CN211796306U - Cleaning machine - Google Patents

Abstract

The utility model relates to a cleaning machine, including basin body and pumping mechanism, the bottom of basin body has recessed waterlogging caused by excessive rainfall region, it is originally external that the basin is located to pumping mechanism, the output shaft upper end of pumping mechanism stretches into in the basin body, a water pump to waterlogging caused by excessive rainfall board top for in the waterlogging caused by excessive rainfall region, the bottom of pumping mechanism is provided with deposits the water cavity, the output shaft lower extreme of pumping mechanism stretches into in this deposits the water cavity and is connected with the drainage impeller, it just has the delivery port that supplies water and discharge to deposit the water cavity with the basin body intercommunication mutually, this delivery port department is provided with and only allows water from depositing the outward check valve in water cavity. The utility model discloses to draw water function and drainage function and all integrate and realize on pumping mechanism, under the cleaning condition, the output shaft corotation of pumping mechanism, the check valve seals, avoids this internal log raft play of basin, and under the drainage condition, the output shaft upset of pumping mechanism, the check valve is opened, can inhale the row output with this internal water of basin, has simplified the overall structure of cleaning machine, and is convenient for assemble and use.

Description

Cleaning machine

Technical Field

The utility model relates to an electrical apparatus technical field is used in the kitchen, specifically indicates a cleaning machine for rinsing bowl dish, fruit vegetables.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market at present are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

The structure of the water tank type cleaning machine on the market at present is mainly the structure mentioned in the prior application CN201310750968.1 water tank type cleaning machine of the applicant, and comprises a box body forming a washing space, wherein the box body comprises a water tank body and a cover plate rotationally connected to the water tank body, the bottom of the water tank body is at least provided with a concave draining area at the central part, a water pump for pumping water in the draining area to the washing space above the draining area is arranged in the draining area, the draining area is covered with a draining plate with draining holes, and a rotary spraying arm which is communicated with the water pump through fluid and is provided with a water outlet hole is arranged above the draining plate. In addition, in order to further improve the cleaning effect, the prior applications CN201810334714.4 and CN201810334713.x "tank structure of water tank type cleaning machine" of the applicant are provided with a heating plate capable of heating water in the draining area on the bottom of the water tank body in addition to the above structure; in order to facilitate slag discharge, a slag basket arranged corresponding to the water discharge opening is arranged at the bottom of the draining area.

Above-mentioned basin body's each functional component such as water pump, lower mouth of a river, heating plate are isolated respectively and distribute in the bottom of basin body, not only installation maintenance difficulty, have increased the risk of leaking moreover. In addition, a drainage pump is required to be arranged at the bottom of the water tank body, so that the cleaning machine is high in cost and inconvenient to assemble and use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is the current situation to prior art, thereby provides one kind and is convenient for reduce the installation maintenance degree of difficulty and the cleaning machine of the risk of leaking with the integrated installation of each functional unit.

The utility model aims to solve the second technical problem to provide a can be integrated as an organic whole, simplify overall structure, be convenient for assemble and the cleaning machine that uses drawing water function and drainage function to prior art's current situation.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides a cleaning machine, includes basin body and pumping mechanism, the bottom of basin body has recessed waterlogging caused by excessive rainfall region, and the top in this waterlogging caused by excessive rainfall region is provided with draining plate, its characterized in that: the water pumping mechanism is arranged outside the water tank body, the upper end of an output shaft of the water pumping mechanism extends into the water tank body and is used for pumping water in a water draining area to the upper side of a water draining plate, a water storage cavity is arranged at the bottom of the water pumping mechanism, the lower end of the output shaft of the water pumping mechanism extends into the water storage cavity and is connected with a water draining impeller, the water storage cavity is communicated with the water tank body and is provided with a water supply and drainage outlet, and the water outlet is provided with a check valve which only allows water to drain outwards from the water storage cavity.

In the above scheme, the water outlet is connected with a water discharge pipe, and the check valve is arranged on the water discharge pipe and is positioned at the water inlet of the water discharge pipe.

