CN1196415A

CN1196415A - Washing machine

Info

Publication number: CN1196415A
Application number: CN98108847A
Authority: CN
Inventors: 郑柄惇
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 1997-04-17
Filing date: 1998-04-17
Publication date: 1998-10-21
Also published as: ID20182A; JPH10295974A

Abstract

A washing machine equipped with a washing tub. A pulsator provided rotatably against the axis in the vertical direction at the bottom section of a washing tub and having at least one exhaust nozzle opened upward on the upper face, a jet fan provided relatively rotatably to the pulsator in the pulsator and ejecting washing water upward through the exhaust nozzle, and the driving means of the jet fan. The central rising stream generated in the washing tub disperses the washing stream circulated in the fixed direction and generates a turbulence forming uniform pressure distribution as a whole in the washing tub. The entangling of the laundry washed in the washing tubis prevented, and washing force is improved.

Description

Washing machine

The present invention relates to a kind of washing machine, especially a kind of washing machine that can produce the vertical lifting current in the cylindric washer center.

Washing machine is equipped with a device that is used to produce the washing current, for example: an impeller or the agitator in cylindric washer.The washing current that produce in cylindric washer and the increase and the minimizing of washability are closely related.For this reason, carrying out the various relevant effectively researchs of washing current that produce.

Fig. 9 is a kind of vertical cross-section schematic diagram of the traditional washing machine that comprises an impeller.As shown in Figure 9, traditional washing machine 101 comprises that one constitutes the shell body 103 of profile and the washing system 111 of a laundry usefulness, and this washing system is supported in the shell body 103 by the suspension apparatus suspention.Washing system 111 comprises a cylindric washer 113,117, one of dehydration tube that are rotatably installed in the cylindric washer 113 are rotatably installed in impeller 119 and the drive unit 121 that is used to drive dehydration tube 117 and/or impeller 119 rotations in the dehydration tube 117.

Impeller 119 is rotation forward or backward under the driving force effect of drive unit 121, and generation is used to wash the washing current that are placed on clothings in the cylindric washer 113.The washing current form a kind of loop of annular.That is, the washing current are positioned at the centrifugal force of the impeller 119 of cylindric washer 113 bottoms radially to be let go, and again along the upwards rise of inner wall surface of cylindric washer 113, descends in the center of cylindric washer 113 again.In this case, the clothing in cylindric washer 113 moves along this current loop, and in this mode, clothing not only contacts with each other but also contacts with dehydration tube 117 with impeller 119, finishes washing like this.Arrow among Fig. 9 has been described this circulation of the washing current that form in cylindric washer 113.

Simultaneously, the washing machine with agitator (not drawing among the figure) also rotates the agitator that is installed in the cylindric washer, so that produce aforesaid circulating water flow in cylindric washer.Similarly, the clothing in cylindric washer 113 moves along circulating water flow, so that not only contact with each other, and contacts with the dehydration tube inwall with agitator, and washing has just been finished like this.

But in this traditional washing machine 101, owing to the circulating water flow of the clothing in the cylindric washer 113 along the fixed-direction that forms in cylindric washer 113 moves, clothing is understood mutual wringing and is intertwined.Therefore the volume and weight of clothing increases gradually, has reduced the revolving force of impeller 119 or agitator thus, so washability reduces.In addition, the clothing that moves with canoe is easily damaged.Moreover after washing or the drying, the user is inconvenient to put in order or adjust clothing.

For addressing the above problem, an object of the present invention is to provide a kind of washing machine, it can produce one has the current that rise on the center of strong washing force and disperses the current that circulate with fixed-direction, so that prevent the wringing and the winding of clothing, improves clean result simultaneously.

For finishing above-mentioned purpose of the present invention, a kind of washing machine with a cylindric washer is provided, comprising: relative vertical axis is rotatably installed in the impeller of cylindric washer bottom, and the upper surface of this impeller have at least one be open upwards eject the water hole; An injection screw that is installed in the impeller is used for respect to the impeller rotation, so that the washings process is sprayed the upwards ejection of portalling; And be used for rotatably driving the drive unit that sprays screw.

Here, spraying screw is a radial propeller, comprises a propeller shaft parallel with the rotation of impeller and a plurality of propeller blade that radially extends along propeller axis.

Impeller can constitute simply, comprising: a discoidal impeller main body; With a lid that combines with impeller top, so that between them, form a screw chamber, to hold the injection screw; Wherein, ejecting water hole axis along impeller on lid forms.Best, formed impeller main body has a washings hand-hole that forms along this propeller shaft at least downwards; The current deflecting groove that water hole and screw chamber are ejected in connection is formed in the lid.

