CN2747373Y - External motor type rotor air-filter - Google Patents

Abstract

The utility model provides an external motor type rotor air-filter belonging to the technology field of the application and manufacture of the motor. The utility model is characterized in that the motor which drives the rotation of the rotor and a motor oil deposition collecting chamber are independently mounted structures arranged outside of a rotor purge chamber; as a result, the external motor type rotor air-filter enlarges the rotor using space and satisfies the volume request of large oil engine air-filter to the rotor. The adopted unidirectional drive bearing structure makes the structure of the rotor driving system simplified. The external motor type rotor air-filter whose rotor adopts horizontal mounting means supported by double dots makes the operation of the rotor steady and improves dependability. The external motor type rotor air-filter with the structural improvement enlarges the use field and improves product performance.

Description

A kind of external motor formula rotor air filter

Technical field: the utility model relates to a kind of air-strainer that has special arrangement with respect to motor.

Background technique: engine operation needs the cooperation of air, if enter the efficient that unclean air will influence motor, reduce the power of motor output, also can pollute environment, so generally all be before air enters engine chamber, to use filter earlier, make the air of cleaning enter motor airborne impurity, dust filtering.Currently used filter is normally used the netted air filter housing of a kind of dry type papery, the airborne dust of this filter cap energy filtering, air Zhong De Dirty thing all tackled not allow on filter screen enter motor, played the effect of filter cleaning air, Dou Shi Dirty thing is covered with on the filter screen but use after a period of time, influenced the power output of motor, also polluted the environment, so must change the netted air filter housing of dry type papery after using a period of time.

A kind of air filter of changing of not going has appearred now, it can tackle airborne impurity, dust does not make it enter motor, simultaneously when piling up dirt on the filter screen, can clean up automatically again, dirt is flowed down automatically, keep the filter screen cleaning can continue to use, and do not need to change a kind of patent application that is used for the rotor air filter of motor of filter screen.The applying date is on November 17th, 2004, and application number is 200420110935.7 to be exactly for solving the patent application that this technical problem proposes.In this patent application, motor and rotor are installed in the purge chamber, and motor has taken many spaces, and rotor volume is reduced, and can not adapt to the requirement of large combustion machine air-filtering to rotor volume, and the mechanism of Electric Machine Control transmission is also too complicated simultaneously.

Summary of the invention: the utility model be to provide a kind of with electric machine external outside the purge chamber, thereby can increase rotor volume, increase the area of metal filter screen, can satisfy the requirement of large combustion machine air-filtering to rotor volume, use the unidirectional drive bearing simultaneously, simplify complicated Electric Machine Control driving mechanism, and change a kind of external motor formula rotor air filter of rotor installation direction.

Technical solution adopted in the utility model:

The motor and the machine oil precipitation collecting chamber that drive rotor rotation are all placed outside the rotor purge chamber, adopt independent mounting structure, to enlarge the rotor usage space; Motor driving shaft is that flexible axle or hard axle are connected with rotor shaft; Rotor shaft and motor driving shaft engagement are adopted a unidirectional drive bearing structure with trip gear; The supporting of rotor is front and back formula two point horizontal support structure, and rotor shaft is that transverse horizontal is installed.And employing has three open column shape injection pipes of some spray-holes, accumbency is in rotor periphery two sides and centre of rotor respectively, three hollow injection pipes communicate, and communicate with the jetburner of washery pump, the filler opening of washery pump links to each other with the outlet of cleaning with the engine oil supplying chamber, and is provided with external machine oil recovery chamber.

After implementing the utility model, because motor and machine oil precipitation collecting chamber all place outside the rotor purge chamber, enlarged the rotor usage space, can satisfy of the requirement of the empty filter of large combustion machine to rotor volume, the rotor shaft engagement is adopted unidirectional drive axle construction with disengagement, makes the driving control system designs simplification, and rotor adopts two point support level mounting type, make the rotor running steadily, improved reliability.

Description of drawings:

Fig. 1 is the utility model structural profile schematic representation.

