CN211704510U - Low-cost dish washer - Google Patents

Abstract

The utility model relates to a kitchen cleaning appliance, especially a low-cost dish washer, including the base and with the box, have the washing cavity in the box, wash the bottom of cavity and install spray set, and install circulation system and drainage system in the base, the box is including having upper end open-ended lower box and having lower extreme open-ended last box, lower box links into an integrated entity with the base, it is the cover dress to go up the box, and detachable installs in the upper end opening part of box down and with lower box sealing connection, wherein, the washing cavity surrounds with the inner chamber of last box by the inner chamber of lower box and forms, and goes up the box and expose in the height of box down for H1, the total height of dish washer is H, and wherein, H1H ═ 0.3 ~ 0.7. The utility model discloses a dish washer structure is simpler, and the cost is lower, in the course of the work moreover, is difficult to take place the problem of leaking to, after the tableware washing finishes, detachable goes up the box and can also be used to splendid attire tableware, transport tableware and carries out the waterlogging caused by excessive rainfall to the tableware.

Description

Low-cost dish washer

Technical Field

The utility model relates to a kitchen cleaning appliance, in particular to a low-cost dish washing machine.

Background

The existing dish washing machines on the market are generally divided into two types, one type is an embedded dish washing machine embedded into a wall or a water tank, the dish washing machine needs to be installed by professional personnel, the embedded dish washing machine does not occupy space, and for a user group with a small residential area, the kitchen space is greatly saved. The other type is a table type dish washing machine which can be placed on the table board, the table type dish washing machine can be placed in a kitchen space, can also be placed in spaces such as a living room and a balcony, is not influenced by the placement space, and can be moved along with furniture of a user. For the dish washing machine, the side surface of the common dish washing machine is provided with the door body which can be opened, the door body is sealed with the shell of the dish washing machine so as to prevent the water leakage of the inner cavity of the dish washing machine, although the existing dish washing machine has the problem of water leakage sealing, the door body needs to be frequently pulled open and closed, after the user uses the dish washing machine for a long time, the sealing effect is gradually weakened, and the risk of water leakage exists. In addition, because the door body is opened laterally, after the dishwasher is washed, a user has certain difficulty in taking and placing tableware because the space for opening the door body is narrow. On the other hand, to current dish washer, the spray arm is installed in the bottom of dish washer inner chamber, and in the course of the work, the dish washer can be by spray arm blowout high-pressure rivers, when rivers hit rigid inner chamber perisporium and roof, can produce great striking noise, influences consumer's normal work and rest.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose be exactly provide a dish washer, this dish washer structure is simpler, and the cost is lower, in the working process, is difficult to take place the problem of leaking, and it is also more convenient that the tableware is got and is put, and the noise is lower, and moreover, dish washer washs the back that the tableware finishes, and detachable goes up the box and can also be used to splendid attire tableware, transport tableware and carry out the waterlogging caused by excessive rainfall to the tableware.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a low-cost dish washer, includes base and the box of being connected with the base, have the washing cavity in the box, spray set is installed to the bottom of washing cavity, and installs the circulation system who communicates with spray set and the drainage system who is used for the waste water of discharging in the base, its characterized in that: the box is including having upper end open-ended lower box and having lower extreme open-ended last box, lower box links into an integrated entity with the base, it is the cover form to go up the box, and detachable installs in the upper end opening part of lower box and with lower box sealing connection, wherein, the washing cavity surrounds with the inner chamber of last box by the inner chamber of lower box and forms, just the height that the upper box exposes in lower box is H1, the total height of dish washer is H, wherein, H1H is 0.3 ~ 0.7.

Furthermore, a water containing cavity for storing water is arranged in the upper box body, and the water containing cavity can supply water to the cleaning cavity.

Furthermore, the water containing cavity is positioned on the top wall and/or in the peripheral wall of the upper box body;

or the top of the upper box body is provided with a water filling port communicated with the water containing cavity.

