CN211270568U - Water tank type dish washing machine - Google Patents

Abstract

The utility model discloses a basin formula dish washer. The sink type dish washing machine comprises a water discharging cup connected with a water discharging opening of a sink, and further comprises a first filter and a second filter, wherein the second filter has a first using state and a second using state, the first using state is matched with the water discharging cup after the second filter is connected with the first filter, and the second using state is matched with the water discharging cup. This basin formula dish washer, when the second filter is in first user state, this dish washer has the function of washing the dishes, when the second filter is in the second user state, this dish washer has ordinary basin function, thereby, the user can switch the user state of second filter as required, so that make dish washer switch as required for function or basin function of washing the dishes, just so made things convenient for user's selection, satisfied the demand of user to two basins, greatly made things convenient for user's life.

Description

Water tank type dish washing machine

Technical Field

The utility model relates to a kitchen appliance technical field, concretely relates to basin formula dish washer.

Background

In the prior art, a water tank type dish washing machine is generally in a double-tank structure, one tank is used as a normal water tank, the other tank is used as a dish washing tank, a washing module and a filtering structure are fixedly arranged in the dish washing tank, and the dish washing machine cannot be switched to be used as the normal water tank. When a user needs to use the double water tanks at the same time, the water tank type dish washing machine is difficult to meet the requirements of the customer, and brings great inconvenience to the life of the customer.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a, provide a basin formula dish washer, the dish washer groove can be switched into the use of general water trough to satisfy the demand of user to two basins.

In order to solve the technical problem, the utility model provides a basin formula dish washer, include the lower water cup of being connected with the lower mouth of a river of basin, dish washer still includes first filter and second filter, the second filter have with first filter connect the back with the first user state that lower water cup cooperation was used and alone with the second user state that lower water cup cooperation was used.

This basin formula dish washer, when the second filter is in first user state, this dish washer has the function of washing the dishes, when the second filter is in the second user state, this dish washer has ordinary basin function, thereby, the user can switch the user state of second filter as required, so that make dish washer switch as required for function or basin function of washing the dishes, just so made things convenient for user's selection, satisfied the demand of user to two basins, greatly made things convenient for user's life.

Optionally, a step surface is arranged on the inner side wall of the first filter along the circumferential direction, a turned edge is arranged on the outer side wall of the second filter along the circumferential direction, in the first use state, the turned edge is overlapped on the step surface, and the first filter is detachably arranged in the lower water cup.

Such structure has made things convenient for the separation of second filter and first filter, and simultaneously, first filter detachably sets up in lower drinking cup, has made things convenient for the separation of first filter and lower drinking cup to, the user can make dish washer change between first user state and second user state as required in the use, has satisfied the demand of user to dish washer function and basin function simultaneously.

Optionally, the step surface is a downward inclined surface, the curled edge is matched with the step surface, and the curled edge is lapped on the step surface under the action of the self weight of the second filter.

Such structure, simple structure has realized the sealed overlap joint of turn-up with the step face, avoids large granule residue direct access first filter under the condition of not passing through the second filter. And when water flows to the second filter, the gravity of the water also acts on the second filter, so that the lap joint force of the curled edge and the step surface is further increased, and the sealing effect of the curled edge and the step surface is improved.

Optionally, the first filter includes a first outer side wall located on the upper side of the step surface and a second outer side wall located on the lower side of the step surface, the first outer side wall is in matching and abutting joint with the inner side wall of the lower cup, and the bottom of the second outer side wall is fixed to the bottom of the lower cup through a turn buckle.

The structure facilitates the separation and connection of the first filter and the lower water cup, thereby being beneficial to the switching between the first use state (dish washing function) and the second use state (water tank function) of the dish washing machine and further facilitating the use of users. The first outer side wall is matched and abutted with the inner side wall of the lower water cup, so that sealing between the first outer side wall and the lower water cup can be realized, and residues are prevented from directly entering the lower water cup in the cleaning process.

