CN212939623U

CN212939623U - Dish washer with water level is reminded

Info

Publication number: CN212939623U
Application number: CN202021159336.XU
Authority: CN
Inventors: 闫洪辉
Original assignee: Foshan Best Electrical Appliance Technology Co Ltd
Current assignee: Foshan Best Electrical Appliance Technology Co Ltd
Priority date: 2020-05-25
Filing date: 2020-06-19
Publication date: 2021-04-13
Anticipated expiration: 2030-06-19
Also published as: CN212939637U; CN213097747U; CN113712481A; CN212755566U; CN212939627U

Abstract

The application belongs to the technical field of dish washing machines, and provides a dish washing machine with water level reminding function, which comprises an inner container and a shell, wherein a water storage container is arranged on the inner container, an observation hole is formed in the shell, a top cover and a water adding disc are arranged at the top of the water storage container, a water inlet matched with the observation hole of the shell is formed in the top cover, and a flow guide port communicated with the water inlet is formed in the water adding disc; the water adding tray is provided with a flow guide cover, the flow guide cover is provided with a water level detection mechanism, the water level detection mechanism comprises a floater and a guide pipe, the guide pipe is a through pipe penetrating through the upper end surface and the lower end surface of the flow guide cover, the upper part of the guide pipe is sleeved with an observation hole of the shell, and the lower part of the guide pipe penetrates through a water inlet of the top cover and is inserted into the water storage container; the float is arranged in the guide pipe to move up and down and extends out of the outside of the dishwasher from the observation hole of the shell when gradually reaching the highest water storage level of the water storage container. The water level detection mechanism is simple in structure, can timely make reminding marks according to water level changes without adopting an induction element, and effectively reduces manufacturing cost.

Description

Dish washer with water level is reminded

Technical Field

The application belongs to the technical field of dish washing machines, and particularly relates to a dish washing machine with water level reminding function.

Background

With the increasing development of science and technology and the improvement of living standard, especially with the rapid development of household appliance technology, a special dish washing device is provided for the aspect of tableware cleaning. A multifunctional dish washing machine generally has the functions of spraying, drying, sterilizing and the like, a user only needs to put tableware such as bowls and chopsticks into the dish washing machine, the dish washing machine can automatically complete a series of cleaning works according to the setting of the user, the use is convenient and full-automatic, the operation of the user is effectively reduced, and therefore the dish washing machine is more and more popularized in thousands of households and is deeply loved by the majority of users.

Most of the dish-washing machines sold in the market at present are provided with two water supply modes of supplying water by tap water or storing water by a water tank. The water tank stores water and supplies water or controls the water inlet of tap water by using a water valve, and the water tank is used for cleaning tableware in the washing cavity, so that a water supply mode is selected according to the requirements of use conditions. In order to match the above-mentioned water supply method, a dishwasher of the related art is generally provided with a built-in water tank inside the dishwasher. The common built-in water tank structure is characterized in that a water tank is designed into an independent component, and the water tank and the inner container of the dish-washing machine are connected and fixed on the inner container through a corresponding connecting structure.

In order to remind a user of the water adding amount of the built-in water tank in time, a water level detection device for detecting the water level in the water tank is generally arranged, the water level detection device adopted in the prior art is an induction component capable of mutual induction triggering, for example, an induction part is arranged on a floater, a matched induction triggering part is arranged on an inner container or the water tank, commonly used induction components such as a magnet, a Hall or a reed switch and other magnetic induction elements are utilized to realize mutual induction so as to trigger a reminding signal. However, the arrangement of the magnetic induction element in the dishwasher requires a corresponding waterproof structure for protection, thereby resulting in a more complicated structure of the water level detecting apparatus. If the induction assembly breaks down, the whole water tank or the inner container needs to be replaced, so that the manufacturing and maintenance cost is high, and the market production and application are not facilitated.

Therefore, the water level detection mechanism arranged on the dishwasher with the built-in water tank needs to be perfected, and is a research problem of the current dishwasher manufacturers.

Disclosure of Invention

An object of the embodiment of the application is to provide a dish washer with water level is reminded, makes the improvement to the water level detection mechanism on the dish washer that has built-in water tank, and simple structure need not to adopt inductive element also can in time make according to the water level change and remind the sign, saves occupation space and the consumptive material that sets up inductive element, reduces manufacturing cost effectively.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the dishwasher with the water level reminding function comprises an inner container and a shell, wherein a water storage container is arranged on the inner container, an observation hole for observing a water level reminding mark is formed in the shell, a top cover and a water adding disc are arranged at the top of the water storage container, a water inlet aligned with the observation hole of the shell is formed in the top cover, and a flow guide port communicated with the water inlet is formed in the water adding disc; the water adding tray is provided with a flow guide cover, the flow guide cover is provided with a water level detection mechanism for detecting the water storage capacity of the water storage container and making a reminding mark, the water level detection mechanism comprises a floater and a guide pipe, the guide pipe is a through pipe penetrating through the upper end surface and the lower end surface of the flow guide cover, the upper part of the guide pipe is sleeved with an observation hole of the shell, and the lower part of the guide pipe penetrates through a water inlet of the top cover and is inserted into the water storage container; the floater is arranged in the guide pipe, can move up and down in the guide pipe along with the change of the water level, and extends out of the dishwasher from the observation hole of the shell when gradually reaching the highest water storage level of the water storage container.

