A sink-type washing machine includes a case, a drain board, a water pump and a rotary spray arm; the case includes a sink body and a cover plate; the sink body has a recess which forms a drain region, the water pump is inside the drain region, the drain board covers the drain region, the rotary spra
A sink-type washing machine includes a case, a drain board, a water pump and a rotary spray arm; the case includes a sink body and a cover plate; the sink body has a recess which forms a drain region, the water pump is inside the drain region, the drain board covers the drain region, the rotary spray arm is above the drain board, water outlets being in communication with the flow channel in the water pump so that water in the drain region can be sprayed into the washing space and above the drain region. A drain board covers the drain region and a water pump is disposed inside the drain region, the water pump is isolated from the washing region by the drain board, so that the water flowing back to the water pump is firstly filtered by the drain board.
대표청구항▼
1. A sink-type washing machine comprising: a sink body having a washing space and a bottom portion, the sink body having a recess, the recess defining a drain region at least at a center of the bottom portion, the bottom portion of the sink body comprises a bottom board, the recess is formed at a ce
1. A sink-type washing machine comprising: a sink body having a washing space and a bottom portion, the sink body having a recess, the recess defining a drain region at least at a center of the bottom portion, the bottom portion of the sink body comprises a bottom board, the recess is formed at a center of the bottom board;an ultrasonic generator disposed on the bottom board;a water pump disposed inside the drain region for pumping water in the drain region, the water pump having a flow channel and an impeller;a cover plate rotatably connected on the sink body;a drain board with a plurality of drain holes disposed inside the sink body and covering the recess of the bottom board, the recess under the drain board forming the drain region;a rotary spray arm with a plurality of water outlets disposed above the drain board, the plurality of water outlets being in communication with the flow channel in the water pump,wherein the water in the drain region can be sprayed into the washing space and above the drain region,the impeller further comprises a central shaft and a plurality of blades disposed on a circumferential surface of the central shaft, each blade having a curvy part and a straight part, the straight part extending axially away from the central shaft, andthe drain board further defines a circular opening and a residue basket is disposed in the sink body, under the circular opening and flushed with the drain board, and a surface of the drain board is flushed with the bottom board of the sink body around the drain board. 2. The washing machine of claim 1, wherein, the bottom board has a hole at a center and a box is disposed under the hole of the bottom board; the drain board covers the box, a space inside the box forms the drain region. 3. The washing machine of claim 1, wherein, the cover plate comprises an upper cover and a lower cover both made of glass and separated by a distance, and the upper cover and the lower cover are bound by a metal frame; a transparent observation window is formed at a center of the cover plate. 4. The washing machine of claim 3, wherein, the metal frame has an air vent in communication with the washing space and an air outlet in communication with outside, the air vent and the air outlet are connected by a pipeline. 5. The washing machine of claim 3, wherein, a recessed step is provided on an inner circumference of a top of the sink body, and a seal matching with the step is disposed on a circumference of a bottom of the metal frame of the cover plate, and the cover plate is connected with the step of the sink body in a sunken manner. 6. The washing machine of claim 5, wherein, the upper cover of the cover plate is flushed with an outer edge of the top of the sink body. 7. The washing machine of claim 5, wherein, a rear side of the cover plate is rotatably connected to the top of the sink body by a second shaft. 8. The washing machine of claim 7, wherein, the second shaft includes two shaft arms respectively located at two sides of the metal frame and attached to the metal frame, a hollowed positioning bracket with two ends located between the two shaft arms and attached to the sink body, and two damping shafts respectively disposed inside the hollowed positioning bracket and at each end of the positioning bracket, each shaft arm is engaged with one damping shaft. 9. The washing machine of claim 8, wherein, each damping shaft includes a sleeve attached to the positioning bracket and a core located in the sleeve, and an end of each core is inserted into the respective shaft arm and engaged with the respective shaft arm. 10. The washing machine of claim 8, wherein, multiple positioning pins are disposed at intervals on a bottom of the positioning bracket, and multiple positioning holes are formed on the top of the sink body at corresponding positions to the positioning pins, so as to make the cover plate positioned relative to the sink body. 11. The sink-type washing machine of claim 1, wherein the residue basket is in communication with a water drain pipe. 12. The sink-type washing machine of claim 1, further comprising a heater disposed in the sink body and under the drain board. 13. The sink-type washing machine of claim 1, wherein the residue basket is disposed off center from an axis defined by the impeller.
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이 특허에 인용된 특허 (2)
Sargeant Adrian A. (Dunedin NZX) Currie William H. (Dunedin NZX) Ouwens Willem (Outram NZX) Brace Philip J. (Auckland NZX) Todd Robert W. (Dunedin NZX) Scholz Hans-Joachim (Otago NZX), Dishwasher.
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