CN102217917A

CN102217917A - Mesh filter used for cyclone collector

Info

Publication number: CN102217917A
Application number: CN201010149850XA
Authority: CN
Inventors: 吕小明
Original assignee: Ecovacs Robotics Suzhou Co Ltd
Current assignee: Ecovacs Robotics Suzhou Co Ltd
Priority date: 2010-04-14
Filing date: 2010-04-14
Publication date: 2011-10-19

Abstract

The invention discloses a mesh filter used for a cyclone collector, which comprises a side surface cartridge filter. The side surface cartridge filter is formed by the encircling of a first side wall and a bottom plate; a plurality of first filter holes are arranged in the side wall; and a plurality of second filter holes are arranged in the bottom plate. The mesh filter used for the cyclone collector can be used for effectively reducing the phenomena of fur twisting and concealing of an air inlet at the side surface and improve the cleaning performance.

Description

The rotoclone collector mesh filter

Technical field

The present invention relates to a kind of filter, especially a kind of rotoclone collector mesh filter.

Background technology

In the prior art, the dust catcher of a quasi-representative is a rotoclone collector, as shown in Figure 1, be a cyclone dust bucket dust catcher side sectional view.This cyclone dust bucket dust catcher comprises upstream cyclone separator 1a and downstream cyclone separator 2a, is communicated with by gas passage 3a between described upstream cyclone separator 1a and the downstream cyclone separator 2a.Described upstream cyclone separator 1a has the first whirlwind bucket 6a, the sidewall of the described first whirlwind bucket 6a is provided with the first pump orifice 7a, the air-flow that has dust is from entering in the first whirlwind bucket 6a the interior coaxial cylindric or coniform filter screen 13a that is provided with of the first whirlwind bucket 6a here.Described first pump orifice becomes tangential setting with respect to the madial wall of the first whirlwind bucket 6a, makes the air that enters from the first pump orifice 7a enter the first whirlwind bucket 6a to become tangential direction with sidewall, so that set up eddy current in cyclone separator 1a inside, upstream.Filter screen 13a is arranged on the first whirlwind bucket 6a central authorities, and its upper end links to each other with the roof of the first whirlwind bucket 6a by dividing plate 14a.The described first whirlwind bucket 6a inside also is provided with dust bucket 5a, and described dust bucket 5a extends between the dust mouth 11a of upstream cyclone separator 1a bottom and downstream cyclone separator, and with the tight fit of filter screen 13a.The air-flow that passes through from filter screen 13a further enters each downstream cyclone separator 2a by the gas channel 3 that is arranged between upstream cyclone separator 1a and the downstream cyclone separator 2a.

The filter screen 13a that uses among Fig. 1, only has filtering holes in the side, in the prior art, also has the another kind of filter that is used for dust catcher, as Fig. 2, shown in Figure 3, Fig. 2 has represented a filter 10a who has a columnar member 12a, is provided with a porous member 14a in columnar member, and Fig. 3 has represented to constitute the part of the wallboard 26 of porous member 14a with cutaway view.Wallboard 26a has an air-flow and meets surperficial 28a and a plurality of through hole 30a.When work, air-flow passes through through hole along arrow 32a direction.Flange portion 18a is made in the lower edge of filter 10a, be used for reducing obstruction amount among the porous member 30a of filter 10a and tiny grit amount by hole 30a.

But aforesaid filter all is to open filtering holes in the side, and this class dust catcher in use, after sucking a certain amount of ash, the vacuum of cyclone dust bucket dust catcher can descend, and the filter that has mesh in the cyclone dust bucket twines hair easily, causes the clean-up performance of cyclone dust bucket dust catcher to descend.

Summary of the invention

The technical problem to be solved in the present invention is, a kind of rotoclone collector mesh filter is provided, and is used for effectively reducing the phenomenon that the side air inlet hole twines hair, hides hair.

For solving above-mentioned technical problem, the invention provides a kind of rotoclone collector mesh filter, comprise the side cartridge filter, this side cartridge filter is enclosed by a first side wall and a base plate and forms, and described sidewall is provided with a plurality of first filtering holes; It is characterized in that described base plate is provided with a plurality of second filtering holes, the aperture of described second filtering holes is 1-3mm.

Preferably, at the end that the described side of base plate cartridge filter is set one dust retaining ring is arranged, the end of described dust retaining ring is one open, and described dust retaining ring and described base plate flexibly connect, and connects as adopting buckle/draw-in groove.

Better, described base plate, dust retaining ring, the first side wall one connect.

Preferably, described mesh filter also comprises filter chamber, this filter chamber is enclosed by second sidewall and forms, one end of described the first side wall with fix by an end of second sidewall, the other end of described second sidewall is a connecting interface, be provided with a plurality of buckles in the outside of described connecting interface, the raised ring that the outer rim of second sidewall of described filter chamber is provided with a week or many weeks is used to connect.

Beneficial effect of the present invention is: the cyclone dust tube that mesh filter of the present invention was applied in, can effectively reduce the phenomenon that the side air inlet hole twines hair, hides hair, and improve its clean-up performance.

Description of drawings

Fig. 1-Fig. 3 is the mesh filter of prior art;

Fig. 4 is the overall structure schematic diagram of mesh filter of the present invention;

Fig. 5 is applied in fundamental diagram in the cyclone dust tube for mesh filter of the present invention;

Fig. 6 A-Fig. 6 B is the overall structure schematic diagram of mesh filter embodiment one of the present invention.

