WO2018082565A1

WO2018082565A1 - Washing machine washing with spray and floating action

Info

Publication number: WO2018082565A1
Application number: PCT/CN2017/108934
Authority: WO
Inventors: 朱应喜; 王开明; 翟清明; 徐志伟; 陈涛
Original assignee: 青岛海尔洗衣机有限公司
Priority date: 2016-11-01
Filing date: 2017-11-01
Publication date: 2018-05-11
Also published as: CN108018667A; CN108018667B

Abstract

Disclosed is a washing machine washing with spray and floating action, wherein a gap between an inner drum (2) and an outer drum (1) is in communication with an inner water channel (13) of wave wheel (3) via a connecting water channel (6) provided with a water pump (9); and washing water between the inner and outer drums passes through the connecting water channel and the wave wheel inner water channel and is sprayed into the inner drum by means of spray holes (14) provided on a surface of the wave wheel, and upwardly sprayed water columns are formed in the inner drum which wash laundry. With the above-mentioned arrangement, upwelling water columns are continually formed in the inner drum, thereby washing laundry and alleviating the phenomenon of entwined laundry caused by repeated reversals, and thus avoiding damage to laundry caused by becoming entangled. Moreover, since laundry is continually rolled over in the washing process, the contact area between the laundry and the washing water is increased, and friction is produced between items of laundry, effectively increasing the washing efficiency.

Description

Spray washing machine

Technical field

The present invention relates to a washing apparatus, and more particularly to a washing machine having a spray washing function.

Background technique

In the conventional pulsator washing machine, the pulsator is reversed, and the ribs provided on the surface of the pulsator are used to move the water in the outer tub to generate a forward and reverse rotation, thereby washing the laundry in the inner tub with the rotating water flow. However, this simple washing system makes it easy to cause entanglement and damage during the positive reversal of the pulsator.

In view of this, the present invention has been specifically proposed.

Summary of the invention

It is an object of the present invention to provide a spray-washing washing machine for the purpose of spray-washing laundry.

In order to achieve the above object, the following technical solutions are adopted:

A washing machine for spraying and floating washing, the gap between the inner and outer barrels is connected with the internal water channel of the pulsator via a connecting water channel provided with a water pump, and the washing water between the inner and outer barrels is set by the surface of the pulsator through the connecting water channel and the inner water channel of the pulsator The spray hole is sprayed into the inner tub to form an upwardly sprayed water column in the inner tub to avoid the occurrence of clothing entanglement in the inner tub.

Further, the connecting water channel is composed of an annular water channel disposed between the pulsator and the bottom of the outer tub, the upper end of the annular water channel is connected with the inner water channel of the pulsator, and the lower end is connected with the gap between the bottom of the inner tub and the bottom of the outer tub. through;

Preferably, the annular water channel is disposed coaxially with the outer tub.

Further, the inner side of the bottom of the outer tub is provided with an upwardly protruding groove structure, and the groove structure penetrates into the inner tub through the perforation provided on the bottom of the inner tub, and the back surface of the pulsator is provided with a downwardly extending inner channel of the pulsator And an open structure that is in communication with the groove structure to form an annular water channel.

Further, the hollow portion of the groove structure communicates with the gap between the inner and outer barrels via the connecting pipe provided with the water pump, so that the washing water between the inner and outer barrels flows into the groove structure through the connecting pipe;

Preferably, the outer tub bottom is provided with a downwardly recessed water supply trough, the water supply trough is disposed between the groove structure and the outer circumference of the outer tub bottom, and the bottom of the water supply trough is connected to the hollow portion of the groove structure through the connecting tube The bottom is connected to each other, and the water supply tank is provided with a water pump for supplying the washing water between the inner and outer barrels to the connecting pipe.

Further, the bottom of the inner barrel is provided with a boss type which is convexly extended upward, and the boss type is coaxially arranged with the inner barrel, the inner part of the boss type is hollow, and the top is provided with a perforation; the opening structure of the wave wheel is set on the boss pressure The outer portion of the groove is inserted into the inner portion of the boss, and the groove structure is connected to the opening structure via the through hole.

