JP3162574B2 - Dehydration combined washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine which is used for both dehydration and washing, in which water is poured into an inner tub through an inner lid.

[0002]

2. Description of the Related Art Conventionally, this type of combined dehydration and washing machine has been provided with a structure as shown in FIGS. In this case, a concave water injection receiving part 3 is formed in a ring-shaped outer tank cover 2 attached to the upper edge of the outer tank 1, and the outer tank cover 2 is opened and closed by a support shaft 4 adjacent thereto. A concave water receiving portion 6 is also formed on the inner lid 5 that is pivotably attached to the inner lid 5, and a water injection hole 7 is formed in the water receiving portion 6 so as to be arranged in an arc along the inner peripheral surface of the inner tank 8. I have.

[0003] In this configuration, before washing, the top cover 9
Water required for washing is supplied together with the detergent through the detergent reservoir 11 from the water supply valve 10 therein, and the water is received by the water injection receiving unit 3,
The water flows into the water receiving portion 6 and is injected into the inner tank 8 from each water injection hole 7 in a shower shape. When rinsing, so-called dehydration rinsing is performed by rotating the inner tank 8 while similarly injecting only water.

[0004]

In the case of the above construction, the water is injected into the inner tank 8 along the inner peripheral surface of the inner tank 8 by the arrangement of the water injection holes 7 in the water receiving portion 6.
There was a problem that only the laundry along the inner peripheral surface of the inner tub 8 could be efficiently poured with water. Further, the water supplied from the water supply valve 10 also has a problem that when the water pressure of the water source is particularly high, the water rebounds greatly when it is received by the water injection receiving section 3 and scatters on the floor surface to wet it. Was. Furthermore, before washing, when the detergent is received by the water receiving part 3, the detergent scatters on the water receiving part 3 and the water receiving part 6, and the water separated from the water remains on the water receiving part 3. Had problems.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and accordingly, it is an object of the present invention to provide a washing machine capable of injecting laundry into an inner tub as efficiently as possible and to reduce water splashing. Another object of the present invention is to provide a combined use washing machine and a combined use of a dehydration washing machine and a washing machine capable of supplying a detergent without leaving a residue as much as possible.

[0006]

In order to achieve the above-mentioned object, a dehydrating and washing machine according to the present invention comprises an outer tub and an inner tub disposed inside the outer tub, and the outer tub is provided on the outer tub. edge mounted a ring-shaped outer tub cover portion, and comprises a lid inner openably and closably hinged to the outer tub cover, the inner tank
Rinsing, rinsing, and dehydration by rotating the inner tank
In the above configuration, a concave water receiving portion for receiving water supplied from a water supply source is formed in the outer tank cover, and water flowing from the water receiving portion in the inner lid in a concave shape deeper than the water receiving portion. forming a water receiving portion for receiving a, by forming side by side in chord specific linearly with respect to the circular arc surface of the inner tank peripheral water injection to the water injection hole toward the inside tank above the water receiving portion, both ends thereof Water injection
The hole is located near the inner peripheral surface of the inner tank,
It is characterized in that it is located closer to the center of the inner tank .

In this case, it is preferable that the water injection hole is formed in almost the entire area of the water receiving portion. Also, the water injection receiving portion may have a drainage hole disposed along the inner peripheral surface of the inner tank, and the outer edge of the water receiving portion adjacent to the water receiving portion may have an arc-shaped projecting portion,
It is preferable that the overhanging portion also has a drain hole.

Further, each of the water injection holes has a substantially semicircular shape in which a portion on the center side of the inner lid is linear and a portion on the outer circumference side is arc-shaped, and has a gradually decreasing slope at the center side. It is good to have a rib on the lower edge of the side part. In addition, the water injection receiving section may have a water impermeable wall outside a portion adjacent to the water receiving section.

[0009]

[Action] By forming side by side in chord specific linearly with respect to the arc surface of the inner periphery the inner tank water receiving portion to the water injection hole, and close positions on the inner peripheral surface of the inner tank water injection holes of the both ends is, having the configuration center side of the water injection hole was positioned in the center of the <br/> it from inner tub
Thus , water can be widely poured from the laundry near the inner peripheral surface of the inner tub to the laundry on the center side thereof. Also, in this case,
In particular, when the water injection hole is formed in almost the entire area of the water receiving portion, water can be injected over a wider range.

[0010] On the other hand, in the case where the water receiving portion is disposed along the inner peripheral surface of the inner tub and has a drain hole, it is possible to pour water even to laundry located closer to the inner peripheral surface of the inner tub. In the case where the outer periphery of the water receiving portion has an arc-shaped overhanging portion adjacent to the water receiving portion, water can be diffused from the overhanging portion, and water can be uniformly injected from each of the water injection holes. The water can also reach the detergent scattered in the part and flow out. Furthermore, in the case where the overhanging portion of the water injection receiving portion also has a water drainage hole, the water received by the water injection receiving portion is drained from the water drainage hole to reduce the water force,
Water splashing can be reduced.