Further, go up the box bottom and be provided with the first water route coupling mouth with flourishing water cavity intercommunication, the top of box is provided with the second water route coupling mouth with the coupling of first water route coupling mouth water route down, second water route coupling mouth passes through communicating pipe intercommunication with the washing cavity.

Further, still be provided with the installation cavity in the upper box body, flourishing water cavity passes through the division board with the installation cavity and keeps apart.

Further, a water pump and a flowmeter are installed in the installation cavity, the water containing cavity, the water pump and the flowmeter are sequentially communicated through a communicating pipe, and the water outlet end of the communicating pipe is communicated with the cleaning cavity;

or the upper box body is provided with a water inlet which is used for communicating the water containing cavity with the cleaning cavity, the water inlet is provided with an electromagnetic valve which is used for controlling the opening and closing of the water inlet, a control device is arranged in the installation cavity, and the control device is electrically connected with the electromagnetic valve through a lead;

or, the installation cavity is positioned at the outer side of the installation cavity, the outer surface of the upper box body is provided with a human-computer interaction interface, and a human-computer interaction control panel is installed in the installation cavity at the inner side of the human-computer interaction interface.

Further, a sealing ring is arranged between the upper box body and the lower box body;

or one of the top of the lower box body and the bottom of the upper box body is provided with a water sealing groove, and the other one is provided with a water sealing rib inserted into the water sealing groove, wherein the water sealing groove and the water sealing rib are matched to form the sealing connection between the upper box body and the lower box body;

or the bottom of the upper box body is provided with a downward extending annular water retaining rib, and when the upper box body is arranged in the lower box body, the annular water retaining rib extends into the cleaning chamber from the opening of the lower box body;

or the top of the lower box body is provided with a supporting step, and the upper box body is arranged on the supporting step in a lap-joint mode.

Furthermore, the top of the upper box body is provided with a ventilation channel communicated with the cleaning chamber, a plurality of transverse water baffles are sequentially arranged in the ventilation channel from top to bottom, wherein two water baffles which are adjacent up and down are arranged in a staggered manner, so that the ventilation channel forms a labyrinth structure;

or the surface of the inner wall of the upper box body is provided with a non-stick coating or a sound insulation coating;

or the inner surface of the top wall of the upper box body is of a dome structure;

or the upper box body is made of transparent materials;

or a lock catch structure is arranged between the upper box body and the lower box body, and the upper box body is fixed on the lower box body through the lock catch structure in the working process of the dish washing machine.

Furthermore, a positioning structure for positioning and mounting is arranged between the upper box body and the lower box body.

Furthermore, the positioning structure comprises a positioning notch and a positioning bulge inserted into the positioning notch, one of the upper box body and the lower box body is provided with the positioning notch, and the other one is provided with the corresponding positioning bulge;

or the positioning structure is a positioning hole and a positioning column inserted into the positioning hole, one of the upper box body and the lower box body is provided with the positioning hole, and the other one is provided with the corresponding positioning column.

After the technical scheme is adopted, because the box includes box and relative lower box detachable goes up the box, and washs the cavity and enclose to close by the inner chamber of box and the inner chamber of last box down and form, consequently, the utility model discloses a dish washer is compared in the current dish washer of seting up the door body in the side, and the molding is more unique, and the structure is simpler, and the cost is lower to, when the user got and puts the tableware, only need with last box from the lower box take off can, it is very convenient to operate, moreover, after the dish washer has washed the tableware, the consumer can also use last box as the waterlogging caused by excessive rainfall basket, be used for splendid attire tableware and waterlogging caused by excessive rainfall, promoted the service function of last box greatly. Meanwhile, the dish washer of prior art, the door body is generally through the sealed actuation of magnet with the box, nevertheless through long-term use wearing and tearing back, and the door body has the existence to close the door not tightly, has the risk of leaking easily, and the utility model discloses a dish washer, even after the dish washer is worn and torn through long-term use, the sealed effect of pressing of the gravity of last box can be born always to upper and lower box between the box because it is vertical to go up the box, and with lower box sealing connection, even dish washer, the risk of corresponding seal structure inefficacy is lower, is difficult to take place the problem of leaking.

