CN109157158A

CN109157158A - Dust catcher

Info

Publication number: CN109157158A
Application number: CN201811080764.0A
Authority: CN
Inventors: 桑树华; 杨明富; 郜元刚
Original assignee: Suzhou Ousheng Electrical Ltd By Share Ltd
Current assignee: Suzhou Ousheng Electrical Ltd By Share Ltd
Priority date: 2016-11-08
Filing date: 2016-11-08
Publication date: 2019-01-08
Also published as: CN106377205B; CN106377205A

Abstract

A kind of dust catcher, its filter device includes filter mounting, cartridge filter, end cap, end cap has the stomidium of perforation, filter mounting is equipped with the center pillar across stomidium, filter device further includes cap, cap is equipped with cover board, annular side plate, multiple convex blocks, end cap is equipped with bottom plate, multiple the first side walls, multiple second sidewalls, baffle, opening, retaining wall, the sliding slot for being located at the first side wall periphery is separately formed between bottom plate and baffle, convex block is limited to rotate between retaining wall and opening, each the first side wall and the staggered distribution of each second sidewall, each baffle and the staggered distribution of each second sidewall, opening is separately formed between one end of each second sidewall and one end of each baffle, the first side wall extends from retaining wall second side edge against direction of rotation, second sidewall extends from the first lateral margin of retaining wall along direction of rotation.

Description

Dust catcher

[technical field]

The present invention relates to a kind of dust catchers, especially with respect to the filter device of the dust catcher.

[background technique]

Dust catcher is common household cleaning equipment, has the function of separating dust and clast from air.At present Until, filter device is the most frequently used and most effective realization gas, dirt separation solution, performance of the filter device for dust catcher Extremely important, the present invention provides a kind of dust catcher with improved filter device.

[summary of the invention]

The problem to be solved by the invention is to provide a kind of dust suctions of filter device high with packaging efficiency, structure is practical Device.

In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of dust catcher, including dust bucket, installation In dust bucket upper end and the head of motor is had, head downside is installed on and is contained in the filter device of dust bucket, filter device Including filter mounting, the cartridge filter being sheathed on the outside of filter mounting, the end cap positioned at cartridge filter one end, the outside of cartridge filter Face forms spaced ridge, and the end cap has the stomidium of perforation, and filter mounting is equipped with the center pillar across stomidium, filtering dress Setting further includes being installed on the cap that can be rotated on the outside of end cap and around the axis for passing through stomidium, and the cap is equipped with cover board, one The annular side plate for being connected to cover board periphery, the multiple convex blocks extended radially inwardly from side plate, the end cap are equipped with bottom plate, Duo Ge One side wall, multiple second sidewalls bend the baffle extended from each the first side wall, are open, are connected between bottom plate and baffle Retaining wall separately forms the sliding slot for being located at the first side wall periphery between the bottom plate and baffle, the first side wall and baffle, which are constituted, to be slided The cell wall of slot, convex block can be packed into opening again along a direction of rotation around described along the direction to parallel to the axis when mounting cap is placed on end cap Axis is rotated into sliding slot, and retaining wall and opening are located at the opposite end of baffle, and convex block is limited to rotate between retaining wall and opening, and each the One side wall and the staggered distribution of each second sidewall, each baffle and the staggered distribution of each second sidewall, one end of each second sidewall with The opening is separately formed between one end of each baffle, the retaining wall includes away from the first lateral margin of center pillar and positioned at the first side The second lateral margin between edge and center pillar, the first side wall extend from the second lateral margin against direction of rotation, and second sidewall is from the first lateral margin Extend along direction of rotation.

The present invention defines the end cap and the structure of cap phase mounting structure and restriction cap rotation of vacuum cleaner filtering equipment, Clever structure is practical, cap quickly and easily can be installed on end cap, keeps the packaging efficiency of filter device higher.

Preferably, the retaining wall is vertical and is integrally connected to bottom plate.

Preferably, the side of the opening has the first guide ramp positioned at baffle, the opposite other side of the opening With the 5th guide ramp for being located at second sidewall, first guide ramp and the 5th guide ramp are packed into guide convex block Opening.

Preferably, the side of the opening has the second guide ramp positioned at baffle, and convex block can be in the second guide ramp The lower abjection opening of guiding.

