CN216777013U

CN216777013U - A spray set for cleaning machine

Info

Publication number: CN216777013U
Application number: CN202122462618.8U
Authority: CN
Inventors: 魏瑞晖; 范文粲; 侯富龙; 朱灯光
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-06-21
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to a spray assembly for a cleaning machine, which comprises a flow guide seat; the spray arm can be rotatably arranged on the flow guide seat, is provided with a hollow flow channel, the upper wall surface of the spray arm is provided with a plurality of water spray holes communicated with the flow channel, and at least one water spray hole is provided with a first nozzle; the driving mechanism is used for driving water in the diversion seat to be delivered into the spray arm and driving the spray arm to rotate; it is characterized by also comprising: and the elastic part is arranged in the flow channel, acts on the first nozzle, and alternately generates energy storage deformation and energy release deformation when the water in the flow channel drives the spray arm to rotate so as to drive the first nozzle to swing. The utility model has the advantages that: the first nozzle of the spray assembly can change the water outlet angle under the action of water flow, the water outlet interference among the water spray holes is small, and the first nozzle can provide radial spray area coverage to enlarge the spray area when the spray arm rotates, so that the spray assembly is favorable for eliminating the cleaning dead angle and improving the cleaning effect.

Description

Spraying assembly for cleaning machine

Technical Field

The utility model relates to the field of cleaning machines, in particular to a spraying assembly for a cleaning machine.

Background

The cleaning machine is as a kitchen electric product, especially dish washer, more and more families use dish washer automatic washing dishes now, present dish washer inside mainly is to rotate through rivers drive spray arm to spray water to the bowl dish on with washing the bowl dish through the hole for water spraying on the spray arm in the rotation process, but the direction of spraying of present hole for water spraying is fixed direction usually, therefore spray arm is rotatory 360 under the water pressure effect, because the restriction of hole for water spraying angle, it is limited to lead to spraying the coverage area, there is the washing dead angle.

In order to solve the technical problem, the Chinese utility model with application number CN201721371510.5 (No. CN208709818U) discloses a spray device for dish-washing machine, which comprises a hollow base with a lower opening and a plurality of spray arms distributed uniformly around the base, the inner cavity of the spray arm is communicated with the base, and the upper surface of the spray arm is provided with a water spray hole; the water spraying direction of the water spraying holes is divided into upward direction, upward direction of the radial inner side of the spray arm, upward direction of the radial outer side of the spray arm and clockwise direction. Therefore, the spraying device can wash tableware in all directions in the rotating process by arranging the water spray holes with different water outlet directions, and the spraying device is clean in washing, free of dead angles, good in balance performance and long in service life.

Since the orientation of each water jet hole is fixed, the water jet direction of each water jet hole is circumferentially covered during the rotation of the spray arm, and although the water jet direction of the water jet holes in the spray device has a plurality of orientations, the water jets circumferentially covered by the water jet holes interfere with each other during the rotation of the spray arm, thereby affecting the overall spraying effect of the spray device, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a spray component for a cleaning machine, which can change the water outlet direction of a water spray hole along with water flow when a spray arm rotates, thereby enlarging a spray area and improving the cleaning effect.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a spray assembly for a cleaning machine comprising

A flow guide seat;

the spray arm is rotatably arranged on the flow guide seat and is provided with a hollow flow channel, the upper wall surface of the spray arm is provided with a plurality of water spray holes communicated with the flow channel, and at least one water spray hole is provided with a first nozzle;

the driving mechanism is used for driving water in the diversion seat to be delivered into the spray arm and driving the spray arm to rotate;

it is characterized by also comprising:

and the elastic part is arranged in the flow channel, acts on the first nozzle, and alternately generates energy storage deformation and energy release deformation when the water in the flow channel drives the spray arm to rotate so as to drive the first nozzle to swing.

Preferably, a water inlet is formed in the central portion of the lower wall surface of the spray arm, correspondingly, the upper port of the flow guide seat is arranged corresponding to the water inlet, and a water collecting cavity arranged corresponding to the water inlet is formed in the spray arm.

The first nozzle comprises a water inlet end and a water outlet pipeline communicated with the water inlet end, the water inlet end is arranged on one side surface of the first nozzle, which faces the water collecting cavity, and the water outlet pipeline is arranged upwards.

In order to realize that the first nozzle is rotatably installed in the water spray hole, two opposite sides of the first nozzle adjacent to the water inlet end are respectively provided with an installation shaft, correspondingly, the inner wall of the flow channel is provided with a groove supported by the other end of the installation shaft, the elastic part is two groups of springs, the two groups of springs are arranged on two sides of the installation shaft, and one end of each spring acts on the installation shaft. The structure is favorable for changing the water outlet angle of the first nozzle, thereby enlarging the spraying range and eliminating the cleaning dead angle.

