JPS6317437Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention relates to a fully automatic washing machine that automatically washes clothes and automatically spins water.

Structure of conventional example and its problems As a fully automatic washing machine, as shown in Fig. 1, a dehydration tank 1 suitable for loading laundry is connected to a washing water receiver 2.
A rotatably housed device is generally used. The bottom surface of the dewatering tank 1 is formed by a support plate 4 having a boss 3 in the center, and the boss 3 is fitted onto a dewatering drive shaft 6 of a drive device 5. The drive device 5 is transmission connected to an electric motor 8 by a belt 7, and a drive shaft 6 projects upward from the bottom surface of the receiving cylinder 2. The receiving tube 2, the drive device 5, and the electric motor 8 are fixed to and supported by the main body 9. This washing machine is designed to automatically capture lint from laundry using a capture device 10. A washing water circulation passage 11 extending vertically is formed on the side of a dehydration tank 1.
is provided at the upper end of the circulation passage 11. Further, a through hole 13 is formed in the bottom surface of the dehydration tank 1, that is, in the support plate 4, for communicating a space 12 between the dehydration tank 1 and the receiving tube 2 with the inside of the dehydration tank 1. This washing machine has washing wings 14 for stirring washing water.
is fitted onto and fixed to the washing drive shaft 15 of the drive device 5. Laundry is loaded into the dehydration tank 1 through the input port 17 of the top plate 16. During washing, the washing blades 14 are driven by the washing drive shaft 15 of the drive device 5 and rotate within the dehydration tank 1 along its bottom surface. This agitates the washing water and washes the laundry. Also, when the washing wing 14 rotates, the washing wing 1
The washing water at position 4 is circulated through the circulation path 11 by centrifugal force.
It is pushed into the lower end of , and rises along this circulation passage 11 . At the same time, the washing water in the space passage 12 between the dehydration tank 1 and the receiving tube 2 passes through the through hole 13 of the dehydration tank 1, is sucked into the dehydration tank 1, and is led to the circulation passage 11. The washing water flows from the upper end of the circulation passage 11 to the dehydration tank 1.
It falls within and circulates. Therefore, the circulation passage 11
The lint of the washing water that has reached the upper end of the washing water can be captured by the capture device 10.

In this type of automatic washing machine, conventionally the dehydration tank 1
A through hole 13 was formed directly in the support plate 4. However, when the dehydration tank 1 is disassembled and the dehydration tank 1 is placed on the floor as shown in FIG. protrudes and touches the floor. For this reason, there was a problem that it was unstable and easily fell down. Furthermore, when the boss 3 is scratched by the floor surface and the dehydration tank 1 is assembled, the boss 3 is removed from the dehydration drive shaft 6.
There were cases where it could not be fitted smoothly.
There may be some looseness between the two. In addition, since the support plate 4 is generally made of die-cast or pressed iron plate, burrs, press burrs, etc. are likely to occur in the through-holes 13, and when washing water passes through the through-holes 13. ,
Lint, etc. may get caught. If this is left as is, there is a risk that rotation of the washing blade 14 will be hindered.

Purpose of the invention This invention solves the above-mentioned conventional problems and
When disassembled and placed on the floor, it improves its stability, prevents the boss of the dehydration tank from being scratched, and prevents lint from getting caught in the through hole on the bottom of the dehydration tank. purpose.

Structure of the invention In this invention, a through hole for guiding the washing water to the circulation path of the dehydration tank is formed by a tubular protrusion projecting downward from the bottom of the dehydration tank. Further, the lower end surface of this tubular protrusion is characterized in that it projects lower than the lower end surface of the boss of the dehydration tank.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of this invention will be described. FIG. 3 shows an embodiment of this invention. In this embodiment, a through hole 19 is formed by each of the plurality of tubular protrusions 18 . The tubular protrusions 18 are arranged around the boss 3 of the dehydration tank 1 at angular intervals and project downward from the bottom surface of the dehydration tank 1. The through hole 19 is for communicating the space area 12 between the dehydration tank 1 and the receiving tube 2 with the inside of the dehydration tank 1.
8 penetrates the support plate 4 and extends into the space region 12 between the dehydration tank 1 and the receiving tube 2. The support plate 4 has a boss 3 for fitting onto a dewatering drive shaft 3 of a drive device 5. As shown in FIG. 4, the lower end surface 18a of each tubular protrusion 18 projects downward by a certain distance B from the lower end surface 3a of the boss 3 of the support plate 4.