Preferably, the two sides of the convex block are respectively equipped with the 6th guide ramp for being packed into opening to guide convex block.

Preferably, the end cap also sets the cantilevered leg integrally extended respectively from each the first side wall, and each cantilevered leg is located at recessed It falls into region, the cap is fixed with the multiple pushing portions integrally extended from cover board, and the cap is along the rotation side To during being rotated about axis, each pushing portion follows cap to rotate, and pushes corresponding cantilevered leg mobile to clamp center pillar to center pillar.

Preferably, the pushing portion is perpendicular to cover board.

Preferably, the clamping piece includes that the elastic portion integrally extended from end cap and own elasticity portion extend further out Clamping part, each clamping piece clamp center pillar by set clamping part.

Preferably, the cap is against in the direction of rotation rotary course, bullet of each clamping part in corresponding elastic portion To the mobile clamping to release center pillar in the direction far from center pillar under power effect.

Preferably, the outer rim of the second sidewall and the outer rim of baffle are on same circumference.

These features and advantages of the invention will the detailed exposure in following specific embodiment, attached drawing.

[Detailed description of the invention]

Following further describes the present invention with reference to the drawings:

Fig. 1 is the perspective view of dust catcher of the present invention；

Fig. 2 is the partial cutaway view schematic of Fig. 1；

Fig. 3 is the perspective view of filter device of the present invention；

Fig. 4 is the exploded view of Fig. 3；

Fig. 5 is that Fig. 3 removes the perspective view after cap；

Fig. 6 be mono- angle of Fig. 3 longitudinal sectional view (section is parallel to axis b)；

Fig. 7 be another angle of Fig. 3 part amplify longitudinal sectional view (section is parallel to axis b)；

Fig. 8 is the transverse sectional view of mono- angle of Fig. 3 (section is in the state of being clamped perpendicular to axis b, center pillar)；

Fig. 9 is the transverse sectional view of another angle of Fig. 3 (for section perpendicular to axis b, center pillar is released from clamping)；

Figure 10 is the top view of end cap；

Figure 11 is the perspective view of an angle of end cap；

Figure 12 is the bottom view of end cap；

Figure 13 is the perspective view of another angle of end cap；

Figure 14 is the perspective view of one angle of cap；

Figure 15 is the top view of cap；

Figure 16 is the perspective view of another angle of cap.

[specific embodiment]

The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art Obtained other embodiments without making creative work, belong to protection scope of the present invention.

Referring to figs. 1 to shown in Fig. 3, dust catcher has dust barrel 1, head 2, filter device 3.Dust barrel 1 offers air inlet 10, The bottom of dust barrel 1 is set there are four castor 11.Head 2 is installed on 1 upper end of dust barrel and (does not scheme with motor (not shown), impeller Show), gas outlet.Filter device 3 is contained in dust barrel 1, and filter device 3 is fluidly connected between air inlet 10 and impeller, to Filter dust.When dust catcher works, motor driven impeller, which generates negative pressure, makes the air-flow of inclusion of dirt flow into dust barrel from air inlet 10 1, head 2 is flowed into after the filtering of filter device 3, then dust catcher is discharged via gas outlet.

Referring to shown in Fig. 3 to Figure 16, filter device 3 includes filter mounting 4, the mistake for being sheathed on 4 outside of filter mounting Filter cylinder 92, the end cap 6 for being connected to 92 one end of cartridge filter, cap 7, the sealing ring 8, end ring 90, pallet for being installed on 6 outside of end cap 91.End ring 90 and end cap 6 are located at the opposite end of cartridge filter 92, and end ring 90 is connected to the upper end of cartridge filter 92, and end ring 90 uses Flexible material, is sealed in 91 lower end of pallet periphery, and pallet 91 is locked in 2 lower end surface of head.End cap 6 has the stomidium 60 of perforation, One end of the correspondence end cap 6 of filter mounting 4 is equipped with the center pillar 40 across stomidium 60.End cap 6 is equipped with multiple to compress center pillar 40 clamping piece 61, for cap 7 along a direction of rotation a in 40 rotary course of center pillar, cap 7 pushes each clamping piece 61 to center pillar 40 movements make these clamping pieces 61 clamp center pillar 40.For the present invention in 7 rotary course of cap, cap 7 pushes clamping piece 61 gradually It is moved to center pillar 40 and finally clamps center pillar 40, convenient and efficient, easy to use, 40 good fixing effect of center pillar can also form end The state that clamping piece 61 on cap 6 is supported by cap 7 and center pillar 40, conducive to being fixed to each other between cap 7 and end cap 6.Cap 7 is inverse In a rotary course of direction of rotation, each clamping piece 61 is to the mobile clamping to release center pillar 40 in the direction far from center pillar 40.This The quantity of clamping piece 61 is two in embodiment, is only example, quantity is not limited, and can according to need setting.

