CN216776969U - Cleaning machine - Google Patents

Abstract

The utility model relates to a cleaning machine which comprises a water tank body, wherein the bottom of the water tank body is provided with a drainage port and a drainage cavity connected below the drainage port, the cleaning machine further comprises a water return pipeline, a sealing cover, an elastic piece and a spraying arm, the bottom of the water tank body is provided with a water return port positioned beside the drainage port, and the water return pipeline is used for connecting the drainage cavity with the water return port. According to the utility model, 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 washing machine, the lower water cavity is used as the water return cavity, water in the lower water cavity flows back to the spray arms 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 water in the lower water cavity is directly discharged into the sewer pipe, so that the dish washing machine and the common water tank can be conveniently switched for use, and the use is convenient; compared with the existing common water tank, the water tank body is only provided with the water return port through modification, so that the water tank is simple in overall structure and low in modification cost; the spraying arm is connected with the water return port in an inserting and matching manner, so that the operation is convenient.

Description

Cleaning machine

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to a cleaning machine.

Background

At present, two sinks are generally arranged in the kitchen of most users, if a sink type dish washer is installed, one sink is used as a normal water sink, and the other sink is used as a washing sink of the dish washer. The washing tank is internally provided with a spraying system which cannot 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 dish washer or a general sink. The cleaning basket comprises a cleaning basket body with a washing cavity, the cleaning basket body is provided with a flow channel extending from the bottom to the side part, 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 sucking area, the water sucking area is communicated with the flow channel, and an impeller for pumping the water at the bottom of the cleaning basket body into the flow channel is arranged in the water sucking area. When the washing basket is used, the impeller rotates to draw water at the bottom of the washing basket into the flow channel at the side part of the washing basket, and further spray-type washing is carried out on fruits, vegetables or dishes in the washing basket through the spray holes; the cleaning basket and the water tank are convenient to integrate, the cleaning basket is placed into 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 is not needed to be used as the cleaning machine, and the sealing cover is taken out at the same time, so that the cleaning basket can be used as a common water tank.

The structure is very convenient to switch between the dish washing machine and a common water tank, but when the structure is used as the dish washing machine, a cleaning basket with a special structure needs to be arranged, and a driving mechanism with a complex structure is arranged at the bottom of the water tank, so that the overall structure is complex and the production cost is high; meanwhile, when the cleaning basket is used, because a water flow system in the cleaning basket is independent of the water tank, the filtering and slag collection are difficult, and the problem of inconvenient slag discharge exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art, and provides a cleaning machine which integrates a water return system on the basis of keeping the shape of a raw water tank, thereby simplifying the overall structure, reducing the cost and being convenient for switching between a dish washing machine and a common water tank.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

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, still includes:

the water return pipe is arranged outside the water tank body and is used for communicating the water drainage cavity with the water return port;

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

the elastic piece enables the sealing cover to always keep a trend of moving upwards so as to close the water return port;

the spray arm is detachably arranged in the water tank body and corresponds to the water return opening, the spray arm and the water return opening are mutually inserted and matched in a connection state, the sealing cover is pressed into the water return pipeline by the spray arm so that the spray arm is communicated with the water return opening, and the sealing cover is driven by the elastic piece to close the water return opening when the spray arm is separated from the water return opening.

Preferably, the upper portion of the water return pipeline is a vertical portion extending downwards corresponding to the water return port, the sealing cover is arranged in the vertical portion in a vertically movable manner, and the elastic piece is arranged at the bottom of the sealing cover. Above-mentioned return water pipeline not only is used for the return water, still for the assembly space that closing cap and elastic component provided, overall structure is compact.

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

Preferably, the edge of return water mouth is provided with the retaining ring of downwardly extending, and is corresponding, inlay on the periphery wall of filling portion and be provided with the sealed sealing washer that cooperatees with the retaining ring inner wall. The structure is favorable for improving the sealing property between the filling part and the water return port, and can avoid water leakage at the water return port when the water tank body is used as a common water tank.

