CN219538212U - A drainage mechanism and cleaning machine for cleaning machine - Google Patents

Abstract

The utility model relates to a drainage mechanism for a cleaning machine and the cleaning machine, wherein the drainage mechanism comprises a drainage pump, the drainage pump comprises a motor, a mounting shaft and an impeller, the motor is in driving connection with the mounting shaft, the impeller comprises a wheel shaft and at least two blades which are rotationally symmetrically arranged on the wheel shaft, the drainage mechanism is characterized in that a slot in which the end part of the mounting shaft is inserted is formed in the wheel shaft, the slot is eccentrically arranged relative to the center of the wheel shaft, when the drainage pump works, vibration is generated, so that the whole machine is driven to generate beneficial vibration to a certain extent, water on a spray arm, a waterway pipeline and the spray arm is driven to fall rapidly, water is prevented from remaining in the cleaning machine, drying of tableware is prevented from being influenced, and the drainage pump is not influenced in the structural form of the drainage pump, and the mode of shaking off residual water does not need to consume extra energy.

Description

A drainage mechanism and cleaning machine for cleaning machine

Technical Field

The utility model relates to the technical field of dish washing machines capable of washing fruits, vegetables and tableware, in particular to a drainage mechanism for a washing machine and the washing machine.

Background

A dish washer is a device for spraying cold water or hot water to dishes to remove dirt adhered to the dishes and wash the dishes, and a general dish washer includes a pump and a spray head for spraying washing water, a heater for generating hot water, a drain pump for draining water, and the like. After the washing is finished, the dishwasher usually adopts a drainage pump to realize strong drainage of the residual water, and meanwhile, part of pollutants are taken away by water flow.

A drainage mechanism for electric home appliances and a washer thereof as disclosed in chinese patent publication No. CN 20202344664. X (publication No. CN 214760962U), comprising a housing having a first chamber (44) at an upper portion and a second chamber (430) at a lower portion, the first chamber (44) communicating with the second chamber (430) to form a passage through which fluid flows from top to bottom, the first chamber (44) having an inlet (40) into which fluid enters, the second chamber (430) having an outlet from which fluid flows out; a valve body (6) at least partially disposed in the first chamber (44) to open and close the passage; a drain pump (5) having an impeller (51) rotatably provided in the second chamber (430), a central axis (510) of the impeller (51) being disposed substantially vertically for swirling fluid in the passage.

The existing drainage mechanism only has the function of drainage, and after the dish washing machine is finished, most of water in the washing cavity can be drained by the drainage pump, but water drops are remained on the spray arm, the waterway pipeline and the tableware, the residual water can influence the drying efficiency of the tableware, and the phenomenon of moisture regain is extremely easy to occur, so that the tableware and the water in the washing cavity are showered, bacteria are easily bred, and the sanitation problem is caused.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a drainage mechanism for a cleaning machine, which can reduce the residual quantity of water.

The second technical problem to be solved by the utility model is to provide a cleaning machine applying the drainage mechanism aiming at the current state of the art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a drainage mechanism for cleaning machine, includes the drain pump, the drain pump includes motor, installation axle and impeller, the motor links to each other with the installation axle drive, the impeller includes shaft and rotationally symmetrical installs at epaxial two at least blades, its characterized in that, set up the slot in the tip cartridge that supplies the installation axle on the shaft, the slot sets up for the center eccentric of shaft.

In order to further facilitate the shake-off of residual water on the cleaning machine, the drainage mechanism further comprises a shell, a water inlet, a water outlet and a water flow channel communicated with the water inlet and the water outlet are formed in the shell, the installation shaft and the impeller are arranged in the water flow channel of the shell, the top wall surface of the shell is an installation surface used for being connected with the cleaning machine, the water inlet is formed in the top wall surface of the shell, an included angle alpha is formed between the plane where the installation surface is located and the longitudinal section of the installation shaft, and the included angle is an acute angle or an obtuse angle. Vibration formed during operation of the drainage pump generates vibration components in the vertical direction and the horizontal direction, and drives the whole cleaning machine to vibrate in the two directions, so that residual water on the cleaning machine falls off faster.

Preferably, 70 degrees < alpha <80 degrees, normal operation of the cleaning machine is not affected, and residual water can be shaken off due to vibration.

Because the bottom wall surface of the tank of the cleaning machine is generally a flat plane, the installation surface is a horizontal surface, and the installation shaft is inclined from top to bottom in order to facilitate the connection of the housing with the tank of the cleaning machine.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides an use cleaning machine of above-mentioned drainage mechanism which characterized in that: the washing device is characterized by further comprising a box body with a washing cavity, wherein the shell is positioned outside the box body, the mounting surface of the shell is connected with the bottom wall of the box body, the bottom of the box body is provided with a water outlet communicated with the washing cavity, and the water inlet at the top of the shell is in fluid communication with the water outlet.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the impeller and the mounting shaft of the drainage pump are eccentrically mounted, so that vibration is generated when the drainage pump works, the whole machine is driven to generate beneficial vibration to a certain extent, water on the spray arm, the waterway pipeline and the spray arm is driven to fall rapidly, water is prevented from remaining in the cleaning machine, drying of tableware is prevented from being influenced, and the drainage is not influenced by the structural form of the drainage pump, and extra energy is not consumed in a manner of shaking off the residual water.

