CN202908619U

CN202908619U - Dual-purpose dust collector suitable for dry dust and wet dust

Info

Publication number: CN202908619U
Application number: CN 201220467421
Authority: CN
Inventors: 汪波
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2012-09-14
Filing date: 2012-09-14
Publication date: 2013-05-01
Anticipated expiration: 2022-09-14

Abstract

A dual-purpose dust collector suitable for dry dust and wet dust comprises a dust collecting drum and a dust collecting power portion. The dust collecting power portion is arranged on the upper portion of the dust collecting drum and comprises a base, a dust collecting air channel turbine cover, a motor, a motor cover and an outer cover. The motor comprises a middle shaft, the outer cover comprises a first air inlet and a first air outlet, and the motor cover is arranged between the dust collecting air channel turbine cover and the outer cover. The motor cover comprises at least one bending portion, and the bending portion is provided with a vertically downward opening to form a second air inlet and communicated with the second air inlet and a circular opening of the motor cover. The dust collecting air channel turbine cover and the motor cover form an independent air channel and have a good sound isolation effect, and the bending portion on the motor cover enables noise to be attenuated in a transmission process, and therefore the dual-purpose dust collector has a good noise reducing effect.

Description

A kind of Wet-dry dust catcher

Technical field

The utility model relates to the Wet-dry dust catcher, especially has the independently Wet-dry dust catcher of electric motor cooling duct.

Background technology

Existing dust catcher product, majority are by the wall extension of dust catcher outer cover part and base member wall extension, and the dust catcher inner space is divided into two parts.Part space enters passage as cooling air, and another part is as the cooling air-out passage.Enclosing cover has air intake vent and air outlet.The dust catcher extraneous air enters from the air intake vent of outer cover part during machine operation, arrives motor internal through the cooling air passage, is discharged by motor again and arrives outside motor through the cooling air air-out passage.Although the noise that the cooling effect that can reach like this, motor produce can directly radiate by air intake vent and air outlet, partial noise also can see through outer cover part to diffusion, and this air channel often exists wind shielding structure to affect cooling effect simultaneously.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of independently air channel to reduce motor to the noise of external radiation.

For addressing the above problem, the utility model provides a kind of Wet-dry dust catcher, it comprises: dust bucket, the dust suction power part, described dust suction power part places described dust bucket top, it is characterized in that: described dust suction power part comprises base, dust absorbing air passage snail lid, motor, motor cover, outer cover, motor comprises axis, outer cover comprises the first air inlet and the first air outlet, motor cover is between dust absorbing air passage snail lid and outer cover, motor cover comprises at least one kink, the opening that kink has straight down forms the second air inlet, and kink is communicated with the second air inlet and motor cover circular open.

Preferably, motor cover places the dust absorbing air passage snail to cover with dust absorbing air passage snail lid and forms an airtight air channel.

Preferably, airtight air channel comprises air intake passage, motor room, air-out passage.

Preferably, kink is communicated with the second air inlet and motor cover circular open.

Preferably, air-out passage is communicated with motor room's exhaust outlet and the second air outlet.

Preferably, air-out passage is arc.

Preferably, the second air outlet footpath to the midline with motor room's exhaust outlet footpath to the midline the projection on horizontal plane form an angle.

[0011]Preferably, top, motor room tool is followed successively by motor cover and outer cover.

Preferably, airtight air channel is communicated with the second air inlet and the second air outlet.

Preferably, described the second air inlet level height is lower than described the first air inlet.

When transmitting through motor cover kink air intake passage, the above-mentioned dried dust catcher noise that motor produces when operation that wets decays through reflecting at least one times, the opening of kink makes the downward direction propagation of partial noise straight down, and when being delivered to outside motor by the kink opening, the air intake vent noise that opening is lower than outer cover through decay after the refraction at least one times, exist arc air-out passage noise to decay through refraction at least one times through out-of-date between same motor room's exhaust outlet and the second row air port.Motor room and space outerpace are separated with motor cover, outer cover, and noise is delivered to space outerpace through two-layer obstruct and decreases with respect to existing individual layer barrier structure.

