CN116195941A - 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 floating ball, 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 is pressed by the bowl frame and communicated with the water return port, 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, the water return pipeline is arranged outside the water tank body and is used for communicating the water outlet cavity with the water return port, and the inner diameter of the water return pipeline at the position close to the water return port is increased to form a diversion cavity;

the floating ball is arranged in the water return pipeline and can move upwards into the diversion cavity under the impact of water flow so as to communicate the water return pipeline with the water return port, and the floating ball falls into the water return pipeline under the impact of no water flow so as to partition the water return pipeline;

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

the bowl rack is arranged in the water tank body, the bowl rack is arranged at the bottom of the bowl rack, the water inlet of the bowl rack is communicated with the water return port, the bowl rack is taken out from the water tank body, and the water return pipeline is kept in a separation state under the action of the floating ball.

Preferably, a square upper cover is arranged in the diversion cavity, a gap for water to flow is formed between the edge of the upper cover and the inner wall of the diversion cavity, and the lower wall surface of the upper cover is a first arc-shaped surface which can be matched and contacted with the upper surface of the floating ball. By adopting the upper cover in the shape, the first arc-shaped surface is utilized to limit the floating ball which floats upwards, and the floating ball can be firmly locked in the concave cavity at the bottom of the upper cover, so that the floating ball is prevented from floating under the impact of water flow to influence the water return speed.

Preferably, the upper wall surface of the upper cover is a second arc surface corresponding to the first arc surface, the outer edge of the first arc surface is connected with the outer edge of the second arc surface through a vertically arranged guide surface, and in the contact and matching state of the top of the floating ball and the first arc surface, the outer surface of the floating ball, the guide surface and the second arc surface jointly form a guide structure capable of guiding water to the central part of the water return port from bottom to top. The structure can make the flow channel around the floating ball uniform and smooth, so as to reduce energy loss and maintain higher water pressure.

Preferably, the flow guiding cavity comprises a straight cylinder section and a conical section which are mutually connected from top to bottom, the inner diameter of the conical section gradually decreases from top to bottom, the diameter of the floating ball is matched with the inner diameter of the lower port of the conical section, and the guiding surface is aligned with the inner wall of the lower port of the conical section. The structure is favorable for further improving the flow guiding effect of the flow guiding structure.

In order to facilitate the installation of the upper cover, the inner wall of the flow guide cavity is provided with at least two connecting ribs which are arranged at intervals along the radial direction, and the upper cover is arranged at the central part of the connecting ribs.

The invention also comprises a flow guiding sleeve and a connecting component, wherein the flow guiding sleeve is arranged on the bottom wall of the spray arm and corresponds to the water return port, and the connecting component is of a structure capable of connecting the spray arm to the bottom of the bowl rack in an up-and-down telescopic manner. 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 support leg is supported on the table top, and the connecting component is partially contracted so that the lower end of the guide sleeve and the lower end of the support leg are kept at the same height. 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.

Preferably, the bottom wall of the spray arm is provided with a mounting sleeve extending downwards along the water inlet, the upper part of the flow guiding sleeve is a plug-in part inserted in the mounting sleeve, and the lower part of the flow guiding sleeve is a supporting part which can be abutted against the inner bottom wall of the water tank body and is arranged around the periphery of the water return port. Preferably, an annular groove is arranged on the outer circumferential wall of the plug-in part along the circumferential direction, and correspondingly, a convex ring which is rotationally restrained in the reversing groove is arranged on the inner circumferential wall of the mounting sleeve. The structure is convenient for arranging the spray arm on the mounting sleeve in a rotatable manner.

Preferably, the bottom wall of the supporting part is provided with a containing groove, and a sealing ring which can prop against the inner bottom wall of the water tank body is embedded in the containing groove. Under the condition that the water tank body is used as a dish washer, the structure can improve the tightness and avoid water leakage at the water return port.

In order to facilitate the restraint of the connection assembly to the spray arm and yet permit the spray arm to rotate relative to the connection assembly, the upper end of the plug-in portion is provided with an upwardly extending support arm, the top of which is provided with a mounting table disposed proximate the top wall of the spray arm, the mounting table being connected to the connection assembly by screws passing through the top wall of the spray arm.

Preferably, the connecting assembly comprises an upper connecting sleeve, a lower connecting sleeve and an elastic piece, wherein a clamping groove capable of being connected with the bottom of the bowl rack is formed in the top of the upper connecting sleeve, the lower connecting sleeve can be restrained at the bottom of the upper connecting sleeve in a vertically movable mode, and the elastic piece enables the lower connecting sleeve to always keep a downward movement trend. The structure is convenient for realizing the extension and retraction of the connecting component and the detachable connection with the bowl rack.