It is rotated when cap 7 rotates around the axis b for passing through stomidium 60 and cap 7, in present embodiment, axis b is The center line of cartridge filter 92 is also the center line of center pillar 40, and axis b passes through center pillar 40, and center pillar 40 is parallel to axis b.Cap 7 is solid Surely multiple pushing portions 70 are equipped with, pushing portion 70 and clamping piece 61 correspond, and in 7 rotary course of cap, each pushing portion 70 is followed Cap 7 rotates.When cap 7 is in a first position (ginseng Fig. 8, center pillar 40 is clamped at this time), each pushing portion 70 is towards center pillar 40 Compressing corresponding clamping piece 61 makes these clamping pieces 61 clamp center pillar 40, and cap 7 is rotated around center pillar 40 to one the from first position During two positions (ginseng Fig. 9, at this point, center pillar 40 is released from clamping), each pushing portion 70 follows the rotation of cap 7 and multiple clamping pieces 61 to far from the mobile clamping to release center pillar 40 in 40 direction of center pillar.First position, the second position are proposed to just In description technique scheme, Fig. 8, Fig. 9 are only a kind of examples, and first position need to only correspond to the state that center pillar 40 is clamped, second Position need to only correspond to the state that center pillar 40 is released from clamping.

For cap 7 along direction of rotation a in 40 rotary course of center pillar, each pushing portion 70 follows cap 7 to rotate, and pushes and corresponds to Clamping piece 61 so that multiple clamping pieces 61 is clamped center pillars 40 to center pillar 40 is mobile.Clamping piece 61 is equipped with away from the side of center pillar 40 62, cap 7 along direction of rotation a in 40 rotary course of center pillar, each pushing portion 70 along corresponding clamping piece 61 side 62 Sliding, and side 62 is pushed to push corresponding clamping piece 61 mobile to center pillar 40.

The side 62 of clamping piece 61 is convex surface, and in a rotation process of direction of rotation, pushing portion 70 successively slips over cap 7 An arbitrary first area and a second area on side 62；When cap 7 is in any between first position and the second position When position, the distance of axis b of the second area apart from cap 7 is greater than distance of the first area apart from axis b.Cap 7 is in the Each pushing portion 70 sticks on a third region on the convex surface of corresponding clamping piece 61 respectively when one position, and cap 7 is in second Each pushing portion 70 sticks on a fourth region on the convex surface of corresponding clamping piece 61 respectively when setting, cap 7 be in first position with The distance of axis b of the second area apart from cap 7 is greater than first area apart from axis b's when any position between the second position Distance.

It by the region that pushing portion 70 slips over include in perpendicular to the area Ge Xian in a plane of axis b on side 62 Domain, i.e. line region are to be intersected on the plane and side 62 by the region that pushing portion 70 slips over；Cap 7 is located at first When setting, pushing portion 70 is sliding less than after pushing portion 70 along the distance of the point that the direction of rotation a is first slipped over to axis b on line region Distance of the point crossed to axis b；When cap 7 is in the second position, pushing portion 70 is first along the direction of rotation a on line region The distance of the point slipped over to axis b are less than the point that slips over after the direction of rotation a of pushing portion 70 to the distance of axis b；When When cap 7 is in any position between first position and the second position, pushing portion 70 first slips on line region point to axis b Distance be less than pushing portion 70 after slip over point second point to axis b distance.

