CN212213681U

CN212213681U - Dish washing machine

Info

Publication number: CN212213681U
Application number: CN202021863432.2U
Authority: CN
Inventors: 傅峰峰; 江志强; 蔡顺发
Original assignee: Guangzhou Fugang Wanjia Intelligent Technology Co Ltd
Current assignee: Guangzhou Fugang Wanjia Intelligent Technology Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-25
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a dish washing machine, which comprises a closed inner cavity, a spray head, a heating component and a drain pipe, wherein the heating component heats spray water, and the spray head sprays tableware placed in the inner cavity of the dish washing machine; the sprayed water is accumulated in the inner cavity of the dish washer, and is discharged outside the dish washer through the drain pipe, and the device also comprises an air supply device which supplies air and pressurizes air to the inner cavity of the dish washer so that the inner cavity of the dish washer exhausts through the drain pipe. Has the advantages that: the dish-washing machine exhausts air through the water drainage pipe which is generally connected with a kitchen floor drain or a sewer and cannot be discharged to the wall surface of a building, so that water drops can be prevented from condensing on the wall surface of the building by water vapor in hot air discharged by the dish-washing machine.

Description

Dish washing machine

Technical Field

The utility model relates to a dish washing machine.

Background

The dish washer can heat and disinfect tableware when washing dishes, and hot air is reserved in an inner cavity of the dish washer after the dishes are washed. The dish-washing machine in the prior art is separately provided with the exhaust pipe to exhaust hot air in an inner cavity, but when vapor in the hot air is exhausted to the outside, the vapor is easy to contact with a building wall surface opposite to the pipe orifice of the exhaust pipe, condenses into water drops and is attached to the building wall surface, provides living environment for moss, bacteria and the like, does not meet the sanitary requirement, also causes the wall surface to be moist, and wall finish is easy to peel off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dish washer which can not condense water beads on the building wall surface during the exhaust.

The dish washing machine comprises a closed inner cavity, a spray head, a heating part and a water discharge pipe, wherein the heating part heats spray water, and the spray head sprays tableware placed in the inner cavity of the dish washing machine; the sprayed water is accumulated in the inner cavity of the dish washer, and is discharged outside the dish washer through the drain pipe, and the device also comprises an air supply device which supplies air and pressurizes air to the inner cavity of the dish washer so that the inner cavity of the dish washer exhausts through the drain pipe.

Furthermore, the shell of the dish washer is provided with an air inlet, and the air supply device is arranged at the air inlet; the air inlet is also provided with a sealing piece and a driving device, and the driving device drives the sealing piece to move so as to seal/open the air inlet.

Further, the air supply device comprises a positive pressure fan, and the positive pressure fan supplies air to the inner cavity of the dish washing machine through the air inlet to pressurize the inner cavity of the dish washing machine so that the inner cavity of the dish washing machine exhausts through the drain pipe.

Further, the sealing piece is located above and/or below the air inlet, the driving device drives the sealing piece to move in a mode of approaching the air inlet until the sealing piece is attached to the air inlet so as to seal the air inlet, and the driving device drives the sealing piece to move away in a mode of departing from the air inlet so as to open the air inlet.

And the water return pipe is connected with a water pump in series, one end of the water return pipe is led out from the water discharge pipe, and the other end of the water return pipe is communicated with the spray header.

Furthermore, the heating part is connected in series with the water return pipe so as to heat the spray water.

Furthermore, an opening leading to the drain pipe is formed in the inner wall of the bottom of the machine shell.

The dishwasher further comprises a water inlet pipe and a water return pipe which supply water from the outside to the dishwasher, wherein the water return pipe is connected with a water pump in series, one end of the water return pipe is communicated with the drain pipe, and the other end of the water return pipe is communicated with the spray header; the water supplied by the water inlet pipe flows out of the inner cavity of the dish washer through the water outlet and flows into the water return pipe through the opening.

Furthermore, a water inlet pipe is connected in series with a water softening device to soften the water discharged into the inner cavity of the dish washer.