Preferably, a positioning column extending upwards corresponding to the water return port is arranged on the inner bottom wall of the water return pipeline, correspondingly, a guide sleeve capable of being inserted into and matched with the positioning column is arranged on the lower portion of the sealing cover, and the elastic part 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 of the positioning column, so that a support table is formed at the joint, the lower end of the elastic part abuts against the support table, and the upper end of the elastic part 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 pipe is a horizontal part which is horizontally bent and extends 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 position of the vertical part and the horizontal part. The positioning column is arranged at the position, and can also play a role in guiding water flow upwards to a certain extent.

Preferably, a water inlet and a water guide sleeve extending downwards from the water inlet are arranged on the bottom wall of the spraying arm, the water guide sleeve is detachably connected with the water return port, and a water inlet notch communicated with the water return pipeline is further formed in the side wall of the water guide sleeve. After the spray arm is installed in the water tank body, water in the water return pipeline enters the spray arm through the water inlet notch and is sprayed upwards, and a small amount of bowls and dishes can be cleaned.

Preferably, the bottom edge of water guide sleeve is provided with two at least support arms of interval arrangement, and the space between two adjacent support arms constitutes the breach of intaking, under spray arm and the return water mouth assembled state, the lower extreme of support arm supports and presses on the last wall of closing cap, support arm and return water mouth edge spacing connection, the breach of intaking is located the return water pipeline of return water mouth below. The structure is convenient for assembling the spray arm and the water return port.

In order to facilitate the dismouting spray arm, it has the opening of vertical extension to open on the support arm, is provided with the elasticity card foot that upwards extends from the lower limb in this opening, and the upper end of this elasticity card foot has the fixture block that can cooperate the joint with the lower limb of return water mouth. Preferably, the outer peripheral wall of the water guide sleeve is provided with a lower retainer ring which can be abutted against the inner bottom wall of the water tank body in the state that the spray arm and the water return port are completely assembled.

Preferably, a slag collecting basket is arranged in the lower water cavity, and the lower water cavity is a water return cavity for supplying water to the spray arm when the spray arm is connected with the water return port oppositely. The utility model can make the lower water cavity properly large, and on the basis of keeping the original water tank model, the slag collecting basket can be used as a filter screen plate and also can be used for collecting slag, so that the utility model has two purposes, simplifies the whole structure and is convenient to use.

Preferably, the bottom of the lower water cavity is further provided with a drainage mechanism for quickly draining water in the lower water cavity, the bottom of the lower water cavity is provided with a drainage outlet, and the upper end of the drainage mechanism is connected with the drainage outlet. By adopting the structure, the water tank is beneficial to quickly discharging water, and realizes the effects of no residual water and cleanness maintenance of the water tank body.

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 periphery wall of the lower water cavity is coated with a thick film heating element for heating water passing through the lower water cavity. When the water tank body is used as a cleaning machine, the structure can quickly heat the return water, so that the heating effect is improved; in addition, the thick film heating element for coating the outer peripheral wall of the lower water cavity is adopted, so that the heating efficiency is improved, and the heat energy loss is reduced; this heating member heats the sediment basket that gathers simultaneously, can also keep gathering sediment basket dry, health, disinfects, avoids bacterial growing.

In the utility model, the lower water cavity is connected with the water return pipeline through a 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, a water guide pipe which is transversely arranged and connected with a water inlet end of the water pump is arranged on the side part of the lower water cavity, and a water outlet end of the water pump is positioned at the top of the water guide pipe and 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 communicated with the lower water cavity, the outer side part of the first section protrudes out of the lower water cavity, the second section is a conical section with gradually increased inner diameter, the part close to the water inlet end and the lower water cavity are formed into a whole, and the third section is a straight 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 joint of the water inlet pipe and the lower water cavity and the joint of the water guide pipe and the lower water cavity are oppositely arranged and have opposite circulation directions. Opposite vortexes are formed in the water inlet process and the water return process, on one hand, the formation of the vortexes is beneficial to improving the water inlet efficiency and the water return efficiency, and on the other hand, the slag collecting basket placed in the water cup can achieve the self-cleaning effect by being washed by the two opposite vortexes.

