JPS602282A - One-tub type washer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a single-tank dehydrating washing machine in which washing and dehydrating are performed using a washing and dehydrating tank equipped with a pulsator at the bottom, and particularly to a water injection device that injects water into the washing and dehydrating tank. It is something.

Water injection device (corresponding to the threat shown in Figure 1) in a conventional washing machine of this type
(6) Located above the upper end opening, the water injection device is located at the second
As shown in the figure, the water injection device is attached to the top plate (to) provided at the top of the outer box (5) with screws @, and this water injection device is connected to the hose (a) that communicates with the water supply solenoid valve (7).・Component A is connected to the top plate α5 with screw @
(to) and a member Bc4 which is fitted into this member A (7) with a screw (to) and has an opening 9η for water injection into the fGYffl and dehydration tank (6), so the parts As the number of parts increases, the cost increases due to an increase in the number of assembly steps and anti-corrosion treatment of the screws that attach component A and B (2). Furthermore, in order to attach this water injection device consisting of member A @ and member B (g) to the back of the top plate using the screws (b) and (7), the top plate aQ must be turned upside down during assembly. In addition to the increased assembly man-hours, there were unreasonable issues with ensuring quality, such as damage to the top plate, which also contributed to the high cost.

The present invention has been made to overcome the drawbacks of the conventional art described in E. An embodiment thereof will be described below with reference to the drawings.

In Figs. 1, 3, and 4, (1) is a dehydration receiving tank, and a support plate (2) is provided on the outer bottom of this dehydration receiving tank (1). The dewatering tank (1) is supported in a moisture-proof manner inside the outer box (5) via the tubes (3) and (4).

(No. 6 is a washing/dehydration tank that is rotatably installed inside the dehydration receiving tank, and a pulsator (7) is rotatably installed at the inner bottom. (No. 8 is installed under the support plate (2). This seven-pointer (8) is connected to the V-belt (9), the pulley light, the washing/dehydration/cutting mechanism (19) and the above-mentioned pulsator (7) and the washing/dehydration tank via a tray. (6) is rotated.

＠ is a drain provided at the bottom of the dewatering tank (1), and a drain hose with a drain cock f and 13'k i placed halfway is connected to this drain.

(15 is a synthetic resin top plate installed on the top of the outer box (5), and the operating frosting enclosure is integrally molded.The operating board is arranged on the front of this operating box (IQ). This operation panel Uη has a switch (G) and a decorative plate ul on the front.
is provided. Vl is a water supply solenoid valve installed in the operation box αQ, and one side of this water supply solenoid valve (a) has water supply hoses l, l! υ is connected to the other end, and the hose (A) is connected to the other end. ) is the lid.

The operation is the operation box 1. On the back of l#, wash/spin tub (6) 1
A water injection device located above the end opening, with a lip (28a) provided in the middle direction on the back of the operation box μQ or the top plate.
A lip (28b) provided in the depth direction from both ends of the lip (28a) to the back surface of the gravel harvesting box or top plate (toward), and a top plate (28b).
A synthetic resin member (23cl) with a cylindrical part (28c) that communicates with the water supply through the solenoid valve () and the hose) is attached to the side wall of the member (28d) with a waterproof seal. It is constructed by applying an adhesive and attaching it to the bottom without applying it. Note that the above member (28d
) The mold draft angle fi for molding the side wall of the lip (28b
) is made to match the draft angle of

The space (28e) formed by this communicates with the water injection opening 6 through the slit (28g) formed by the plurality of grooves (28f) provided in the member (2f3d), and connects to the water supply hose. ? Pass the water supply solenoid valve and hose (a) from υ to the cylindrical part (28c) of the member (23d).
) flows into the space (23e) from the lip (28f).
) through the slit (28g) between the water injection openings 6
It flows out from the v and flows down into the washing and dehydrating tank (6). In addition, the slit part (28g
), instead of forming a plurality of holes in the member, the space (28e) may be communicated with the opening (b).

In addition, the member (2ad) has a flange (28h) for screwing.
) is provided, and the flange (28h) is inserted through the notch hole in the bottom of the operation box aQ (28h) a.
It is fixed to a mounting boss (c) provided inside Q with a screw (c).

(to) is an abbreviated gutter provided on the outer wall of the member (23d) corresponding to the gutter (2aa) provided on the back side of the operation box U or top plate (4), and the gutter is (to) is configured with the opening end (61) side for water injection into the washing and dewatering tank (6) as the opening end (■), and the distance between the part corresponding to the bottom of the gutter and the ground is the minimum at the opening end (-). ing.