Has the advantages that: the dish-washing machine exhausts air through the water drainage pipe which is generally connected with a kitchen floor drain or a sewer and cannot be discharged to the wall surface of a building, so that water drops can be prevented from condensing on the wall surface of the building by water vapor in hot air discharged by the dish-washing machine.

Drawings

FIG. 1 is a side rear perspective view of a dishwasher;

FIG. 2 is a front view of the dishwasher (with the door hidden);

FIG. 3 is a schematic view of the cutlery basket separated from the housing;

FIG. 4 is a front view of a dish rack in a dishwasher with dishes (one dish hidden);

FIG. 5 is a left side view of the dishwasher (with the housing hidden, with the cutlery basket and the cutlery thereon);

FIG. 6 is a perspective view of the dishwasher (with the housing and dish basket hidden);

FIG. 7 is a perspective view of a dishwasher basket;

FIG. 8 is a perspective view of the positive pressure fan;

in the figure: 1. a door; 2. a housing; 3. a water outlet; 4. a water inlet; 5. a positive pressure fan; 6. a shower head; 7. a tableware basket; 8. a floor drain; 9. a bowl; 10. a plate; 40. a water outlet; 41. a first section of the water inlet pipe; 42. water softening equipment; 43. the tail section of the water inlet pipe; 50. a sealing plate; 51. a lifting motor; 52. a sleeve; 53. a rack; 60. a first section of a water return pipe; 62. a heating member; 61. a water pump; 63. a middle front section of the water return pipe; 64. a middle-rear section of the water return pipe; 65. the tail end of the water return pipe; 70. a high protrusion; 71. a short boss; 72. a backrest plate; 73. the chopsticks are horizontally placed on the rack; 74. a backup member; 75. a second placing bit; 76. a handle; 77. a first placing position; 80. a drain pipe; 81. a three-way pipe.

Detailed Description

As shown in fig. 1 and 3, the outer rear wall of the dishwasher is provided with a water inlet 4 and a water outlet 3, the two inner side walls are respectively provided with a left spray head 6 and a right spray head 6 (the right spray head 6 is shielded in fig. 3), and the inner bottom wall is provided with a floor drain 8. A floor drain 8 as the bottom opening of the cabinet 2 is connected with a three-way pipe to lead to the water outlet 3 and the shower head 6 respectively. The top wall of the dishwasher is vertically provided with an air inlet (not numbered in the figure) which can be opened and closed, and the air inlet is provided with a positive pressure fan 5. The water outlet 3 and the air inlet are in a closed state when the dishwasher washes dishes, and a user pushes the handle 76 to push the dish basket 7 into the dishwasher and closes the door 1 of the dishwasher so that the dishwasher is in a closed state, and the dishwasher can wash dishes. Clean water is delivered into the inner cavity of the dish washer through the water inlet 4, then delivered to the heating part (shielded in figure 3) through the floor drain 8 for heating, and finally delivered to the spray head 6 for spraying out so as to clean the tableware. The water used for cleaning the tableware is used as circulating water and flows into the spray header 6 again through the floor drain 8, and is sprayed out again to clean the tableware. After the whole dish washing process is finished, the three-way pipe is controlled to close the circulating pipeline (shielded in figure 3) and open the drainage pipeline (shielded in figure 3), so that the circulating water accumulated in the dish washing machine flows to the drainage port 3 through the floor drain 8 and then is drained to the municipal pipeline. Because the heating part heats clean water, hot air still remains in the dish washer after water is discharged and needs to be discharged, so the dish washer opens the air inlet and starts the positive pressure fan 5 serving as an air supply device to supply air and pressurize to the inner cavity of the dish washer, and the inner cavity of the dish washer is exhausted through the drain pipe 80.