Simultaneously, spray propeller driving device and comprise that one is installed in pinion on the propeller shaft that sprays screw and a driven wheel that is installed in the cylindric washer lower surface so that and pinion.Here, driven wheel be an external gear its install with one heart with respect to the impeller rotating shaft.

Formed lid has a plurality of water flow holes that scatter, and is used for radially scattering the washings of self-injection screw.

Preferably also comprise by the jockey that connects lid and impeller is installed along axis direction.Here, this jockey can comprise a lid engagement edge and an engaging groove that forms on impeller, to hold the engagement edge of lid.Engagement edge and engaging groove can be made respectively has an irregular radius with respect to the impeller rotation.

Simultaneously, a part that ejects the water hole at least circumferentially is shaped as arc at the circumferencial direction to the small part sector around the impeller rotation along it.And at least a portion that ejects the water hole is formed into concentric mutually with respect to the impeller rotation.

Preferably, also comprise: a channel part forms the current deflecting path between impeller main body and lid; And a current deflecting raised structures, it is spraying screw and ejecting projection between the water hole, so that the edge of contact channels spare.Like this, jet water course just can circulate at an easy rate.Here, preferably the current deflecting raised structures is arranged on respect to place, the upper reaches at channel part edge.

Simultaneously, the number of described a plurality of propeller blades is four or less; And comprising a cross-brace plate, it intactly couples together the axial edge of propeller blade mutually, produces effective ascending current thus.

Also may further include a filter, it is the porous plate shape, is formed on the open surfaces of washings hand-hole, prevents that thus the clothing residue from flowing into lid.

Above-mentioned objects and advantages of the present invention will be by with reference to accompanying drawing, the detailed description of its structure and work shown, wherein:

Fig. 1 is the sectional side view of washing machine of the present invention;

Fig. 2 is the partial enlarged drawing of Fig. 1;

Fig. 3 is the exploded view of Fig. 2;

Fig. 4 is the perspective view of impeller among Fig. 2;

Fig. 5 is the plane of the impeller main body among Fig. 3;

Fig. 6 is the enlarged drawing that ejects the water hole of lid;

Fig. 7 is the enlarged perspective that sprays screw and driven wheel;

Fig. 8 is the partial enlarged drawing of Fig. 3, shows the current deflecting raised structures in greater detail; And

Fig. 9 is the vertical cut-away schematic view of conventional washer.

Fig. 1 is the sectional side view of washing machine of the present invention, and Fig. 2 is the partial enlarged drawing of Fig. 1, and Fig. 3 is the exploded view of Fig. 2.As Figure 1-3, washing machine 1 of the present invention comprises that a shell body 3 that constitutes profile and one are suspended the washing system that is used for washing clothes 11 that is supported in the shell body 3.Washing system 11 comprises cylindric washer 13 that is suspended device 21 supports and the driving mechanism 31 that is installed in cylindric washer 13 bottom downsides.Cylindric washer 13 has a dehydration tube 17 that is rotatably installed in it.An impeller 41 is rotatably installed in the dehydration tube 17.

Suspension apparatus 21 comprises suspention spring 23 and damper 25, and suspention spring 23 and damper 25 are installed on the outer wall of cylindric washer 23.The upper end of suspention spring 23 is connected with shell body 3, and the lower end is connected with damper 25.

Driving mechanism 31 comprises a drive motors 33 and a shaft assembly 35, and its driving force that selectively transmits drive motors 33 is given dehydration tube 17 and impeller 41.Shaft assembly 35 is controlled by a controller (not shown) so that rotating rotary drum 41 in washing process thus, and in dehydration integrally rotating rotary drum 41 and dehydration tube 17.39 work are connected shaft assembly 35 with belt by belt pulley 37 with drive motors 33.

Simultaneously, Fig. 4 is the perspective view of impeller among Fig. 2, and Fig. 5 is the plane of Fig. 3 medium wave wheel body.Impeller 41 comprises that one is roughly discoidal impeller main body 43 and a lid 71 that combines with the top of impeller main body 43.Impeller main body 43 comprises that a shaft assembly that links to each other with the driving shaft 38 of driving mechanism 31 closes washings tap hole 47 and a plurality of washing blade that radially extends from washings tap hole 47 that 45, one of devices are open upwards in the center.Washing blade 49 plays a part to produce horizontal direction washing current in impeller 41 rotary courses.A pair of washings ostium 51 also is arranged in the impeller main body 43, this to washings ostium 51 relatively across the rotation of impeller 41 and under shed.In each washings ostium 51 porous plate filter 53 is installed.Each filter 51 plays a part to prevent that the residue in the washings from flowing into.

