CN219680545U - Spray arm assembly for cleaning machine and cleaning machine - Google Patents
Spray arm assembly for cleaning machine and cleaning machine Download PDFInfo
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- CN219680545U CN219680545U CN202321226692.2U CN202321226692U CN219680545U CN 219680545 U CN219680545 U CN 219680545U CN 202321226692 U CN202321226692 U CN 202321226692U CN 219680545 U CN219680545 U CN 219680545U
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- spray arm
- main
- cleaning machine
- auxiliary
- main spray
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- 239000007921 spray Substances 0.000 title claims abstract description 212
- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000005507 spraying Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a spray arm assembly for a cleaning machine, which comprises a main spray arm (1), wherein the main spray arm is strip-shaped and can rotate around a rotating axis vertical to the length direction of the main spray arm, and a main runner (11) is arranged in the main spray arm; the auxiliary spray arm (2) is rotatably arranged at the position adjacent to the end part of the main spray arm (1) and is provided with a diversion channel (21) communicated with the main channel (11) and a spray hole (22) communicated with the diversion channel (21); the auxiliary spray arm (2) is arranged with its axis of rotation perpendicular to the length direction of the main spray arm (1). The cleaning device has the advantage that the auxiliary spray arm has a larger cleaning range in the direction perpendicular to the length direction of the main spray arm. The utility model also discloses a cleaning machine which also has the advantage that the auxiliary spray arm has a larger cleaning range in the direction perpendicular to the length direction of the main spray arm.
Description
Technical Field
The utility model relates to the technical field of cleaning machines, in particular to a spray arm assembly for a cleaning machine and the cleaning machine.
Background
The cleaning machine is used for cleaning objects to be cleaned, such as tableware, fruits and vegetables, and the like. The cleaning machine comprises a spray arm, and water flow is sprayed to the object to be cleaned through the spray arm, so that the object to be cleaned is cleaned.
For example, the inventor's prior application, chinese utility model with application number CN202221003448.5 (bulletin number CN 217645173U) discloses a spray arm for a cleaning machine and a cleaning machine, wherein the spray arm for a cleaning machine comprises a mounting seat for fixing relative to the cleaning machine; the main spray arm is rotatably arranged on the mounting seat and is internally provided with a main runner; the auxiliary spray arm can be rotatably arranged at the position of the main spray arm adjacent to the end part, a diversion channel communicated with the main channel is arranged in the auxiliary spray arm, and a spray hole for water flow to spray out is formed in the top wall and/or the side wall of the auxiliary spray arm; and the power input end of the linkage assembly is arranged to rotate around the mounting seat, and the power output end of the linkage assembly is in transmission connection with the auxiliary spray arm and is used for driving the auxiliary spray arm to rotate relative to the main spray arm.
However, in the above patent, taking the example that the main spray arm is mounted on the inner bottom wall of the cleaning chamber of the cleaning machine, the main spray arm extends in the horizontal direction and rotates around the rotation axis in the vertical direction, and the auxiliary spray arm also extends in the horizontal direction and rotates around the rotation axis in the vertical direction, so that the cleaning range of the auxiliary spray arm is relatively small in the vertical direction, the water flow sprayed from the auxiliary spray arm may not cover the position of the object to be cleaned in the vertical direction well, and the cleaning effect is relatively poor.
Disclosure of Invention
The first technical problem to be solved by the utility model is to provide a spray arm assembly for a cleaning machine, wherein the cleaning range of the auxiliary spray arm in the direction perpendicular to the length direction of the main spray arm is larger.
The second technical problem to be solved by the utility model is to provide a cleaning machine 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: a spray arm assembly for a cleaning machine comprises
The main spray arm is strip-shaped and can rotate around a rotating axis vertical to the length direction of the main spray arm, and a main flow passage is arranged in the main spray arm;
the auxiliary spray arm is rotationally arranged at the position of the main spray arm adjacent to the end part and is provided with a sub-runner communicated with the main runner and a spray hole communicated with the sub-runner;
the method is characterized in that:
the auxiliary spray arm is arranged with its axis of rotation perpendicular to the length direction of the main spray arm.
In particular, the secondary spray arm is arranged with its axis of rotation non-parallel to the axis of rotation of the primary spray arm.
