CN218484514U

CN218484514U - A spray arm and cleaning machine for cleaning machine

Info

Publication number: CN218484514U
Application number: CN202221707488.8U
Authority: CN
Inventors: 魏本柱
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-02-17
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to a spray arm and cleaning machine for cleaning machine, spray arm include body and nozzle, the inside cavity of body forms the runner, the body is provided with water inlet, the hole for water spraying that is linked together with the runner, it has the delivery port to open on the body roof, the nozzle can be connected with rotating in this delivery port department, the nozzle just has hollow chamber of catchmenting for discoid, the nozzle bottom is opened and is arranged formation water inlet, top and open the water jet that has the slope to arrange, be provided with in the nozzle along the blade under radial extension and bottom extension to the water inlet. The utility model discloses set up the blade bottom the nozzle, can drive the nozzle rotation under the water impact on the one hand, increase nozzle rotational speed, on the other hand shunts the water that gets into the nozzle, avoids rivers disorder and causes rivers energy loss, prevents that the efflux is unstable and takes place the jamming when leading to the nozzle to rotate in the nozzle, keeps the water column that the nozzle sprays to have higher lift, improves the cleaning performance.

Description

A spray arm and cleaning machine for cleaning machine

Technical Field

The utility model relates to a dish washer technical field specifically indicates a spray arm and cleaning machine for cleaning machine.

Background

A dishwasher is generally provided with a spray arm for spraying water to wash dishes or vegetables. For example, chinese patent publication No. CN204813755U, "spray arm seat of dishwasher", spray arm device of dishwasher and dishwasher "(application No. CN 201520531714.5), chinese patent publication No. CN209932651U," spray arm of cleaning machine "(application No. cn201920258610. X), and so on disclose corresponding spray arm structures.

For the spray arm with the structure, the water inlet is positioned on one side wall of the spray arm, and double water outlets are formed from the water inlet to two sides, the spray arm is driven to rotate by viscous force of water dispersed in the flow channel, and the other side wall of the spray arm is provided with the water spraying hole for spraying water columns. In the existing dish washing machine, after the structure of the dish rack is fixed, the positions of dishes on the dish rack are unchanged, and the water columns sprayed by the spraying arms are approximately linear (strip-shaped), so that the range of the sprayed water columns is limited, the surfaces of all tableware cannot be considered, dead angles exist in washing, and the washing effect is influenced. Meanwhile, for a dish washer with a rectangular washing cavity, a washing dead angle is easy to generate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is to prior art's current situation, thereby provides one kind and can effectively eliminate and wash the spray arm that is used for the cleaning machine that the dead angle improves the cleaning performance.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides an use the cleaning machine that has above-mentioned spray arm.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does:

the spray arm for the cleaning machine comprises a body and a nozzle, wherein a flow channel is formed in the hollow part of the body, the body is provided with a water inlet and a water spraying hole communicated with the flow channel, a water outlet is formed in the top wall of the body, the nozzle can be rotatably connected to the water outlet, the nozzle is disc-shaped and is provided with a hollow water collecting cavity, the bottom of the nozzle is opened to form a water inlet, the top of the nozzle is provided with a water spraying hole which is obliquely arranged relative to the upper surface of the top, and blades which extend along the radial direction and extend to the bottom of the nozzle to be below the water inlet are arranged in the nozzle.

Preferably, the number of the blades is at least two, a shaft extending downwards is arranged at the central part of the inner top wall of the nozzle, the first end of each blade is connected with the outer peripheral surface of the shaft, and the second end of each blade extends out of the outer peripheral wall of the nozzle. By adopting the structure, the blade not only can increase the contact surface between the blade and water flow and increase the rotating power of the nozzle, but also can shunt the water entering the water collecting cavity, thereby avoiding the water flow from being disordered in the nozzle to cause energy loss or influence the rotating stability of the nozzle.

Preferably, the vane includes a first portion and a second portion, a first end of the first portion is connected to the outer circumferential surface of the shaft, a second end of the first portion is disposed adjacent to the inner circumferential wall of the nozzle, a first end of the second portion is connected to a lower portion of the second end of the first portion, and the second portion extends outwardly along the bottom edge of the nozzle water inlet to a position where the second end of the second portion is located outside the outer circumferential wall of the nozzle. The structure is favorable for further increasing the rotating speed of the nozzle and the water distribution effect.

Preferably, the first portion is arranged along the radial direction of the shaft, the second portion is arranged obliquely relative to the first portion, and the junction of the first portion and the second portion is connected in a smooth transition mode. This configuration contributes to further reducing the loss of capacity of the water flow.

Preferably, the height of the blade coincides with the height of the shaft.

Preferably, the bottom of the shaft is provided with a conical flow guide surface which gradually extends downwards from the outer edge of the shaft to the axis. The structure is favorable for further improving the diversion and flow distribution effects of water flow and reducing energy loss.