Preferably, a guide post extending downwards is arranged on the inner top wall of the upper connecting sleeve, correspondingly, a guide sleeve capable of moving up and down is arranged in the lower connecting sleeve, the guide post is matched with the guide sleeve in a guide way, the elastic piece is sleeved on the periphery of the guide post and the guide sleeve, the upper end of the elastic piece is propped against the inner top wall of the upper connecting sleeve, and the lower end of the elastic piece is propped against the lower connecting sleeve. Preferably, the bottom of lower adapter sleeve is provided with the guide space of undercut, the lower part of uide bushing can reciprocate the constraint in this guide space, upper portion pass the guide space top and with the guide post direction cooperation, be provided with the limit structure that can place the two and break away from each other between the bottom of uide bushing and the lower extreme of guide post. Preferably, the upper connecting sleeve is inserted in the lower connecting sleeve, the inner wall surface of the lower connecting sleeve is provided with guide ribs which are vertically arranged, and correspondingly, the outer wall surface of the upper connecting sleeve is provided with guide grooves which can be in guide fit with the guide ribs. The telescopic stability and the connection reliability between the upper connecting sleeve and the lower connecting sleeve are improved.

Preferably, the side wall of the lower connecting sleeve is also provided with an overflow port which is arranged close to the bottom wall. The structure can drain accumulated water in the lower connecting sleeve.

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 frame and the spray arm carried by the bowl frame are placed into the water tank body, the water outlet cavity is used as the water return cavity, along with the impact of water flow, the floating ball moves upwards into the flow guide cavity to enable the water return pipeline to be smooth, water in the water outlet 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 frame and the spray arm carried by the bowl frame are taken out, the floating ball falls to the lower part of the water return pipeline due to self weight to cut off the water return pipeline, and the water in the water outlet cavity is directly discharged into the water outlet 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 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 cross-sectional view of an embodiment of the present invention (as in a dishwasher 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 an upper portion of a return line in an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 3;

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 float 5, 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.

As shown in fig. 3, 6 and 7, the inner diameter of the return water pipe 14 of the present embodiment is increased near the return water port 13 to form a diversion cavity 140, and the floating ball 5 is disposed in the return water pipe 14 and can move upwards into the diversion cavity 140 under the impact of water flow so as to communicate the return water pipe 14 with the return water port 13, and drop into the return water pipe 14 under the impact of no water flow so as to isolate the return water pipe 14. The bowl shelf 100 is used to hold tableware or fruits and vegetables. The spray arm 4 is arranged at the bottom of the bowl frame 100, the bottom of the spray arm 4 is provided with a water inlet 41, the top of the spray arm 4 is provided with a water spraying hole 42, the water inlet 41 of the spray arm 4 is communicated with a water return opening 13 when the bowl frame 100 is placed in the water tank body 1, and the water return pipeline 14 keeps a blocking state under the action of the floating ball 5 when the bowl frame 100 is taken out of the water tank body 1.

The water return pipe 14 of this embodiment includes a vertical portion 141 at an upper portion and a transverse portion 142 connected to a lower end of the vertical portion 141, the flow guiding chamber 140 is located at an upper end of the vertical portion 141, a shaped upper cover 143 is disposed in the flow guiding chamber 140, a gap 1431 through which water flows is formed between an edge of the upper cover 143 and an inner wall of the flow guiding chamber 140, and a lower wall surface of the upper cover 143 is a first arc surface 1432 capable of being in contact with an upper surface of the floating ball 5 in a matching manner. The upper wall surface of the upper cover 143 is a second arc surface 1433 corresponding to the first arc surface 1432, the outer edge of the first arc surface 1431 is connected with the outer edge of the second arc surface 1433 through a guide surface 1434 which is vertically arranged, and under the contact and matching state of the top of the floating ball 5 and the first arc surface 1431, the outer surface of the floating ball 5, the guide surface 1434 and the second arc surface 1433 jointly form a flow guiding structure which can guide water from bottom to top to the central part of the water return opening 13. By adopting the upper cover 143, the floating ball 5 floating upwards is limited by the first arc-shaped surface 1431, so that the floating ball 5 can be firmly locked in the concave cavity at the bottom of the upper cover 143, and the influence of floating ball 5 floating under the impact of water flow on the water return speed is avoided; the structure can also lead the flow passage around the floating ball 5 to be even and smooth, so as to reduce energy loss and keep higher water pressure.

