CN1201090A

CN1201090A - Wave-wheel of washing machine

Info

Publication number: CN1201090A
Application number: CN98108799A
Authority: CN
Inventors: 郑柄惇
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 1997-04-28
Filing date: 1998-04-28
Publication date: 1998-12-09
Also published as: KR100213610B1; KR19980078453A; JPH10337394A; JP2888825B2

Abstract

A pulsator for washing machine comprises the main body provided rotatably about the central axis vertical to the washing tank, a plurality of first blades projected from the upper surface of the main body and extended radially about the central axis, and a plurality of second blades extended radially about at least a pair of eccentric axes disposed to be symmetrical to each other about the central axis, separated from the central axis. The first and second blades generate irregular eddies within the washing tank, thereby to prevent the washing from entangling and to improve the washing ability.

Description

Agitation wheel for washing machine

The present invention relates to a kind of agitation wheel for washing machine, relate more specifically in cylindric washer, to produce the agitation wheel for washing machine of anomalous water eddy current, with the coil buckling and the winding that prevent clothing and improve detersive efficiency.

Agitation wheel for washing machine rotatably is installed in cylindric washer, comes washing clothes to produce rotary water current.

Fig. 5 is the vertical cross-section diagram with washing machine of traditional impeller.This washing machine 111 comprises the shell 113 that forms outward appearance and is suspended to washing system 121 in this shell 113.This washing system 121 comprises cylindric washer 123.The drive unit 131 that is rotatably installed in the impeller 101 in the cylindric washer 123 and is used for rotating rotary drum 101.

Fig. 6 is the perspective view of agitation wheel for washing machine.Impeller 101 has the main body 103 of plate-like, and has the central boss 107 that is connected with the driving shaft of drive unit 131.A plurality of washing blades 105 stretch out from the upper surface of main body 103.This washing blade 105 extends radially out from central boss 107.

Impeller 101 is reciprocally rotated to produce reciprocal rotary water current by drive unit 131 drivings and is used for washing the clothing that is contained in the cylindric washer 123.The centrifugal force that is produced by the impeller 101 that is positioned at cylindric washer 123 bottoms makes the washings flow path to scattering.Internal face along cylindric washer 123 rises then, falls in the centre of cylindric washer 123 again, forms closed circuit, shown in the arrow among Fig. 5.In this case, the clothing in the cylindric washer 123 follows the ring water movement, and under the dynamic action of current and with the collision of impeller 101 and cylindric washer 123 inwalls under wash.

The radially-protruding washing blade 105 of impeller 101 is created in the centrifugal force of circumferencial direction uniformity, thereby produces the circulating water flow of basically identical in cylindric washer 123.The circulating water flow of this unanimity tends to cause the coil buckling and the winding of clothing, thereby has reduced washability.In addition, the coil buckling of clothing and twine and can damage clothing in washing and dehydration, and bring difficulty to the clothing that the user puts washing in order.

In order to solve above-mentioned traditional problem, the purpose of this invention is to provide a kind of agitation wheel for washing machine, it can produce coil buckling and the winding of anomalous water eddy current to prevent clothing in cylindric washer, and improves detersive efficiency simultaneously.

In order to realize the purpose of the invention described above, a kind of agitation wheel for washing machine is provided, comprise one relatively the vertical centre axis be installed in main body in the cylindric washer rotatably, a plurality of at main body upper surface projection and the relative radially-protruding grade blade of central axis, and a plurality of secondary leaves place, this time grade blade extends radially out in main body upper surface projection and relative at least one pair of eccentric axis, and this eccentric axis deviates from central axis and mutual symmetric arrangement.

Here, preferred agitation wheel for washing machine also comprises: a lid that matches with the main body upper surface, between lid and main body, form blade wheel chamber, on this lid, be formed with central-injection outlet along the central axis upward opening, a plurality of injection impellers are rotatably installed in respect to eccentric axis separately and are used in the blade wheel chamber upwards spraying washings by jet exit, and one is used to rotate and drives the drive unit that sprays impeller.

