CN220494992U

CN220494992U - Cleaning machine

Info

Publication number: CN220494992U
Application number: CN202321852688.7U
Authority: CN
Inventors: 张健; 施郑赞
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-02-20
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to a cleaning machine, wherein a cleaning cavity is arranged in a machine body, a spraying structure for flushing tableware is arranged in the cleaning cavity, a pump water mechanism is provided with a pump shell, a water flow channel is arranged in the pump shell, the pump shell is provided with a water inlet and a water outlet which is in fluid communication with a water inlet end of the spraying structure, a thin film piece covered at the water outlet of the pump shell can be used for realizing proper flow control on pumped water flow, and different elastic feedback can be given to the flexible structure of the thin film piece according to different sizes of the water flow, so that the water flow can be effectively cut, bubbles wrapped in the water flow conveying are crushed, noise is avoided, and the water flow density of water delivery can be ensured.

Description

Cleaning machine

Technical Field

The utility model relates to the field of household cleaning equipment, in particular to a cleaning machine

Background

The cleaning machine is common kitchen cleaning equipment, and the labor intensity of kitchen work is greatly reduced due to the appearance of the cleaning machine. Existing washers typically provide a pump structure within the machine body for pumping water to a spray arm or similar terminal outlet portion to distribute the wash water throughout the washing chamber of the washer.

For example, the applicant has disclosed an open water pump and its application in chinese patent application No. CN201410848627.2, in the open water pump, the lower part of the impeller is an outer open structure exposed out of the casing, the upper part of the impeller is disposed in the casing and the upper end is closed, and the arrangement of the end cover is beneficial to avoiding the formation of a vortex between the upper end of the impeller and the inner top wall of the accommodating cavity, reducing energy loss, improving work applied to the fluid, and thus improving the water outlet flow velocity of the spray arm, and further improving the cleaning effect.

Although the open water pump can pump cleaning water, dynamic and static interference exists between the blades and the volute in the rotating process, so that the noise is extremely high. In addition, the centrifugal pump system can generate more bubbles in the process, the output capacity is reduced due to the reduction of the liquid density, and the lift of water sprayed by the spray arm is reduced, so that the tableware cleaning is not facilitated.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a cleaning machine which is provided with pulse water supply and can cut bubbles aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: a cleaning machine, comprising:

the machine body is internally provided with a cleaning cavity, and a spraying structure for washing tableware is arranged in the cleaning cavity;

the pump water mechanism is provided with a pump shell, a water flow channel is arranged in the pump shell, and the pump shell is provided with a water inlet and a water outlet which is in fluid communication with the water inlet end of the spraying structure;

the film piece is covered at the water outlet of the pump shell and is positioned on the flow path of the cleaning water, and the film piece can be locally deformed under the impact of water flow, so that a water passing notch for the cleaning water to flow to the spraying structure in one direction is formed.

Preferably, the body has a housing and a base, wherein the housing is assembled on top of the base to form the washing chamber, the pump housing is disposed in the base, and an upper end is located in the washing chamber.

In order to achieve a washing of the dishes in the washing chamber, it is preferred that the spray arrangement comprises at least a spray arm arranged on top of the base and located in the washing chamber, which spray arm is arranged to be rotatable relative to the base and whose axis of rotation extends vertically.

Specifically, the pump shell extends vertically, a pumping chamber is formed in the pump shell, the water inlet is formed in the side wall of the pump shell, the opening at the top of the pump shell is the water outlet, and the water inlet is in fluid communication with the water outlet through the pumping chamber, so that the water flow channel is formed.

Further, the spray arm is rotatably constrained to the upper end of the pump housing.

In order to ensure a preliminary cutting of the air bubbles, the water outlet is preferably further provided with a support rib, on which the membrane element covers.

In order to realize the connection of the film member, preferably, the film member includes at least two flexible sheets which are sequentially arranged in the circumferential direction of the water outlet and extend towards the inner side of the water outlet, and each flexible sheet can be bent upwards under the action of water flow, so that the water passing notch is formed in the middle of the whole film member.

In order to achieve the water pumping function, the water pumping mechanism preferably further comprises a piston part and a driving part, wherein the piston part is positioned in the water flow channel, and the power output end of the driving part is in driving connection with the piston part, so that the driving part is driven to reciprocate relative to the pump shell.

Specifically, the water pumping mechanism also comprises a driving wheel, wherein the lower end of the piston part is positioned below the pump shell and connected to the driving wheel, and can vertically reciprocate under the rotation action of the driving wheel.

