The exhaust and filtration apparatus of dust catcherTechnical field
The invention belongs to a kind of dust catcher, be specifically related to a kind of filtering exhaust device of dust catcher.
Background technology
Dust catcher is a kind of household electrical appliance of indoor cleaning health, is used for removing the dust in ground, carpet, wall, furniture, clothing and various slits.In general; Dust catcher 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 that dust catcher is inner discharges, and forms instantaneous vacuum in the inside of dust catcher, 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, is discharged to the dust catcher outside again from the gas outlet in the dust bucket of body.Like this, just reach the effect of dust out, clean floor.The suction rate of dust catcher is divided into a plurality of retainings that control, and adapts to the scope of operation of different cleaning objects such as ground, bed surface, carpet, sofa, corner, so that aspirate dust everywhere better.
Profile classification according to dust catcher can be divided into vertical type dust collector, horizontal dust collector and portable dust collector etc.For dust catcher; No matter be vertical type dust collector or horizontal dust collector or portable dust collector; All be provided with the dust collect plant of assembling dust and foreign matter at inner of dust catcher body, inner dust of assembling of dust collect plant and foreign matter need regularly to remove, to guarantee the normal use of dust catcher.
Shown in Fig. 1~2, thebody 1 of horizontal dust collector generally comprises parts such asbody 1, power knob 2,sponge cover 3,winder button 4, protecgulum (not shown),bonnet 5,castor 6,drain pan 7 and support 8.Preceding tops is provided with hose coupling, and thedust compartment 9 of inhalation (inhalatio) is gathered in 7 li formation of the drain pan of thebonnet 5 that is connected with protecgulum below protecgulum, is arranged with power knob 2,winder button 4 respectively at the middle part, andbonnet 5 is provided with exhaust sponge cover 3.Be provided with the seal groove that seals with protecgulum indrain pan 7 edges below the protecgulum, can filling sealed cushion rubber in it.Two madial walls ofdrain pan 7 are respectively equipped with cross rib plate and the vertical floor into the square crossing of strengtheningdrain pan 7 intensity, and cross rib plate and vertical floor all are vertical formation of two madial walls with drain pan 7.Be respectively equipped with in two outsides ofdrain pan 7 and make thetransportable castor 6 of dust catcher, below protecgulum, be provided withfilter mounting 8.
Below the middle part ofbody 1,bonnet 5, be provided withfilter core storehouse 10, filter core (not shown) is installed in thefilter core storehouse 10, and the air that has minute dust and foreign material that dust catcher is discharged filters again, and the air after the filtration is discharged from the dust catcher outside.End infilter core storehouse 10 is provided withbaffle plate 11, and when filter core was installed infilter core storehouse 10, the top of filter core contacted withbaffle plate 11.
When the energized dust catcher is worked; Motor of dust collector and fan running also produce suction; The air that contains foreign substances such as dust gets into dust collect plant through hose coupling, removes the dust and the foreign material of larger particles through cyclone separator, again behind filter element filtering; Foreign substances such as dust lodge in the dust bucket, air are discharged the engine body exterior of dust catcher.
But there is following shortcoming in the dust collect plant of the dust catcher of prior art:
In the exhaust and filtration apparatus of dust catcher, because filter core is installed in the filter core storehouse or is not installed in the filter core storehouse, bonnet can cover; Therefore when the user when using dust catcher, clear up filter core after, if forget filter core is put into the filter core storehouse; Still can close bonnet, form " no container closure ", in this case; If continue to use dust catcher, will cause adverse consequences.
Summary of the invention
The present invention proposes for the shortcoming that overcomes the prior art existence, and its objective is provides a kind of filtering exhaust of dust catcher device.
Technical scheme of the present invention is: a kind of filtering exhaust device of dust catcher, and described dust catcher comprises parts such as body, bonnet and drain pan, below the middle part of body, bonnet, is provided with the filter core storehouse; End in the filter core storehouse is provided with baffle plate, and the filtering exhaust device is installed in the filter core storehouse, and the filtering exhaust device comprises filter core frame, filter core, button and spring(-supported) mount; End at the filter core frame forms handle and button groove; The other end at the filter core frame forms the filter core support body, and the filter core support body is connected with spring(-supported) mount, in the filter core frame, filter core is installed; Side at filter core forms block and contact, in spring(-supported) mount, is provided with spring.