Further, the inner barrel bottom is provided with two annular convex ribs extending upward and upward, the two annular convex ribs are coaxially arranged with different diameters, and the interval between the annular convex ribs constitutes a perforation; the two annular convex ribs constitute The side wall of the boss pressing type, the outer side wall of the boss pressing type is correspondingly inserted with the pulsator opening structure, and the inner side wall of the boss pressing type is inserted into the groove structure.

Further, the opening structure of the pulsator is composed of two first annular water retaining rings extending downward from the lower back surface of the pulsator, and the two first annular water retaining rings are coaxially arranged with an unequal diameter; the first ring The upper end of the gap between the water retaining rings is in communication with the inner water channel of the pulsator, and the lower end is correspondingly inserted with the boss pressing type of the inner tub bottom to form a water channel.

Further, the groove structure of the bottom of the outer tub is composed of two second annular water retaining rings extending upward from the inner side of the outer bottom of the outer tub, and the two second annular water retaining rings are arranged coaxially with the same diameter, and the second ring shape The lower end of the gap between the water retaining rings communicates with the gap between the inner and outer barrels via the connecting pipe, and the upper end is correspondingly inserted with the boss pressing type of the inner bottom of the barrel to form a water channel.

Further, an inner flange and a lower flange are respectively disposed on an inner side and an outer side of the inner bottom of the inner tub, and the upper flange is provided with a first upper flange inserted between the opening structure and the outer wall of the boss pressing type, the lower portion The flange has a second upper flange that is inserted between the inner wall of the boss and the groove structure.

Further, the pulsator surface is provided with a plurality of spray holes, each of which is in communication with the inner water passage of the pulsator to spray the wash water flowing into the pulsator upward into the inner tub.

In the present invention, the gap between the inner and outer barrels of the washing machine is connected to the inner water channel of the pulsator via the connecting water channel, so that the washing water between the inner and outer barrels is sprayed by the surface of the pulsator after connecting the internal water channel of the water channel and the pulsator. The hole is sprayed into the inner tub to realize the spraying of the washing water flow from the bottom up in the inner tub during the washing process of the washing machine, so that the laundry in the inner tub is impacted by the water flow to generate the floating motion, thereby avoiding the occurrence of the clothing entanglement in the inner tub. Improve the washing effect of the washing machine. At the same time, due to the continuous rolling movement of the laundry during the washing process, the contact area between the laundry and the washing water is increased, and the clothes are rubbed against each other, thereby effectively improving the washing effect.

Through the above arrangement, the outer tub and the pulsator are plugged and connected through the annular structure of the inner tub, so that the washing water between the inner and outer tubs can flow into the inner waterway of the pulsator through the annular structure and spray the laundry into the inner tub, in the inner tub. Formation from the bottom The floating water flow on the upper part drives the clothes in the inner tub to produce the spray washing effect; at the same time, the water passage formed by the ring-shaped plug-in structure can ensure that the inner barrel and/or the pulsator can generate relative rotation around the outer drum shaft, and the spray washing water flow is generated. The water channel will not be destroyed, so that the washing water between the inner and outer barrels can be sucked into the interior of the pulsator while rotating to produce a floating washing effect.

Further, flanges are respectively arranged on the upper and lower sides of the inner tub, and a flange structure correspondingly connected to the connecting water channel is arranged on the flange to form a flange at the plug connection forming the connecting water channel, thereby reducing the washing process. Wear the inner barrel, the pulsator and other components, and increase the stress intensity at the plug joint, thereby achieving the purpose of improving the washing effect.

At the same time, the invention has simple structure and remarkable effect, and is suitable for popularization and use.

DRAWINGS

1 and 2 are schematic structural views of a washing machine in an embodiment of the present invention;

3 is a schematic cross-sectional structural view of a washing machine in an embodiment of the present invention;

4 is a schematic enlarged view of a portion A of FIG. 3 in the embodiment of the present invention;

FIG. 5 is a schematic structural view of an outer tub of a washing machine in an embodiment of the present invention; FIG.

Figure 6 is a schematic view showing the explosion structure of the inner tub of the washing machine in the embodiment of the present invention;

Figure 7 is a schematic view showing the structure of a pulsator of a washing machine in an embodiment of the present invention.

