CN116195944A - Cleaning machine - Google Patents

Abstract

The invention relates to a cleaning machine, which comprises a water tank body, wherein the bottom of the water tank body is provided with a water outlet and a water outlet cavity connected below the water outlet, and the cleaning machine also comprises a water return pipeline, a sealing cover, a first elastic piece, a bowl rack and a spray arm, wherein the bottom of the water tank body is provided with a water return port positioned beside the water outlet, and the water return pipeline is used for connecting the water outlet cavity with the water return port. According to the invention, the water return port and the water return pipeline are arranged at the bottom of the water tank body, when the water tank body is required to be used as a dish washer, the water discharging cavity is used as the water return cavity, water in the water discharging cavity flows back to the spray arm through the water return pipeline and the water return port to be sprayed out, and when the water tank body is required to be used as a common water tank, the water in the water discharging cavity is directly discharged into the water discharging pipe, so that the dish washer and the common water tank can be conveniently switched for use, and the use is convenient; compared with the prior common water tank, the water tank body is only provided with the water return port by modification, and has simple integral structure and low modification cost; the spray arm and the water return port are connected in a plug-in mode, so that the operation is convenient.

Description

Cleaning machine

Technical Field

The invention relates to the technical field of dish washers, in particular to a cleaning machine.

Background

Currently, most users' kitchens are generally provided with two sinks, and if a sink type dishwasher is installed, one of the sinks is used as a general sink and the other sink is used as a washing sink of the dishwasher. The spray system is arranged in the washing tank, and can not be used as a common water tank.

The applicant's prior application CN202010900533.0, "a washing basket and a sink using the same," discloses a structure that can be used as a dishwasher, and also as a general sink. The cleaning basket comprises a cleaning basket body with a cleaning cavity, the cleaning basket body is provided with a flow channel extending from the bottom to the side, the inner wall of the cleaning basket body is provided with a spray hole for spraying water in the flow channel, the bottom of the cleaning basket body is provided with a concave circular water drawing area which is communicated with the flow channel, and an impeller for pumping water at the bottom of the cleaning basket body into the flow channel is arranged in the water drawing area. When the water-sucking type cleaning basket is used, the impeller rotates to suck water at the bottom of the cleaning basket into the flow channel at the side part of the cleaning basket, and fruits, vegetables or dishes in the cleaning basket are further sprayed and cleaned through the spray holes; the cleaning basket is convenient to integrate with the water tank, the cleaning basket is placed in the water tank, the sealing cover is covered, the cleaning basket can be used as an automatic cleaning machine, the cleaning basket is taken out of the water tank when the cleaning basket does not need to be used as the cleaning machine, and the sealing cover is taken out simultaneously, so that the cleaning basket can be used as a common water tank.

The structure is very convenient when switching between the dish washer and the common water tank, but when the structure is used as the dish washer, a cleaning basket with a special structure is required to be equipped, and meanwhile, a driving mechanism with a complex structure is arranged at the bottom of the water tank, so that the whole structure is complex and the production cost is high; meanwhile, when the cleaning basket is used, the water flow system in the cleaning basket is independent of the water tank, so that the problems of difficult filtration and slag collection and inconvenient slag discharge exist.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a cleaning machine which integrates a water return system on the basis of keeping the original water tank shape, thereby simplifying the whole structure, reducing the cost and being convenient for switching between a dish washer and a common water tank.

The second technical problem to be solved by the invention is to provide a cleaning machine which is convenient for filtering and collecting slag aiming at the current state of the art.

The invention solves at least one of the technical problems by adopting the following technical proposal:

the utility model provides a cleaning machine, includes the basin body, the bottom of basin body is provided with down the mouth of a river and connects the lower water cavity under the mouth of a river down, still includes:

the bottom of the water tank body is provided with a water return port positioned beside the water outlet, and the water return pipeline is arranged outside the water tank body and is used for communicating the water outlet with the water return port;

the sealing cover can be arranged at the backwater port in a vertically movable manner and is used for opening or closing the backwater port;

the first elastic piece enables the sealing cover to always keep upward movement so as to close the water return port;

the bowl rack is used for containing tableware or fruits and vegetables;

the spray arm is arranged at the bottom of the bowl rack, when the bowl rack is placed in the water tank body, part of the spray arm penetrates through the water return port to be propped against the sealing cover, and the sealing cover moves downwards under the propping pressure of the spray arm so that the water return pipeline is communicated with the spray arm; under the state that the bowl rack is taken out from the water tank body, the sealing cover closes the water return opening under the drive of the first elastic piece.

Preferably, the upper part of the water return pipeline is a vertical part which extends downwards corresponding to the water return port, the sealing cover can be arranged in the vertical part in a vertically movable mode, and the elastic piece is arranged at the bottom of the sealing cover. The water return pipeline is not only used for returning water, but also provides an assembly space for the sealing cover and the elastic piece, and has a compact overall structure.

Preferably, the inner diameter of the vertical part of the water return pipeline is larger than the diameter of the water return port, and the top of the sealing cover is provided with a filling part which can be inserted with the water return port in a state that the water return port is closed. When the filling part is inserted into the water return port, the upper wall surface of the filling part is flush with the inner bottom wall of the water tank body so as to keep the integrity of the bottom wall of the original water tank and keep better water guiding, filtering and slag collecting effects.

Preferably, a guide limit groove extending vertically is formed in the inner wall of the vertical portion of the water return pipeline, and correspondingly, a stop block which can be matched with the guide limit groove and is propped against the bottom edge of the water return port in a closed state of the water return port is arranged on the peripheral wall below the filling portion. The structure can enable the sealing cover to move up and down stably, and limit the position of the sealing cover when the water return port is sealed.