In this washing machine, when the washing blade 14 rotates, the washing water at the washing blade 14 is pushed into the lower end of the circulation passage 11 by centrifugal force, and the circulation passage 11
It is the same as in the case of FIG. Washing water in the space 12 between the dehydration tank 1 and the receiving tube 2 passes through the through holes 19 of each tubular projection 18, is sucked into the dehydration tank 1, and is led to the circulation passage 11. The lint from the washing water that has reached the upper end of the circulation path 11 is captured by the capture device 10.

This washing machine has a lower end surface 18 of each tubular protrusion 18.
a protrudes below the lower end surface 3a of the boss 3 of the dehydration tank 1 by a certain distance B, so when the dehydration tank 1 is disassembled and placed on the floor, the lower end surface 18 of each tubular protrusion 18
a touches the floor. The lower end surface 3a of the boss 3 does not contact the floor surface. Since each tubular protrusion 18 is arranged at angular intervals around the boss 3 of the dehydration tank 1, the dehydration tank 1 is stable and does not fall over. In addition, since the lower end surface 3a of the boss 3 does not contact the floor surface, the boss 3
cannot be scratched. Therefore, when assembling the dehydration tank 1, the boss 3 can be smoothly fitted onto the dehydration drive shaft 6 of the drive device 5. There is no backlash between the two. Further, since the through holes 19 for guiding the washing water to the circulation passage 11 of the dehydration tank 1 are formed by the respective tubular protrusions 18, burrs, press burrs, etc. do not occur in the through holes 19.
Therefore, when the washing water passes through the through hole 19, there is no fear that lint or the like will get caught.

Effects of the Invention As is clear from the above embodiments, in this invention, a through hole for guiding the washing water to the circulation path of the dehydration tank is formed by a tubular protrusion projecting downward from the bottom of the dehydration tank. Since the lower end surface of this tubular protrusion is made to protrude below the lower end surface of the boss of the dehydration tank, when the dehydration tank is disassembled and placed on the floor, the lower end surface of the tubular protrusion can be brought into contact with the floor. This makes it possible to stabilize the dehydration tank. The dehydration tank will not fall over. Furthermore, the boss on the bottom of the dehydration tank is not scratched, and when assembling the dehydration tank, the boss can be smoothly fitted onto the dehydration drive shaft. Burr on through hole,
There is no press burr, and there is no fear of lint getting caught when the washing water passes through the through-hole, making it possible to achieve the intended purpose.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a conventional fully automatic washing machine, Fig. 2 is a sectional view of the dehydration tank shown in Fig. 1, Fig. 3 is a sectional view showing an embodiment of this invention, and Fig. 4 is a sectional view of the dehydration tank shown in Fig. 3. It is a sectional view of a dehydration tank. DESCRIPTION OF SYMBOLS 1...Dehydration tank, 2...Washing water receiver, 3...Boss, 3a...Lower end surface of boss, 6...Driving shaft for dewatering, 10...Capturing device, 11...Circulation passage, 12
. . . Spatial region between the dehydration tank and the receiving cylinder, 14 . . . Washing blade, 18 . . . Tubular projection, 18a .

Claims (1)

[Scope of utility model registration request] A dehydration tank suitable for loading laundry is rotatably housed in a washing water receiver, and a boss provided on the bottom of the dehydration tank is fitted into a drive shaft that projects upward from the bottom of the receiver. Further, a washing water circulation passage extending vertically is formed on the side surface of the dehydration tank, a trapping device for catching lint from the washing water is provided at the upper end of the circulation passage, and a water receptacle is formed on the bottom of the dehydration tank. A through hole is formed to communicate the space between the cylinders with the dehydration tank, and when washing, the washing blade is rotated along the bottom surface within the dehydration tank, and the washing water at the position of the washing blade is subjected to centrifugal force. Therefore, in the washing machine, the washing water is pushed into the lower end of the circulation passage and raised along the circulation passage, and the washing water in the space area is guided from the through hole to the circulation passage. A fully automatic washing machine, characterized in that the washing machine is formed by a tubular protrusion projecting downward from the bottom surface of the washing machine, and the lower end surface of the tubular protrusion protrudes below the lower end surface of the boss of the dehydration tank.