Each of the water injection holes has a substantially semicircular shape in which the portion on the center side of the inner lid is linear and the portion on the outer peripheral side is an arc.
With a gradually descending slope on the center side and a rib on the lower edge on the outer side, the inner tank is rotated by the centrifugal force of the inner tank during dehydration rinsing while expanding the water injection range. Water can be effectively injected into the laundry located closer to the inner peripheral surface. In addition, in the case where the water injection receiving portion has a water impervious wall outside the portion adjacent to the water receiving portion, the scattering of the detergent and the diffusion of the water at the water pouring receiver can be stopped by the water impervious wall. .

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. First, FIG. 2 shows a configuration of the entire dehydrating / washing machine, in which an outer tub 22 is disposed in an outer box 21 while being supported by an elastic suspension mechanism 23 (only part of which is shown).
An inner tank 24 is provided inside the outer tank 22. In addition, a stirring member 25 is disposed at the bottom in the inner tank 24, and a drive mechanism 27 mainly including a motor 26 is disposed outside the outer tank 22 below the stirrer 25. The inner tank 24 is stopped at the time of washing and rinsing, and the stirring body 25 is rotated, and the inner tank 24 is rotated together with the stirring body 25 at the time of dehydration rinsing and dehydration.

In detail, the inner tank 24 has a dewatering hole 29 only in the upper part where the balance ring 28 is mounted, and the dewatering hole 29 is removed from the dewatering hole 29 through a gap between the balance ring 28 and the upper part. It is supposed to. or,
On the other hand, a flat ring-shaped outer tank cover 30 is mounted on the upper part of the outer tank 22, and the inner lid 31 is attached to the outer tank cover 30.
Is pivotally supported by a rear support shaft 32 so as to be vertically rotatable so as to open and close an opening in the outer tank cover 30. Therefore, the inner lid 31 covers the upper part of the inner tank 24 in the closed state, and the outer tank cover 30 is located around the inner tank 24.

In the center of the rear part of the outer tub cover 30, a water injection receiving part 33 is formed by a rectangular concave part shown in FIGS. 1, 3, and 4. Lid 31
In the center of the rear part, a water receiving part 34 is formed by a semicircular concave part deeper than the water receiving part 33.

Of these, at the bottom of the water receiving portion 33, at the approximate center of the front edge which is the portion adjacent to the water receiving portion 34,
The outer edge 35a forms an overhang portion 35 having an arc shape,
In this overhanging portion 35, for example, three drain holes 36 are arranged side by side, with one in the center located at the rear.
The inner tank 24 is formed along the inner peripheral surface. Further, behind the drain hole 36, for example, eight drain holes 37 having a diameter larger than that of the drain hole 36 are arranged side by side with two central holes positioned rearward, thereby similarly forming the inner tank 24. It is formed along the inner peripheral surface, and behind (outward)
An arc-shaped impermeable wall 38 is provided upright surrounding both the drain holes 36 and 37 and located at the front edge of the water receiving portion 33 at both ends.

On the other hand, at the bottom of the water receiving portion 34, a water injection hole 39 is formed almost entirely. In this case, the water injection hole 39
Is, for example, divided into six rows before and after, and the inner tank 2
4 are formed in such a manner as to be arranged in a chordal straight line with respect to the arcuate surface of the inner circumference , whereby the water injection holes at both ends thereof are formed.
39 is located near the inner peripheral surface of the inner tank 24 and has a water injection hole on the center side.
39 is positioned closer to the center of the inner tank 24 than that. As shown in FIGS. 5 to 7, each of the water injection holes 39 has a substantially semicircular shape in which the central portion of the inner lid 31 is linear and the outer peripheral portion is an arc. Is formed so as to have a gradually descending inclined surface 40 and to have a rib 41 at the lower edge of the outer peripheral side portion.

The other part of the inner lid 31 has a dome shape as a whole except that it has a bank 42 at the outer periphery and a recess 44 at the front of which a handle 43 for holding is located. . As shown in FIG. 2, a top cover 45 is mounted on the upper end of the outer box 21 above the inner lid 31 and the outer tub cover 30. The top cover 45 is provided with an outer lid 46 and a water injection receiving section. 33 and a detergent reservoir 47
And a water supply valve 48, which is a water supply source for supplying water to the water receiving portion 33, particularly to the overhang portion 35 thereof, through the detergent reservoir 47.