Preferably, a positioning column corresponding to the upward extension of the water return port is arranged on the inner bottom wall of the water return pipeline, correspondingly, a guide sleeve capable of being inserted and matched with the positioning column is arranged at the lower part of the sealing cover, and the elastic piece is sleeved outside the positioning column and at least partially positioned in the guide sleeve. Preferably, the diameter of the upper part of the positioning column is smaller than that of the lower part so as to form a supporting table at the joint, the lower end of the elastic piece abuts against the supporting table, and the upper end of the elastic piece abuts against the inner top wall of the guide sleeve. The structure is favorable for improving the installation stability of the elastic piece and the sealing cover.

Preferably, the lower part of the water return pipeline is a horizontal part which is horizontally bent and extended from the lower end of the vertical part to one side, the vertical part and the horizontal part are in smooth transition, and the positioning column is arranged at the smooth transition part of the vertical part and the horizontal part. The positioning column can also play a role in guiding water upwards to a certain extent.

The cleaning machine further comprises a flow guide sleeve and a second elastic piece, wherein the bottom wall of the spray arm is provided with a water inlet, at least part of the flow guide sleeve can be restrained at the bottom of the spray arm in an up-down telescopic mode and is provided with an upper port which corresponds to the water inlet, and the second elastic piece enables the flow guide sleeve to always keep a downward extending trend. The structure can ensure that the spray arm is more reliably connected with the water return port and the water return pipeline in the use state, and avoid the problem of water leakage caused by insufficient installation.

Preferably, the bottom of the bowl rack is provided with a support leg which can enable the bowl rack to stand, the lower end of the guide sleeve is lower than the lower end of the support leg in a suspended state, and the guide sleeve is partially contracted in a state that the support leg is supported on a table top, so that the lower end of the guide sleeve is kept at the same height as the lower end of the support leg. The structure is convenient for providing a supporting function for the bowl rack when the bowl rack is used alone, and improves the standing stability of the bowl rack.

In order to be convenient for assemble and connect, the water conservancy diversion cover includes water conservancy diversion cover and lower water conservancy diversion cover, it is connected with the spray arm rotation to go up the water conservancy diversion cover, the restriction that lower water conservancy diversion cover can reciprocate is in the lower part of water conservancy diversion cover, the second elastic component is located between water conservancy diversion cover and the lower water conservancy diversion cover and is kept the trend of downward movement all the time to make lower water conservancy diversion cover.

Preferably, an assembly ring extending downwards around the water inlet is arranged on the bottom wall of the spray arm, the upper end of the upper diversion sleeve is connected with the assembly ring in an inserting and matching mode, and a first supporting table capable of supporting the bottom of the assembly ring is arranged on the peripheral wall of the upper diversion sleeve at a position close to the upper port. The top wall of the spray arm is provided with water spray holes with different spray directions, and the structure is convenient for realizing the rotation of the spray arm under the driving of water flow.

Preferably, the upper end of the upper flow guiding sleeve is provided with supporting ribs extending upwards at intervals, the top of each supporting rib is provided with a supporting platform, the top wall of the spray arm is provided with a mounting opening which can be connected with the supporting platform in a matched mode and is used for enabling the supporting platform to be exposed out of the top of the spray arm, and the supporting platform is restrained at the bottom of the bowl rack through an assembly part. By adopting the structure, the spray arm can be restrained at the bottom of the bowl rack under the condition of allowing the spray arm to rotate relative to the bowl rack.

In order to be convenient for retrain spray arm in bowl frame bottom, supporting platform's upper surface is provided with the dress that upwards extends, and is corresponding, the assembly part is provided with the grafting cover that can insert in the dress in top-down, it has the joint mouth to open on the lateral wall of dress, corresponding, be provided with the lug that can cooperate the joint with the joint mouth on the peripheral wall of grafting cover. Preferably, the assembly part is further provided with an outer sleeve surrounding the assembly part and the mounting opening, the outer peripheral wall of the outer sleeve is provided with a clamping hook extending outwards, and correspondingly, the bottom of the bowl rack is provided with a mounting strip for clamping the clamping hook.

Preferably, the upper flow guiding sleeve comprises a first inner sleeve and a first outer sleeve which are arranged at intervals inside and outside, the lower flow guiding sleeve comprises a second inner sleeve and a second outer sleeve which are arranged at intervals inside and outside, the first inner sleeve is in closed connection with the top of the first outer sleeve and in open connection with the lower end of the first outer sleeve, the second inner sleeve is in open connection with the upper end of the second outer sleeve and in closed connection with the lower end of the second outer sleeve, the second inner sleeve can be inserted into the first inner sleeve in an up-and-down moving mode, and the second outer sleeve can be inserted into the first outer sleeve in an up-and-down moving mode. The structure is favorable for providing a relatively closed inner cavity for the installation of the second elastic piece, and improves the assembly compactness.

For the assembly of being convenient for, be provided with the spacing mounting groove of vertical extension on the lateral wall of first overcoat, be provided with on the lateral wall of second overcoat can with this spacing mounting groove guide fit and restraint in this spacing mounting groove elasticity buckle.

Preferably, the lower end of the diversion sleeve is provided with a pressing part which can penetrate through the water return port to press the sealing cover downwards. The structure is convenient for synchronously realizing the pressing down of the sealing cover and the communication of the water return pipeline and the diversion sleeve after the bowl rack is placed in the water tank body.