At this moment, main body can constitute by comprising a joint flange protruding upward that engages with the lid lower limb.And preferably this joint flange surrounds the lower limb of lid.

Following explanation with reference to accompanying drawing can make above-mentioned purpose of the present invention and advantage more clear.

Fig. 1 is to use the vertical cross-section diagram of the washing machine of impeller of the present invention;

Fig. 2 is the decomposition section along the impeller of II-II line among Fig. 3;

Fig. 3 is the perspective view of impeller of the present invention;

Fig. 4 is the plane of impeller main body;

Fig. 5 is to use the washing machine vertical cross-section diagram of traditional impeller;

Fig. 6 is the perspective view of traditional impeller.

Fig. 1 is to use the vertical cross-section diagram of the washing machine of impeller of the present invention.This washing machine 1 comprises the shell 3 that constitutes outward appearance and is suspended in washing system 11 in the shell 3.This washing system 11 comprises the cylindric washer 13 that supports with suspension apparatus 21 and is installed in drive unit 31 below the cylindric washer 13.Dehydration tube 17 is rotatably installed in the washing machine 13.Impeller 41 is rotatably installed in the dehydration tube 17 with respect to vertical center axis.

Suspension apparatus 21 comprises suspension rope 23 and the shock absorber 25 that is installed on cylindric washer 13 outer walls.The upper end of suspension rope 23 is outstanding to come on the shell 3, and the lower end is connected in shock absorber 25.

Drive unit 31 comprises drive motors 33 and shaft assembly 35, is used for selectively sending the driving force of drive motors 33 to dehydration tube 17 and impeller 41.With controller (not shown) Control Shaft assembly 35,, and in dehydration, integrally drive impeller 41 and dehydration tube 17 so that in washing process, only drive impeller 41.Shaft assembly 35 can be connected with belt 39 with belt pulley 37 each other with drive motors 33 with turning round.

Fig. 2 is the decomposition view along the impeller of the II-II line of Fig. 3, and Fig. 3 is the perspective view of impeller of the present invention, and Fig. 4 is the plane of impeller main body.To shown in Figure 4, impeller 41 has a disc body 43 and this lid 71 at main body 43 upper surfaces of company as Fig. 2.This main body 43 is equipped with the axle installation portion and a pair of washings inflow entrance 51 that are connected with the driving shaft 38 of drive unit 31, and inlet 51 distributes symmetrically with respect to central axis.Porous filter plate 53 is housed to prevent that contained residue flows in the washings in each washings inflow entrance 51.

Lid 71 has the central-injection outlet 75 of a upward opening, and lid forms a pair of blade wheel chamber 73 that is symmetrically distributed with central axis on main body.Therefore, lid 71 comprises central-injection parts 74 and a pair of and whole blade wheel chamber's parts 72 of injecting-unit 74 formation with jet exit 75.

Jet exit 75 is along the central axis upward opening of main body 43, and is positioned at the upper face center zone of lid 71.A plurality of scattering water flow holes 77 are formed on blade wheel chamber's parts 72 of lid 71.

Be being connected of main body 43 and lid 71 what lower limb 79 by lid 71 and mating flanges 67 were realized, the upper surface of these mating flanges 67 autonomous agents 43 raises up with the lower limb 79 that encases lid 71.Fit 65 is recessed to cooperate with the edge 79 of lid 71 near the mating flanges 67 of main body 43.

Spray impeller 81 and rotatably be installed in respectively in the blade wheel chamber 73, a diversion component 91 is spraying between the impeller 81, so that current are exported 75 from blade wheel chamber's 73 Guide spray.Spraying impeller 81 is radial impellers, comprises an impeller shaft 83 and an a plurality of impeller blade 85 from the radial formation of this impeller shaft that is parallel to the central shaft of main body 43.Each sprays impeller 81 and also has a collar plate shape cross-brace plate 87, and it is connected with the upper axial end of blade 85.Each sprays the impeller shaft 83 of impeller 81 and all arranges with respect to the eccentricity of central axis ground of main body 43.