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 is gradually reduced from top to bottom. This structure is favorable to locking the residue in collection sediment basket bottom, improves collection sediment effect.

Preferably, the inner bottom wall of the sink body is detachably provided with an end cover capable of opening or closing the upper port of the lower water cavity. When not in use, the sewer port is closed to avoid the overflow of the peculiar smell in the sewer pipe.

Preferably, a flow guide area which is locally concave around the periphery of the drain opening is arranged on the inner bottom wall of the water tank body. The structure is beneficial to improving the slag collecting effect and the water return speed.

Compared with the prior art, the utility model has the advantages that: according to the utility model, 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 washing machine, the lower water cavity is used as the water return cavity, water in the lower water cavity flows back to the spray arms 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 water in the lower water cavity is directly discharged into the sewer pipe, so that the dish washing machine and the common water tank can be conveniently switched for use, and the use is convenient; compared with the existing common water tank, the water tank body is only provided with the water return port through modification, so that the water tank is simple in overall structure and low in modification cost; the spraying arm is connected with the water return port in an inserting and matching manner, so that the operation is convenient.

Drawings

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

FIG. 2 is a schematic structural view (in a state of use as a normal water tank) of embodiment 1 of the present invention;

FIG. 3 is a schematic structural view (in an unused state) of embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of example 1 of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from 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 another cross-sectional view of FIG. 1;

FIG. 9 is an enlarged view of a portion of FIG. 8;

FIG. 10 is a schematic structural view of a lower water chamber part in example 1 of the present invention;

FIG. 11 is another angle view of FIG. 10;

FIG. 12 is a schematic structural view of example 2 of the present invention;

FIG. 13 is an enlarged view of a portion of FIG. 12;

FIG. 14 is an assembly view of the dish rack and the spray arm according to embodiment 2 of the present invention;

fig. 15 is a schematic structural view of a spray arm in embodiment 2 of the present invention;

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Example 1:

as shown in fig. 1 to 11, the cleaning machine of the present embodiment includes a water tank body 1, a drainage port 11 and a drainage cavity 12 connected below the drainage port 11 are disposed at the bottom of the water tank body 1, a slag collecting basket 2 is disposed in the drainage cavity 12, and a drainage port 121 is disposed at the bottom of the drainage cavity 12.

As shown in fig. 4 and 6, the bottom of the sink body 1 is further provided with a water return port 13 and a water return pipe 14 connected below the water return port 13, the water return pipe 14 is provided outside the sink body 1, and the lower water chamber 12 is communicated with the water return pipe 14 via the water return driving mechanism 3. When the water tank body 1 is required to be used as a dish washing machine, the lower water cavity 12 is used as a water return cavity, and water filtered by the slag collection basket 2 in the lower water cavity 12 is pumped back 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 needs to be used as a common water tank, water filtered and subjected to slag collection in the lower water cavity 12 is directly discharged into a lower water pipe through the water outlet 121, so that the switching use between a dish washing machine and the common water tank is facilitated, and the use is convenient; compared with the existing ordinary water tank, the water tank body 1 of the embodiment is only provided with the water return port 13 by changing the water tank body, so that the whole structure is simple, and the transformation cost is low; in order to meet the requirement of the water return cavity, the lower water cavity 12 can be made to be large appropriately, so that filtering and slag collection are facilitated.

The water tank body 1 of the present embodiment is detachably provided with a spray arm 4, a water inlet 41 capable of being connected to the water return port 13 is opened at the bottom of the spray arm 4, and a water spray hole 42 is opened on the top wall of the spray arm 4. When the water tank body 1 is used as a dish washer, the spray arm 4 is installed to provide water columns for upward spraying, thereby enlarging the spraying range and improving the cleaning effect.

As shown in fig. 6 to 9, a cover 5 capable of opening or closing the water return port 13 is provided on the inner bottom wall of the water tub body 1, and the cover 5 is provided at the water return port 13 so as to be movable up and down. The bottom of the cover 5 is provided with an elastic piece 9 which makes the cover 5 always keep the upward movement trend so as to close the water return port 13. Under the condition 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 as to enable the spray arm 4 to be communicated with the water return port 13, and under the condition 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 driving of the 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 to be movable up and down, and the elastic member 9 is disposed at the bottom of the cover 5. The water return pipeline 14 is used for returning water, and provides an assembly space for the sealing cover 5 and the elastic piece 9, and the whole structure is compact.