The application provides a have water level and remind dish washer's beneficial effect lies in: compared with the prior art, change the tradition and adopt inductive element's automatically controlled mode, directly let the float as reminding the sign, set up position complex observation hole on the shell of dish washer, let the float along with the water level variation among the water storage container in the pipe displacement from top to bottom to follow when reaching the highest water storage level of water storage container gradually stretch out the dish washer outside in the observation hole to remind the user in time to stop adding water the operation. This application adopts the float as reminding the sign to form mechanical type's warning structure, simple structure, convenient easy-to-use need not to set up sensing element, saves the occupation space that sets up sensing element and sensing element's response cooperation structure, reduces manufacturing cost effectively, improves dish washer inner space's utilization ratio. In addition, the water level detection mechanism is arranged on the independently arranged flow guide cover, so that the installation and the replacement are facilitated, and compared with a structure arranged on the built-in water tank or the structure of the inner container and the built-in water tank, the water level detection mechanism can be independently installed, detached and replaced, and the manufacturing and maintenance cost is effectively reduced.

The limiting structure is improved, a guide groove which is vertically arranged is formed in the guide pipe, a limiting protrusion which is embedded in the guide groove is arranged on the periphery of the float, and a limiting part which limits the limiting protrusion to move upwards and prevents the float from being separated from the observation hole is arranged at the upper end of the guide groove of the guide pipe. The guide groove on the guide pipe is matched with the limiting protrusion on the floater in an embedded mode, so that the up-and-down displacement motion of the floater is effectively controlled, and when the water storage container reaches the highest water storage level gradually, the floater gradually extends out of the dish washing machine from the observation hole, and the floater serves as a reminding mark to remind a user of controlling the water adding amount in time.

Optionally, the conduit is a cylindrical through pipe extending towards the bottom of the water storage container, and the float is a cylinder accommodated in the conduit; the guide pipe is provided with a vertically arranged limiting groove, and the floater is provided with a sliding block which is embedded with the limiting groove. On the one hand, by utilizing the cylindrical structural characteristics, the guide pipe and the floater are both arranged into cylindrical through pipes and cylindrical structures which are matched with each other, so that the mobility of the floater in the guide pipe is favorably improved, the smoothness of the up-and-down displacement movement of the floater in the guide pipe is effectively improved, and the induction triggering effect is ensured. On the other hand, in order to control the moving range of the float, a mutually matched limiting structure is arranged, the limiting structure is preferably a vertical limiting groove arranged on the guide pipe and a sliding block on the float, and the displacement range of the float can be limited and the float is prevented from falling out of the guide pipe through the scarf joint and matching of the sliding block and the limiting groove.

Optionally, an isolation gap is provided between an outer wall of the float and an inner wall of the conduit; and the lower end of the guide groove of the guide pipe is provided with an air vent communicated with the isolation gap. In practical application, when a user manually adds water into a built-in water storage container, water flow basically covers the whole water adding tray, the internal air pressure of the water storage container is increased, the water adding tray can generate a large amount of bubbles to overflow, and the situation that water flows backwards and splashes out easily occurs; moreover, the internal air pressure of the water storage container can influence the water adding speed, so that the water adding time is prolonged. Therefore, an isolation gap is arranged between the outer wall of the floater and the inner wall of the guide pipe, and the isolation gap has the function of enabling a movable space to be formed between the floater and the guide pipe on one hand, so that the floater can normally move up and down in the guide pipe, and the normal work of the floater is ensured. On the other hand, the isolation gap also plays a role in balancing the internal and external air pressures of the water storage container, effectively prevents water from splashing backwards, enables the water adding flow rate to be normal, and shortens the water adding operation time. In addition, the lower end of the guide groove of the guide pipe is provided with a vent communicated with the isolation gap, so that the vent area can be further increased, and the air pressure balance effect is improved.

Optionally, a lower opening is formed in the bottom of the float, a pneumatic cavity for storing gas is formed in the float, and the pneumatic cavity is communicated with the lower opening. Water level detection device among prior art dish washer, in order to can respond to the biggest water level value in order to remind the user to control the volume of adding water, generally set the float to bulk density and be less than water, and the internal integration has the structure of magnetic induction body. According to the volume and the whole weight of the floater, the floating or sinking of the floater is controlled, and the requirement on the whole density of the floater is high. Moreover, because the integral density of the floater is high, the water level for supporting the floater is positioned at the middle upper part of the floater, so that the induction triggering of the induction component on the water level detection device is easy to delay, and when a reminding signal is sent, the water adding stopping operation of a user is slow, so that the problem of water overflow is easy to occur. Aiming at the technical problem that the water level detection device in the prior art generates a reminding signal and is easy to delay, the structure of the floater is improved. On the one hand, the inside of the floater is provided with the air pressure cavity, the bottom of the floater is provided with the lower opening communicated with the air pressure cavity, the structure of the floater is changed, the density of the floater is reduced, the material consumption is reduced, and the manufacturing cost is reduced. When the bottom of the float contacts with water and the water level rises and falls, the air pressure in the air pressure cavity of the float changes, and the float is supported by the water and moves up and down in the conduit by the changed air pressure. On the other hand, the water level detection structure of this application need not to adopt response subassembly, need not set up the response piece in the float, only uses the arch on the float and the guide way on the pipe to make spacing cooperation, therefore can alleviate the whole weight of float. Therefore, the float which is displaced by the air pressure change of the air pressure chamber is utilized, so that the water level which supports the float is kept at the lower part of the float; and, the projection on the float is restricted in upward movement height by the restricting portion at the upper end of the guide groove to simultaneously serve as a highest point position for restricting upward movement of the float in the guide tube. When the floater is lifted by water and moves upwards, and gradually reaches the highest water storage level of the water storage container, the floater gradually extends out of the dishwasher from the observation hole, so that a user is reminded to control the water adding amount in time, an early warning effect is effectively achieved, and the risk of water overflow is reduced.

