JP2560581Y2 - Automatic 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 an automatic washing machine for washing with washing water injected from a nozzle.

[0002]

2. Description of the Related Art Conventionally, in an automatic washing machine for washing a flask, a test tube or the like, washing is performed by injecting washing water from an injection nozzle.

[0003] Cleaning by a cleaning machine includes a preliminary cleaning step, a main cleaning step, and a rinsing step.
Washed with detergent. As the detergent, a liquid detergent and a powder detergent can be respectively selected and used.

[0004] The powder detergent is put into a powder detergent container each time, and the washing water is fed into the container so that the dissolved detergent water is sent to a spray nozzle by a pump.

[0005]

As mentioned above, the powder detergent is used by dissolving it in a powder detergent container.
Between the pre-cleaning step and the main cleaning step, the place where the powder detergent container is set to prevent moisture absorption is doubled from the place where moisture is absorbed and solidified when water is absorbed and the outlet is blocked. Or taking measures outside the washing room.

However, in the case of the former, the structure becomes complicated and the operation of introducing the detergent every time is very troublesome. In the case of the latter, it is difficult to secure the installation space, and Requires extensive piping,
It is not desirable in terms of assembly and cost.

Therefore, an object of the present invention is to provide an automatic washing machine which solves the above-mentioned problem.

[0008]

In order to achieve the above object, the present invention provides a water tank into which cleaning water is supplied at the bottom of a cleaning chamber, and the cleaning water supplied into the water tank is pumped by a nozzle body. In the automatic washing machine which is fed into the inside and injects washing water from an injection hole provided in the nozzle body, a powder detergent container is provided in the washing chamber, and a partition member is provided in the container body of the powder detergent container. An upper opening and a lower opening for supplying powdered detergent and an inflow opening through which washing water is provided in the upper room, and an outflow opening opening into the washing room in the lower room; Is bent downward by the water pressure of the wash water sent to the upper room while always partitioning the upper and lower rooms,
It is a flexible bend that connects the upper and lower rooms.

[0009]

According to this automatic washing machine, the room above the powder detergent container is independent by the opening / closing lid and the partition member.
During standby until the main cleaning step, the introduced detergent does not undergo moisture absorption and solidification. In addition, the detergent water is easily dissolved by the washing water sent from the inflow port, and the dissolved detergent water flows from the outlet of the lower room into the washing chamber through the bent portion bent downward by water pressure, and is sent to the water tank. Therefore,
It is possible to smoothly feed into the water tank without the need for a valve or the like.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
One embodiment of the present invention will be described in detail.

In FIG. 1, reference numeral 1 denotes a washing room of the automatic washing machine 3.

The cleaning chamber 1 includes an upper cleaning section 5 and a lower cleaning section 7.
The first washing nozzle 9 and the second washing nozzle 11 are arranged in the upper washing section 5, and the third washing nozzle 13 is arranged in the lower washing section 7, respectively. In 5, the first and second cleaning nozzles 9 and 11 enable cleaning from above and below. In the lower cleaning section 7, the third cleaning nozzle 13 enables cleaning from below.

The first, second and third cleaning nozzles 9 ・ 11 ・
The thirteen nozzle bodies 9a, 11a, and 13a are formed in a horizontally elongated box shape, and a large number of cleaning injection holes 17 are provided on the upper surface 15 along the longitudinal direction. Rotational injection holes 23 are provided, each of which has a different 180-degree direction for injecting along the tangential direction of the trajectory.

At substantially the center of the upper surface 15 and the lower surface 16 of the nozzle bodies 9a, 11a and 13a, there are provided through holes 27 which are rotatably fitted and supported on the main shaft 25.

A synthetic resin bearing member 29 is integrally fixed to the through hole 27 on the upper surface side with a screw 31. The main shaft 25 side corresponding to the bearing member 29 is a first shaft diameter portion 33 that is rotatably fitted into the shaft hole 29a of the bearing member 29.

The main shaft 25 is directly inserted and supported in the through hole 27 on the lower surface side, and a second shaft diameter portion 35 is formed on the side of the support shaft 25 corresponding to the through hole 27.

A screw portion of a cap 37 is screwed onto the upper end of the main shaft 25, and a flange portion 39 of the cap 37 acts on the upper surface of the bearing member 29. Thereby, the main shaft 25 and the nozzle bodies 9a, 11a, and 13a are connected to the flange 39 of the cap 37,
The bearing member 29 is rotatably supported in a state in which the vertical movement is restricted by the step portion 41.

First, second and third cleaning nozzles 9.11.1
The main shaft 25 to which 3 is rotatably mounted is connected and connected to a pipe 47 having an internal space serving as a flow passage and extending from a discharge port 45 of the pump 43.

The intake port 49 of the pump 43 is connected to a water tank 53 provided at the bottom 51 of the cleaning chamber 1 via a pipe 55.

The water tank 53 is provided with a heater whose temperature is controlled by a control unit (not shown), so that the washing water and the detergent water from the powder detergent container 57 containing the powder detergent flow through the bottom surface of the washing chamber 1. It has become. A first portion 51 controlled to be openable and closable by a supply valve 59 is provided at the bottom 51 of the cleaning chamber 1.
Washing water supply pipe 61 faces.

The powder detergent container 57 is provided at the bottom 51 of the cleaning chamber 1.
Is fixedly supported by a second washing water supply pipe 65 extending from the inside to the inside, and is partitioned into upper and lower chambers 69 and 70 by a rubber partition member 67.