Main components: 1 - outer barrel, 2 - inner barrel, 3 - pulsator, 4 - outer barrel bottom, 5 - inner barrel bottom, 6 - connecting water channel, 7 - water supply tank, 8 - connecting tube, 9 - water pump, 10 - Groove structure, 11 - boss pressing type, 12 - opening structure, 13 - internal water channel, 14 - spray hole, 15 - perforation, 16 - first annular water retaining ring, 17 - second annular water retaining ring , 18—ring rib, 19—upper flange, 20—lower flange, 21—first upper hem, 22—second upper hem, 23—connecting rib.

detailed description

The present invention will be further described in detail below with reference to the embodiments.

As shown in FIG. 1 to FIG. 7 , an embodiment of the present invention introduces a spray washing washing machine, which comprises an outer tub 1 , an inner tub 2 set in the outer tub 1 , and a pulsator 3 placed in the inner tub 2 ; A motor is mounted under the tub 1 and the motor is meshed with the inner tub 2 and/or the pulsator 3 via a reduction transmission mechanism to drive the inner tub 2/or the pulsator 3 to rotate, and the washing water in the outer tub is agitated to wash the laundry in the inner tub. Or rotate the clothes in the inner tub to dry. In the embodiment of the present invention, the gap between the inner and outer barrels of the washing machine is connected to the internal water channel 13 of the pulsator 3 via the connecting water channel 6 provided with the water pump 9, and the washing water between the inner and outer barrels is connected to the internal water channel of the water wheel 6 and the pulsator. 13, a spray hole 14 provided by the surface of the pulsator 3 Sprayed into the inner tub 2 to effect washing of the laundry. During the washing process, the washing water column that is sprayed from the bottom up is sprayed, and the laundry in the inner tub generates a floating motion under the impact of the water flow, avoiding entanglement and improving the washing effect of the washing machine.

Embodiment 1

As shown in FIG. 3 and FIG. 4, in the present embodiment, the connecting water channel 6 is constituted by an annular water channel provided between the pulsator 3 and the outer tub bottom 4, and the upper end of the annular water channel and the inner portion of the pulsator 3 The water channel 13 is in communication, and the lower end communicates with the gap between the inner tub bottom 5 and the outer tub bottom 4 such that the washing water between the inner and outer tubs flows uniformly under the inner tub through the annular connecting water channel 6; preferably, the ring The connecting water channel 6 is disposed coaxially with the outer tub 1; further preferably, the connecting water channel 6 is arranged to have a circumferential diameter which is one-half of the outer diameter of the outer tub 1, so that the connecting water channel is disposed in the middle of the inner tub, so that the connecting waterway flows in. The water flow covers as much as possible the entire area of the inner barrel.

In this embodiment, the inner side of the outer tub bottom 4 is provided with an upwardly protruding groove structure 10, and the groove structure 10 is inserted into the inner tub 2 through the perforation 15 provided on the inner tub bottom 5, and the lower side of the pulsator 3 is disposed. There is an opening structure 12 extending downwardly communicating with the internal water channel 13 of the pulsator 3, the opening structure 12 being sealingly inserted into the groove structure 10 to form an annular connecting water channel 6. By inserting and connecting the groove structure on the bottom of the outer tub to the opening structure on the pulsator, the purpose of forming a sealed water channel for the washing water to flow from the inner and outer barrels to the inside of the pulsator and then injecting the laundry into the inner tub is achieved; It also enables the relative rotation between the inner tub and the pulsator under the action of the annular plug structure, and the washing and drying of the laundry is not affected by the spray water flow.

In this embodiment, the inner barrel bottom 5 is provided with a boss pressing type 11 extending upward and upward, and the boss pressing type 11 is arranged in an annular shape coaxial with the inner barrel 2, and the boss pressing type 11 is hollow inside and upper and lower ends respectively. The opening is arranged, and the hollow chamber of the boss pressing type 11 and the upper and lower end openings together constitute a through hole 15 for the connecting water channel 6 to pass through the inner tub bottom 5; the opening structure 12 of the pulsator 3 is set outside the boss pressing type 11, the groove The structure 10 is inserted into the interior of the boss molding 11, and the groove structure 10 communicates with the opening structure 12 via the through holes 15. By providing the boss pressing type, the inner bottom of the inner tub and the pulsator, the bottom of the inner tub and the bottom of the outer tub are respectively connected by plugging, and the contact area of the plugging portion is enlarged, and the wear of the stress is reduced.

