CN215502852U

CN215502852U - Spray arm for cleaning machine and cleaning machine with spray arm

Info

Publication number: CN215502852U
Application number: CN202121476508.0U
Authority: CN
Inventors: 姜勇; 施郑赞; 韩健健; 张昌海; 赵书瀚; 郑峰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-14
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a spray arm for a cleaning machine and the cleaning machine using the spray arm, wherein the spray arm is provided with a body extending along the length direction, the middle part of the top wall of the body is provided with a water inlet, the body is provided with a flow passage which is communicated with the water inlet and extends along the length direction of the body, the top wall of the body is provided with a spray hole communicated with the flow passage, the spray hole at the first side of the water inlet is provided with at least two circular holes and two long holes, the spray hole at the second side of the water inlet is provided with at least two circular holes and one long hole, and the spray angles of the circular holes and the long holes are different. Under the condition that the number of the spray holes is not changed, the circular holes are distributed close to the water inlet in the center of the spray arm, the spray holes distributed close to the end part of the spray arm are arranged into the long holes, the number of the long holes on the two sides of the water inlet is different, and the spray angles of the circular holes and the long holes are also different, so that the sweeping range of water flow is expanded under the condition of considering the impact force of the water flow, the cleaning dead angle is favorably eliminated, and the cleaning effect is improved.

Description

Spray arm for cleaning machine and cleaning machine with spray arm

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to a spray arm for a cleaning machine and the cleaning machine with the spray arm.

Background

Due to the large volume of the box type dish washing machine, in order to ensure the cleaning effect, a lower spray arm which sprays upwards is generally arranged at the bottom of the box body, and an upper spray arm which sprays upwards is arranged at the middle part of the box body.

The existing upper spray arm structure is characterized in that supplied water flow generally comes from circulating water in a box body, namely the circulating water is conveyed from the bottom of the box body to the top of an upper spray arm through a vertically arranged pipeline by a water pumping mechanism and then upwards sprayed by the upper spray arm. Water flow enters the upper spray arm from the top of the upper spray arm, flows into the left channel and the right channel of the upper spray arm and is sprayed out from the spray holes in the top wall of the upper spray arm.

The spray holes on the upper spray arm are generally circular holes, water flow sprayed out of the circular holes is columnar, the water flow is concentrated, the impact force is large, the cleaning machine is suitable for cleaning stains which are difficult to clean, and the coverage area is small. If all the spray holes are circular, a large number of holes are needed to achieve full coverage of the tableware, but the water flow impact force is reduced along with the increase of the number of the spray holes, and the increase of the number of the holes can influence the water flow strength.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the utility model is to provide a spray arm for a cleaning machine, which can enlarge the water flow sweeping range and eliminate the cleaning dead angle under the condition of considering the water flow impact force so as to improve the cleaning effect, aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide a cleaning machine using the spray arm in view of the current state of the prior art.

The technical scheme adopted by the utility model for solving at least one technical problem is as follows: the utility model provides a spray arm for cleaning machine has the body that extends along length direction, open at the middle part of body roof has the water inlet, have in the body and be linked together and follow the runner that body length direction extended with the water inlet, it has the orifice that is linked together with the runner to open on the body roof, its characterized in that: the nozzle hole on the first side of the water inlet is provided with at least two circular holes and two long holes, the nozzle hole on the second side of the water inlet is provided with at least two circular holes and one long hole, and the spray angles of the circular holes and the long holes are different.

Preferably, the long hole includes a circular portion at the center, and a first extension portion and a second extension portion extending outward from both sides of the circular portion. The structure is beneficial to expanding the impact range of the jet water column and expanding the coverage range of the water column on the premise of considering the water flow impact force.

Further preferably, the inner wall surface of the long hole is formed into an injection surface which gradually expands obliquely outward in the water jet direction. The outer area of the spraying hole of the structure is larger than the inner area, and sprayed water flow can be scattered, so that the water flow coverage area is increased.

Preferably, the first side of the water inlet is provided with a long hole extending in the flow passage direction, and is further provided with a long hole arranged obliquely with respect to the flow passage. The two long holes obliquely arranged relative to the flow channel can be respectively positioned at two sides of the long hole extending along the flow channel direction, and the oblique directions of the two long holes obliquely arranged relative to the flow channel are opposite to the oblique directions of the flow channel. The structure is beneficial to further expanding the injection range of the injection hole.

Preferably, the spraying direction of each long hole is gradually inclined from the flow channel to the outer end of the spraying arm. The circular port is located the runner inboard, the slot hole is located the runner outside, makes the outside washing of the injection direction of slot hole, is favorable to enlarging spray regime to also can sweep the inner wall in washing chamber and penetrate, improve cleaning range and dynamics.

