CN218009658U - Dish washing machine and drying device thereof - Google Patents

Abstract

The application belongs to the technical field of dish washing machines, and provides a drying device which comprises an air duct and a fan arranged in the air duct, wherein the air duct is communicated with the inside of a dish washing machine cavity; the air duct is provided with a closure rib and a return pipe which are used for preventing water from flowing to the fan, and the closure rib extends to the pipe orifice of the return pipe; the return pipe extends outwards from the air duct, and the extending end of the return pipe is communicated with the inside of the cavity of the dish-washing machine. The application also provides a dish washing machine with the drying device. The technical problem that a fan is easily damaged by condensed water existing in the drying device on a dish washing machine in the prior art is solved.

Description

Dish washing machine and drying device thereof

Technical Field

The application belongs to the technical field of dish-washing machines, and particularly relates to a dish-washing machine and a drying device thereof.

Background

A drying device is generally arranged on a common household dishwasher and generally comprises an air duct, a fan and a heater, the air duct is communicated with an inner container, and the fan and the heater are arranged in the air duct. The fan generates air flow, and the air flow is heated by the heater, so that the air flow has heat, and the heat is output from the inner container and used for drying the tableware.

In practical application, in the washing process of the dishwasher, hot air or steam in the inner container can enter the drying device which is not started along the connected air channel, so that a cold-hot interaction part is formed inside the air channel of the drying device, and condensed water is easily generated. These comdenstion water will flow downwards along the inner wall in wind channel, cause the influence to the fan that sets up in the wind channel easily, lead to the fan to burn out even.

Therefore, before the drying device on the dishwasher in the prior art is not started, the parts of the drying device have the risk of wading, and the drying device is a technical problem which is urgently needed to be solved by manufacturers of the existing dishwashers.

Disclosure of Invention

An object of the embodiment of the application is to provide a dish washer and a drying device thereof, so as to solve the technical problem that a fan is easily damaged by condensed water existing in the drying device on the dish washer in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: providing a drying device, which comprises an air duct and a fan arranged in the air duct, wherein the air duct is communicated with the inside of a cavity of a dish-washing machine; the air duct is provided with a flow-stopping rib and a return pipe which are used for preventing water from flowing to the fan, and the flow-stopping rib extends to the pipe orifice of the return pipe; the return pipe extends outwards from the air duct, and the extending end of the return pipe is communicated with the inside of the cavity of the dish-washing machine.

The application provides a drying device's beneficial effect lies in, compares with prior art, sets up the muscle that dams in drying device's wind channel to the comdenstion water interception that will flow down along the wind channel, and on the direction arrived the back flow, let the comdenstion water can prevent effectively that the rivers from flowing to the fan in the cavity of back flow backward flow dish washer, get rid of the risk of wading of fan.

The structure of the intercepting rib is improved, the intercepting rib is obliquely arranged in the air duct, and the pipe orifice of the return pipe is positioned at the lower part of the intercepting rib. Therefore, the intercepting ribs are inclined, so that the flow speed of water liquid is accelerated, the water liquid can flow to the pipe orifice of the backflow pipe along the intercepting ribs after being intercepted by the intercepting ribs, and the flow guide effect is effectively improved in the cavity of the backflow dish washing machine.

Optionally, the cut-off rib surrounds the inner wall of the air duct, so that the cut-off rib does not block the air flow in the air duct. When the drying device is started, the airflow generated by the fan can normally flow through and is output to the cavity of the dish-washing machine.

Optionally, have a plurality of protruding muscle that are used for conflicting with the cavity inside of dish washer on the periphery of back flow, a plurality of protruding muscle ring cloth in the periphery of back flow, and then improve fixed effect.

The improved structure of the air duct is characterized in that the air duct comprises an upper channel, a lower channel and a backflow channel for intercepting condensed water, the upper channel is used for being arranged on the side wall of the inner container of the dishwasher, the fan is arranged on the lower channel, and two ends of the backflow channel are detachably connected between the upper channel and the lower channel respectively. Therefore, the whole drying device does not need to be disassembled for cleaning or maintenance. Make return channel can dismantle alone and carry out ponding and clear away or the maintenance, improve clean convenience effectively to reduce the maintenance cost.