Preferably, the blade is matched with the shaft to divide the water collecting cavity into a plurality of water distributing cavities, and the top wall of the nozzle corresponding to each water distributing cavity is provided with at least one water spraying port. This structure is favorable to further improving the reposition of redundant personnel effect to water.

In order to facilitate assembly, the bottom edge of the nozzle is provided with a convex ring which extends outwards and can be matched with the inner top wall of the spray arm for limiting, and the top edge of the nozzle is provided with a convex clamp which can be matched with the outer top wall of the spray arm for limiting.

The cleaning machine comprises a box body, a water pumping mechanism and the spraying arm, wherein the spraying arm can be rotatably arranged in the box body, and the water pumping mechanism is used for pumping water at the bottom of the box body into the spraying arm.

Compared with the prior art, the utility model has the advantages of: the utility model arranges the spray nozzle which can rotate along with the spray arm and rotate simultaneously on the spray arm, and the water column sprayed by the spray nozzle is matched with the water column sprayed by the water spray hole, which is beneficial to diffusing the cleaning range and eliminating the cleaning dead angle, thereby improving the cleaning effect; simultaneously, the nozzle bottom has set up the blade, can drive the nozzle rotation under the rivers impact on the one hand, increases the nozzle rotational speed, and on the other hand shunts the water that gets into the nozzle, avoids rivers disorder and causes rivers energy loss, prevents that the efflux is unstable and takes place the jamming when leading to the nozzle to rotate in the nozzle, keeps the water column that the nozzle sprays to have higher lift, improves the cleaning performance.

Drawings

Fig. 1 is a schematic structural view of a spray arm according to an embodiment of the present invention;

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

FIG. 3 is a schematic structural view of a nozzle according to an embodiment of the present invention;

fig. 4 is a schematic bottom structure view of fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the spray arm for the cleaning machine of the present embodiment includes a body 1 and a nozzle 2, the body 1 extends along a length direction, a flow channel 11 is formed in the body 1, a water inlet 12 communicated with the flow channel 11 is disposed at a central portion of a bottom wall of the body 1, a plurality of water spraying holes 13 communicated with the flow channel 11 are formed on a top wall of the body 1, a water outlet 14 disposed near an end of the flow channel 11 is further formed on the top wall of the body 1, and the nozzle 2 is rotatably connected to the water outlet 14.

In the present embodiment, the nozzle 2 is a disc-shaped and has a hollow water collecting cavity 21, the bottom of the nozzle 2 is open to form a water inlet 22, the top of the nozzle 2 is opened with a water outlet 23 which is obliquely arranged, and the nozzle 2 is provided with a vane 24 which extends along the radial direction and extends from the bottom to the lower part of the water inlet 22.

The blades 24 are four groups, a shaft 25 extending downwards is arranged at the central part of the inner top wall of the nozzle 2, the blades 24 are uniformly distributed on the periphery of the shaft 25, the first ends of the blades 24 are connected with the peripheral surface of the shaft 25, and the second ends of the blades extend out of the peripheral wall of the nozzle 2. By adopting the structure, the blades 24 not only can increase the contact surface between the blades and water flow and increase the rotating power of the nozzle 2, but also can divide the water entering the water collecting cavity 21, thereby avoiding the water flow from being disordered in the nozzle 2 to cause energy loss or influence the rotating stability of the nozzle.

The vane 24 of the present embodiment includes a first portion 241 and a second portion 242, a first end of the first portion 241 is connected to the outer circumferential surface of the shaft 25, a second end of the first portion 241 is disposed adjacent to the inner circumferential wall of the nozzle 2, a first end of the second portion 242 is connected to a lower portion of the second end of the first portion 241, and the second portion 242 extends outwardly along the bottom edge of the water inlet 22 of the nozzle 2 to a position where the second end of the second portion 242 is located outside the outer circumferential wall of the nozzle 2. The first portion 241 is arranged along the radial direction of the shaft 25, the second portion 242 is arranged obliquely relative to the first portion 241, and the junction of the first portion 241 and the second portion 242 is connected in a smooth transition mode. The height of the blades 24 corresponds to the height of the shaft 25.

The bottom of the shaft 25 is provided with a conical guide surface 251 extending downward from the outer edge of the shaft 25 toward the axial center. The structure is favorable for further improving the diversion and flow distribution effects of water flow and reducing energy loss.

The blades 24 are matched with the shaft 25 to divide the water collecting cavity 21 into a plurality of water distributing cavities 211, and the top wall of the nozzle 2 corresponding to each water distributing cavity 211 is provided with a water spraying opening 23. This structure is favorable to further improving the reposition of redundant personnel effect to water. The water jet 23 has the same jet direction as the extension direction of the first end to the second end of the second part 242 in the circumferential direction of the nozzle 2, which is beneficial to improve the driving force of the water flow to the blade 24 and the jet lift of the water jet 23.