Description of drawings

Fig. 1 is that the utility model relates to dried wet dust catcher side view

Fig. 2 removes outer cover power part view

Fig. 3 is that power part is along the B-B cross section view

Fig. 4 is the motor cover schematic diagram

Fig. 5 is dust absorbing air passage snail lid schematic diagram

Fig. 6 is that power part is along the C-C cross section view

Fig. 7 is the power part cross sectional representation

Fig. 8 removes outer cover power part top view

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further detailed:

With reference to a kind of Wet-dry dust catcher shown in Figure 1, it comprises dust suction power part 1, and dust bucket 2, dust suction power part 1 place dust bucket 2 tops, and dust suction power part top is provided with handle 3.

Comprise base 10, outer cover 11, motor cover 13, dust absorbing air passage snail lid 14, motor 15 with reference to Fig. 2 and dust suction power part shown in Figure 3.Motor has axis 151, cooling fan blade 152, and cooling fan blade 152 is positioned at motor axis 151 upper ends.Outer cover 11 places and forms cavity 4 on the base 10, and outer cover 11 lower edge are provided with the first air inlet 111 and the first air outlet 112, the first air inlets 111 and the first air outlet 112 and are communicated with 4 with cavity respectively.

Place on the base 10 with reference to Fig. 2 and dust absorbing air passage snail shown in Figure 3 lid 14 and to form dust absorbing air passages 5 with base 10, this dust absorbing air passage 5 has dust suction wind entrance 101, dust suction fan blade 153 places motor axis 151 bottoms, motor cover 13 places on the dust absorbing air passage snail lid 14 and forms airtight air channel 16(with reference to Fig. 6), airtight air channel 16 comprises motor room 6, horizontal air inlet duct 137, vertical air inlet duct 138, with arc air-out passage 8(with reference to Fig. 5), separate by motor cover 13 and cavity 4 16 inner spaces, airtight air channel, and be communicated with cavity 4 by the second air inlet 136 and the second air outlet 9.Motor room 6 is surrounded by the annular wall 141 of dust absorbing air passage snail lid 14 and the downward wall extension 139 of motor cover 13, and motor 15 places 6 centers, motor room, and axis 151 runs through bottom circular aperture 7, and motor top is connected with circular open 134.6 tops, motor room are provided with motor cover 13 and outer cover 11, and 6 bottoms, motor room are provided with dust absorbing air passage snail lid 14 and base 10, and noise sees through and passes once decay of motor cover 13 noises generation when part is upwards propagated, and produces the attenuation of the second kind through outer cover 11.

Be integrated moulding with reference to motor cover 13 shown in Fig. 2-4, outer rim is provided with outer wall 132, groove structure 133 and protuberance 130.Motor cover 13 is provided with circular open 134, and circular open 134 radial outsides are provided with arc inwall 135, and arc inwall 135 1 ends are connected with outer wall 132.Circular open 134 makes progress, radially outward forms kink 131 along axis 151, and kink 131 bottoms are provided with the second air inlet 136 and are communicated with circular open 134, and the height of the second air inlet 136 is lower than the first air inlet 111.Kink 131 has horizontal air inlet duct 137 and vertical air inlet duct 138, during noise transmission horizontal duct 137 and vertically 138 junctions, air channel produce the unirefringence decay and propagate downwards along vertical air channel 138, produce for the second time through the second air outlet 135 during to the first air outlet that refraction decays because kink 131 second air inlets 136 level heights are lower than the first air inlet 111 sound waves simultaneously.

Cover 14 peripheries with reference to dust absorbing air passage snail shown in Figure 5 and be higher than central area formation wind guide tank 142, wind guide tank 142 starts from inclined-plane 143 and ends at exhaust duct 144.Wind guide tank 142 has two spaces that cave inward and forms gap 145, and wind guide tank 142 is provided with muscle 140, and muscle 140 extends to gap 145 both sides.The dust absorbing air passage snail is covered 14 central areas and is provided with semi-circular wall 146 and arcuate wall 147, and semi-circular wall 146 both sides are provided with baffle plate 148, and baffle plate 148 extends radially outwardly to wind groove inwall 149 and is connected with muscle 140, and 148 on two baffle plates form arc air-out passage 8.