Embodiment: existing the utility model is described in further detail in conjunction with the accompanying drawings, and total structure is: the motor 32 that drives rotor rotation is independent installation that places outside the rotor purge chamber with machine oil precipitation collecting chamber 53; Motor driving shaft 32 is connected with rotor shaft 23; Rotor shaft and motor driving shaft engagement are the bearing structures that adopts unidirectional drive with trip gear; Rotor shaft is that transverse horizontal is installed, formula two point horizontal branch support point before and after having, and concrete tectonic relationship is:

Certain thickness air-filtering wire netting 10 is arranged, be placed between the horizontal rotor housing of installing 19 and loam cake 9 of rotating shaft cylindricly, respectively with three hollow column shape injection pipes of some spray-holes 8, accumbency is in rotor periphery two side 5,6 and centre of rotor 18 respectively, three hollow injection pipes communicate, and communicate with the jetburner 56 of washery pump, the filler opening 38 of washery pump links to each other with the outlet 39 of cleaning with engine oil supplying chamber 41; Engine oil supplying is indoor an oil mass float 42, the conical head of oil mass float is aimed at the pipeline opening 44 that communicates with the motor vacuum chamber, another drawing-off mouth 49, by recovery tube one-way valve 50, oil strainer 51, be connected with the machine oil recovery tube 54 that is placed in machine oil mud chamber 53 with netted micropore 52, greasy dirt pod apertures 60 is in flat machine oil and reclaims on the chamber 53, and there is the release screw 37 of an earial drainage greasy dirt at flat place.Motor driving shaft 32 can be that hard axle connects with being connected of rotor shaft 23, also can be that flexible axle connects.

Now the concrete working procedure of in conjunction with the accompanying drawings this device being implemented is done an explanation.

(1) air inlet working procedure:

Ambient air is by suction port 1, and the inclined-plane guiding by guide plate 3 acts on the rotor blade 7 air-flow, drives rotor body 19 rotations.Dust in air enters rotor metal screen 10 through the airflow on surface hole of rotor body 20, is adhered to by the machine oil film on metal screen surface.From metal screen 10 clean air that comes out, enter the motor internal combustion by air outlet 13 again.The putty, Dirty thing that stores up in wire netting 10 is having bigger air-flow to promote rotor body 19 high speed rotating, from the pollutant exhaust hole 21 of rotor body 19, throw to filter wall under its centrifugal action, and, carry out precipitate and separate oil and foul by pod apertures 60 inflow machine oil mud chambers 53.

(2) working procedure of rotor filter screen cleaning

Behind engine running, stop, the signal power source 58 of the switch button 59 of control high-speed electric expreess locomotive is switched on, the built-in flashing lamp of switch button is lighted, warning is pressed, the inner cleaning automatically of filter system begins, pull in winding 27 energisings of magnetic switch, suction at electromagnetism is left behind, motor main circuit contact plate 26 moves to left, at this moment the motor main circuit contact plate 26 and the motor main circuit screw 28 that move to left are connected, the field coil 31 of motor form magnetic fields and and carbon brush for electric machine 30 formation major loops, make motor driving shaft 32 drive rotor drive shafts 23, high speed rotating clockwise makes a plurality of rectangular taper pellet shot from a slingshot of the unidirectional drive bearing 17 that is embedded in rotor body 19 in mobile voluntarily along rectangular taper orbital direction under the effect of the inertia rotating force of rotor drive shaft 23, moment locking rotor drive shaft drives rotor body 19 high speed rotating.At this moment by motor driving shaft 32 driving machine oil pump master actuation gears 33 and engagement driven gear 34, to reclaim the cleaning machine oil of chamber 41 through machine oil recovery chamber from machine oil, oil outlet 39 enters in the oil pump by oil inlet pipe 54 and under the high speed rotating by active and passive gear, make machine oil produce pressure, enter oil pump loam cake chamber 35, the machine oil that has pressure, back down the fuel-displaced one-way valve 55 that is connected with oil pump loam cake chamber, high pressure machine oil is entered the internal spray oil pipe 18 and the outer injection oil pipe 5 of rotor of rotor body 19 again by main oil outlet tube 56,6, and spray to the outer wall of rotor body 19 uniformly by the spray orifice 8 of jet pipe, with filter screen liner net circle 11 surfaces, and enter by pod apertures 20 and to clean the putties that are bonded at the inside in the metal screen 10, the rotor body 19 of high speed rotating is under action of centrifugal force, make putty in the metal screen by pod apertures 20,21 throw to the inwall of filter, and by the rotor body 19 lower guide discharge orifices 20 of high speed rotating, 21 discharge, and the pod apertures 60 through top, machine oil mud chamber flows into precipitation and separating oil and putty in the machine oil mud chamber 53 then.At this moment reclaiming the cleaning machine oil that chamber 41 oil outlets 39 and oil pump filler opening 38 enter into pump by machine oil constantly reduces, the machine oil liquid surface float 42 that reclaims chamber 41 glides along float rear stabilizer 40 thereupon, machine oil liquid level sensor 47 glides until the contacting of sensor 47 with float 42, machine oil liquid level warning light 48 is bright, motor control switch button 59 is disconnected, the magnetic force of the field coil 31 of pull in winding 27 and motor disappears, motor main circuit contact plate 26 is under the effect of return spring 25, disengaging contacts with the major loop screw, be returned to former state of rest, motor and oil pump are stopped the rotation, and a cleaning process is finished.

