CN218552288U - A drainage structures and cleaning machine for cleaning machine - Google Patents

Abstract

The utility model relates to a drainage structures and cleaning machine for cleaning machine, drainage structures includes the valve casing, and its inside has valve pocket and drainage channel that set gradually and communicate along the water flow direction, the valve pocket is through passing liquid channel phase fluid intercommunication with drainage channel, set up the water inlet with valve pocket phase fluid intercommunication and the outlet with drainage channel phase fluid intercommunication on the valve casing; the drain valve is at least partially arranged in the drain channel and is used for opening and closing the liquid passing channel; a through hole is formed in the valve shell at the position of the liquid passing channel, and the through hole is adjacent to the drainage channel; the water drainage structure also comprises a valve component, wherein the valve component comprises a valve cover movably arranged on the valve shell to open or close the through hole; and under the state that the drainage valve closes the liquid passing channel, the valve cover opens the through hole to discharge the residual water.

Description

A drainage structures and cleaning machine for cleaning machine

Technical Field

The utility model relates to a dish washer technical field, concretely relates to a drainage structures and cleaning machine for cleaning machine.

Background

A dishwasher is an apparatus that sprays cold or hot water to dishes to remove dirt adhered to the dishes or fruits and vegetables, and washes the dishes or fruits and vegetables. The dishwasher is provided with a drain pump and a drain valve which operate to discharge sewage after the washing operation of the dishwasher is completed.

As disclosed in the chinese utility model patent No. cn202122998061.X (publication No. CN 216776960U) ("a valve pump mechanism and a cleaning machine for a cleaning machine"), the valve pump mechanism includes a valve housing having a water discharge passage therein, the water discharge passage having a water inlet for communicating with a water discharge port of the cleaning machine and a water outlet for communicating with a water discharge pipe; the drainage channel comprises a first drainage channel and a second drainage channel communicated with the first drainage channel, the inlet of the first drainage channel is the water inlet, the water outlet and the air outlet valve body are both positioned on the side wall of the second drainage channel, a drainage pump for pumping water in the second drainage channel to the water outlet is arranged in the second drainage channel, a traction valve (namely a drainage valve) for controlling residues and water to enter the drainage pump is arranged on the first drainage channel, and a drainage outlet communicated with the water inlet of the valve pump mechanism is formed in the bottom of the box body.

When the dish-washing machine begins to drain water, the draining pump is started firstly, then the draining valve is started, after the draining valve is opened, water in a washing cavity of the box body enters an inlet of a pump cavity of the draining pump through the valve shell and is drained by the draining pump. And when the set drainage time is reached, closing the drainage valve firstly, then closing the drainage pump, and finishing drainage.

However, this drainage structure has the following problems:

1. when the drainage is finished and the valve plug of the drainage valve closes the water flow passage, the drainage pump is still in operation, the impeller of the drainage pump can centrifugally throw water around, a considerable amount of water is pushed back to the valve cavity (namely the upstream section of the first drainage channel) in the moving process of the valve plug, and the water is gathered at the front end of the valve plug;

2. after the drainage is finished, a great amount of water drops are also arranged on the inner wall of the box body, the bowl frame and the spray arm, and the water drops are gathered at the bottom of the box body and finally enter a valve cavity of the valve pump mechanism from a water outlet at the bottom of the box body.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is to prior art's current situation, provides one kind and can be with the drainage structures that is used for the cleaning machine of the surplus water exhaust in the valve pocket.

The utility model discloses the second technical problem that will solve is the current situation to prior art, provides an use above-mentioned drainage structures's cleaning machine.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a drainage structure for a cleaning machine comprises

The valve comprises a valve shell, a valve cavity and a drainage channel, wherein the valve cavity and the drainage channel are sequentially arranged and communicated along the water flow direction, the valve cavity is in fluid communication with the drainage channel through a liquid passing channel, and a water inlet and a water outlet are formed in the valve shell and are in fluid communication with the valve cavity and the drainage channel;

the drain valve is at least partially arranged in the drain channel and is used for opening and closing the liquid passing channel;

the drainage valve is characterized in that a through hole is formed in the valve shell at the position of the liquid passing channel, and the through hole is adjacent to the drainage channel; the water drainage structure also comprises a valve component, wherein the valve component comprises a valve cover movably arranged on the valve shell to open or close the through hole; and under the condition that the drain valve closes the liquid passing channel, the valve cover opens the through hole.