Additionally, the utility model discloses a dish washer, go up the flourishing water cavity that can also set up the water storage in the box, flourishing water cavity not only can be to supplying water in the washing cavity, and, at the in-process of dish washer work, go up the flourishing water cavity in the box still further have the noise effect that isolation rivers hit and beat the washing cavity inner wall, when being equipped with water in the flourishing water cavity very much, go up the multiple puigging of enough effectual formation of box physical stamina, and the energy that the noise propagated in aqueous medium can continuous decay even, consequently, the utility model discloses a dish washer compares in prior art's dish washer, has the better effect of making an uproar that falls that gives sound insulation, can the big problem of noise in the effectual solution dish washer working process.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of a first embodiment of a dishwasher according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an exploded view of the upper and lower cases of FIG. 1;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is an enlarged view of the structure at C in FIG. 4;

fig. 7 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 8 is a front view of the dishwasher of FIG. 7.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1, 2 and 3, the structure of the dishwasher of the present invention is schematically illustrated. The utility model provides a dishwasher, includes base 1 and the box 2 of being connected with base 1, wash cavity 20 has in the box 2, wash spray set 3 is installed to the bottom of cavity 20, and installs in the base 1 with the circulation system 4 of spray set 3 intercommunication and the drainage system (not drawn in the picture) that is used for the waste water of discharging, box 2 is including having upper end open-ended lower box 21 and having lower extreme open-ended last box 22, lower box 21 and base 1 integrated into one piece, it is the cover dress to go up box 22, and detachable install in the upper end opening part of lower box 21 and with lower box 21 sealing connection, wherein, wash cavity 20 and enclose with the inner chamber of last box 22 by the inner chamber of lower box 21 and form.

In this embodiment, the top of the lower box 21 is provided with a supporting step 211, the upper box 22 is mounted on the supporting step 211 in a lap manner, a sealing ring 5 is arranged between the upper box 22 and the supporting step 211, meanwhile, the bottom of the upper box 22 is provided with an annular water retaining rib 221 extending downwards, when the upper box 22 is mounted on the supporting step 211 of the lower box, the annular water retaining rib 221 extends into the cleaning chamber 20 from an opening of the lower box 21, and the lower end of the annular water retaining rib 221 is lower than the supporting step 211. In this embodiment, the upper case 22 is made of a transparent material, and the top of the upper case 22 is further provided with an air hole 220.

To this embodiment, because the box includes box and the relative box detachable goes up the box down, and wash the cavity and enclose with the inner chamber of last box by the inner chamber of box down and form, consequently, the dish washer of this embodiment compares in the current dish washer of seting up the door body in the side, the molding is more unique, the structure is simpler, the cost is lower, and, when the user got and puts the tableware, only need with go up the box from the box down take off can, it is very convenient to operate, moreover, after the dish washer has washed the tableware, the consumer can also use the box as the waterlogging caused by excessive rainfall basket, be used for splendid attire and transport tableware, the service function of last box has been promoted greatly. Meanwhile, the dish washer of prior art, the door body is generally through the sealed actuation of magnet with the box, nevertheless through long-term use wearing and tearing back, the door body has the existence and closes the door not tightly, there is the risk of leaking easily, and the dish washer of this embodiment, because it is vertical to install on lower box to go up the box, and with lower box sealing connection, even the dish washer is through long-term use wearing and tearing back, the effect is pressed to the gravity that the box was last always born to upper and lower sealed between the box, the risk that corresponding seal structure became invalid is lower, be difficult to take place the problem of leaking.