In this embodiment, the specific structure of the boss pressing type 11 is as follows: the inner barrel bottom 5 is provided with two annular ribs 18 extending upward and upward, and the two annular ribs 18 are coaxially unequally arranged, and the two rings are arranged. The upper ends of the ribs 18 are connected by a plurality of spaced apart connecting ribs 23, and the spacing between the connecting ribs 23 constitutes a through hole; the lower end of the two ring ribs 18 is inserted into the groove structure 10 provided on the outer tub bottom 4. So that the gap between the two annular ribs 18 constitutes a perforation 15 for the connecting water channel 6 to pass through the bottom of the inner tub; the two annular ribs 18 constitute the outer side wall of the boss molding 11, and the opening structure of the pulsator 3 12 correspondingly fit and plug. By connecting the upper ends of the two ring-shaped ribs through the spaced connecting ribs, the bosses are pressed on both sides The bottom of the inner barrel is connected by the connecting ribs so that the inner bottom of the barrel is a unitary structure to facilitate assembly of the washing machine; and the water in the connecting water passage can pass through the through hole between the connecting ribs through the inner bottom of the barrel.

In this embodiment, the opening structure 12 of the pulsator 3 is composed of two first annular water retaining rings 16 extending downward from the lower surface of the pulsator 3, and the two first annular water retaining rings 16 are coaxial. The diameter is set; the upper end of the gap between the first annular water retaining ring 16 communicates with the inner water channel 13 of the pulsator 3, and the lower end is inserted corresponding to the boss pressing pattern 11 of the inner tub bottom 5 to form a water channel.

In this embodiment, the groove structure 10 of the outer tub bottom 4 is composed of two second annular water retaining rings 17 extending upward from the inner side of the outer tub bottom 4, and the two second annular water retaining rings 17 are coaxial. In the equal diameter setting, the lower end of the gap between the second annular water retaining ring 17 communicates with the gap between the inner and outer barrels, and the upper end is correspondingly inserted with the boss pressing pattern 11 of the inner tub bottom 5 to form a water channel.

Through the above arrangement, the outer tub and the pulsator are plugged and connected through the annular structure of the inner tub, so that the washing water between the inner and outer tubs can flow into the inner waterway of the pulsator through the annular structure and spray the laundry into the inner tub, in the inner tub. Forming a spray flow from bottom to top to drive the laundry in the inner tub to produce a spray cleaning effect; at the same time, the water passage formed by the ring insert structure can ensure that the inner tub and/or the pulsator can generate relative rotation around the outer drum shaft, and The water channel that sprays the washing water flow is not destroyed, so that the washing water between the inner and outer barrels can be sucked into the interior of the pulsator while rotating to produce a spray washing effect.

Embodiment 2

As shown in FIG. 3 to FIG. 6 , in the present embodiment, the inner flange and the outer flange of the inner tub bottom 5 are respectively provided with an upper flange 19 and a lower flange 20 to improve the structural strength of the inner tub bottom and to make the torsion resistance of the inner tub bottom stronger. . The upper flange is clamped between the bottom of the inner tub and the pulsator, and the lower flange is installed between the bottom of the inner tub and the bottom of the outer tub, so that the flange is subjected to rotation during the rotation of the inner tub and/or the pulsator The resulting wear and tear, improve the life of the washing machine.

Meanwhile, in the present embodiment, in order to be applied to the washing machine for the spray washing described in the above embodiment, the improvement is compared with the first embodiment: the upper flange 19 is provided with the opening structure 12 and the convex portion. A first upper flange 21 between the outer walls of the pressure molding type 11 is provided, and the lower flange 20 is provided with a second upper flange 22 interposed between the inner wall of the boss molding 11 and the groove structure 10.

Therefore, a flange structure with a strong strength is arranged at the plug connection between the inner tub and the outer tub and the pulsator, so that the rotational wear of the plug is received by the flange structure to reduce the wear of important components such as the inner tub and the pulsator. Improve the life of the washing machine.