In order to facilitate the arrangement of the valve cover, a water outlet channel with a water inlet end communicated with the through hole is formed in the valve shell, and the valve cover is arranged at the water outlet end of the water outlet channel.

The through hole can be used as an air inlet, hot air is introduced from the through hole to enter the valve cavity, residual water is dried, the through hole can also be used as a water outlet hole, in order to ensure that residual water in the valve cavity stably flows out of the through hole, the through hole is formed in the bottom wall of the valve cavity, the water outlet channel is in an inverted U shape, and the through hole is higher than the water outlet end of the water outlet channel. Therefore, a siphon phenomenon can be formed in the water outlet passage, and the residual water in the valve cavity can be ensured to continuously flow out of the water outlet passage.

The valve cover can open the water outlet end of the water outlet channel under the impact of water flow and then close the water outlet end of the water outlet channel under the action of the elastic member, but the working reliability of the valve cover is low, and the valve assembly further comprises a driving assembly in driving connection with the valve cover, so that the valve cover can move towards or away from the water outlet end. When the residual water needs to be drained, the driving component drives the valve cover to move towards the direction away from the water outlet end, and the water outlet end is opened; when the cleaning machine drains water normally, the driving component drives the valve cover to move towards the direction of the water outlet end, and the water outlet end is closed.

The valve cover is connected with the output shaft of the motor, preferably, the valve assembly is a solenoid valve, the driving assembly comprises an electromagnet and an elastic part, the elastic part acts on the valve cover to enable the valve cover to keep the trend of moving towards the water outlet end of the water outlet channel, and under the power-on state of the electromagnet, the valve cover moves close to the electromagnet under the electromagnetic suction force of the electromagnet to be far away from the water outlet end of the water outlet channel.

In order to facilitate the installation of the valve assembly on the water outlet channel, the valve assembly further comprises a valve body with a hollow interior, the driving assembly and the valve cover are arranged in the valve body, and the valve body is provided with a water outlet port and a water inlet port communicated with the water outlet end of the water outlet channel. Install drive assembly and valve gap on the valve body earlier like this, then with the valve body install on water outlet channel can, the assembly is simple.

In order to form a stable water flow in the water outlet channel, the inner diameter of the water inlet port is larger than that of the water outlet port.

In order to facilitate the drainage of water in the drainage channel, the drainage channel comprises a first flow channel and a second flow channel, the first flow channel is communicated with the liquid passing channel, the second flow channel is communicated with the first flow channel, and the drainage port is communicated with the second flow channel; the drainage valve is at least partially arranged in the first flow passage, the drainage structure further comprises a drainage pump for draining water in the second flow passage into the drainage port, and the drainage pump is at least partially arranged in the second flow passage.

The drain valve can have various structural forms, the structure is simple, the drain valve comprises a power part and a valve plug connected with the power part in a driving way, the valve plug is arranged in a first flow passage and can move towards or away from a liquid passing passage, and the first flow passage and a second flow passage are basically vertically distributed; the drainage pump can have various structures, and the structure is simple, the drainage pump comprises a driving part and an impeller which is in driving connection with the driving part, and the impeller is arranged in the second flow passage.

To further ensure that a stable flow of water is formed in the outlet channel, the outlet end of the outlet channel can be in fluid communication with the second flow channel. The drainage pump forms negative pressure in the second flow passage, residual water in the valve cavity can be sucked into the second flow passage under the action of the negative pressure in the second flow passage, water entering the second flow passage is beneficial to extruding residual air in the second flow passage, and the probability of full-load operation of the drainage pump in the next working process is improved.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides an use above-mentioned drainage structure's cleaning machine which characterized in that: the washing machine comprises a box body with a washing cavity, wherein a water outlet communicated with a water inlet of a valve casing is formed in the bottom wall of the box body, and a drainage structure is positioned below the box body.

In order to make full use of the discharged residual water, the water-saving device also comprises a steam generator which comprises

The washing device comprises a shell, a washing chamber and a water inlet channel, wherein the shell is hollow, a water inlet hole and a steam outlet hole which are communicated with the interior of the shell are formed in the shell, the water inlet hole is communicated with a water outlet end of a water outlet channel in a fluid mode, and the steam outlet hole is communicated with the washing chamber of the box body in the fluid mode;

and the heating element is arranged on the shell. The residual water discharged in this way enters the steam generator to be heated and then enters the washing cavity to dry the tableware, so that the tableware is recycled and the energy is saved.