The inner diameter of the vertical part 141 of the water return pipe 14 is larger than the diameter of the water return port 13, the top of the cover 5 is provided with a filling part 51 which can be inserted into the water return port 13 in the state that the water return port 13 is closed, a block 52 which can be abutted against the bottom edge of the water return port 13 is arranged below the filling part 51, and the block 52 is four and is arranged at intervals in the circumferential direction of the cover 5. 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 sink body 1, so as to maintain the integrity of the bottom wall of the original sink and maintain good water guiding, filtering and slag collecting effects.

A retaining ring 131 extending downwards is arranged at the edge of the water return port 13, and correspondingly, a sealing ring 53 which can be matched and sealed with the inner wall of the retaining ring 131 is embedded on the outer peripheral wall of the filling part 51. This structure is advantageous for improving the sealing property between the filling portion 51 and the return port 13, and can prevent water leakage at the return port when the water tank body 1 is used as a normal water tank.

The inner bottom wall of the water return pipe 14 is provided with a positioning column 140 extending upwards corresponding to the water return port 13, correspondingly, the lower part of the sealing cover 5 is provided with a guide sleeve 54 capable of being inserted and matched with the positioning column 140, and the elastic member 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 thereof, so that a support 143 is formed at the joint, the lower end of the elastic part 9 abuts against the support 143, and the upper end abuts against the inner top wall of the guide sleeve 54. The above structure is advantageous in improving the mounting stability of the elastic member 9 and the cover 5.

The lower portion of the water return pipe 14 is a horizontal portion 142 horizontally bent and extended from the lower end of the vertical portion 141 to one side, the vertical portion 141 and the horizontal portion 142 are smoothly transited, and the positioning column 140 is disposed at the smooth transition of the vertical portion 141 and the horizontal portion 142. Where it is located, the positioning post 140 may also function to guide the water flow upwards to some extent.

The bottom wall of the spray arm 4 of this embodiment is provided with a water inlet 41 and a water guide sleeve 43 extending downward from the water inlet 41, the water guide sleeve 43 is detachably connected to the water return port 13, and a water inlet gap 431 capable of being communicated with the water return pipe 14 is further formed in the side wall of the water guide sleeve 43. After the spray arm 4 is installed in the tub body 1, water in the return pipe 14 enters the spray arm 4 through the above water inlet gap 431 and is sprayed upward, and a small amount of dishes can be washed.

Two support arms 432 which are symmetrically arranged are arranged at the bottom edge of the water guide sleeve 43, a water inlet gap 431 is formed by a gap between every two adjacent support arms 432, the lower ends of the support arms 432 are abutted against the upper wall surface of the sealing cover 5 when the spray arm 4 and the water return port 13 are assembled, the support arms 432 are in limit connection with the edge of the water return port 13, and the water inlet gap 431 is positioned in the water return pipeline 14 below the water return port 13. The above structure facilitates the assembly of the shower arm 4 with the return water port 13.

In order to facilitate the disassembly and assembly of the spray arm, the support arm 432 is provided with a vertically extending opening 433, an elastic clamping foot 434 extending upwards from the lower edge is arranged in the opening 433, and the upper end of the elastic clamping foot 434 is provided with a clamping block 435 which can be matched and clamped with the lower edge of the water return port 13. The outer peripheral wall of the water guide sleeve 43 is provided with a lower retainer 436 which can abut against the inner bottom wall of the water tub body 1 in a state where the shower arm 4 is completely assembled with the water return port 13.

In this embodiment, the lower water chamber 12 is configured as a return chamber for supplying water to the shower arm 4 in a state where the shower arm 4 is connected to the return port 13. The present embodiment can suitably enlarge the lower water cavity 12, and is convenient for filtering and collecting slag on the basis of keeping the original water tank model.