The improved structure of the diversion cover is characterized in that the mounting structure of the diversion cover is improved, the top cover is provided with fixing seats positioned on two sides of the water inlet, the fixing seats are provided with fixing holes, the diversion cover is provided with connecting lugs embedded with the fixing seats, and the connecting lugs are provided with connecting holes matched with the positions of the fixing holes. Let the water conservancy diversion lid install on the junction of adding water dish and top cap to through the engaging lug that the water conservancy diversion was covered and the fixing base scarf joint on the top cap, make the fixed orifices on connecting lug and the fixing base counterpoint each other simultaneously, fix like the screw with installing the fastener additional.

The improved filter structure of the diversion cover is characterized in that the diversion cover is provided with a water filling port communicated with the outside of the dishwasher, the diversion cover is provided with a filter screen covering the water filling port, the filter screen and the diversion cover are integrally formed, and the filter screen is provided with a water hole. The filtering piece arranged on the water tank of the dish washing machine in the prior art generally adopts a metal net or a nylon net, the metal net or the nylon net is integrally molded with the cover of a water filling port during production and manufacturing, the metal net or the nylon net is placed in a mold cavity during injection molding, the process has higher cost, defective products are more in the manufacturing process, and the production and manufacturing cost is increased. The filter screen and the diversion cover are integrally formed, so that the filter screen is a part of the diversion cover, and the manufacturing defective products and the cost can be effectively reduced. The water hole of crossing on this filter screen can filter the large granule impurity of user's family aquatic to reach the same filtration purpose, reduce manufacturing cost effectively.

Optionally, the top of the housing is a horizontal plate, and the horizontal plate is provided with the observation hole and a through hole matched with the water filling port of the diversion cover; the diversion cover is also provided with a water adding cover for covering the water adding port, the water adding cover is provided with a hand groove for inserting fingers, and the hand groove is provided with a handle; the bottom of filter screen is equipped with and is used for dodging the arc recess of handle groove. In practical application, a user injects water from a water filling port at the top of the shell of the dishwasher, and the observation hole and the through hole are arranged at the top of the shell, so that the user can simultaneously notice the change on the observation hole when the water filling operation is carried out. When the float is seen to extend out of the observation hole, the water adding operation can be stopped in time, and the water adding amount is effectively controlled. In addition, the water adding cover is provided with a handle groove, and the handle groove is provided with a handle, so that the water adding cover can be conveniently lifted by hands, and the operation accuracy is effectively improved; and, can let the top surface of shell keep smooth, be favorable to showing especially that the float stretches out the change from this observation hole to the user notices this warning sign easily, stops in time to add water, promotes user experience effectively. Wherein, the bottom of filter screen still is equipped with the arc recess, can enough play the effect of dodging of the handle groove of covering adding water, can utilize the shape characteristic of arc recess again to concentrate with the water solution that adds water, reduces water solution sputtering effectively, is favorable to the user to add water operation and controls the water yield that adds, improves user's operation experience.

The structure of the dishwasher is improved, the inner container comprises a bottom plate and a top plate covered on the bottom plate, the bottom plate comprises a frame body with a rectangular cross section and an opening at one side, and the frame body comprises three side wall parts respectively connected with the top plate; the inner container also comprises an enclosure which encloses the peripheries of the three side wall parts, and the water storage container is formed by communicating cavities which are arranged at intervals between the enclosure and the three side wall parts; the top cover of the water storage container is connected with the top plate, and the water adding disc extends to the top plate; the diversion cover is matched with the water adding disc and the top cover in shape and covers the water inlet of the water adding disc and the top cover.

Firstly, the water storage container is formed by communicating cavities arranged between the surrounding shell on the inner container and the three side wall parts of the inner container at intervals, so that the water storage container is integrated on the inner container of the dish washing machine and is integrally formed with the inner container, and the internal space of the dish washing machine is effectively utilized. This water storage container integrated on inner bag can enough promote the water storage volume, can make dish washer's whole outward appearance size effectively reduce again, can reduce the quantity of mould effectively, reduces the die sinking cost. And moreover, the structure of the water storage container is integrated on the inner container, so that the water storage container is tightly attached to the inner container, when the dish-washing machine washes, the water heat in the inner container can be simultaneously conducted into the water storage container, the water heat utilization rate is effectively improved, and the energy consumption of the dish-washing machine is reduced.

And the water adding disc of the water storage container extends to the top plate of the inner container, so that water adding water flow passes through the water adding disc and is guided into the water storage container, the water flow speed is effectively controlled, and a user can conveniently control the water adding amount.

Thirdly, the flow guide cover is matched with the water adding disc and the top cover in shape, so that the top of the liner integrated with the water storage container is flat and attractive; and the diversion cover can completely cover the water inlet of the water adding tray and the water inlet of the top cover, so that the sealing effect is effectively improved, and the overflow is prevented.

Optionally, welding rings formed by welding are respectively arranged at the joint of the side wall portion of the base plate and the top plate and the joint of the enclosure and the top cover, and the welding rings are protruded on the outer walls of the inner container and the water storage container and abut against the outer shell. When dish washer manufacturers in the prior art are designed, a base of the dish washer is a base, and an inner container of the dish washer is an inner container and is manufactured by two sets of large moulds. The manufacturing cost is high, the production and the manufacture are greatly limited, the requirement on the dimensional precision of parts is high, water is easy to leak at the splicing part of the base and the liner, and the quality problem causes customer complaints and goods returns. The inner container is divided into the two parts of the chassis and the top plate, and the bottom surface of the chassis can be connected with other parts of the dish-washing machine and can be directly used as a base of the dish-washing machine. Wherein, the junction between the chassis of inner bag and the roof and the junction of enclosing shell and top cap all are equipped with the welding ring that forms through the welding. Because the side wall portion on chassis encloses with the chassis and closes and form a frame structure, therefore let the inside sealing performance of whole inner bag effectively improve to can reduce the risk of leaking, need not to install waterproof construction additional, dwindle occupation space effectively, reduce the input cost that the mould was made, promote user's use and experience. In addition, to the structure of the integrated water storage container on the inner container of the dish washing machine, because the cavity of the water storage container is contained in the space between the inner container and the shell, the external force applied to the shell is easy to be directly transmitted to the water storage container, and thus the deformation and the damage of the water storage container are easy to cause. To above-mentioned problem, the welding ring sets up and offsets with the shell in the protrusion on inner bag and water storage container's periphery, lets the welding ring can regard as the bearing structure that supports the shell and support external force simultaneously, and then strengthens the support intensity, offsets the transmission of external force, avoids water storage container to warp the damage.

