CN211749443U - Dish washing machine - Google Patents

Abstract

The utility model discloses a dish washing machine, including washing chamber, water tank and forced exhaust subassembly, the forced exhaust subassembly includes the fan, reaches the casing that forms negative pressure zone and installing zone, the fan install in the installing zone, the fan has air intake and air outlet, the air intake orientation negative pressure zone, negative pressure zone passes through the air inlet intercommunication the washing chamber, the installing zone is equipped with the installation the gas outlet of air outlet, the gas outlet intercommunication the water tank, the gas outlet is higher than the maximum water level of water tank. The utility model discloses a dish washer, exhaust high temperature steam directly switches on to the water tank, because steam cooling's distilled water is cleaner, consequently can not cause the pollution in discharging into the water tank, in order to prevent that the water in the water tank from flowing backward to strong exhaust subassembly, locate the gas outlet of casing more than the water tank maximum water level, set up the separator between air inlet and the air intake, this separator blocks to spray the liquid stream and gets into in the casing.

Description

Dish washing machine

Technical Field

The utility model relates to a household electrical appliances, concretely relates to dish washer.

Background

The dish-washing machine is a device for automatically cleaning tableware such as dishes, chopsticks, plates, dishes, knives and forks, the full-automatic dish-washing machine on the market can be divided into two types of household and commercial use, the household full-automatic dish-washing machine is only suitable for families and mainly comprises a cabinet type, a table type, a water tank integrated type and an integrated type, and the commercial dish-washing machine can be divided into five types of cabinet type, cover type, basket transmission type, belt transmission type and ultrasonic wave according to the structure, so that the labor intensity is reduced for cooking personnel in restaurants, hotels and canteens of institutions of organs, the working efficiency is improved, and the cleanness and the sanitation are;

in the course of the dish washer work, because high temperature washs, will produce a large amount of steam, current dish washer adopts the natural draft steam port to discharge, but exhaust efficiency is not high, easily causes the dish washer inner chamber release slower for after opening the door and closing the door again in the cleaning process, the door seal area has water to spill over. The certain user experience of steam influence that the in-process shop front of opening the door simultaneously met, in order to improve dish washer inner chamber exhaust efficiency, balanced inside and outside atmospheric pressure, the strong exhaust apparatus of fan has been shown to have utilized now, current dish washer will be strong exhaust apparatus direct mount on the door plant, the combustion gas directly spouts to the user, the exhaust in-process, the water that the condensation steam formed can't be collected, these water can drop on the mesa in kitchen along the door plant, serious influence user's use impression, and in the twinkling of an eye of closing the door, because the interior external atmospheric pressure of washing chamber is inconsistent, washing intracavity temperature is high and pressure is great, the residual water in the strong exhaust apparatus can spout, if the temperature is too high, can also scald user's serious risk.

Disclosure of Invention

The purpose of the invention is as follows: an object of the utility model is to prior art not enough, a dish washer is provided, through the inside steam of strong exhaust subassembly quick exhaust washing chamber, and guide produced water to the water tank in the steam condensation process, reduce the external drain pipe of unnecessary, the dish washer wholeness is good, and the water of steam condensation is the distilled water, can not pollute the washing water in the water tank, the high temperature steam of strong exhaust subassembly inside with the washing chamber is exhausted futilely, avoid the blowout of a large amount of steam of in-process of switch door, influence user's use impression.

The technical scheme is as follows: a dish washer, including washing chamber, water tank and forced exhaust subassembly, the forced exhaust subassembly includes the fan, reaches the casing that forms negative pressure zone and installing zone, the fan install in the installing zone, the fan has air intake and air outlet, the air intake orientation negative pressure zone, negative pressure zone passes through the air inlet intercommunication the washing chamber, the installing zone is equipped with the installation the gas outlet of air outlet, the gas outlet intercommunication the water tank, the gas outlet is higher than the maximum water level of water tank.

The water tank is longitudinally arranged on the side wall of the washing cavity, the top end of the water tank is provided with a transverse extending part which transversely extends towards the direction of the washing cavity, the transverse extending part is provided with a connecting cavity communicated with the water tank, and the air outlet of the strong exhaust component is communicated with the connecting cavity.

The horizontal extension portion is further provided with a mounting plate mounted on the top surface of the washing cavity, a cover body is arranged on the mounting plate, and the mounting plate and the cover body form a shell of the strong exhaust assembly.