Preferably, the pressing part comprises at least two guide arms extending from the inner wall surface of the lower end of the guide sleeve to the center from top to bottom, and the lower ends of the guide arms are smoothly connected through a circular ring. The guide arm plays a role in pressing the sealing cover and guiding the water, and is used for guiding the middle of the water return pipeline into the guide sleeve, so that energy loss is reduced.

Preferably, the slag collecting basket is arranged in the water discharging cavity, and the water discharging cavity is formed into a water returning cavity for supplying water to the spray arm in a state that the spray arm is connected with the water returning port relatively. The invention can properly make the sewer cavity large, and can be used as a filter screen plate on the basis of keeping the original water tank shape, and can be used for collecting slag, thereby simplifying the whole structure and being convenient to use.

Preferably, the bottom of the water discharging cavity is further provided with a water discharging mechanism for rapidly discharging water in the water discharging cavity, the bottom of the water discharging cavity is provided with a water discharging port, and the upper end of the water discharging mechanism is connected with the water discharging port. The structure is beneficial to discharging water rapidly, and achieves the effects that the water tank body has no residual water and keeps clean.

Preferably, a heating element for heating the water passing through the lower water cavity is arranged in the lower water cavity and/or on the peripheral wall of the lower water cavity. Further preferably, the outer peripheral wall of the water draining cavity is coated with a thick film heating element for heating the water passing through the water draining cavity. When the water tank body is used as a cleaning machine, the structure can rapidly heat backwater, so that the heating effect is improved; in addition, the thick film heating element wrapping the peripheral wall of the lower water cavity is adopted, so that the heating efficiency is improved, and the heat energy loss is reduced; the heating piece heats the slag collecting basket simultaneously, can also keep the slag collecting basket dry, sanitary, sterilizing and disinfecting, and avoids bacteria breeding.

In the invention, the water discharging cavity is connected with the water return pipeline through the water return driving mechanism. Thereby providing power for the spray arm to spray the water column.

Preferably, the backwater driving mechanism is a water pump, the side part of the lower water cavity is provided with a water guide pipe which is transversely arranged and connected with the water inlet end of the water pump, and the water outlet end of the water pump is positioned at the top of the water pump and is connected with the lower end of the backwater pipeline.

Preferably, the first end of the water guide pipe is tangentially connected with the side part of the lower water cavity, and the second end of the water guide pipe is connected with the water inlet end of the water pump. This structure is advantageous in reducing energy loss.

Preferably, the water guide pipe comprises a first section, a second section and a third section which are sequentially connected along the flow direction of water flow and have gradually increased diameters, the inner side part of the first section is formed on the inner wall of the lower water cavity and is communicated with the lower water cavity, the outer side part of the first section is protruded out of the lower water cavity, the second section is a conical section with gradually increased inner diameters, the part close to the water inlet end is integrally formed with the lower water cavity, and the third section is a straight barrel section. The structure is favorable for accelerating the water return speed.

Preferably, the inner side part of the first section of the water guide pipe and the water inlet end part of the second section of the water guide pipe are arranged corresponding to the side wall of the slag collecting basket. The side wall of the lower water cavity is also connected with a water inlet pipe, the water inlet pipe is tangentially connected with the lower water cavity, and the connection part of the water inlet pipe and the lower water cavity is oppositely arranged with the connection part of the water guide pipe and the lower water cavity, and the circulation direction is opposite. Opposite vortex is formed in the water inlet process and the water return process, on one hand, the formation of vortex is favorable for improving water inlet and water return efficiency, and on the other hand, the slag collecting basket placed in the water cup is flushed by the two opposite vortex, so that the self-cleaning effect can be achieved.

Preferably, the slag collecting basket is of a cylindrical structure with a closed lower end and an open top, and the diameter of the slag collecting basket gradually decreases from top to bottom. The structure is favorable for locking the residue at the bottom of the residue collecting basket, and improves the residue collecting effect.

Preferably, an end cover capable of opening or closing the upper port of the water outlet cavity is detachably arranged on the inner bottom wall of the water tank body. When not in use, the sewer mouth is closed to avoid the overflow of the peculiar smell in the sewer pipe.

Preferably, a diversion area which is partially recessed around the periphery of the water outlet is arranged on the inner bottom wall of the water tank body. The structure is favorable for improving slag collecting effect and water return speed.

Compared with the prior art, the invention has the advantages that: according to the invention, the water return port and the water return pipeline are arranged at the bottom of the water tank body, when the water tank body is required to be used as a dish washer, the bowl rack and the spray arm carried by the bowl rack are placed in the water tank body, the sealing cover is opened, the lower water cavity is used as the water return cavity, water in the lower water cavity flows back to the spray arm through the water return pipeline and the water return port to be sprayed out, when the water tank body is required to be used as a common water tank, the bowl rack and the spray arm carried by the bowl rack are taken out, the sealing cover is closed, and the water in the lower water cavity is directly discharged into the lower water pipe, so that the dish washer and the common water tank can be conveniently switched for use, and the water tank is convenient to use; compared with the prior common water tank, the water tank body is only provided with the water return port by changing, and has the advantages of simple integral structure and low transformation cost; the matching mode of the spray arm and the bowl rack as well as the water return port is convenient to operate.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention (as a dishwasher in use);

FIG. 2 is a schematic diagram of the structure of an embodiment of the present invention (as a common sink in use);

FIG. 3 is a schematic diagram of an embodiment of the present invention (in a non-use state);

FIG. 4 is a schematic diagram of an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 at another angle;

FIG. 6 is a cross-sectional view of FIG. 1;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is an assembly view of a bowl rack and a spray arm in an embodiment of the invention;

FIG. 9 is a schematic view of a spray arm configuration in accordance with an embodiment of the present invention;

FIG. 10 is a schematic view of the lower chamber portion of an embodiment of the present invention;

fig. 11 is another angle view of fig. 10.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 11, the cleaning machine of the present embodiment includes a water tank body 1, a return water pipe 14, a cover 5, a first elastic member 9, a bowl rack 100, and a shower arm 4.

