CN204200619U - Subtract dirty type air bells exhauster - Google Patents

Abstract

The utility model discloses one and subtract dirty type air bells exhauster, comprise housing and frustoconic shape air draught body, housing comprises wind inlet end, outlet air end and intermediate section, motor is provided with in intermediate section, be provided with in wind inlet end rotate fan, rotate fan comprise body, wind inlet end have diminish gradually along wind movement direction before internal channel, outlet air end has and becomes large rear internal channel gradually along wind movement direction, and intermediate section has straight passage; Frustoconic shape air draught body comprises the removal of impurities steel mesh be connected with wind inlet end, the outer frustoconic shape cover of removal of impurities steel mesh air intake side surface soldered and interior frustoconic shape cover, body is respectively equipped with outer air inducing hole and interior air inducing hole near outward edge and inside edge, rectify wind direction cover for conducting body place cover being established to a circular arc before motor, bottom inner walls, be provided with the removal of impurities wet sponge of adsorbing contaminant.Frustoconic shape air draught body is large to the amount of collecting of wind, and front internal channel is conducive to wind being concentrated on rotation fan place, and this rotation fan can strengthen rear output by wind-force, and removal of impurities wet sponge can reduce atmospheric pollution.

Description

Subtract dirty type air bells exhauster

Technical field

The utility model relates to mechanical engineering field, especially relates to one and subtracts dirty type air bells exhauster.

Background technique

Blower fan is generally used for and improves indoor air environment, transport gas etc.And existing blower fan generally comprises housing and the motor be located in housing is fanned with rotating, but existing motor wind-force is little, and transmission speed is slow, and efficiency is low; In particular for the ventilation under the rugged environment such as chemical plant, its weak effect, cannot gas in time in discharge chamber, threaten to the health of people, rotate fan rotation makes wind impact housing generation noise simultaneously, affects the mood of people, is also unfavorable for the interchange of people.The impurity discharge chambers such as the dust also existed in the wind in this external chemical plant also can pollute the air of outdoor outward.

Model utility content

The utility model is in order to overcome the deficiencies in the prior art, and provide a kind of defeated air quantity large, what efficiency was high subtracts dirty type air bells exhauster.

To achieve these goals, the utility model is by the following technical solutions: one subtracts dirty type air bells exhauster, comprise housing, described housing forward end is wind inlet end, rear end is outlet air end, housing forms intermediate section between wind inlet end and outlet air end, motor is provided with in intermediate section, be provided with in wind inlet end and rotate fan, motor comprises the rotating shaft connecting and rotate fan, this rotation fan comprise be sheathed on body outside rotating shaft and with the fan blades being located at body periphery, described wind inlet end have diminish gradually along wind movement direction before internal channel, outlet air end has and becomes large rear internal channel gradually along wind movement direction, intermediate section has the straight passage being communicated with front internal channel and rear internal channel, the air inlet of described wind inlet end connects a frustoconic shape air draught body, this frustoconic shape air draught body comprises the removal of impurities steel mesh be connected with wind inlet end, outer frustoconic shape is overlapped and be located at outer ring overlap in frustoconic shape cover, one end that outer frustoconic shape cover and interior frustoconic shape overlap opening less is all welded with removal of impurities steel mesh, and described outer frustoconic shape cover and interior frustoconic shape form quick air inducing gap between overlapping, described body is provided with outer air inducing hole near outer edge, body is provided with interior air inducing hole near inside edge, outer air inducing hole is greater than interior air inducing hole, and fan blades bends to arc along rotating fan sense of rotation, is provided with the wind direction steering channel identical with fan blades bending direction along its length in the middle of fan blades, rectify wind direction cover for conducting body place cover being established to a circular arc before described motor, this wind direction cover for conducting is provided with the through hole passed for rotating shaft, form a resettlement groove along wind movement direction bottom described inner walls, be provided with the removal of impurities wet sponge of adsorbing contaminant in this resettlement groove, this removal of impurities wet sponge has the end face flushed with inner walls.Frustoconic shape air draught body is conducive to collecting of air quantity, and front internal channel is conducive to wind to concentrate on wind inlet end, and move after then rotarily driving wind with rotation fan, the rear internal channel increased gradually then can make wind naturally blow out outside housing, reduces the obstruction to wind; Inside and outside frustoconic shape cover forms Twin channel, and main air body covers in housing from interior frustoconic shape, and the wind near interior frustoconic shape cover edge then enters in body by quick air inducing gap, and the guiding of quick air inducing gap to wind is effective; Wind loss is little, and the rotation of rotation fan can drive the wind fast rotational in quick air inducing gap to enter in housing, and increase the wind-force of blower fan, also increase defeated air quantity, improve the defeated wind area to indoor, air improves better effects if; And air inducing hole can form eddy current in rotary course, wind is gathered and rotates on fan, a part is passed from air inducing hole, another part then passes housing along the finedraw between fan blades under the rotarily driving rotating fan, inside and outside air inducing hole then increases air output, and air draught better effects if, the wind passed from air inducing hole can be directed on normal orbit by wind direction cover for conducting, avoids impacting motor and causes air quantity loss; And the rotation fan of this setting and wind direction steering channel can increase absorbing quantity, wind gathering amount is larger, and air-out effect is better, improves the efficiency of blower fan; Removal of impurities steel mesh can carry out tentatively filtering the impurity reduced in air to the air of indoor discharged to outdoor; Removal of impurities sponge then can be adsorbed impurity such as the dusts in wind, and advantages of good adsorption effect, extent of adsorption is large, and avoid causing atmospheric pollution, the end face of removal of impurities sponge flushes with lid inwall, avoids removal of impurities sponge to have an impact to the wind in blower fan.

