CN216777007U

CN216777007U - Spraying mechanism for cleaning machine and cleaning machine

Info

Publication number: CN216777007U
Application number: CN202123010090.7U
Authority: CN
Inventors: 范文粲; 侯富龙; 魏瑞晖; 朱灯光
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-21
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a spraying mechanism for a cleaning machine and the cleaning machine, and the spraying mechanism for the cleaning machine comprises a spraying arm, wherein a flow passage is arranged in the spraying arm; the water pumping assembly is used for pumping water into a flow channel of the spray arm through a water inlet of the spray arm and comprises a motor, and an output shaft of the motor is arranged along the vertical direction; the method is characterized in that: an output shaft of the motor penetrates through the spray arm and is positioned above the spray arm; the spraying mechanism also comprises a transmission mechanism which is positioned on the spraying arm, the power input end of the transmission mechanism is connected with the output shaft of the motor, and the power output end of the transmission mechanism is connected with the spraying arm and is used for driving the spraying arm to rotate around the output shaft of the motor. The rotating speed of the spraying arm is controlled through the rotating speed of the motor and the transmission mechanism, and the spraying arm rotates more stably and reliably.

Description

Spraying mechanism for cleaning machine and cleaning machine

Technical Field

The utility model relates to a cleaning machine, in particular to a spraying mechanism for the cleaning machine and the cleaning machine.

Background

A washing machine is an apparatus that sprays cold or hot water to dishes to remove dirt adhered to the dishes or fruits and vegetables and wash the dishes or fruits and vegetables. The existing spray type cleaning machine generally realizes the spraying in various directions through the rotation of a sprayer.

Chinese utility model patent "basin formula cleaning machine" as applicant previously applied for, its patent application number is CN201320889945.4 and discloses a basin formula cleaning machine, including the box that forms the washing space, the box includes basin body and rotates the apron of connection on the basin body, and the bottom of basin body has recessed waterlogging caused by excessive rainfall region at the central part at least, and the waterlogging caused by excessive rainfall is regional to be provided with the water pump that pumps the water in the waterlogging caused by excessive rainfall region in to the regional top washing space of waterlogging caused by excessive rainfall, and the regional waterlogging caused by excessive rainfall covers has the waterlogging caused by excessive rainfall board of taking the waterlogging caused by excessive rainfall hole, and the waterlogging caused by excessive rainfall board top is equipped with the rotatory spray arm that is used for the water pump to go out water, still is equipped with the heater in the waterlogging caused by excessive rainfall region. The water pump drives the impeller to rotate, so that water is pumped into the spray arm, the spray arm is driven to rotate under the action of water flow, and therefore the rotation of the spray arm is influenced by factors such as water quantity and detergent, the rotation speed is fast and slow, the cleaning effect is limited, and tableware, fruits and vegetables and the like in the cleaning machine cannot be uniformly and stably sprayed and cleaned.

Accordingly, further improvements to existing spray mechanisms are needed.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a spraying mechanism for a cleaning machine, in which the rotation speed of a spraying arm is controllable, in view of the current state of the prior art.

The utility model aims to solve the second technical problem of providing a cleaning machine with a spray arm with controllable rotating speed.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a spray mechanism for a cleaning machine comprising:

the spraying arm is internally provided with a flow channel, a top wall plate of the spraying arm is provided with a spraying hole communicated with the flow channel, and the bottom wall of the spraying arm is provided with a water inlet communicated with the flow channel;

the water pumping assembly is used for pumping water into a flow channel of the spray arm through a water inlet of the spray arm and comprises a motor, and an output shaft of the motor is arranged along the vertical direction;

the method is characterized in that: an output shaft of the motor penetrates through the spray arm and is positioned above the spray arm; should spray the mechanism and also include:

and the transmission mechanism is positioned on the spray arm, the power input end of the transmission mechanism is connected with the output shaft of the motor, and the power output end of the transmission mechanism is connected with the spray arm and is used for driving the spray arm to rotate around the output shaft of the motor.

In order to protect the transmission mechanism and reduce the contact of residues to the transmission mechanism, a cavity is arranged above the spray arm, and the transmission mechanism is partially positioned outside the cavity and is connected with the spray arm.

The cavity can be formed in various forms, such as a cavity formed between the outer cover and the top wall plate of the spray arm, or a cavity formed by the outer cover, but preferably, the outer cover is arranged on the spray arm, and the cavity is formed in the outer cover.

