CN218960662U

CN218960662U - Spray arm structure for dish washer

Info

Publication number: CN218960662U
Application number: CN202121810638.3U
Authority: CN
Inventors: 韩君庆; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2023-05-05
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a spray arm structure for a dish washer, which comprises: the outer spray arm is provided with a spray cavity, an air inlet communicated with the outside gas supply and a spray hole for spraying air outwards, and the spray cavity is respectively communicated with the air inlet and the spray hole; the inner spray arm is provided with a spray cavity, a water inlet communicated with the external water supply and a spray hole for spraying water outwards, the spray cavity is respectively communicated with the water inlet and the spray hole, the outer spray arm is sleeved outside the inner spray arm, and the spray direction of the spray hole is intersected with the spray direction of the spray hole; the rectification nozzle is arranged at the air spraying hole. The washing machine has a simple structure, and effectively improves the washing effect under the combined action of the gas, the washing water and the rectifying spray head, so that the washing rate of the dish washing machine is further improved.

Description

Spray arm structure for dish washer

Technical Field

The utility model relates to the technical field of kitchen electricity, in particular to a spray arm structure for a dish washer.

Background

With the acceleration of the pace of life and the pursuit of higher quality of life, dish washers have become one of the indispensable kitchen appliances in modern households, and the washing rate is a core index of dish washers. However, in the existing dish washing machine, the spray arm is usually used for spraying water flow for washing, dead angles are easy to generate, so that the washing is not clean, and pain points of users are generated.

For this reason, some full coverage structures such as satellite spray arms, waters l and the like for improving the cleaning effect are presented, but the product assembly is complicated and the cost is high due to the complex structure.

Disclosure of Invention

The utility model aims to solve one of the problems existing in the prior related art at least to a certain extent, and therefore, the utility model provides a spray arm structure for a dish washer, which has a simple structure, and effectively improves the cleaning effect through the combined action of gas, washing water and a rectifying spray nozzle, thereby further improving the cleaning rate of the dish washer.

The above object is achieved by the following technical scheme:

a spray arm structure for a dishwasher, comprising:

the outer spray arm is provided with a spray cavity, an air inlet communicated with the outside gas supply and a spray hole for spraying air outwards, and the spray cavity is respectively communicated with the air inlet and the spray hole;

the inner spray arm is provided with a water spray cavity, a water inlet communicated with external water supply and a water spray hole for spraying water outwards, the water spray cavity is respectively communicated with the water inlet and the water spray hole, the outer spray arm is sleeved outside the inner spray arm, and the water spray direction of the water spray hole is intersected with the air spray direction of the air spray hole;

and the rectification spray head is arranged on the air injection hole.

In some embodiments, the rectifying spray head is provided with a hollow rectifying cavity with a conical structure, and a plurality of through holes are arranged on the rectifying cavity at intervals.

In some embodiments, the gas injection hole is disposed at a position above the gas injection cavity, and the gas injection hole extends into the gas injection hole after passing upward through the gas injection cavity.

In some embodiments, the gas injection holes have a height that is greater than the height of the water injection holes.

In some embodiments, the inner spray arm further comprises a water supply pipe, one end of the water supply pipe is communicated with external water supply, and the other end of the water supply pipe is connected with the water inlet in a buckling mode so that the inner spray arm and the water supply pipe can be connected together in a rotatable mode.

In some embodiments, the air pump further comprises a sleeve with a hollow cavity, the sleeve is arranged outside the water supply pipe, the upper end of the sleeve is in buckling connection with the air inlet so that the outer spray arm and the sleeve can be rotatably connected together, and the air pump is communicated with the sleeve.

In some embodiments, the dishwasher has a washing chamber, a collection box is provided at a top position inside the washing chamber to be suitable for collecting steam in the washing chamber, and the collection box is communicated with the air pump so that a circulation pipeline is formed among the collection box, the air pump and the outer spray arm.