Preferably, the check valve has a valve plate inclined from top to bottom in the flow direction of the water flow, and a partial edge of the valve plate is restrained on the drain pipe. By adopting the structure, the valve plates which are obliquely arranged are beneficial to being tightly sealed through gravity pressing in the washing state of the washing machine, are convenient to open in the drainage process, and are beneficial to improving the reliability of the one-way valve.

As an improvement, the water outlet is located at the side of the water storage cavity, the water discharge pipe comprises a first part and a second part, the first part is horizontally arranged, the first end of the first part is connected with the water outlet, the second part is in an inverted U-shaped structure, the first end of the second part is connected with the second end of the first part, and the second end of the second part is arranged lower than the water outlet. Because the utility model discloses cancelled forced-ventilated pump, draw the valve isotructure, adopted the drain pipe of above-mentioned structure, can form siphon drainage effect, with low costs, drainage effect is good.

Preferably, the drain pipe further comprises an L-shaped third part connected between the first part and the second part, wherein the vertical side end of the L-shaped structure of the third part is connected with the second end of the first part, and the transverse side end of the L-shaped structure of the third part is connected with the first end of the second part. The structure is beneficial to enhancing the siphon drainage effect.

Preferably, the discharge impeller has a centrally located shaft connected to the output shaft of the pumping mechanism and flexible blades radially disposed on the outer peripheral wall of the shaft, the flexible blades being rotatably located in the water storage chamber. In the in-service use process, the drainage blade of matter hardness rubs between the two great when meetting solid pollutant, blocks easily and can't rotate, leads to the fact the damage to the motor even, and above-mentioned flexible blade adopts materials such as silica gel, the rubber that has better elasticity preparation, can produce certain deformation when meetting solid pollutant to for solid pollutant lets a position and makes its discharge, avoid blocking, improve the reliability in the use.

Preferably, the lower corners of the flexible blades are smoothly transited to form a cambered surface capable of reducing the friction force between the flexible blades and solid pollutants. This structure can further provide the space of stepping down for solid pollutant, avoids the drainage impeller card to die.

In each of the above solutions, the bottom wall of the water tank body below the draining area is at least partially missing to form an installation opening, a bottom plate covering the installation opening is disposed at the installation opening, and the water pumping mechanism is installed on the bottom plate. The utility model discloses with the functional unit integration of cleaning machine on the bottom plate, this bottom plate is installed in the bottom that the installation department of basin body bottom constitutes the washing chamber, just so need not to set up a plurality of assembly openings that are used for installing different functional unit on the basin body, has not only reduced the installation maintenance degree of difficulty, and because the bottom of basin body only need set up a installing port, greatly reduced the risk of leaking.

Preferably, a water outlet is formed in the bottom plate, a water inlet opening is formed in the side of the water storage cavity, and the water inlet opening is communicated with the water outlet through a water guide pipe.

Preferably, the water pumping mechanism comprises a spray arm, a motor and an impeller assembly, the spray arm is arranged in the water tank body and is positioned above the draining plate, a water inlet corresponding to the central part of the draining area is formed in the lower wall surface of the spray arm, the motor is arranged on the outer bottom wall of the water tank body, the upper end of an output shaft vertically penetrates through the bottom wall of the water tank body and extends into the water inlet of the spray arm, the impeller assembly is arranged on the output shaft of the motor, the upper part of the impeller assembly is positioned in the water inlet of the spray arm, and the lower part of the impeller assembly is positioned in the central. The upper part of the impeller assembly is provided with a centrifugal impeller for dispersing water entering the spray arm and spraying the water from the water spraying holes, and the lower part of the impeller assembly is provided with an axial flow impeller for drawing the water in the draining area upwards so that the water rapidly enters the spray arm. The input port of the water pumping mechanism is located in the central part of the circular draining area, so that a water absorption flow field in the draining area is uniform, the water absorption rate of each part of the draining area is uniform and stable, the problem that the local water level is reduced too fast is avoided, the problem that air needs to be supplemented in the local draining area is solved, and the high water pumping lift and the washing effect are kept.