Clamping piece 61 is integrated the cantilevered leg for being connected to end cap 6, is in bending, extends perpendicularly to the axis of cap 7 b.Clamping piece 61 includes the elastic portion 63 integrally extended from end cap 6 and the clamping part 64 that own elasticity portion 63 extends further out, Each clamping piece 61 clamps center pillar 40 by set clamping part 64.Cap 7 is respectively clamped against in a rotary course of direction of rotation Portion 64 is mobile to the direction far from center pillar 40 under the elastic force effect of corresponding elastic portion 63, to release the folder of center pillar 40 It holds.Side 62 is set to clamping part 64, and pushing portion 70 pushes clamping part 64 mobile to center pillar 40 by the deformation of elastic portion 63.Folder It holds portion 64 and is additionally provided with the concave surface 65 back to convex surface, deformation mouth 66, concave surface 65 presses on center pillar when each clamping piece 61 clamps center pillar 40 40, concave surface 65 is in the arc adaptable with the gabarit of center pillar 40, preferably arc-shaped.Clamping part 64 is in far from the direction axis b The arc of protrusion.Mouth 66 is deformed between convex surface and concave surface 65, to reduce deformation when clamping part 64 forms.Clamping part 64 For a part of cam, have the effect of similar cam, convex surface is cam surface, cap 7 in a rotary course of direction of rotation, The amplitude that pushing portion 70 compresses clamping piece 61 to center pillar 40 or axis b is increasing, so that clamping piece 61 is more next apart from center pillar 40 Closer and finally clamp center pillar 40, the region distance axis b of the free end of the clamping piece 61 on convex surface belonging to be proximate to is remoter.

Clamping piece 61 is additionally provided with the first block reinforcement 67, and the first block reinforcement 67 protrudes from concave surface 65.Center pillar 40 is equipped with head 41, clamping Part 61 by clamping head 41 to clamp center pillar 40, when clamping piece 61 be in clamp head 41 state when, the first block reinforcement 67 In head 41 upside and along the projection of axis b, (projection along axis b is that projecting direction is parallel to the throwing of axis b with head 41 Shadow) it is least partially overlapped, it is designed in this way when clamping clamping piece 61 to the frictional force on head 41 not enough or center pillar 40 is by external force Pull-up, the first block reinforcement 67 can backstop in the upside of head 41 to prevent head 41 from being detached between each clamping piece 61.In present embodiment In, the first block reinforcement 67 is set to clamping part 64.Clamping piece 61 is additionally provided with the third that guiding center pillar 40 is inserted between these clamping pieces 61 Guide ramp 68, third guide ramp 68 are tilted relative to axis b, and third guide ramp 68 and stomidium 60 tilt relatively, third A part of guide ramp 68 constitutes the upper side of the first block reinforcement 67.Third guide ramp 68 is located at 61 upside of clamping piece, and sets In corresponding clamping part 64.When convex block 72 is located in opening 54, projection of first block reinforcement 67 with head 41 along axis b is staggered It opens, center pillar 40 freely can be inserted into or be detached between each clamping piece 61 at this time.