In some embodiments, a plurality of openings are formed in the collection box, and a filter screen is arranged on the openings to filter water drops in the steam.

In some embodiments, a rotary power assembly is also included, the rotary power assembly being disposed on the outer spray arm to be adapted to provide rotary power to the spray arm structure.

In some embodiments, the rotary power assembly includes injection holes respectively disposed on opposite sides of the outer spray arm and in communication with the spray chamber.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the spray arm structure for the dish washing machine is simple in structure, and the cleaning effect is effectively improved through the combined action of the gas, the washing water and the rectifying spray nozzle, so that the cleaning rate of the dish washing machine is further improved.

Drawings

FIG. 1 is a schematic view of a spray arm structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of a spray arm structure according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a spray arm structure in accordance with an embodiment of the present utility model;

fig. 4 is an enlarged partial schematic view of the portion a in fig. 3.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which are obtained by a person of ordinary skill in the art without making any inventive effort, shall fall within the scope of the claimed utility model.

Embodiment one:

as shown in fig. 1 to 4, the present embodiment provides a spray arm structure for a dishwasher, comprising:

the outer spray arm 1 is provided with a spray cavity 11, an air inlet 12 communicated with the external gas supply and a spray hole 13 for spraying air outwards, wherein the spray cavity 11 is respectively communicated with the air inlet 12 and the spray hole 13;

the inner spray arm 2 is provided with a water spray cavity 21, a water inlet 22 communicated with external water supply and a water spray hole 23 for spraying water outwards, the water spray cavity 21 is respectively communicated with the water inlet 22 and the water spray hole 23, the outer spray arm 1 is sleeved outside the inner spray arm 2, and the water spray direction of the water spray hole 23 is intersected with the air spray direction of the air spray hole 13;

and the rectifying spray head 3, wherein the rectifying spray head 3 is arranged on the air injection hole 13.

In this embodiment, the spray arm structure is applied to a dishwasher to wash tableware, the outer spray arm 1 is sleeved outside the inner spray arm 2, that is, the inner wall of the spray cavity 11 and the outer wall of the spray cavity 21 are arranged at intervals to form a nested structure between the outer spray arm 1 and the inner spray arm 2, external water supply is supplied to the inside of the spray cavity 21 through the water inlet 22 to enable the spray cavity 21 to spray water flow to the tableware to be washed through the spray holes 23, external air supply is supplied to the inside of the spray cavity 11 through the air inlet 12 to convey high-pressure air to enable the spray cavity 11 to spray the high-pressure air outwards through the spray holes 13, and as the spray direction of the spray holes 23 intersects with the spray direction of the spray holes 13, the high-pressure air sprayed out of the spray holes 13 impacts the water column sprayed by the spray holes 23, the high-speed air flow impacts the water column to form water mist, and the water mist is sprayed onto the tableware, so that the tableware can achieve better washing effect.

Further, the rectification nozzle 3 is provided with a hollow rectification cavity with a conical structure, a plurality of through holes 31 are formed in the rectification cavity at intervals, the structure is simple, the design is reasonable, and the water mist sprayed outwards is rectified through the rectification nozzle 3 so that the water mist sprayed outwards is more uniform, and therefore the cleaning effect is effectively improved.

Preferably, the air spraying hole 13 is arranged at the upper position of the air spraying cavity 11, and the water spraying hole 23 penetrates through the air spraying cavity 11 upwards and then stretches into the air spraying hole 13, so that the structure is simple and compact, and the water column scattering by high-speed air flow can be effectively ensured to form granular water mist.

Specifically, the height of the air jet holes 13 is larger than that of the water jet holes 23, so that the design is reasonable and ingenious, and the high-speed air flow can be facilitated to impact the water column to form water mist.