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 according to an embodiment of the present application;

FIG. 2 is a first perspective view of the inner container of the dishwasher according to the embodiment of the present application;

FIG. 3 is a first schematic sectional view of the inner container of the dishwasher according to the embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic perspective view of a first flow guide cover according to an embodiment of the present disclosure;

FIG. 6 is a schematic perspective view of a float according to an embodiment of the present disclosure;

FIG. 7 is a schematic cross-sectional view of a second inner container of the dishwasher according to the embodiment of the present application;

FIG. 8 is an enlarged view of section C of FIG. 7;

fig. 9 is a schematic perspective view of a top cover of the water storage container according to the embodiment of the present application;

fig. 10 is an assembly structure view of the top cover and the deflector provided in the embodiment of the present application;

fig. 11 is a schematic perspective view illustrating a second flow guide cover according to an embodiment of the present disclosure;

FIG. 12 is a schematic perspective view of a housing of a dishwasher according to an embodiment of the present application;

FIG. 13 is an enlarged view of the portion B of FIG. 3;

FIG. 14 is a schematic perspective view of a second inner container of the dishwasher according to the embodiment of the present application;

fig. 15 is a schematic workflow diagram of a dishwasher according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

100-inner container; 101-a solder ring; 200-a housing; 201-a viewing aperture; 202-horizontal plate; 203-a via hole; 300-a water storage container;

1-a top cover; 11-a water inlet; 12-a fixed seat; 121-fixing holes;

2-adding a water tray; 21-a flow guide port;

3-a flow guide cover; 30-a water filling port; 31-connecting lugs; 311-connecting hole; 32-a filter screen; 321-water passing holes; 322-arc groove; 33-a water adding cover; 331-a handle slot; 332-a handle;

4-a float; 40-isolation gap; 41-limiting protrusions; 42-a slide block; 43-lower opening; 44-pneumatic chamber;

5-a catheter; 51-a guide groove; 511-a restricting section; 512-vent; 52-a limit groove;

6-a chassis; 61-a sidewall portion; 7-a top plate; 8-enclosing shell.

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 the present application and are not intended to limit the present 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 implicitly indicating 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.

Referring to fig. 1 and fig. 2 together, a description will now be given of a dishwasher with water level reminding according to an embodiment of the present application. This dish washer includes inner bag 100 and shell 200, be equipped with water container 300 on the inner bag 100, be equipped with the observation hole 201 that is used for observing the water level and reminds the sign on the shell 200, the top of water container 300 is equipped with top cap 11 and adds water tray 2, be equipped with on the top cap 1 with the water inlet 11 of the observation hole counterpoint of shell 200, add water tray 2 be equipped with the water conservancy diversion mouth 21 of water inlet 11 intercommunication.

Referring to fig. 1, 3 and 4 together, a diversion cover 3 is disposed on the water feeding tray 2, a water level detection mechanism for detecting the water storage amount of the water storage container 300 and making a reminding mark is disposed on the diversion cover 3, the water level detection mechanism includes a float 4 and a conduit 5, the conduit 5 is a through pipe passing through the upper and lower end surfaces of the diversion cover 3, the upper part of the conduit 5 is sleeved with the observation hole of the housing 200, and the lower part of the conduit 5 passes through the water inlet 11 of the top cover 1 and is inserted into the water storage container 300; the float 4 is disposed in the guide pipe 5, can move up and down in the guide pipe 5 with the change of water level, and protrudes out of the dishwasher from the observation hole 201 of the housing 200 when gradually reaching the highest water storage level of the water storage container 300.

Compared with the prior art, the dishwasher is reminded to water level that has that the application provides compares, changes the tradition and adopts sensing element's automatically controlled mode, directly lets float 4 as reminding the sign, sets up position complex observation hole 201 on the shell 200 of dishwasher, lets float 4 along with the water level change in water storage container 300 displacement from top to bottom in pipe 5 to follow when arriving water storage container 300's the highest water storage level gradually stretch out the dishwasher outside in observation hole 201 to remind the user in time to stop the operation of adding water. This application adopts float 4 as reminding the sign to form mechanical type's warning structure, simple structure, convenient easy-to-use need not to set up sensing element, saves the occupation space that sets up sensing element and sensing element's response cooperation structure, reduces manufacturing cost effectively, improves dish washer inner space's utilization ratio. In addition, the water level detection mechanism is arranged on the independently arranged diversion cover 3, so that the installation and the replacement are facilitated, and compared with the structure arranged on the built-in water tank or the structure of the inner container 100 and the built-in water tank, the water level detection mechanism can be independently installed, detached and replaced, and the manufacturing and maintenance cost is effectively reduced.