End cap 6 be equipped with from its outer side to the sunk area 50 of 92 sunken inside of cartridge filter, corresponding sunk area 50 bottom plate 51, Multiple the first side walls 52, from each the first side wall 52 bending extend baffle 53, opening 54, retaining wall 55, multiple second sidewalls 56, First annular muscle 590.The first side wall 52 extends from bottom plate 51, is arc-shaped；Second sidewall 56 is extended from bottom plate 51, in circle Arc, second sidewall 56 are disposed around 40 periphery of center pillar, and the internal diameter of second sidewall 56 is greater than the outer diameter of the first side wall 52；Retaining wall 55 connects It is connected between bottom plate 51 and baffle 53, retaining wall 55 is vertical and is integrally connected to bottom plate 51.The first side wall 52, second sidewall 56, gear Plate 53, opening 54, retaining wall 55, first annular muscle 590 are located in sunk area 50, and the outer diameter of cap 7 is less than sunk area 50 Internal diameter, cap 7 is located at or part is located in sunk area 50.It is right with each baffle 53 that bottom plate 51 is equipped in the periphery of the first side wall 52 The multiple ports 570 for the perforation bottom plate 51 answered separately form between port 570 and baffle 53 and are located at 52 periphery of the first side wall Sliding slot 571 separately forms the sliding slot 571 for being located at 52 periphery of the first side wall, the first side in other words between bottom plate 51 and baffle 53 Wall 52 and baffle 53 constitute the cell wall of sliding slot 571.Baffle 53 along axis b projection by corresponding port 570 along the projection of axis b Covering, since baffle 53 is in sunk area 50, baffle 53 demoulds relatively difficult when forming, the setting of port 570 is convenient for molding It is demoulded when baffle 53 along axis b, so that the molding of baffle 53 becomes easy；Baffle 53 is equipped with guiding convex block 72 and enters the of opening 54 The second guide ramp (not shown) of one guide ramp 530 and the guiding abjection of convex block 72 opening 54, the first guide ramp 530 are located at The downside of second guide ramp and with the second guide ramp be in splayed；Convex block 72 is limited in opening 54 after entering opening 54 (circumferential size that the circumferential size of opening 54 is less than convex block 72)；When cap 7 is separated end cap 6, need to apply certain external force, Opening 54 can be strutted certain amplitude under the guiding of the second guide ramp to deviate from opening 54 by convex block 72.In present embodiment, Convex block 72 can be caught in opening 54 along axis b when assembling, therefore the 54 pairs of convex blocks 72 that are open have certain retentivity, are conducive to convex block 72 When being open 54 position, cap 7 is held in end cap 6；The two sides of convex block 72, which are respectively equipped with, is packed into opening 54 to guide convex block 72 The 6th guide ramp 720.Baffle 53 and clamping piece 61 are located at the two opposite sides of the first side wall 52；Baffle 53 is from each the first side wall 52 extend radially outwardly.Sliding slot 571 along the circumferentially extending for surrounding axis b, the extending direction and baffle 53 of sliding slot 571 perpendicular to Axis b.

Clamping piece 61 extends from the first side wall 52, and the first side wall 52 is disposed around 40 periphery of center pillar, and the first side wall 52 is in circle The elastic portion 63 of arc, clamping piece 61 is integrally connected to the first side wall 52.At the outer rim of second sidewall 56 and the outer rim of baffle 53 In (i.e. the two outer diameter is equal) on same circumference.

56 staggered points of each the first side wall 52 and the staggered distribution of each second sidewall 56, each baffle 53 and each second sidewall Cloth separately forms the opening 54 between one end of each second sidewall 56 and one end of each baffle 53, retaining wall 55, which has, to deviate from First lateral margin 551 of center pillar 40 and the second lateral margin 550 between the first lateral margin 551 and center pillar 40, the first side wall 52 is from Two lateral margins 550 extend against direction of rotation a, and second sidewall 56 extends from the first lateral margin 551 along direction of rotation a.Retaining wall 55 with Opening 54 is located at the opposite end of sliding slot 571, and convex block 72 is limited to rotate between retaining wall 55 and opening 54, to limit cap 7 Rotation angle, cap 7 is unable to 360 degree rotation.Retaining wall 55 and opening 54 are located at the opposite end of baffle 53.Second sidewall 56 is set There is guiding convex block 72 to enter the 5th guide ramp 560 of opening 54, the 5th guide ramp 560 is located at the first guide ramp 530 The two opposite sides of opening 54, the 5th guide ramp 560 and the second guide ramp are located at the two opposite sides of opening 54.

Cap 7 is extended radially inwardly equipped with cover board 73, the annular side plate 71 for being integrally connected to 73 periphery of cover board, from side plate 71 Multiple aforementioned convex blocks 72.Install cap 7 when end cap 6 convex block 72 can along the direction for the b that parallels to the axis be packed into opening 54 further around Axis b is rotated into sliding slot 571；When convex block 72 is located in sliding slot 571 baffle 53 recline convex block 72 and be located at convex block 72 and cover board Between 73；The end of side plate 71, which extends radially outwardly, is formed with annular flange 710, and flange 710 is equipped with to far from 51 direction of bottom plate The annular groove 711 of recess, stomidium 60, each the first side wall 52, each port 570 are located in the region that first annular muscle 590 is enclosed, the One circular bar 590 enters in annular groove 711 and compresses the sealing ring 8 in annular groove 711, convex block to far from 51 direction of bottom plate 72 press on baffle 53 when being located in sliding slot 571.First annular muscle 590 can also be set to cap 7, correspondingly, annular groove 711 is set to End cap 6.Stomidium 60 is irregular shape, and clamping piece 61 is covered along projection of the projection by stomidium 60 along axis b of axis b, by Sunk area 50 is in clamping piece 61, and clamping piece 61 demoulds relatively difficult when forming, stomidium 60 is arranged such not only for center pillar 40 pass through, and also have the function of convenient for demoulding when damper for forming 53, so that the molding of baffle 53 becomes easy.