The guide chamber 140 includes a straight section 1401 and a tapered section 1402 which are mutually connected from top to bottom, the inner diameter of the tapered section 1402 gradually decreases from top to bottom, the diameter of the floating ball 5 matches with the inner diameter of the lower port of the tapered section 1402, and the guide surface 1434 is aligned with the inner wall of the lower port of the tapered section 1402. The structure is favorable for further improving the flow guiding effect of the flow guiding structure A.

In order to facilitate the installation of the upper cover 143, three connecting ribs 1435 extending in the radial direction are uniformly distributed on the inner wall of the flow guiding cavity 140, and the upper cover 143 is arranged at the central part of the connecting ribs 1435. 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 cover capable of opening or closing the upper port of the water discharging 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 bottom of the spray arm 4 is provided with a guide sleeve 43, and the top of the spray arm 4 is detachably connected to the bottom of the bowl rack 100 through a telescopic connection assembly 9. The guide sleeve 43 is arranged on the bottom wall of the spray arm 4 and corresponds to the water return port 13, and the connecting component 9 has a structure capable of connecting the spray arm 4 to the bottom of the bowl frame 100 in a vertically telescopic manner. The bottom of the bowl rack 100 is provided with a supporting foot 101 which can enable the bowl rack to stand, the lower end of the guide sleeve 43 is lower than the lower end of the supporting foot 101 in a suspended state of the supporting foot 101, and the connecting component 9 is partially contracted in a state that the supporting foot 101 is supported on a table surface, so that the lower end of the guide sleeve 43 and the lower end of the supporting foot 101 are kept at the same height. 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.

The bottom wall of the spray arm 4 is provided with a mounting sleeve 44 extending downwards along the water inlet 41, the upper part of the guide sleeve 43 is a plug-in part 431 inserted in the mounting sleeve 44, and the lower part of the guide sleeve 43 is a supporting part 432 which can be abutted against the inner bottom wall of the water tank body 1 and is arranged around the periphery of the water return opening 13. The outer circumferential wall of the insertion part 431 is provided with annular grooves arranged in the circumferential direction, and correspondingly, the inner circumferential wall of the mounting sleeve 44 is provided with a collar which is rotationally restrained in the reversing groove. The above structure facilitates the rotatable positioning of the spray arm 4 on the mounting sleeve 44.

The bottom wall of the support portion 432 is provided with a receiving groove in which a seal ring 4322 capable of abutting against the inner bottom wall of the water tank body 1 is fitted. In the use state of the water tank body 1 as a dish washer, the structure can improve the sealing performance and avoid water leakage at the water return port 13.

In order to facilitate the constraint of the connection assembly 9 to the spray arm 4 while allowing the rotation of the spray arm 4 with respect to the connection assembly 9, the upper end of the socket 431 is provided with an upwardly extending support arm 4312, the top of the support arm 4312 being provided with a mounting station 4313 arranged proximate to the top wall of the spray arm 4, the mounting station 4313 being connected to the connection assembly 9 by means of screws 90 passing through the top wall of the spray arm 4.

The connecting assembly 9 comprises an upper connecting sleeve 91, a lower connecting sleeve 92 and an elastic piece 93, wherein a clamping groove 911 which can be connected with a metal strip at the bottom of the bowl rack 100 is formed in the top of the upper connecting sleeve 91, the lower connecting sleeve 92 can be restrained at the bottom of the upper connecting sleeve 91 in a vertically movable manner, and the elastic piece 93 is a spring, so that the lower connecting sleeve 92 always keeps a downward movement trend. The above structure facilitates the extension and retraction of the connection assembly 9 and the detachable connection with the bowl shelf 100.

The inner top wall of the upper connecting sleeve 91 is provided with a guide post 912 extending downwards, correspondingly, the lower connecting sleeve 92 is provided with a guide sleeve 921 capable of moving up and down, the guide post 912 is in guide fit with the guide sleeve 921, the elastic element 93 is sleeved on the periphery of the guide post 912 and the guide sleeve 921, the upper end of the elastic element abuts against the inner top wall of the upper connecting sleeve 91, and the lower end of the elastic element abuts against the lower connecting sleeve 92. The bottom of the lower connecting sleeve 92 is provided with an upwards concave guiding space 922, the lower part of the guiding sleeve 921 is restrained in the guiding space 922 in a vertically movable way, the upper part of the guiding sleeve passes through the top of the guiding space 922 and is in guiding fit with the guiding column 912, and a limiting structure which can separate the bottom of the guiding sleeve 921 from the lower end of the guiding column 912. The upper connecting sleeve 91 is inserted in the lower connecting sleeve 92, the inner wall surface of the lower connecting sleeve 92 is provided with a guide rib 923 which is vertically arranged, and correspondingly, the outer wall surface of the upper connecting sleeve 91 is provided with a guide groove 913 which can be in guide fit with the guide rib 923. The above-mentioned is advantageous to improve the stability of the expansion and contraction between the upper and lower connection sleeves 91 and 92 and the connection reliability.