Compared with the prior art, the utility model has the advantages that: after the drainage, close the drain valve earlier, the valve plug moves towards crossing liquid passageway, and at this in-process, the valve plug can promote water in crossing liquid passageway to the drain pump is still working this moment, and the impeller also can be mixd water in crossing liquid passageway, and remaining drop of water in the box and on tableware etc. also can flow to the valve pocket and cross liquid passageway under the action of gravity, so the utility model discloses a position of neighbouring export sets up the through-hole in the valve pocket, and the valve pocket can flow out from the through-hole with crossing the surplus water in the liquid passageway like this, has avoided remaining surplus water in the valve pocket, and otherwise surplus water can influence dry tableware, and the surplus water exists for a long time and does not ventilate and can produce the peculiar smell, ageing drainage structure.

Drawings

Fig. 1 is a schematic structural view of a cleaning machine according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure of the drainage structure of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a cross-sectional view in the other direction of FIG. 3;

FIG. 6 is an enlarged view of FIG. 5 at A;

FIG. 7 is a cross-sectional view in another direction of FIG. 3;

fig. 8 is a schematic structural view of a cleaning machine according to embodiment 2 of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

As shown in fig. 1 to 7, the cleaning machine of the present preferred embodiment includes a tank 1 and a drain structure a.

The box body 1 is provided with a washing cavity 11, a water outlet 12 is arranged on the bottom wall of the box body 1, and the drainage structure A is positioned below the box body 1.

The drain structure a includes a valve housing 3, a drain valve 7, a drain pump 4, and a valve assembly 5.

As shown in fig. 4, 5 and 7, the valve housing 3 has a valve chamber 31 and a drain passage 32 disposed and communicated with each other in the water flow direction, the valve chamber 31 and the drain passage 32 are in fluid communication with each other through a fluid passage 33, the valve housing 3 is provided with a water inlet 34 in fluid communication with the valve chamber 31 and a water outlet 35 in fluid communication with the drain passage 32, and the water inlet 34 is in fluid communication with the water outlet 12 of the tank body 1.

In this embodiment, the drainage channel 32 includes a first flow passage 321 and a second flow passage 322, the first flow passage 321 and the second flow passage 322 are substantially vertically distributed, the first flow passage 321 is communicated with the liquid passing channel 33, the second flow passage 322 is communicated with the first flow passage 321, and the drainage port 35 is communicated with the second flow passage 322.

The drain valve 7 is at least partially disposed in the first flow passage 321, and is used for opening and closing the liquid passage 33. The drain valve 7 includes a dynamic member 71 and a valve plug 72 drivingly connected to the dynamic member 71, wherein the valve plug 72 is disposed in the first flow passage 321 and is movable toward or away from the liquid passage 33.

The drain pump 4 is used to drain water in the second flow path 322 into the drain port 35, and the drain pump 4 is at least partially disposed in the second flow path 322. The drain pump 4 includes a driving member 41 and an impeller 42 drivingly connected to the driving member 41, and the impeller 42 is disposed in the second flow passage 322.

As shown in fig. 5 and 6, the liquid passing passage 33 is provided with a through hole 36 at a position adjacent to the first flow passage 321, and the valve housing 3 is provided with a water outlet passage 37 having a water inlet end communicating with the through hole 36. The through hole 36 is arranged on the bottom wall of the valve cavity 31, the water outlet channel 37 is in an inverted U shape, and the through hole 36 is higher than the water outlet end 371 of the water outlet channel 37. A siphon phenomenon can be formed in the water outlet passage 37, so that residual water in the valve cavity 31 can continuously flow out of the water outlet passage 37.

The valve assembly 5 comprises a valve body 51, a valve cover 52 and a driving assembly in driving connection with the valve cover 52, wherein the valve cover 52 is movably arranged at the water outlet end 371 of the water outlet channel 37 to open or close the water outlet end 371 of the water outlet channel 37, which is equivalent to opening or closing the through hole 36. The valve cap 52 opens the water outlet end 371 of the water outlet passage 37 in a state where the valve plug 72 of the drain valve 7 closes the liquid passing passage 33.