In this way, the water injection device FA has a lip (28a) provided in the middle direction on the back surface of the operation box aQ or the top plate aυ, and the lip (28a).
The member (28d) is attached from both ends of the operation box (11) to the area surrounded by the gate (28b) provided in the depth direction on the back surface of the top plate (to) and the back surface of the top plate (to). However, depending on the material of the top plate and components and the molding conditions, there may be a gap in this fitting. The flow rate of the water poured into the slit section (28
g) Or if the flow rate is large compared to the flow rate flowing out from multiple holes, under the structure shown in the tree diagram example, 207? When the water pressure in the space (28e) increases,
There is a risk of water leaking from the gap between the fitting parts. This water leakage may worsen the state of the water flowing out from the water injection opening Cη or may fall onto the floor, causing a serious problem.

However, due to the gutter Q provided on the outer wall of the member (28d), water leakage from the fitting portion is received by the gutter.

This gutter has an open end (B) on the side of the washing and dewatering tank (6), and the gutter is designed so that the distance between the bottom of the gutter and the ground is the minimum at the open end (2). Since there is a slope from (to), the water leakage received by gutter Q is from gutter (to).
It flows through the opening end ■ into the washing and dehydrating tank (6). Therefore, water leakage does not adversely affect the water flow at the water injection opening 6]) or fall onto the floor, which is highly effective in solving the above-mentioned problem.

In general, the water injection opening s6 of the water injection device of a single-tub dehydrating washing machine
The state of the water flow from ρ to the washing and dehydrating tank (6) is such that the clothes in the washing and dehydrating tank (6) are sufficiently covered with water, regardless of the amount of water flowing from the water supply solenoid valve (7) to the water injection device. The water flow must be weak enough that it has a width of 100 cm and does not cause splashes after splashing onto clothing.This water injection device (2)
In the case of
The water flowing into the cylindrical part (28c) and the space part (23e) of the cylindrical part (28d) hits the top plate light and lip (28b) in this space part (28e), the water force is weakened, and the water flows into the slit part (28d).
8g) or spread over multiple holes, and the slit part (28g)
g) or the saucer part (28i) of the water injection device (2) through the hole
flowing down. In this case, if the force of the water flow flowing into the space (23e) is large, the force of the water flow passing through the slit part (28g) or hole around the cylindrical part (28c) will be
The force of the water flow passing through the slit part (23g) or the hole becomes larger on the side away from the slit part (23g), and as a result, the water flow becomes stronger on the side away from the saucer part (23g).
28i) and flowing into the washing/dehydration tank (6) from the water injection opening 61), the water flow is large at the center of the water injection opening 6υ, as shown in FIG.
The width is small, such as the water flow is small on both sides, and the water flow is too large only in the center. In this state, the water from the water injection opening θυ force soaks into the clothes in the washing and dehydrating tank (6), and the narrow width of the water flow is too strong, causing it to splash against the clothes. Forgive me and wet the floor.

On the other hand, if the force of water flowing from the water supply solenoid valve (a) through the cylindrical part (28c) into the space part (2'(e)) is 752lJX, the water flow from the cylindrical part (28c) to the space part (23e
) does not hit the lip (28b) or the top plate (to), and therefore the water poured into the slit (28g
) or the sink part (2ag) around the cylindrical part (28c) without spreading over the hole, or the saucer part (2ag) immediately from the hole.
28i).

drop down. For this reason, the width of the water flowing out from the water injection opening is narrow, and the force of the water flow is therefore large.

Therefore, the water from the water injection opening r, 3υ is poured into the washing/dehydration tank (
6) It does not spread on the clothes inside and does not soak easily. Furthermore, since the width of the water stream is narrow and the force is too large, it is easy to fly off after hitting clothes, causing problems such as falling to the floor.