In order to achieve the transmission of power, the drive part is preferably arranged beside the pump housing, and the output end of the drive part is provided with a first transmission tooth, the transmission wheel is coaxially connected with a second transmission tooth, and the first transmission tooth is meshed with the second transmission tooth so as to enable the transmission wheel to be linked with the drive part.

Preferably, the piston member comprises a flexible disc body and a swing arm, wherein the upper end of the swing arm is connected to the bottom of the flexible disc body, and the lower end of the swing arm is eccentrically connected to the driving wheel.

Specifically, the flexible disk body is in a disk-shaped structure matched with the inner wall of the pumping chamber.

Compared with the prior art, the utility model has the advantages that: in this cleaning machine, utilize the film spare that covers in pump case delivery port department can realize appropriate amount flow control to the rivers of pump sending, the flexible construction of film spare can give different elasticity feedback according to the size difference of rivers, so can effectual cutting rivers, pulverize the bubble that holds in the rivers transport, avoid producing the noise, also can guarantee the rivers density of delivering water.

Drawings

FIG. 1 is a schematic view of the overall structure of a cleaning machine according to an embodiment of the present utility model;

FIG. 2 is an overall schematic view of a base;

FIG. 3 is an enlarged schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic view of the base with a part of the structure omitted (the thin film piece is opened to form a water gap);

FIG. 5 is a schematic view of the chassis with a portion of the chassis omitted (the film member is closed);

FIG. 6 is an overall cross-sectional view of the pumping mechanism;

fig. 7 is an overall exploded schematic view of the pumping mechanism.

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 7, a preferred embodiment of the present utility model is shown. In this embodiment, the cleaning machine comprises a machine body 1, a pumping mechanism 3 and a membrane element 5. The machine body 1 is provided with the cleaning cavity 10 inside, the cleaning cavity 10 is internally provided with the spraying structure 2 for washing tableware, the spraying structure 2 in the embodiment at least comprises the spraying arm 21 which is arranged at the top of the base 12 and is positioned in the cleaning cavity 10, the spraying arm 21 is arranged to rotate relative to the base 12, and the rotation axis of the spraying arm extends vertically.

The body 1 has a housing 11 and a base 12, wherein the housing 11 is assembled on top of the base 12 to form a washing chamber 10, and the pumping mechanism 3 is disposed in the base 12. In order to achieve a water supply to the spray structure 2, the above-mentioned water pumping mechanism 3 has a pump housing 31, in which pump housing 31 a water flow channel 30 is provided, the water outlet end of the water flow channel 30 being in fluid communication with the water inlet end of the spray structure 2, a piston part 32 being provided in the pump housing 31 and being arranged to reciprocate relative to the pump housing 31 so as to pump the washing water from the water flow channel 30 into the spray structure 2, while the power output end of the above-mentioned driving part 4 is in driving connection with the piston part 32.

The pump housing 31 in this embodiment extends vertically, and the interior thereof is hollow to form a pumping chamber 3b, and the pumping mechanism 3 further includes a piston member 32 and a driving member 4 disposed in the water flow passage 30, wherein the piston member 32 is disposed in the pumping chamber 3b and is movable up and down with respect to the pumping chamber 3 b. The pump housing 31 is further provided with a water inlet 3a and a water outlet 3c, and the water inlet 3a is in fluid communication with the water outlet 3c through the pumping chamber 3b to form a water flow channel 30. The water inlet 3a is formed on the side wall of the pump housing 31, and the opening at the top of the pump housing 31 is the water outlet 3c. The shower arm 21 is rotatably constrained to the upper end of the pump housing 31.

In order to achieve power transmission, the pumping mechanism 3 in this embodiment further includes a driving wheel 33, and the lower end of the piston member 32 is located below the pump housing 31 and connected to the driving wheel 33, and can reciprocate vertically under the rotation of the driving wheel 33. The driving part 4 is arranged beside the pump housing 31 and has a first gear 41 at its output end, the driving wheel 33 is coaxially connected with a second gear 34, the first gear 41 is meshed with the second gear 34 to cause the driving wheel 33 to be interlocked with the driving part 4.

The piston member 32 in this embodiment includes a flexible disc 321 and a swing arm 322, wherein the upper end of the swing arm 322 is connected to the bottom of the flexible disc 321, and the lower end of the swing arm 322 is eccentrically connected to the driving wheel 33. And the flexible disk 321 has a disk-like structure adapted to the inner wall of the pumping chamber 3 b.