The strong exhaust component is arranged on the top surface of the washing cavity, the bottom wall of the shell is provided with the air inlet, the fan is arranged on the top wall of the shell, and the negative pressure area is located below the mounting area.

The shell is internally provided with an air guide channel communicated with the air outlet and the water tank, the air guide channel is longitudinally arranged, and the top surface of the water tank is provided with an air inlet communicated with the air guide channel.

The fan is provided with an impeller, and a rotating shaft of the impeller is vertically arranged.

The diapire of casing has the inclination, the air inlet is seted up in the lowest of diapire.

The washing chamber has the injection liquid stream, the injection liquid stream certainly the air inlet sprays extremely the air intake, still be equipped with in the strong exhaust subassembly and be located the air inlet with the separator between the air intake, the separator shelters from the injection liquid stream, just the separator with the inlet channel of baffling has between the casing.

The partition piece comprises a plurality of blocking plates arranged on the inner wall of the negative pressure zone of the air guide cavity, the blocking plates are arranged in a staggered mode to form the air inlet channel, and the projection of the blocking plates on the plane perpendicular to the jet liquid flow shields the jet liquid flow.

The negative pressure zone of casing has certainly the horizontal step face that extends of installing zone, the air inlet set up in step face below, the separator certainly step face vertical extension extremely in the negative pressure zone, the extension end suspension of separator is in the negative pressure zone, the extension end of separator with the diapire of casing forms inlet channel.

Has the advantages that: the utility model discloses a dish washing machine, be provided with the strong exhaust subassembly that communicates washing chamber and water tank, the fan in this strong exhaust subassembly forms local negative pressure in the casing inside, make the gas in the washing chamber be inhaled the air inlet, then discharge through the air outlet, exhaust high temperature steam directly switches on to the water tank, such design avoids increasing the aqueduct on the strong exhaust subassembly, because steam-cooled distilled water is cleaner, consequently, discharge and can not cause the pollution in the water tank, in order to prevent that the water in the water tank from flowing backward to the strong exhaust subassembly, locate the gas outlet of casing above the water tank maximum water level;

the washing chamber is relatively complex in external structure and not beneficial to the arrangement of the shell of the strong exhaust component, in order to increase the integrity of the strong exhaust component and the convenience of later maintenance, the water tank of the dishwasher is considered to be an integrally detachable component, the strong exhaust component can be arranged in the water tank, the problems of later maintenance and replacement of the strong exhaust component are solved, the top of the water tank is provided with a transverse extension part for bearing water vapor, the retention time of high-temperature steam in the strong exhaust component is shortened, the temperature in the water tank is lower, the condensation of the high-temperature steam is facilitated, the phenomenon that the pressure at the air outlet of the shell is too high, the air inlet flow speed at the air outlet of the shell is reduced, and the working efficiency of the strong exhaust component is improved;

the mounting plate for forming the shell is integrally connected with the transverse extending part, the cover body is arranged on the mounting plate to form the shell, and the strong exhaust component is integrally connected with the transverse extending part of the water tank, so that the water tank can be conveniently taken out at the later stage to simultaneously maintain the strong exhaust component and the water tank;

the horizontal extension part is positioned above the top surface of the washing cavity, the strong exhaust assembly is also positioned above the top surface of the washing cavity, and the water vapor moves upwards, so that the strong exhaust assembly can just suck and exhaust the high-temperature steam moving upwards, in order to ensure that the volume of a negative pressure region in the shell is larger and the negative pressure region is close to the washing cavity as much as possible, an impeller rotating shaft of the fan is vertically arranged, the fan is integrally arranged on the top wall of the shell, an air guide channel between an air outlet of the shell and the water tank is vertically arranged, the air outlet is ensured to be higher than the highest water level of the water tank, the situation that water injected into the water tank is higher than the highest water level, the water can overflow into the strong exhaust assembly through the air outlet of the shell, the bottom wall of the shell inclines towards the;

the spray arm of the washing cavity in the work can spray liquid flow, the sprayed liquid flow can be sprayed to the air inlet from the air inlet, the sprayed liquid flow is dirty water mixed with washing liquid and food residues, bacteria in the shell can be bred when the water enters the strong exhaust assembly, therefore, a partition is arranged between the air inlet and the air inlet, a baffled air inlet channel is arranged between the partition and the shell, and the water can be blocked by a baffled structure when passing through, so that the partition can block the sprayed liquid flow from entering the shell and can enable high-temperature steam to pass through the shell;

