JPH0884893A - Washing machine with water supply pump - Google Patents

Abstract

PURPOSE: To eliminate a foreign material included in supplied water in the washing machine provided with a bath water supply pump. CONSTITUTION: A delivery of a water supply valve 13 from a city water supply and a delivery of a pump 34 used to supply bath water are integrated in a top cover 8 of a washing machine to be a water conduit and a removable net filter 33 is provided to an exit of the water conduit. This, foreign materials such as hair sucked by a city water supply pump are filtered out by the filter 33 before being entered into a washing tank and not floated in the tank. Furthermore, the filter is simply cleaned and the maintenance is facilitated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a household washing machine,
The present invention relates to a washing machine with a water supply pump that uses the remaining hot water in a bath for washing.

[0002]

2. Description of the Related Art In the conventional washing machine having a water absorption pump, water used for washing has been supplied to the washing tub from separate water inlets for clean water and water absorption. Moreover, the water discharge outlet is
There was no filter in the open. As a result, hair or the like that has passed through the filter on the suction side may float in the wash water, which may cause discomfort to the user.

[0003]

An object of the present invention is not to supply dirty bath water into the washing tub when the bath water is automatically supplied in the effective use of the bath water.

[0004] Specifically, hair and dirt that are floating when the bath water is to be pumped up to the end must be removed. Moreover, since such dust and the like will rot and leave a bad odor if left as it is accumulated in the filter, it is necessary for the washing machine to keep the filter clean.

Further, even in tap water, iron is dissolved due to corrosion of piping called red water, and the water is colored red (tap water or well water). May have to be used for washing, and naturally there is a problem that it adheres to laundry and causes yellowing.

[0006]

[Means for Solving the Problems] In a washing machine, a structure in which a lint floating in washing water is circulated by a pump and collected in a net-shaped lint filter is permanently installed, and a user cleans the lint filter dust. It is becoming established. However, collecting hair and dirt contained in water pumped from the bath without removing hair and dust and collecting with a lint filter is convincing for users who are trying to wash for the sake of cleanliness. This is a factor that can prevent the use of bath water. A filter is naturally installed in the strainer at the suction port of the bath water pump, but if this filter is made fine, it will impair the suction characteristics and the water supply will take a long time, so there is a limit to making the mesh fine, The dust passes through the filter. On the other hand, there are few restrictions on each discharge port side of the bath water pump, which is advantageous. From the results of the lint filter, it can be inferred that a new request for filter cleaning will not cause a large burden on the user. In addition, since the free water content of clean water is determined to be 0.1 mg / l or more by the Waterworks Law, it can be expected to prevent spoilage of collected waste due to the sterilizing action of chlorine.

Therefore, the water supply valve for supplying clean water and each discharge port of the bath water pump should be arranged in a gutter-shaped water supply pipe, and a detachable water supply filter should be installed at the outlet desired for the washing tub of the water supply pipe. Then, clean water and bath water are supplied to the washing tub through the water supply filter.

[0008]

[Function] Since clean water and bath water are supplied to the washing tub through the water supply filter, dust such as hair and dirt floating in the bath water can be removed. Although it is determined by the mesh of the water supply filter, impurities such as red water and iron that have a large particle size can be removed. Moreover, since the water filter is removable, the user can determine the accumulation of dust and clean it. By passing the clean water through the same clean water filter, the sterilizing action of chlorine contained in the clean water can prevent the garbage collected in the clean water filter from spoiling.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an overall layout of an embodiment of the present invention. 1 is a washing machine. 2 is a tap for tap water. Three
Is a water supply hose that connects the faucet to the washing machine. 4 is
It is a bath. 5 is a water supply hose for sending bath water to the washing machine. A strainer 6 is attached to the tip of the water supply hose 5 to prevent dirt such as hair from being sucked.
7 is a drain hose for draining the drainage of the laundry.

FIG. 2 is a sectional view of a washing machine according to an embodiment of the present invention. Reference numeral 8 is a top cover that constitutes a base on the upper surface of the washing machine. 9 is a front cover of the top cover 8, and a controller (not shown) for operating the washing machine is sandwiched between the controller and the top cover 8 to hold and screw them. Further, on the front cover, a switch section for instructing the washing machine to operate and a lamp display section (neither shown) for displaying the operation state are arranged. Reference numeral 10 denotes a front portion of the two-divided lid, and 11 denotes a rear portion of the two-divided lid, which are rotatably attached to each other by glancing. The rear portion 11 of the two-divided lid is engaged with two locking portions (not shown) of the top cover 8 and serves as a fulcrum for opening and closing the lid. A rear cover 12 serves as a cover of a storage portion for electric components. It is fixed to the top cover 8 with screws. 13 is
It is a part for supplying clean water from the tap water to the washing machine with the water supply valve, and electrically opens and closes the valve according to the instruction of the controller. 3a
Fixes the water supply hose 3 to the thread portion of the water supply valve 13 with a water supply nut.