In another embodiment of the present application, the limiting structure is optimized, please refer to fig. 5 to 8, a guide groove 51 is vertically arranged on the guide tube 5, a limiting protrusion 41 embedded in the guide groove 51 is arranged on the periphery of the float 4, and a limiting portion 511 for limiting the upward movement of the limiting protrusion 41 and preventing the float 4 from coming out of the observation hole 201 is arranged at the upper end of the guide groove 51 of the guide tube 5. The guide groove 51 on the guide pipe 5 is matched with the limit protrusion 41 on the floater 4 in an embedding manner, so that the up-and-down displacement motion of the floater 4 is effectively controlled, and when the highest water storage level of the water storage container 300 is gradually reached, the floater 4 gradually extends out of the dishwasher from the observation hole 201 to serve as a reminding mark for reminding a user to control the water adding amount in time.

In another embodiment of the present application, please refer to fig. 5 and fig. 6, the conduit 5 is a cylindrical through pipe extending towards the bottom of the water storage container 300, and the float 4 is a cylinder accommodated in the conduit 5; the guide pipe 5 is provided with a vertically arranged limit groove 52, and the float 4 is provided with a slide block 42 embedded with the limit groove 52. On the one hand, by utilizing the cylindrical structural characteristics, the guide pipe 5 and the floater 4 are both arranged into cylindrical through pipes and cylindrical structures which are matched with each other, so that the mobility of the floater 4 in the guide pipe 5 is favorably improved, the smoothness of the up-and-down displacement motion of the floater 4 in the guide pipe 5 is effectively improved, and the induction triggering effect is ensured. On the other hand, in order to control the range of motion of the float 4, a stopper structure is provided which is engaged with each other, preferably a vertical stopper groove 52 provided in the guide pipe 5 and a slider 42 provided on the float 4, and by engagement of the slider 42 with the stopper groove 52, the range of displacement of the float 4 is restricted, and the float 4 is prevented from coming out of the guide pipe 5.

In practical application, when a user manually adds water into the built-in water storage container 300, water flow basically covers the whole water adding tray 2, the internal air pressure of the water storage container 300 is increased, a large amount of bubbles are generated in the water adding tray 2 to overflow, and the situation that water flows backwards and splashes out easily occurs; also, the internal air pressure of the water container 300 affects the water adding speed, so that the water adding time is prolonged. For this purpose, referring to fig. 4 and 8 together, an isolation gap 40 is provided between the outer wall of the float 4 and the inner wall of the conduit 5. The function of the isolation gap 40 is, on one hand, to provide a movable space between the float 4 and the conduit 5, so that the float 4 can normally perform up-and-down displacement movement in the conduit 5, thereby ensuring the normal operation of the float 4. On the other hand, the isolation gap 40 also has the function of balancing the internal and external air pressures of the water storage container 300, so that the water is effectively prevented from splashing backwards, the water adding flow rate is kept normal, and the water adding operation time is shortened.

Referring to fig. 5, the lower end of the guide groove 51 of the guide tube 5 is provided with a vent 512 communicated with the isolation gap 40, so as to further increase the vent area and improve the air pressure balance effect.

In order to sense the maximum water level value to remind a user to control the water adding amount, the water level detection device in the dishwasher in the prior art generally sets the floater 4 to be of a structure with integral density smaller than that of water and a magnetic inductor integrated inside. According to the self volume and the whole weight of the floater 4, the floating or sinking of the floater 4 is controlled, and the requirement on the whole density of the floater 4 is high. Moreover, because the integral density of the floater 4 is high, the water level for supporting the floater 4 is positioned at the middle upper part of the floater 4, so that the induction triggering of the induction component on the water level detection device is easy to delay, and when a reminding signal is sent, the water adding stopping operation of a user is slow, so that the problem of water overflow is easy to occur. In another embodiment of the present application, the structure of the float 4 is optimized, please refer to fig. 4, fig. 6 and fig. 8 together, a lower opening 43 is disposed at the bottom of the float 4, a pneumatic chamber 44 for storing gas is disposed in the float 4, and the pneumatic chamber 44 is communicated with the lower opening 43. On one hand, the inside of the float 4 is provided with the air pressure cavity 44, and the bottom of the float 4 is provided with the lower opening 43 communicated with the air pressure cavity 44, so that the structure of the float 4 is changed, the density of the float 4 is reduced, the consumable material is saved, and the manufacturing cost is reduced. When the bottom of the float 4 comes into contact with water and during the rising and falling of the water level, the air pressure in the air pressure chamber 44 of the float 4 changes, and the changed air pressure causes the float 4 to be lifted by the water and to be displaced up and down in the guide duct 5. On the other hand, the water level detection structure of the present application does not need to adopt a sensing component, and a sensing member is not needed to be arranged in the float 4, and only the protrusion on the float 4 is in limit fit with the guide groove 51 on the guide pipe 5, so that the overall weight of the float 4 can be reduced. Therefore, the displacement of the float 4 is achieved by the change in the air pressure of the air pressure chamber 44, so that the water level that lifts up the float 4 is maintained at the lower portion of the float 4; and, the protrusion on the float 4 is restricted in upward movement height by the restricting portion 511 at the upper end of the guide groove 51 to simultaneously serve as the highest point position for restricting the upward movement of the float 4 in the guide duct 5. When the floater 4 is lifted by water and moves upwards, and gradually reaches the highest water storage level of the water storage container 300, the floater 4 gradually extends out of the dishwasher from the observation hole 201, so that a user is reminded to control the water adding amount in time, an early warning effect is effectively achieved, and the risk of overflowing is reduced.

Referring to fig. 3, 4, 7 and 8, the working principle of the water level sensing mechanism of the present application is as follows:

the float 4 is arranged in the conduit 5, and when the float 4 moves upwards, the highest point of the upwards movement is limited by the limiting bulge 43 and the limiting part 511 of the guide groove 51; when the float 44 moves downward, the lowest point of downward movement is restricted by the lower ends of the slider 42 and the stopper groove 52. The float 4 is confined in the conduit 5 and performs a vertical displacement movement within a set range of the above-described structure. When the user adds water, the water level rises to push the float 4 to move upwards in the conduit 5, and the top of the float 4 can gradually extend out of the dishwasher from the observation hole 201 on the casing 200 to remind the user to stop the water adding operation in time.