As shown in fig. 4, the water return driving mechanism 3 of the present embodiment is a water pump, and the lateral portion of the lower water chamber 12 is provided with a water guiding 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 water return pipe 14. The return pipe 14 is L-shaped and the vertically arranged upper section is very short.

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

The inner portion of the first section 1221 of the water guiding pipe 122 and the water inlet end portion of the second section 1222 are disposed corresponding to the sidewall of the slag collecting basket 2. The side wall of the lower water cavity 12 is also connected with an inlet pipe 16, the inlet pipe 16 is tangentially connected with the lower water cavity 12, and the joint of the inlet pipe 16 and the lower water cavity 12 is opposite to the joint of the water guide pipe 122 and the lower water cavity 12 in the 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 is gradually reduced from top to bottom. This structure is favorable to locking the residue in 2 bottoms of collection sediment baskets, improves collection sediment effect. As shown in fig. 3, an end cover 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 drain 11 is closed to prevent the odor in the drain from overflowing. The inner bottom wall of the sink body 1 is provided with a flow guiding area 111 which is locally concave around the periphery of the drain 11. The structure is beneficial to improving the slag collecting effect and the water return speed.

The bottom of the lower water chamber 12 of this embodiment is further provided with a drainage mechanism 7 for rapidly draining water in the lower water chamber 12, and the upper end of the drainage mechanism 7 is connected with a drainage port 121. The drain mechanism 7 includes a drain pump 71 and a drag valve 72, and the drag valve 72 is connected between the drain port 121 and the drain pump 71. By adopting the structure, the water tank is beneficial to discharging water quickly, and realizes the effects of no residual water and cleanness maintenance of the water tank body 1.

In the present embodiment, as shown in fig. 4 and 5, the heating member 8 for heating the 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 quickly heat the return water, so that the heating effect is improved; in addition, the thick film heating element for coating the outer peripheral wall of the lower water cavity is adopted, so that the heating efficiency is improved, and the heat energy loss is reduced; this heating member heats the sediment basket that gathers simultaneously, can also keep gathering sediment basket dry, health, disinfects, avoids bacterial growing.

The top of the water tank body 1 is provided with a door body capable of being turned over, and the door body is used for opening or closing the top opening of the water tank body 1.

When the cleaning machine of the embodiment is used, when the water tank body 1 needs to be used as a common water tank, the spraying arm 4 is taken away, the sealing cover 5 automatically moves upwards to seal the water return port 13 under the action of the 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 overall shape of the water tank body 1 is the same as that of the common water tank, and washing water is filtered by the slag collecting basket 2, collected in slag and then discharged into a sewer pipe through the water outlet 121; when the water tank body 1 needs to be used as a dish washing machine, the spraying arm 4 is arranged at the water return port 13 at the bottom of the water tank body 1, the spraying arm 4 is restrained on the bottom wall of the water tank body 1 through the buckle 425, meanwhile, the sealing cover 5 moves downwards under the pressing of the spraying arm 4 to open the water return port 13, the water return pipeline 14 is communicated with the spraying arm 4, spraying cleaning can be achieved under the action of the water return driving mechanism 3, and the finally cleaned water is discharged into a sewer pipe through the water outlet 12.

Example 2:

the present example differs from example 1 in that: as shown in fig. 12 to 15, the spray arm 4a and the water return port 13a of the present embodiment are not detachably connected by a snap, and there is no direct limit relationship between the spray arm 4a and the water return port 13 a. In the embodiment, the spray arm 4a is installed at the bottom of the bowl rack, after the bowl rack is placed in the sink body 1a, the sealing cover 5a is pressed downwards to open the water return opening 13a, and the spray arm 4a is communicated with the water return opening 13a and the water return pipeline 14 a.

Specifically, the dish rack 100a is used for containing tableware or fruits and vegetables; the spray arm 4a is arranged at the bottom of the bowl frame 100a, when the bowl frame 100a is placed in the water tank body 1a, part of the spray arm 4a passes through the water return port 13a and is pressed against the sealing cover 5a, and the sealing cover 5a moves downwards under the pressing of the spray arm 4a, so that the water return pipeline 14a is communicated with the spray arm 4 a; when the bowl rack 100a is removed from the sink body 1a, the lid 5a is driven by the first elastic member 9a to close the water return port 13 a.