Optionally, a curled edge is circumferentially arranged on an outer side wall of the second filter, a flange is circumferentially arranged on an inner side wall of the lower water cup, and the curled edge is lapped on the flange in the second use state.

By the structural mode, the second filter can be matched with the lower water cup conveniently. And, the separation and the cooperation of second filter and launching cup are realized easily, have further made things convenient for the switching between first user state and the second user state, have made things convenient for user's use.

Optionally, the lower water cup comprises a first split body and a second split body which are connected with each other along the axial direction, the first split body is connected to the lower water gap from top to bottom, the second split body is connected with the lower end of the first split body from bottom to top, and the flange is arranged on the first split body.

The lower water cup with the structure facilitates installation of the lower water cup, and the drift diameter of the second split body can be set to be larger than that of the first split body, so that the volume of the lower water cup can be increased, and the collection amount of circulating water is increased.

Optionally, a plurality of radially outward protruding portions are arranged on an outer edge of the turned edge, a plurality of filter residue holes are circumferentially arranged on the top of the first filter, the plurality of protruding portions respectively protrude into the filter residue holes in the first use state, and the protruding portions are lapped on the flange in the second use state.

The structure can circumferentially position the second filter, and ensures the washing performance of the dish washing machine

Optionally, the first filter and the second filter are respectively provided with a filtering hole, the filtering hole of the second filter is larger than the filtering hole of the first filter, the lower part of the lower water cup is provided with a circulating water outlet, and the water outlet is provided with a filtering structure.

With the structure, when the dishwasher is used as a common water tank, the filtering structure can play a role in supplementing and filtering, so that larger particles in the lower water cup can be prevented from entering a circulating water pipeline through the water outlet, and the influence of the larger particles on the dish washing function is avoided.

Optionally, in the first use state, the dishwasher further includes a circulating water pipeline axially penetrating through the first filter and the second filter, and a spray arm assembly connected to the circulating water pipeline.

Optionally, the spray arm assembly is detachably connected with the circulating water pipeline, a non-return structure is arranged in the circulating water pipeline, when the circulating water pipeline supplies water to the spray arm assembly, the non-return structure is opened, and when the circulating water pipeline stops supplying water to the spray arm, the non-return structure is closed.

The setting of non return structure, when dish washer is in basin functional state, the back is closed to the non return structure, and the water that contains the residue in the basin can not get into the circulating water pipeline to the residue in the basin just also can not get into the circulating water passageway, has avoided causing the influence to first user state, has realized the successful conversion of first user state to the second user state.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

FIG. 1 is a schematic cross-sectional view of a sump type dishwasher according to an embodiment of the present invention in a first usage state;

FIG. 2 is a schematic cross-sectional view of a sump type dishwasher according to an embodiment of the present invention in a second use state;

FIG. 3 is a schematic view showing a state where the second filter is connected to the first filter;

FIG. 4 is a schematic view of the second filter in a separated state from the first filter;

FIG. 5 is a schematic structural view illustrating the connection between the drain cup and the drain port in one embodiment;

FIG. 6 is a schematic view showing the connection between the water discharge cup and the water discharge opening in another embodiment;

FIG. 7 is an exploded view of the launch cup installation.

Description of reference numerals:

10 — a first filter;	11-step surface;	12 — a first outer side wall;
			13 — a second exterior sidewall;	14-filter residue hole;	20 — a second filter;
21-curling;	22-a handle;	23-a projection;
			30, discharging a water cup;	31-a water outlet;	32-a filter structure;
33-a flange;	34-a first split;	35-a second section;
			40-a circulating water pipeline;	50-a spray arm assembly;	60-a non-return structure;
70-an adapter ring;	80-a fixed structure;	81-fixing a metal plate;
			82, sealing metal plates;	83 — first sealing ring;	91 — a second sealing ring;
92-third sealing ring;	321-mesh.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The present invention will be described in detail below with reference to specific embodiments.