In another embodiment of the present application, the mounting structure of the diversion cover 3 is optimized, please refer to fig. 9 to 11 together, the top cover 1 is provided with a fixing seat 12 located at two sides of the water inlet 11, the fixing seat 12 is provided with a fixing hole 121, the diversion cover 3 is provided with a connecting lug 31 embedded in the fixing seat 12, and the connecting lug 31 is provided with a connecting hole 311 matched with the position of the fixing hole 121. Let the water conservancy diversion lid 3 install on the junction of adding water dish 2 and top cap 1 to through the engaging lug 31 on the water conservancy diversion lid 3 and the fixing base 12 scarf joint on the top cap 1, make the mutual counterpoint of connecting hole 311 and the fixed orifices 121 on the fixing base 12 on the engaging lug 31 simultaneously, fix like the screw with installing the fastener additional.

The filtering piece arranged on the water tank of the dish washing machine in the prior art generally adopts a metal net or a nylon net, the metal net or the nylon net is integrally molded with the cover of a water filling port during production and manufacturing, the metal net or the nylon net is placed in a mold cavity during injection molding, the process has higher cost, defective products are more in the manufacturing process, and the production and manufacturing cost is increased. In another embodiment of the present application, a filtering structure of the deflector cap 3 is optimized, referring to fig. 11, a water inlet 30 communicated with the outside of the dishwasher is provided on the deflector cap 3, a filter screen 32 covering the water inlet 30 is provided on the deflector cap 3, and the filter screen 32 and the deflector cap 3 are integrally formed, so that the filter screen 32 is a part of the deflector cap 3, which can effectively reduce manufacturing defective products and reduce cost. Wherein, be equipped with water hole 321 on the filter screen 32, the water hole 321 shape on this filter screen 32 can be preferably for the water clearance of rectangular shape to form filtration, can filter the large granule impurity of user's family aquatic, in order to reach the same filtration mesh, reduce manufacturing cost effectively. The width of the water gap is 0.2-1.5 mm, or preferably 0.3-0.7 mm, and the length of the water gap is not limited.

In another embodiment of the present application, referring to fig. 12, a horizontal plate 202 is disposed on the top of the housing 200, and the horizontal plate 202 is provided with the observation hole 201 and a through hole 203 matched with the position of the water filling opening 30 of the deflector cover 3. In practical application, a user fills water from the water filling port 30 at the top of the dishwasher housing 200, and since the observation hole 201 and the through hole 203 are both disposed at the top of the housing 200, the user can simultaneously notice the change in the observation hole 201 when performing a water filling operation. When the floater 4 is seen to extend out of the observation hole 201, the water adding operation can be stopped in time, and the water adding amount is effectively controlled.

In another embodiment of the present application, please refer to fig. 1 and 10 together, a water filling cover 33 for covering the water filling opening 30 is further disposed on the diversion cover 3, a handle slot 331 for inserting a finger of a person is disposed on the water filling cover 33, and a handle 332 is disposed on the handle slot 331 to facilitate lifting by a hand and effectively improve operation accuracy. Moreover, the top surface of the shell 200 is kept flat, so that the change of the floater 4 extending out of the observation hole 201 can be displayed particularly, a user can easily notice the reminding mark, water adding is stopped in time, and the user experience is effectively improved. In practical applications, it is also possible to provide the float 4 with a clearly distinctive color from the housing 200, thereby enhancing the distinctive characteristics to increase the user's attention. The form in which the float 4 is provided with a distinguishing characteristic in shape or color or the like is not limited herein.

On the basis, please refer to fig. 13, the bottom of the filter screen 32 is provided with an arc groove 322 for avoiding the handle groove 331, the arc groove 322 can not only avoid the handle groove 331 on the water adding cover 33, but also concentrate the water adding liquid by utilizing the shape characteristics of the arc groove 322, thereby effectively reducing the water liquid sputtering, being beneficial to the water adding operation of the user and the control of the water adding amount, and improving the operation experience of the user.

In another embodiment of the present application, the structure of the dishwasher is optimized, please refer to fig. 2 and 14, the inner container 100 includes a bottom plate 6 and a top plate 7 covering the bottom plate 6, the bottom plate 6 includes a frame body with a rectangular cross section and an opening on one side, the frame body includes three side wall portions 61 respectively connected to the top plate 7; the inner container 100 further includes an enclosure 8 enclosing the peripheries of the three side wall portions 61, and the water storage container 300 is formed by communicating cavities arranged at intervals between the enclosure 8 and the three side wall portions 61. Referring to fig. 3 and 10, the top cover 1 of the water container 300 is connected to the top plate 7, and the water feeding tray 2 extends to the top plate 7; the diversion cover 3 is matched with the water adding disc 2 and the top cover 1 in shape and covers the water adding disc 2 and the water inlet 11 of the top cover 1.

First, the water storage container 300 is formed by connecting the enclosure 8 on the inner container 100 and the cavities spaced between the three side walls 61 of the inner container 100, so that the water storage container 300 is integrated on the inner container 100 of the dishwasher and is integrally formed with the inner container 100, thereby effectively utilizing the inner space of the dishwasher. This water storage container 300 integrated on inner bag 100 can enough promote the water storage volume, can make the whole external dimension of dish washer effectively reduce again, can reduce the quantity of mould effectively, reduces the die sinking cost. Moreover, the structure of the water storage container 300 is integrated on the inner container 100, so that the water storage container 300 is tightly attached to the inner container, when the dishwasher washes, the water heat in the inner container 100 can be simultaneously conducted into the water storage container 300, the utilization rate of the water heat can be effectively improved, and the energy consumption of the dishwasher is reduced.