Compared with the prior art, the utility model has the advantages of: the utility model discloses to draw water function and drainage function and all integrate and realize on pumping mechanism, under the cleaning state, the output shaft corotation of pumping mechanism, the check valve seals, avoids this internal log raft of basin to discharge, and under the drainage state, the output shaft reversal of pumping mechanism, the check valve is opened, can inhale the row output with this internal water of basin, has simplified the overall structure of cleaning machine, and is convenient for assemble and use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic bottom structure diagram of an embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;

fig. 5 is a schematic structural diagram of a drainage impeller according to an embodiment of the present invention.

Detailed Description

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

As shown in fig. 1 to 5, the cleaning machine of this embodiment includes a water tank body 1 and a water pumping mechanism 2, the inside cavity of the water tank body 1 forms a washing chamber 11, the bottom of the water tank body 1 has a concave draining area 12, the draining area 12 can be formed by locally concave bottom wall of the water tank body 1, a draining box body and the like can be separately arranged, the top of the draining area 12 is covered with a draining plate 13, draining holes are densely distributed on the draining plate 13, water on the draining plate 13 can enter the draining area 12 through the draining holes, and the water pumping mechanism 2 is used for pumping water in the draining area 12 into the washing chamber 11 above the draining plate 13.

In the present embodiment, as shown in fig. 3 and 4, the sink body 1 has a mounting opening 14 formed by at least partially missing a bottom wall below the draining area 12, a bottom plate 3 covering the mounting opening 14 is provided at the mounting opening 14, the water pumping mechanism 2 is mounted on the bottom plate 3, and a drain opening 31 is opened in the bottom plate 3. The draining plate 13 is circular, the central part of the draining plate is provided with an opening 131 for water to be drained from bottom to top, the side of the opening 131 is provided with a slag collecting basket 5, and the bottom of the slag collecting basket 5 is arranged corresponding to the water outlet 31.

The water pumping mechanism 2 of this embodiment includes a spray arm 21, a motor 22 and an impeller assembly 23, the spray arm 21 is disposed in the washing chamber 11 and located above the draining plate 13, a water inlet 211 is opened on a lower wall surface of the spray arm 21, a plurality of water spray holes 212 are opened at intervals on an upper wall surface of the spray arm 21, the water inlet 211 is disposed corresponding to the opening 131 on the draining plate 13, the motor 22 is disposed on an outer bottom wall of the bottom plate 3 and an upper end of an output shaft 221 vertically penetrates through the bottom plate 3 and extends into the water inlet 211 of the spray arm 21, the impeller assembly 23 is disposed on an output shaft 221 of the motor 22, an upper portion of the impeller assembly is located in the water inlet 211 of the spray arm 21. The upper part of the impeller assembly 23 is a centrifugal impeller 231 for dispersing water entering the spray arm 21 and spraying the water from the spray holes 212, and the lower part of the impeller assembly 23 is an axial impeller 232 for drawing the water in the draining area 12 upwards so that the water rapidly enters the spray arm 21. The upper wall surface of the bottom plate 3 is provided with a vertically arranged guide seat 6, the upper end of the guide seat 6 penetrates through an opening 131 on the draining plate 13 and is positioned above the draining plate 13, the spray arm 21 can be rotatably arranged at the upper end of the guide seat 6, and the specific connection structure of the spray arm 21 and the guide seat 6 is the same as that of the existing water tank type cleaning machine of the applicant, and the detailed description is omitted here.

The bottom of the motor 22 is provided with a water storage chamber 222, the lower end of the output shaft 221 of the motor 22 extends into the water storage chamber 222 and is connected with a water discharge impeller 7 which can rotate along with the water storage chamber 222, the side of the water storage chamber 222 is provided with a water inlet opening 2222, the water inlet opening 2222 is communicated with a water discharge port 31 through a water guide pipe 70, and the side of the water storage chamber 222 is also provided with a water outlet 2221 for discharging water from the water storage chamber 222. The output shaft 221 of the motor 22 of the present embodiment can rotate forward and backward, when the output shaft 221 of the motor rotates forward, the impeller assembly 23 can pump the water in the draining area 12 into the spray arm 21, and when the output shaft 221 of the motor rotates backward, the water in the draining area 12 can be discharged through the water guiding pipe 70 and the water storage cavity 222 by the drainage impeller 7, so that the rotation washing and the drainage of the spray arm 21 can be realized by using one power mechanism, and the overall structure is simplified.