Fig. 1 is a schematic cross-sectional structure view of a sink type dishwasher in a first use state according to an embodiment of the present invention, and fig. 2 is a schematic cross-sectional structure view of a sink type dishwasher in a second use state according to an embodiment of the present invention. As shown in fig. 1 and 2, the sump dishwasher includes a drain cup 30 connected to a drain port of a sump, and further includes a first filter 10 and a second filter 20. The second filter 20 has a first state of use and a second state of use. In the first use position, the second filter 20 is connected to the first filter 10 and then used in conjunction with the drain cup 30, as shown in FIG. 1. In the second use condition, the second filter 20 alone is used in conjunction with the drain cup 30, as shown in FIG. 2.

The embodiment of the utility model provides a basin formula dish washer, second filter 20 have a first user state, under the first user state, second filter 20 is connected with first filter 10 and then is used with lower drinking cup 30 cooperation, thereby, the water that gets into in lower drinking cup 30 can be through second filter 20 and first filter 10 two-stage filtration and use as the circulating water, and then this dish washer can accomplish the function of washing the tableware; meanwhile, the second filter 20 has a second use state in which the second filter 20 is separately used in cooperation with the drain cup 30, so that the water introduced into the drain cup 30 is discharged only by the filtration of the second filter 20, which corresponds to the use function of the general water tank, and further, the dishwasher can be used as the general water tank in the second use state. Therefore, this basin formula dish washer, when the second filter is in first user state, this dish washer has the function of washing the dishes, when the second filter is in the second user state, this dish washer has ordinary basin function, thereby, the user can switch the user state of second filter as required, so that make dish washer switch as required for function or basin function of washing the dishes, just so made things convenient for user's selection, satisfied the demand of user to two basins, user's life has greatly made things convenient for.

Fig. 3 is a schematic view showing a state in which the second filter is connected to the first filter, and fig. 4 is a schematic view showing a state in which the second filter is separated from the first filter. As shown in fig. 1, 3 and 4, the first filter 10 has a step surface 11 formed on an inner side wall thereof in a circumferential direction, and the second filter 20 has a bead 21 formed on an outer side wall thereof in the circumferential direction. In the first use position, the bead 21 overlaps the step surface 11. The first filter 10 is detachably provided in the lower cup 30.

Such structure, turn-up 21 overlap joint is on step face 11, can make things convenient for the separation of second filter 20 and first filter 10, and simultaneously, first filter 10 detachably sets up in lower water cup 30, the separation of first filter 10 and lower water cup 30 has been made things convenient for, thereby, the user is in the use, can conveniently separate first filter 10 from lower water cup 30, and separate second filter 20 from first filter 10, and then use second filter 20 and lower water cup 30 cooperation, the user has been made things convenient for dishwasher by first user state conversion to the second user state, the switching of dishwasher by the function of washing dishes to basin function has been made things convenient for promptly.

In one embodiment, in order to improve the sealing performance between the turned edge 21 and the step surface 11, the step surface 11 is a downward slope, and the turned edge 21 is matched with the step surface 11, i.e. the surface of the turned edge 21 matched with the step surface 11 is a slope matched with the step surface 11. In one embodiment, the bead 21 overlaps the step surface 11 under the weight of the second filter 20.

With such a structure, the sealing lap joint of the curled edge 21 and the step surface 11 can be realized, and large-particle residues are prevented from directly entering the first filter without passing through the second filter. The lap joint of the curled edge 21 and the step surface 11 is realized by the self weight of the second filter 20, the structure is simple, and the second filter 20 and the first filter are convenient to detach. Moreover, when water flows to the second filter 20, the gravity of the water also acts on the second filter 20, further increasing the overlapping force of the bead 21 and the step surface 11, and improving the sealing effect of the bead 21 and the step surface 11.

It will be readily appreciated that the gutter outlet is generally circular, and therefore the gutter cup, the first filter and the second filter are all cylindrical.