Secondly, the water adding tray 2 of the water storage container 300 extends to the top plate 7 of the inner container 100, so that the water adding flow passes through the water adding tray 2 and is guided into the water storage container 300, the water flow speed is effectively controlled, and the water adding amount is conveniently controlled by a user.

Thirdly, the flow guide cover 3 is matched with the water adding disc 2 and the top cover 1 in shape, so that the top of the inner container 100 integrated with the water storage container 300 is flat and attractive; moreover, the diversion cover 3 can completely cover the water adding tray 2 and the water inlet 11 of the top cover 1, thereby effectively improving the sealing effect and preventing water overflow.

When a dishwasher manufacturer in the prior art designs, a base of the dishwasher is a base, and an inner container 100 of the dishwasher is an inner container 100 and is manufactured by two sets of large molds. The manufacturing cost is high, the production and the manufacture are greatly limited, the requirement on the dimensional precision of parts is high, water is easy to leak at the splicing part of the base and the inner container 100, and the quality problem causes customer complaints and goods returns. In another embodiment of the present application, referring to fig. 2 and 14, a welding ring 101 formed by welding is respectively disposed at a connection portion between the side wall portion 61 of the bottom plate 6 and the top plate 7 and a connection portion between the enclosure 8 and the top cover 1, and the welding ring 101 is protruded on outer walls of the inner container 100 and the water storage container 200 and abuts against the outer shell 200. The inner container 100 is divided into two parts of a chassis 6 and a top plate 7, and other parts of the dish washing machine can be connected to the bottom surface of the chassis 6 and can be directly used as a base of the dish washing machine. Wherein, the joint between the chassis 6 and the top plate 7 of the inner container 100 and the joint between the enclosure 8 and the top cover 1 are both provided with welding rings 101 formed by welding. Because the side wall portion 61 of chassis 6 encloses with chassis 6 and closes and form a frame structure, therefore let the inside sealing performance of whole inner bag 100 effectively improve to can reduce the risk of leaking, need not to install waterproof construction additional, reduce occupation space effectively, reduce the input cost that the mould was made, promote user's use and experience.

In addition, according to the structure of the integrated water storage container 300 on the inner container 100 of the dishwasher of the present application, since the cavity of the water storage container 300 is accommodated in the space between the inner container 100 and the outer shell 200, the external force applied to the outer shell 200 is easily and directly transmitted to the water storage container 300, and thus the deformation and damage of the water storage container 300 are easily caused. In view of the above problems, the welding ring 101 protrudes from the outer peripheries of the inner container 100 and the water storage container 200 and abuts against the outer casing 200, so that the welding ring 101 can serve as a supporting structure for supporting the outer casing 200 against an external force, thereby enhancing the supporting strength, offsetting the transmission of the external force, and avoiding the deformation and damage of the water storage container 300.

Referring to fig. 15, the operation principle of the dishwasher provided by the embodiment of the present application is as follows:

firstly, the dish-washing machine comprises two water inlet modes of water tank inlet and tap water inlet, and the water inlet function mode simultaneously exists. The water inlet mode of the waterway is as follows:

path: the dishwasher directly cleans tableware, and water is not stored in a water tank, so that the water tank only serves as a standby function;

path II: manual filler 30 is used to the storage water tank, when inconvenient connection running water halter or running water cut off water in the user family, manual through filler 30 toward the water tank in injected water and fill, when the machine washs the tableware, obtain the washing water through the storage water tank: a water storage tank, a water pump, a water pipe, a flowmeter, a water inlet anti-siphon, a water pipe, a water softener, a water pipe and a washing cavity;

the water softener and the corresponding water pipe are optional and can be selected according to different requirements for use, that is, the water softener and the matched water pipe are not required in the path, but the configuration is required.

Secondly, the control modes of two water inlet modes of water tank inlet and tap water inlet of the dish-washing machine are as follows:

after the user selects the washing program and presses the start key:

1, T value of 1(T value represents path selection times after water inlet failure)

2. Starting a water inlet waterway mode of the water inlet valve;

3. judging whether the flowmeter sends out a pulse total value larger than a set minimum pulse value to a main control board control circuit within a set time;

4. if the pulse total value is larger than the minimum pulse total value, judging that the tap water is normal, and continuously feeding water in a first mode until the pulse value fed back by the flowmeter corresponding to the single water feeding value set by the program corresponding to the washing program selected by the user is finished;

5. stopping water inflow, spraying and cleaning the tableware, and recording a water inflow path A (currently, recording the water inflow path A as phi).

6. When the flow meter in the step 2 is not in the set time, sending a total pulse value larger than the set minimum pulse value to the control circuit of the main control board;

7. if the pulse sum is less than the minimum pulse sum value, judging that the tap water fails to enter water, starting water inlet according to a second mode, and starting a water pump to pump the cleaning water in the water tank; and T ═ T +1

8. Judging whether the flowmeter sends out a pulse total value larger than a set minimum pulse value to a main control board control circuit within a set time;

9. if the pulse value is larger than the minimum pulse total value, the water tank is judged to contain washing water, the water tank is filled with water normally, and water is filled continuously according to the second mode until the pulse value fed back by the flowmeter corresponding to the single water inlet value set by the program corresponding to the washing program selected by the user is finished;

10. stopping water inflow, spraying and cleaning the tableware, and recording a water inflow path A (currently, recording that the water inflow path A is two). And resetting the value of T, T being 1

Wherein: the water inlet times of each user washing program are different, and the difference of water inlet 2 times and water inlet 3 times or water inlet 4 times exists. Namely, the washing program selected by the user is completed, and water is fed for many times in the middle.