Reference numeral 14 is an outer frame. Reference numeral 15 is a hanging rod, one end of which is locked to 16 corner plates provided at the upper portions of the four corners of the outer frame 14, and the other end of which is connected via a vibration-proof spring 17
The outer tank 8 is elastically supported. 19 is a washing and dehydrating tank. 20 is a clutch. A motor 21 is fixed to a part of the base of the clutch 20 by a motor. Reference numeral 22 is a motor-side pulley with a cooling fan fixed to the shaft of the motor 21. A V-belt 23 transmits the rotation of the pulley 23 to the pulley 24 at the lower end of the clutch 20.
The washing / dehydrating tub 19 is fixed to a large-diameter output shaft provided on the shaft of the clutch 20. Rotate the motor 21 by 2
It decelerates with the individual pulleys 23 and 24, and spins at a high speed of 900 to 1100 rpm.

Reference numeral 25 is a drain valve. Reference numeral 26 is an air trap portion of the pressure sensor, which is integrally formed with a part of the outer tub 18 and converts the water level in the tub into air pressure and transmits it to the pressure sensor. 27 is an air tube for transmitting air pressure to the pressure sensor. 28 is a fluid balancer installed at the upper end of the washing and dehydrating tub 19. 29 is a washing and dehydrating tank 19
It is a dehydration hole. Reference numeral 30 denotes a stirring blade fixed to a small-diameter output shaft provided coaxially with the clutch 20. Stirring blade 3
0 is the dewatering speed 1 per minute by the reduction gear in the clutch
It is lowered to 30 to 150 rpm and a stirring operation of washing is performed.
As for the operation time, normal rotation and reverse rotation are performed for a short time according to instructions from the controller. Reference numeral 31 is a circulating water passage for pumping up the water discharged by the pumping action due to the rotation of the stirring blade 30 to the yarn waste collecting net 32 provided in a part of the fluid balancer 28. 33 is a water supply filter. While the lint removal net 32 circulates the washing water during washing to collect lint, the water supply filter 33 removes dirt contained in the supplied water.

FIG. 3 is a perspective view showing an essential part of the present invention. FIG. 4 is a top view of the main part. Top cover 8
2 shows the storage part for the electric components with the rear cover 12 removed.

Reference numeral 13a is a threaded portion of the water supply valve 13 for connecting the water supply hose. The water supply hose 3 is screwed by the water supply nut 3a. 13b is a discharge part of the water supply valve. Three
4 is a bath water pump, 34a is a suction port of the bath water pump, and 34b is a discharge part of the bath water pump. As shown in FIG. 1, the water supply hose 5 is connected to the suction port 34a of the bath water pump by utilizing the elasticity of the hose. The bath water pump 34 is a self-priming type and requires priming water for the first operation. The priming water is the suction port 34a of the bath water pump.
It is carried out by pumping a specified amount of water into. 35 is
It is a pressure sensor. The air tube 27 converts the water level in the washing tub into air pressure and transmits it to the pressure sensor 35, so that the change in the water level is transmitted to the controller in real time. 8a
Is a gutter integrally formed with the top cover 8. Gutter 8
a is divided into two chambers by a partition wall of 8b, one of which connects the discharge part 13b of the water supply valve to the side wall of 8c, and the other, the discharge part 34b of the bath water pump connects to the side wall of 8d. Since 36 tap water is discharged on the discharge part 13b side of the water supply valve, 36 buffer bodies are provided. When supplied from any of the discharge parts, it is supplied from the opening of the top cover 8 through the water supply filter 33 that is engaged in the washing tub. 33a is a frame portion of the water supply filter 33 and is attached to the opening portion of the top cover 8 by a claw provided on the frame portion.

As an embodiment of the present invention, a bath water pump 34
Is a self-priming type and is installed inside the top cover 8. As another application example, there is a system in which the pump is directly thrown into the bath basin for operation, but in any case, the discharge part 13b of the water supply valve and the discharge part 34b of the bath water pump are connected to the gutter 8a and a common water supply filter is provided. The purpose can be achieved by mounting 33.

[0016]

According to the above construction, it is possible to provide a construction in which the dirty bath water is not supplied into the washing tub when the bath water is automatically supplied.

At the same time, since the clean water is supplied to the washing tub through the water supply filter, not only hair and dirt floating in the bath water but also dust such as red water and impurities containing iron and having a large particle size can be removed. Further, since the water supply filter is detachable, the user can determine the accumulation of dust and clean it. Furthermore, when the clean water passes through the same clean water filter, the sterilizing action of chlorine contained in the clean water can prevent the dust collected in the clean water filter from spoiling.

[Brief description of drawings]

FIG. 1 is an overall layout of an embodiment of the present invention.

FIG. 2 is a cross-sectional configuration diagram of the washing machine according to the embodiment of the present invention.

FIG. 3 is a perspective view of a component structure according to the present invention.

FIG. 4 is a top view of a main part.

[Explanation of symbols]

3, 5 ... Water supply hose, 8 ... Top cover, 8a ... Gutter, 1
3 ... Water supply valve, 33 ... Water supply filter, 34 ... Bath water pump.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shigeharu Nakano 1-1-1 Higashitaga-cho, Hitachi-shi, Ibaraki Hitachi Electric Co., Ltd. Electronics Equipment Division Taga Headquarters

Claims (1)

[Claims] 1. A washing machine having a function of supplying washing water from a first clean water by a water supply valve and a function of supplying water from a water source other than a second clean water by a pump, in a water supply valve discharge port and a water suction discharge port. Is integrated with the top cover of the washing machine to form a gutter-shaped structure, the outlet of the gutter is arranged at the position of flowing down to the washing tub, and the bag-shaped filter is detachably arranged at the outlet of the gutter. Washing machine with water pump.