To further facilitate the separation of the second filter 20 from the first filter 10, as shown in fig. 3 and 4, the second filter 20 is provided with a movable handle 22, and when the second filter 20 needs to be removed from the first filter 10, the handle 22 can be lifted by hand, so that the second filter 20 can be easily separated from the first filter 10.

As shown in fig. 1, the first filter 10 includes a first outer sidewall 12 and a second outer sidewall 13, the first outer sidewall 12 being located at an upper side of the step surface 11, and the second outer sidewall 13 being located at a lower side of the step surface 11. In order to realize the matching use of the first filter 10 and the lower water cup, the first outer side wall 12 is in matched and abutted connection with the inner side wall of the lower water cup 30, and the bottom of the second outer side wall 13 is fixed with the bottom of the lower water cup 30 through a turnbuckle.

The bottom of the second outer side wall 13 is fixed with the bottom of the lower water cup 30 through the rotary buckle, so that the first filter 10 and the lower water cup 30 can be conveniently separated and connected, the switching between the first use state (dish washing function) and the second use state (water tank function) of the dish washing machine is facilitated, and the use of a user is further facilitated. The first outer side wall 12 is in matching abutting joint with the inner side wall of the lower water cup 30, sealing between the first outer side wall 12 and the lower water cup 30 can be achieved, residues in the cleaning process are prevented from directly entering the lower water cup 30, and the first filter 10 and the lower water cup 30 can be conveniently detached due to the fact that the first outer side wall 12 is in matching abutting joint with the inner side wall of the lower water cup 30.

It is easily understood that, when the dishwasher is used for a dish washing function, as shown in fig. 1, the first filter is generally a fine filter and the second filter is generally a coarse filter, and thus, the first filter and the second filter are respectively provided with filtering holes, and the filtering holes of the second filter are larger than the filtering holes of the first filter. Therefore, in the first usage state, i.e., the dish washing function, the water containing the residue in the water tank passes through the drain port, and then enters the second filter 20 for coarse filtration, the water containing the small residue enters the first filter 10 for fine filtration after the large residue and the like are filtered by the second filter 20, and the first filter 10 filters the small residue and then discharges the circulating water into the drain cup 30 for recycling.

In order to prevent the second filter from blocking water in the water tank from entering the second filter, as shown in fig. 1, in the first use state, after the curled edge 31 is overlapped on the step surface 11, the upper end surface of the second filter is not higher than the lower water gap, so as to prevent the second filter from blocking the entry of residues, and facilitate slag discharge and water discharge at the lower water gap.

As shown in fig. 1, the dishwasher further includes a circulation water pipe 40 axially penetrating the first and second filters 10 and 20 and a spray arm assembly 50 connected to the circulation water pipe 40 in the first use state. The dishwasher further includes a circulation pump (not shown), the lower portion of the lower cup 30 is provided with a circulating water outlet 31, the circulation pump draws the circulating water in the lower cup 30 from the water outlet 31 and sends the circulating water into the circulating water pipeline 40, and the tableware is washed by the circulating water, so as to achieve the purpose of recycling water resources.

As shown in fig. 2, 3 and 4, a flange 33 is provided on the inner sidewall of the lower cup 30 in the circumferential direction. In a second use state, as shown in fig. 2, the bead 21 overlaps the flange 33.

With such a structure, the second filter 20 can be conveniently matched with the launching cup 30. In addition, the separation and the matching of the second filter 20 and the launching cup 30 are easily realized by the structural mode, the switching between the first use state and the second use state is further facilitated, and the use by a user is facilitated.

As shown in fig. 3 and 4, the outer edge of the bead 21 is provided with a plurality of radially outward protrusions 23, and the top of the first filter 10 is provided with a plurality of filter residue holes 14 in the circumferential direction. In a first position of use, as shown in fig. 1 and 3, the projections 23 each project into the filter cake hole 14, and in a second position of use, as shown in fig. 2, the projections 23 overlap the flange 33. With this structure, the interference of the projection 23 with the first filter 10 can be avoided, and the influence of the projection 23 on the first use state can be avoided. The plurality of protruding parts 23 respectively extend into the filter residue holes 14, so that the second filter can be circumferentially positioned, and the washing performance of the dish washing machine is ensured.