Spraying impeller 81 rotates by pinion 89 that is installed in impeller shaft 83 lower ends and the driven wheel 57 with pinion 89 engagements that is installed in cylindric washer 13 bottoms.Pinion 89 can form an integral body by injection molding and impeller shaft 83.In addition, pinion 89 can be made separately, is assembled together with impeller shaft 83 again.Many fixing holes 60 are formed on the flange portion 59, and this flange portion 59 forms along the lower limb of driven wheel 57.Driven wheel 57 is fixed on the bottom of cylindric washer 13 with fixture 61 and fixing hole 60.Therefore pinion 89 and driven wheel 57 engagements, when impeller 41 rotations, are assemblied in the also rotation together of injection impeller 81 in the chamber 73.

The diversion component 91 that is assemblied between the blade wheel chamber 77 has water conservancy diversion inclined-plane 93, and it will be from the current deflecting central-injection outlet 75 of blade wheel chamber 77.A pair of fitting projection 63 is installed in an installation portion 45 both sides and diversion component 91 assemblings.

Simultaneously, the

blade

49 and 50 to form the washing current that forms on main body 43 upper faces is made up of two one grade blades 49 and four grade blades 50, wherein the central axis of a grade blade 49 relative main bodys 43 extends radially out, and inferior grade blade 50 extends radially out with respect to the eccentric axis that injection impeller 81 winds with rotation.This grade blade 49 and time grade blade 50 produce the current of different rotary, and this is that the result causes irregular current in cylindric washer 13 owing to its different layout.

As mentioned above, when laundry operations begins and drive motors 33 is started, the impeller that is used for washing machine 1 41 rotations of the preferred embodiment of the invention.If impeller 41 rotation then is installed in injection impeller 81 in the blade wheel chamber 73 around the central axis revolution of separately impeller 41, and because the rotation with being fixed on driven wheel 57 actings in conjunction on cylindric washer 13 bottoms.At this moment, the washings in the blade wheel chamber 73 are drawn towards central-injection outlet 75 and pass through upwards ejection of jet exit 75 thus under the revolving force effect of spraying impeller 81.Simultaneously, the washings below impeller 41 flow in the blade wheel chamber 73 by washings inflow entrance 51.

The part washings that scattered by blade wheel chamber 73 are discharged from by scattering water flow hole 77, thereby form the radial scattering current that make progress.In impeller 41 rotary courses, the upward water flow post of being discharged by jet exit 75 sprays to the current of locating decline with the circulation cleaning middle of the stream of constant direction circulation, has suppressed the vertical decline of circulating water flow on the one hand, on the other hand with its radially scattering.The making progress of scattering current that the washings of scattering are subjected to being discharged by scattering water flow hole 77 partly impacted.

Simultaneously, when impeller 41 back and forth during rotation, a grade blade 49 and time grade blade 50 produce different rotary water currents, to produce complexity and irregular turbulent flow in cylindric washer 13.

As mentioned above, according to the present invention, provide a kind of agitation wheel for washing machine 41, it can produce irregular water turbulence and twine with the coil buckling that prevents clothing in cylindric washer 13, and improves washing efficiency simultaneously.

Claims

1. an agitation wheel for washing machine comprises

The vertical centre axis is installed in the main body in the cylindric washer rotatably relatively,

A plurality of at the radially-protruding grade blade of central axis main body upper surface projection and relative, and

A plurality of grade blades, this time grade blade extends radially out in main body upper surface projection and relative at least one pair of eccentric axis, and this eccentric axis deviates from central axis and mutual symmetric arrangement.

2. according to the impeller of claim 1, also comprise:

The lid that matches with the main body upper surface forms blade wheel chamber between lid and main body, be formed with the central-injection outlet along the central axis upward opening on this lid,

A plurality of injection impellers, it is rotatably installed in the blade wheel chamber with respect to eccentric axis separately, is used for upwards spraying washings by jet exit, and

Be used to rotate the drive unit that drives the injection impeller.

3. according to the impeller of claim 2, wherein this main body has a mating flanges protruding upward, to cooperate with the lid lower limb.

4. according to the impeller of claim 3, wherein this mating flanges encases the lower limb of this lid.