JPS6016274B2 - Dehydration/washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dehydrating and washing machine configured to use water as a balance weight of a balance ring.

Conventional washing machines of this type have a structure in which a predetermined amount of water is injected into the balance ring and the ring is sealed. However, with this structure, the initially sealed liquid is used as is for a long period of time, so it is necessary to ensure a reliable sealing structure. However, it is necessary to prevent liquid leakage, which has the disadvantage of increasing costs, and even if this method is used for a long period of time, liquid leakage is likely to occur due to deterioration of the seal, etc., and the amount of sealed liquid decreases due to this. There was a problem that the balance effect was impaired.

The present invention has been made in view of the above circumstances, and its purpose is to be able to store a certain amount of new water in the balance ring each time the rotating tank rotates, and to make the balance ring a sealed structure. It is also used as a dewatering device, which is unnecessary and does not require much consideration to prevent water leakage.In addition, it has a strong structure and there is no need to improve the strength of the balance ring by reinforcing ribs or thickening. There is a washing machine provided.

An embodiment of the present invention will be described below with reference to FIGS. 1 to 5.

1 is an outer box, and the inside is divided into a water collection room 3 and a mechanism room 4 by a partition plate 2.
A mounting plate 5 is swingably suspended in the mechanism chamber 4 by an elastic support mechanism 6.

Reference numerals 7 and 8 denote a motor and a clutch mechanism arranged and fixed on the mounting plate 5, which are connected by a belt transmission mechanism 9, and a dewatering shaft 10 of the clutch mechanism 8 is attached to an opening part 11 formed on the partition plate 2. It is penetrated through the rose 12 in a watertight manner.

Reference numeral 13 denotes a rotating tank serving as a washing tank and a dehydration tank, which is arranged inside the water collection chamber 3 so that the outer box 1 is used as an outer tank, and the dehydration shaft 1
It is directly connected to the upper end of 0.

This rotating tank 13 is non-porous at least at the part other than the upper end, and has a circumferential side wall formed in a tapered shape that gradually expands upward, and when driven to rotate, the water inside is pumped up by the centrifugal force. is discharged outward from a dehydration hole 14 formed at the upper end. 15 is the fly Azusa wing, rotating tank 1
3, and is directly connected to the upper end of the flywheel shaft 16 of the clutch mechanism 8, through which the dewatering shaft 1 is inserted.

Reference numeral 17 denotes a balance ring made of plastic, which is made by integrally joining together an inner ring 18 with a substantially U-shaped cross section and an outer ring 19 with a substantially U-shaped cross section, which were formed separately. The annular deep groove 20 formed in the lower part of the rotary tank 18a is inserted into the upper circumferential wall of the rotary tank 13 and fixed with screws 21, thereby attaching it to the upper end of the rotary tank 13.

The hollow interior of this balance ring 17 is divided into two chambers by the outer peripheral wall 18a of the inner ring 18, and the inner ring 1 on the inner peripheral side
The chamber inside 8 is a water storage chamber 22, and the chamber inside outer ring 19 on the outer circumferential side is a balancer chamber 23. And inner ring 1
A gap 24 is formed between the upper end of the outer circumferential wall 18a of the outer ring 19 and the upper wall 19a of the outer ring 19, and the gap 24 makes the water storage chamber 22 and balancer chamber 23 in a suitable state.25
is a water pumping device that pumps water in the rotating tank 13 and supplies it to the water storage chamber 22 of the balance ring 17;
Let me explain about 5.

That is, 26 is a recess 2 formed in the inner bottom of the rotating tank 13.
The pump is installed directly under the rope azusa wing 15 in the 7, and the hawk azusa shaft 1
6 passes through the inside of the casing 28 of this pump 26, and a vane 29 is attached to the penetrating portion of the shaft 16. 30 is a suction passage formed inside the circumferential wall of the rotating tank 13;
Its upper end is opened below the washing water level, and a porous strainer 31 is removably attached to cover the opening.

Then, the suction port 28a of the casing 28 of the pump 26 is connected to the lower end opening □ of the suction path 30 via the hose 32, and the water conduit 33 is connected to the discharge port 28b of the casing 28, and the water conduit 33 is rotated. It extends upward along the outer surface of the tank 13. Reference numeral 34 denotes a water injection pipe attached to the outer ring 19 of the balance ring 17, one end of which is watertightly connected to the upper end of the water guide pipe 33, and the other end facing the water storage chamber 22 of the balance ring 17.

The water pumping device 25 is constructed as described above. Reference numeral 35 designates a number of overflow holes as a water flow section formed in two stages, upper and lower, on the inner circumferential wall 18b of the inner ring 18 of the balance ring 17. When water is stored (the water level is indicated by the solid line A in Figure 3)
), which is approximately the same height as the overflow hole at the bottom.

This causes more water to overflow into the rotating tank 13. 36 is an annular filter, which is attached to the inner peripheral wall 18 of the inner ring 18.
M is detachably attached so as to cover the water overflow hole 35 from the water storage chamber 22 side.