In order to facilitate assembly, a convex ring 26 which extends outwards and can be matched and limited with the inner top wall of the spray arm is arranged at the bottom edge of the nozzle 2, and a convex card 27 which can be matched and limited with the outer top wall of the spray arm is arranged at the top edge of the nozzle 2.

The cleaning machine of this embodiment includes box and pump water mechanism (not shown in the figure), still includes above-mentioned spray arm 1, and spray arm 1 can locate in the box with rotating, and pump water mechanism is arranged in pump to spray arm 1 with the water pump of bottom half.

In the embodiment, the spray arm is provided with the nozzle 2 which can rotate along with the spray arm and rotate simultaneously, and the water column sprayed by the nozzle 2 is matched with the water column sprayed by the water spray hole 13, so that the cleaning range can be favorably diffused, the cleaning dead angle can be eliminated, and the cleaning effect can be improved; simultaneously, 2 bottoms of nozzle have set up blade 24, can drive nozzle 2 under the rivers impact and rotate on the one hand, increase 2 rotational speeds of nozzle, and on the other hand shunts the water that gets into nozzle 2, avoids nozzle 2 rivers disorder and causes rivers energy loss, prevents that the efflux is unstable and takes place the jamming when leading to the nozzle to rotate, keeps the water column of nozzle injection to have higher lift, improves 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 present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. The utility model provides a spray arm for cleaning machine, includes body (1) and nozzle (2), the inside cavity of body forms runner (11), the body is provided with water inlet (12), hole for water spraying (13) that are linked together with runner (11), it has delivery port (14) to open on body (1) roof, nozzle (2) can connect in this delivery port (14) department with rotating, its characterized in that: the nozzle (2) is disc-shaped and is provided with a hollow water collecting cavity (21), the bottom of the nozzle (2) is arranged in an open way to form a water inlet (22), the top of the nozzle is provided with a water spraying opening (23) which is arranged obliquely relative to the upper surface of the top, and blades (24) which extend along the radial direction and extend to the bottom below the water inlet (22) are arranged in the nozzle (2).

2. The spray arm for a cleaning machine of claim 1 wherein: the nozzle is characterized in that at least two groups of blades (24) are arranged, a shaft (25) extending downwards is arranged in the center of the inner top wall of the nozzle (2), the first end of each blade (24) is connected with the outer peripheral surface of the shaft (25), and the second end of each blade extends out of the outer peripheral wall of the nozzle (2).

3. The spray arm for a cleaning machine of claim 2 wherein: the blade (24) comprises a first part (241) and a second part (242), wherein a first end of the first part (241) is connected with the outer circumferential surface of the shaft (25), a second end of the first part (241) is arranged close to the inner circumferential wall of the nozzle (2), a first end of the second part (242) is connected with the lower part of the second end of the first part (241), and the second part (242) extends outwards along the bottom edge of the water inlet of the nozzle (2) until the second end of the second part (242) is positioned outside the outer circumferential wall of the nozzle (2).

4. The spray arm for a cleaning machine of claim 3, wherein: the first part (241) is arranged along the radial direction of the shaft (25), the second part (242) is arranged obliquely relative to the first part (241), and the junction of the first part (241) and the second part (242) is connected in a smooth transition mode.

5. The spray arm for a cleaning machine of claim 4 wherein: the blades (24) are matched with the shaft (25) to divide the water collecting cavity (21) into a plurality of water distributing cavities (211), and the top wall of the nozzle (2) corresponding to each water distributing cavity (211) is provided with at least one water spraying opening (23).

6. The spray arm for a cleaning machine of claim 5, wherein: the direction of the water jet (23) is the same as the extension direction of the first end to the second end of the second part (242) in the circumferential direction of the nozzle (2).

7. The spray arm for a cleaning machine of claim 2 wherein: the height of the blades (24) corresponds to the height of the shaft (25).

8. The spray arm for a cleaning machine of claim 2 wherein: the bottom of the shaft (25) is provided with a conical flow guide surface (251) which gradually extends downwards from the outer edge of the shaft (25) to the axis.

9. The spray arm for a cleaning machine of any one of claims 1 to 8, wherein: the bottom edge of nozzle (2) is provided with outside extension and can cooperate spacing protruding circle (26) with the interior roof of spray arm, the top edge of nozzle (2) is provided with can cooperate spacing protruding card (27) with the outer roof of spray arm.

10. The utility model provides a cleaning machine, includes box and pump water mechanism, its characterized in that: the spray arm of any one of claims 1 to 8, wherein the spray arm is rotatably arranged in the box body, and the water pumping mechanism is used for pumping water at the bottom of the box body into the spray arm.