Embed in the motor cover groove structure 133 with reference to muscle 140, semi-circular wall 146, baffle plate 148 after Fig. 5 and this programme shown in Figure 6 assembling.The dust absorbing air passage snail is covered 14 arcuate wall 147 and places arc inwall 135 inboards, and arcuate wall 147 openings form motor room's exhaust outlet 61.Arc air-out passage wound motor chambers 68, wind guide tank gap 145 forms the second air outlet 9 with motor cover protuberance 130, and arc air-out passage 8 is communicated with motor room's exhaust outlet 61 and the second air outlet 9.Noise is decayed through reflecting at least one times when logical 8 roads of arc air-out are outwards propagated.

With reference to Fig. 6 and Fig. 7 the second air outlet 9 footpaths to the midline with motor room's exhaust outlet 61 footpaths to the midline the angle of in the horizontal direction projection be a.

Dust-absorbing airflow sucks dust suction fan blade 153 through dust suction wind entrance 101 and then enters dust absorbing air passage 5 during with reference to Fig. 3 and motor shown in Figure 6 15 operation, and is finally outside to dust catcher by exhaust duct row 144.Motor axis 151 terminal cooling fan blades 152 are rotated in the cavity 4 inner negative pressure that produce simultaneously, the air of cooling motor sucks cavity 4 through the first air inlet 111, enter vertical air channel 138 and horizontal duct 137 by the second air inlet 136, enter motor 15 inside by circular open 134 and cooling fan blade 152 subsequently, then enter arc air-out passage 8 through motor room's exhaust outlet 61, finally enter space outerpace by the second air outlet 9 and the first air outlet 112, first air inlet 111 of cooling-air on outsides cover of electric machinery 11 enters airtight air channel 16 by the second air inlet 136 in the said process, discharges airtight air channel 16 through the second air outlet 9.

Motor room and space outerpace are separated with motor cover, outer cover, and noise sees through two-layer obstruct and is delivered to space outerpace generation decay, will be through at least one times refraction decay when people having a common goal's air intake passage and air-out passage are outwards propagated.The utility model is with respect to existing dust catcher noise decline 3-4 decibel.

Above-mentioned is the utility model one preferred embodiment, but the utility model is not to be defined in this.Those skilled in the art within not breaking away from claim scope of the present utility model, all can do change and modification, and therefore protection domain of the present utility model is as the criterion with the claim limited range.

Claims

1. Wet-dry dust catcher, it comprises: dust bucket, dust suction power part, described dust suction power part places described dust bucket top, it is characterized in that: described dust suction power part comprises base, dust absorbing air passage snail lid, motor, motor cover, outer cover, motor comprises axis, and outer cover comprises the first air inlet and the first air outlet, and motor cover is between dust absorbing air passage snail lid and outer cover, motor cover comprises at least one kink, and the opening that kink has straight down forms the second air inlet.

2. a kind of Wet-dry dust catcher according to claim 1 is characterized in that: described motor cover places the dust absorbing air passage snail to cover and dust absorbing air passage snail lid forms an airtight air channel.

3. a kind of Wet-dry dust catcher according to claim 2, it is characterized in that: described airtight air channel comprises air intake passage, motor room, air-out passage.

4. a kind of Wet-dry dust catcher according to claim 1, it is characterized in that: kink is communicated with the second air inlet and motor cover circular open.

5. a kind of Wet-dry dust catcher under according to claim 3, it is characterized in that: described air-out passage is communicated with motor room's exhaust outlet and the second air outlet.

6. a kind of Wet-dry dust catcher according to claim 3, it is characterized in that: described air-out passage is arc.

7. a kind of Wet-dry dust catcher according to claim 5 is characterized in that: described the second air outlet footpath to the midline with motor room's exhaust outlet footpath to the midline the projection on horizontal plane form an angle.

8. a kind of Wet-dry dust catcher according to claim 3 is characterized in that: described motor room top tool is followed successively by motor cover and outer cover.

9. according to claim 2 to the described a kind of Wet-dry dust catcher of 8 arbitrary claims, it is characterized in that: described airtight air channel is communicated with the second air inlet and the second air outlet.

10. a kind of Wet-dry dust catcher according to claim 1, it is characterized in that: described the second air inlet level height is lower than described the first air inlet.