Also, in the present embodiment, the upper case is made of a transparent material such as: transparent plastic or glass, consequently, in the cleaning process, the consumer can directly see through the omnidirectional tableware cleaning process to wasing the cavity in last box and look over, is showing the enjoyment that has promoted the consumer and used dish washer. Meanwhile, in the embodiment, the upper box body can be used as a draining basket for containing tableware and draining the tableware, so that the inner surface of the top wall of the upper box body is generally designed into a dome structure, residual water on the tableware can conveniently fall onto the dome surface of the upper box body, and the residual water can flow out of the upper box body through the air holes. And, dish washer is at the cleaning work in-process, and the roof internal surface of last box designs into the dome structure, also is favorable to spraying the washing hydroenergy on the dome and flows back to the washing chamber along the dome surface, and, in the stoving in-process, the dome structure lets steam condense into the water droplet more easily and flows into the stoving intracavity, carries out fast drying.

It should be pointed out that, in this embodiment, the sealing washer is used for sealing up, the gap between the lower box, prevent that spray set from having the water to leak out at the abluent in-process that sprays, and simultaneously, annular manger plate muscle is less than and supports the step setting, annular manger plate muscle also has the effect of manger plate like this, when spray set sprays washing water to last box top internal surface, rivers can flow to the bottom of wasing the cavity down along the inner wall of last box and annular manger plate muscle, consequently, in this embodiment, annular manger plate muscle has further waterproof, the manger plate effect, play dual leak protection water's effect. Of course, for the embodiment, the upper box body and the supporting step do not need a sealing ring, but the annular water retaining rib directly realizes the waterproof and water retaining functions.

It should be noted that, for the embodiment, the height of the upper box body exposed above the lower box body is H1, and the total height of the dishwasher is H, wherein, H1/H is required to be 0.3-0.7, because if H1/H is greater than 0.7, the height of the lower box body is lower, the top opening of the lower box body may be lower than the spraying device in the washing chamber, at this time, when the dishwasher is in operation, if the user takes the upper box body off unintentionally, the washing water in the washing chamber may be poured out directly, and there is a safety hazard. Therefore, in the present embodiment, H1/H is generally required to be less than or equal to 0.7, and the top opening of the lower box body is required to be higher than the spraying device. If H1/H is less than 0.3, the height of the upper box exposed out of the lower box is small, and the lower box is high, so that when a user places the dishwasher on the table, the user takes the upper box down and places the dishware in the washing chamber or takes the dishware out of the washing chamber, which is difficult, especially when the user is short in height, the operation is more difficult. Therefore, in the present embodiment, H1/H is generally required to be 0.3 to 0.7 mm. In order to meet the use requirements of most people, H1/H is selected to be 0.4-0.6, preferably 0.44-0.45, for example, the total height H of the dishwasher is 400mm, and the height H1 of the exposed part of the upper box is 177 mm.

In addition, to this embodiment, go up and can also be provided with the hasp structure between the box and the lower box, and in the dish washer working process, go up the box and be fixed in on the box down through the hasp structure to prevent dish washer in the working process, user's maloperation from taking away last box, and cause the potential safety hazard.

It should be noted that, the above structures and parameters of the present embodiment can be applied to other embodiments of the present invention.

Example two:

as shown in fig. 4, 5 and 6, the structure of the second embodiment of the present invention is schematically illustrated. The difference between the present embodiment and the first embodiment is: in this embodiment, the upper case 22 has a water chamber 20a for storing water therein, and the water chamber 20a can supply water into the cleaning chamber 20. The water containing cavity 20a comprises a first water containing cavity 20a1 positioned in the top wall of the upper box body and a second water containing cavity 20a2 positioned in the peripheral wall of the upper box body, wherein the first water containing cavity 20a1 is communicated with the second water containing cavity 20a2 into a whole. Meanwhile, the bottom of the upper box body 22 is provided with a first waterway coupling port 222 communicated with the water containing cavity 20a, the top of the lower box body 21 is provided with a second waterway coupling port 212 coupled with the first waterway coupling port 222 in a waterway manner, the second waterway coupling port 212 is communicated with the cleaning cavity 20 through a communicating pipe 6, and a water pump 7 for pumping water into the cleaning cavity 20 and a flow meter 8 for detecting flow are further installed on the communicating pipe 6, wherein the communicating pipe 6, the water pump 7 and the flow meter 8 are all installed in the base 1, and the water outlet end of the communicating pipe 6 extends into the cleaning cavity 20.