The above-mentioned circulation pipeline and drainage pipeline are built in the casing 2, as shown in fig. 6, the inlet of the first section 41 of the water inlet pipe is used as the water inlet 4, and the outlet is connected with the inlet of the water softening device 42; the inlet of the end section 43 of the water inlet pipe is communicated with the outlet of the water softening device 42, and the outlet is used as the water outlet 40 leading to the inner cavity of the dish-washing machine, so that clean water can firstly pass through the water inlet 4 and then enter the inner cavity of the dish-washing machine through the water outlet 40. The inlet of the water drain pipe 80 is communicated with the floor drain 8, and the outlet is communicated with one port of the three-way pipe 81; one of the other two ports of the three-way pipe 81 is used as the water outlet 3, one port is communicated with the inlet of the first section 60 of the water return pipe, the outlet of the first section 60 of the water return pipe is communicated with the water pump 61, so that the water in the water discharge pipe 80 can be pumped into the first section 60 of the water return pipe by closing the water outlet 3 and opening the first section 60 of the water return pipe, and the water in the water discharge pipe 80 can be discharged out of the dishwasher by closing the first section 60 of the water return pipe and opening the water outlet 3. The inlet of the front section 63 of the return pipe is connected with the water pump 61, and the outlet is connected with the heating component 62. The inlet of the middle and rear sections 64 of the return pipe is communicated with the heating component 62, the outlet is respectively communicated with the inlets of the two end sections 65 of the return pipe, and the outlets of the two end sections 65 of the return pipe are respectively communicated with the two spray headers 6, so that the water in the first section 60 of the return pipe can finally flow to the two spray headers 65.

As shown in fig. 8, the sleeve 52 is vertically movably sleeved on the sidewall of the positive pressure fan 5, a rack 53 engaged with the output teeth of the lifting motor 51 is arranged on the outer sidewall of the sleeve 52, a connecting rod extends downwards from the bottom of the sleeve, and a sealing plate 50 is fixedly connected to the bottom of the connecting rod. The lifting motor 51 and the positive pressure fan 5 which are used as driving devices are fixedly arranged in the air inlet formed in the top wall of the dish washing machine, when the dish washing machine washes dishes, the lifting motor 51 drives the rack 53 to move upwards so as to drive the sealing plate 50 which is used as a sealing piece to move upwards to seal the lower end of the air inlet in a state shown in figure 2, and therefore the positive pressure fan 5 is prevented from being corroded by water vapor. When the dish washer carries out the exhaust air, make elevator motor 51 start, elevator motor 51 moves down through drive rack 53 and drives sleeve 52 and seal plate 50 and move down jointly, has opened the air intake and has made the lower extreme intercommunication dish washer inner chamber of air intake, and positive pressure fan 5 just can be to the dish washer inner chamber air supply. It should be noted that a sealing plate can be replaced or added, which is located above the air inlet and is driven by the rack 53 to move down to seal the upper end of the air inlet.

As shown in fig. 3 and 5, the two shower heads 6 spray water laterally to wash the dining container in the dish basket 7. As shown in fig. 4 and 7, a back plate 72 is provided at the center of the dish basket 7, and the first placement position 77 on the left and the first placement position 77 on the right are back-to-back and separated from each other by the back plate 72. Taking the first placement position 77 on the left as an example, two bowls 9 as first meal containers are placed on the side with the bowl mouths facing the spray header 6 on the left, and the back of the bowls 9 at the back (toward the right in fig. 4) depends on the left plate surface of the back plate 72. The bottom of the first placement site 77 is provided with a short boss 71 between the left shower head 6 and the back plate 72, and a high boss 70 between the left shower head 6 and the short boss 71. As shown in fig. 4, the rear part of the sloping side wall of the preceding bowl 9 is slightly raised by the short projections 71 so that the bowl mouth is slightly downward for draining the shower water in the bowl, while the bowl mouth edge rests on the high projections 70 as second projections to prevent the bowl from falling over further down. In the view of fig. 5, for the bottom of the bowl 9, the high protrusion 70 and the low protrusion 71 are arranged in the center, not to be deviated to the left or to the right, so that the projection line of the axis of the bowl 9 at the bottom of the first placement position 77 passes through the high protrusion 70 and the low protrusion 71. Returning to fig. 4, the subsequent bowl 9 has its bowl opening directed slightly downwards, the bowl opening edge resting on a low bulge 72. The right first placing position 77 and the left first placing position 77 are mirror-symmetrical about the back plate 72, and two bowls with different sizes are placed in the right first placing position 77 in a side-lying manner in such a way that the bowl mouths are opposite to the right spray header 6; the subsequent bowl 9 is larger in size so that its rear face rests higher on the contact points on the backrest plate 72. The backrest plate 72 is designed as a plate, so that it has a plurality of height positions for the bowls to rest on, and is suitable for bowls 9 of different sizes.