Wherein, the bottom of the water tank body 1 is provided with a water outlet 11 and a water outlet 12 connected below the water outlet 11, the water outlet 12 is provided with a slag collecting basket 2, and the bottom of the water outlet 12 is provided with a water outlet 121.

As shown in fig. 4 and 6, the bottom of the water tank body 1 is further provided with a water return port 13 and a water return pipeline 14 connected below the water return port 13, the water return pipeline 14 is arranged outside the water tank body 1, and the water drain cavity 12 is connected with the water return pipeline 14 through a water return driving mechanism 3. When the water tank body 1 is required to be used as a dish washer, the water discharging cavity 12 is used as a water return cavity, and the water filtered by the slag collecting basket 2 in the water discharging cavity 12 is pumped into the water tank body 1 through the water return pipeline 14 and the water return port 13 by the water return driving mechanism 3; when the water tank body 1 is required to be used as a common water tank, the filtered and slag-collected water in the water discharging cavity 12 is directly discharged into the water discharging pipe through the water discharging outlet 121, so that the water tank is convenient to switch between the dish washer and the common water tank and convenient to use; compared with the existing common water tank, the water tank body 1 of the embodiment is changed to only be provided with the water return port 13, so that the overall structure is simple, and the transformation cost is low; in order to meet the requirements of the water return cavity, the water outlet cavity 12 can be properly enlarged, and the filtering and slag collection are more convenient.

The cover 5 is provided at the water return port 13 so as to be movable up and down, and is used for opening or closing the water return port 13. The bottom of the cover 5 is provided with a first elastic member 9 which keeps the cover 5 always moving upward so as to close the water return port 13. In the state that the spray arm 4 is inserted and connected with the water return port 13, the sealing cover 5 is pressed into the water return pipeline 14 by the spray arm 4, so that the spray arm 4 is communicated with the water return port 13, and in the state that the spray arm 4 is separated from the water return port 13, the sealing cover 5 closes the water return port 13 under the drive of the first elastic piece 9.

Specifically, the upper portion of the water return pipe 14 is a vertical portion 141 extending downward corresponding to the water return port 13, the cover 5 is disposed in the vertical portion 141 in a manner of being able to move up and down, and the first elastic member 9 is disposed at the bottom of the cover 5. The water return pipe 14 is not only used for water return, but also provides an assembly space for the sealing cover 5 and the first elastic piece 9, and has a compact overall structure.

The inner diameter of the vertical part 141 of the water return pipe 14 is larger than the diameter of the water return opening 13, the top of the sealing cover 5 is provided with a filling part 51 which can be inserted with the water return opening 13 under the condition that the water return opening 13 is closed, when the filling part 51 is inserted into the water return opening 13, the upper wall surface of the filling part 51 is flush with the inner bottom wall of the water tank body 1 so as to keep the integrity of the bottom wall of the original water tank and keep better water guide, filtration and slag collection effects. The inner wall of the vertical portion 141 of the water return pipe 14 is provided with a guiding and limiting groove 1411 extending vertically, and correspondingly, the outer peripheral wall below the filling part 51 is provided with a stop block 511 which can be matched with the guiding and limiting groove 1411 and is propped against the bottom edge of the water return port 13 in the closed state of the water return port 13. The structure can stabilize the up-and-down movement of the sealing cover 5, and limit the position of the sealing cover 5 when the water return port 13 is closed.

The inner bottom wall of the water return pipeline 14 is provided with a positioning column 140 which extends upwards corresponding to the water return port 13, correspondingly, the lower part of the sealing cover 5 is provided with a guide sleeve 54 which can be inserted and matched with the positioning column 140, and the first elastic piece 9 is a spring and is sleeved outside the positioning column 140 and at least partially positioned in the guide sleeve 54. The diameter of the upper part of the positioning column 140 is smaller than that of the lower part, so that a supporting table 143 is formed at the joint, the lower end of the first elastic piece 9 is propped against the supporting table 143, and the upper end is propped against the inner top wall of the guide sleeve 54. The above structure is advantageous in improving the mounting stability of the first elastic member 9 and the cover 5.

The lower part of the water return pipeline 14 is a horizontal part 142 which is horizontally bent and extended from the lower end of the vertical part 141 to one side, the vertical part 141 and the horizontal part 142 are in smooth transition, and the positioning column 140 is arranged at the smooth transition position of the vertical part 141 and the horizontal part 142. Where the positioning posts 140 may also function to direct the water flow upward to some extent.

In this embodiment, in a state where the shower arm 4 is connected to the water return port 13, the water discharge chamber 12 is configured as a water return chamber for supplying water to the shower arm 4. The embodiment can properly make the water discharging cavity 12 large, and is convenient for filtering and collecting slag on the basis of keeping the original water tank shape.

As shown in fig. 4, the backwater driving mechanism 3 of the present embodiment is a water pump, the side portion of the water discharging cavity 12 is provided with a water guide pipe 122 which is transversely arranged and connected with the water inlet end of the water pump 3, and the water outlet end of the water pump is located at the top thereof and connected with the lower end of the backwater pipe 14. The return conduit 14 is L-shaped and the upper section of the vertical arrangement is very short.