Side plate 71 and cover board 73 form accommodating chamber, and pushing portion 70 is contained in accommodating chamber and integrally extends from cover board 73, convex Block 72 is contained in accommodating chamber and integrally extends from side plate 71.Pushing portion 70 extends along the direction for being parallel to axis b, 72 edge of convex block Extend perpendicular to the direction of axis b.Baffle 53, the first side wall 52, second sidewall 56, clamping piece 61 are contained in accommodating chamber.Cap 7 Several reinforcing ribs 76 are additionally provided with, reinforcing rib 76 is connected between cover board 73 and pushing portion 70, and reinforcing rib 76 is also connected to side plate 71 Between pushing portion 70.

Pushing portion 70 is equipped with the second block reinforcement 700 towards the side of center pillar 40, when clamping piece 61 is in the shape of clamping center pillar 40 When state, the adjacent upside positioned at clamping piece 61 of the second block reinforcement 700 is simultaneously least partially overlapped along the projection of axis b with clamping piece 61, To when external force makes the clamping of the clamping piece 61 to be upwardly separated from of center pillar 40, due to rubbing between center pillar 40 and clamping piece 61 Wipe power, center pillar 40 will drive clamping piece 61 and is deflected up, 700 backstop clamping piece 61 of the second block reinforcement and inhibit clamping piece 61 upwards partially Tiltedly.When clamping piece 61 is in the state for clamping center pillar 40, the second block reinforcement 700 reclines or with clamping piece 61 along the gap of axis b For 0mm-3mm, preferably 0.5mm or 1mm.When convex block 72 is located in opening 54, the second block reinforcement 700 is with clamping piece 61 along axis The projection of b is staggered, so that the second block reinforcement 700 does not interfere convex block 72 to be packed into opening 54.Pushing portion 70 is equipped with to compress side Face 62 compresses face 701, and compressing face 701 is the curved surface to match with side 62, and the second block reinforcement 700 protrudes from the face of compressing 701, supports Pressure surface 701 it is preferred can to compress face 701 are as follows: compress face 701 and be more proximate to corresponding clamping piece 61 to be arc-shaped or non-radiused The region distance axis b of elastic portion 63 is closer.

Cap 7 is additionally provided with the third block reinforcement 702 positioned at the downside of clamping piece 61, clamping piece 61 and about 702 third block reinforcement It reclines or there is a upper and lower gap, when clamping piece 61 is in the state for clamping center pillar 40 and/or when convex block 72 is located at opening 54 When interior, clamping piece 61 is Chong Die along the projection section of axis b with third block reinforcement 702, thus, 702 backstop clamping piece 61 of third block reinforcement And inhibit 61 downwards of clamping piece.Third block reinforcement 702 is 0mm-3mm along the gap of axis b with clamping piece 61, preferably 0.5mm or 1mm.Third block reinforcement 702 is connected between each pushing portion 70.Third block reinforcement 702 is from cover board 73 along the side for the b that parallels to the axis To integrally extending, and it is connected between pushing portion 70.

Cap 7 is additionally provided with several guide members 74 and the second circular bar 75.Guide member 74 is located at 7 inside of cap and is distributed in end 60 periphery of hole, guide member 74 are equipped with the 4th guide ramp 740 that guiding center pillar 40 is inserted into stomidium 60.Stomidium 60 and each guide member 74 In the range of the delineation of the second circular bar 75, each guide member 74 is in 75 integrally connected of the second circular bar, and the first side wall 52 is along axis The projection of line b is covered by the second circular bar 75 along the projection of axis b, and port 570 also is located at the periphery of the second circular bar 75, the Second ring muscle 75 is in circular ring shape.