In this embodiment, the upper surface of the upper flange 19 protrudes upward to extend two first upper flanges 21, and the two first upper flanges 21 are coaxially disposed at different diameters. The upper end of the gap between the two first upper flanges 21 is connected by a plurality of spaced apart, radially extending connection profiles, the upper end being inserted into the opening structure 12; and the lower end opening being provided for the boss compression molding.

In this embodiment, the upper surface of the lower flange 20 protrudes upward to extend two second upper flanges 22, and the two second upper flanges 22 are coaxially disposed at different diameters. The upper end of the gap between the two second upper flanges 22 is connected by a plurality of spaced apart, radially extending connection profiles, the upper end is inserted into the boss molding 11; the lower end opening is provided for the groove structure 10 to be inserted .

Flanges are respectively arranged on the upper and lower sides of the inner tub, and a flange structure correspondingly connected to the connecting water channel is arranged on the flange to form a flange at the plug connection forming the connecting water channel, thereby reducing the inner barrel in the washing process Wear of components such as pulsators, and increase the stress intensity at the plug joints, thereby achieving the purpose of improving the washing effect.

Embodiment 3

As shown in FIG. 3 to FIG. 5, in the present embodiment, the hollow portion of the groove structure 10 provided on the outer tub bottom 4 is connected to the gap between the inner and outer tubs via the connecting tube 8 provided with the water pump 9, so that the inner and outer barrels are connected. The wash water between the two flows into the groove structure 10 via the connecting pipe 8.

Preferably, the outer tub bottom 4 is provided with a downwardly recessed water supply tank 7, the water supply tank 7 is disposed between the groove structure 10 and the outer circumference of the outer tub bottom 4, and the bottom of the water supply tank 7 is connected through the connecting pipe 8. The water supply tank 7 is provided with a water pump 9 for supplying the washing water between the inner and outer barrels to the connecting pipe 8 in communication with the bottom of the hollow portion of the groove structure 10.

Through the above arrangement, the washing water between the inner and outer barrels acts through the water pump, flows to the connecting pipe and enters the groove structure, and then enters the inner water channel of the pulsator through the connecting water channel, and finally is sprayed into the inner barrel through the spray hole, forming in the inner barrel. With pressurized jet water column. The pressurized jet water column impacts the clothes in the inner tub to produce the floating motion, avoids entanglement, and improves the washing efficiency.

Embodiment 4

As shown in FIG. 3 and FIG. 7 , in the embodiment, the surface of the pulsator 3 is provided with a plurality of shower holes 14 , and each of the spray holes 14 communicates with the internal water channel 13 of the pulsator 3 to inflow waves. The washing water in the wheel 3 is sprayed upward into the inner tub 2 through the spray hole 14.

Embodiment 5

As shown in FIG. 1 and FIG. 2, in the embodiment, the washing and washing washing machine according to any one of Embodiments 1 to 5 is subjected to the following steps:

The washing water between the inner and outer barrels flows downwards and flows to the connecting pipe through the water pump; then flows into the connecting water channel through the connecting pipe, and sequentially flows through the groove structure provided at the bottom of the outer tub, the boss pressing type provided at the bottom of the inner tub, The opening structure provided on the perforation and the pulsator; then flows into the internal water channel of the pulsator, and is sprayed into the inner barrel through the spray hole provided on the surface of the pulsator to generate a gushing water column from the bottom up in the inner barrel to drive the clothes in the inner barrel The spray motion is generated; finally, the washing water in the inner tub flows into the inner and outer tubs through the dewatering holes provided in the inner tub to form a circulation of the spray washing water flow.

By performing the above-mentioned spray washing on the laundry in the inner tub of the washing machine, the overflowing water column is continuously formed in the inner tub, thereby scouring the laundry and reducing the entanglement caused by repeated reversal of the laundry, thereby avoiding damage caused by the wrapping of the clothes. At the same time, in the above manner, the clothes are continuously tumbling to increase the contact area between the clothes and the washing water, and the clothes are rubbed against each other, thereby effectively improving the washing effect.

The embodiments of the present invention may be further combined or substituted, and the embodiments are merely described for the preferred embodiments of the present invention, and are not intended to limit the scope and scope of the present invention. Various changes and modifications made by those skilled in the art to the technical solutions of the present invention are within the scope of the present invention.