As shown in fig. 10 and 11, the first end of the water guide pipe 122 is tangentially connected to the side of the lower chamber 12, and the second end is connected to the water inlet end of the water pump. Specifically, the water conduit 122 includes a first section 1221, a second section 1222, and a third section 1223 that are sequentially connected along the flow direction of the water flow and have gradually increased diameters, wherein an inner portion of the first section 1221 is formed on an inner wall of the lower water chamber 12 and is communicated with the lower water chamber 12, an outer portion of the first section protrudes out of the lower water chamber 12, the second section 1222 is a tapered section having gradually increased inner diameters, a portion close to the water inlet end is integrally formed with the lower water chamber 12, and the third section 1223 is a straight section. The structure is favorable for accelerating the water return speed.

The inner part of the first section 1221 and the water inlet part of the second section 1222 of the water guide pipe 122 are arranged corresponding to the side wall of the slag collecting basket 2. The side wall of the lower water cavity 12 is also connected with a water inlet pipe 16, the water inlet pipe 16 is tangentially connected with the lower water cavity 12, and the connection part of the water inlet pipe 16 and the lower water cavity 12 is opposite to the connection part of the water guide pipe 122 and the lower water cavity 12 in the opposite flowing direction. The structure can respectively wash the two sides of the slag collecting basket 2 in the water inlet and water return processes so as to keep the slag collecting basket 2 clean.

The slag collecting basket 2 of the embodiment is of a cylindrical structure with a closed lower end and an open top, and the diameter of the slag collecting basket 2 gradually decreases from top to bottom. This structure is favorable to locking the residue in album sediment basket 2 bottom, improves album sediment effect. As shown in fig. 3, an end cap 6 capable of opening or closing the upper port of the lower water chamber 12 is detachably provided on the inner bottom wall of the water tank body 1. When not in use, the sewer outlet 11 is closed to avoid the overflow of the odor in the sewer pipe. The inner bottom wall of the water tank body 1 is provided with a diversion area 111 which is recessed around the peripheral part of the water drain port 11. The structure is favorable for improving slag collecting effect and water return speed.

The bottom of the lower water chamber 12 of the present embodiment is further provided with a drain mechanism 7 for rapidly draining water in the lower water chamber 12, and an upper end of the drain mechanism 7 is connected to the drain port 121. The drain mechanism 7 includes a drain pump 71 and a traction valve 72, and the traction valve 72 is connected between the drain port 121 and the drain pump 71. The structure is beneficial to quickly discharging water and realizes the effects that the water tank body 1 has no residual water and keeps clean.

In the present embodiment, as shown in fig. 4 and 5, a heating element 8 for heating water passing through the lower water chamber 12 is provided on the outer peripheral wall of the lower water chamber 12. The heating element 8 is a thick film heating element coated on the outer peripheral wall of the lower water cavity 12. When the water tank body 1 is used as a cleaning machine, the structure can rapidly heat backwater, so that the heating effect is improved; in addition, the thick film heating element wrapping the peripheral wall of the lower water cavity is adopted, so that the heating efficiency is improved, and the heat energy loss is reduced; the heating piece heats the slag collecting basket simultaneously, can also keep the slag collecting basket dry, sanitary, sterilizing and disinfecting, and avoids bacteria breeding.

The top of the water tank body 1 is provided with a door body which can be turned over and is used for opening or closing the top opening of the water tank body 1.

As shown in fig. 6 and 7, in the present embodiment, the bowl rack 100 is used for holding tableware or fruits and vegetables; the spray arm 4 is arranged at the bottom of the bowl rack 100, when the bowl rack 100 is placed in the water tank body 1, part of the spray arm 4 penetrates through the water return port 13 to be propped against the sealing cover 5, and the sealing cover 5 moves downwards under the propping pressure of the spray arm 4 so that the water return pipe 14 is communicated with the spray arm 4; when the bowl rack 100 is taken out from the water tank body 1, the cover 5 closes the water return port 13 by the drive of the first elastic member 9.

Specifically, a vertically extending guide sleeve 43 is arranged at the water inlet 41 of the spray arm 4, and the guide sleeve 43 is of a telescopic structure. At least part of the guide sleeve 43 can be restrained at the bottom of the spray arm 4 in an up-down telescopic way and is provided with an upper port which is arranged corresponding to the water inlet 13, and a second elastic piece 20 which enables the guide sleeve to always keep a downward stretching trend is arranged at the guide sleeve 43. The bottom of the bowl rack 100 is provided with a supporting leg 101 which can be used for standing, the lower end of the guide sleeve 43 is lower than the lower end of the supporting leg 101 in a suspended state of the supporting leg 101, and the guide sleeve 43 is partially contracted in a state that the supporting leg 101 is supported on a table surface, so that the lower end of the guide sleeve is kept at the same height as the lower end of the supporting leg 101. The structure can ensure that the spray arm 4 is more reliably connected with the water return port 13 and the water return pipeline 14 in the use state, thereby avoiding the problem of water leakage caused by insufficient installation; when the bowl shelf 100 is used alone, a supporting function is provided thereto, and standing stability of the bowl shelf 100 is improved.

In order to facilitate assembly and connection, the guide sleeve 43 comprises an upper guide sleeve 431 and a lower guide sleeve 432, the upper guide sleeve 431 is rotatably connected with the spray arm 4, the lower guide sleeve 432 can be restrained at the lower part of the upper guide sleeve 431 in a vertically movable manner, and the second elastic piece 20 is arranged between the upper guide sleeve 431 and the lower guide sleeve 432 and keeps the downward movement trend of the lower guide sleeve 432 all the time.