In an improvement, the upper wall surface of the body on the second side of the water inlet is provided with a sweeping hole close to the end part, and the sweeping hole is provided with a first part extending in the length direction of the upper wall surface of the body and a second part penetrating through at least the upper part of the end part of the body. The water flow ejected by the sweeping holes can be transversely ejected, so that the water flow divergence is greatly increased, and the tableware at corners can be fully cleaned by the water flow.

Preferably, the first portion is shaped as a diamond, a first tip of the diamond is arranged corresponding to the inner side of the body, and a second tip of the diamond is communicated with the second portion.

In the utility model, the side wall of the body is provided with a water spray opening which is communicated with the flow passage and is used for balancing the rotating speed of the spray arm, and the water spray opening is arranged close to the end part of the body. The water column sprayed by the water spray opening can balance the rotating speed of the spray arm through water flow release on one hand, and on the other hand, the sprayed water column can clean the inner wall of the washing cavity so as to keep the inner wall of the washing cavity clean.

The cleaning machine with the spraying arm comprises a box body, wherein the spraying arm can be rotatably arranged in the box body, and runners on two sides of a water inlet of the body are formed into arc runners with opposite bending directions. The spraying device is characterized in that a partition plate assembly capable of dividing the inner cavity of the box body into an upper space and a lower space is arranged in the middle of the box body, at least part of the partition plate assembly is detachably or movably arranged in the box body so as to communicate or partition the upper space and the lower space, and the spraying arm is arranged in the upper space and is close to the separation position of the upper space and the lower space. When more dishes are washed, the upper space and the lower space can be communicated for use, and when less dishes are washed, the upper space and the lower space can be separated, and only the lower space is used for washing, so that the effects of water saving and dual purposes of one chamber are achieved.

Compared with the prior art, the utility model has the advantages that: under the condition that the number of the spray holes is not changed, the circular holes are distributed close to the water inlet in the center of the spray arm, the spray holes distributed close to the end part of the spray arm are arranged into the long holes, the number of the long holes on the two sides of the water inlet is different, and the spray angles of the circular holes and the long holes are also different, so that the sweeping range of water flow is expanded under the condition of considering the impact force of the water flow, the cleaning dead angle is favorably eliminated, and the cleaning effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is a partial view of an embodiment of the present invention.

Detailed Description

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

As shown in fig. 1 to 4, the spray arm for the cleaning machine of the present embodiment has a body 1 extending along a length direction, a water inlet 11 is formed in a middle portion of a top wall of the body 1, a flow passage 12 communicating with the water inlet 11 and extending along the length direction of the body is formed in the body 1, and a spray hole communicating with the flow passage 12 is formed on the top wall of the body 1.

In this embodiment, the first side of the water inlet 11 is provided with 6 spray holes distributed at intervals along the length direction of the flow channel 2, wherein three spray holes close to the water inlet 11 are circular holes 13, and three spray holes close to the end of the body 1 are long holes 14; the second side of the water inlet 11 is provided with 4 spray holes distributed at intervals 1 along the length direction of the flow channel 12, wherein three spray holes close to the water inlet 11 are circular holes 13, and one spray hole close to the end part of the body 1 is a long hole 14. The circular hole 13 and the long hole 14 have different injection angles.

Specifically, the elongated hole 14 includes a circular portion 141 at the center, and a first extension portion 142 and a second extension portion 143 extending outward from both sides of the circular portion 141. The structure is beneficial to expanding the impact range of the jet water column and expanding the coverage range of the water column on the premise of considering the water flow impact force.

The inner wall surface of the long hole 14 is formed as an injection surface 144 which gradually expands obliquely outward in the water jet direction. The outer area of the spraying hole of the structure is larger than the inner area, and sprayed water flow can be scattered, so that the water flow coverage area is increased.

The first side of the inlet 11 is provided with a long hole 14 extending in the direction of the flow channel 12, and is also provided with a long hole 14 arranged obliquely with respect to the flow channel 12. The two long holes 14 arranged obliquely to the flow path 12 are located on both sides of the long hole 14 extending in the direction of the flow path 12, and the two long holes 14 arranged obliquely to the flow path 12 are opposite in inclination direction to the flow path 12. The structure is beneficial to further expanding the injection range of the injection hole.

The injection direction of each long hole 14 is gradually inclined from the flow channel 12 to the outer end of the spray arm. Circular port 13 is located runner 12 inboard, slot hole 14 is located the runner 12 outside, makes the outside washing of the injection direction of slot hole 14, is favorable to expanding the injection scope to also can sweep the inner wall of washing chamber, improve washing scope and dynamics.

In this embodiment, the upper wall surface of the main body 1 on the second side of the water inlet 11 is provided with a sweeping hole 15 near the end, and the sweeping hole 15 has a first portion 151 extending in the length direction of the upper wall surface of the main body 1 and a second portion 152 penetrating at least the upper part of the end of the main body 1. The first portion 151 is shaped as a rhombus with a first point arranged in correspondence of the inside of the body 1 and a second point communicating with the second portion 152. The water flow ejected by the sweeping holes 15 can be transversely ejected, so that the water flow divergence is greatly increased, and the tableware at corners can be fully cleaned by the water flow.