In order to provide the rotating power for the spray arm, at least one water spraying hole is fixedly provided with a second upward nozzle. The second nozzles which are fixedly arranged realize the covering of the circumferential spraying area when the spraying arm rotates.

Preferably, the spray arm is long-strip-shaped, the water spray holes are arranged on the spray arm at intervals in multiple rows, and the water spray holes in each row are arranged at intervals along the length direction of the spray arm.

Preferably, at least one row of water spraying holes in the middle of the spraying arm are provided with second nozzles, and at least two corresponding rows of water spraying holes on two outer sides of the spraying arm are provided with first nozzles. The structure realizes the full coverage of the spraying area without dead angles.

In this scheme, actuating mechanism includes induction impeller, axial compressor impeller and motor, axial compressor impeller can locate with rotating the central part of spray arm, induction impeller locates the spray arm below and is located the water conservancy diversion seat, the motor is located the water conservancy diversion seat below and its output shaft upwards extends thereby is connected with induction impeller, axial compressor impeller. The structure can provide rotary power for the spray arm, and further improve the cleaning effect.

Compared with the prior art, the utility model has the advantages that: act on first nozzle through the elastic component to the water in the runner moves and takes place energy storage deformation and energy release deformation in turn and drive first nozzle swing when spraying the arm rotation, changes the play water angle with the realization under rivers effort. Therefore, the water outlet interference among the water spray holes of the spray assembly is small, and the first spray nozzle can provide radial spray area coverage when the spray arm rotates, so that the spray area is enlarged, the cleaning dead angle is eliminated, and the cleaning effect is improved.

Drawings

FIG. 1 is a schematic structural view of a spray assembly in an embodiment of the present disclosure;

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

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a cross-sectional view of the spray arm of FIG. 1;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic view of the assembly of the first nozzle and the resilient member of FIG. 1;

FIG. 7 is a schematic view of the structure of FIG. 1 except for the spray arm;

FIG. 8 is a cross-sectional view of the spray arm of FIG. 1, laterally exploded;

fig. 9 is a vertically exploded cross-sectional view of the spray arm of fig. 1 taken along the first nozzle.

Detailed Description

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

As shown in fig. 1 to 9, the spray assembly for a cleaning machine in this embodiment includes a spray arm 1, a flow guide seat 2, a driving mechanism 3 and an elastic member 4, the spray arm 1 is rotatably disposed on the flow guide seat 2, the driving mechanism 3 is configured to drive water in the flow guide seat 2 to be delivered into the spray arm 1 and drive the spray arm 1 to rotate, wherein the spray wall has a hollow flow passage 11, a plurality of water spray holes 12 communicated with the flow passage 11 are disposed on an upper wall surface of the spray arm 1, at least one of the water spray holes 12 is provided with a first nozzle 121, the elastic member 4 is disposed in the flow passage 11, acts on the first nozzle 121, and alternately deforms and releases energy to drive the first nozzle 121 to swing when the water in the flow passage 11 drives the spray arm 1 to rotate, so as to change a water outlet angle and eliminate a dead angle of cleaning energy storage. The first spray nozzle 121 of the spray arm 1 provides radial spray area coverage when it is rotated.

In this embodiment, a water inlet 13 is formed in the central portion of the lower wall surface of the spray arm 1, correspondingly, the upper port of the flow guide seat 2 is arranged corresponding to the water inlet 13, and the spray arm 1 is provided with a water collecting cavity 14 arranged corresponding to the water inlet 13.

Referring to fig. 5, the first nozzle 121 includes a water inlet 1211 and a water outlet 1212 connected to the water inlet 1211, wherein the water inlet 1211 is opened on a side of the first nozzle 121 facing the water collecting chamber 14, and the water outlet 1212 is upwardly disposed. In this embodiment, the upper end of the first nozzle 121 is spherical, the spherical outer sidewall of the first nozzle is abutted against the water spraying hole 12, and the lower end of the first nozzle 121 is disposed in the spray arm 1. Meanwhile, as shown in fig. 5 and 6, the first nozzle 121 is provided with mounting shafts 1213 at two opposite sides adjacent to the water inlet 1211, and correspondingly, a groove (not shown) is formed in an inner wall of the flow channel 11 for supporting the other end of the mounting shafts 1213, and the elastic member 4 is two sets of springs, which are accommodated in the groove and located at two sides of the mounting shafts 1213 and are abutted against the mounting shafts 1213. Thus, the first nozzle 121 can be moved by the spring installed at both sides of the installation shaft 1213 under the hydraulic pressure to change the water discharge direction.

Of course, at least one of the water spraying holes 12 of the spraying assembly is fixedly provided with a second nozzle 122 facing upwards. In this embodiment, the second nozzle 122 is a hollow cylinder disposed at the upper end of the spout 12, when the spray arm 1 rotates, the water in the spout 12 can be sprayed outwards along with the inner wall of the second nozzle 122, and as the spray arm 1 rotates, the second nozzle 122 can provide a circumferential spray area coverage.

