CN103866725A - Blower-vacuum - Google Patents
Blower-vacuum Download PDFInfo
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- CN103866725A CN103866725A CN201210543854.5A CN201210543854A CN103866725A CN 103866725 A CN103866725 A CN 103866725A CN 201210543854 A CN201210543854 A CN 201210543854A CN 103866725 A CN103866725 A CN 103866725A
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- aerofoil fan
- wind chamber
- blower
- air inlet
- fan
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 13
- 241000883990 Flabellum Species 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The invention discloses a blower-vacuum. The blower-vacuum comprises a main machine shell and a motor arranged on the main machine shell, an air cavity is formed inside the main machine shell and an axial fan is axially arranged inside the air cavity; the motor is connected through a transmission mechanism and drives the axial fan; a smashing mechanism is formed between an air inlet of the air cavity and the axial fan. An axial fan of a large air volume is utilized, due to the fact that axial fan is axially arranged inside the air cavity and the central axis of the air cavity is linear, effects of air blowing and suction are enhanced and the air utilization rate is improved; meanwhile, leaves and dust are smashed by the smashing mechanism before being sucked into the air cavity, the volumes of the leaves and the dust become smaller and accordingly axial fan blocking caused by relatively large volumes of the sucked leaves or dust can be avoided, and the work efficiency of the blower-vacuum is improved.
Description
Technical field
The present invention relates to hand-hold operating apparatus, particularly relate to the blower for Horticultural.
Background technology
Blower is a kind of outdoor Clean-instrument, is mainly used in cleaning and the collection of fallen leaves, is therefore also referred to as foliage pressure-vacuum machine.
Usually, what the fan of blower adopted is the centrifugal fan that blast is higher, and when blower is during in blow mode, the high velocity air blowing out from admission pipe blows gathering by the leaf that becomes scattered about ground; When blower is during in air-breathing mode, under the High Rotation Speed of centrifugal fan, form inspiratory airflow ground leaf and dirt bits are sucked and enter gathering-device, complete the cleaning to ground leaf.
The blower wind flow that centrifugal fan is housed is little, can increase the time of blower work in the process of cleaning, causes the shortening of blower working life.And blower is in when work, the leaf of suction can be because volume be compared with causing greatly the obstruction of fan when through passing through fan, thereby affects the work of blower.
Summary of the invention
Based on this, be necessary to provide a kind of wind flow greatly, not susceptible to plugging blower.
A kind of blower, comprises host shell and the motor that is arranged at host shell, is formed with wind chamber in described host shell, and described wind is axially provided with aerofoil fan in chamber; Described motor connects by transmission mechanism and drives described aerofoil fan; Between the air inlet port in described wind chamber and described aerofoil fan, be provided with disintegrating mechanism.
In an embodiment, described aerofoil fan is tandem type multi-stage aerofoil fan therein.
Therein in an embodiment, described tandem type multi-stage aerofoil fan comprises the elementary aerofoil fan near air inlet port one end, described wind chamber, and the ultimate aerofoil fan of one end, gas outlet, close described wind chamber, described aerofoil fan increases gradually from elementary aerofoil fan to the flabellum diameter of whole level aerofoil fan.
Therein in an embodiment, the internal diameter in described wind chamber matches with the Axial-flow Fan diameter that is installed on correspondence position, and the internal diameter part that changes in described wind chamber is provided with smooth curve transition.
In an embodiment, between described aerofoil fan and described motor, be provided with gear therein, described gear is connected with described aerofoil fan and described motor respectively.
In an embodiment, the axis of described aerofoil fan and the axis of described motor are angle and arrange therein.
In an embodiment, the axis of described aerofoil fan and the axis of described motor are 90 ° and arrange therein.
In an embodiment, in described body shell, be provided with cooling fan therein, described cooling fan is just to described motor, and is connected with described motor by armature shaft.
In an embodiment, also comprise pressure-vaccum pipe therein, described pressure-vaccum pipe is removably connected and is communicated with described wind chamber with described body shell.
In an embodiment, the air inlet port in described wind chamber is identical with gas outlet cross sectional shape therein, and described pressure-vaccum pipe is removably connected in described air inlet port or gas outlet; When blower is during in air blowing state, described pressure-vaccum pipe is communicated with described wind chamber by described gas outlet; When blower is during in suction condition, described pressure-vaccum pipe is communicated with described wind chamber by described air inlet port.
Described in an embodiment, host shell is provided with protective cover at the air inlet port place in wind chamber therein, and described protective cover covers separably in described air inlet port.