As preferably, connecting ring before described removal of impurities steel mesh front surface periphery forms, described wind inlet end front portion is provided with a back clevis be connected with front connecting ring.This structure can facilitate the installing/dismounting of frustoconic shape air draught body, and cleaning is got up convenient, also facilitates taking-up break-in to remove sound cover simultaneously and clears up it, keep the filtering effect to air.

As preferably, the bottom of described housing connects a base, and this base comprises the supporting portion be connected with housing.Stably blower fan can be placed on ground bottom this.

In sum, the utility model has the following advantages: frustoconic shape air draught body is large to the amount of collecting of wind, front internal channel is conducive to the wind after by removal of impurities and concentrates on rotation fan place, and the rotation fan of this structure exports after being strengthened by wind-force, increase air output, rear internal channel then can make wind naturally blow out outside housing, and reduce the loss of air quantity, removal of impurities wet sponge can reduce atmospheric pollution.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is rotation fan structure schematic diagram of the present utility model;

Fig. 3 is frustoconic shape air draught body structure schematic diagram of the present utility model.

Embodiment

In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technological scheme in the utility model embodiment.

As Figure 1-3, one subtracts dirty type air bells exhauster, the frustoconic shape air draught body 4 comprising columnar housing 1 and be connected with housing, and described housing 1 front end is wind inlet end 11, housing 1 rear end is outlet air end 12, and housing 1 forms intermediate section 13 between wind inlet end 11 and outlet air end 12; Be provided with motor 2 in intermediate section 13, motor 2 is fixed in housing 1 by fixing frame, is provided with and rotates fan 3 in described wind inlet end 11, and motor 2 comprises the rotating shaft connecting and rotate fan 3; This rotation fan 3 comprise be sheathed on body 31 outside rotating shaft and with the fan blades 32 being located at body 31 periphery.Described body 31 is provided with outer air inducing hole 311 near outer edge, and body 31 is provided with interior air inducing hole 312 near inside edge, and this outer air inducing hole 311 and interior air inducing hole 312 are long strip, and all distribute along body circumference, concrete, interior air inducing hole is 5, and outer air inducing hole is 7; Outer air inducing hole 311 is greater than interior air inducing hole 312, and fan blades 32 bends to arc along rotation fan 3 sense of rotation, is provided with the wind direction steering channel 321 of arc in the middle of fan blades 32 along its length, and this wind direction steering channel 321 and fan blades 32 bending direction, angle are all identical; Before described motor 2, the wind direction cover for conducting 21 of a circular arc established by end shield, this wind direction cover for conducting 21 is just arranged body 31 place, and then can the wind passing air inducing hole be guided, wind energy is made normally to discharge blower fan, also increase air quantity simultaneously, this wind direction cover for conducting 21 is provided with the through hole passed for rotating shaft, and this guide housing 21 is screwed with motor and is connected.The bottom of described housing 1 connects a base 7, and this base 7 comprises the supporting portion 71 be connected with housing 1 intermediate section.

Concrete, described wind inlet end 11 have diminish gradually along wind movement direction before internal channel, outlet air end 12 has and becomes large rear internal channel gradually along wind movement direction, and intermediate section 13 has the straight passage being communicated with front internal channel and rear internal channel, described frustoconic shape air draught body 4 is connected to the air inlet of wind inlet end 11, this frustoconic shape air draught body 4 comprises the removal of impurities steel mesh 41 be connected with wind inlet end 11, outer frustoconic shape cover 42 and the interior frustoconic shape cover 43 be located in outer ring cover 42, outer frustoconic shape cover 42 and interior frustoconic shape overlap the less one end of 43 openings all with removal of impurities steel mesh 41 air intake side surface soldered, described outer frustoconic shape cover 42 and interior frustoconic shape form quick air inducing gap between overlapping 43, connecting ring 44 before described removal of impurities steel mesh 41 front surface periphery forms one, described wind inlet end 11 front portion is provided with a back clevis 45 be connected with front connecting ring 44, concrete, back clevis 45 is provided with rear attachment hole, and front connecting ring is provided with the bolt be connected with back clevis.Described interior frustoconic shape cover 43 is positioned at outer frustoconic shape cover 42, the wind of interior frustoconic shape channel edge can be introduced in quick air inducing gap and carry by this quick air inducing gap, increases defeated air quantity, also increases defeated wind area, larger to the air-filtering area of indoor, quantity delivered also increases.