In this embodiment, a water sealing groove 213 is disposed on the supporting step 211, a water sealing rib 223 is disposed at the bottom end of the upper box 22, and the water sealing rib 223 is inserted into the water sealing groove 213 to form a sealed connection between the upper box 22 and the lower box 21.

Meanwhile, in the present embodiment, the first waterway coupling port 222 is in sealed communication with the second waterway coupling port 212, the elastic valve body 224 is disposed on the first waterway coupling port 222, and the push rod 214 is disposed in the second waterway coupling port 212, when the upper tank 22 is mounted on the lower tank 21, the push rod 214 pushes the elastic valve body 224 to open the first waterway coupling port 222, the water pump 7 is started to pump the cleaning water in the water containing cavity 20a into the cleaning chamber 20, when the upper tank 22 is dismounted from the lower tank 21, the elastic valve body 224 is reset under the action of the spring, and the elastic valve body 224 closes the first waterway coupling port 222 to prevent the water containing cavity 20a from leaking outwards.

In addition, in this embodiment, the top of the upper box 22 is provided with an air-permeable channel 225 communicated with the washing chamber 20, the air-permeable channel 225 is internally provided with a plurality of horizontal water baffles 226 from top to bottom in sequence, wherein two water baffles 226 adjacent to each other from top to bottom are arranged in a staggered manner, so that the air-permeable channel 225 forms a labyrinth structure, and in the spraying and washing process of the spraying device, high-temperature washing water is prevented from splashing outside the dishwasher through the air-permeable channel 225, thereby preventing the risk of scalding people.

To this embodiment, because the flourishing water cavity that the internal setting of last box has the water storage, flourishing water cavity not only can be to washing the cavity in supplying water, and, at the in-process of dishwasher work, the flourishing water cavity of last box still further has the noise effect that isolation rivers hit and wash the cavity inner wall, when being equipped with water in the flourishing water cavity very much, go up the multiple puigging of box physical stamina enough effectual formation, and the continuous decay of energy of noise propagation in aqueous medium can disappear even, therefore, the dishwasher of this embodiment, compare in prior art's dishwasher, the effect of making an uproar falls in having better syllable-dividing, can the big problem of noise in the effectual solution dishwasher working process.

In this embodiment, go up the box top and still be provided with the filler with flourishing water cavity intercommunication, before the washing, the user can take off the box, adds water to flourishing water cavity, then installs last box and carries out circular telegram work on the box down. Of course, the user can also install the upper box body which is not filled with water on the lower box body, and then add water into the water containing cavity through the water adding port. For the two operation modes, the user can select the operation modes.

It should be noted that, in this embodiment, the top wall and the peripheral wall of the upper box body are both provided with the water containing cavity, of course, the water containing cavity may also be only arranged in the top wall or the peripheral wall of the upper box body, and even when the upper box body is in a rectangular tube shape, the water containing cavity may be arranged in the peripheral wall on any side of the upper box body. Meanwhile, it should be noted that, in this embodiment, the upper tank and the lower tank are coupled via a water path, so that the cleaning water in the upper tank flows into the base through the communicating pipe and then enters the cleaning chamber. Certainly, in this embodiment, can also set up the installation cavity in the last box, through integrated into one piece in the internal division board of last box, will hold water cavity and installation cavity isolation to, install water pump and flowmeter in the installation cavity, communicating pipe will hold water cavity, water pump and flowmeter intercommunication in proper order, and the play water end and the washing cavity intercommunication of communicating pipe, this scheme can not be through the water route coupling of last box and lower box, and directly supplies water in to the washing cavity. Based on the same reason, still also can directly set up the water inlet and wash the cavity intercommunication on the flourishing water cavity of last box, the box is direct to wash the cavity and intake in the realization, and at this moment, the solenoid valve can be installed to water inlet department to, set up controlling means in the installation cavity, pass through the wire electricity with controlling means and solenoid valve and be connected, through the work of controlling means control solenoid valve, can realize that the solenoid valve opens and close the water inlet. In addition, the outer surface of the upper box body is provided with a human-computer interaction interface at the outer side of the installation cavity, and a human-computer interaction control panel is arranged in the installation cavity at the inner side of the human-computer interaction interface, so that the interactive operation between a user and the dish washing machine is realized.