In an embodiment, described body shell is provided with main switch therein, and described wind chamber is provided with connects with described main switch and controls the microswitch that main switch conducts.
Above-mentioned blower, is blowing under state, is arranged on the motor rotation of host shell, and drives and be attached thereto by transmission mechanism the aerofoil fan High Rotation Speed connecing, and in wind chamber, forms high velocity air, and the leaf on ground or dirt bits are gathered; When blower is inhaling when state, by the aerofoil fan negative pressure producing that runs up, thereby ground leaf or dirt bits are sucked in wind chamber, complete clean to ground; Adopt the large aerofoil fan of air quantity, by aerofoil fan is axially set in wind chamber, strengthened the effect of blowing and air draught, improved the utilization rate of wind; Simultaneously, leaf or dirt bits enter before wind chamber, and the disintegrating mechanism that is arranged on wind chamber air inlet port is first pulverized, and makes its smaller volume, avoid blower because the leaf that sucks or dirt bits volume are compared with causing greatly the obstruction of aerofoil fan, and then improved the operating efficiency of blower.
Accompanying drawing explanation
Fig. 1 is that the blower of an embodiment of the present invention is at the elevation blowing under state;
Fig. 2 is the blower of an embodiment of the present invention elevation under suction state;
Fig. 3 is the partial enlarged drawing that the present invention blows machine machine disintegrating mechanism;
Reference numeral: 10 body shell, 20 wind chambeies, 30 aerofoil fans, 40 motors, 50 pressure-vaccum pipes, 60 operating grips, 70 cloth bags, 102 gearboxes, 104 cooling fans, 106 armature shafts, 108 disintegrating mechanisms, 110 first microswitches, 114 second microswitches, 116 first axis of rotation, 202 wind chamber air inlet ports, 204 gas outlets, wind chamber, 206 protective covers, 208 compress projection, 302 elementary aerofoil fans, 304 whole grades of aerofoil fans, 602 main switches, 702 cloth bag interfaces.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
As shown in Figure 1-Figure 3, in one embodiment, a kind of blower, comprises host shell 10 and the motor 40 that is arranged at host shell 10, is formed with wind chamber 20, the interior aerofoil fan 30 that is axially provided with in described wind chamber 20 in described host shell 10; Described motor 40 connects by transmission mechanism and drives described aerofoil fan 30; Between the air inlet port 202 in described wind chamber and described aerofoil fan 30, be provided with disintegrating mechanism 108.
Above-mentioned blower, is blowing under state, and the motor 40 that is arranged on host shell 10 turns round, and drives and be attached thereto by transmission mechanism aerofoil fan 30 High Rotation Speeds that connect, and the interior formation high velocity air in wind chamber 20, gathers the leaf on ground or dirt bits; When blower is inhaling when state, by aerofoil fan 30 negative pressure producing that runs up, ground leaf or dirt bits suck in wind chamber 20 after disintegrating mechanism 108 is pulverized, and complete clean to ground.This blower adopts the large aerofoil fan of air quantity, by the interior aerofoil fan 30 that axially arranges in wind chamber 20, has improved the utilization rate of wind.Simultaneously, leaf or dirt bits enter before wind chamber 20, and the disintegrating mechanism 108 that is arranged on wind chamber air inlet port 202 is first pulverized, and makes its smaller volume, avoid blower because the leaf that sucks or dirt bits volume are compared with causing greatly the obstruction of aerofoil fan 30, and then improved the operating efficiency of blower.
In the present embodiment, the central axis in described wind chamber 20 linearly, has been strengthened the effect of blowing and air draught.
As shown in Figure 3, in the present embodiment, disintegrating mechanism 108 is line of cut; Certainly, disintegrating mechanism 108 can be also the disintegrating mechanism of blade or other types.
In the present embodiment, aerofoil fan 30 is tandem type multi-stage aerofoil fan, comprises the elementary aerofoil fan 302 near air inlet port 202 one end, described wind chamber, and the aerofoil fan 304 of level eventually of 204 one end, gas outlet, close described wind chamber.The flow direction of wind is parallel with the direction of axle, and fan is aerofoil fan, and multiple aerofoil fans are composed in series to multistage axial flow fan, not only can increase the wind flow of blower, can also increase the blast of blower.
