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Pump for washing machine

A washing machine and pump housing technology, applied in other washing machines, pumps, applications, etc., can solve problems such as poor circulation and inability of washing water

Inactive Publication Date: 2008-04-02
HITACHI HOME & LIFE SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the washing machine pump of the type described in Patent Document 1, cloth dust may be stuck between the gap between the pump housing and the rotating impeller, and cloth dust may be stuck in the discharge port, which may cause poor or impossible circulation of the washing water. Cloth crumbs need to be considered

Method used

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  • Pump for washing machine
  • Pump for washing machine

Examples

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Embodiment Construction

[0022] Examples of embodiments of the present invention will be described with reference to FIGS. 1 to 12 .

[0023] In these embodiments, a circulation pump for a washing machine will be described as an example.

[0024] First, an overview of the washing machine will be described sequentially with reference to FIG. 1 .

[0025] The washing tank 2 containing the laundry 1 to be washed doubles as a dehydration tank. The inner bottom of the washing tub 2 is equipped with an agitator 3 that can rotate freely when the laundry 1 is agitated. The outer tank 4 built in the washing tub 2 has a function of storing washing water in the washing tub 2 . A motor 5 is provided on the outer bottom of the outer tank 4 . The motor 5 performs the agitation operation of the agitator 3 and the dehydration rotation of the washing tub 2 .

[0026] The outer tank 4 is hung in the washing machine frame 6 with the suspension rod 7 together with the washing tank 2 and the motor 5 .

[0027] A wate...

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Abstract

The invention relates to a pump for a washing machine, comprising a pump casing and a rotation runner rotationally installed in the pump casing, wherein, the rotation runner includes a runner base plate and a plurality of runner blades erectly provided on the runner base plate and extending to a radial direction from a runner rotation axis. The pump casing is arranged at the reverse side of the runner base plate. The pump casing includes a suction opening arranged on a position facing a center of the runner blade, and a heave arranged on a circular circumference part opposite to the outer circumference side of the runner base plate. The heave is heaved towards to the outer circumference side of the circular envelope line of the circumference part. Besides, the heave is provided with a spraying outlet pipe extending from the heave to the tangent direction of the circular envelope line.

Description

[0001] This application is a divisional application of the invention application whose application number is 2005100681615, the application date is April 27, 2005, and the invention name is "pump for washing machine". technical field [0002] The present invention relates to an improvement of a washing machine pump which sucks up washing water stored in a washing tank and an outer tank, sprinkles it on the laundry in the washing tank, and discharges the used washing water. Background technique [0003] The washing machine pump has, for example, the structure shown in Japanese Patent Document 1 (JP-A-8-23356). [0004] The pump for washing machines disclosed in Patent Document 1 includes a pump housing and a rotatable rotary impeller built in the pump housing. [0005] In the washing machine pump of the type described in Patent Document 1, cloth dust may be stuck between the gap between the pump housing and the rotating impeller, and cloth dust may be stuck in the discharge p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D7/04F04D29/24F04D29/42D06F39/08F04D9/02F04D29/22
Inventor 石川俊一富田隆士大川友弘
Owner HITACHI HOME & LIFE SOLUTIONS INC