In this embodiment, the valve assembly 5 is an electromagnetic valve, the driving assembly includes an electromagnet and an elastic member 54, the elastic member acts on the valve cover 52 to keep the valve cover 52 in a tendency of moving toward the water outlet end 371 of the water outlet channel 37, and in a state that the electromagnet is powered on, the valve cover 52 moves close to the electromagnet under the electromagnetic attraction of the electromagnet so as to be away from the water outlet end 371 of the water outlet channel 37. The solenoid valve can adopt the existing conventional structure, and the embodiment only briefly describes some important structures, and the rest structures are not described again.

The valve body 51 is hollow, the driving assembly and the valve cover 52 are both arranged in the valve body 51, the valve body 51 is provided with a water outlet 511 and a water inlet 512 communicated with the water outlet 371 of the water outlet channel 37, and the inner diameter of the water inlet 512 is larger than that of the water outlet 511, so that stable water flow is formed in the water outlet channel 37.

In this embodiment, the outlet 371 of the outlet channel 37 can be in fluid communication with the second fluid channel 322. The method comprises the following specific steps: as shown in fig. 7, a liquid inlet path 3221 is opened on the bottom wall of the valve housing 3 at a position located in the second flow path 322, and the water outlet port 511 of the valve body 51 is connected to the liquid inlet path 3221 through a liquid outlet pipe 3222.

The drain pump 4 forms negative pressure in the second flow passage 322, and under the action of the negative pressure in the second flow passage 322, residual water in the valve cavity 31 is sucked into the second flow passage 322, and water entering the second flow passage 322 is beneficial to squeezing out residual air in the second flow passage 322, so that the probability of full-load operation of the drain pump 4 in the next work is improved.

The working process of the drainage structure a of the embodiment is as follows:

after the drainage is finished, the valve plug 72 of the drain valve 7 closes the liquid passage 33, the electromagnet is energized, the valve cover 52 opens the water outlet end 371 of the water outlet passage 37, the valve cavity 31 and the residual water in the liquid passage 33 continuously enter the second flow passage 322 from the water outlet passage 37 under the siphon action and the negative pressure action in the second flow passage 322, and are matched with the water flowing back from the hanging-up drain pipe 351 (the drain pipe 351 is connected to the drain port 35, and at least the part of the drain pipe 351 connected to the drain port 35 extends upwards), so that the drain pipe 351 has a certain hanging height, the water flows back into the second flow passage 322), the air in the valve housing 3 is discharged as much as possible, and then the drain pump 4 is closed.

Example 2

Embodiment 2 differs from embodiment 1 in that the water outlet end 371 of the water outlet channel 37 in this embodiment is not in fluid communication with the second flow channel 322.

As shown in fig. 8, the present embodiment further includes a steam generator 6, the steam generator 6 includes a hollow housing 61, the housing 61 is provided with a water inlet 62 and a steam outlet 63, the water inlet 62 is in fluid communication with the water outlet 371 of the water outlet channel 37, the steam outlet 63 is in fluid communication with the washing chamber 11 of the cabinet 1, a heating element 64 is disposed on the housing 61, and the heating element 64 can adopt an existing structure.

In this embodiment, the water inlet hole 62 is communicated with the water outlet 511 of the valve body 51 through the water outlet pipe 65, and the water inlet hole 62 is lower than the water outlet 511 of the valve body 51, so as to ensure that water smoothly flows into the housing 61.

The residual water discharged in this way enters the steam generator 6 to be heated, and then enters the washing cavity 11 to dry the tableware, so that the tableware is recycled, and the energy is saved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered limiting, as "upper", "lower", and the like are not necessarily limited to directions opposite to or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) that fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be the first portion and the second portion directly connected to each other or indirectly connected to each other through at least one third member, such as a fluid passage, e.g., a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing fluid to flow therethrough, or a combination thereof.