A guide sleeve 43a extending vertically is arranged at the water inlet 41a of the spray arm 4a, and the guide sleeve 43a is of a telescopic structure. At least part of the flow guide sleeve 43a is constrained at the bottom of the spray arm 4a in a manner of being capable of stretching up and down and is provided with an upper port arranged corresponding to the water inlet 13a, and a second elastic part 20a which enables the flow guide sleeve to always keep a downward extending trend is arranged at the position of the flow guide sleeve 43 a. The bottom of the bowl frame 100a is provided with a support leg 101a which can enable the bowl frame to stand, the height of the lower end of the flow guide sleeve 43a is lower than that of the lower end of the support leg 101a under the suspension state of the support leg 101a, and the flow guide sleeve 43a is partially contracted under the state that the support leg 101a is supported on the table top, so that the lower end of the flow guide sleeve is kept at the same height as that of the lower end of the support leg 101 a. The structure can ensure that the spray arm 4a is more reliably connected with the water return port 13a and the water return pipeline 14a in a use state, and the problem of water leakage caused by improper installation is avoided; when the bowl frame 100a is used alone, a supporting function is provided for the bowl frame 100a, and the standing stability of the bowl frame 100a is improved.

In order to facilitate assembly and connection, the flow guide sleeve 43a includes an upper flow guide sleeve 431a and a lower flow guide sleeve 432a, the upper flow guide sleeve 431a is rotatably connected with the spray arm 4a, the lower flow guide sleeve 432a is constrained at the lower part of the upper flow guide sleeve 431a and can move up and down, and the second elastic member 20a is arranged between the upper flow guide sleeve 431a and the lower flow guide sleeve 432a and enables the lower flow guide sleeve 432a to always keep a downward movement trend.

An assembly ring 411a extending downwards around the water inlet 41a is arranged on the bottom wall of the spray arm 4a, the upper end of the upper flow guide sleeve 431a is connected with the assembly ring 411a in an inserting and matching manner, and a first support 4311a capable of supporting the bottom of the assembly ring 411a is arranged on the outer peripheral wall of the upper flow guide sleeve 431a and close to the upper end. The top wall of the spray arm 4a is provided with water spray holes 42a with different spraying directions, and the structure is convenient for realizing the rotation of the spray arm 4a under the driving of water flow.

The upper end of the upper flow guide sleeve 431a is provided with upwardly extending support ribs 4312a at intervals, the top of the support ribs 4312a is provided with a support platform 4313a, the top wall of the spray arm 4a is provided with an installation opening 44a which can be matched and connected with the support platform 4313a and is used for exposing the support platform 4313a to the top of the spray arm 4a, and the support platform 4313a is restrained at the bottom of the bowl frame 100a through an assembly part 45 a. With the above configuration, the shower arm 4a can be restrained at the bottom of the dish rack 100a in a state where the shower arm 4a is allowed to rotate relative to the dish rack 100 a.

In order to restrain the spray arm 4a at the bottom of the bowl rack 100a, the upper surface of the supporting platform 4313a is provided with an assembling sleeve 4314a extending upward, correspondingly, the assembling part 45a is provided with an inserting sleeve 451a capable of being inserted into the assembling sleeve 4314a from top to bottom, the side wall of the assembling sleeve 4314a is provided with a clamping opening 4310a, and correspondingly, the outer peripheral wall of the inserting sleeve 451a is provided with a projection 4512a capable of being matched and clamped with the clamping opening 4511 a. The fitting 45a further has an outer sleeve 452a enclosing the fitting sleeve 4314a and the mounting opening 44a therein, the outer peripheral wall of the outer sleeve 452a is provided with hooks 4521a extending outwards, and correspondingly, the bottom of the bowl frame 100a is provided with a mounting bar 102a for the hooks 4521a to clamp therein.