In this embodiment, the air spraying hole 13 is disposed at the upper position of the air spraying cavity 11, the air spraying hole 23 passes through the air spraying cavity 11 upwards and then stretches into the air spraying hole 13, so that the outer side wall of the air spraying hole 23 and the inner side wall of the air spraying hole 13 are arranged at intervals, the water spraying direction of the air spraying hole 23 is intersected with the air spraying direction of the air spraying hole 13, and in order to enable the high-speed airflow sprayed by the outer spray arm 1 to scatter the water flow sprayed by the inner spray arm 2 into granular water mist, the height of the air spraying hole 13 is preferably greater than the height of the air spraying hole 23 in the vertical direction, when the water flow is sprayed from the inner spray arm 2, the high-speed airflow of the outer spray arm 1 can scatter the water flow into granular water mist, and the high-speed water mist can better realize the cleaning effect.

Further, the water supply pipe 4 is further included, one end of the water supply pipe 4 is communicated with external water supply, and the other end of the water supply pipe 4 is connected with the water inlet 22 in a buckling manner so that the inner spray arm 2 and the water supply pipe 4 can be rotatably connected together, and the water supply pipe is simple in structure and can be beneficial to supplying water into the water spray cavity 21.

Preferably, the air pump device further comprises a sleeve 5 with a hollow cavity and an air pump 6, wherein the sleeve 5 is arranged outside the water supply pipe 4, the upper end of the sleeve 5 is in buckling connection with the air inlet 12 so that the outer spray arm 1 and the sleeve 5 can be rotatably connected together, and the air pump 6 is communicated with the sleeve 5, so that the air pump device is simple and compact in structure and can be beneficial to conveying high-pressure air into the air spraying cavity 11.

Specifically, the dish washer is provided with a washing cavity 7, a collecting box 8 is arranged at the top position inside the washing cavity 7 and is suitable for collecting steam in the washing cavity 7, the collecting box 8 is communicated with an air pump 6, a circulation pipeline is formed among the collecting box 8, the air pump 6 and the outer spray arm 1, and the dish washer is reasonable in design, and the circulation pipeline is formed among the collecting box 8, the air pump 6 and the outer spray arm 1.

Preferably, a plurality of openings 81 are formed in the collecting box 8, and a filter screen is arranged on the openings 81 to filter water drops in the steam, so that the collecting box is simple in structure, can be used for filtering the water drops in the steam, and enables pure gas to enter the circulating pipeline as much as possible.

In this embodiment, one end of the water supply pipe 4 is communicated with external water supply, the other end of the water supply pipe is connected with the water inlet 22 in a buckling way, so that the inner spray arm 2 and the water supply pipe 4 are rotatably connected together, after the external water supply enters the spray cavity 21, washing water is sprayed outwards through the water spray holes 23, after the washing water is sprayed out, the washing water is collected and filtered, and then the collected washing water is conveyed into the spray cavity 21 again through the water pump, so that circulation of a waterway is realized, in addition, the dishwasher is provided with the washing cavity 7, a collecting box 8 is arranged at the top position inside the washing cavity 7, a plurality of openings 81 are formed at the bottom position of the collecting box 8 at intervals, a filter screen is arranged on the openings 81 so as to filter water drops in steam, so that pure air flows into the air pump 6 through a circulation pipeline, high-pressure air flows into the spray cavity 11 after passing through the sleeve 5, high-pressure air flows outwards through the air spray holes 13, water columns sprayed out of the high-pressure air flow impact holes 23, and the high-speed air flow impacts water columns to form water mist, and the water mist is sprayed onto tableware, so that the tableware can be washed, and the effect of washing can be realized.

Further, the rotary power assembly 9 is further included, and the rotary power assembly 9 is arranged on the outer spray arm 1 to be suitable for providing rotary power for the spray arm structure, so that the rotary power assembly is simple in structure and can be beneficial to providing rotary power for the spray arm structure.

In particular, the rotary power unit 9 includes injection holes respectively provided on opposite sides of the outer spray arm 1 and communicating with the spray chamber 11, and has a simple and compact structure, facilitating the operation rotation of the spray arm structure.

