CN210196120U

CN210196120U - Impeller, water pump and cleaning machine

Info

Publication number: CN210196120U
Application number: CN201920360509.5U
Authority: CN
Inventors: Xiaobo Zhou; 周小波; Zhenxiang Zhou; 周桢翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-03-27
Anticipated expiration: 2029-03-20

Abstract

The utility model relates to a wash technical field, concretely relates to impeller, water pump and cleaning machine. The impeller comprises a central shaft and a plurality of blades which are distributed on the peripheral surface of the central shaft at intervals, wherein the plurality of blades are non-uniformly distributed along the peripheral surface of the central shaft. The blades of the impeller are distributed along the non-uniform periphery of the central shaft, so that water flow pumped by the impeller is distributed in a pulse mode, when tableware and parts are washed, impact force changes periodically, strength and weakness exist, and a better cleaning effect can be achieved. The problem of among the prior art cleaning machine's spun rivers impact force last the same, clean effect is poor is solved.

Description

Impeller, water pump and cleaning machine

Technical Field

The utility model relates to a wash technical field, concretely relates to impeller, water pump and cleaning machine.

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 above-mentioned various types of dish washers generally achieve a washing action by a water pump lifting up water and spraying it toward dishes in a washing space. For example, applications CN97236119.7, CN00240098.7, and CN200710306898.5 disclose various structures of dish washing machines, which can achieve a certain washing effect on dishes, but the impact force of the sprayed water flow is continuously the same, and the impact force cannot be relatively large, so that the cleaning effect on stubborn stains on the dishes is not obvious.

SUMMERY OF THE UTILITY MODEL

In order to solve the cleaning machine among the prior art's blowout rivers impact force and last the same, clean poor problem of effect, the utility model provides an impeller, water pump and cleaning machine has solved above-mentioned technical problem. The technical scheme of the utility model as follows:

the impeller comprises a central shaft and at least two blades which are distributed on the peripheral surface of the central shaft at intervals, wherein the at least two blades are non-uniformly distributed along the peripheral surface of the central shaft.

The blades of the impeller are distributed along the non-uniform periphery of the central shaft, so that water flow pumped by the impeller is distributed in a pulse mode, when tableware and parts are washed, impact force changes periodically, strength and weakness exist, and a better cleaning effect can be achieved.

Further, the number of the blades is even, and the plurality of blades are arranged in a central symmetry manner about the axis o of the central shaft.

Furthermore, the radial extending directions of the plurality of blades are all arranged towards the axis of the central shaft, and the central angles formed by at least part of adjacent blades are different.

Further, the radial extending direction of at least one group of centrosymmetric blades is deviated from the axis o of the central shaft, and the circumferential distance between at least partial adjacent blades is different.

Furthermore, the number of the blades is 8, the radial extending directions of 4 groups of blades which are centrosymmetric are all deviated from the axis o of the central shaft, and two groups of centrosymmetric blades which are randomly arranged at intervals are mutually vertical.

Further, the blades are axially divided into water throwing blades and water absorbing blades, and the water throwing blades and the water absorbing blades are integrally formed or fixedly connected.

A water pump is characterized by comprising the impeller.

The impeller is driven to rotate by the driving device, and water sucked by the impeller is sprayed out through the spray arms.

Further, the connecting piece is that both ends open-ended are cylindric, connecting piece one end extends there is the stabilizer blade, the connecting piece passes through the stabilizer blade with drive arrangement connects, the other end of connecting piece with spray arm rotatable coupling, the connecting piece with spray arm inside intercommunication just holds jointly the impeller.

A cleaning machine comprises the water pump.

