CN212972879U

CN212972879U - Double-layer spraying system and cleaning machine with same

Info

Publication number: CN212972879U
Application number: CN202020224083.3U
Authority: CN
Inventors: 施郑赞; 刁硕; 韩健健; 陆泽杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2021-04-16
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a double-deck spraying system, including first spray arm and impeller subassembly, first spray arm has the body that extends along length direction, and the inside cavity of body forms from the middle first runner that extends to both ends respectively along length direction, the second runner, and the body middle part forms the chamber that catchments that is linked together with the end of intaking of first runner, second runner respectively, and impeller subassembly is arranged in to pumping in the first spray arm, still including the second spray arm of locating first spray arm top, and the second spray arm passes through the chamber fluid intercommunication that catchments of water delivery passageway and first spray arm. When the utility model is used, the impeller component draws water into the water collecting cavity of the first spray arm, and the water flow is sprayed out after being dispersed through the first flow passage and the second flow passage to carry out lower layer spraying; simultaneously, water in the water collecting cavity enters the second spray arm above the water collecting cavity through the output channel to spray on the upper layer, so that double-layer spraying is realized. The cleaning machine with the double-layer spraying system has the advantages that the spraying range is enlarged, the cleaning dead angle can be eliminated, and the cleaning effect is improved.

Description

Double-layer spraying system and cleaning machine with same

Technical Field

The utility model relates to a double-deck spraying system and applied cleaning machine that has this spraying system.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market at present are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

The above-mentioned various types of dish-washing machines generally achieve the cleaning action by lifting water up by a water pump and spraying it to the dishes, fruits and vegetables in the cleaning space, and a single-layer spraying system is adopted, and its impeller is only in accordance with the flow rate and pressure required by the single-layer spraying system. When the tableware washing machine works, tableware is arranged above the spray arm, and water flow sprayed by the spray arm washes the tableware from bottom to top. Because the washing rivers only have the impact force in limited direction, so current basin dish washer is put and the tableware appearance requirement is very high to user's tableware, and the tableware is put incorrectly or the tableware shape mismatch can lead to the cleanliness factor unsatisfactory, and when the tableware puts under the exact scene, the tableware top of part shape also probably has impurity to remain, influences washing effect and user experience.

The double-layer spraying system which sprays vertically and simultaneously can effectively improve the cleaning effect, and therefore, the structure which can meet the flow and pressure required by the double-layer spraying system is particularly necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem to prior art's current situation, thereby provide one kind and can provide the double-deck spraying system that upper and lower layer steady water flow improves the cleaning performance.

The utility model discloses another technical problem that will solve is to prior art's current situation, provides an use cleaning machine that has above-mentioned spraying system, and this cleaning machine can effectively eliminate and wash the dead angle, improve the cleaning performance.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a double-deck spraying system, includes first spray arm and impeller subassembly, first spray arm has the body that extends along length direction, and the inside cavity of this body forms first runner, the second runner that extends to both ends respectively along length direction from the centre, the body middle part forms the chamber that catchments that is linked together with the end of intaking of first runner, second runner respectively, impeller subassembly is arranged in pumping its characterized in that to first spray arm: still including locating the second spray arm of first spray arm top, this second spray arm passes through water delivery channel and first spray arm's water collection chamber fluid intercommunication.

In the above scheme, the central part of the bottom wall of the first spray arm is provided with a first water inlet corresponding to the water collecting cavity, and at least part of the impeller assembly can penetrate through the first water inlet in a rotating manner to be positioned in the water collecting cavity. The side wall of the water collecting cavity extends obliquely from the position tangent to the side wall to the water inlet end of the first flow passage to form a first pressurizing section, correspondingly, a second pressurizing section is formed between the other side wall of the water collecting cavity and the water inlet end of the second flow passage, and the second pressurizing section and the first pressurizing section are centrosymmetric relative to the central part of the water collecting cavity.

Preferably, the side wall of the water collecting cavity extends obliquely outwards from a position approximately tangent to the side wall of the water collecting cavity to form a third pressurizing section and a fourth pressurizing section, the third pressurizing section and the fourth pressurizing section are both positioned between the water inlet ends of the first flow passage and the second flow passage and are centrosymmetric relative to the central part of the water collecting cavity, and the water inlet end of the water delivery passage is connected with the water outlet ends of the third pressurizing section and the fourth pressurizing section. The third pressurizing section and the fourth pressurizing section are arranged to improve the pressure of water delivery to the second spray arm, so that the second spray arm above the third pressurizing section and the fourth pressurizing section are kept to have larger water flow.