the partition is formed by arranging a plurality of partition plates which are arranged in a staggered manner in the air inlet channel, the projections of the partition plates on the plane vertical to the jet flow shield the jet flow, but the staggered parts of the partition plates can be used for gas with lower density to pass through, so that the effects of water resistance and no gas resistance are achieved;

the extension tail end of the partition is suspended in the negative pressure area, and due to the design, the condensate water in the shell can be prevented from being blocked by the partition when flowing back along the inclined bottom wall of the shell, so that the distilled water cannot be prevented from flowing out of the shell when the partition blocks the jet flow into the shell.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is an exploded top view of the present invention;

FIG. 3 is a sectional view of the structure of the present invention;

FIG. 4 is a schematic view of the structure of the water tank of the present invention;

fig. 5 is a schematic view of the internal structure of the housing of the present invention.

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

As shown in fig. 1 to 5, the dishwasher of the present invention includes a washing chamber 100, a water tank 200 and a forced air exhaust assembly 300, the forced air exhaust assembly 300 includes a blower 310 and a housing 320 forming a negative pressure region and a mounting region, the blower 310 uses a centrifugal fan, the blower 310 is mounted in the mounting region, the blower 310 has an air inlet 311 and an air outlet 312, the air inlet 311 faces the negative pressure region, the negative pressure region is communicated with the washing chamber 100 through an air inlet 321, the mounting region is provided with an air outlet 322 for mounting the air outlet, the air outlet 322 is communicated with the water tank 200, the air outlet 322 is higher than the highest water level of the water tank 200, by providing the forced air exhaust assembly for communicating the washing chamber 100 and the water tank 200, the high temperature moist hot steam in the washing chamber 100 is evacuated, the blower 310 in the forced air exhaust assembly 300 forms a local negative pressure inside the housing 320, so that the steam in the washing chamber 100 is sucked into the, then the high-temperature steam is discharged through the air outlet 322 of the shell 320, the discharged high-temperature steam is directly conducted into the water tank 200, as the steam is directly and forcibly discharged into the water tank 200, one part of the steam is condensed into water drops and stays in the water tank 200, and the other part of the steam which is not condensed is directly discharged out of the dishwasher through the water filling port 201 of the water tank 200, the design avoids the problem that a water guide pipe is added on the forced air discharging component 300, as the distance along the water discharging channel is short, the blockage is not easy to occur, as the remained distilled water cooled by the steam is cleaner, the distilled water discharged into the water tank 200 can not cause the pollution of the water tank 200, in order to prevent the water in the water tank 200 from flowing back into the forced air discharging component 300, the air outlet 322 of the shell 320;

the water tank 200 is longitudinally arranged on the side wall of the washing cavity 100, the top end of the water tank 200 is provided with a transverse extension part 210 which transversely extends towards the direction of the washing cavity 100, the transverse extension part 210 is provided with a connecting cavity 211 communicated with the water tank 200, the top of the connecting cavity 211 is also provided with a water filling port 201, the part of the washing cavity 100 close to the connecting cavity 211 is provided with a groove, the connecting cavity 211 is embedded and arranged in the groove, an air outlet 322 of the strong exhaust component 300 is communicated with the connecting cavity 211, as the external structure of the washing cavity 100 is more complex, the arrangement of the shell 320 of the strong exhaust component 300 is not beneficial, in order to increase the integrity of the strong exhaust component 300 and the convenience of later maintenance, the water tank 200 of the dishwasher is an integral detachable component, the strong exhaust component 300 can be arranged on the water tank 200, the problems of later maintenance and replacement of the strong exhaust component 300 are solved, the transverse extension part 210 for bearing water vapor, the ventilation passageway in the shell 320 is shortened, meanwhile, the retention time of high-temperature steam in the strong exhaust component 300 is shortened, the temperature in the water tank 200 is lower, the condensation of the high-temperature steam is facilitated, the steam is rapidly condensed after entering the water tank 200, the pressure at the air outlet 322 of the shell 320 and the pressure in the shell 320 are prevented from being too high, the air inlet flow speed at the air inlet 321 of the shell 320 is improved, and the working efficiency of the strong exhaust component 300 is integrally improved;