The bottom wall of the spray arm 4 is provided with an assembly ring 411 extending downwards around the water inlet 41, the upper end of the upper diversion sleeve 431 is connected with the assembly ring 411 in an inserting mode, and the peripheral wall of the upper diversion sleeve 431 is provided with a first supporting table 4311 which can support the bottom of the assembly ring 411 at a position close to the upper port. The top wall of the spray arm 4 is provided with spray holes 42 with different spray directions, and the structure is convenient for realizing the rotation of the spray arm 4 under the drive of water flow.

The upper end of the upper flow guiding sleeve 431 is provided with supporting ribs 4312 extending upwards at intervals, the top of the supporting ribs 4312 is provided with a supporting platform 4313, the top wall of the spray arm 4 is provided with a mounting opening 44 which can be matched and connected with the supporting platform 4313 and is used for exposing the supporting platform 4313 at the top of the spray arm 4, and the supporting platform 4313 is restrained at the bottom of the bowl rack 100 through an assembly part 45. With the above structure, it is possible to restrain the shower arm 4 at the bottom of the bowl rack 100 in a state in which the shower arm 4 is allowed to rotate with respect to the bowl rack 100.

In order to facilitate restraining the spray arm 4 at the bottom of the bowl rack 100, the upper surface of the supporting platform 4313 is provided with an upwardly extending assembly sleeve 4314, correspondingly, the assembly 45 is provided with a plug sleeve 451 which can be inserted into the assembly sleeve 4314 from top to bottom, the side wall of the assembly sleeve 4314 is provided with a clamping interface 4310, and correspondingly, the peripheral wall of the plug sleeve 451 is provided with a protruding block 4512 which can be matched and clamped with the clamping interface 4511. The assembly part 45 is further provided with an outer sleeve 452 enclosing the assembly sleeve 4314 and the mounting opening 44, the outer peripheral wall of the outer sleeve 452 is provided with a clamping hook 4521 extending outwards, and correspondingly, the bottom of the bowl rack 100 is provided with a mounting strip 102 for clamping the clamping hook 4521 therein.

The upper diversion sleeve 431 comprises a first inner sleeve 4315 and a first outer sleeve 4316 which are arranged at intervals inside and outside, the lower diversion sleeve 432 comprises a second inner sleeve 4321 and a second outer sleeve 4322 which are arranged at intervals inside and outside, the first inner sleeve 4315 is in closed connection with the top of the first outer sleeve 4316 and in open connection with the lower end, and the second inner sleeve 4321 is in open connection with the upper end and in closed connection with the lower end of the second outer sleeve 4322. The second inner case 4321 is inserted in the first inner case 4315 to be movable up and down, and the second outer case 4322 is inserted in the first outer case 4316 to be movable up and down. This configuration advantageously provides a relatively closed cavity for installation of the second resilient member 20, improving assembly compactness.

In order to facilitate assembly, a vertically extending limit mounting groove 4317 is provided on a side wall of the first outer sleeve 4315, and an elastic buckle 4323 capable of guiding and cooperating with the limit mounting groove 4317 and restraining in the limit mounting groove 4317 is provided on a side wall of the second outer sleeve 4322.

The lower end of the guide sleeve 43 is provided with a pressing portion 434 capable of pressing the cover 5 downward through the water return port 13. This structure facilitates to simultaneously realize the pressing down of the cover 5 and the communication of the return water pipe 14 with the guide sleeve 43 after the bowl rack 100 is put into the tub body 1. The pressing portion 434 includes four guide arms 4341 extending from top to bottom from the inner wall surface of the lower end of the guide sleeve 43 toward the center, and the lower ends of the guide arms 4341 are smoothly connected through a circular ring 4342. The guiding arm 4341 plays a role in pressing the sealing cover 5 and guiding at the same time, and is used for guiding the middle of the water return pipeline 14 into the guiding sleeve 43, so that energy loss is reduced.

When the cleaning machine of the embodiment is used, and the water tank body 1 is required to be used as a common water tank, the bowl rack 100 and the spray arm 4 are taken away, the sealing cover 5 automatically moves upwards to seal the water return opening 13 under the action of the first elastic piece 9, at the moment, the upper wall surface of the sealing cover 5 forms a part of the lower wall surface of the water tank body 1, the integral shape of the water tank body 1 is the same as the shape of the common water tank, and washing water is filtered by the slag collecting basket 2, collected slag and discharged into a sewer pipe through the water outlet 121; when the water tank body 1 is required to be used as a dish washer, the bowl rack 100 and the spray arm 4 are installed in the water tank body 1, the sealing cover 5 moves downwards under the pressing force of the pressing part 434 at the bottom of the spray arm 4 to open the water return port 13, the water return pipeline 14 is communicated with the spray arm 4, spray cleaning can be realized under the action of the water return driving mechanism 3, and finally water after cleaning is discharged into the sewer pipe through the water outlet 12.