Now, in the case of the structure as described above,
Before washing, water necessary for washing is supplied from the water supply valve 48 through the detergent reservoir 47 together with the detergent.
Is received by the overhang portion 35 and diffuses from the arc-shaped outer edge 35a of the overhang portion 35 while partially removing the water from the drain holes 36 and 37. The diffused water and detergent flow into the water receiving portion 34 and are received, and are injected into the inner tub 24 from each of the water injection holes 39 in a shower shape. At the time of rinsing, so-called dehydration rinsing is performed by rotating the inner tub 24 while similarly injecting only water.

In those cases, the water injection hole 39 is provided on the inner periphery of the inner tank 24.
Of forms side by side in chord specific linear water receiving portion 34 with respect to the circular arc surface, whereby the injection hole 39 of the both ends is located close to the inner peripheral surface of the inner tank 24, the respective central side The water injection hole 39 is located closer to the center of the inner tank 24 .
Thus, water can be widely injected from the laundry near the inner peripheral surface of the inner tub 24 to the laundry on the center side thereof, and the arc-shaped water injection can only be injected along the inner peripheral surface of the conventional inner tub. It is possible to more efficiently pour the laundry in the inner tub 24 than the holes,
Rinsing efficiency and the like can be improved.

Further, since the water injection hole 39 is formed in almost the entire area of the water receiving portion 34, water can be injected over a wider area, and the efficiency of rinsing can be further improved. On the other hand, since the water injection receiving portion 33 has the drain hole 37 arranged along the inner peripheral surface of the inner tub 24, it is possible to inject water even to the laundry located closer to the inner peripheral surface of the inner tub 24, thereby also improving the rinsing efficiency. Etc. can be further improved.

In addition, the outer periphery of the water receiving portion 33 adjacent to the water receiving portion 34 has an arc-shaped overhanging portion 34, and water can be diffused from the overhanging portion 34. In addition to being able to uniformly inject water from the water injection hole 39, the water can reach the detergent scattered in the water receiving portion 34 and flow out, so that no detergent remains. Further, since the overhanging portion 34 of the water injection receiving portion 33 has the water draining hole 36, by draining the water received by the water injection receiving portion 33 from the water draining hole 36, the water force can be reduced and the water splash can be reduced, It does not wet the floor.

Each of the water injection holes 39 has a substantially semicircular shape in which the portion on the center side of the inner lid 31 is linear and the portion on the outer peripheral side is arc-shaped, and has a gradually decreasing slope 40 on the center side thereof. Since the rib 41 is provided at the lower edge of the outer peripheral portion, water can be injected in the inner peripheral surface direction of the inner tub 24 as shown by an arrow B in FIG. By such means, the laundry located closer to the inner peripheral surface of the inner tub 24 can be effectively injected with water.

In addition, since the water receiving portion 33 has the water blocking wall 38 outside the portion adjacent to the water receiving portion 34, the water receiving portion 33
Can be stopped by the impermeable wall 38, and similarly, the detergent can be flushed out with the water stopped by the impermeable wall 38 as much as possible.

[0024]

The dehydrating and washing machine of the present invention is as described above, and has the following effects. First, an outer tub and an inner tub disposed inside the outer tub are provided, a ring-shaped outer tub cover attached to an upper edge of the outer tub, and a pivotally openable and closable pivot on the outer tub cover. With a worn inner lid,
Washing and rinsing in the inner tank, rotation of the inner tank
In the dewatering device, a concave water receiving portion for receiving water supplied from a water supply source is formed in the outer tank cover, and the inner lid has a concave shape deeper than the water receiving portion in the inner lid. A water receiving portion for receiving the inflowing water is formed, and a water injection hole for injecting water into the inner tank is formed in the water receiving portion with respect to an arcuate surface of the inner periphery of the inner tank.
And by forming side by side in chord specific straight, that both
The water injection hole at the end is located near the inner peripheral surface of the inner tank, and the water injection hole at the center is
Since the water hole is located at the center of the inner tub, the water can be widely poured from the laundry near the inner peripheral surface of the inner tub to the laundry at the center of the inner tub. Water can be injected as efficiently as possible, and the efficiency of rinsing and the like can be improved.

Second, since the water injection hole is formed in almost the entire area of the water receiving portion, water can be injected over a wider area, and the efficiency of rinsing can be further improved. Third
In addition, by forming a drain hole in the above-mentioned water receiving portion in the arrangement along the inner peripheral surface of the inner tub, it is possible to inject water to the laundry located closer to the inner peripheral surface of the inner tub, and the rinsing efficiency and the like are also good. can do.