the horizontal extension part 210 is also provided with a mounting plate 220 mounted on the top surface of the washing chamber 100, the mounting plate 220 is provided with a cover body 230, the mounting plate 220 and the cover body 230 form a shell 320 of the strong exhaust assembly 300, a sealing gasket 221 is arranged between the mounting plate 220 and the cover body 230, the mounting plate 220 is provided with an edge 222 matched with the end surface edge of the cover body 230, the sealing gasket 221 is arranged on the edge 222, not only the sealing performance of the shell 320 is improved, but also the mounting plate 220 and the cover body 230 are convenient to disassemble and assemble, the mounting plate 220 forming the shell 320 is integrally connected with the horizontal extension part 210, the mounting plate 220 is provided with the cover body 230 forming the shell 320, a mounting area for placing the fan 310 is arranged at the top of the cover body 230, the mounting area and the lower area of the fan 310 are formed, the strong exhaust assembly 300 is integrally connected with the horizontal extension part 210 of the water tank, the number of parts of the strong exhaust component 300 is reduced, and the disassembly and the assembly are convenient;

the strong exhaust assembly 300 is installed on the top surface of the washing chamber 100, the bottom wall of the casing 320 is provided with an air inlet 321, the fan 310 is installed on the top wall of the casing 320, the negative pressure region is positioned below the installation region, an air guide channel 240 communicating the air outlet 322 with the water tank 200 is further arranged in the casing 320, the air guide channel 240 is longitudinally arranged, the top surface of the water tank 200 is provided with an air inlet communicating with the air guide channel 240, the air guide channel 240 is formed above the air inlet of the water tank 200, the air guide channel 240 is arranged in alignment with the air outlet 322 of the casing 320, the fan 310 is provided with an impeller, a rotating shaft of the impeller is vertically arranged, the thickness of the casing 320 can be reduced by the design structure, under the condition that too much inner space of the casing 320 is not occupied.

The bottom wall of the shell 320 has an inclination, the air inlet 321 is arranged at the lowest position of the bottom wall, the transverse extending part 210 is arranged above the top surface of the washing cavity 100, the forced air exhausting assembly 300 is also arranged above the top surface of the washing cavity 100, the water vapor moves upwards due to high temperature and density, the opening 101 communicated with the air inlet 321 of the shell 320 is arranged at the top of the washing cavity 100, the design ensures that the forced air exhausting assembly 300 just can suck the high-temperature steam moving upwards and discharge the high-temperature steam into the water tank 200, in order to ensure that the volume of the negative pressure area inside the shell 320 is larger and the negative pressure area is close to the washing cavity 100 as much as possible, the excessive loss of the power of the fan 310 is avoided, in order to further increase the air tightness between the air inlet 321 of the shell 320 and the opening 101 at the top of the washing cavity 100, the sealing element 102 is arranged between the air inlet 321 of the shell 320, the impeller rotating shaft of the fan 310 is vertically arranged, the fan 310 is integrally installed on the top wall of the shell 320, the lowest position of the impeller can be enabled to have a certain water-resisting interval from the bottom wall of the shell 320, accumulated water on the bottom wall of the shell 320 is prevented from being drawn into the fan 310 by the impeller, an air guide channel 240 between an air outlet 322 of the shell 320 and the water tank 200 is vertically arranged, the air guide channel 240 protrudes out of the upper surface of the connecting cavity 211, the upper port of the air guide channel 240 is higher than the port of the water filling port 201, the air outlet 322 is guaranteed to be higher than the highest water level of the water tank 200, the situation that the water in the water tank 200 is higher than the highest water level, the water can overflow into the strong exhaust assembly 300 through the air outlet 322 of the shell 320 is avoided, the bottom wall of the shell;

the washing chamber 100 has a jet flow jetted from the inlet 321 to the inlet 311, and a partition member positioned between the inlet 321 and the inlet 311 is further provided in the strong exhaust assembly 300, the partition member blocking the jet flow, and a baffling air inlet channel is arranged between the isolation piece and the shell 320, the spray arm inside the washing cavity 100 in operation can spray liquid flow, the sprayed liquid flow can be sprayed from the air inlet 321 to the air inlet 311, and the jet stream is dirty water, which may be contaminated with cleaning solution and food debris, entering the strong exhaust assembly 300 may cause the growth of bacteria inside the housing 320, therefore, a partition is arranged between the air inlet 321 and the air inlet 311, a baffled air inlet channel is arranged between the partition and the shell 320, the water is blocked by the baffling structure as it passes through, so that the partition both blocks the jet stream from entering the housing 320 and allows the high temperature steam to pass into the housing 320;