Based on the technical scheme, the utility model discloses the technological effect that can realize does:

1. the impeller, the water pump and the cleaning machine of the utility model have the advantages that the blades of the impeller are distributed along the outer peripheral surface of the central shaft in a non-uniform way, when the impeller rotates, the water throwing amount between the blades is not completely the same, the water throwing amount is large or small, wave-shaped water throwing is formed, when tableware and parts are cleaned, the impact force is periodically changed, and the strength is strong or weak, so that better cleaning effect can be realized;

2. the impeller, the water pump and the cleaning machine of the utility model can ensure the integral balance of the impeller by arranging the blades in an even number and in centrosymmetric arrangement; by arranging the radial extension direction of the blades towards the axis of the central shaft, central angles formed between a plurality of adjacent blades are not completely the same, different central angles correspond to different water throwing amounts, the larger the central angle is, the larger the water throwing amount is, so that a wave pulse effect can be formed, the impact force of water flow is correspondingly changed, and the cleaning effect is good; in another arrangement mode, the radial extension direction of at least one group of centrosymmetric blades deviates from the axis of the central shaft, and the accommodating spaces between adjacent blades are changed, so that the accommodating spaces are different in size, when the impeller rotates, the accommodating spaces with different sizes have different corresponding water throwing amounts, and when the accommodating spaces are large, the water throwing amount is large, so that a wave pulse effect can be formed, the water flow impact force is correspondingly changed, and the cleaning effect is good;

3. the utility model discloses a water pump and cleaning machine, through setting up drive arrangement and spray arm, drive arrangement drive impeller rotates, and water is from the rivers passageway that is inhaled the spray arm between connecting piece and the drive arrangement, and from the orifice blowout on the spray arm again, the impact force through spray arm spun water is the pulse variation, and is clean effectual, can clear away stubborn spot.

Drawings

Fig. 1 is a schematic structural diagram of an impeller according to a first embodiment of the present invention;

FIG. 2 is a perspective view of the impeller;

FIG. 3 is a top view of an impeller according to the first embodiment;

fig. 4 is an exploded view of the water pump of the present invention;

FIG. 5 is a partial cross-sectional view of the water pump;

FIG. 6 is a schematic view of the structure of the cleaning machine;

FIG. 7 is a plan view of an impeller according to a second embodiment;

in the figure: 1-an impeller; 11-a central axis; 12-a blade; 121-water throwing blades; 122-water absorbing blades; 2-a spray arm; 21-spraying holes; 22-an upper receiving cavity; 23-a flow channel; 3-a drive device; 31-a drive shaft; 4-a connector; 41-a leg; 42-lower receiving cavity; 5-a gasket; 6-a clamping piece; 7-a cleaning tank; 8-a water tank; 9-cover plate.

Detailed Description

The contents of the present invention will be further described with reference to the accompanying drawings.

Example one

As shown in fig. 1 to 6, the present embodiment provides an impeller including a central shaft 11 and a plurality of blades 12, the plurality of blades 12 being spaced and non-uniformly distributed on an outer circumferential surface of the central shaft 11. Through the non-uniform distribution of the plurality of blades 12 on the central shaft 11, the water throwing amount between the adjacent blades 12 is not completely the same, and the water throwing amount is small or large, so that the wavy water throwing is formed.

The central shaft 11 is a hollow cylinder, the plurality of blades 12 are distributed on the central shaft 11 and extend along the axial direction, the blades 12 are axially divided into water throwing blades 121 and water absorbing blades 122, and the water throwing blades 121 and the water absorbing blades 122 are integrally formed or fixedly connected. The water throwing blades 121 extend linearly along the axial direction, and the water absorbing blades 122 extend spirally along the axial direction.

The plurality of blades 12 are non-uniformly distributed on the outer peripheral surface of the central shaft, in the embodiment, the number of the blades 12 is even, the plurality of blades 12 are centrosymmetric about the axis o of the central shaft 11, and the size of the diagonal central angle can be equal by arranging the plurality of blades 12 to be centrosymmetric about the axis o of the central shaft 11. Specifically, the radial extending directions of the plurality of blades 12 are all towards the axis o of the central shaft 11, that is, the radial extending directions of the plurality of blades 12 pass through the axis o of the central shaft 11, a central angle is formed between two adjacent blades 12, when the number of the blades 12 is N, the number of the central angles corresponds to N, and the non-uniform distribution of the plurality of blades 12 on the central shaft 11 is realized by setting the angles of the N central angles to be at least partially different.