Optionally, the drying device further comprises a heater, and the heater is arranged in the upper channel; the lower channel is for being disposed within a base of a dishwasher. Thereby, the application on the embedded dishwasher is facilitated. Let drying device's lower passageway stretch into the inside of base to can extend to on the antetheca of base, utilize the air intake of seting up on the base antetheca to communicate with the external world. Because when the dish washer is embedded in the groove body of the cabinet, the front wall of the dish washer base is positioned at the opening of the groove body of the cabinet, the air inlet formed on the front wall of the base can be communicated with the outside of the cabinet. When the drying device operates, air outside the cabinet can be extracted to generate drying air flow, the temperature of the drying air flow can reach the originally set drying temperature, and the drying effect on tableware in the cavity of the dish washing machine is effectively ensured. In addition, because the upper channel is used for communicating with the inside of the cavity of the dish washing machine, the heater is arranged in the upper channel, and can heat the air pumped into the air channel and then output the air to the cavity of the dish washing machine in time, so that the heat loss is effectively reduced.

Optionally, the return passage is a hollow pipe body, and the closure rib and the return pipe are integrally formed on the return passage. Therefore, the backflow channel is of a complete hollow pipe body structure, the water leakage position is effectively reduced, and the sealing performance is further improved.

Optionally, the backflow channel is vertically arranged, the upper end of the backflow channel is connected with the upper channel, and the lower end of the backflow channel is connected with the lower channel; the upper end and the lower end of the backflow channel are respectively provided with a buckling hole, and the connecting ends of the upper channel and the lower channel are respectively provided with a buckling block buckled with the buckling hole. Simple structure, easy installation and disassembly.

Optionally, the upper end of the backflow channel is larger than the connecting end of the upper channel, so that the connecting end of the upper channel can be inserted into the upper end of the backflow channel; and/or the connecting end of the lower channel is provided with a cannula extending upwards, and the nozzle of the cannula is smaller than the lower end of the backflow channel, so that the cannula can be inserted into the lower end of the backflow channel. Therefore, the connecting ends of the upper channel and the lower channel can be inserted into the interior of the backflow channel, and the sealing performance of the connecting parts at the upper end and the lower end of the backflow channel is effectively ensured. On the one hand, the water liquid can be ensured to flow into the return channel along the inner wall of the upper channel, and the leakage of the water liquid from the connecting part is avoided. On the other hand, when the airflow generated by the fan enters the backflow channel from the lower channel, the airflow is prevented from running off from the connecting part.

The application also provides a dish washing machine, including inner bag, base and drying device, the inside of inner bag forms the cavity, perhaps the inner bag with the base is connected from top to bottom and is constituted the cavity, the backward flow hole has been seted up on the lateral wall of cavity, last back flow of drying device connect in the backward flow hole.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a dishwasher provided in an embodiment of the present application;

FIG. 2 is a schematic view of a dishwasher base with a drying device according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a dishwasher base according to an embodiment of the present application;

FIG. 4 isbase:Sub>A partial cross-sectional structural view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of the portion B of FIG. 4;

FIG. 6 is a cross-sectional structural view of a return channel provided in an embodiment of the present application;

FIG. 7 is a top view of the return channel according to an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of an explosive structure of a duct according to an embodiment of the present disclosure;

FIG. 9 is a schematic perspective view of a backflow passage provided in an embodiment of the present application;

fig. 10 is a schematic view of an assembly structure of the reflow channel and the base according to an embodiment of the present disclosure.

Wherein, in the figures, the various reference numbers:

100-inner container;

200-a base; 201-top disk; 202-a return orifice; 203-an air inlet; 204-mounting the cylinder; 205-fixed columns; 206-fixing holes;

300-a drying device;

400-cavity;

1-an air duct; 11-upper channel; 12-a lower channel; 121-a cannula; 122-a convex ring; 13-a return channel; 131-a buttonhole; 132-a step; 133-engaging lugs; 134-mounting holes; 14-a fastening block;

2-a fan;

3-intercepting ribs;

4-a return pipe; 41-convex ribs; 42-a sealing ring;

5-a heater.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The dishwasher and the drying apparatus thereof provided in the embodiments of the present application will now be described in detail. Referring to fig. 1, 2 and 3, a dishwasher includes an inner container 100, a base 200 and a drying device 300 of the present application, wherein the inner container 100 is disposed on the base 200.

In this embodiment, the inner container 100 and the base 200 are connected up and down to form a chamber 400 of the dishwasher, and the chamber 400 is a washing chamber of the dishwasher and is used for loading dishes. In other embodiments, the cavity 400 may be formed inside the inner container 100.

The drying device 300 comprises an air duct 1 and a fan 2 arranged in the air duct 1, wherein the air duct 1 is communicated with the inside of the cavity 400 of the dishwasher.