Preferably, the water delivery channel comprises a first part which is located at the upper part and extends vertically, and a second part and a third part which are located below the first part, the first part is arranged above the water collecting cavity of the first spray arm, the second part and the third part are both in a C-shaped structure and are spirally connected to the lower end of the first part and two sides of the first spray arm, the spiral direction of the second part is consistent with that of the third part, the lower end of the second part is connected with the water outlet end of the third pressurizing section, and the lower end of the third part is connected with the water outlet end of the fourth pressurizing section. By adopting the structure, the spiral directions of the C-shaped second part and the C-shaped third part are exactly the same as the tracks of the corresponding pressurizing sections, so that energy loss is avoided, and larger water flow in the second spray arm is kept.

In order to facilitate connection, a second water inlet is formed in the central part of the bottom wall of the second spray arm, a plurality of water spray nozzles arranged at intervals are formed in the top wall of the second spray arm, and the second water inlet is connected with the upper end of the first part of the water delivery channel.

As an improvement, the side wall of the water delivery channel is connected with an air-entrapping structure capable of aerating air into the water delivery channel under the water flow circulation state. Set up this air entrainment structure, can make in the second spray arm spun aquatic carry the bubble to through the peeling strength of cavitation effect increase to the filth, improve the cleaning performance, lie in its insufficient water pressure's shortcoming in the top with the satisfied second spray arm.

Preferably, the air-entrapping structure comprises a shell and an elastic cushion, wherein a hollow cylindrical inner cavity is formed in the middle of the shell, the elastic cushion is cylindrical and matched with the inner cavity and is arranged in the inner cavity, a first channel for communicating the inner cavity with the outside atmosphere is formed at the first end of the shell, and a second channel for communicating the inner cavity with the inside of the water delivery channel is formed at the second end of the shell; the elastic cushion is provided with a ventilation port extending along the axial direction, the first end of the ventilation port is arranged corresponding to the inner wall of the shell on the periphery of the first channel, and the second end of the ventilation port is arranged corresponding to the second channel. By adopting the structure, when water flows through the water delivery channel, negative pressure can be formed on the inner wall of the channel, so that the elastic cushion is extruded, the first end of the ventilation port is separated from the inner wall of the shell and is positioned in the inner cavity, and at the moment, air can enter the water delivery channel through the first channel, the inner cavity, the ventilation port and the second channel.

The utility model provides an use cleaning machine that has above-mentioned double-deck spraying system, includes the box, and the inside middle part of this box forms washing chamber, its characterized in that: the double-layer spraying system is arranged in the washing cavity, a driving piece for driving the impeller assembly to rotate is arranged on the outer side of the bottom of the box body, and the output end of the driving piece penetrates through the bottom wall of the box body and extends into the washing cavity to be connected with the impeller assembly.

Compared with the prior art, the utility model has the advantages of: when the utility model is used, the impeller component draws water into the water collecting cavity of the first spray arm, and the water flow is sprayed out after being dispersed through the first flow passage and the second flow passage to carry out lower layer spraying; simultaneously, water in the water collecting cavity enters the second spray arm above the water collecting cavity through the output channel to spray on the upper layer, so that double-layer spraying is realized. The cleaning machine with the double-layer spraying system has the advantages that the spraying range is enlarged, the cleaning dead angle can be eliminated, and the cleaning effect is improved.

Drawings

Fig. 1 is a schematic structural view of a double-layer spraying system in an embodiment of the present invention;

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

FIG. 3 is a cross-sectional view of the first spray arm of FIG. 1;

fig. 4 is a sectional view of an air-entrapping structure in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention.

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 double-layer spraying system of the present embodiment includes a first spraying arm 1, an impeller assembly 3, and a second spraying arm 2, the first spraying arm 1 has a body extending along a length direction, the inside of the body is hollow to form a first flow channel 11 and a second flow channel 12 extending from the middle to two ends along the length direction, a circular water collecting cavity 10 communicated with water inlet ends of the first flow channel 11 and the second flow channel 12 is formed in the middle of the body, and the impeller assembly 3 is used for pumping water into the first spraying arm 1. The second spray arm 2 is arranged above the first spray arm 1 at a distance, and the second spray arm 2 is in fluid communication with the water collection chamber 10 of the first spray arm 1 via the water delivery channel 4.

The central part of the bottom wall of the first spray arm 1 is provided with a first water inlet 13 corresponding to the water collecting cavity 10, the top wall is provided with a plurality of water spraying holes arranged at intervals, the impeller assembly 3 comprises a centrifugal impeller 31 positioned at the upper part and an axial flow impeller 32 positioned at the lower part, the centrifugal impeller 31 can be rotatably arranged in the water collecting cavity 10 and used for dispersing water in the water collecting cavity 10 along the circumferential direction, so that water flow keeps high water pressure and enters a flow channel, and the axial flow impeller 32 is positioned below the first water inlet 13 and used for upwards drawing water below the first spray arm 1 into the water collecting cavity 10.