In this embodiment, the side wall of the body 1 is provided with a water jet 16 communicated with the flow passage 12 and used for balancing the rotating speed of the spray arm, and the water jet 16 is arranged near the end part of the body 1. The water column sprayed from the water spray opening 16 can balance the rotation speed of the spray arm through water flow release on one hand, and on the other hand, the sprayed water column can clean the inner wall of the washing cavity so as to keep the inner wall of the washing cavity clean.

The cleaning machine with the spray arm comprises a box body, and the spray arm can be rotatably arranged in the box body. The flow channels 12 on both sides of the water inlet 11 of the body 1 are formed into arc flow channels with opposite bending directions.

The middle part of the box body is provided with a clapboard component which can divide the inner cavity of the box body into an upper space and a lower space, at least part of the clapboard component is detachably or movably arranged in the box body so as to communicate or separate the upper space and the lower space, and the spray arm is arranged in the upper space and is close to the separation part of the upper space and the lower space. When more dishes are washed, the upper space and the lower space can be communicated for use, and when less dishes are washed, the upper space and the lower space can be separated, and only the lower space is used for washing, so that the effects of water saving and dual purposes of one chamber are achieved.

This embodiment is under the unchangeable condition of orifice quantity, makes circular port 13 be close to the water inlet 11 distribution of spray arm central authorities, makes the orifice that is close to the spray arm tip and distributes and set up to slot hole 14, and the slot hole 14 quantity of water inlet 11 both sides is different, and circular port 13 is also different with slot hole 14's injection angle to under the condition of considering rivers impact force, enlarged the strafing range of rivers, be favorable to eliminating the washing dead angle, improve the cleaning performance.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "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 utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the 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. The utility model provides a spray arm for cleaning machine, has body (1) that extends along length direction, open at the middle part of body (1) roof has water inlet (11), have runner (12) that are linked together and extend along body (1) length direction with water inlet (11) in body (1), it has the orifice that is linked together with runner (12) to open on body (1) roof, its characterized in that: the spray holes on the first side of the water inlet (11) are at least provided with two circular holes (13) and two long holes (14), the spray holes on the second side of the water inlet (11) are at least provided with two circular holes (13) and one long hole (14), and the spray angles of the circular holes (13) and the long holes (14) are different.

2. The spray arm for a cleaning machine of claim 1, wherein: the long hole (14) comprises a circular part (141) positioned in the center, and a first extension part (142) and a second extension part (143) which extend outwards from two sides of the circular part (141).

3. The spray arm for a cleaning machine of claim 2 wherein: the inner wall surface of the long hole (14) is formed into an injection surface (144) which gradually expands outwards in an inclined manner along the water flow injection direction.

4. The spray arm for a cleaning machine of claim 1, 2 or 3, wherein: the first side of the water inlet (11) is provided with a long hole (14) extending along the direction of the flow channel (12), and the long hole (14) is obliquely arranged relative to the flow channel (12).

5. The spray arm for a cleaning machine of claim 1, 2 or 3, wherein: the spraying direction of each long hole (14) is gradually inclined from the flow channel (12) to the outer end of the spray arm.

6. The spray arm for a cleaning machine of claim 1, 2 or 3, wherein: the upper wall surface of the body (1) at the second side of the water inlet (11) is provided with a sweeping hole (15) close to the end part, and the sweeping hole (15) is provided with a first part (151) extending in the length direction of the upper wall surface of the body (1) and a second part (152) penetrating through at least the upper part of the end part of the body (1).

7. The spray arm for a cleaning machine of claim 6, wherein: the first portion (151) is shaped as a rhombus with a first point arranged in correspondence of the inside of the body (1) and a second point communicating with the second portion (152).

8. The spray arm for a cleaning machine of claim 1, 2 or 3, wherein: the side wall of the body (1) is provided with a water spraying opening (16) which is communicated with the flow passage (12) and is used for balancing the rotating speed of the spraying arm, and the water spraying opening (16) is arranged close to the end part of the body (1).

9. A cleaning machine with the spray arm of any one of claims 1-8 applied thereto comprises a box body, and is characterized in that: the spraying arm can be rotatably arranged in the box body, and the flow channels (12) on two sides of the water inlet (11) of the body (1) are formed into arc-shaped flow channels with opposite bending directions.

10. The cleaning machine of claim 9, wherein: the spraying device is characterized in that a partition plate assembly capable of dividing the inner cavity of the box body into an upper space and a lower space is arranged in the middle of the box body, at least part of the partition plate assembly is detachably or movably arranged in the box body so as to communicate or partition the upper space and the lower space, and the spraying arm is arranged in the upper space and is close to the separation position of the upper space and the lower space.