When driven by motor rotor body high speed rotating, from the signal of ignition switch, will automatically switch to the control switch button of motor, make its automatic disconnection lead to the signal power source 58 of motor.Prevent to fail the air inlet of high-voltage oil liquid launched machine when cleaning filter screen to suck burning by oil pump.

(3) the recovery operation process of machine oil, when ato unit once more, ambient air is by suction port 1, and by the inclined-plane guiding of air baffle 3, the thrust that makes air-flow makes rotor body 19 do inhour and rotates freely on rotor blade 7.And the clean air that air-flow comes out through filter screen 10 through oil screen 14, enters motor by air outlet 13.The a plurality of rectangular taper pellet shot from a slingshot that is embedded in the unidirectional drive bearing 17 in the rotor body 19 this moment has just lost the inertia thrust of central shaft rotation, and break away from the bonding state that hugs with live axle 23 voluntarily, be retracted into voluntarily in the groove of rectangular taper track, this just forms the non-resistance mated condition with live axle 23, and rotor body 19 is done oppositely by air-flow thrust and rotated freely.

On the other hand, the air intake branch 45 that links to each other with the engine charge chamber forms vacuum, at this moment the sealing bin of being made up of recovery chamber loam cake 43 41 is full of vacuum, machine oil recovery tube 54 is submerged in the machine oil layer of oil and putty separating layer by the machine oil of machine oil mud chamber 53, the surface micropore 52 of recovery tube 54, under the effect of pull of vacuum, machine oil is sucked in the recovery tube 54, after oil strainer 51 filters, the up machine oil pipe that backs down reclaims one-way valve 50, flow into machine oil recovery chamber 41 through reclaiming filler opening 49, the machine oil that reclaims from the machine oil mud chamber constantly flows into and reclaims chamber 41.At this moment, the float 42 of control liquid level floats gradually, rises to along float rear stabilizer 40 until float and closes vacuum bed mouth 44, and the contact of machine oil liquid level sensor 47 is opened simultaneously, and at this moment machine oil liquid level warning light 48 extinguishes, and reclaims machine oil and finishes.

Claims (2)

1, a kind of external motor formula rotor air filter, comprise by the motor (32) that drives rotor rotation, rotor shaft and motor driving shaft engagement and trip gear, machine oil mud chamber (53), the supporting structure of rotor is characterized in that: the motor (32) that drives rotor rotation is the independent mounting structure that places outside the rotor purge chamber with machine oil precipitation collecting chamber (53); Motor driving shaft (32) is connected with rotor shaft (23); Rotor shaft and motor driving engagement are unidirectional drive bearing structures with trip gear; Rotor shaft is that transverse horizontal is installed, formula two point horizontal support before and after having:

Certain thickness air-filtering wire netting (10) is arranged, be placed between the horizontal rotor housing of installing (19) and loam cake (9) of rotating shaft cylindricly; Respectively with three hollow column shape injection pipes of some spray-holes (8), accumbency is in rotor periphery two sides (5), (6) and centre of rotor (18) respectively, three hollow injection pipes communicate, and communicate with the jetburner (56) of washery pump, the filler opening of washery pump (38) links to each other with the outlet (39) of cleaning with engine oil supplying chamber (41); Engine oil supplying is indoor an oil mass float (42), the conical head of oil mass float (42) is aimed at the pipeline opening (44) that communicates with the motor vacuum chamber, another drawing-off mouth (49), by recovery tube one-way valve (50), oil strainer (51), be connected with the machine oil recovery tube (54) that is placed in machine oil mud chamber (53) with netted micropore (52), greasy dirt pod apertures (60) is in flat machine oil and reclaims on the chamber (53), and there is the release screw (57) of an earial drainage greasy dirt at flat place.

2, filter according to claim 1 is characterized in that: described motor driving shaft (32) can be that hard axle connects with being connected of rotor shaft (23), also can be that flexible axle connects.