Claims

The utility model relates to a washing machine for spray washing, characterized in that: the gap between the inner and outer barrels is connected with the inner water channel of the pulsator via a connecting water channel provided with a water pump, and the washing water between the inner and outer barrels is connected to the water channel of the pulsator through the internal water channel of the pulsator. The spray hole provided on the surface of the wheel is sprayed into the inner tub, and an upwardly jetted water column is formed in the inner tub to wash the laundry.
A washing machine for spray washing according to claim 1, wherein said connecting water passage is constituted by an annular water passage provided between the pulsator and the bottom of the outer tub, and the upper end of the annular water passage and the inner portion of the pulsator The water channel is in communication, and the lower end is connected to a gap between the inner tub bottom and the outer tub bottom;

Preferably, the annular water channel is disposed coaxially with the outer tub.
A spray-washing washing machine according to claim 2, wherein the inner side of the outer tub bottom is provided with an upwardly convex groove structure, and the groove structure is inserted into the inner tub through a perforation provided on the inner bottom of the inner tub. The back surface of the pulsator is provided with an opening structure extending downwardly communicating with the inner channel of the pulsator, and the opening structure is sealed and inserted with the groove structure to form an annular water channel.
A washing machine for spraying and floating washing according to claim 3, wherein the hollow portion of the groove structure is connected to the gap between the inner and outer barrels via a connecting pipe provided with a water pump, so that the washing water between the inner and outer barrels is Flowing into the groove structure through the connecting pipe;

Preferably, the outer tub bottom is provided with a downwardly recessed water supply trough, the water supply trough is disposed between the groove structure and the outer circumference of the outer tub bottom, and the bottom of the water supply trough is connected to the hollow portion of the groove structure through the connecting tube The bottom is connected to each other, and the water supply tank is provided with a water pump for supplying the washing water between the inner and outer barrels to the connecting pipe.
A spray-washing washing machine according to claim 3, wherein the bottom of the inner tub is provided with a boss type which is extended upwardly and convexly, and the boss is formed in a ring shape coaxially with the inner tub, and the boss presses The inner part is hollow and the top is provided with perforations; the opening structure of the pulsator is set on the outside of the boss pressing type, the groove structure is inserted into the inside of the boss pressing type, and the groove structure is connected with the opening structure through the perforation.
A washing and washing machine for washing and floating according to claim 5, wherein the bottom of the inner tub is provided with two annular ribs extending upward and upward, and the two annular ribs are coaxially arranged with an unequal diameter. The spacing between the ribs constitutes a perforation; the two annular ribs form a side wall of the boss pressing type, and the outer side wall of the boss pressing type is correspondingly inserted with the pulsator opening structure, and the inner side wall of the boss pressing type The groove structure is inserted.
A spray-washing washing machine according to claim 5, wherein the opening structure of the pulsator is composed of two first annular water retaining rings extending downward from the lower surface of the pulsator, the first two Ring retaining ring coaxial The diameter is set; the upper end of the gap between the first annular water retaining ring is in communication with the inner water channel of the pulsator, and the lower end is correspondingly inserted with the boss pressing type of the inner tub bottom to form a water channel.
A washing machine for spraying and floating washing according to claim 5, wherein the groove structure of the bottom of the outer tub is composed of two second annular water retaining rings extending upward from the inner side of the bottom of the outer tub, two passages The second annular water retaining ring is coaxially arranged with an unequal diameter, and the lower end of the gap between the second annular water retaining ring is connected with the gap between the inner and outer barrels via the connecting pipe, and the upper end is correspondingly connected with the boss pressing type of the inner bottom of the barrel. To form a waterway.
A spray-washing washing machine according to any one of claims 5 to 8, wherein the inner and outer sides of the inner tub bottom are respectively provided with an upper flange and a lower flange, and the upper flange is provided with a plug And a first upper flange formed between the opening structure and the convex outer wall of the boss, and the lower flange is provided with a second upper flange inserted between the inner wall of the boss and the groove structure.
The spray-washing washing machine according to any one of claims 1 to 9, wherein the surface of the pulsator is provided with a plurality of spray holes, each of which is connected to the inner water passage of the pulsator, The washing water flowing into the pulsator is sprayed upward into the inner tub.