Two second placement sites 75 on the sides of the back plate 72 face each other and are separated from each other by the back plate 72. The upper end of the backrest plate 72 includes a chopstick rest 73 arranged along the axis of the bowl 9. Taking the second placement position 75 facing away from the reader as an example, the back of the second placement position 75 is provided with a stopper 74. A plate 10 as a second food container is horizontally placed in a second placing position 75 in a manner that the plate opening faces the axis of two bowls 9, the edge of the plate opening depends on the side part of the chopstick horizontal placing frame 73, the back surface depends on the baffle piece 74, one part of the second placing position 75 is positioned at the side of the left first placing position 77, and the other part is positioned at the side of the right first placing position 77, so that one part of the plate opening of the plate 10 horizontally placed on the side faces the side front of the left spray head 6, and the other part of the plate opening of the plate 10 horizontally placed on the side faces the side front of the right spray head 6. The distance between the backrest plate 72 and the baffle piece 74 is 1.5 cm-3.5 cm, preferably 3 cm. The two second placement positions 77 are mirror images of the axis of the bowl 9. The two shower heads 6 are provided with a drive means which drives the two shower heads 6 to rotate circumferentially around the axis of the bowl 9 so as to provide a circumferential velocity to the shower water leaving the shower heads 6, throwing part of the shower water side to the pan mouths of the two pans 10 for spraying.

Claims

1. The dishwasher comprises a closed inner cavity, a spray header (6), a heating part (62) and a drain pipe (80), wherein the heating part (62) heats spray water, and the spray header (6) sprays tableware placed in the inner cavity of the dishwasher; the water that has sprayed is accumulated in the inner cavity of the dish washer, and is discharged outside the dish washer through the water discharge pipe (80), and the dish washer is characterized in that: the dishwasher also comprises an air supply device which supplies air to the inner cavity of the dishwasher and pressurizes the inner cavity of the dishwasher so as to exhaust air through the drain pipe (80).

2. The dishwasher of claim 1, wherein: an air inlet is formed in the shell (2) of the dish washing machine, and the air supply device is arranged at the air inlet; the air inlet is also provided with a sealing piece and a driving device, and the driving device drives the sealing piece to move so as to seal/open the air inlet.

3. The dishwasher of claim 2, wherein: the air supply device comprises a positive pressure fan (5) which supplies air to and pressurizes the inner cavity of the dish washer through the air inlet so that the inner cavity of the dish washer exhausts through the drain pipe (80).

4. The dishwasher of claim 2, wherein: the sealing piece is located above and/or below the air inlet, the driving device drives the sealing piece to move in a mode of approaching the air inlet until the sealing piece is attached to the air inlet so as to seal the air inlet, and the driving device drives the sealing piece to move away in a mode of departing from the air inlet so as to open the air inlet.

5. The dishwasher of claim 1, wherein: the water-saving spray head comprises a water return pipe, wherein the water return pipe is connected with a water pump (61) in series, one end of the water return pipe is led out from a water discharge pipe (80), and the other end of the water return pipe is communicated with the spray head (6).

6. The dishwasher of claim 5, wherein: the heating part (62) is connected in series with the water return pipe so as to heat the spray water.

7. The dishwasher of claim 1, wherein: the inner wall of the bottom of the machine shell (2) is provided with an opening (8) leading to the drain pipe (80).

8. The dishwasher of claim 7, wherein: comprises a water inlet pipe and a water return pipe which supply water from the outside to the inside of the dish washing machine, wherein the water return pipe is connected with a water pump (61) in series, one end of the water return pipe is communicated with the water discharge pipe (80), and the other end of the water return pipe is communicated with the spray header (6); water supplied by the water inlet pipe flows out of the inner cavity of the dish washing machine through the water outlet (40) and flows into the water return pipe through the opening.

9. The dishwasher of claim 8, wherein: the water inlet pipe is connected with a water softening device (42) in series to soften the water discharged into the inner cavity of the dish washer.