Preferably, the transmission mechanism is a speed reduction mechanism, the speed reduction mechanism comprises a driving pinion, a connecting shaft, a first driven gearwheel, a driven pinion, a second driven gearwheel and a connecting strip, the driving pinion is relatively fixed on an output shaft of the motor, the connecting shaft and the output shaft of the motor are arranged side by side at intervals, the first driven gearwheel is relatively fixed on the connecting shaft and meshed with the driving pinion, the driven pinion is relatively fixed on the connecting shaft, the second driven gearwheel can be rotatably arranged on the output shaft of the motor and meshed with the driven pinion, one end of the connecting strip is connected with the second driven gearwheel, and the other end of the connecting strip penetrates out of the cavity and is connected with the spray arm.

The speed reducing mechanism can also adopt a one-stage speed reducing mode, specifically, a driving pinion is arranged on an output shaft of the motor, a driven gearwheel is arranged on a connecting shaft which is arranged with the output shaft of the motor at intervals side by side, the driving pinion is meshed with the driven gearwheel, and the driven gearwheel is connected with the spraying arm through a connecting strip.

The second driven gearwheel may be located above the drive pinion as well as below the drive pinion, but preferably the second driven gearwheel is located above the drive pinion and the driven pinion is located above the first driven gearwheel.

The mounting mode of connecting strip and driven gear wheel of second and spray arm has the multiple, can adopt the form of grafting cooperation, also can adopt the form of fixed connection like the form of buckle connection, but preferably, seted up on the driven gear wheel of second and supplied the mounting hole that one end of connecting strip inserted wherein, seted up the undercut on the roof of spray arm and supplied the recess that the other end of connecting strip inserted wherein.

In order to accelerate the water flow to flow into the flow channel of the spray arm, the water pumping assembly further comprises an impeller, an output shaft of the motor penetrates through the water inlet, and the impeller is installed on the output shaft of the motor and is at least partially positioned in the flow channel of the spray arm.

In order to realize the installation of the spray arm, the spray arm further comprises an assembly ring and a flow guide seat used for being fixed on the cleaning machine, wherein the assembly ring is locally positioned on the flow guide seat and is installed on the flow guide seat, and the spray arm can be rotatably arranged on the assembly ring.

In order to realize the cleaning and cooling of the transmission mechanism, the cooling device further comprises a plurality of connecting pipes, the spraying holes are formed, one end of each connecting pipe is connected with one of the spraying holes, and the other end of each connecting pipe is communicated with the cavity. Therefore, water flow sprayed out of the spraying holes of the spraying arm enters the cavity through the connecting pipe to clean and cool the transmission mechanism in the cavity.

In order to discharge the water in the cavity in time, an opening through which an output shaft of the motor passes is formed in the wall plate of the cavity, and a gap for water to flow out is formed between the opening and the output shaft of the motor. The water thus cleaned flows out through the gap.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: the cleaning machine with the spraying mechanism is characterized in that: the washing machine comprises a box body, wherein a washing cavity is formed in the box body, a motor is arranged on the bottom of the box body, and a spraying arm is positioned in the washing cavity.

Compared with the prior art, the utility model has the advantages that: this spray mechanism drives the spray arm rotation through the motor in the pump water subassembly as the drive under drive mechanism's transmission, realizes the control to spray arm rotational speed through the rotational speed of motor and drive mechanism promptly, and spray arm rotation is more reliable and more stable, has overcome the unstable problem of spray arm rotation that relies on rivers drive to bring completely among the background art. In addition, the transmission mechanism is positioned outside the spray arm, so that the occupation of the inner space of the spray arm and the space between the spray arm and the motor is reduced, and the structure is more reasonable.

Drawings

Fig. 1 is a schematic structural view of the spraying mechanism of the present embodiment;

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

FIG. 3 is an enlarged view of section I of FIG. 1;

FIG. 4 is a cross-sectional view at another angle of FIG. 1;

fig. 5 is a cross-sectional view of the cleaning machine.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 5, the washing machine of the present embodiment is used to wash dishes or fruits and vegetables. The cleaning machine comprises a box body 8 and a spraying mechanism. Wherein the cabinet 8 has a washing chamber 80 therein.

As shown in fig. 1 to 4, the spraying mechanism includes a spraying arm 1, a water pumping assembly 2, a transmission mechanism 3, a housing 4, an assembly ring 5, a guide seat 6 and a connecting pipe 7.