In the embodiment, a first pressurizing section 100 is formed by extending the sidewall of the water collecting chamber 10 from a position approximately tangent to the sidewall to the water inlet end of the first flow channel 11 in an inclined manner, and correspondingly, a second pressurizing section 200 is formed between the other sidewall of the water collecting chamber 10 and the water inlet end of the second flow channel 12, and the second pressurizing section 200 and the first pressurizing section 100 are symmetrical with respect to the center of the water collecting chamber 10. The side wall of the water collecting cavity 10 extends obliquely outwards from a position approximately tangent to the side wall to form a third pressurizing section 300 and a fourth pressurizing section 400, the third pressurizing section 300 and the fourth pressurizing section 400 are both positioned between the water inlet ends of the first flow passage 11 and the second flow passage 12 and are centrosymmetric relative to the central part of the water collecting cavity 10, and the water inlet end of the water conveying passage 4 is connected with the water outlet ends of the third pressurizing section 300 and the fourth pressurizing section 400. The third pressurizing section 300 and the fourth pressurizing section 400 are provided to increase the pressure of water delivery to the second spray arm 2, thereby maintaining a large water flow rate in the second spray arm 2 located above.

The water delivery channel 4 comprises a first part 41 which is positioned at the upper part and extends vertically, and a second part 42 and a third part 43 which are positioned below the first part 41, wherein the first part 41 is arranged above the water collection cavity 10 of the first spray arm 1, the second part 42 and the third part 43 are both in a C-shaped structure and are spirally connected with the lower end of the first part 41 and two sides of the first spray arm 1, the spiral directions of the second part 42 and the third part 43 are consistent, the lower end of the second part 42 is connected with the water outlet end of the third pressurizing section 300, and the lower end of the third part 43 is connected with the water outlet end of the fourth pressurizing section 400. With the above-described structure, the spiral direction of the C-shaped second and

third portions

42 and 43 is exactly the same as the trajectory of the corresponding pressurizing segment, thereby avoiding energy loss and maintaining a large water flow rate in the second spray arm 2.

For the convenience of connection, the central part of the bottom wall of the second spray arm 2 is provided with a second water inlet 21, the top wall is provided with a plurality of water spray nozzles arranged at intervals, and the second water inlet 21 is connected with the upper end of the first part 41 of the water delivery channel 4.

In this embodiment, an air-entrapping structure 5 capable of aerating the water delivery channel 4 in a water flow state is connected to a side wall of the water delivery channel 4. Set up this air entrainment structure 5, can make in the second spray arm 2 spun aquatic carry the bubble to through the peeling strength of cavitation effect increase to the filth, improve the cleaning performance, lie in its insufficient water pressure shortcoming of top with the satisfied second spray arm. The air-entrapping structure 5 comprises a housing 51 and an elastic cushion 52, wherein the housing 51 has a hollow cylindrical inner cavity 511 in the middle, the elastic cushion 52 is cylindrical and matched with the inner cavity 511 and is arranged in the inner cavity 511, a first end of the housing 51 is provided with a first passage 510 for communicating the inner cavity 511 with the outside atmosphere, and a second end of the housing 51 is provided with a second passage 520 for communicating the inner cavity 511 with the inside of the water delivery passage 4; the elastic cushion 52 is made of rubber material, the elastic cushion 52 is provided with a ventilation opening 521 extending along the axial direction, a first end of the ventilation opening 521 is arranged corresponding to the inner wall of the shell 51 at the periphery of the first channel 510, and a second end of the ventilation opening 521 is arranged corresponding to the second channel 520. With the structure, when water flows through the water delivery channel 4, negative pressure is formed on the inner wall of the channel, so as to extrude the elastic cushion 52, and the first end of the air vent 521 is separated from the inner wall of the shell 51 and is located in the inner cavity 511, and at the moment, air can enter the water delivery channel 4 through the first channel 510, the inner cavity 511, the air vent 521 and the second channel 520.

As shown in fig. 5, the cleaning machine with the above-mentioned double-layer spraying system applied in this embodiment includes a box 6, a washing chamber 61 is formed in the middle inside the box 6, the double-layer spraying system a is disposed in the washing chamber 61, the first spray arm 1 is rotatably supported on the inner bottom wall of the box 6 through a diversion seat, a driving member 7 for driving the impeller assembly 3 to rotate is disposed outside the bottom of the box 6, the driving member 7 is a motor, and an output shaft 71 of the driving member 7 penetrates through the bottom wall of the box 6 and extends into the washing chamber 51 to be connected with the impeller assembly 3, so as to drive the impeller assembly 3 to rotate.