Claims (12)

1. A drainage structure for a cleaning machine comprises

The water-saving valve comprises a valve shell (3), a valve cavity (31) and a drainage channel (32) are sequentially arranged and communicated in the water flow direction, the valve cavity (31) is communicated with the drainage channel (32) through a liquid passing channel (33), and a water inlet (34) and a water outlet (35) are formed in the valve shell (3) and are communicated with the valve cavity (31) in a fluid mode;

the drain valve (7) is at least partially arranged in the drain channel (32) and is used for opening and closing the liquid passing channel (33);

the water drainage valve is characterized in that a through hole (36) is formed in the valve shell (3) at the position of the liquid passing channel (33), and the through hole (36) is adjacent to the water drainage channel (32); the drainage structure further comprises a valve component (5), wherein the valve component (5) comprises a valve cover (52) movably arranged on the valve shell (3) to open or close the through hole (36); the valve cover (52) opens the through hole (36) in a state where the drain valve (7) closes the liquid passing passage (33).

2. The drainage structure according to claim 1, wherein: the valve shell (3) is provided with a water outlet channel (37) with a water inlet end communicated with the through hole (36), and the valve cover (52) is arranged at the water outlet end (371) of the water outlet channel (37).

3. The drainage structure according to claim 2, wherein: the through hole (36) is formed in the bottom wall of the valve cavity (31), the water outlet channel (37) is in an inverted U shape, and the through hole (36) is higher than the water outlet end (371) of the water outlet channel (37).

4. The drainage structure according to claim 3, characterized in that: the valve assembly (5) further comprises a drive assembly in driving connection with the valve cap (52) so that the valve cap (52) can move towards or away from the water outlet end (371).

5. The drainage structure according to claim 4, wherein: the valve component (5) is an electromagnetic valve, the driving component comprises an electromagnet and an elastic part, the elastic part acts on the valve cover (52) to enable the valve cover (52) to keep a trend of moving towards the water outlet end (371) of the water outlet channel (37), and under the power-on state of the electromagnet, the valve cover (52) moves close to the electromagnet under the electromagnetic suction force action of the electromagnet so as to be far away from the water outlet end (371) of the water outlet channel (37).

6. The drainage structure according to claim 4, wherein: the valve component (5) further comprises a valve body (51) with a hollow interior, the driving component and the valve cover (52) are arranged in the valve body (51), and the valve body (51) is provided with a water outlet port (511) and a water inlet port (512) communicated with a water outlet end (371) of the water outlet channel (37).

7. The drainage structure according to claim 6, wherein: the inner diameter of the water inlet port (512) is larger than that of the water outlet port (511).

8. The drainage structure according to claim 3, wherein: the drainage channel (32) comprises a first flow channel (321) and a second flow channel (322), the first flow channel (321) is communicated with the liquid passing channel (33), the second flow channel (322) is communicated with the first flow channel (321), and the drainage port (35) is communicated with the second flow channel (322); the drainage valve (7) is at least partially arranged in the first flow passage (321), the drainage structure further comprises a drainage pump (4) used for draining water in the second flow passage (322) into the drainage outlet (35), and the drainage pump (4) is at least partially arranged in the second flow passage (322).

9. The drainage structure according to claim 8, wherein: the drain valve (7) comprises a power piece (71) and a valve plug (72) which is in driving connection with the power piece (71), wherein the valve plug (72) is arranged in a first flow passage (321) and can move towards or away from the liquid passing channel (33), and the first flow passage (321) and a second flow passage (322) are basically vertically distributed; the drainage pump (4) comprises a driving part (41) and an impeller (42) in driving connection with the driving part (41), wherein the impeller (42) is arranged in the second flow passage (322).

10. The drainage structure according to claim 8, wherein: the water outlet end (371) of the water outlet channel (37) can be communicated with the second flow channel (322) in a fluid mode.

11. A cleaning machine to which the drainage structure of any one of claims 1 to 9 is applied, characterized in that: the washing machine comprises a box body (1) with a washing cavity (11), wherein a water outlet (12) communicated with a water inlet (34) of a valve casing (3) is formed in the bottom wall of the box body (1), and a drainage structure is positioned below the box body (1).

12. The cleaning machine of claim 11, wherein: further comprising a steam generator (6), the steam generator (6) comprising

The washing machine comprises a shell (61), wherein the shell (61) is hollow, a water inlet hole (62) and a steam outlet hole (63) communicated with the interior of the shell (61) are formed in the shell (61), the water inlet hole (62) is in fluid communication with a water outlet end (371) of a water outlet channel (37), and the steam outlet hole (63) is in fluid communication with a washing cavity (11) of a box body (1);

and a heating member (64) provided on the housing (61).

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