As shown in fig. 5, the spray arm 1 is located in the washing chamber 80, is disposed at a position adjacent to the bottom of the washing chamber 80, and is arranged to rotate relative to the cabinet 8. In addition, the spray arm 1 may be provided on a sidewall of the washing chamber 80. In order to realize the rotary connection of the spray arm 1, a water flow channel is arranged inside the guide seat 6 and is arranged on a draining plate (not shown) in the washing cavity 80; the assembly ring 5 is partially positioned above the flow guide seat 6 and is arranged on the upper part of the flow guide seat 6, and the spray arm 1 can be rotatably arranged on the assembly ring 5. As shown in fig. 1 to 5, the spray arm 1 has a flow channel 10 inside, and the top wall plate of the spray arm 1 is provided with at least two spray holes 101 communicated with the flow channel 10, and the bottom wall of the spray arm 1 is provided with a water inlet 102 communicated with the flow channel 10 at a position near the center, and the water inlet 102 may also be located at a position deviated from the center.

As shown in fig. 2 to 4, the water pumping assembly 2 is used for pumping water into the flow channel 10 of the spray arm 1 through the water inlet 102 of the spray arm 1, and includes a motor 21 and an impeller 22, the motor 21 is disposed on the bottom of the box 8, and an output shaft of the motor 21 is disposed along the up-down direction and passes through the top wall plate of the spray arm 1 after passing through the water inlet 102. The impeller 22 comprises an upper impeller 221 and a lower impeller 222 which are sequentially arranged from top to bottom, the impeller 22 is installed on an output shaft of the motor 21, the upper part of the upper impeller 221 is located in the flow channel 10 of the spray arm 1, the lower part of the upper impeller 221 is located in the water inlet 102, and the lower impeller 221 is located in the water flow channel of the guide seat 6.

As shown in fig. 1 to 4, a housing 4 is disposed on the spray arm 1, and a cavity 40 is formed inside the housing 4. The transmission mechanism 3 is partially located in the cavity 40, a power input end of the transmission mechanism 3 is connected with an output shaft of the motor 21, and a power output end of the transmission mechanism 3 is connected with the spray arm 1 and is used for driving the spray arm 1 to rotate around the output shaft of the motor 21. The aforementioned transmission mechanism 3 is a speed reducing mechanism, as shown in fig. 3, the speed reducing mechanism includes a driving pinion 31, a connecting shaft 32, a first driven gearwheel 33, a driven pinion 34, a second driven gearwheel 35 and a connecting strip 36, the driving pinion 31 is relatively fixed on an output shaft of the motor 21, the connecting shaft 32 and the output shaft of the motor 21 are arranged side by side at intervals and are disposed on the outer cover 4, the first driven gearwheel 33 is relatively fixed on the connecting shaft 32 and is engaged with the driving pinion 31, and the driven pinion 34 is relatively fixed on the connecting shaft 32 and is located above the first driven gearwheel 33. A second driven gearwheel 35 is rotatably arranged on the output shaft of the motor 21 above the drive pinion 31 and meshes with the driven pinion 34. The second driven gearwheel 35 is provided with a mounting hole 351 for inserting one end of the connecting strip 36 therein, and the top wall of the spray arm 1 is provided with a groove 11 which is recessed downwards for inserting the other end of the connecting strip 36 therein, so that one end of the connecting strip 36 is connected with the second driven gearwheel 35, and the other end of the connecting strip 36 penetrates through the cavity 40 to be connected with the spray arm 1. In summary, when the motor 21 is operated, the output shaft thereof is driven to rotate, the driving pinion 31 thereon rotates and drives the connecting shaft 32 to rotate through being meshed with the first driven gearwheel 33 and being transmitted to the connecting shaft 32, when the connecting shaft 32 rotates, the driven pinion 34 is driven to rotate, and then the second driven gearwheel 35 is driven to rotate through being meshed with the second driven gearwheel 35, and when the second driven gearwheel 35 rotates, the spray arm 1 is driven to rotate through the connecting strip 36.

In order to clean and cool the transmission mechanism in the cavity, as shown in fig. 1 and 2, one end of the connecting pipe 7 is connected with one of the spraying holes 101, and the other end of the connecting pipe 7 is communicated with the cavity 40. In addition, the bottom wall plate of the cavity 40 has an opening 401 for the output shaft of the motor 21 to pass through, the top wall plate of the spray arm 1 has a through hole 112 for the output shaft of the motor to pass through, and a gap 01 for the water to flow out is formed between the opening 401 and the output shaft of the motor 21. The water sprayed from the spray holes 101 of the spray arm 1 enters the cavity 40 through the connecting pipe 7 to clean the transmission mechanism in the cavity 40, and the cleaned water flows into the flow channel 10 of the spray arm 1 through the gap 01 and the gap between the through hole 112 and the output shaft of the motor.