The partition member 67 is fixedly supported by a support member 73 having a supporting leg 71 placed and set on the bottom 51 of the washing chamber 1, and its outer peripheral edge is in elastic contact with the inner wall surface of the powder detergent container 57, and the upper and lower chambers 69.・ 70 seals are secured.

As shown in FIG. 3, a part of the partition member 67 is partially cut off at the peripheral end of the support member 73, and is bent downward as indicated by a chain line in FIG. The bent portion 77 is formed. This allows the upper and lower chambers 69 and 70 to communicate with each other, and the bent portion 7
7 is configured to return to the original solid line position when the pressure from above is released.

A chamber 69 above the powder detergent container 57 is a detergent chamber into which the powder is charged, and an upper opening is closed by an opening / closing lid 79. The opening / closing lid 79 holds the hook portion 82 loosened by the lock lever 81 with the locking piece 83.
1 can be opened and closed in the direction of the arrow in FIG. 1 using the hinge 85 as a fulcrum.

The upper chamber 69 has an inlet 84
Is provided. . The leading end of the second washing water supply pipe 65 serves as an inflow port, and the supply valve 6
3 is controlled to be openable and closable. Further, the inlet 84
The cover 85 is provided with a gap so that the detergent supplied from above does not directly enter the inside of the inflow port 84.

On the other hand, the lower chamber 70 is provided with an outlet 86 which opens to the bottom 51 of the cleaning chamber 1.

In the automatic washing machine configured as described above, in the preliminary washing step, the second washing water supply pipe 65 is closed. On the other hand, the first cleaning water supply pipe 61
After that, the washing water is sent into the water tank 53 through the bottom 51 of the washing chamber 1, and the washing water is warmed in the water tank 53,
The water is sent out into the nozzle bodies 9a, 11a, and 13a by the pump 43, and the washing water is jetted from the jet holes 17 for washing. At the same time, the cleaning water is also vigorously jetted from the jetting hole 23 for rotation, and the nozzle bodies 9a, 11a, and 13a rotate by the thrust by the jetting pressure, and the preliminary cleaning is performed while rotating. In the pre-cleaning step, the chamber 69 above the powder detergent container 57 is closed by the opening / closing lid 79 and the partition member 67, so that it does not absorb moisture in the pre-cleaning step.

Next, in the main cleaning step, the second cleaning water supply pipe 65 is opened to discharge the cleaning water. Inlet 84
The detergent is dissolved by the washing water sent into the upper chamber 69 from above, and when a certain pressure is reached, the bent portion 77 bends downward. At the same time, the dissolved detergent water is fed into the water tank 53 from the inlet 86 of the lower room 70. In this case, it can be easily sent into the water tank 53 without requiring piping or the like. The detergent water in the water tank 53 is sent to the nozzle bodies 9a, 11a and 13a by the pump 43,
The main cleaning with the detergent is performed while rotating by spraying vigorously from 23.

Next, in the rinsing step, the second washing water supply pipe 65 is closed and the first washing water supply pipe 61 is closed.
Rinsing is performed by using only the washing water from the nozzles and injecting the washing water vigorously from the respective injection holes 17 and 23 as in the pre-cleaning step.

[0030]

As described above, according to the present invention, the powder detergent container can be disposed in the cleaning chamber, and the piping and the like are not required, so that the structure can be simplified. Further, the upper chamber can be made an independent detergent chamber by the opening / closing lid and the partition member, so that the detergent introduced during the standby until the main cleaning step does not absorb and solidify the moisture. Therefore, in the main washing step, the detergent water can be easily dissolved by the washing water sent from the inflow port, and the detergent water can be smoothly sent out into the water tank of the washing room by the bent portion bent by the water pressure.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view of a powder detergent container,

FIG. 2 is an overall explanatory view of an automatic washing machine implementing the present invention,

FIG. 3 is a bottom view of the support member,

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view of a cleaning nozzle,

[Explanation of symbols]

 9a, 11a, 13a Nozzle body 17 Injection hole for cleaning 43 Pump 51 Bottom 53 Water tank 57 Powder detergent container 67 Partition member 69 Upper room 70 Lower room 77 Bend

Continuation of the front page (56) References JP-A-53-115568 (JP, A) JP-A-53-101862 (JP, A) JP-A-52-80567 (JP, U) JP-A-59-127573 (JP) , U) Jikai Sho 50-116257 (JP, U) Jiko 48-25822 (JP, Y1) Jiko 49-43437 (JP, Y1) Jiko 39-3636 (JP, Y1) Jiko 42-16541 (JP, Y1) Jikgyo 7-27012 (JP, Y2) Jigoku 54-4855 (JP, Y2) Jigyo 57-57672 (JP, Y2)

Claims (1)

(57) [Scope of request for utility model registration] 1. A water tank into which washing water is sent is provided at the bottom of the washing chamber, and the washing water sent into the water tank is sent into a nozzle body by a pump, and the washing water is jetted from an injection hole provided in the nozzle body. In the automatic washing machine, a powder detergent container is provided in the washing chamber, and a partition member is provided in the container body of the powder detergent container to partition the chamber into upper and lower rooms. While providing an opening / closing lid and an inflow port through which the cleaning water is sent, a lower chamber is provided with an outflow port that opens into the cleaning chamber, and a part of the partition member is normally partitioned into upper and lower rooms and into an upper room. An automatic washing machine characterized in that it has a flexible bent portion which is bent downward by the pressure of the washing water sent in so as to communicate upper and lower rooms.