In the description and claims of the present invention, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the invention may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims (30)

1. The utility model provides a cleaning machine, includes basin body (1), the bottom of basin body (1) is provided with down mouth of a river (11) and connects lower water cavity (12) under down mouth of a river (11), its characterized in that: and also comprises

The water return pipeline (14) is arranged at the bottom of the water tank body (1) and is provided with a water return port (13) positioned beside the water outlet (11), and the water return pipeline (14) is arranged outside the water tank body (1) and is used for communicating the water outlet (12) with the water return port (13);

the sealing cover (5) is arranged at the water return port (13) in a vertically movable manner and is used for opening or closing the water return port (13);

a first elastic member (9) for keeping the cover (5) always moving upward to close the water return port (13);

a bowl rack (100) for holding tableware or fruits and vegetables;

the spray arm (4) is arranged at the bottom of the bowl frame (100), when the bowl frame (100) is placed in the water tank body (1), part of the spray arm (4) penetrates through the water return opening (13) to be pressed against the sealing cover (5), and the sealing cover (5) moves downwards under the pressing of the spray arm (4) so that the water return pipeline (14) is communicated with the spray arm (4); when the bowl rack (100) is taken out of the water tank body (1), the sealing cover (5) closes the water return opening (13) under the drive of the first elastic piece (9).

2. The cleaning machine of claim 1, wherein: the upper part of the water return pipeline (14) is a vertical part (141) which extends downwards corresponding to the water return port (13), the sealing cover (5) can be arranged in the vertical part (141) in a vertically movable mode, and the first elastic piece (9) is arranged at the bottom of the sealing cover (5).

3. The cleaning machine of claim 2, wherein: the inner diameter of the vertical part (141) of the water return pipeline (14) is larger than the diameter of the water return port (13), and a filling part (51) which can be inserted with the water return port (13) in a state that the water return port (13) is closed is arranged at the top of the sealing cover (5).

4. A cleaning machine as claimed in claim 3, wherein: the inner wall of the vertical part (141) of the water return pipeline (14) is provided with a guide limit groove (1411) which extends vertically, and correspondingly, the outer peripheral wall below the filling part (51) is provided with a stop block (52) which can be matched with the guide limit groove (1411) and is propped against the bottom edge of the water return port (13) in the closed state of the water return port (13).

5. The cleaning machine of claim 2, wherein: the inner bottom wall of the water return pipeline (14) is provided with a positioning column (140) which extends upwards corresponding to the water return port (13), correspondingly, the lower part of the sealing cover (5) is provided with a guide sleeve (54) which can be inserted with the positioning column (140), and the first elastic piece (9) is sleeved outside the positioning column (140) and at least partially positioned in the guide sleeve (54).

6. The cleaning machine of claim 5, wherein: the diameter of the upper part of the positioning column (140) is smaller than that of the lower part, so that a supporting table (143) is formed at the joint, the lower end of the first elastic piece (9) is propped against the supporting table (143), and the upper end of the first elastic piece is propped against the inner top wall of the guide sleeve (54).

7. The cleaning machine of claim 5, wherein: the lower part of the water return pipeline (14) is a horizontal part (142) which is horizontally bent and extended from the lower end of the vertical part (141) to one side, the vertical part (142) and the horizontal part (142) are in smooth transition, and the positioning column (140) is arranged at the smooth transition position of the vertical part (141) and the horizontal part (142).

8. The cleaning machine of any one of claims 1-7, wherein: the shower arm further comprises a diversion sleeve (43) and a second elastic piece (20), a water inlet (41) is formed in the bottom wall of the shower arm (4), at least part of the diversion sleeve (43) can stretch up and down and is restrained at the bottom of the shower arm (4) and is provided with an upper port corresponding to the water inlet (41), and the diversion sleeve (43) always keeps downward stretching trend due to the second elastic piece (20).

9. The cleaning machine of claim 8, wherein: the bottom of bowl frame (100) is provided with stabilizer blade (101) that enable it to stand, in stabilizer blade (101) unsettled state, the lower extreme height of water conservancy diversion cover (43) is less than the lower extreme height of stabilizer blade (101), in stabilizer blade (101) support under the mesa state, thereby water conservancy diversion cover (43) local shrink makes its lower extreme and stabilizer blade (101) lower extreme keep the same height.

10. The cleaning machine of claim 8, wherein: the flow guiding sleeve (43) comprises an upper flow guiding sleeve (431) and a lower flow guiding sleeve (432), the upper flow guiding sleeve (431) is rotationally connected with the spray arm, the lower flow guiding sleeve (432) can move up and down and is restrained at the lower part of the upper flow guiding sleeve (431), and the second elastic piece (20) is arranged between the upper flow guiding sleeve (431) and the lower flow guiding sleeve (432) and keeps the downward movement trend of the lower flow guiding sleeve (432) all the time.

11. The cleaning machine of claim 10, wherein: the bottom wall of the spray arm (4) is provided with an assembly ring (411) which extends downwards around the upper diversion sleeve (41) of the water inlet, the upper end of the upper diversion sleeve (431) is connected with the assembly ring (411) in an inserting mode, and the peripheral wall of the upper diversion sleeve (431) is provided with a first supporting table (4311) which can support the bottom of the assembly ring (411) at a position close to the upper port.

12. The cleaning machine of claim 11, wherein: the upper end of the upper flow guiding sleeve (431) is provided with supporting ribs (4312) extending upwards at intervals, the top of each supporting rib (4312) is provided with a supporting platform (4313), the top wall of the spray arm (4) is provided with a mounting opening (44) which can be matched and connected with the supporting platform (4313) and is used for exposing the supporting platform (4313) to the top of the spray arm (4), and the supporting platform (4313) is restrained at the bottom of the bowl frame (100) through an assembly part (45).

13. The cleaning machine of claim 12, wherein: the upper surface of supporting platform (4313) is provided with the dress cover (4314) that upwards extends, correspondingly, the assembly part (45) is provided with grafting cover (451) that can top-down insert in the dress cover, it has joint mouth (4310) to open on the lateral wall of dress cover (4314), correspondingly, be provided with on the periphery wall of grafting cover (451) can with lug (4512) of joint cooperation joint of joint mouth (4310).