In one embodiment, the number of the flanges 33 may correspond to the number of the protrusions 23, for example, a plurality of flanges 33 are circumferentially provided on the inner sidewall of the lower cup 30, and the flanges 33 are provided corresponding to the protrusions 23.

In the present embodiment, as shown in fig. 2, the flange 33 is a closed ring shape disposed along the circumferential direction on the inner sidewall of the lower cup 30. Thus, when the beading 21 overlaps the flange 33, the residue in the water tank can be blocked from directly entering the lower cup 30 through the gap between the beading 21 and the flange 33.

In another embodiment, the flange 33 is a closed ring shape circumferentially disposed on the inner sidewall of the lower cup 30, and in the second use state, the protrusion 23 overlaps the flange 33, and the bead 21 does not overlap the flange 33. The outside diameter of the bead 21 is sized to match the size of the channel defined by the flange 33 so that the outer edge of the bead 21 matingly engages the inside edge of the flange 33 to block debris in the sink from entering the lower cup 30 through the gap between the bead 21 and the flange.

As shown in fig. 2, in the second use state, that is, the dishwasher is used as a general water tank, water containing residue in the water tank passes through the drain port, and then enters the second filter 20 to be roughly filtered, and the second filter 20 filters large residue and the like and then discharges residual water into the drain cup 30. In order to realize the dish washing function, the lower part of the lower water cup 30 is provided with a circulating water outlet 31, and in order to prevent the residue in the lower water cup from entering the circulating water channel in the second use state, a filtering structure 32 is arranged at the water outlet 31. Therefore, when the dishwasher is used as a common water tank, the filtering structure 32 can prevent larger particles in the lower water cup 30 from entering the circulating water pipeline through the water outlet 31, and the influence of the larger particles on the dish washing function is avoided.

In one embodiment, the filter structure 32 is a mesh structure disposed between the outlet 31 and the interior of the lower cup 30. The filter structure 32 may be integrated with the lower cup 30 or may be separated from the lower cup 30. The filter structure 32 is provided with a plurality of meshes 321, and the aperture of the meshes 321 is smaller than that of the water outlet of the spray arm. Therefore, the diameter of small particles entering the circulating water pipeline through the filtering structure cannot be larger than the aperture of the water outlet, so that when the circulating water is adopted for washing, the small particles can be smoothly discharged through the spray arm, the spray arm cannot be blocked, and the work of the spray arm cannot be influenced. In one embodiment, the mesh 321 has a pore size of 2mm to 4mm, and the filtering structure 32 filtersArea of 300mm²~1500mm²。

In order to prevent the flange 33 from interfering with the first use state, as shown in fig. 1, the flange 33 is located below the step surface 11, that is, the flange 33 is located in a region corresponding to the second outer side wall of the first filter 10. Thus, when the first filter is mounted to the lower cup, the flange 33 does not interfere with the mounting of the first filter, thereby avoiding the flange from affecting the first use condition.

It will be readily appreciated that in the first condition of use, the spray arm assembly 50 needs to be connected to the circulating water conduit 40 as shown in figure 1. Whereas in the second use condition, the sink function, it is necessary to remove the spray arm assembly 50 from the circulating water conduit. Therefore, in one embodiment, the spray arm assembly 50 is detachably connected to the circulation water pipe 40, which facilitates the separation and connection of the spray arm assembly 50 from the circulation water pipe 40, and when the dishwasher is used for a dish washing function, the spray arm assembly 50 is connected to the circulation water pipe 40; when the dishwasher is used as a general sink function, the spray arm assembly 50 is detached from the circulating water pipe 40, as shown in fig. 2, to facilitate switching between the first use state and the second use state, further facilitating the use of the user.