Reference numeral 37 denotes a plurality of drainage holes formed at the bottom of the outer ring 19 near the inner circumference, and as will become clear later, this drainage hole 37
This is for causing the water that has moved from the water storage chamber 22 to the balancer chamber 23 due to the rotation of the rotating tank 13 to flow outward when the rotating tank 13 stops rotating.

Reference numeral 38 denotes a plurality of protrusions formed on the outer ring 19 so as to protrude into the balancer chamber 23. It is attached to one of the grooves 38a so as to be iron-coupled.

In addition, 39 is a drain port formed in the partition plate 2, 40 is a drain hose connected to this drain port 39, and 41 is a timer device provided in an operation box 42 attached to the upper part of the outer box 1. The washing operation consisting of water supply, detergent washing, dehydration, water supply, rinsing and dehydration is automatically performed in sequence. Next, the operation of the above configuration will be described.

When the hawk azusa blade 15 is rotationally driven by the hawk azusa shaft 16 during operation for detergent and rinsing, a pump 26 is integrally driven with the hawk azusa blade 15.
The blades 29 rotate, and the water in the rotating tank 13 is sucked into the casing 28 through the suction passage 30 and the hose 32, and the water is transferred to the balance ring 17 through the water conduit pipe 33 and the water injection pipe 34.
The water is supplied into the water storage chamber 22 of. In this way, water storage chamber 2
The water supplied into the chamber 2 is first stored in the water storage chamber 22,
When the stored water level reaches the water level shown by A in FIG.
0 into the casing 28 of the pump 26, and so on. The filter 36 captures lint and the like from the water overflowing from the storage chamber 22 into the rotary tank 13 through the group of overflow holes 35 and purifies the washing water. Now,
When the washing operation is completed, the dewatering operation is performed next and the rotating tank 1
3 is rotationally driven, a certain amount of water stored in the water storage chamber 22 as described above during the washing operation is pumped up along the outer circumferential wall 18a of the inner ring 18 by the rotational centrifugal force and flows into the gap 24. It moves into the balancer chamber 23 via. In addition, thread shoulders and the like caught in the filter 36 during the washing operation are separated from the filter 36 due to the centrifugal force caused by the rotation of the rotating tank 13, and are taken advantage of by the water moving from the water storage chamber 22 into the balancer chamber 23 as described above. and is removed to the balancer chamber 23. The water that has moved from the water storage chamber 22 into the balancer chamber 23 is caused by the rotational centrifugal force to move to the outer ring 19 as shown in FIG.
is pressed against the outer circumferential wall 19b of the rotary tub 13 and flows so as to collect more laundry on the side opposite to the side where the laundry is unevenly distributed in the rotary tub 13, thereby correcting the unbalanced state of the rotary tub 13, thereby bringing the balance of the rotary tub 13 into balance. To enable smooth rotation while maintaining the In this case, the flow of water within the balancer chamber 23 is appropriately regulated by the protrusion 38 acting as a resistor.
On the other hand, the water in the rotary tank 13 is pumped up along its inner circumferential surface by the zero force accompanying the rotation of the rotary tank 13, and is discharged into the water collection chamber 3 from the dewatering hole 14, and is then discharged into the water collection chamber 3 through the drain port 39. It is discharged outside the machine via the hose 40. And rotating tank 1
After most of the water in the machine is drained, the laundry is dehydrated, and the water is discharged outside the machine in the same manner as described above. When the dewatering operation ends and the rotating tank 13 stops, the balancer chamber 2
The water in the balancer chamber 23 flows out from the water drain hole 37 (see FIG. 5), and the thread shoulders and the like that have been removed into the balancer chamber 23 are also discharged together with the water flowing out from the water drain hole 37. As described above, according to this embodiment, a new fixed amount of water can be stored in the water storage chamber 22 of the balance ring 17 each time the rotating tank 13 rotates, so that it is different from the conventional liquid-filled balance ring. There is no need to have a sealed structure like that, and there is no need to consider liquid leakage during long-term use.
Even if there is a gap in the joint portion between the outer ring 8 and the outer ring 19, there is no functional problem, and the overall structure is simple and inexpensive.

By the way, the balance ring is attached to the water storage chamber 2 as in this embodiment.
If the chamber is not divided into the balance ring 2 and the balancer chamber 23 but is made into a single chamber, the water drain hole 37 described above cannot be provided because it will impair the water storage effect of the balance ring, and the rotating tank will stop rotating. However, water remains in the balance ring, so if water is supplied to the balance ring by a pumping device especially during rinsing, there is a risk of the stored detergent spilling out and contaminating the clean water in the rotating tank. causing inconvenience.