14. The cleaning machine of claim 13, wherein: the bowl rack is characterized in that the assembly part (45) is further provided with a jacket (452) which surrounds the assembly part (4313) and the mounting opening (44), the peripheral wall of the jacket (452) is provided with a clamping hook (4521) which extends outwards, and correspondingly, the bottom of the bowl rack (100) is provided with a mounting strip (102) for clamping the clamping hook (4521) therein.

15. The cleaning machine of claim 10, wherein: the upper diversion sleeve (431) comprises a first inner sleeve (4315) and a first outer sleeve (4316) which are arranged at intervals inside and outside, the lower diversion sleeve (432) comprises a second inner sleeve (4321) and a second outer sleeve (4322) which are arranged at intervals inside and outside, the first inner sleeve (4315) is in closed connection with the top of the first outer sleeve (4316) and in open connection with the lower end, the second inner sleeve (4321) is in open connection with the upper end of the second outer sleeve (4322) and in closed connection with the lower end, the second inner sleeve (4321) can be inserted in the first inner sleeve (4315) in an up-and-down moving mode, and the second outer sleeve (4322) can be inserted in the first outer sleeve (4316) in an up-and-down moving mode.

16. The cleaning machine of claim 15, wherein: the side wall of the first outer sleeve (4316) is provided with a limiting installation groove (4317) which extends vertically, and the side wall of the second outer sleeve (4322) is provided with an elastic buckle (4323) which can be matched with the limiting installation groove (4317) in a guiding way and is restrained in the limiting installation groove (4317).

17. The cleaning machine of claim 8, wherein: the lower end of the diversion sleeve (43) is provided with a pressing part (434) which can penetrate through the water return port (13) to press the sealing cover (5) downwards.

18. The cleaning machine of claim 17, wherein: the pressing part (434) comprises at least two guide arms (4341) extending from the inner wall surface of the lower end of the guide sleeve (43) to the center from top to bottom, and the lower ends of the guide arms (4341) are smoothly connected through a circular ring (4342).

19. The cleaning machine of any one of claims 1-7, wherein: the slag collecting basket (2) is arranged in the lower water cavity (12), and the lower water cavity (12) forms a water return cavity for supplying water to the spray arm (4) in a state that the spray arm (4) is connected with the water return port (13) relatively.

20. The cleaning machine of claim 19, wherein: the bottom of the lower water cavity (12) is also provided with a water draining mechanism (7) for rapidly draining water in the lower water cavity (12), the bottom of the lower water cavity (12) is provided with a water draining port (121), and the upper end of the water draining mechanism (7) is connected with the water draining port (121).

21. The cleaning machine of claim 19, wherein: a heating element (8) for heating the water passing through the lower water cavity (12) is arranged in the lower water cavity (12) and/or on the peripheral wall of the lower water cavity (12).

22. The cleaning machine of any one of claims 1-7, wherein: the lower water cavity (12) is connected with the water return pipeline (14) through a water return driving mechanism (3).

23. The cleaning machine of claim 22, wherein: the water return driving mechanism (3) is a water pump, the side part of the water discharging cavity (12) is provided with a water guide pipe (122) which is transversely arranged and connected with the water inlet end of the water pump, and the water outlet end of the water pump is positioned at the top of the water pump and is connected with the lower end of the water return pipeline (14).

24. The cleaning machine of claim 23, wherein: the first end of the water guide pipe (122) is tangentially connected with the side part of the water discharging cavity (12), and the second end of the water guide pipe is connected with the water inlet end of the water pump.

25. The cleaning machine of claim 24, wherein: the water guide pipe (122) comprises a first section (1221), a second section (1222) and a third section (1223) which are sequentially connected along the flow direction of water flow and have gradually increased diameters, the inner side part of the first section (1221) is formed on the inner wall of the lower water cavity (12) and is communicated with the lower water cavity (12), the outer side part of the first section is protruded out of the lower water cavity (12), the second section (1222) is a conical section with gradually increased inner diameters, the part close to the water inlet end is integrally formed with the lower water cavity (12), and the third section (1223) is a straight barrel section.

26. The cleaning machine of claim 25, wherein: the slag collecting basket (2) is arranged in the lower water cavity (12), and the inner side part of the first section (1221) of the water guide pipe (122) and the water inlet end part of the second section (1222) are arranged corresponding to the side wall of the slag collecting basket (2).

27. The cleaning machine of claim 26, wherein: the side wall of the lower water cavity (12) is also connected with a water inlet pipe (16), the water inlet pipe (16) is tangentially connected with the lower water cavity (12), and the connection part of the water inlet pipe (16) and the lower water cavity (12) is opposite to the connection part of the water guide pipe (122) and the lower water cavity (12) in relative arrangement and circulation direction.

28. The cleaning machine of claim 26, wherein: the slag collecting basket (2) is of a cylindrical structure with a closed lower end and an open top, and the diameter of the slag collecting basket (2) is gradually reduced from top to bottom.

29. The cleaning machine of any one of claims 1-7, wherein: an end cover (6) capable of opening or closing the upper port of the water discharging cavity (12) is detachably arranged on the inner bottom wall of the water tank body (1).

30. The cleaning machine of any one of claims 1-7, wherein: the inner bottom wall of the water tank body (1) is provided with a diversion area (111) which is recessed around the peripheral part of the water outlet (11).

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