Referring to fig. 4, 5 and 6, the air duct 1 is provided with a flow stopping rib 3 and a return pipe 4 for stopping water from flowing to the fan 2, and the flow stopping rib 3 extends to the nozzle of the return pipe 4.

In this embodiment, the intercepting rib 3 may be disposed on a section of the air duct 1 between a communication position of the air duct 1 and the cavity 400 to a set position of the fan 2, so that the intercepting rib 3 can intercept water before the water flows to the fan 2.

The return pipe 4 extends outwards from the air duct 1, and the extending end of the return pipe 4 is communicated with the inside of the cavity 400 of the dish-washing machine.

Compared with the prior art, the drying device 300 provided by the embodiment of the application is provided with the intercepting rib 3 in the air duct 1 of the drying device 300 so as to intercept the condensed water flowing down along the air duct 1 and guide the condensed water to the return pipe 4, so that the condensed water can flow back to the cavity 400 of the dish washing machine through the return pipe 4, the condensed water is effectively prevented from flowing to the fan 2, and the wading risk of the fan 2 is eliminated.

In the embodiment of the present application, please refer to fig. 2, a top tray 201 connected to the bottom of the inner container 100 is disposed on the top of the base 200, a backflow hole 202 communicated to the inside of the top tray 201 is disposed on the sidewall of the base 200, and the backflow pipe 4 of the drying device 300 is connected to the backflow hole 202 of the base 200.

In other embodiments (not shown), the inner container 100 is a complete frame structure, and the inner container is the dishwasher chamber 400. The top of the base 200 has an opening, and the inner container 100 is disposed on the top opening of the base 200. The side wall of the inner container 100 is provided with a return hole 202 which is communicated with the return pipe 4 of the drying device 300.

In the embodiment of the present application, please refer to fig. 6, the intercepting rib 3 of the drying device 300 is disposed obliquely in the air duct 1, and the nozzle of the return pipe 4 is located at the lower position of the intercepting rib 3. Let 3 slopes of muscle that dams set up, be favorable to accelerating the velocity of flow of water liquid, make water liquid by the muscle 3 interception backs that dams, can be along on the mouth of pipe that 3 flow direction back flows 4 of the muscle that dams to in cavity 400 through 4 backward flow dish washers of back flow, improve the water conservancy diversion effect effectively.

In this embodiment, as shown in fig. 6 and 7, the cut-off rib 3 is disposed around the inner wall of the air duct 1, so that the cut-off rib 3 does not block the air flow in the air duct 1. When the drying device 300 is started, the air flow generated by the fan 2 can flow through normally and is output to the cavity 400 of the dishwasher.

In addition, because the intercepting rib 3 is an annular rib structure which is convexly arranged on the inner wall of the air duct 1, one surface of the intercepting rib 3 can intercept the water liquid flowing down from the inner wall of the air duct 1 and guide the water liquid to the return pipe 4; the other side of the intercepting rib 3 can block the airflow driven by the fan 2 from flowing to the return pipe 4, and the airflow loss is effectively reduced.

In an embodiment of the present application, referring to fig. 3, 4 and 8, the air duct 1 of the drying device 300 includes an upper channel 11, a lower channel 12 and a return channel 13 for intercepting condensed water, the upper channel 11 is configured to be disposed on a sidewall of the inner container 100 of the dishwasher, the lower channel 12 may be preferably disposed in the base 200 of the dishwasher, and the fan 2 is disposed in the lower channel 12. As can be seen, in the drying device 300 of the present application, the air duct 1 is composed of three passages, including an upper passage 11 hung on the side wall of the inner container 100, a lower passage 12 disposed inside the base 200, and a return passage 13 connected between the upper passage 11 and the lower passage 12.

Thereby, application on an embedded dishwasher is facilitated. As shown in fig. 1 and 3, the lower channel 12 of the drying device 300 extends into the base 200 and can extend to the front wall of the base 200, and is communicated with the outside through the air inlet 203 formed on the front wall of the base 200. Since the front wall of the dishwasher base 200 is located at the tank opening of the cabinet when the dishwasher is embedded in the tank of the cabinet, the air inlet 203 opened on the front wall of the base 200 can communicate with the outside of the cabinet. When the drying device 300 is operated, air outside the cabinet can be extracted to generate a drying airflow, so that the temperature of the drying airflow can reach the original drying temperature, and the drying effect on the tableware in the cavity 400 of the dishwasher is effectively ensured.