As shown in fig. 4, a water discharge pipe 8 is connected to the water outlet 2221, and a check valve 80 for allowing only water to flow out of the water storage chamber 222 is provided in the water discharge pipe 8. The check valve 80 has a valve plate 801 inclined from top to bottom in the flow direction of the water flow, and a partial edge of the valve plate 801 is caught on the drain pipe 8. By adopting the structure, the valve plate 801 which is obliquely arranged is beneficial to being tightly sealed by gravity in the washing state of the washing machine, is convenient to open in the drainage process, and is beneficial to improving the reliability of the one-way valve 80. The water outlet 2221 is located at a side portion of the water storage chamber 222, as shown in fig. 2, the water discharge pipe 8 includes a first portion 81, a second portion 82 and a third portion 83, the first portion 81 is horizontally arranged and a first end thereof is connected with the water outlet 2221, the second portion 82 is in an inverted U-shaped structure, the third portion 83 is in an L-shape and is connected between the first portion 81 and the second portion 82, a vertical edge end of the L-shaped structure of the third portion 83 is connected with a second end of the first portion 81, a transverse edge end of the L-shaped structure of the third portion 83 is connected with a first end of the second portion 82, and a second end of the second portion 82 is arranged lower than the water outlet 2221. The drain pipe 8 with the structure can form a siphon drainage effect, and is low in cost and good in drainage effect.

When the cleaning machine of the embodiment is used for washing, the motor 22 rotates positively to drive the impeller assembly 23 and the spray arm 21 to rotate, the lower drainage impeller 7 rotates in the water storage cavity 222 due to the cavity body communication, the water storage cavity 222 is filled with water, the one-way valve 80 is used for carrying out fluid isolation on the drainage pipe 8, and water loss is avoided; when the washing is finished and the water is drained, the motor 22 rotates reversely to drive the water drainage impeller 7 to rotate, and the water flow is drained through the one-way valve 80 and the water drainage pipe 8. According to the embodiment, the difference of the water flow states during positive and negative rotation of the motor 22 can be optimized, so that a sealing cavity can be formed by matching the one-way valve 80 during positive rotation, a certain negative pressure suction force can be generated, and the sealing effect of the one-way valve 80 is enhanced; when the motor 22 rotates forwards, the sealing performance of the check valve 80 is not reliable, a hanging structure of the drain pipe 8 is designed, the water flow sealing at the position of the check valve 80 is promoted by using certain water flow pressure, and when the motor 22 rotates reversely and is forced to drain, siphoning can be effectively formed by the hanging structure, so that the drainage effect and the drainage strength are greatly promoted.

As shown in fig. 5, the discharge impeller 7 has a shaft 71 at the center and a flexible blade 72 radially disposed on the outer peripheral wall of the shaft 71, the shaft 71 of the discharge impeller 7 is provided with a shaft hole 711 disposed along the axial direction, the shaft hole 711 is fitted over the output shaft 221 of the pumping mechanism 2, and the flexible blade 72 is rotatably disposed in the water storage chamber 2221. In the in-service use process, the drainage blade of matter hardness rubs between the two great when meetting solid pollutant, blocks easily and can't rotate, leads to the fact the damage to motor 22 even, and above-mentioned flexible blade 72 adopts materials such as silica gel, rubber that have better elasticity to make, can produce certain deformation when meetting solid pollutant to for solid pollutant lets a position and makes its discharge, avoids blocking to die, improves the reliability in the use. The lower corners of the flexible blades 72 are smoothly transited to form an arc surface 721 capable of reducing the friction force with the solid pollutants, and the structure can further provide a yielding space for the solid pollutants to prevent the drainage impeller 7 from being stuck.