Drawings

FIG. 1 is a schematic view of a drainage mechanism according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the mounting shaft and impeller of FIG. 2;

FIG. 4 is a schematic view of the impeller of FIG. 3;

fig. 5 is a partial cross-sectional view of fig. 3.

Detailed Description

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

As shown in fig. 1 to 5, the cleaning machine of the present preferred embodiment includes a tank (not shown in the drawings) and a drainage mechanism, wherein the drainage mechanism includes a housing 1 and a drain pump 2, and the drainage mechanism includes other components, which are not described in detail herein, and reference may be made to a drainage mechanism for a household appliance and a cleaning machine thereof disclosed in the chinese patent publication No. CN 20202344664. X, which is a patent publication No. CN 214760962U.

The drain pump 2 includes a motor 21, a mounting shaft 22, and an impeller 23, where the motor 21 is in driving connection with the mounting shaft 22 (the connection structure between the motor 21 and the mounting shaft 22 is in the prior art and is not described here again), the impeller 23 includes an axle 231 and at least two blades 232 rotationally symmetrically mounted on the axle 231, the axle 231 is provided with a slot 233 in which an end of the mounting shaft 22 is inserted, and the slot 233 is eccentrically disposed relative to the center of the axle 231.

The water inlet 11, the water outlet 12 and the water flow channel 13 communicating the water inlet 11 and the water outlet 12 are arranged on the shell 1, the motor 21 is arranged outside the water flow channel 13, the mounting shaft 22 and the impeller 23 are arranged in the water flow channel 13 of the shell 1, the top wall surface of the shell 1 is a mounting surface 14 for being connected with a cleaning machine, the water inlet 11 is arranged on the top wall surface of the shell 1, in the embodiment, the mounting surface 14 is a horizontal surface, and the mounting shaft 22 is obliquely arranged from top to bottom. The plane of the mounting surface 14 and the longitudinal section of the mounting shaft 22 have an included angle α, which is an acute angle or an obtuse angle, preferably 70 ° < α <80 °, so that normal operation of the cleaning machine is not affected, and residual water can be shaken off by the generated vibration.

The casing 1 is located outside the casing, and the mounting surface 14 of the casing 1 is connected with the bottom wall of the casing (for example, by screws), the bottom of the casing is provided with a water outlet communicated with the washing cavity, and the water inlet 11 at the top of the casing 1 is in fluid communication with the water outlet.

The working procedure of the cleaning machine of this embodiment is as follows:

the impeller 23 and the installation shaft 22 of the drainage pump 2 are eccentrically installed, when the drainage pump 2 works, the impeller 23 moves in the shell 1 due to eccentric matching installation, the load of the impeller is periodically fluctuated, therefore, the drainage pump 2 inevitably generates certain vibration, the vibration is transmitted to the box through the connection structure of the shell 1 and the box, the whole cleaning machine is driven to generate certain vibration, the vibration is favorable for the residual water on structures such as a water channel pipeline, a spray arm, tableware, a bowl rack and the like in the cleaning machine to fall down, the residual water is converged to a water outlet of the box, then enters the shell 1 through the water inlet 11, and the shell 1 is discharged from the drainage pump 2 under the action of the drainage pump 2.

In addition, an included angle α is formed between the plane of the mounting surface 14 of the housing 1 and the longitudinal section of the mounting shaft 22, and at this time, vibration generated by the drain pump 2 generates vibration components in both vertical and horizontal directions, so as to drive the whole cleaning machine to vibrate in both directions, thereby enabling the residual water in the cleaning machine to fall more quickly.

The design can ensure that residual water in a washing cavity of the cleaning machine is as little as possible without increasing extra energy consumption, which is beneficial to subsequent more efficient drying, reduces the energy consumption of the cleaning machine and improves the use experience of customers.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (5)

1. The utility model provides a drainage mechanism for cleaning machine, includes drain pump (2), drain pump (2) include motor (21), installation axle (22) and impeller (23), motor (21) and installation axle (22) drive link to each other, impeller (23) include shaft (231) and two at least blades (232) of rotationally symmetrical installation on shaft (231), a serial communication port, offer slot (233) in the tip cartridge of supply installation axle (22) on shaft (231), slot (233) set up for the center of shaft (231) is eccentric.

2. The drainage mechanism of claim 1, wherein: still include casing (1), water inlet (11), delivery port (12) and intercommunication water inlet (11) and delivery port (12) rivers passageway (13) have been seted up on casing (1), in water passageway (13) of casing (1) are all located to installation axle (22) and impeller (23), the roof face of casing (1) is for being used for installing face (14) that link to each other with the cleaning machine, water inlet (11) are seted up on the roof face of casing (1), have contained angle alpha between the plane at installation face (14) place and the longitudinal section of installation axle (22), this contained angle is acute angle or obtuse angle.

3. The drainage mechanism of claim 2, wherein: 70 ° < α <80 °.

4. The drainage mechanism of claim 2, wherein: the mounting surface (14) is a horizontal surface, and the mounting shaft (22) is obliquely arranged from top to bottom.

5. A washer using the drainage mechanism of any one of claims 2 to 4, characterized in that: the washing device is characterized by further comprising a box body with a washing cavity, wherein the shell (1) is positioned outside the box body, a mounting surface (14) of the shell (1) is connected with the bottom wall of the box body, a water outlet communicated with the washing cavity is formed in the bottom of the box body, and a water inlet (11) at the top of the shell (1) is in fluid communication with the water outlet.