In the present embodiment, described elementary aerofoil fan 302 to the flabellum diameter of whole level aerofoil fan 304 increases gradually, and air stream energy loss in the process that flows into ultimate aerofoil fan 304 that elementary aerofoil fan 302 is produced is little, and blast supercharging is large.Should be understood that, it is in order to increase blast that elementary aerofoil fan 302 increases gradually to the flabellum diameter of whole level aerofoil fan 304, even if but do not increase gradually, also not affecting that aerofoil fan 30 rotates and the object that forms air-flow, is not necessary so elementary aerofoil fan 302 to the flabellum diameter of level aerofoil fan 304 eventually increases gradually.Certainly, the number of the aerofoil fan of series connection can decide according to environment for use and cost, can be two and more than.
In the present embodiment, the internal diameter in described wind chamber 20 matches with the aerofoil fan 30 flabellum diameters that are installed on correspondence position, and the 20 internal diameters part that changes in described wind chamber is provided with smooth curve transition.What play a part herein in wind chamber 20 is air duct, the wind that it can leading axle flow fan 30 blows out flows along certain direction, keep watch and deliver to the region of appointment, the internal diameter in wind chamber 20 is designed to match with the aerofoil fan 30 flabellum diameters of correspondence position, can avoid the internal diameter in wind chamber 20 excessive, reduce the utilization rate of wind.The 20 internal diameters part that changes in described wind chamber is provided with smooth curve transition, and the wind that now aerofoil fan 30 blows out can be along the level and smooth output of the inwall in wind chamber 20, and the pipe being subject to resistance is little, has reduced the tube wall loss of wind in output procedure.
Between described aerofoil fan 30 and described motor 40, be provided with gear, described gear is connected with described aerofoil fan 30 and described motor 40 respectively.In the present embodiment, described gear is gearbox 102, described gearbox 102 is connected with the output of described motor 40, the mode that described aerofoil fan 30 can connect multiple gears in parallel by wire is connected with described gearbox 102, and in the time of power connection, motor 40 turns round, now gearbox 102 is also started working, and gearbox 102 carrys out the wind speed of regulation and control aerofoil fan 30 by the mode of multiple gear parallel connections, select different wind speed according to the difficulty or ease of cleaning, save cleaning cost.
The axis of the axis of described aerofoil fan 30 and described motor 40 is angle and arranges.Motor 40 is arranged on outside described wind chamber 20, and the axis of axis and described aerofoil fan 30 is angle and arranges, also that is to say, described motor 40 is not arranged on air current flow direction, the dirt bits that reduced blower suction in the time of work fall into the probability of motor 40, the application life of having improved motor 40 in the time of process wind chamber 20.In the present embodiment, described motor 40 is arranged at outside described wind chamber 20, avoids the dirt bits that suck to fall motor 40.In other embodiments, motor 40 also can be arranged in described wind chamber 20.
In an embodiment as shown in Figure 1, the axis of the axis of described aerofoil fan 30 and described motor 40 is 90 ° and arranges.Setting both can make the air port of motor 40 away from aerofoil fan 30 like this, avoided the dirt bits that blower sucks in the time of work when through wind chamber 20, to fall into motor 40, guaranteed the clean of motor 40 working environments; Be convenient to again arrange transmission mechanism, after the output of motor 40 is turned, be passed to aerofoil fan 30, as the present embodiment can adopt bevel gear set as transmission mechanism.
In one embodiment, described body shell 10 is interior can be provided with cooling fan 104, and described cooling fan 104 is just to described motor 40, and is connected with described motor 40 by armature shaft 106.In the time of motor 40 entry into service, drive the running of cooling fan 104 by armature shaft 106, the heat that cooling fan 104 can produce motor 40 in the time working is evacuated away in time, plays the effect that reduces motor 40 operating temperatures.Described cooling fan 104 both can also can be selected centrifugal fan by chosen axis flow fan, and in embodiment as shown in Figure 1, what cooling fan 104 was selected is, and air quantity is little but centrifugal fan that blast is large.Certainly, the cooling fan 104 here also can not be connected with motor 40, can driving mechanism be set separately and control the work of cooling fan 104.
In the present embodiment, described blower also comprises pressure-vaccum pipe 50, and described pressure-vaccum pipe 50 is removably connected and is communicated with described wind chamber 20 with described body shell 10.In one embodiment, described wind chamber air inlet port 202 is identical with gas outlet 204 cross sectional shapes, and described pressure-vaccum pipe 50 is removably connected in described air inlet port 202 or gas outlet 204; When blower is during in air blowing state, described pressure-vaccum pipe 50 is communicated with described wind chamber 20 by gas outlet, described wind chamber 204; When blower is during in suction condition, described pressure-vaccum pipe 50 is communicated with described wind chamber 20 by described wind chamber air inlet port 202.Pressure-vaccum pipe 50 shares and is removably connected with host shell 10, can not only be cost-saving, and can also alleviate the weight of blower, increase portability.