Specifically, as shown in fig. 3, the number of the blades 12 is set to 8, the 8 blades 12 are all disposed toward the axis of the central shaft 11, in the uniformly distributed state, the central angle between adjacent blades 12 is γ, and the rotation of the set of the blades 12 is deviated from the uniformly distributed state, then two central angles adjacent to the set of the blades 12 are α and β, respectively, and a < γ < β, then a < γ < β, then during water slinging, the water slinging amount corresponding to the central angle α < the water slinging amount corresponding to the central angle γ < the water slinging amount corresponding to the central angle β, the water slinging amount changes in a wave pulse manner, and the cleaning effect is good, since the blades 12 are distributed symmetrically at a certain angle with respect to the position at which the blades are uniformly distributed, and thus the blades 12 are in a non-uniform distribution state, and the impeller is equal in size and can be ensured.

This embodiment still provides a water pump, including impeller 1, spray arm 2 and drive arrangement 3, drive arrangement 3 drive impeller 1 rotates, and the rivers that impeller 1 inhaled are through the 2 blowout of spray arm, are waited to wash the thing. The inside of spray arm 2 is hollow structure, and the centre of spray arm 2 is formed with and holds cavity 22, and the both sides of spray arm 2 are equipped with and hold the runner 23 of cavity 22 intercommunication on, and the upper surface of spray arm 2 is provided with orifice 21. Specifically, the spray arm 2 is connected with the driving device 3 through the connecting piece 4, the connecting piece 4 is cylindrical with two open ends, a containing cavity 42 is formed inside the connecting piece 4, a supporting leg 41 extends axially from one end of the connecting piece 4, the supporting leg 41 is fixedly connected with the driving device 3, the other end of the connecting piece 4 is rotatably connected with the spray arm 2, and the connecting piece 4 is communicated with the inside of the spray arm 2.

Further, the number of the legs 41 is at least two, at least two legs 41 are evenly distributed along the circumference of the connecting member 4, the legs 41 can be integrally formed with or fixedly connected to the connecting member 4, and the legs 41 extend parallel to the axis of the connecting member 4. By providing the legs 41 to connect with the drive means 3, the interior of the connecting member 4 can be made to communicate with the outside, and water can enter the interior of the connecting member 4 from between the connecting member 4 and the drive means 3. The driving shaft 31 of the driving device 3 extends into the connecting piece 4 and the spraying arm 2, the driving shaft 31 drives the impeller 1 to rotate, the impeller 1 is located in an accommodating cavity formed by the connecting piece 4 and the spraying arm 2 together, specifically, the water absorbing blades 122 of the impeller 1 are located in the cylindrical lower accommodating cavity 42 of the connecting piece 4, and the water throwing blades 121 are located in the upper accommodating cavity 22 on the spraying arm 2. Under the action of the water absorbing blades 122, water flows into the accommodating cavity from between the connecting piece 4 and the driving device 3, then is thrown to the flow channel 23 from the upper accommodating cavity 22 under the action of the water throwing blades 121, and finally is sprayed out through the spray holes 21 to clean the part to be cleaned.

Further, the spray arm 2 is rotatably provided on the link 4 by the snap-in member 6. Specifically, the spray arm 2 is rotatably connected with the clamping piece 6, and the clamping piece 6 is clamped with the connecting piece 4.

Preferably, the end of the leg 41 connected to the driving device 3 is further provided with a gasket 5 to facilitate waterproofing.

Preferably, the driving means 3 is selected from, but not limited to, an electric motor.