11. When a user program runs halfway and needs to carry out water inlet for N +1 times on a washing cavity, the recorded water inlet path A value is preferentially selected for water inlet;

12. judging whether the flowmeter sends out a pulse total value larger than a set minimum pulse value to a main control board control circuit within a set time;

13. if the pulse total value is larger than the minimum pulse total value, judging that the water inflow is normal under the current condition, and continuously feeding water in a mode (the current path A value) until the pulse value fed back by the flowmeter corresponding to the single water inflow value set by the program corresponding to the washing program selected by the user is finished;

14. if the current water inlet path is smaller than the minimum pulse total value, judging that the water inlet fails under the current condition, switching another water inlet path of the current path, assigning a value to the current path A, and if the current water inlet path is phi, switching to phi and reassigning the current path A)

15. Judging whether the flowmeter sends out a pulse total value larger than a set minimum pulse value to a main control board control circuit within a set time;

16. if the water content is larger than the preset value, water is fed to the reaction kettle until the reaction is finished. If less than, the step 14 is returned. And when the T value is greater than 3, prompting alarm information and feeding back water shortage.

By the mode, tap water does not need to pass through the built-in water tank, the water inlet time is effectively shortened, the machine runs in a short time, and water flow is sprayed to clean tableware. The machine is whole, and the reaction is sensitive and response speed is fast, promotes user's use and experiences, improves user's purchase desire.

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

1. A dish washing machine with water level reminding function comprises an inner container and a shell, and is characterized in that a water storage container is arranged on the inner container, an observation hole used for observing a water level reminding mark is formed in the shell, a top cover and a water adding disc are arranged at the top of the water storage container, a water inlet aligned with the observation hole of the shell is formed in the top cover, and a flow guide port communicated with the water inlet is formed in the water adding disc; the water adding tray is provided with a flow guide cover, the flow guide cover is provided with a water level detection mechanism for detecting the water storage capacity of the water storage container and making a reminding mark, the water level detection mechanism comprises a floater and a guide pipe, the guide pipe is a through pipe penetrating through the upper end surface and the lower end surface of the flow guide cover, the upper part of the guide pipe is sleeved with an observation hole of the shell, and the lower part of the guide pipe penetrates through a water inlet of the top cover and is inserted into the water storage container; the floater is arranged in the guide pipe, can move up and down in the guide pipe along with the change of the water level, and extends out of the dishwasher from the observation hole of the shell when gradually reaching the highest water storage level of the water storage container.

2. The dishwasher with water level reminder according to claim 1, wherein the guide tube is provided with a vertically arranged guide groove, the float is provided at the outer circumference thereof with a limit protrusion engaged with the guide groove, and the guide groove of the guide tube is provided at the upper end thereof with a limit portion for limiting the upward movement of the limit protrusion and preventing the float from coming out of the observation hole.

3. The dishwasher with water level reminder as claimed in claim 2, wherein the conduit is a cylindrical through pipe extending towards the bottom of the water storage container, and the float is a cylinder accommodated in the conduit; the guide pipe is provided with a vertically arranged limiting groove, and the floater is provided with a sliding block which is embedded with the limiting groove.

4. The dishwasher having a water level reminder of claim 3, wherein an isolation gap is provided between an outer wall of the float and an inner wall of the duct; and the lower end of the guide groove of the guide pipe is provided with an air vent communicated with the isolation gap.

5. The dishwasher with water level reminder according to claim 2, wherein the bottom of the float is provided with a lower opening, and a pneumatic chamber for storing gas is provided in the float and is communicated with the lower opening.

6. The dishwasher with water level reminding as claimed in claim 1, wherein the top cover is provided with fixing seats at both sides of the water inlet, the fixing seats are provided with fixing holes, the flow guide cover is provided with connecting lugs embedded with the fixing seats, and the connecting lugs are provided with connecting holes matched with the fixing holes.

7. The dishwasher with water level reminding as claimed in claim 1, wherein the diversion cover is provided with a water inlet communicated with the outside of the dishwasher, the diversion cover is provided with a filter screen covering the water inlet, the filter screen and the diversion cover are integrally formed, and the filter screen is provided with water passing holes.

8. The dishwasher with water level reminding as claimed in claim 7, characterized in that the top of the housing is a horizontal plate, and the horizontal plate is provided with the observation hole and a through hole matched with the water filling port of the diversion cover; the diversion cover is also provided with a water adding cover for covering the water adding port, the water adding cover is provided with a hand groove for inserting fingers, and the hand groove is provided with a handle; the bottom of filter screen is equipped with and is used for dodging the arc recess of handle groove.

9. The dishwasher with the water level reminder according to any one of claims 1 to 8, wherein the inner container comprises a bottom plate and a top plate covering the bottom plate, the bottom plate comprises a frame body with a rectangular cross section and an opening at one side, and the frame body comprises three side wall parts respectively connected with the top plate; the inner container also comprises an enclosure which encloses the peripheries of the three side wall parts, and the water storage container is formed by communicating cavities which are arranged at intervals between the enclosure and the three side wall parts; the top cover of the water storage container is connected with the top plate, and the water adding disc extends to the top plate; the diversion cover is matched with the water adding disc and the top cover in shape and covers the water inlet of the water adding disc and the top cover.

10. The dishwasher with water level reminding as claimed in claim 9, wherein the joint of the side wall portion of the bottom plate and the top plate and the joint of the enclosure and the top cover are respectively provided with a welding ring formed by welding, and the welding rings are protruded on the outer walls of the inner container and the water storage container and abut against the outer shell.