The structure of the main spray arm can be various, preferably, for reasonable layout, the main spray arm extends leftwards and rightwards, the top wall of the main spray arm is provided with a main water spray hole, and the bottom wall of the main spray arm is provided with a water inlet communicated with a main flow channel;
the auxiliary spray arm is rotatably connected with the end part of the main spray arm. Therefore, the positions of the water inlet and the main water spraying hole are reasonable, and the auxiliary spray arm and the main spray arm cannot interfere with each other in space during working.
The structure of the rotary connection of the auxiliary spray arm and the main spray arm can be various, preferably, for the convenience of manufacture and installation, the position of the main spray arm adjacent to the end part extends outwards to form a pivot part, and a corresponding position in the split flow channel of the auxiliary spray arm is provided with a containing cavity for containing the pivot part and rotating around the pivot part. By providing the pivot portion and the receiving cavity, manufacturing and installation are facilitated.
In order to make the cleaning range of the whole spray arm assembly larger, the rotation axis of the auxiliary spray arm extends along the front-back direction. Thus, the cleaning range of the whole spray arm assembly is larger.
In order to facilitate the rotation of the auxiliary spray arm relative to the main spray arm, the extending direction of the spray holes of the auxiliary spray arm is not parallel to the extending direction of the rotation axis of the auxiliary spray arm. Therefore, under the action of water flow, the auxiliary spray arm is conveniently driven to rotate relative to the main spray arm.
In order to improve the cleaning effect, at least two spraying holes of the auxiliary spraying arm are distributed at intervals;
the spray holes on the same auxiliary spray arm are symmetrically distributed front and back.
Therefore, the number of the spraying holes is large, and the spraying holes on the same auxiliary spraying arm are distributed at different positions to spray water flow in different directions, so that the cleaning effect is improved; in addition, the front and back symmetrical distribution is also beneficial to the stable stress of the auxiliary spray arm.
In order to facilitate smooth rotation of the auxiliary spray arm relative to the main spray arm, the end part of the main spray arm is arc-shaped, a concave part sleeved outside the end part of the main spray arm is arranged in a sub-runner of the auxiliary spray arm, and the inner wall of the concave part slides along the end part of the main spray arm in a state that the auxiliary spray arm rotates relative to the main spray arm. Therefore, the inner wall of the concave part is matched with the shape of the end part of the main spray arm, so that the auxiliary spray arm can smoothly rotate; the auxiliary spray arm is sleeved at the end part of the main spray arm so as to facilitate water flow to be sprayed out of the auxiliary spray arm.
In order to strengthen the strength of the auxiliary spray arm at the position adjacent to the tail end of the main runner, the sub-runner of the auxiliary spray arm is provided with a thicker wall thickness at the position adjacent to the end of the main spray arm so as to form a strengthening part. Thus, by providing the reinforcing part, the auxiliary spray arm has a thicker wall thickness and a larger strength at the position adjacent to the tail end of the main flow passage, and is not easy to break.
In order to facilitate the water flow to be sprayed out from the auxiliary spray arm, and simultaneously in order to further facilitate the rotation of the auxiliary spray arm relative to the main spray arm, a main flow channel of the main spray arm is sequentially provided with a narrowing section, an expanding section and a narrowing section at a position adjacent to the end part of the main spray arm along the flowing direction of the water flow. According to Bernoulli's principle, this is favorable to the rivers to spout from the auxiliary spray arm, also is favorable to the auxiliary spray arm to rotate relative to main spray arm.
The utility model adopts the technical proposal for solving the second technical problem that: a cleaning machine, characterized in that: comprising a spray arm assembly for a cleaning machine as described above and a motor for driving the main spray arm to rotate.
Compared with the prior art, the utility model has the advantages that: the auxiliary spray arm is arranged such that the rotation axis of the auxiliary spray arm is perpendicular to the length direction of the main spray arm, so that the cleaning range of the auxiliary spray arm in the direction perpendicular to the length direction of the main spray arm is larger, and water flow sprayed from the auxiliary spray arm can cover more positions of objects to be cleaned in the direction perpendicular to the length direction of the main spray arm, thereby improving the cleaning effect of the spray arm assembly.
