made of paper, mistake bag dust filter, short senior filtration device structure exploded view (scheme two).

The specific embodiment

Below in conjunction with accompanying drawing embodiments of the invention are further described.

Cross the oblong that bag dust filter 7,7 ' a be end opening is made by the PE material, be complementary with inner wall shape, the size of big tube 9, to increase the surface area of dust suction, filtration, also make the sealing strip 12 of making the band groove of soft rubber material at mistake bag dust filter 7,7 ' edge of opening, cross bag dust filter and fix, be sealed in the upper open end of big tube 9 with sealing strip 12, be sewed with bracelet 6 in the middle of the bottom surface, be convenient to hold ash of cleaning, cross bag dust filter 7,7 ' only length differences with hand.

Grow tall grade filter 5 for oval, the how pleated cylinder of making by filter paper in the center fixed of framework, to increase the contact and the filter area of dust, many pleated centres have fixed mount 4 and through hole to communicate with motor cavity, many pleated outer surfaces are the control of dust part, the centre is the air discharge unit, and lower surface edge is also pasted and is fixed with sealing ring 3.

Short senior filter 5 ' be pallet shape, form by inside and outside two layers of plastics clamping, outer is that soft TPE material is convenient to sealing, the how pleated plane that the framework center fixed is made by filter paper is so that increase absorption, the filter area of dust.

The partial cross-section of papery filter bag 8,8 ' only length is a triangle, the upper end is long rectangle, the lower end is leg-of-mutton closing bag, be converted into knuckle 18 under four angles of upper end, in the middle of the face length rectangle of upper end through hole is arranged, the periphery of through hole is pasted the backing plate 14 of fixing middle band through hole, the intermediate throughholes place of backing plate 14 also is connected with elastic sealing strip 13, on the semicircle periphery 15 at intermediate throughholes place, also has the cut 16 that disconnects, the intermediate throughholes limit at no marking place has along being interrupted the movable tegillum 17 of cut bending energy, as Fig. 2, shown in Figure 3.

During use, grade filter 5 that grows tall is screwed on the groove that has sealing ring 2 motor cavity bases 1 centre, maybe will lack senior filter 5 ' embed fixing and sealing on the groove in the middle of the motor cavity base 1, and with the through hole on it facing to the fresh air inlet on the motor cavity base, cross bag dust filter 7,7 ' with the sealing strip 12 of its openend band groove, link closely and be fixed on big tube 9 upper end-face edges, in big tube 9 ring grooves that embed on motor cavity base 1 limit, cross on the upper surface that bag dust filter 7 lower ends are placed on grade filter 5 that grows tall, if with lack senior filter 5 ' then called bag dust filter 7 ', up to crossing bag dust filter 7,7 ' run into length, short senior filter 5,5 ' upper surface till, again with papery filter bag 8,8 ' utilize through hole and cut 16 in the middle of its upper surface, earlier through hole is risen and be held in greatly again on 10 mouthfuls of the air inlet pipe, set level cut 16 then and dwindle through hole, elastic sealing strip 13 is again with the air inlet pipe 10 tight-lipped sealing functions of buckling, and the cover plate 11 that has air inlet pipe covers on big tube, as shown in Figure 1.

10 mouthfuls of air inlet pipe and dust catcher cover plate 11 all are transparent, can see the papery filter bag of the inside, when filling dust and foreign matter in the papery filter bag, just can open cover plate 11 takes out from cross bag dust filter 7 together with papery filter bag 8, and then it is the cut 16 on papery filter bag intermediate throughholes limit is past drop-down, intermediate throughholes is risen greatly, papery filter bag 8 is successfully taken off for 10 mouthfuls from air inlet pipe, cover tegillum 17 then, the papery filter bag 8 that dust is housed is abandoned, again changing new papery filter bag 8 again continues to use, after if service time is long, cross in bag dust filter 7 and the senior filter 5 and also be filled with dust, can open at this moment that cover plate 11 will be crossed bag dust filter 7 and senior filter 5 is taken out respectively from big tube 9, put back to original position after dust outwelled and clean out again and continue again to use, simple to operate, convenient.

Claims

1. the multi-dust collecting unit of a dust catcher, comprise being installed in and constitute the multi-dust collecting unit in the cavity by big tube (9), cover plate (11), motor cavity base (1), it is characterized in that described multi-dust collecting unit, by going up the papery filter bag that air inlet pipe (10) mouth is connected with cover plate (11), the senior filter of crossing bag dust filter and being fixed on the motor cavity base that is fixed on the big tube (9) is formed, and the papery filter bag was placed in the bag dust filter, crossed bag dust filter and was shelved on the senior filter.

2. the multi-dust collecting unit of dust catcher according to claim 1, it is characterized in that the described only length difference of bag dust filter (7), (7 ') of crossing, be made into by the PE material, shape, size and big tube (9) inner wall shape, size are complementary, make the sealing strip (12) of the band groove that is made into soft rubber material at big tube (9) edge of opening, in the middle of crossing bag dust filter (7), (7 ') bottom surface, also be sewed with bracelet (6).

3. the multi-dust collecting unit of dust catcher according to claim 1, it is characterized in that described papery filter bag (8), (8 ') only length different cross section are triangle, and the upper end is long rectangle, the lower end is leg-of-mutton closing bag, be converted into knuckle (18) under four angles of upper end, in the middle of the face length rectangle of upper end through hole is arranged, the periphery of through hole is pasted the backing plate (14) of fixing middle band through hole, backing plate intermediate throughholes place also is connected with elastic sealing strip (13), semicircle periphery (15) at the intermediate throughholes place is gone up the cut (16) that disconnects in addition, and the intermediate throughholes limit at no marking place has along being interrupted the movable tegillum (17) of cut bending energy.

4. the multi-dust collecting unit of dust catcher according to claim 1, it is characterized in that described senior filter is for long, short senior filter (5), (5 '), short senior filter (5 ') is a pallet shape, by interior, outer two layers of plastics clamping are formed, skin is soft TPE material, the how pleated plane that the framework center fixed is made by filter paper, grade filter (5) that grows tall is for oval, the how pleated cylinder of making by filter paper in the center fixed of framework, many pleated centres have fixed mount (4) and through hole to communicate with motor cavity, and lower surface edge is also pasted and is fixed with sealing ring (2).