Fourthly, since the outer periphery of the water receiving portion has an arc-shaped projecting portion adjacent to the water receiving portion, the water projecting portion diffuses from the projecting portion to form each water receiving hole of the water receiving portion. Water can be evenly poured from the water, and the water can also reach the detergent scattered in the water receiving portion and flow out, so that no detergent remains can be produced. ◎ Fifth, the overhanging portion of the water receiving portion By forming the water drainage hole, water received by the water injection receiving part is drained from the water drainage hole to reduce the water force and reduce water splashing.

Sixthly, the water injection hole is formed in a substantially semicircular shape in which the center part on the inner lid side is linear and the part on the outer peripheral side is arc-shaped, and a gradually decreasing slope is formed in the center part. By forming a rib on the lower edge of the outer peripheral part, water can be injected in the inner peripheral surface direction of the inner tank, and it is located closer to the inner peripheral surface of the inner tank due to the rotational centrifugal force of the inner tank during dehydration and rinsing. Effective water can be injected into the washed laundry.

Seventh, since the impermeable wall is formed outside the portion of the water receiving portion adjacent to the water receiving portion, the scattering of the detergent at the water receiving portion can be stopped by the impermeable wall. It is possible to flush out as much detergent as possible with water whose diffusion is likewise stopped by its impermeable walls.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part showing an embodiment of the present invention.

FIG. 2 is an overall cutaway side view.

FIG. 3 is a plan view of a water receiving portion of the outer tank cover and a water receiving portion of the inner lid.

FIG. 4 is a longitudinal sectional side view of the same part.

FIG. 5 is a plan view of one of water injection holes.

FIG. 6 is a sectional view taken along the line AA of FIG. 5;

FIG. 7 is a rear view of one of the water injection holes.

FIG. 8 is a diagram corresponding to FIG. 2 showing a conventional example.

FIG. 9 is a diagram corresponding to FIG. 1;

[Explanation of symbols]

22 is an outer tank, 24 is an inner tank, 30 is an outer tank cover, 31 is an inner lid, 33 is a water injection receiving section, 34 is a water receiving section, 35 is an overhanging section,
5a is the outer edge of the overhang portion, 36 and 37 are drain holes, 38 is a water impervious wall, 39 is a water injection hole, 40 is a slope, 41 is a rib, and 48 is a water supply valve (water supply source).

Continuation of front page (56) References JP-A-7-185191 (JP, A) JP-A-7-289780 (JP, A) JP-A-63-292999 (JP, A) JP-A-58-54998 (JP) JP-A-7-24183 (JP, A) JP-A-59-188092 (JP, U) JP-A-56-122487 (JP, U) JP-A-59-44987 (JP, U) JP-A 56-164790 (JP, U) Japanese Utility Model 2-51890 (JP, U) Japanese Utility Model 2-43990 (JP, U) Japanese Utility Model 2-149 (JP, Y2) Japanese Utility Model Sho 62-11592 (JP, U.S.A.) Y2) Jikken Hei 5-15920 (JP, Y2) (58) Field surveyed (Int. Cl. ⁷ , DB name) D06F 39/08 301 D06F 37/18

Claims (7)

(57) [Claims] An outer tub and an inner tub disposed inside the outer tub, a ring-shaped outer tub cover attached to an upper edge of the outer tub, and an outer tub cover that can be opened and closed. Equipped with a pivotally attached inner lid, washing and rinsing in the inner tank,
In what was made to perform dehydration by rotation of the inner tank,
The outer tank cover has a concave water receiving portion for receiving water supplied from a water supply source, and the inner lid has a water receiving portion for receiving water flowing from the water receiving portion in a concave shape deeper than the water receiving portion. A water injection hole for injecting water into the inner tank is formed in the water receiving portion .
Formed in a chordal straight line with the arc surface on the inner circumference of the tank
As a result, the water injection holes at both ends are close to the inner peripheral surface of the inner tank.
Position, the center side water injection hole is located closer to the center side of the inner tank
A washing machine for both dehydration and washing. 2. The washing machine according to claim 1, wherein the water injection hole is formed in substantially the entire area of the water receiving portion. 3. The washing machine according to claim 1, wherein the water injection receiving portion has a drain hole arranged along the inner peripheral surface of the inner tub. 4. The washing machine according to claim 1, wherein the water injection receiving portion has an arc-shaped overhanging portion at a portion adjacent to the water receiving portion. 5. The washing machine according to claim 4, wherein the water injection receiving portion has a drain hole in the overhang portion. 6. The water injection hole has a semi-circular shape with a straight portion on the center side of the inner lid and an arc-shaped portion on the outer circumference side, and has a gradually decreasing slope at the center side. The washing machine according to claim 1, further comprising a rib at a lower edge of the side portion. 7. The washing machine according to claim 1, wherein the water injection receiving portion has a water impermeable wall outside a portion adjacent to the water receiving portion.