The contact is the rectangular convexity with constant slope.The gradient direction of contact is towards the opposite side of filter core.One end of spring is fixed on the spring(-supported) mount, and the other end contacts with baffle plate.
The present invention has avoided " no container closure ", thereby has eliminated the hidden danger of maloperation owing to be provided with the filtering exhaust device.
Description of drawings
Fig. 1 is the structural perspective that the horizontal dust collector of prior art removes protecgulum;
Fig. 2 is the vertical view that the horizontal dust collector of prior art removes the part-structure of bonnet;
Fig. 3 is the stereogram of filtering exhaust device of the present invention;
Fig. 4 is the stereogram of filter core frame of the present invention;
Fig. 5 is the stereogram of filter core of the present invention;
Fig. 6 is along the profile of A-A line among Fig. 5.
Wherein:
1 body, 2 power knobs
3 sponge covers, 4 winder buttons
5 bonnets, 6 castors
7 drain pans, 8 supports
9 dust compartments, 10 filter core storehouses
11 baffle plates, 15 filtering exhaust devices
16 filter core framves, 17 filter cores
18 buttons, 19 spring(-supported) mounts
20 springs, 21 handles
22 filter core support bodys, 23 button grooves
24 blocks, 25 contacts
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the filtering exhaust device of dust catcher of the present invention is elaborated:
In the accompanying drawings, the parts that the present invention is identical with prior art use identical symbol.
Shown in Fig. 3~6, a kind of filtering exhaust device of dust catcher, described dust catcher comprise parts such asbody 1, power knob 2,sponge cover 3,winder button 4, protecgulum (not shown),bonnet 5,castor 6,drain pan 7 and support 8.Preceding tops is provided with hose coupling, thebonnet 5 that is connected with protecgulum, and thedust compartment 9 of dust and other impurities is gathered in 7 li formation of the drain pan below protecgulum, and dust buckets (not shown) are installed in thedust compartment 9.
Below the middle part ofbody 1,bonnet 5, be provided withfilter core storehouse 10, the end infilter core storehouse 10 is provided withbaffle plate 11, and filteringexhaust device 15 is installed in filter core storehouse 10.Filtering exhaust device 15 comprisesfilter core frame 16,filter core 17,button 18 and spring(-supported) mount 19.End atfilter core frame 16forms handle 21 andbutton groove 23, and at the other end formation filtercore support body 22 offilter core frame 16, filtercore support body 22 is connected with spring(-supported) mount 19.Filter core 17 is installed infilter core frame 16, and in theside formation block 24 and thecontact 25 offilter core 17,contact 25 is the rectangular convexities with constant slope, and its gradient direction is towards the opposite side of filter core 17.Button 18 is installed inbutton groove 23, and the bottom ofbutton 18 contacts withcontact 25, in spring(-supported)mount 19, is provided withspring 20, and an end ofspring 20 is fixed on the spring(-supported)mount 19, and the other end contacts withbaffle plate 11.
When pushing thefilter core frame 16 thatfilter core 17 is installed in thefilter core storehouse 10; The front end offilter core frame 16 withstands spring(-supported)mount 19; Spring(-supported)mount 19 connectsspring 20 and withstands the outside power ofbaffle plate 11 generations again; And contact 25 balances each other for the power offilter core frame 16 and the power ofspring 20, and spring(-supported) mount is blocked, and dust catcher can carry out work.
When pressing thebutton 18,contact 25 breaks away from the bottom ofbutton 18, and this moment, equilibrium of forces was broken, and filtercore frame 16 is ejectedfilter core storehouse 10 because of receiving outside power.
When pushing thefilter core frame 16 that filtercore 17 is not installed in thefilter core storehouse 10; Because do not haveblock 24 and contact 25; Button also just blocks incessantly filtercore frame 16, and filtercore frame 16 is released fromfilter core storehouse 10 by the elastic force ofspring 20, and dust catcher can not carry out work; Thereby avoided " no container closure ", eliminated the hidden danger of maloperation.