In one embodiment, can be provided with protective cover 206 at described host shell 10 at air inlet port 202 places, wind chamber, described protective cover 206 covers separably in described wind chamber air inlet port 202.When blower is when blowing state, described protective cover 206 can be covered in described wind chamber air inlet port 202, can avoid like this other object to enter wind chamber 20 through air inlet port 202, improve processing safety.And in the time that blower is suction state, the protective cover 206 covering in described wind chamber air inlet port 202 can being taken away from air inlet port 202, so that the absorption to things such as leaves.In the present embodiment, described protective cover 206 can be connected in described wind chamber air inlet port 202 pivotly by a pivot.
In one embodiment, for the convenience operating, can be on described host shell 10 setting operation handle 60, on described operating grip 60, main switch 602 is set, described wind chamber 20 is provided with described main switch 602 and connects and control the microswitch that main switch 602 conducts.In the present embodiment, described microswitch comprises the first microswitch 110 and the second microswitch 114, and described the first microswitch 110 is arranged at air inlet port 202 places, described wind chamber, and described the second microswitch 114 is arranged at 204 places, gas outlet, described wind chamber.Described the first microswitch 110 and described the second microswitch 114 are all connected with described main switch 10.Described microswitch can adopt the microswitch of pressing, and corresponding the first microswitch 110 of described host shell 10 and the second microswitch 114 places are provided with the draw-in groove matching with the controlling position of described the first microswitch 110 and described the second microswitch 114.Compress projection and be provided with in the position male of the corresponding described draw-in groove of the link that can be connected to described air inlet port 202 and/or gas outlet 204, in the time that link is connected to air inlet port 202 and/or gas outlet 204, the described projection that compresses is inserted described draw-in groove, compress and start described microswitch, make main switch 602 circuit turn-ons, main switch 602 can carry out switch motion.If should be connected to the link of air inlet port 202 and/or gas outlet 204 and do not connect time, microswitch cuts out, now main switch 602 does not conduct, also can starter motor 40 even if press main switch 602, avoid like this maloperation, and improve safety in utilization.
Described link is to comprise that above-mentioned pressure-vaccum pipe 50, protective cover 206 etc. can be connected to the link of described air inlet port 202 and/or gas outlet 204.
Particularly, refer to Fig. 1 and Fig. 2, when blower is during in blowing mould formula, be convexly set in described protective cover 206 described in compress projection 208 and insert the draw-in groove of described the first microswitch 110 correspondences, and compress the first microswitch 110, now protective cover 206 is closed described wind chamber air inlet port 202; Meanwhile, described pressure-vaccum pipe 50 is connected with gas outlet, described wind chamber 204, be convexly set in described pressure-vaccum pipe 50 described in compress projection and compress described the second microswitch 114, the now circuit turn-on of main switch 602, main switch 602 can be controlled blower and blow work.
Refer to again Fig. 2, when blower is during in suction mode, the projection 208 that compresses of described protective cover 206 departs from the draw-in groove corresponding with it, and described protective cover 206 rotates a certain angle around the first axis of rotation 116, described wind chamber air inlet port 202 is opened, now, described pressure-vaccum pipe 50 is communicated with described wind chamber 20 by wind chamber air inlet port 202, and the projection that compresses of described pressure-vaccum pipe 50 is pressed the first microswitch 110 simultaneously.In the present embodiment, gas outlet, described wind chamber 204 is connected with cloth bag 70, described cloth bag 70 is connected with described wind chamber 20 by cloth bag interface 702, described cloth bag interface 702 is also a kind of link, described in described cloth bag interface 702 is also provided with, compress projection, in the time that cloth bag interface 702 is connected with described wind chamber 20, the projection that compresses of described cloth bag interface 702 compresses the second microswitch 114, the circuit turn-on of main switch 602, now main switch 602 just can be controlled the suction work of blower.When blower is during in suction condition, dirt bits or the leaf of suction fall into cloth bag 70 through wind chamber 20, have been convenient to collection and the cleaning of rubbish.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (12)
1. a blower, comprises host shell and the motor that is arranged at host shell, it is characterized in that, in described host shell, be formed with wind chamber, described wind is axially provided with aerofoil fan in chamber; Described motor connects by transmission mechanism and drives described aerofoil fan; Between the air inlet port in described wind chamber and described aerofoil fan, be provided with disintegrating mechanism.