Lid 71 combines with impeller main body 43, with the top of toilet cover at washings tap hole 47, and constitutes a pair of screw chamber 73, this to screw chamber 73 between lid 71 and impeller main body 43 with respect to rotation opposite one another.The centre position that water hole 75 is formed on lid 71 of ejecting along impeller 41 rotation upward openings.As shown in Figure 6, a plurality of water holes 75 of ejecting are made into arc along circumferencial direction to small part sector, are the center with the rotation of impeller 41.Ejecting water hole 75 forms mutually with one heart with respect to rotation.Ejecting water hole 75 also is symmetrical arranged with respect to the sweep of channel part 91.Some water flow holes 77 that scatter form in lid 71, promptly are positioned at the top of screw chamber 73, are that the center is opposed mutually to eject water hole 75.

One is sprayed screw 81 and correspondingly is rotatably installed in the screw chamber 73, and the channel part 91 that is used to form the current deflecting path is inserted between the screw 81.Fig. 7 is the perspective view that sprays the amplification of screw and driven wheel.Spraying screw 81 is radial propellers, comprises a propeller shaft parallel with the rotation of impeller 41 83 and several propeller blades 85 that extends along the radial axis of propeller shaft 83.Three propeller blades 85 are pressed the circumferencial direction setting of preset distance along the impeller axis mutually.Spray screw 81 and also have a discoidal cross-brace plate 87, it links to each other with the axial upper end of propeller blade 85 respectively.Transverse plate 87 plays a part will to flow into washings ostium 51 in propeller blade 85 rotary courses washings along the circumferential direction outwards scatter.

Spray screw 81 by a free-ended pinion 89 and driven wheel 57 driven rotary that are installed in cylindric washer 13 bottoms that are installed in propeller shaft 83.Pinion 89 usefulness injection moldings and propeller shaft 83 integrally are manufactured in together.But pinion 89 also can separate manufacturing with propeller shaft 83.Driven wheel 57 has cylindrical shape.On the marginal portion 59 that forms along the base of driven wheel 57, be shaped on a plurality of installing holes 60.Driven wheel 57 combines with installing hole 60 by fixture 61 and is fixed on the bottom of cylindric washer 13.On the circumferential surface of driven wheel 57, be shaped on the thread that tooth a plurality of and pinion 89 is meshed.Therefore, if impeller 41 rotations are contained in the also rotation together of injection screw 81 in the screw chamber 73.Here because spray screw 81 with respect to impeller 41 for the driven wheel 57 of inactive state is meshing with each other, spray screw 81 and rotate with the direction opposite with respect to the direction of rotation of impeller 41.

Simultaneously, be provided with a channel part 91 between two screws 81 in the washings outflow mouth of a river 47 of impeller main body 43, this channel part 91 has the spigot surface 93 of an inclination, and it bends towards respectively and sprays screw 81.The central area of flowing out the mouth of a river 47 at washings is provided with a pair of current deflecting raised structures 63, so that powerful ground matches with channel part 91.Fig. 8 is the partial enlarged drawing of Fig. 3, shows direction protrusion structure 63 in greater detail.Current deflecting raised structures 63 from impeller main body 43 to upper process, with the bottom of contact channels spare 91.Current deflecting raised structures 63 is positioned at the upper reaches in current deflecting path, and this is for the edge of channel part 91.

Impeller 43 and mutually combining of lid 71 are to finish by the engaging groove 65 of engagement edge 79 that is used to engage lid 71 of an engagement edge 79 that forms on the lid 71 and a formation impeller main body 43 in.One outstanding and be arranged on along washings from impeller main body 43 upwardly extending lid build-up members 67 and flow out on the length direction on unlimited limit in water hole 47.Lid build-up member 67 has a unequal radius with respect to the rotation of impeller 41, and is designed to its inwall and closely cooperates with the outer wall of lid 71.With engaging groove 65 with on the disc surfaces that is parallel to being directed downwards of lid build-up member 67 and is pressed in the impeller main body 43 adjacent with lid build-up member 67.The engagement edge 79 that is assemblied in the lid 71 on the lid build-up member 67 is assembled together with groove 65 forcibly.

In the washing machine 1 of the impeller 41 of said structure with preferred embodiment of the present invention, if laundry operations begins, and drive motors 33 is driven, be installed in injection screw 81 in the screw chamber 73 around the rotation rotation of impeller 41, simultaneously again owing to rotating with the interaction that is installed in the driven wheel 57 on cylindric washer 13 bottoms.At this moment, the washings in screw chamber 73 are because the effect of the revolving force of screw 81 and scattering towards centrifugal direction, with along the current deflecting path flow.Meanwhile, the washings of impeller 41 bottoms flow into screw chamber 73.Washings are along the current deflecting path flow, and upwards spray by ejecting water hole 75.Here, the rising washings stream that upwards ejects ejects the mouth of a river 75 through each to be disperseed, and the rotation twist owing to the rotation of impeller 41.Subsequently, symmetrical dispersed current direction rises, and converges into powerful rising water column mutually.Simultaneously, some washings that scatter from screw chamber 73 are discharged through the water flow hole 77 that scatters, and have formed radially the current that scatter up thus.