In addition, it should also be pointed out that current dish washer generally all need advance water to the washing cavity many times, and need heat the temperature of washing in the cavity to about 70 ℃ after intaking at every turn, and in this embodiment, because the flourishing water cavity that has the water storage in the upper box, dish washer is spraying abluent in-process, the washing cavity can be to flourishing water cavity conduction heat, thereby realize the temperature rising of flourishing water intracavity, greatly reduced the energy consumption of dish washer, therefore, compare in current dish washer, the dish washer of this embodiment is more power-saving, more energy-conserving. Of course, the dishwasher of the embodiment can also be provided with a heating device which is specially used for heating the washing water in the water containing cavity so as to reduce the waiting time of washing.

It should be noted that the above structural changes of the present embodiment can also be applied to other embodiments of the present invention.

Example three:

as shown in fig. 7 and 8, the structure of the third embodiment of the present invention is schematically illustrated. The present embodiment is different from the above embodiments in that: in this embodiment, the upper case 22 is in a cover shape, the upper case 22 is provided with a handle 227 for facilitating the handling of the upper case 22, and a positioning structure is further provided between the upper case 22 and the lower case 21 to facilitate the positioning and installation of the upper case 22 and the lower case 21. The positioning structure includes a positioning notch 228 disposed at the lower end of the upper case 22 and a positioning protrusion 218 disposed at the top of the lower case 21, wherein a man-machine interface 219 is disposed on an outer side surface of the positioning protrusion 218.

Meanwhile, in this embodiment, a non-stick coating 229 is disposed on the inner wall surface of the upper case 22, and the non-stick coating 229 can prevent oil stains and dirt from adhering to the inner surface of the upper case 22 during the dish washing process.

For this embodiment, the inner surface of the upper box body has a non-stick coating, and oil stains and dirt cannot be attached to the upper box body in the cleaning process, so that secondary pollution to tableware is caused. Moreover, in the embodiment, the upper box body is positioned and installed on the lower box body through the positioning structure, so that the installation is more convenient. Of course, the positioning structure is not limited to the solution disclosed in this embodiment, and the positioning notch and the positioning protrusion may be matched with each other, or the positioning structure may also be a matching structure of a positioning hole and a positioning column, where one of the upper box and the lower box is provided with the positioning hole, and the other needs to be provided with the corresponding positioning column. In addition, for this embodiment, the upper box has a function of isolating noise, and therefore, in order to further improve the effect of sound insulation, a sound insulation coating layer may be provided on the inner wall surface of the upper box or a sound insulation layer may be provided in the upper box, so as to further achieve the effects of sound insulation and noise reduction.

It will be appreciated by those skilled in the art that the present invention includes, but is not limited to, those illustrated in the drawings and described in the detailed description above. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. The utility model provides a low-cost dish washer, includes base and the box of being connected with the base, have the washing cavity in the box, spray set is installed to the bottom of washing cavity, and installs the circulation system who communicates with spray set and the drainage system who is used for the waste water of discharging in the base, its characterized in that: the box is including having upper end open-ended lower box and having lower extreme open-ended last box, lower box links into an integrated entity with the base, it is the cover form to go up the box, and detachable installs in the upper end opening part of lower box and with lower box sealing connection, wherein, the washing cavity surrounds with the inner chamber of last box by the inner chamber of lower box and forms, just the height that the upper box exposes in lower box is H1, the total height of dish washer is H, wherein, H1H is 0.3 ~ 0.7.