The side wall of the lower connecting sleeve 92 is also provided with an overflow 924 arranged close to the bottom wall. This structure allows the accumulated water in the lower connecting sleeve 92 to be drained.

When the water tank body 1 is used as a dish washer, the bowl rack 100 is placed in the water tank body 1, and the lower guide sleeve 432 elastically presses against the inner bottom surface of the water tank body 1 and surrounds the periphery of the water return opening 13 under the action of the elastic piece 20, so that sealing is realized, and water leakage is avoided.

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 frame 100 and the spray arm 4 are taken away, the floating ball 5 falls into the water return pipeline 14 under the dead weight to separate the water return pipeline 14, and the washing water is filtered by the slag collecting basket 2, collected with slag and then discharged into the sewer pipe through the water outlet 121; when the water tank body 1 is required to be used as a dish washer, the bowl frame 100 and the spray arm 4 are arranged in the water tank body 1, the floating ball 5 floats to the diversion cavity under the impact of water flow, the water return port 13 is communicated with the water return pipeline 14 and the spray arm 4, spray cleaning can be realized under the action of the water return driving mechanism 3, and water after the cleaning is discharged to 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 (28)

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 bottom of the water return pipeline (14) is provided with a water return port (13) positioned beside the water drain port (11), the water return pipeline (14) is arranged outside the water tank body (1) and is used for communicating the water drain cavity (12) with the water return port (13), and the inner diameter of the water return pipeline (14) is increased at a position close to the water return port (13) to form a diversion cavity (140);

the floating ball (5) is arranged in the water return pipeline (14) and can move upwards into the diversion cavity (140) under the impact of water flow so as to communicate the water return pipeline (14) with the water return port (13) and drop into the water return pipeline (14) under the impact of no water flow so as to isolate the water return pipeline (14);

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

spray arm (4), locate the bottom of bowl frame (100), open the bottom of spray arm (4) has water inlet (41), under the state was placed in basin body (1) in bowl frame (100), water inlet (41) and return water mouth (13) of spray arm (4) are linked together, under taking out the state in bowl frame (100) from basin body (1), return water pipeline (14) keep separating the state under floater (5) effect.

2. The cleaning machine of claim 1, wherein: the guide cavity (140) is internally provided with a square upper cover (143), a gap (1431) through which water flows is formed between the edge of the upper cover (143) and the inner wall of the guide cavity (140), and the lower wall surface of the upper cover (143) is a first arc-shaped surface (1432) which can be matched and contacted with the upper surface of the floating ball (5).

3. The cleaning machine of claim 2, wherein: the upper wall surface of upper cover (143) is second arcwall surface (1433) corresponding with first arcwall surface (1432), be connected through guide surface (1434) of vertical arrangement between the outward flange of first arcwall surface (1432) and the outward flange of second arcwall surface (1433) the floater (5) top is under the contact fit state with first arcwall surface (1432), the surface of floater (5) forms together with guide surface (1434), second arcwall surface (1433) and can be with water from bottom to top water return port (13) central part water conservancy diversion structure (A).

4. A cleaning machine as claimed in claim 3, wherein: the flow guide cavity (140) comprises a straight barrel section (1401) and a conical section (1402) which are mutually connected from top to bottom, the inner diameter of the conical section (1402) is gradually reduced from top to bottom, the diameter of the floating ball (5) is matched with the inner diameter of the lower port of the conical section (1402), and the guide surface (1434) is aligned with the inner wall of the lower port of the conical section (1402).

5. The cleaning machine of claim 2, wherein: at least two connecting ribs (1435) which are arranged at intervals along the radial direction are arranged on the inner wall of the flow guide cavity (140), and the upper cover (143) is arranged at the central position of the connecting ribs (1435).