The specific embodiment

Mesh filter provided by the invention comprises side cartridge filter and filter chamber, as shown in Figure 4, is the overall structure schematic diagram of mesh filter of the present invention.Described side cartridge filter comprises the first side wall 11, rounded base plate (not shown) that is provided with a plurality of second filtering holes and dust retaining ring 13, described dust retaining ring 13 comprises bottom 12, on base plate 12, be provided with a plurality of holes corresponding 121 with second filtering holes, and be provided with cambered inwards groove 122 and elastic circlip 131, accordingly, be provided with wedge-shaped slot on base plate, the bottom 12 and the base plate of described dust retaining ring 13 offset, and the elastic circlip on the bottom 12 is stuck in the described wedge-shaped slot.During installation, pinch jump ring 131 and rotate described dust retaining ring 13, jump ring 131 is stuck in the wedge-shaped slot on the base plate.Hole 121 on the bottom 12 is corresponding with second filtering holes on the base plate.Described the first side wall 11 is provided with a plurality of first filtering holes 111.The aperture of described second filtering holes 121 is 1-3mm.

In another kind of connected mode, described the first side wall, base plate and dust retaining ring are respectively independent component, the base plate face is provided with a plurality of second filtering holes and is two draw-in grooves of symmetry with the center of circle, one end of described dust retaining ring is open, the other end have with base plate on corresponding two buckles of draw-in groove, described buckle is fastened in the described draw-in groove.And the first side wall is connected with dust retaining ring by screw thread or buckle/draw-in groove.

Described filter chamber is enclosed by second sidewall 21 and forms, described second sidewall 21 encloses filter chamber 2 one ends that form and fixedlys connected with described the first side wall 11, the other end is a connecting interface, and described second sidewall 21 encloses the filter chamber 2 connecting interface ends that form and is provided with a plurality of buckles 211.The raised ring 212 that the outer rim of second sidewall 21 of described filter chamber is provided with a week or many weeks is used to connect.

Fig. 5 is applied in fundamental diagram in the cyclone dust tube for mesh filter of the present invention.As Fig. 5, in conjunction with shown in Figure 4, when motor 10 was driven, the suction air that contains dust was imported in the dirt chamber 30 of cyclone dust bucket along " A " direction, again along " B " direction, sucked air and was pasting dirt chamber interior walls spiral.Major part contained second filtering holes 121 that the air of dust passes on the base plate 12 along " C1 " direction and entered mesh filter 40 inside this moment; Fraction contains first filtering holes 111 that the air of dust passes on the first side wall 11 along " C2 " direction and enters mesh filter 40 inside; Most dust granule is blocked in bottom, dirt chamber.Enter taper hole filter 50 through mesh filter filtered air 40 first time along " D " direction, the air process in taper hole filter 50 that contains dust is filtered for the second time, passing dust filter cotton 60 along " E " direction filters for the third time, enter in the motor 10 along " F " then, pass HEPA filter 70 along " G " direction at last and discharge the cyclone dust bucket.

Wherein, " C1 " direction is the air-flow direction that produces by second filtering holes 121 on the base plate 12.

When not increasing by second filtering holes 121, the air that contains dust can enter mesh filter 40 inside along the direction of " C2 ", first filtering holes 111 is easy to produce and twines hair, a Tibetan hair phenomenon, thereby has influence on the vacuum of cyclone dust bucket, makes its clean-up performance descend fast.

When mesh filter 40 increased by second filtering holes 121, the air that major part contains dust passed second filtering holes 121 along " C1 " direction and enters mesh filter 40 inside, and dust is directly got off for 13 grades by shelves dirt ring, stays 30 bottoms, dirt chamber.Little air enters mesh filter 40 inside along the direction of " C2 ", and it has reduced the risk that first filtering holes 111 twines hair, hides hair.Only under the situation about reaching capacity in dirt chamber 30 or second filtering holes 121 all blocked after, first filtering holes 111 begins hair to occur twining, hides a hair phenomenon.

Fig. 6 A-Fig. 6 B is for the overall structure schematic diagram of mesh filter embodiment one of the present invention, and shown in Fig. 6 A-Fig. 6 B, different with above-mentioned mesh filter is that described the first side wall 11 ', base plate 12 ' and dust retaining ring 13 ' are formed by connecting for one.

The cyclone dust tube that mesh filter of the present invention was applied in can effectively reduce the phenomenon that the side air inlet hole twines hair, hides hair, improves its clean-up performance.

It should be noted that at last: above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that, still can make amendment and be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.

Claims

1. a rotoclone collector mesh filter comprises the side cartridge filter, and this side cartridge filter is enclosed by a first side wall and a base plate and forms, and described sidewall is provided with a plurality of first filtering holes; It is characterized in that described base plate is provided with a plurality of second filtering holes.

2. rotoclone collector mesh filter as claimed in claim 1 is characterized in that, the aperture of described second filtering holes is 1-3mm.

3. rotoclone collector mesh filter as claimed in claim 1 or 2 is characterized in that, at the end that the described side of base plate cartridge filter is set one dust retaining ring is arranged.

4. rotoclone collector mesh filter as claimed in claim 3 is characterized in that, the end of described dust retaining ring is one open.

5. rotoclone collector mesh filter as claimed in claim 3 is characterized in that, described base plate, dust retaining ring, the first side wall one connect.

6. rotoclone collector mesh filter as claimed in claim 3 is characterized in that, described dust retaining ring and described base plate flexibly connect.

7. rotoclone collector mesh filter as claimed in claim 1, it is characterized in that, described mesh filter also comprises filter chamber, this filter chamber is enclosed by second sidewall and forms, one end of described the first side wall with fix by an end of second sidewall, the other end of described second sidewall is a connecting interface.

8. rotoclone collector mesh filter as claimed in claim 6 is characterized in that, is provided with a plurality of buckles in the outside of described connecting interface.

9. rotoclone collector mesh filter as claimed in claim 6 is characterized in that, the raised ring that the outer rim of second sidewall of described filter chamber is provided with a week or many weeks is used to connect.