Claims (10)

1. The utility model provides a cleaning machine, includes basin body (1) and pumping mechanism (2), the bottom of basin body (1) has recessed waterlogging caused by excessive rainfall region (12), and the top of this waterlogging caused by excessive rainfall region (12) is provided with draining board (13), its characterized in that: the water pumping mechanism (2) is arranged outside the water tank body (1), the upper end of an output shaft (221) of the water pumping mechanism (2) extends into the water tank body (1) and is used for pumping water in a draining area (12) to the position above a draining plate (13), a water storage cavity (222) is arranged at the bottom of the water pumping mechanism (2), the lower end of the output shaft (221) of the water pumping mechanism (2) extends into the water storage cavity (222) and is connected with a drainage impeller (7), the water storage cavity (222) is communicated with the water tank body (1) and is provided with a water outlet (2221) for water supply and drainage, and a one-way valve (80) which only allows water to be discharged from the water storage cavity (222) to the outside is arranged at the water outlet (2221).

2. The cleaning machine of claim 1, wherein: the water outlet (2221) is connected with a water drainage pipe (8), and the one-way valve (80) is arranged on the water drainage pipe (8).

3. The cleaning machine of claim 2, wherein: the check valve (80) is provided with a valve plate (801) which inclines along the flowing direction of water flow from top to bottom, and the local edge of the valve plate (801) is restrained on the drain pipe (8).

4. The cleaning machine of claim 2, wherein: the water outlet (2221) is located at the side of the water storage cavity (222), the water discharge pipe (8) comprises a first part (81) and a second part (82), the first part (81) is horizontally arranged, the first end of the first part is connected with the water outlet (2221), the second part (82) is in an inverted U-shaped structure, the first end of the second part (82) is connected with the second end of the first part (81), and the second end of the second part (82) is arranged lower than the water outlet (2221).

5. The cleaning machine of claim 4, wherein: the drain pipe (8) further comprises an L-shaped third part (83), the third part (83) is connected between the first part (81) and the second part (82), the vertical edge end of the L-shaped structure of the third part (83) is connected with the second end of the first part (81), and the transverse edge end of the L-shaped structure of the third part (83) is connected with the first end of the second part (82).

6. The cleaning machine of any one of claims 1-5, wherein: the water discharge impeller (7) is provided with a shaft (71) positioned in the center and flexible blades (72) arranged on the outer peripheral wall of the shaft (71) along the radial direction, the shaft (71) of the water discharge impeller (7) is connected to an output shaft (221) of the water pumping mechanism (2), and the flexible blades (72) are rotatably positioned in the water storage cavity (222).

7. The cleaning machine of claim 6, wherein: the lower corners of the flexible blades (72) are smoothly transited to form an arc surface (721) capable of reducing the friction force with solid pollutants.

8. The cleaning machine of any one of claims 1-5, wherein: the water tank body (1) at least partially lacks corresponding bottom walls below the draining areas (12) to form mounting openings (14), the mounting openings (14) are provided with bottom plates (3) covering the mounting openings (14), and the water pumping mechanisms (2) are mounted on the bottom plates (3).

9. The cleaning machine of claim 8, wherein: the bottom plate (3) is provided with a water outlet (31), the side part of the water storage cavity (222) is provided with a water inlet opening (2222), and the water inlet opening (2222) is communicated with the water outlet (31) through a water guide pipe (70).

10. The cleaning machine of any one of claims 1-5, wherein: the water pumping mechanism (2) comprises a spray arm (21), a motor (22) and an impeller assembly (23), the spray arm (21) is arranged in the water tank body (1) and is positioned above the draining plate (13), a water inlet (211) corresponding to the central part of the draining area is formed in the lower wall surface of the spray arm (21), the motor (22) is arranged on the outer bottom wall of the water tank body (1), the upper end of an output shaft (221) vertically penetrates through the bottom wall of the water tank body to stretch into the water inlet (211) of the spray arm (21), the impeller assembly (23) is arranged on the output shaft (221) of the motor (22), the upper part of the impeller assembly is positioned in the water inlet (211) of the spray arm (21), and the lower part of the impeller assembly (23) is positioned in the central part of the draining area.

Images