In order to ensure cutting of the water flow and avoid carrying a lot of bubbles, the film member 5 is covered on the water outlet 3c of the pump housing 31 and is located on the flow path of the cleaning water, and the film member 5 can be partially deformed under the impact of the water flow, so as to form the water passing notch 50 for the cleaning water to flow unidirectionally into the shower structure 2. Specifically, the water outlet 3c is further provided with a support rib 52, and the membrane element 5 covers the support rib 52. The membrane element 5 in this embodiment includes at least two flexible sheets 51 which are sequentially arranged in the circumferential direction of the water outlet 3c and extend toward the inner side of the water outlet 3c, and each flexible sheet 51 can be bent upwards under the action of water flow, so that a water passing notch 50 is formed in the middle of the whole membrane element 5.

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.

Furthermore, directional terms, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used in the description and claims of the present utility model to describe various example structural parts and elements of the present utility model, but are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. A cleaning machine, comprising:

the machine body (1) is internally provided with a cleaning cavity (10), and a spraying structure (2) for washing tableware is arranged in the cleaning cavity (10);

a water pumping mechanism (3) provided with a pump shell (31), wherein a water flow channel (30) is arranged in the pump shell (31), and the pump shell (31) is provided with a water inlet (3 a) and a water outlet (3 c) which is in fluid communication with the water inlet end of the spraying structure (2);

it is characterized in that the method also comprises the following steps:

and a film part (5) which is covered at the water outlet (3 c) of the pump shell (31) and is positioned on the flow path of the cleaning water, wherein the film part (5) can be locally deformed under the impact of water flow, so that a water passing notch (50) for the cleaning water to flow into the spraying structure (2) in a unidirectional way is formed.

2. The cleaning machine of claim 1, wherein: the machine body (1) is provided with a machine shell (11) and a base (12), wherein the machine shell (11) is assembled on the top of the base (12) to form the cleaning cavity (10), the pump shell (31) is arranged in the base (12), and the upper end of the pump shell is positioned in the cleaning cavity (10).

3. The cleaning machine of claim 2, wherein: the spray structure (2) comprises at least a spray arm (21) arranged at the top of the base (12) and positioned in the cleaning cavity (10), wherein the spray arm (21) is arranged to rotate relative to the base (12) and the rotation axis of the spray arm extends vertically.

4. A cleaning machine as claimed in claim 3, wherein: the pump shell (31) vertically extends, a water pumping chamber (3 b) is formed in the interior of the pump shell, the water inlet (3 a) is formed in the side wall of the pump shell (31), the opening at the top of the pump shell (31) is the water outlet (3 c), and the water inlet (3 a) is in fluid communication with the water outlet (3 c) through the water pumping chamber (3 b), so that the water flow channel (30) is formed.

5. The cleaning machine of claim 4, wherein: the shower arm (21) is rotatably restrained at the upper end of the pump housing (31).

6. The cleaning machine of claim 5, wherein: the water outlet (3 c) is also provided with a support rib (52), and the film piece (5) covers the support rib (52).

7. The cleaning machine of claim 6, wherein: the thin film piece (5) comprises at least two flexible sheets (51) which are sequentially arranged in the circumferential direction of the water outlet (3 c) and extend towards the inner side of the water outlet (3 c), and each flexible sheet (51) can be upwards bent under the action of water flow, so that a water passing notch (50) is formed in the middle of the whole thin film piece (5).

8. The cleaning machine of claim 7, wherein: the water pumping mechanism (3) further comprises a piston part (32) and a driving part (4), wherein the piston part (32) is positioned in the water flow channel (30), and the power output end of the driving part (4) is in driving connection with the piston part (32), so that the piston part (32) is driven to reciprocate relative to the pump shell (31).

9. The cleaning machine of claim 8, wherein: the water pumping mechanism (3) further comprises a driving wheel (33), wherein the lower end of the piston part (32) is positioned below the pump shell (31) and connected to the driving wheel (33), and can vertically reciprocate under the rotation action of the driving wheel (33).

10. The cleaning machine of claim 9, wherein: the driving part (4) is arranged beside the pump shell (31), a first transmission tooth (41) is arranged at the output end of the driving part, a second transmission tooth (34) is coaxially connected with the transmission wheel (33), and the first transmission tooth (41) is meshed with the second transmission tooth (34) so as to enable the transmission wheel (33) to be linked with the driving part (4).

11. The cleaning machine of claim 10, wherein: the piston part (32) comprises a flexible disc body (321) and a swing arm (322), wherein the upper end of the swing arm (322) is connected to the bottom of the flexible disc body (321), and the lower end of the swing arm is eccentrically connected to the driving wheel (33).

12. The cleaning machine of claim 11, wherein: the flexible disc body (321) is of a disc-shaped structure which is matched with the inner wall of the pumping chamber (3 b).