the partition comprises a plurality of partition plates 400 arranged on the inner wall of the negative pressure area of the air guide cavity, the partition plates 400 are arranged in a staggered mode to form an air inlet channel, the projection of the partition plates 400 on the plane perpendicular to the jet flow shields the jet flow, preferably, the partition plates 400 are arranged on the inner wall of the cover body 230, the partition is formed by arranging the partition plates 400 in the staggered mode in the air inlet channel, the projection of the partition plates 400 on the plane perpendicular to the jet flow shields the jet flow, but the staggered parts of the partition plates 400 can be used for gas with smaller density to pass through, and the effects of water blocking and air blocking are achieved; however, the large residues may be caught by the staggered gaps between the blocking plates 400, so that the grille 330 is disposed at the position of the air inlet 321, larger residues are intercepted outside the air inlet 321, and the risk of blocking the blocking plates 400 is reduced.

The negative pressure zone of the casing 320 is provided with a step surface extending transversely from the mounting zone, the air inlet 321 is arranged below the step surface, the design of the step surface enables the air inlet 321 not to be over against the top opening 101 of the washing cavity 100, further prevents the jet liquid flow from entering the fan 310, the isolating piece vertically extends from the step surface to the negative pressure zone, the extending tail end of the isolating piece 400 is suspended in the negative pressure zone, the extending tail end of the isolating piece 400 and the bottom wall of the casing 320 form an air inlet channel, and the extending tail end of the isolating piece is suspended in the negative pressure zone.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A dishwasher, characterized by: including washing chamber, water tank and forced exhaust subassembly, the forced exhaust subassembly includes the fan, reaches the casing that forms negative pressure region and installing zone, the fan install in the installing zone, the fan has air intake and air outlet, the air intake orientation the negative pressure region, the negative pressure region passes through the air inlet intercommunication the washing chamber, the installing zone is equipped with the installation the gas outlet of air outlet, the gas outlet intercommunication the water tank, the gas outlet is higher than the highest water level of water tank.

2. The dishwasher of claim 1, wherein: the water tank is longitudinally arranged on the side wall of the washing cavity, the top end of the water tank is provided with a transverse extending part which transversely extends towards the direction of the washing cavity, the transverse extending part is provided with a connecting cavity communicated with the water tank, and the air outlet of the strong exhaust component is communicated with the connecting cavity.

3. The dishwasher of claim 2, wherein: the horizontal extension portion is further provided with a mounting plate mounted on the top surface of the washing cavity, a cover body is arranged on the mounting plate, and the mounting plate and the cover body form a shell of the strong exhaust assembly.

4. The dishwasher of claim 1, wherein: the strong exhaust component is arranged on the top surface of the washing cavity, the bottom wall of the shell is provided with the air inlet, the fan is arranged on the top wall of the shell, and the negative pressure area is located below the mounting area.

5. The dishwasher of claim 4, wherein: the shell is internally provided with an air guide channel communicated with the air outlet and the water tank, the air guide channel is longitudinally arranged, and the top surface of the water tank is provided with an air inlet communicated with the air guide channel.

6. The dishwasher of claim 4, wherein: the fan is provided with an impeller, and a rotating shaft of the impeller is vertically arranged.

7. The dishwasher of claim 4, wherein: the diapire of casing has the inclination, the air inlet is seted up in the lowest of diapire.

8. The dishwasher according to any one of claims 1 to 7, wherein: the washing chamber has the injection liquid stream, the injection liquid stream certainly the air inlet sprays extremely the air intake, still be equipped with in the strong exhaust subassembly and be located the air inlet with the separator between the air intake, the separator shelters from the injection liquid stream, just the separator with the inlet channel of baffling has between the casing.

9. The dishwasher of claim 8, wherein: the partition piece comprises a plurality of blocking plates arranged on the inner wall of the negative pressure zone of the air guide cavity, the blocking plates are arranged in a staggered mode to form the air inlet channel, and the projection of the blocking plates on the plane perpendicular to the jet liquid flow shields the jet liquid flow.

10. The dishwasher of claim 8, wherein: the negative pressure zone of casing has certainly the horizontal step face that extends of installing zone, the air inlet set up in step face below, the separator certainly step face vertical extension extremely in the negative pressure zone, the extension end suspension of separator is in the negative pressure zone, the extension end of separator with the diapire of casing forms inlet channel.

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