In the present claims and description, the term "large" in a bull gear is used in relation to the term "small" in a pinion gear. The aim of speed reduction is achieved through the matching of the large gear and the small gear, namely, the motor rotating at high speed drives the spraying arm to rotate at low speed through the speed reduction mechanism. Therefore, the control of the rotating speed of the spraying arm can be realized by adjusting the rotating speed of the motor and/or the reduction ratio of the large gear and the small gear.

Directional terms such as "upper", "lower", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but are used herein for convenience of description only and are to be determined based on example orientations shown in the accompanying drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. A spray mechanism for a cleaning machine comprising:

the spraying arm (1) is internally provided with a flow channel (10), a top wall plate of the spraying arm is provided with a spraying hole (101) communicated with the flow channel (10), and the bottom wall of the spraying arm is provided with a water inlet (102) communicated with the flow channel (10);

the water pumping assembly (2) is used for pumping water into a flow channel (10) of the spray arm (1) through a water inlet (102) of the spray arm (1), and comprises a motor (21), and an output shaft of the motor (21) is arranged along the vertical direction;

the method is characterized in that: the output shaft of the motor (21) penetrates through the spray arm (1) to be positioned above the spray arm (1); should spray the mechanism and also include:

and the transmission mechanism (3) is positioned on the spray arm (1), the power input end of the transmission mechanism is connected with the output shaft of the motor (21), and the power output end of the transmission mechanism is connected with the spray arm (1) and is used for driving the spray arm (1) to rotate around the output shaft of the motor (21).

2. The spray mechanism of claim 1, wherein: the spray arm (1) is provided with a cavity (40), and the transmission mechanism (3) is partially positioned outside the cavity (40) and is connected with the spray arm (1).

3. The spray mechanism of claim 2, wherein: an outer cover (4) is arranged on the spray arm (1), and the cavity (40) is arranged in the outer cover (4).

4. The spray mechanism of claim 2, wherein: the transmission mechanism (3) is a speed reducing mechanism, the speed reducing mechanism comprises a driving pinion (31), a connecting shaft (32), a first driven gearwheel (33), a driven pinion (34), a second driven gearwheel (35) and a connecting strip (36), the driving pinion (31) is relatively fixed on an output shaft of the motor (21), the connecting shaft (32) and the output shaft of the motor (21) are arranged side by side at intervals, the first driven gearwheel (33) is relatively fixed on the connecting shaft (32) and meshed with the driving pinion (31), the driven pinion (34) is relatively fixed on the connecting shaft (32), the second driven gearwheel (35) can be rotatably arranged on the output shaft of the motor (21) and meshed with the driven pinion (34), one end of the connecting strip (36) is connected with the second driven gearwheel (35), the other end of the connecting strip (36) penetrates out of the cavity (40) and is connected with the spray arm (1).

5. The spray mechanism of claim 4, wherein: the second driven gearwheel (35) is located on the driving pinion (31), and the driven pinion (34) is located on the first driven gearwheel (33).

6. The spray mechanism of claim 4, wherein: the second driven bull gear (35) is provided with a mounting hole (351) for inserting one end of the connecting strip (36) into the mounting hole, and the top wall of the spray arm (1) is provided with a groove (11) which is downwards sunken for inserting the other end of the connecting strip (36) into the mounting hole.

7. The spray mechanism of claim 1, wherein: the water pumping assembly (2) further comprises an impeller (22), an output shaft of the motor (21) penetrates through the water inlet (102), and the impeller (22) is installed on the output shaft of the motor (21) and at least partially located in the flow channel (10) of the spray arm (1).

8. The spray mechanism of claim 1, wherein: the cleaning machine is characterized by further comprising an assembling ring (5) and a flow guide seat (6) used for being fixed on the cleaning machine, wherein the assembling ring (5) is locally positioned on the flow guide seat (6) and is installed on the flow guide seat (6), and the spraying arm (1) can be rotatably arranged on the assembling ring (5).

9. The spray mechanism of any one of claims 2 to 8, wherein: the spraying device is characterized by further comprising a plurality of connecting pipes (7), wherein the spraying holes (101) are formed, one end of each connecting pipe (7) is connected with one spraying hole (101), and the other end of each connecting pipe (7) is communicated with the cavity (40).

10. The spray mechanism of claim 9, wherein: an opening (401) for the output shaft of the motor (21) to pass through is formed in the wall plate of the cavity (40), and a gap (01) for water to flow out is formed between the opening (401) and the output shaft of the motor (21).

11. A cleaning machine having a spray mechanism as claimed in any one of claims 1 to 10, characterized in that: including box (8), washing chamber (80) have in box (8), motor (21) set up on the bottom of box (8), spray arm (1) is located in washing chamber (80).