2. A low cost dishwasher as claimed in claim 1 wherein: the upper box body is internally provided with a water containing cavity for storing water, and the water containing cavity can supply water to the cleaning cavity.

3. A low cost dishwasher according to claim 2, wherein: the water containing cavity is positioned on the top wall and/or in the peripheral wall of the upper box body;

or the top of the upper box body is provided with a water filling port communicated with the water containing cavity.

4. A low cost dishwasher according to claim 2, wherein: go up the bottom half and be provided with the first water route coupling mouth with flourishing water cavity intercommunication, the top of box is provided with the second water route coupling mouth with the coupling mouth water route coupling of first water route down, second water route coupling mouth passes through communicating pipe intercommunication with the washing cavity.

5. A low cost dishwasher according to claim 2, wherein: the upper box body is also internally provided with an installation cavity, and the water containing cavity is isolated from the installation cavity through an isolation plate.

6. A low cost dishwasher according to claim 5, wherein: a water pump and a flowmeter are arranged in the mounting cavity, the water containing cavity, the water pump and the flowmeter are sequentially communicated through a communicating pipe, and the water outlet end of the communicating pipe is communicated with the cleaning chamber;

or the upper box body is provided with a water inlet which is used for communicating the water containing cavity with the cleaning cavity, the water inlet is provided with an electromagnetic valve which is used for controlling the opening and closing of the water inlet, a control device is arranged in the installation cavity, and the control device is electrically connected with the electromagnetic valve through a lead;

or, the installation cavity is positioned at the outer side of the installation cavity, the outer surface of the upper box body is provided with a human-computer interaction interface, and a human-computer interaction control panel is installed in the installation cavity at the inner side of the human-computer interaction interface.

7. A low cost dishwasher as claimed in claim 1 wherein: a sealing ring is arranged between the upper box body and the lower box body;

or one of the top of the lower box body and the bottom of the upper box body is provided with a water sealing groove, and the other one is provided with a water sealing rib inserted into the water sealing groove, wherein the water sealing groove and the water sealing rib are matched to form the sealing connection between the upper box body and the lower box body;

or the bottom of the upper box body is provided with a downward extending annular water retaining rib, and when the upper box body is arranged in the lower box body, the annular water retaining rib extends into the cleaning chamber from the opening of the lower box body;

or the top of the lower box body is provided with a supporting step, and the upper box body is arranged on the supporting step in a lap-joint mode.

8. A low cost dishwasher as claimed in claim 1 wherein: the top of the upper box body is provided with a ventilation channel communicated with the cleaning chamber, a plurality of transverse water baffles are sequentially arranged in the ventilation channel from top to bottom, wherein two water baffles which are adjacent up and down are arranged in a staggered manner, so that the ventilation channel forms a labyrinth structure;

or the surface of the inner wall of the upper box body is provided with a non-stick coating or a sound insulation coating;

or the inner surface of the top wall of the upper box body is of a dome structure;

or the upper box body is made of transparent materials;

or a lock catch structure is arranged between the upper box body and the lower box body, and the upper box body is fixed on the lower box body through the lock catch structure in the working process of the dish washing machine.

9. A low cost dishwasher as claimed in claim 1 wherein: and a positioning structure for positioning and mounting is arranged between the upper box body and the lower box body.

10. A low cost dishwasher according to claim 9, wherein: the positioning structure comprises a positioning notch and a positioning bulge inserted into the positioning notch, one of the upper box body and the lower box body is provided with the positioning notch, and the other one is provided with the corresponding positioning bulge;

or the positioning structure is a positioning hole and a positioning column inserted into the positioning hole, one of the upper box body and the lower box body is provided with the positioning hole, and the other one is provided with the corresponding positioning column.

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