When the spraying device is used, the impeller assembly 3 sucks water into the water collecting cavity 10 of the first spraying arm 1, the water is sprayed out after being dispersed through the first flow channel 11 and the second flow channel 12, and lower-layer spraying is carried out; meanwhile, water in the water collecting cavity 10 enters the second spray arm 2 above the water collecting cavity through the output channel 4 to spray on the upper layer, so that double-layer spraying is realized.

Claims

1. The utility model provides a double-deck spraying system, includes first spray arm (1) and impeller subassembly (3), first spray arm (1) has the body that extends along length direction, and the inside cavity of this body forms first runner (11), second runner (12) that extend to both ends respectively along length direction from the centre, the body middle part forms water-collecting cavity (10) that are linked together with the end of intaking of first runner (11), second runner (12) respectively, impeller subassembly (3) are arranged in to first spray arm (1) pump water, its characterized in that: the spraying device is characterized by further comprising a second spraying arm (2) arranged above the first spraying arm (1), wherein the second spraying arm (2) is in fluid communication with a water collecting cavity (10) of the first spraying arm (1) through a water delivery channel (4).

2. The dual layer spray system of claim 1, wherein: the central part of the bottom wall of the first spray arm (1) is provided with a first water inlet (13) corresponding to the water collecting cavity (10), and at least part of the impeller assembly (3) can penetrate through the first water inlet (13) in a rotating manner to be located in the water collecting cavity (10).

3. The dual layer spray system of claim 2, wherein: the side wall of the water collecting cavity (10) approximately extends from a tangent position to the water inlet end of the first flow channel (11) in an inclined mode to form a first pressurizing section (100), correspondingly, a second pressurizing section (200) is formed between the other side wall of the water collecting cavity (10) and the water inlet end of the second flow channel (12), and the second pressurizing section (200) and the first pressurizing section (100) are symmetrical relative to the center of the water collecting cavity (10).

4. The dual layer spray system of claim 3, wherein: the side wall of the water collecting cavity (10) extends outwards in an inclined manner from a position tangent to the side wall to form a third pressurizing section (300) and a fourth pressurizing section (400), the third pressurizing section (300) and the fourth pressurizing section (400) are both positioned between the water inlet ends of the first flow channel (11) and the second flow channel (12) and are centrosymmetric relative to the center of the water collecting cavity (10), and the water inlet end of the water conveying channel (4) is connected with the water outlet ends of the third pressurizing section (300) and the fourth pressurizing section (400).

5. The dual layer spray system of claim 4, wherein: the water delivery channel (4) comprises a first part (41) which is located at the upper part and extends vertically, and a second part (42) and a third part (43) which are located below the first part (41), wherein the first part (41) is arranged above the water collection cavity (10) of the first spray arm (1), the second part (42) and the third part (43) are both of C-shaped structures and are spirally connected to the lower end of the first part (41) and two sides of the first spray arm (1), the spiral directions of the second part (42) and the third part (43) are consistent, the lower end of the second part (42) is connected with the water outlet end of the third pressurizing section (300), and the lower end of the third part (43) is connected with the water outlet end of the fourth pressurizing section (400).

6. The dual layer spray system of claim 5, wherein: and a second water inlet is formed in the central part of the bottom wall of the second spray arm and is connected with the upper end of the first part of the water delivery channel.

7. The dual layer spray system of claim 5, wherein: and the side wall of the water delivery channel (4) is connected with an air-entrapping structure (5) capable of aerating air into the water delivery channel under the water flow circulation state.

8. The dual layer spray system of claim 7, wherein: the air-entrapping structure (5) comprises a shell (51) and an elastic cushion (52), a hollow cylindrical inner cavity (511) is formed in the middle of the shell (51), the elastic cushion (52) is cylindrical and matched with the inner cavity (511) and is arranged in the inner cavity (511), a first channel (510) for communicating the inner cavity with the outside atmosphere is formed at the first end of the shell (51), and a second channel (520) for communicating the inner cavity with the inside of the water delivery channel (4) is formed at the second end of the shell (51); the elastic cushion (52) is provided with an air vent (521) extending along the axial direction, the first end of the air vent (521) is arranged corresponding to the inner wall of the shell (51) at the periphery of the first channel (510), and the second end of the air vent (521) is arranged corresponding to the second channel (520).

9. A cleaning machine applying the double-layer spraying system of any one of claims 1 to 8, comprising a box body (6), wherein a washing cavity (61) is formed in the middle of the inside of the box body (6), and the cleaning machine is characterized in that: the double-layer spraying system (a) is arranged in the washing cavity (61), a driving piece (7) used for driving the impeller assembly (3) to rotate is arranged on the outer side of the bottom of the box body (6), and the output end of the driving piece (7) penetrates through the bottom wall of the box body (6) to extend into the washing cavity (61) and be connected with the impeller assembly (3).