When the spray arm assembly 50 is detached from the circulating water pipe 40, in order to prevent water containing large particle residues in the water tank from entering the circulating water pipe 40, a check structure 60 is provided in the circulating water pipe 40, as shown in fig. 1 and 2, in fig. 1, the check structure 60 is in a closed state. When the circulating water pipe supplies water to the spray arm assembly 50, the check structure 60 is opened, so that the circulating water enters the spray arm assembly 50 for water spraying and washing; when the circulating water pipe 40 stops supplying water to the spray arm assembly 50 (at which time the dishwasher may be in a dishwashing functional state or a tub functional state without washing), the check structure 60 is closed.

The arrangement of the check structure 60, when the dishwasher is in the functional state of the water tank, the spray arm assembly is detached from the circulating water pipeline 40, the circulating water pipeline 40 does not supply water to the spray arm assembly any more, and the check structure 60 is closed. After the non-return structure 60 is closed, the water containing the residue in the water tank cannot enter the circulating water pipeline 40, so that the residue in the water tank cannot enter the circulating water channel, the influence on the first use state is avoided, and the successful conversion from the first use state to the second use state is realized.

Fig. 5 is a schematic structural view of a water discharge cup and a drain port in one embodiment, and fig. 6 is a schematic structural view of a water discharge cup and a drain port in another embodiment. It will be readily appreciated that the gully apertures of the troughs are typically 90mm and 120mm in size. In order to make the water tank type dish washing machine of the embodiment of the present invention is suitable for the drainage openings with different sizes, as shown in fig. 5, the dish washing machine further comprises an adapter ring 70, and the drainage cup 30 is connected with the drainage openings with different sizes through the adapter ring 70. In fig. 5, the drain opening has a larger size, and the drain cup 30 needs to be connected with the drain opening in a matching way through the adapter ring 70, while in fig. 6, the size of the drain opening is matched with that of the drain cup, and the adapter ring is not needed, so that in fig. 6, the drain cup 30 is directly connected with the drain opening in a matching way. The setting of adapter ring 70 makes the utility model discloses a basin formula dish washer can be applicable to not unidimensional lower mouth of a river basin, has enlarged dish washer's range of application.

As shown in fig. 5 and 6, the lower cup 30 includes a first division 34 and a second division 35 which are connected to each other in an axial direction. The first split body 34 is connected to the lower nozzle from top to bottom, the second split body 35 is connected to the lower end of the first split body 34 from top to bottom, and the flange 33 is arranged on the first split body 34.

The lower water cup 30 with the structure facilitates the installation of the lower water cup 30, and the drift diameter of the second branch body 35 can be set to be larger than that of the first branch body 34, so that the volume of the lower water cup 30 can be increased, and the collection amount of circulating water is increased.

FIG. 7 is an exploded view of the launch cup installation. As shown in fig. 1 and 2, the dishwasher may further include a fixing structure 80, the fixing structure 80 being used to fix the first division 34 at the drain opening of the sump to enable connection of the first division 34 with the drain opening. As shown in fig. 1, 2 and 7, the fixing structure 80 includes a fixing metal plate 81, a sealing metal plate 82 and a first seal ring 83. First sealing washer 83 laminating is in the below of the mouth of a river down, and sealed panel beating 82 sets up in the below of first sealing washer 83, and fixed panel beating 81 sets up in the below of sealed panel beating 82, and fixed knot constructs 80 installation back, and first sealing washer 83 can realize the sealing connection of first components of a whole that can function independently 34 with the mouth of a river down, avoids leaking between first components of a whole that can function independently 34 and the mouth of a river down.