Drawings
FIG. 1 is a schematic perspective view of a spray arm assembly for a cleaning machine according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an exploded view of an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of part B of FIG. 3;
FIG. 5 is a partial cross-sectional view of an embodiment of the present utility model;
FIG. 6 is an enlarged schematic view of portion C of FIG. 5;
FIG. 7 is a schematic view of another angle of a spray arm assembly according to an embodiment of the present utility model;
fig. 8 is a schematic perspective view of a secondary spray arm in an embodiment of the utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Referring to fig. 1-8, a preferred embodiment of the present utility model is shown. The spray arm assembly for the cleaning machine comprises a main spray arm 1 and an auxiliary spray arm 2.
The main spray arm 1 is strip-shaped and can rotate around a rotation axis perpendicular to the length direction of the main spray arm, and a main flow passage 11 is arranged in the main spray arm. The main spray arm 1 extends leftwards and rightwards, the top wall of the main spray arm 1 is provided with a main water spray hole 12, and the bottom wall of the main spray arm 1 is provided with a water inlet 13 communicated with the main runner 11; the end of the main spray arm 1 is arc-shaped. The main flow channel 10 of the main spray arm 1 has a narrowing section, an expanding section, and a narrowing section in this order along the water flow direction at a position adjacent to the end of the main spray arm 1. The main spray arm 1 can be arranged on the inner bottom wall of the cleaning cavity of the cleaning machine, and can also be arranged on other positions of the inner cavity wall of the cleaning cavity.
The auxiliary spray arm 2 is rotatably arranged at the position adjacent to the end part of the main spray arm 1 and is provided with a sub-runner 21 communicated with the main runner 11 and a spray hole 22 communicated with the sub-runner 21; the sub spray arm 2 is arranged with its rotation axis perpendicular to the length direction of the main spray arm 1, and preferably the sub spray arm 2 is arranged with its rotation axis non-parallel to the rotation axis of the main spray arm. The auxiliary spray arm 2 is rotatably connected with the end part of the main spray arm 1. Specifically, the position of the main spray arm 1 adjacent to the end extends outwards to form a pivot part 14, a corresponding position in the sub-runner 21 of the auxiliary spray arm 2 is provided with a containing cavity 23 for containing the pivot part 14 and capable of rotating around the pivot part 14, and in other embodiments, the rotary connection of the auxiliary spray arm 2 and the main spray arm 1 can also adopt other existing structures. The rotation axis of the sub spray arm 2 extends in the front-rear direction, i.e., the pivot portion 14 extends in the front-rear direction. The direction of extension of the spray holes 22 of the sub spray arm 2 is not parallel to the direction of extension of the axis of rotation of the sub spray arm 2. At least two spraying holes 22 of the auxiliary spraying arms 2 are distributed at intervals, referring to fig. 8, each auxiliary spraying arm is provided with 3 spraying holes 22 in the embodiment, and the number of the spraying holes 22 can be adjusted according to the requirement; the spray holes 22 on the same auxiliary spray arm 2 are symmetrically distributed from front to back. The split flow channel 21 of the auxiliary spray arm 2 is internally provided with a concave part 24 sleeved outside the end part of the main spray arm 1, and the inner wall of the concave part 24 slides along the end part of the main spray arm 1 when the auxiliary spray arm 2 rotates relative to the main spray arm 1. The sub-flow path 20 of the sub-shower arm 2 has a thicker wall thickness at a position adjacent to the end of the main shower arm 1 to form a reinforcing portion 25.
The embodiment also discloses a cleaning machine, which comprises the spray arm assembly for the cleaning machine and a motor for driving the main spray arm 1 to rotate.
The working principle and the use process of the present embodiment are as follows.
The motor drives the main spray arm 1 to rotate circumferentially around the rotation axis in the vertical direction, one part of water flow entering the main runner 11 from the water inlet 13 is sprayed out from the main water spraying hole 12 of the main spray arm 1, and the other part of water flow enters the sub-runner 21 of the auxiliary spray arm 2 and is sprayed out from the spraying hole 22 of the auxiliary spray arm 2.