This embodiment also provides a cleaning machine, including above-mentioned water pump, washing tank 7 and basin 8, the water pump is installed in the bottom of washing tank 7. Drive arrangement 3 is located the outside of washing tank 7, and connecting piece 4, joint spare 6 and spray arm 2 all set up in the inside of washing tank 7, and stabilizer blade 41 is connected with drive arrangement 3, and packing ring 5 plays waterproof effect. A water tank 8 is provided at one side of the washing tank 7 to be used as a conventional water tank.

Example two

As shown in fig. 7, the present embodiment is substantially the same as the first embodiment except that the blades 12 of the impeller 1 are arranged differently. In this embodiment, the included angles formed between two adjacent blades are equal, but the radial extension direction of at least one group of blades 12 with central symmetry deviates from the axis o of the central shaft 11. That is, at least one set of centrosymmetric blades 12 is shifted in parallel by a small distance relative to its uniformly distributed position, that is, the plurality of blades 12 are in a non-uniform distribution state by shifting at least one set of centrosymmetric blades 12 from its uniformly distributed position. Specifically, as shown in fig. 7, the number of the blades 12 is set to be 8, the included angle formed between two adjacent blades 12 is equal, but three groups of the blades 12 in central symmetry deviate from the axis o of the central shaft 11 in the radial extending direction, so that the circumferential distances of the adjacent blades 12 are different when the radii are the same with the axis o as the center, and at least two circumferential distances S1 and S2 occur, where S2> S1, when the circumferential distances are different, the blade gap with the large circumferential distance is large, and the corresponding water slinging amount is large when the blade gap is large, that is, the water slinging amount corresponding to the circumferential distance S2> the water slinging amount corresponding to the circumferential distance S1. The water throwing amount is changed by wave pulse, the impact force is also changed by wave pulse, and the cleaning effect is good. Since the plurality of blades 12 are arranged in a centrosymmetric manner, the two central angles at opposite angles have the same size, so that the balance of the impeller 1 can be ensured.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An impeller comprises a central shaft (11) and at least two blades (12) which are distributed on the outer peripheral surface of the central shaft (11) at intervals, and is characterized in that the at least two blades (12) are non-uniformly distributed along the outer peripheral surface of the central shaft (11);

the radial extension directions of the blades (12) are all arranged towards the axis o of the central shaft (11), and the central angles formed by at least part of adjacent blades (12) are different; or the radial extension direction of at least one group of blades (12) with central symmetry is deviated from the axis o of the central shaft (11), and the circumferential distance between at least part of adjacent blades (12) is different.

2. An impeller according to claim 1, characterized in that said blades (12) are in an even number, and a plurality of said blades (12) are arranged with central symmetry about the axis o of the central shaft (11).

3. An impeller according to claim 2, characterized in that the number of said blades (12) is 8, the radial extension of 4 groups of centrosymmetric blades (12) is deviated from the axis o of said central shaft (11), and two groups of centrosymmetric blades (12) arranged at any interval are perpendicular to each other.

4. An impeller according to any one of claims 1 to 3, characterized in that the blades (12) are divided in the axial direction into water slinging blades (121) and water absorbing blades (122), the water slinging blades (121) and the water absorbing blades (122) being integrally formed or fixedly connected.

5. A water pump, characterized in that it comprises an impeller (1) according to any one of claims 1-4.

6. A water pump according to claim 5, characterized in that, it further comprises a spray arm (2) and a driving device (3), the driving device (3) is connected with the spray arm (2) through a connecting piece (4), the driving device (3) drives the impeller (1) to rotate, and the water sucked by the impeller (1) is sprayed out through the spray arm (2).

7. A water pump according to claim 6, characterized in that the connecting member (4) is cylindrical with two open ends, a support leg (41) extends from one end of the connecting member (4), the connecting member (4) is connected to the driving device (3) through the support leg (41), the other end of the connecting member (4) is rotatably connected to the spray arm (2), and the connecting member (4) and the spray arm (2) are internally communicated and jointly accommodate the impeller (1).

8. A washing machine, characterized by comprising a water pump according to any one of claims 5-7.