In the rotary course of impeller 41, injection direction by the water column that ejects the rising of discharging in water hole 75 is relative with the current that the center of the laundry current that circulate along constant direction moves downward, thereby on the one hand, has suppressed the vertical decline of circulating water flow, on the other hand, the current that radially scatter.The washings that scatter are upwards gone out partly by the current that scatter of being discharged by the water flow hole 77 that scatters.Like this, in cylindric washer 13, form torrent, in cylindric washer 13, form a pressure distribution fully uniformly simultaneously.Therefore, prevented the wringing and the winding of clothings in the cylindric washer 13, in this case, the extruding by the center ascending current and the current that scatter has improved the clothes washing ability.

Simultaneously, only just assemble mutually with lid 71 and the impeller 41 that obtains has been described the foregoing description by impeller main body 43.Yet lid 71 also can integrally be made with impeller main body 43.In this case, can realize purpose identical and effect with the above.

According to aforesaid the present invention, a kind of washing machine is provided, wherein in cylindric washer, be washed the center ascending current that produces in the tube and the current that scatter are disperseed, so in cylindric washer, form complete uniform pressure distribution with the current of fixed-direction circulation.Therefore, prevent the wringing and the winding of clothing in the cylindric washer, improved washability simultaneously.

Claims

1. washing machine with cylindric washer comprises:

Relative vertical axis is rotatably installed in the impeller of cylindric washer bottom, and the upper surface of this impeller have at least one be open upwards eject the water hole;

An injection screw that is installed in the impeller is used for respect to the impeller rotation, so that washings are upwards sprayed through ejecting the water hole; And

Be used for rotatably driving the drive unit that sprays screw.

2. washing machine according to claim 1, wherein this injection screw is a radial propeller, comprises a propeller shaft and an a plurality of propeller blade that radially extends along propeller axis that is parallel to the impeller rotation.

3. washing machine according to claim 1, wherein this impeller comprises: a discoidal impeller main body and a lid that combines with the top of impeller, to be formed for assembling the screw chamber of spraying screw; And this ejects the water hole is that the axis along impeller forms on lid.

4. washing machine according to claim 3, wherein this impeller main body is made into to have at least one along the downward washings hand-hole that forms of propeller shaft; And in lid, be formed with the current deflecting path that water hole and screw chamber are ejected in a connection.

5. washing machine according to claim 1, wherein this injection propeller driving device comprises a pinion and the driven wheel with pinion of being used for that is fixed on this cylindric washer bottom surface on the propeller shaft that is installed in this injection screw.

6. washing machine according to claim 5, wherein this driven wheel is an external gear, it is installed with the rotating shaft of impeller is concentric.

7. washing machine according to claim 4 wherein is formed with a plurality of water flow holes that scatter on this lid, be used for radially scattering the washings of self-injection screw.

8. washing machine according to claim 3 also comprises: be installed in the connection lid of axis direction and the jockey of impeller.

9. washing machine according to claim 8, wherein this jockey comprises a lid engagement edge and an engaging groove that is used to assemble this engagement edge that forms in impeller.

10. washing machine according to claim 9, wherein this engagement edge and engaging groove are constituted as the radius that has respectively with respect to impeller rotating shaft non-equivalence.

11. washing machine according to claim 3, a part that wherein ejects the water hole is at least made arc, and this arc forms along the circumferencial direction in the subregion at least of the sector that centers on the impeller rotation.

12. washing machine according to claim 11 wherein ejects the part in water hole at least and constitutes with one heart mutually with respect to the rotation of impeller.

13. washing machine according to claim 1 also comprises:

One between impeller main body and lid, form the channel part in current deflecting path; And one sprayed screw and ejecting the current deflecting raised structures of projection between the water hole, so as with the EDGE CONTACT of this channel part.

14. washing machine according to claim 13, wherein this current deflecting raised structures is positioned at the upper reaches with respect to the channel part edge.

15. washing machine according to claim 2, wherein the quantity of these a plurality of propeller blades is four or less; And comprising a cross-brace plate, it integrally is connected mutually with the axial limit of propeller blade.

16. washing machine according to claim 4 also comprises: the filter of a porous plate shape, it is positioned on the open surfaces of washings hand-hole.