Wherein, the two ends of the return channel 13 are detachably connected between the upper channel 11 and the lower channel 12, the above-mentioned cut-off rib 3 and the return pipe 4 are arranged on the return channel 13, and the return pipe 4 is connected into the cavity 400 of the dishwasher from the return channel 13. Therefore, the whole drying device 300 does not need to be detached for cleaning or maintenance, the backflow channel 13 can be detached alone for accumulated water removal or maintenance, cleaning convenience is effectively improved, and maintenance cost is reduced.

In the present embodiment, as shown in fig. 3, 4 and 8, the drying device 300 further includes a heater 5, and the heater 5 is disposed in the upper duct 11. The heater 5 may preferably employ a PTC heating element, is provided in the upper channel 11 so as to fit the inner structure of the upper channel 11, is easily fixed, and has a waterproof effect. Because the upper channel 11 is communicated with the inside of the cavity 400, the heater 5 can heat the air pumped into the air duct 1 and then output the air to the cavity 400 in time, thereby effectively reducing heat loss.

The fan 2 is disposed inside the lower channel 12, so that the fan 2 is close to the air inlet 203 on the front wall of the base 200, which is beneficial to drawing air from the air inlet 203 into the outside of the cabinet, thereby improving air inlet efficiency.

In the present embodiment, as shown in fig. 8 and 9, the return channel 13 is preferably a hollow tube, and the shut-off rib 3 and the return pipe 4 are integrally formed on the return channel 13. Therefore, the return channel 13 is a complete hollow tube structure, which effectively reduces the water leakage position and further improves the sealing performance.

As shown in fig. 6 and 7, the cut-off rib 3 is integrally formed in the air duct 1, so that the sealing performance is effectively improved. Avoid adopting the form setting of installing to wind channel 1 additional in addition, lead to the water liquid of being intercepted to flow out from the gap between 3 and the wind channel 1 inner wall of damming, make the effect inefficacy that dams.

In the embodiment of the present application, referring to fig. 4, 6 and 8, the backflow channel 13 is vertically disposed at a side portion of the dishwasher, an upper end of the backflow channel 13 is connected to a lower end of the upper channel 11 suspended on a side wall of the inner container 100, and a lower end of the backflow channel 13 is connected to the lower channel 12. The upper end and the lower end of the return channel 13 are respectively provided with a buckling hole 131, and the connecting ends of the upper channel 11 and the lower channel 12 are respectively provided with a buckling block 14 buckled with the buckling hole 131. The buckling block 14 and the buckling hole 131 are used for fastening and fixing, so that the structure is simple, and the installation and the disassembly are easy.

In the present embodiment, referring to fig. 5, fig. 6 and fig. 8, the upper end of the backflow channel 13 is larger than the connecting end of the upper channel 11, so that the connecting end of the upper channel 11 can be inserted into the upper end of the backflow channel 13.

Preferably, a step 132 is provided on an inner wall of an upper end of the return passage 13, and a lower end of the upper passage 11 abuts against the step 132.

The lower channel 12 has an upwardly extending cannula 121 at the connecting end thereof, and the orifice of the cannula 121 is disposed smaller than the lower end of the return channel 13 so that the cannula 121 can be inserted into the lower end of the return channel 13.

Therefore, the connection ends of the upper duct 11 and the lower duct 12 can be inserted into the return duct 13, and the sealing performance of the connection portion of the upper and lower ends of the return duct 13 is effectively ensured. On the one hand, the water can be ensured to flow into the return channel 13 along the inner wall of the upper channel 11, and the water is prevented from leaking out of the air channel 1 from the connecting part. On the other hand, when the air flow generated by the fan 2 enters the return channel 13 from the lower channel 12, the air flow is prevented from flowing away from the connecting part.

In this embodiment, as shown in fig. 5, an outer convex ring 122 is preferably disposed on the outer periphery of the insertion tube 121 of the lower channel 12, so that when the insertion tube 121 is inserted into the lower end of the backflow channel 13, the lower end of the backflow channel 13 can abut against the outer convex ring 122, effectively playing a role in limiting and reminding the installation in place.

In the embodiment of the present application, referring to fig. 2, 9 and 10, a mounting tube 204 is disposed on the side wall of the base 200 and located on the backflow hole 202, and the mounting tube 204 extends outward and is used for inserting the backflow pipe 4 of the drying device 300 to communicate with the backflow hole 202. Therefore, the installation cylinder 204 on the base 200 is used as the installation position of the return pipe 4 on the drying device 300, and the return pipe 4 is inserted into the installation cylinder 204 and fixed, so as to be communicated with the return hole 202 at the same time, thereby effectively ensuring the connection accuracy between the return pipe 4 and the return hole 202 and further improving the installation efficiency.