2. blower according to claim 1, is characterized in that, described aerofoil fan is tandem type multi-stage aerofoil fan.
3. blower according to claim 2, it is characterized in that, described tandem type multi-stage aerofoil fan comprises the elementary aerofoil fan near air inlet port one end, described wind chamber, and the aerofoil fan of level eventually of one end, gas outlet, close described wind chamber, described aerofoil fan increases gradually from elementary aerofoil fan to the flabellum diameter of whole grade aerofoil fan.
4. blower according to claim 3, is characterized in that, the internal diameter in described wind chamber matches with the Axial-flow Fan diameter that is installed on correspondence position, and the internal diameter part that changes in described wind chamber is provided with smooth curve transition.
5. blower according to claim 1, is characterized in that, between described aerofoil fan and described motor, is provided with gear, and described gear is connected with described aerofoil fan and described motor respectively.
6. blower according to claim 1, is characterized in that, the axis of described aerofoil fan and the axis of described motor are angle and arrange.
7. blower according to claim 6, is characterized in that, the axis of described aerofoil fan and the axis of described motor are 90 ° and arrange.
8. blower according to claim 1, is characterized in that, in described body shell, is provided with cooling fan, and described cooling fan is just to described motor, and is connected with described motor by armature shaft.
9. blower according to claim 1, is characterized in that, also comprises pressure-vaccum pipe, and described pressure-vaccum pipe is removably connected and is communicated with described wind chamber with described body shell.
10. blower according to claim 9, is characterized in that, the air inlet port in described wind chamber is identical with gas outlet cross sectional shape, and described pressure-vaccum pipe is removably connected in described air inlet port or gas outlet; When blower is during in air blowing state, described pressure-vaccum pipe is communicated with described wind chamber by described gas outlet; When blower is during in suction condition, described pressure-vaccum pipe is communicated with described wind chamber by described air inlet port.
11. blowers according to claim 1, is characterized in that, described host shell is provided with protective cover at the air inlet port place in wind chamber, and described protective cover covers separably in described air inlet port.
12. blowers according to claim 11, is characterized in that, described body shell is provided with main switch, and described wind chamber is provided with connects with described main switch and controls the microswitch that main switch conducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210543854.5A CN103866725B (en) | 2012-12-14 | 2012-12-14 | Blower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210543854.5A CN103866725B (en) | 2012-12-14 | 2012-12-14 | Blower |
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| Publication Number | Publication Date |
|---|---|
| CN103866725A true CN103866725A (en) | 2014-06-18 |
| CN103866725B CN103866725B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210543854.5A Active CN103866725B (en) | 2012-12-14 | 2012-12-14 | Blower |
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| CN105618432A (en) * | 2014-11-04 | 2016-06-01 | 苏州宝时得电动工具有限公司 | Blowing-suction machine |
| WO2016082796A1 (en) * | 2014-11-28 | 2016-06-02 | 苏州宝时得电动工具有限公司 | Air blower and blower/vacuum apparatus |
| WO2016082759A1 (en) * | 2014-11-28 | 2016-06-02 | 苏州宝时得电动工具有限公司 | Blower/vacuum apparatus |
| CN105648964A (en) * | 2014-11-28 | 2016-06-08 | 苏州宝时得电动工具有限公司 | Blowing and sucking device |
| CN105648956A (en) * | 2014-11-11 | 2016-06-08 | 苏州宝时得电动工具有限公司 | Blowing and sucking machine |
| CN105648958A (en) * | 2014-11-28 | 2016-06-08 | 苏州宝时得电动工具有限公司 | Blowing and sucking device |
| CN105747989A (en) * | 2015-01-06 | 2016-07-13 | 创科实业有限公司 | Axial flow fan dust collector |
| CN105986554A (en) * | 2014-11-28 | 2016-10-05 | 苏州宝时得电动工具有限公司 | hair dryer |
| CN106049327A (en) * | 2015-04-10 | 2016-10-26 | 苏州宝时得电动工具有限公司 | Blowing and sucking device and air blowing device |
| WO2017045569A1 (en) * | 2015-09-18 | 2017-03-23 | 苏州宝时得电动工具有限公司 | Leaf clearing device |
| CN106812099A (en) * | 2015-12-02 | 2017-06-09 | 苏州宝时得电动工具有限公司 | Blower |
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