The auxiliary spray arm 2 is rotationally connected with the end part of the main spray arm 1, the auxiliary spray arm 2 rotates relative to the main spray arm 1 under the action of water flow, the cleaning range of the auxiliary spray arm 2 in the vertical direction is large, and water flow sprayed out of the auxiliary spray arm 2 can cover more positions of objects to be cleaned in the vertical direction, so that the cleaning effect of a spray arm assembly is improved.
Claims (11)
1. A spray arm assembly for a cleaning machine comprises
The main spray arm (1) is strip-shaped and can rotate around a rotation axis vertical to the length direction of the main spray arm, and a main runner (11) is arranged in the main spray arm;
a secondary spray arm (2) rotatably arranged at a position adjacent to the end part of the main spray arm (1) and provided with a diversion channel (21) communicated with the main channel (11) and a spray hole (22) communicated with the diversion channel (21);
the method is characterized in that:
the auxiliary spray arm (2) is arranged with its axis of rotation perpendicular to the length direction of the main spray arm (1).
2. The spray arm assembly of a cleaning machine of claim 1, wherein: the secondary spray arm (2) is arranged with its axis of rotation non-parallel to the axis of rotation of the primary spray arm.
3. The spray arm assembly for a cleaning machine of claim 1, wherein: the main spray arm (1) extends leftwards and rightwards, a main water spray hole (12) is formed in the top wall of the main spray arm (1), and a water inlet (13) communicated with the main runner (11) is formed in the bottom wall of the main spray arm (1);
the auxiliary spray arm (2) is rotatably connected with the end part of the main spray arm (1).
4. A spray arm assembly for a cleaning machine as claimed in claim 3, wherein: the position of the main spray arm (1) adjacent to the end part extends outwards to form a pivot part (14), and a containing cavity (23) which is used for containing the pivot part (14) and can rotate around the pivot part (14) is arranged at a corresponding position in the shunt channel (21) of the auxiliary spray arm (2).
5. A spray arm assembly for a cleaning machine as claimed in claim 3, wherein: the rotation axis of the auxiliary spray arm (2) extends along the front-back direction.
6. The spray arm assembly for a cleaning machine of claim 5, wherein: the extending direction of the spray holes (22) of the auxiliary spray arm (2) is not parallel to the extending direction of the rotation axis of the auxiliary spray arm (2).
7. The spray arm assembly for a cleaning machine of claim 5, wherein: at least two spraying holes (22) of the auxiliary spraying arm (2) are distributed at intervals;
the spray holes (22) on the same auxiliary spray arm (2) are symmetrically distributed from front to back.
8. A spray arm assembly for a cleaning machine as claimed in claim 3, wherein: the end part of the main spray arm (1) is arc-shaped, a concave part (24) sleeved outside the end part of the main spray arm (1) is arranged in a shunt channel (21) of the auxiliary spray arm (2), and the inner wall of the concave part (24) slides along the end part of the main spray arm (1) under the state that the auxiliary spray arm (2) rotates relative to the main spray arm (1).
9. The spray arm assembly for a cleaning machine of claim 8, wherein: the sub-flow channel (20) of the auxiliary spray arm (2) has a thicker wall thickness at a position adjacent to the end of the main spray arm (1) to form a reinforcing part (25).
10. The spray arm assembly for a cleaning machine of any one of claims 1-9, wherein: at the position adjacent to the end part of the main spray arm (1), the main runner (10) of the main spray arm (1) is sequentially provided with a narrowing section, an expanding section and a narrowing section along the flowing direction of water flow.
11. A cleaning machine, characterized in that: comprising a spray arm assembly for a cleaning machine according to any one of claims 1 to 10 and a motor for driving the main spray arm (1) in rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226692.2U CN219680545U (en) | 2023-05-18 | 2023-05-18 | Spray arm assembly for cleaning machine and cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226692.2U CN219680545U (en) | 2023-05-18 | 2023-05-18 | Spray arm assembly for cleaning machine and cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219680545U true CN219680545U (en) | 2023-09-15 |
Family
ID=87939445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226692.2U Active CN219680545U (en) | 2023-05-18 | 2023-05-18 | Spray arm assembly for cleaning machine and cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219680545U (en) |
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2023
- 2023-05-18 CN CN202321226692.2U patent/CN219680545U/en active Active
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