6. The cleaning machine of any one of claims 1-5, wherein: the bowl rack is characterized by further comprising a flow guide sleeve (43) and a connecting component (9), wherein the flow guide sleeve (43) is arranged on the bottom wall of the spray arm (4) and corresponds to the water return opening (13), and the connecting component (9) is of a structure capable of connecting the spray arm (4) to the bottom of the bowl rack (100) in an up-down telescopic manner.

7. The cleaning machine of claim 6, 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 coupling assembling (9) local shrink makes the lower extreme of water conservancy diversion cover (43) keep the same height with stabilizer blade (101) lower extreme.

8. The cleaning machine of claim 6, wherein: the bottom wall of the spray arm (4) is provided with a mounting sleeve (44) extending downwards along the water inlet (41), the upper part of the flow guiding sleeve (43) is a plug-in part (431) inserted into the mounting sleeve (44), and the lower part of the flow guiding sleeve (43) is a supporting part (432) which can be abutted against the inner bottom wall of the water tank body (1) and is arranged around the periphery of the water return opening (13).

9. The cleaning machine of claim 8, wherein: the bottom wall of the supporting part (432) is provided with a containing groove, and a sealing ring (4322) which can be propped against the inner bottom wall of the water tank body (1) is embedded in the containing groove.

10. The cleaning machine of claim 8, wherein: an annular groove which is arranged along the circumferential direction is arranged on the outer circumferential wall of the plug-in part (431), and correspondingly, a convex ring which is rotationally restrained in the annular groove is arranged on the inner circumferential wall of the mounting sleeve (44).

11. The cleaning machine of claim 8, wherein: the upper end of grafting portion (431) is provided with support arm (4312) that upwards extends, and the top of this support arm (4312) is provided with mount table (4313) that press close to spray arm (4) roof and arrange, and this mount table (4313) with connect through screw (90) that pass spray arm (4) roof between coupling assembling (9).

12. The cleaning machine of claim 6, wherein: the connecting assembly (9) comprises an upper connecting sleeve (91), a lower connecting sleeve (92) and an elastic piece (93), wherein a clamping groove (911) which can be connected with the bottom of the bowl rack (100) is formed in the top of the upper connecting sleeve (91), the lower connecting sleeve (92) can be restrained at the bottom of the upper connecting sleeve (91) in a vertically movable mode, and the elastic piece (93) enables the lower connecting sleeve (92) to always keep a downward movement trend.

13. The cleaning machine of claim 12, wherein: be provided with downwardly extending's guide post (912) on the interior roof of last adapter sleeve (91), correspondingly, be provided with in lower adapter sleeve (92) guide sleeve (921) that can reciprocate, this guide post (912) with guide sleeve (921) guide cooperation, elastic component (93) cover are put in the periphery of guide post (912) and guide sleeve (921) and upper end and the interior roof of last adapter sleeve (91) offset, lower extreme and lower adapter sleeve (92) offset.

14. The cleaning machine of claim 13, wherein: the bottom of lower adapter sleeve (92) is provided with upwards sunken guide space (922), the lower part of uide bushing (921) can be restrained in this guide space (922) with reciprocating, upper portion pass guide space (922) top and with guide post (912) direction cooperation, be provided with between the bottom of uide bushing (921) and the lower extreme of guide post (912) and can place the limit structure that both break away from each other.

15. The cleaning machine of claim 12, wherein: the upper connecting sleeve (91) is inserted into the lower connecting sleeve (92), guide ribs (923) which are vertically arranged are arranged on the inner wall surface of the lower connecting sleeve (92), and correspondingly, guide grooves (913) which can be in guide fit with the guide ribs (923) are formed in the outer wall surface of the upper connecting sleeve (91).

16. The cleaning machine of claim 12, wherein: the side wall of the lower connecting sleeve (92) is also provided with an overflow port (924) which is arranged close to the bottom wall.

17. The cleaning machine of any one of claims 1-5, 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.

18. The cleaning machine of claim 17, 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).

19. The cleaning machine of claim 17, 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).

20. The cleaning machine of any one of claims 1-5, wherein: the lower water cavity (12) is connected with the water return pipeline (14) through a water return driving mechanism (3).

21. The cleaning machine of claim 20, 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).

22. The cleaning machine of claim 21, 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.

23. The cleaning machine of claim 22, 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.

24. The cleaning machine of claim 23, 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).

25. The cleaning machine of claim 24, 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.

26. The cleaning machine of claim 24, 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.

27. The cleaning machine of any one of claims 1-5, 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).

28. The cleaning machine of any one of claims 1-5, 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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