Further, described wind inlet end 11 inwall is provided with break-in except sound cover 6, this break-in is made up of rubber material except sound overlaps 6, and surface coverage one layer of cloth, layer of cloth is to the advantages of good adsorption effect of the impurity of dust, the soundproof effect of rubber layer is good, and housing wind inlet end 11 inwall is provided with the recess of an accommodation rubber layer, break-in can be conveniently settled to remove sound cover, also conveniently can pull down break-in except sound cover and clean, this break-in is provided with cross section air inducing triangular in shape subtracts dirty ring except sound overlaps 6 inwalls, this air inducing subtracts dirty ring and has inclination air inducing face along from wind movement direction to intermediate, inclined, and then can collect along this inclination air inducing towards centre wind is out-of-date, wind effect is good, and air inducing subtracts dirty ring is three, along wind movement direction spaced set, and adjacent air inducing subtracts between dirty ring large to the extent of adsorption of the impurity such as dust, and it is stable.In addition a resettlement groove is formed along wind movement direction bottom described inner walls, this resettlement groove is positioned at bottom the inwall of intermediate section 13, the removal of impurities wet sponge 8 of adsorbing contaminant is provided with in this resettlement groove, this removal of impurities wet sponge 8 has the end face flushed with inner walls, namely this removal of impurities wet sponge 8 is sponge block, and this sponge block is the wet sponge block got wet, this removal of impurities wet sponge 8 adsorbing contaminant area is large, advantages of good adsorption effect, can often from outlet air end or wind inlet end pour in resettlement groove water or can in and the liquid of harmful gas in wind, keep removal of impurities wet sponge moistening, and then keep the dust removing effects of removal of impurities wet sponge, certainly also can take out removal of impurities wet sponge from outlet air end 12 to clean, keep the turbidity test of removal of impurities sponge, avoid bacteria breed.

During use, part wind covers in housing 1 from frustoconic shape in frustoconic shape air draught body, another part is then from entering in housing 1 fast between interior frustoconic shape cover and outer frustoconic shape cover, partial impurities in the adsorbable wind of removal of impurities steel mesh 41, carry out primary purification to wind, then wind is assembled at wind inlet place, and break-in purifies wind again except sound overlaps 6, the impurity such as dust in absorption wind, discharges outlet air end along normal track the wind impacting housing subtracts the guiding of dirty ring and guide plate 5 at air inducing under.The defeated air quantity of blower fan of this structure is large, can remove impurity a large amount of in wind, avoid environment to external world, and noise be little, can not affect the normal communication of indoor people.

Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.

Claims (3)

1. one kind subtracts dirty type air bells exhauster, comprise housing (1), described housing (1) front end is wind inlet end (11), rear end is outlet air end (12), housing (1) is positioned between wind inlet end (11) and outlet air end (12) and forms intermediate section (13), motor (2) is provided with in intermediate section (13), be provided with in wind inlet end (11) and rotate fan (3), motor (2) comprises the rotating shaft connecting and rotate fan (3), this rotation fan (3) comprises and is sheathed on body (31) outside rotating shaft and the fan blades (32) peripheral with being located at body (31), it is characterized in that: described wind inlet end (11) have diminish gradually along wind movement direction before internal channel, outlet air end (12) has and becomes large rear internal channel gradually along wind movement direction, intermediate section (13) has the straight passage being communicated with front internal channel and rear internal channel, (11) of described wind inlet end connect a frustoconic shape air draught body (4), this frustoconic shape air draught body (4) comprise be connected with wind inlet end removal of impurities steel mesh (41), outer frustoconic shape cover (42) and the interior frustoconic shape cover (43) be located in outer ring cover (42), outer frustoconic shape cover (42) and the less one end of interior frustoconic shape cover (43) opening are all welded with removal of impurities steel mesh (41), form quick air inducing gap between described outer frustoconic shape cover (42) and interior frustoconic shape cover (43), described body (31) is provided with outer air inducing hole (311) near outer edge, body (31) is provided with interior air inducing hole (312) near inside edge, outer air inducing hole (311) is greater than interior air inducing hole (312), fan blades (32) bends to arc along rotating fan sense of rotation, is provided with the wind direction steering channel (321) identical with fan blades (32) bending direction along its length in the middle of fan blades (32), described motor (2) is front rectifies the wind direction cover for conducting (21) body (31) place cover being established to a circular arc, and this wind direction cover for conducting (21) is provided with the through hole passed for rotating shaft, form a resettlement groove along wind movement direction bottom described inner walls, be provided with the removal of impurities wet sponge (8) of adsorbing contaminant in this resettlement groove, this removal of impurities wet sponge (8) has the end face flushed with inner walls.

2. according to claim 1ly subtract dirty type air bells exhauster, it is characterized in that: connecting ring (44) before described removal of impurities steel mesh (41) front surface periphery forms, described wind inlet end (11) front portion is provided with a back clevis (45) be connected with front connecting ring (44).

3. according to claim 1ly subtract dirty type air bells exhauster, it is characterized in that: the bottom of described housing connects a base (7), this base (7) comprises the supporting portion (71) be connected with housing (1).