As shown in fig. 5 and 7, the adapter ring 70 is annular stepped, and the adapter ring 70 has a first annular wall 71 at the outer periphery and a second annular wall 72 at the inner periphery. The first annular wall 71 is in overlapping connection with the edge of the drain opening, and the drain cup 30 is in overlapping connection with the second annular wall 72. In order to prevent water leakage between the adapter ring 70 and the drain opening and between the adapter ring 70 and the drain cup, the dishwasher further comprises a second sealing ring 91 arranged between the first annular wall 71 and the drain opening, and a third sealing ring 92 arranged between the first and second split bodies 34, 72. Therefore, when the lower water cup is matched and connected with the lower water openings with different sizes through the adapter ring 70, water leakage at the upper side and the lower side of the adapter ring 70 can be avoided, and the tightness of connection between the lower water cup and the lower water openings is guaranteed.

As shown in fig. 6, when the size of the lower nozzle matches the size of the lower cup, the adapter ring is no longer needed, and the first split body 34 is directly connected with the edge of the lower nozzle in an overlapping manner. At this time, in order to ensure the sealing performance between the first sub-body 34 and the drain, a third sealing ring 92 is arranged between the first sub-body 34 and the drain to ensure the sealing performance between the drain cup and the drain.

This basin formula dish washer, when the second filter is in first user state, this dish washer has the function of washing the dishes, when the second filter is in the second user state, this dish washer has ordinary basin function, thereby, the user can switch the user state of second filter as required, so that make dish washer switch as required for function or basin function of washing the dishes, just so made things convenient for user's selection, satisfied the demand of user to two basins, greatly made things convenient for user's life.

In the description of the embodiments of the present invention, it should be understood that the terms "middle", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The sink type dish washing machine is characterized by further comprising a first filter and a second filter, wherein the second filter is provided with a first use state and a second use state, the first use state is matched with the lower water cup after the second filter is connected with the first filter, and the second use state is matched with the lower water cup.

2. The dishwasher of claim 1, wherein the inner side wall of the first filter is circumferentially provided with a step surface, the outer side wall of the second filter is circumferentially provided with a bead, the bead overlaps the step surface in the first use state, and the first filter is detachably arranged in the lower water cup.

3. The dishwasher of claim 2, wherein the step surface is a downward slope, the bead is matched with the step surface, and the bead overlaps the step surface under the self-weight of the second filter.

4. The dishwasher of claim 2, wherein the first filter comprises a first outer side wall positioned on the upper side of the step surface and a second outer side wall positioned on the lower side of the step surface, the first outer side wall is in matched abutting joint with the inner side wall of the lower water cup, and the bottom of the second outer side wall is fixed with the bottom of the lower water cup through a rotary buckle.

5. The dishwasher of claim 1, wherein the second filter has a bead circumferentially disposed on an outer sidewall thereof, the lower cup has a flange circumferentially disposed on an inner sidewall thereof, and the bead overlaps the flange in the second use state.

6. The dishwasher according to claim 5, wherein the lower cup comprises a first division and a second division which are connected with each other along an axial direction, the first division is connected to the lower water gap from top to bottom, the second division is connected with the lower end of the first division from bottom to top, and the flange is arranged on the first division.

7. The dishwasher of claim 5 wherein the outer edge of the bead is provided with a plurality of radially outwardly projecting tabs, the first filter top is circumferentially provided with a plurality of filter openings, the plurality of tabs each extend into the filter openings in the first use position, and the tabs overlap the flange in the second use position.

8. The dishwasher according to any one of claims 1 to 7, wherein the first filter and the second filter are respectively provided with filter holes, the filter holes of the second filter are larger than the filter holes of the first filter, the lower part of the lower water cup is provided with a circulating water outlet, and the water outlet is provided with a filter structure.

9. The dishwasher according to any one of claims 1 to 7, further comprising a circulating water pipe axially penetrating the first filter and the second filter and a spray arm assembly connected to the circulating water pipe in the first use state.

10. The dishwasher of claim 9, wherein the spray arm assembly is detachably connected to the circulating water pipe, a check structure is provided in the circulating water pipe, the check structure is opened when the circulating water pipe supplies water to the spray arm assembly, and the check structure is closed when the circulating water pipe stops supplying water to the spray arm.

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