It is in frame-type that it is whole, which to join Fig. 4, Fig. 5 filter mounting 4, and vertical muscle 42 and vertical muscle 42 equipped with longitudinal arrangement are integrally formed And circular bar 43, the bottom wall 44 of intersection, bottom wall 44 and bottom plate 51 are spaced relatively, center pillar 40 extends from 44 central integral of bottom wall. 92 lateral surface of cartridge filter forms spaced ridge 920 or fold, and the hole of filtering dust is distributed with.

In the present invention, "upper", "lower", " side ", "inner", "outside" are that relative position is retouched in icon to each object It states, but these wordings are not to limit component, composition, region etc.；For quantity, multiple is only example, be can according to need Setting.

More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, is familiar with this The technical staff in field should be understood that the present invention including but not limited to attached drawing and above content described in specific embodiment.Appoint The modification for why not deviateing function and structure principle of the invention is intended to be included in the range of claims.

Claims

1. a kind of dust catcher, including filter mounting, the cartridge filter being sheathed on the outside of filter mounting, positioned at cartridge filter one end End cap, the end cap have the stomidium of perforation, and filter mounting is equipped with the center pillar across stomidium, it is characterised in that: filter device It further include being installed on the cap that can be rotated on the outside of end cap and around the axis for passing through stomidium, the cap is equipped with cover board, integrally connects The annular side plate for being connected to cover board periphery, the multiple convex blocks extended radially inwardly from side plate, the end cap are equipped with bottom plate, multiple first Side wall, bends the baffle extended, the gear for being open, being connected between bottom plate and baffle from each the first side wall at multiple second sidewalls Wall, separately forms the sliding slot for being located at the first side wall periphery between the bottom plate and baffle, retaining wall is located at the phase of baffle with opening Anti- both ends, convex block are limited to rotate between retaining wall and opening, each the first side wall and the staggered distribution of each second sidewall, each baffle and each The staggered distribution of second sidewall separately forms the opening between one end of each second sidewall and one end of each baffle, opening Be connected to sliding slot, the retaining wall include away from center pillar the first lateral margin and the second lateral margin between the first lateral margin and center pillar, The first side wall extends from the second lateral margin against direction of rotation, and second sidewall extends from the first lateral margin along direction of rotation.

2. dust catcher according to claim 1, it is characterised in that: the retaining wall is vertical and is integrally connected to bottom plate.

3. dust catcher according to claim 1, it is characterised in that: the side of the opening has leads positioned at the first of baffle Draw inclined-plane, the opposite other side of the opening has the 5th guide ramp positioned at second sidewall, first guide ramp with 5th guide ramp is packed into opening to guide convex block.

4. dust catcher according to claim 1, it is characterised in that: the side of the opening has leads positioned at the second of baffle Draw inclined-plane, convex block can deviate from opening under the guiding of the second guide ramp.

5. dust catcher according to claim 1, it is characterised in that: the two sides of the convex block are respectively equipped with to guide convex block It is packed into the 6th guide ramp of opening.

6. dust catcher according to claim 1, it is characterised in that: the end cap is also set from each the first side wall integrally prolongs respectively The cantilevered leg of stretching, each cantilevered leg are located in sunk area, and the cap is fixed with from what cover board integrally extended and multiple supports Pushed section, during the cap is rotated about axis along the direction of rotation, each pushing portion follows cap to rotate, and pushes corresponding Cantilevered leg is mobile to clamp center pillar to center pillar.

7. dust catcher according to claim 6, it is characterised in that: the pushing portion is integrally upwardly extended from cover board.

8. dust catcher according to claim 1, it is characterised in that: the end cap is equipped with multiple clampings to compress center pillar Part, the clamping piece include the elastic portion integrally extended from cap and the clamping part that own elasticity portion extends further out, each folder Gripping member clamps center pillar by set clamping part.

9. dust catcher according to claim 8, it is characterised in that: the cap is against the direction of rotation rotary course In, each clamping part is under the elastic force effect of corresponding elastic portion to the mobile clamping to release center pillar in the direction far from center pillar.

10. dust catcher according to claim 1, it is characterised in that: at the outer rim of the second sidewall and the outer rim of baffle In on same circumference.