The upper flow guide sleeve 431a comprises a first inner sleeve 4315a and a first outer sleeve 4316a which are arranged at intervals inside and outside, the lower flow guide sleeve 432a comprises a second inner sleeve 4321a and a second outer sleeve 4322a which are arranged at intervals inside and outside, the first inner sleeve 4315a is connected with the top of the first outer sleeve 4316a in a closed mode, the lower end of the first inner sleeve 4315a is connected with the first outer sleeve 4316a in an open mode, and the second inner sleeve 4321a is connected with the second outer sleeve 4322a in an open mode, and the upper end of the second inner sleeve 4321a is connected with the second outer sleeve 4322a in a closed mode. The second inner sleeve 4321a is inserted in the first inner sleeve 4315a to be movable up and down, and the second outer sleeve 4322a is inserted in the first outer sleeve 4316a to be movable up and down. This configuration is advantageous in providing a relatively closed inner chamber for the installation of the second elastic member 20a, and improves the assembly compactness.

In order to facilitate assembly, a vertically extending limit installation groove 4317a is formed in a side wall of the first outer sleeve 4315a, and an elastic buckle 4323a capable of being guided and fitted with the limit installation groove 4317a and being constrained in the limit installation groove 4317a is formed in a side wall of the second outer sleeve 4322 a.

The lower end of the guide sleeve 43a is provided with a pressing part 434a which can press the sealing cover 5a downward through the water return port 13 a. This structure facilitates the simultaneous implementation of the pressing-down of the cover 5a and the communication of the water return pipe 14a with the guide sleeve 43a after the bowl frame 100a is put into the sink body 1 a. The pressing part 434a includes four guide arms 4341a extending from the inner wall surface of the lower end of the guide sleeve 43a to the center from top to bottom, and the lower ends of the guide arms 4341a are smoothly connected by a ring 4342 a. The guide arm 4341a has a function of pressing the cover 5a and a function of guiding the water to the guide sleeve 43a in the water return pipe 14a, thereby reducing energy loss.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims (23)

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 mouth of a river (11), its characterized in that: also comprises

The water return pipe (14) is arranged at the bottom of the water tank body (1) and is positioned at a water return port (13) beside the sewer port (11), and the water return pipe (14) is arranged outside the water tank body (1) and is used for communicating the sewer cavity (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);

the elastic piece (9) enables the sealing cover (5) to always keep the upward movement trend so as to close the water return port (13);

the spraying arm (4) is detachably arranged in the water tank body (1) and corresponds to the water return port (13) to be arranged, the spraying arm (4) and the water return port (13) are mutually inserted and matched in a connection state, the sealing cover (5) is pressed into the water return pipeline (14) by the spraying arm (4) so that the spraying arm (4) is communicated with the water return port (13), and the sealing cover (5) closes the water return port (13) under the driving of the elastic piece (9) when the spraying arm (4) is separated from the water return port (13).

2. The cleaning machine of claim 1, wherein: the upper portion of return water pipeline (14) is for corresponding return water mouth (13) downwardly extending's vertical section (141), closing cap (5) can be located in this vertical section (141) with reciprocating, elastic component (9) are located the bottom of closing cap (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), the top of the sealing cover (5) is provided with a filling part (51) which can be inserted into the water return port (13) in a state that the water return port (13) is closed, and a stop block (52) which can be abutted against the bottom edge of the water return port (13) is arranged below the filling part (51).

4. The cleaning machine of claim 3, wherein: the edge of return water mouth (13) is provided with downwardly extending's retaining ring (131), and is corresponding, inlay on the periphery wall of filling portion (51) and be provided with ability and retaining ring (131) inner wall cooperation sealed sealing washer (53).

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 and matched with the positioning column (140), and the elastic part (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 of the positioning column, so that a support table (143) is formed at the joint, the lower end of the elastic part (9) abuts against the support table (143), and the upper end of the elastic part abuts 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 transverse part (142) which is horizontally bent and extended from the lower end of a vertical part (141) to one side, the vertical part (141) and the transverse 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 transverse part (142).