In this embodiment, the number of the spraying holes is two, the two spraying holes are respectively and reversely symmetrically arranged on two sides of the spraying cavity 11, and the spraying holes are communicated with the spraying cavity 11, of course, the two spraying holes can also respectively pass through the spraying cavity 11 and then are communicated with the spraying cavity 21, so that the rotating power is provided for the spraying arm structure through high-pressure air and/or water flow, in order to facilitate the driving of the spraying arm structure to rotate, the two spraying holes are reversely and symmetrically arranged at the end positions of the two sides of the spraying cavity 11, especially when the cross section of the outer spraying arm 1 is approximately S-shaped, the two spraying holes are reversely and symmetrically arranged at the end positions of the two sides of the outer spraying arm 1, and thus the rotating power is further provided for the spraying arm.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. A spray arm structure for a dishwasher, comprising:

the outer spray arm (1), the outer spray arm (1) is provided with a spray cavity (11), an air inlet (12) communicated with an external gas supply and a spray hole (13) for spraying air outwards, and the spray cavity (11) is respectively communicated with the air inlet (12) and the spray hole (13);

the inner spray arm (2) is provided with a water spray cavity (21), a water inlet (22) communicated with external water supply and a water spray hole (23) for spraying water outwards, the water spray cavity (21) is respectively communicated with the water inlet (22) and the water spray hole (23), the outer spray arm (1) is sleeved outside the inner spray arm (2), and the water spray direction of the water spray hole (23) is intersected with the air spray direction of the air spray hole (13);

and the rectification spray head (3) is arranged on the air injection hole (13).

2. Spray arm structure for a dishwasher according to claim 1, characterized in that the rectifying spray head (3) has a hollow and conical rectifying cavity, on which a number of through holes (31) are provided at intervals.

3. A spray arm structure for a dishwasher according to claim 1, characterized in that the spray hole (13) is provided at a position above the spray chamber (11), and the spray hole (23) extends into the spray hole (13) after passing upwardly through the spray chamber (11).

4. A spray arm structure for a dishwasher according to claim 3, characterized in that the height of the air jet holes (13) is greater than the height of the water jet holes (23).

5. A spray arm structure for a dishwasher according to claim 1, further comprising a water supply pipe (4), one end of the water supply pipe (4) being communicated with an external water supply, and the other end being snap-fitted to the water inlet (22) so that the inner spray arm (2) and the water supply pipe (4) are rotatably connected together.

6. A spray arm structure for a dishwasher according to claim 5, further comprising a sleeve (5) having a hollow cavity and an air pump (6), the sleeve (5) being provided outside the water supply pipe (4), and an upper end of the sleeve (5) being snap-fitted with the air inlet (12) to rotatably connect the outer spray arm (1) with the sleeve (5), the air pump (6) being in communication with the sleeve (5).

7. Spray arm structure for a dishwasher according to claim 6, characterized in that the dishwasher has a washing chamber (7), a collecting box (8) being provided at a top position inside the washing chamber (7) for collecting the steam in the washing chamber (7), the collecting box (8) being in communication with the air pump (6) such that a circulation line is formed between the collecting box (8), the air pump (6) and the outer spray arm (1).

8. Spray arm structure for a dishwasher according to claim 7, characterized in that the collection box (8) is provided with openings (81), and that the openings (81) are provided with a sieve for filtering water droplets in the steam.

9. A spray arm structure for a dishwasher according to any one of claims 1 to 8, further comprising a rotary power assembly (9), said rotary power assembly (9) being provided on said outer spray arm (1) adapted to provide rotary power to said spray arm structure.

10. Spray arm structure for a dishwasher according to claim 9, characterized in that the rotary power assembly (9) comprises spray holes, which are provided on opposite sides of the outer spray arm (1) and which communicate with the spray chamber (11).