In the present embodiment, as shown in fig. 9, the outer periphery of the return pipe 4 has a plurality of ribs 41 for abutting against the inner wall of the mounting cylinder 204, and the plurality of ribs 41 are circumferentially distributed on the outer periphery of the return pipe 4, thereby improving the fixing effect.

Preferably, as shown in fig. 5, a sealing ring 42 is further sleeved on the return pipe 4, and the rib 41 fixes the sealing ring 42 in the mounting cylinder 204. On one hand, a sealing ring 42 is added on the return pipe 4, so that when the return pipe 4 is installed on the installation cylinder 204 on the base 200, the sealing ring 42 is positioned on the return hole 202, and the sealing effect is further improved. On the other hand, the rib 41 on the return pipe 4 also acts to fix the sealing ring 42, so that the sealing ring 42 is clamped in the mounting cylinder 204, effectively ensuring the fixing effect on the sealing ring 42.

In the embodiment of the present application, referring to fig. 9 and 10, the return channel 13 of the drying device 300 is further provided with a connecting lug 133, and the connecting lug 133 is provided with a mounting hole 134. In a matching manner, the sidewall of the base 200 is provided with a fixing post 205 corresponding to the position of the connecting lug 133, and the fixing post 205 is provided with a fixing hole 206, so that a fastener such as a screw is additionally installed to be fixed in a penetrating manner, thereby improving the fixing effect of the backflow channel 13.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A drying device comprises an air duct and a fan arranged in the air duct, wherein the air duct is communicated with the inside of a dishwasher cavity; the air duct is characterized in that the air duct is provided with a flow-stopping rib and a return pipe which are used for preventing water from flowing to the fan, and the flow-stopping rib extends to the pipe orifice of the return pipe; the return pipe extends outwards from the air duct, and the extending end of the return pipe is communicated with the interior of the cavity of the dish washing machine.

2. Drying apparatus according to claim 1, wherein: the intercepting rib is obliquely arranged in the air duct, and the pipe orifice of the return pipe is positioned at the lower part of the intercepting rib.

3. Drying apparatus according to claim 1, wherein: the intercepting rib is arranged around the inner wall of the air duct.

4. Drying apparatus according to claim 1, wherein: the periphery of the return pipe is provided with a plurality of convex ribs which are used for abutting against the inner part of the cavity of the dish washing machine, and the plurality of convex ribs are annularly distributed on the periphery of the return pipe.

5. The drying apparatus according to any one of claims 1 to 4, wherein: the air duct comprises an upper channel, a lower channel and a return channel for intercepting condensed water, the upper channel is used for being arranged on the side wall of the inner container of the dishwasher, the fan is arranged on the lower channel, and two ends of the return channel are detachably connected between the upper channel and the lower channel respectively.

6. Drying apparatus according to claim 5, wherein: the drying device also comprises a heater which is arranged on the upper channel; the lower channel is for being disposed within a base of a dishwasher.

7. Drying apparatus according to claim 5, wherein: the backflow channel is a hollow pipe body, and the intercepting rib and the backflow pipe are integrally formed on the backflow channel.

8. Drying apparatus according to claim 5, wherein: the return channel is vertically arranged, the upper end of the return channel is connected with the upper channel, and the lower end of the return channel is connected with the lower channel; the upper end and the lower end of the backflow channel are respectively provided with a buckling hole, and the connecting ends of the upper channel and the lower channel are respectively provided with a buckling block buckled with the buckling hole.

9. Drying apparatus according to claim 5, characterised in that: the upper end of the backflow channel is larger than the connecting end of the upper channel, so that the connecting end of the upper channel can be inserted into the upper end of the backflow channel;

and/or the connecting end of the lower channel is provided with a cannula extending upwards, and the nozzle of the cannula is smaller than the lower end of the backflow channel, so that the cannula can be inserted into the lower end of the backflow channel.

10. A dishwasher, characterized by comprising an inner container, a base and the drying device of any one of claims 1 to 9, wherein the inner container forms the cavity, or the inner container and the base are connected up and down to form the cavity, the side wall of the cavity is provided with a backflow hole, and a backflow pipe on the drying device is connected to the backflow hole.

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