In Fig. 4), a partition 1 is provided in the middle direction perpendicular to the water flow so as to apply force to the slit part (2ag) or hole at the front of the opening of the cylindrical part (23c) in the member (28d). Nozude,
This solves the above problem by incompletely partitioning the space (28e) into two fits. In other words, the air tttl' is passed from the water supply solenoid valve (e) through the cylindrical part (28c).
The water poured into fi< (28e) flows into the cylindrical part (28c)
If the water flow from the cylindrical part (23c) is large, it will hit the partition lip (to) on the cylindrical part (23c) and fill the front room (2) partitioned by this lip ■, causing this lip ■ Get over it and enter the next room (B). During this time, a small amount of water flows out from the slit (28g) or hole in the chamber (5) into the saucer (28i). The remaining water goes over the partition and flows into the slit part (2) of the room.
3g) or flows out from the hole into the saucer part (23i). Here, the water flow flowing into the slit part (28g) or hole is
7), the water from the cylindrical part (28c) passes directly through the slit part (23g) or the hole, but the water force is weaker and passes through the slit part (28g) or the entire hole through each slit or hole. The forces of time spread out so that they are the same,
It flows out into the saucer part (28i). For this reason, the water flow that passed through the slit section (28 g) or hole in the prisoner's room is added to the water flow that passed through the slit section (28 g) or hole in the chamber,
23i) and flows out from the water injection opening 6η, and the overall shape of the water poured from the water injection opening 6υ of the saucer ff5 (28i) into the washing and dewatering tank (6) is the water injection opening Cυ. The flow velocity changes little from the center to the sides, as shown in (0) in Figure 5, and the wide, weak water flow inside is poured onto the clothes in washing/spinning M (6), so the clothes are evenly covered with water. There will be no splashing or splashing of water. Next, when the flow of water poured from the cylindrical part (23c) is weak, the water poured into the room prisoner in the space part (23e) will not fill the room (4) and will immediately fill the room prisoner. It flows out from the slit (28g) or hole into the saucer (28i). However, since the space @S C23e) is divided by the lip ■, the volume of the room (5) is smaller than the space (2ae) compared to the case without partitions, and a small amount of the cylindrical part (28
Water tends to fill up with water from c), and therefore spreads to the slit portion C28g) or hole of the room prisoner, and the difference in the force of the water flow passing through each slit or hole is small at each portion. Therefore, the water flowing down into the saucer part (2ai) has the same force in each part, and because it flows down from each slit or hole, the water flow is wide and flows from the water injection opening CD of the saucer part (28i) to the washing/dehydration tank. The water flow flowing out in (6) is also wide and weak.

The position of this partition edge is the volume of the room (8) V +
and the volume of room (B) V! Experiments have shown that when the relationship V1≧v2 holds, the effect of dividing the room into two rooms is small when Vi < V2. Also, the height from the slit surface of the partition edge is l+, and the cylindrical part (from the slit surface to
28C) The height from the open end to the center of the cylinder is l! Then, the experiment shows that unless Mu≧12, the partitioning effect by rep (to) cannot be obtained! I know better.

Also, 1 parallel to the top of the saucer part (2ai) i (2i3f)
A pair of edges (to) are provided to form a waterway (b). From the water supply solenoid valve (7) through the cylindrical part (28c) to the space part (2
When the force of the water flowing into 3e) is extremely weak, the water flowing through the slit part (28g) around the cylindrical part (28C) and falling into the saucer part (28i) is the water flow from the cylindrical part (28c). In order to prevent the force of water flowing down through the slit (2ag) into the saucer (28i) from increasing when the water flow is large, the flow gradient of the saucer (2ai) is made small. (28i) It spreads out at the top, and because the water volume and water force are weak, it splits into many lines and flows down from each part of the water injection opening G41) into the washing and dewatering tank.

This is not aesthetically pleasing, and since the amount of water in the water stream divided into several parts is even smaller, it is difficult to drain water at the water injection opening 6υ, and it flows through the saucer part (23i) - F side to the opposite side, which serves as a washing machine. The water cannot be poured into the center of the dehydration tank (6) and cannot soak into the clothes. However, as mentioned above, the saucer part (28
i) Due to the water channel (G) provided above, water that falls into the saucer (28i) does not spread or separate into many lines, so it is collected in the water channel (B) and the water is poured into the water opening. It flows down from the part OD. Also, if the height m of this lid (7) is made sufficiently low compared to the distance between the slit part (28g) and the saucer part (23i), when the amount of water flowing out from the slit part (23g) is large, The water in this waterway ■ overflows and the saucer g (28
i) It is possible to obtain a long water flow that spreads uniformly and has a wide width. By making this pair of lips parallel to each other or in the shape of an ``eight'' or an inverted ``eight'', you can adjust the width and force of the water flow coming out of this water#@(ro). .