In this embodiment, as shown in fig. 1, the spray arm 1 is strip-shaped, the water spraying holes 12 are arranged in multiple rows at intervals on the spray arm 1, and each row of water spraying holes 12 are arranged at intervals along the length direction of the spray arm 1. Wherein, the second nozzle 122 is installed on at least one row of water jet holes 12 in the middle of the spray arm 1, and the first nozzle 121 is installed on at least two rows of water jet holes 12 corresponding to two outer sides of the spray arm 1. Like this through the fixed second nozzle 122 that sets up in middle part, the outer lane sets up rotatable first nozzle 121 to reduce the influence that second nozzle 122 goes out water to second nozzle 121, can increase simultaneously and spray the scope, reduce and wash the dead angle.

As shown in fig. 7, the driving mechanism 3 includes an inducing impeller 31, an axial-flow impeller 32 and a motor 33, the axial-flow impeller 32 is rotatably disposed at a central portion of the spray arm 1, the inducing impeller 31 is disposed below the spray arm 1 and located in the guide holder 2, the motor 33 is disposed below the guide holder 2, and an output shaft 331 thereof extends upward to be connected to the inducing impeller 31 and the axial-flow impeller 32. In this embodiment, the diversion seat 2 is bowl-shaped, and the interior thereof is used for storing water, and the water in the diversion seat 2 is guided into the axial flow impeller 32 through the induction impeller 31 so as to enter the flow channel 11 of the spray arm 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A spray assembly for a cleaning machine comprising

A flow guide seat (2);

the spray arm (1) is rotatably arranged on the flow guide seat (2) and is provided with a hollow flow channel (11), the upper wall surface of the spray arm is provided with a plurality of water spray holes (12) communicated with the flow channel (11), and at least one water spray hole (12) is provided with a first nozzle (121);

the driving mechanism (3) is used for driving water in the diversion seat (2) to be delivered into the spray arm (1) and driving the spray arm (1) to rotate;

it is characterized by also comprising:

the elastic piece (4) is arranged in the flow channel (11), acts on the first nozzle (121), and alternately generates energy storage deformation and energy release deformation when the water in the flow channel (11) drives the spray arm (1) to rotate so as to drive the first nozzle (121) to swing.

2. The spray assembly for a cleaning machine of claim 1 wherein: the central part of the lower wall surface of the spray arm (1) is provided with a water inlet (13), correspondingly, the upper port of the flow guide seat (2) is arranged corresponding to the water inlet (13), and the spray arm (1) is internally provided with a water collecting cavity (14) arranged corresponding to the water inlet (13).

3. The spray assembly for a cleaning machine of claim 2 wherein: the first nozzle (121) comprises a water inlet end (1211) and a water outlet pipeline (1212) communicated with the water inlet end (1211), the water inlet end (1211) is arranged on one side surface, facing the water collecting cavity (14), of the first nozzle (121), and the water outlet pipeline (1212) is arranged upwards.

4. The spray assembly for a cleaning machine of claim 3 wherein: the two opposite sides of the first nozzle (121) adjacent to the water inlet end (1211) are respectively provided with a mounting shaft (1213), correspondingly, the inner wall of the flow channel (11) is provided with a groove for supporting the other end of the mounting shaft (1213), the elastic element (4) is composed of two groups of springs, the two groups of springs are arranged on two sides of the mounting shaft (1213), and one end of each spring acts on the mounting shaft (1213).

5. A spray assembly for a cleaning machine according to any one of claims 1 to 4 wherein: an upward second nozzle (122) is fixedly arranged at least one water spraying hole (12).

6. The spray assembly for a cleaning machine of claim 5 wherein: the spray arm (1) is long-strip-shaped, the water spraying holes (12) are arranged on the spray arm (1) in multiple rows at intervals, and the water spraying holes (12) in each row are arranged at intervals along the length direction of the spray arm (1).

7. The spray assembly for a cleaning machine of claim 6 wherein: and at least one row of water spraying holes (12) in the middle of the spraying arm (1) are provided with second nozzles (122), and at least two rows of water spraying holes (12) corresponding to the two outer sides of the spraying arm (1) are provided with first nozzles (121).

8. The spray assembly for a cleaning machine of claim 5 wherein: the driving mechanism (3) comprises an inducing impeller (31), an axial flow impeller (32) and a motor (33), the axial flow impeller (32) can be rotatably arranged at the central part of the spray arm (1), the inducing impeller (31) is arranged below the spray arm (1) and is positioned in the flow guide seat (2), the motor (33) is arranged below the flow guide seat (2) and an output shaft (331) of the motor extends upwards to be connected with the inducing impeller (31) and the axial flow impeller (32).