However, in this embodiment, the balance ring 17 is divided into the water storage chamber 22 and the balancer chamber 23, and the balancer chamber 23 is provided with a drain hole 37, so that the water in the balance ring 17 can be drained every time the rotating tank 13 is stopped. There is no problem that the detergent liquid overflows into the rotating tank 13 during rinsing. Furthermore, a partition wall (in this embodiment, the outer circumferential wall 18a of the inner ring 18) is provided in the balance ring 17 to separate the water storage chamber 22 and the balancer chamber 23, resulting in a so-called triple wall structure, which improves structural strength. This eliminates the need to provide additional reinforcing ribs or increase wall thickness to improve strength. That is,
When concrete is poured into a balance ring and used as a balance weight, the strength of the balance ring itself is not so much of a problem because the concrete itself is a rigid body and the concrete itself can receive the far-D force that acts when the rotating tank rotates. However, in devices that use liquid, all the centrifugal force acting on the liquid is applied to the balance ring, so reinforcing ribs have been provided or the wall thickness has been increased in order to improve the strength of the balance ring. There is no need for this, and it is possible to improve moldability and reduce the amount of material used. Furthermore, according to this embodiment, unlike conventional liquid-filled balance rings, there is no need to store the balance ring 17 in water during shipment as a product, so the weight of the washing machine as a whole is reduced and packaging is simplified. It is possible to aim for

Further, as in the embodiment, if the filter 36 is provided on the inner circumferential wall 18b of the inner ring 18 so as to cover the overflow hole 35, lint etc. can be captured from the water overflowing from the overflow hole 35, thereby purifying the washing water. At the same time, thread waste and the like captured during rotation of the rotary tank 13 can be removed from the filter 36 by centrifugal force, and the number of times the filter 36 is cleaned can be reduced.

Note that if the diameter of the overflow hole 35 is made small, the overflow hole 35 itself will function as a filter, so there is no need to separately provide the filter 36 as described above. In addition, the water flowing part is not limited to the overflow hole 35 as in the above embodiment, but also the upper half of the inner circumferential wall 18b of the inner ring 18, as shown in FIG. 6, which shows the same parts in FIG. (corresponding to the part where the overflow hole 35 is formed in FIG. 2) may be cut out and used as a water flow part. In this case, the filter 36 is provided with the upper half of the cut inner peripheral wall 18b. That's fine. Further, in the above embodiment, the rotary tank 13 is disposed inside the outer tank, but a water receiving tank is suspended inside the outer box, and the water receiving tank is used as an outer tank, and the rotating tank is installed inside the outer box. It may be arranged so that water is stored not only in the rotating tank but also in a water receiving tank.

In addition, the present invention is not limited to the embodiments described above and shown in the drawings, and can be implemented with various modifications without departing from the gist thereof.

As explained above, the present invention allows a certain amount of new water to be stored in the balance ring each time the rotating tank rotates, thereby eliminating the need for the balance ring to have a sealed structure and preventing water leakage. There is no need to make watertight purchases so strict, and the overall structure is simpler, and the water in the balance ring can be removed every time the rotation of the rotating tank is stopped, allowing dirt in the balance ring to get mixed into the washing water. It is possible to provide a dehydrating/washing machine which has various effects, such as not having to be addicted to it, and furthermore, the strength of the balance ring is inherently strong due to its structure, and there is no need to provide a separate reinforcing structure.

[Brief explanation of drawings]

1 to 5 show one embodiment of the present invention, in which FIG. 1 is a vertical sectional side view of the entire dehydrating and washing machine, FIG. 3 to 5 are enlarged vertical cross-sectional views of essential parts for explaining the operation, and FIG. 6 is a view corresponding to FIG. 2 showing another embodiment of the present invention. In the drawings, 1 is an outer box (outer tank), 13 is a rotating tank, 14 is a dehydration hole, 16 is a pipe shaft, 17 is a balance ring, 18 is an inner ring, 19 is an outer ring, 22 is a water storage chamber, and 23 is a Balancer room, 24 is a gap, 26 is a pumping device, 26 is a pump, 3
0 is an inlet passage, 33 is a water pipe, 34 is a water injection pipe, 35 is a water overflow hole (water flow part), 36 is a filter, and 37 is a drain hole. Figure 1 Figure 3 Figure 4 Figure 2 Groove 5 Figure 6

Claims (1)

[Scope of Claims] 1. A rotary tank that serves as a washing tub and dehydration tank provided in an outer tank, and a water storage chamber provided at the upper end of the rotary tank on the inner circumferential side and a balancer chamber on the outer circumferential side. and a balance ring that communicates these two chambers at the upper part, and a water pumping device that pumps up the water in the outer tank or the rotating tank and supplies it to the water storage chamber.
A water flow section provided in the water storage chamber for draining a certain amount or more of water supplied from the water pumping device and returning it to the outer tank or rotating tank, and a drain hole formed in the bottom of the balancer chamber, The dehydrating and washing machine is configured such that water in the water storage chamber is moved to the balancer chamber by centrifugal force caused by the rotation of the rotary tank, and is caused to flow out from the drain hole when the rotary tank is stopped. 2. The dehydrating and washing machine according to claim 1, further comprising a filter that captures lint and the like from the water flowing out from the water flow section.