Further, it is preferable that this lip not extend to the end of the water injection volume group 61 of the saucer portion (23i), but extend to just before the water injection opening clv. That is, by setting the distance n between the end of this lip (7) and the water injection opening (v) by about the height m of the lip (7), the shape of the water flowing down from the water injection opening (su+) when the flow rate is high can be improved. If the water injection opening (6υ) is extended to +υ, the water flow that flows down the water injection opening 6υ when the flow rate is high will be this.
It is disturbed by (to) and is divided into three parts.

The cross-sectional shape of the end face of the water injection opening Cη end of the saucer portion (28i) is as shown in Fig. 6. The end (2aj) on the side that receives water is a knife, and the end (28k) on the side that receives return water (/ i
Provide R. This allows an extremely small amount of water to be poured into the saucer (
23i) - falls into the water channel (b) and flows down from the water injection opening - through the water channel (b).
j) prevents water from getting around to the back surface of the saucer part (28i) and improves water drainage. Also, the end of the return water receiving side (28
By providing R in k), even if a hand hits the saucer part (28i) when removing clothes from the washing/dehydration tank (6), no injury will occur. In contrast, according to the present invention as described above, water is poured by providing a lip on the back surface of the operation box or the top plate formed integrally with the operation box and fitting a member to the lip to form a space. Since the device is formed into a single device, the number of parts and assembly man-hours can be greatly reduced compared to conventional water injection devices.
In addition, when using a water injection device that has extremely good water injection performance, it is possible to prevent water leakage from the fitting part, maintain an effective water flow that corresponds to large and small water injection amounts, and easily realize quality safety measures, and improve water injection performance. This makes it possible to obtain an extremely effective water injection device.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view showing the entirety of the present invention, Fig. 2 is an enlarged view of the conventional main part, Fig. 3 is an enlarged view of the main part showing an embodiment of the present invention, and Fig. 4 is a partially cutaway view. Perspective view, Figure 5 is A in Figure 4
-A arrow view, FIG. 6 is a sectional view of the end face of the water injection opening. (6)...Washing/dehydration tank, (7)...Pulsator,
αQ...Top plate, tJI...Operation box, (Foundation)...Water injection device, (28a) (28b)...Rizu, (28c)
... Cylindrical part, (28d) ... Member with a cylinder part, (
Feather→...space part, (28f)...rizu, (28g
)...Slit part, 6υ...Water injection opening, ■...
Gutter, (b)...opening end, (to)...partition lip ζ(
To)... Riz agent Yoshihiro Moriki ta Figure 4 - NN5 〉 Figure 5 3 to Figure 2

Claims (1)

[Claims] 1. A washing and dehydration tank with a pulsator installed at the bottom, an outer box in which a dehydration receiving tank containing the washing and dehydration tank is supported in a vibration-proof manner via a wire etc., and this outer box. A synthetic resin top plate provided in one part, an operation box integrally molded with the stiffness, a solenoid valve for water supply placed in this operation box, and a lip on the back side of the operation box or top plate. A member having a cylindrical portion that forms a part surrounded by the operation box or the top plate and the lid and communicates with the water supply solenoid valve via a hose is connected to the operation box or the top plate. By fitting into the enclosed portion, a space communicating with the water supply solenoid valve via the hose is formed, and a plurality of slits or holes are provided at positions corresponding to the top plate or operation box of the member. , and a water injection device in which the O1J space is communicated with a water injection opening to the washing and dehydration tank. 2. The water injection device a has a gutter on the outer wall of the member having a cylindrical part, corresponding to the operation box or the back side of the top plate. 2. The single-tub dehydrating washing machine according to claim 1, wherein the distance between the opening end and the ground is minimized at the opening end. 8. The one-tank dewatering device according to claim 1, characterized in that the water injection device has a rib at a position spanning the slit or hole, partitioning the space into two or more at least in the front and back. washing machine. 4. The water injection tank has a saucer part located on the side of the slit or hole, and on this saucer part there are parallel or "eight" grooves running from the anti-water injection opening side to the water injection opening side. ``'' or reverse ``''
Claims characterized in that the lip has a pair of lips forming a figure 8 shape, and the end face of the lip is separated from the end face on the side of the water injection opening in the saucer part by a distance approximately equal to the height of the lip. The one-tub dehydrating washing machine described in item 1. 5. The end face on the water injection opening side of the water injection tray of the water injection device is a knife edge on the side that receives water, and the end face on the return water receiving side is a knife edge.
A one-tank dewatering machine according to claim 1, characterized in that the single-tank dewatering machine has a section.