8. The cleaning machine of any one of claims 1 to 7, wherein: the water-saving spraying device is characterized in that a water inlet (41) and a water guide sleeve (43) extending downwards from the water inlet (41) are arranged on the bottom wall of the spraying arm (4), the water guide sleeve (43) is detachably connected with the water return port (13), and a water inlet notch (431) capable of being communicated with the water return pipeline (14) is further formed in the side wall of the water guide sleeve (43).

9. The cleaning machine of claim 8, wherein: the bottom edge of water guide sleeve (43) is provided with support arm (432) that two at least interval were arranged, and the space between two adjacent support arm (432) constitutes into water breach (431), spray arm (4) and return water mouth (13) assemble under the state of finishing, the lower extreme of support arm (432) supports and presses on the last wall of closing cap (5), support arm (432) and return water mouth (13) edge spacing connection, it is located return water pipeline (14) of return water mouth (13) below to intake breach (431).

10. The cleaning machine of claim 9, wherein: the supporting arm (432) is provided with a vertically extending opening (433), an elastic clamping foot (434) extending upwards from the lower edge is arranged in the opening (433), and the upper end of the elastic clamping foot (434) is provided with a clamping block (435) which can be matched and clamped with the lower edge of the water return opening (13).

11. The cleaning machine of claim 8, wherein: the outer peripheral wall of the water guide sleeve (43) is provided with a lower retainer ring (436) which can be abutted against the inner bottom wall of the water tank body (1) in the state that the spray arm (4) and the water return port (13) are assembled.

12. The cleaning machine of any one of claims 1 to 7, wherein: be provided with collection sediment basket (2) in lower water cavity (12) spray arm (4) and return water mouth (13) relative connection state under, lower water cavity (12) constitute the return water chamber that spray arm (4) supplied water.

13. The cleaning machine of claim 12, wherein: the water draining device is characterized in that a water draining mechanism (7) used for quickly draining water in the water draining cavity (12) is further arranged at the bottom of the water draining cavity (12), a water draining opening (121) is formed in the bottom of the water draining cavity (12), and the upper end of the water draining mechanism (7) is connected with the water draining opening (121).

14. The cleaning machine of claim 12, wherein: a heating element (8) used 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).

15. 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).

16. The cleaning machine of claim 15, wherein: the backwater driving mechanism (3) is a water pump, a water guide pipe (122) which is transversely arranged and is connected with the water inlet end of the water pump is arranged on the side part of the lower water cavity (12), 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 (14).

17. The cleaning machine of claim 16, wherein: the first end of the water guide pipe (122) is tangentially connected with the side part of the lower water cavity (12), and the second end of the water guide pipe is connected with the water inlet end of the water pump.

18. The cleaning machine of claim 17, wherein: the water guide pipe (122) comprises a first section (1221), a second section (1222) and a third section (1223), the first section (1221), the second section (1222) and the third section (1223) are sequentially connected in the flowing direction of water flow, the diameter of the first section is gradually increased, the inner side portion of the first section (1221) is formed on the inner wall of the lower water cavity (12) and communicated with the lower water cavity (12), the outer side portion of the first section (1221) protrudes out of the lower water cavity (12), the second section (1222) is a conical section with the inner diameter of the second section which is gradually increased, the portion, close to the water inlet end, of the second section and the lower water cavity (12) are formed into a whole, and the third section (1223) is a straight section.

19. The cleaning machine of claim 18, wherein: the slag collecting basket (2) is arranged in the lower water cavity (12), and the inner side part of the first section (1221) and the water inlet end 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).

20. The cleaning machine of claim 19, 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 joint of the water inlet pipe (16) and the lower water cavity (12) and the joint of the water guide pipe (122) and the lower water cavity (12) are oppositely arranged and have opposite circulation directions.

21. The cleaning machine of claim 19, 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.

22. The cleaning machine of any one of claims 1 to 7, wherein: the inner bottom wall of the water tank body (1) is detachably provided with an end cover (6) capable of opening or closing an upper port of the lower water cavity (12).

23. The cleaning machine of any one of claims 1 to 7, wherein: the inner bottom wall of the water tank body (1) is provided with a flow guide area (111) which is locally concave around the periphery of the lower water gap (11).

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