CN216777004U - A spray structure and cleaning machine for cleaning machine - Google Patents

Abstract

The utility model relates to a spraying structure for a cleaning machine and the cleaning machine, wherein the spraying structure for the cleaning machine is used for being arranged in a washing cavity of the cleaning machine and is provided with a water inlet; it is characterized by comprising the following components: the mounting shaft is used for being mounted on the washing cavity and the inner wall plate, and an exhaust channel for exhausting gas in the washing cavity is formed in the hollow part of the mounting shaft; and the spraying channel is positioned on the peripheral side of the mounting shaft and is communicated with the water inlet fluid. The spraying structure can realize spraying and cleaning and exhaust, is favorable for maintaining the balance of gas in the washing cavity, and solves the problems of complexity caused by additionally arranging an exhaust channel and high energy consumption of the cleaning machine caused by the fact that a motor is required to drive the spraying part to rotate in the prior art.

Description

A spray structure and cleaning machine for cleaning machine

Technical Field

The utility model belongs to the field of household appliances, and particularly relates to a spraying structure for a cleaning machine and the cleaning machine.

Background

A washing machine is an apparatus that sprays cold or hot water to dishes to remove dirt adhered to the dishes or fruits and vegetables and wash the dishes or fruits and vegetables. The existing spray type cleaning machine generally realizes the spraying in various directions through the rotation of a sprayer.

The present dishwasher, like the chinese patent application "a spray arm structure and dishwasher", has a patent application number CN202110277509.0 (application publication number CN112842201A) and discloses a spray arm structure comprising a spray arm, a water inlet pipe with one end connected with the spray arm, a hollow connecting piece, and a driving device for driving the spray arm to rotate; drive arrangement includes driving motor and drive shaft, and the drive shaft sets up inside the inlet tube, and drive shaft one end can be dismantled with the connecting piece and be connected, and the other end runs through the inlet tube lateral wall and is connected with driving motor, and the connecting piece still can be dismantled with the spray arm respectively and be connected, cup joint with the inlet tube intercommunication. The current spraying structure needs to be rotated to realize the spraying and cleaning purpose, but the spraying structure needs to be driven by a motor and a driving shaft when rotating, the complexity of the structure is increased due to the existence of the driving motor, and the energy consumption of the dish washing machine is increased.

Therefore, further improvements to existing spray configurations and cleaning machines are needed.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a spraying structure for a cleaning machine, which does not need to rotate and has an exhaust function, in view of the current state of the prior art.

The second technical problem to be solved by the present invention is to provide a cleaning machine for realizing transverse spraying cleaning in view of the current situation of the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a spray structure for a cleaning machine is used for being installed in a washing cavity of the cleaning machine and is provided with a water inlet; it is characterized by comprising the following steps:

the mounting shaft is used for being mounted on the washing cavity and the inner wall plate, and an exhaust channel for exhausting gas in the washing cavity is formed in the hollow part of the mounting shaft;

and the spraying channel is positioned on the peripheral side of the mounting shaft and is communicated with the water inlet fluid.

The side part spraying piece has various structural forms, can adopt a linear spraying arm form, can also adopt three-blade or four-blade spraying arm forms and can also adopt other forms, but preferably, a plurality of annular sheets which are arranged along the axial direction of the installation shaft at intervals are arranged on the peripheral wall of the installation shaft, a plurality of flow guide ribs which are radially arranged by taking the installation shaft as the center are arranged between two adjacent annular sheets, and the spraying channel is formed between two adjacent flow guide ribs.

The outer circumference of each annular plate is spaced outward along the length direction of the flow guiding rib, or may be not spaced outward, but from the aspect of cleaning effect, it is preferable that the outer circumference of each annular plate is spaced outward along the length direction of the flow guiding rib along the gas flowing direction in the exhaust passage.

The ring segments may be in the form of circular rings, may be in the form of ovals, and may have other ring-like configurations, but preferably the ring segments are circular rings.

The spray channel is formed in various forms, such as an annular form and a radial form, but preferably, a plurality of convex strips which are arranged at intervals along the circumferential direction and extend along the axial direction of the installation shaft are arranged on the outer circumferential wall of the installation shaft, the annular sheets are installed on the outer wall of the convex strips, and a water passing channel which is communicated with the water inlet and the spray channel is formed between every two adjacent convex strips.

In order to increase the discharge of the air flow, the cross-sectional area of the mounting shaft is gradually increased along the flow direction of the air flow inside the mounting shaft.

The annular plate may be planar or arcuate, but preferably the central region of the plate is convex in the direction of gas flow in the mounting shaft.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: the cleaning machine with the spraying structure comprises a cleaning box with a washing cavity inside, and the spraying structure is arranged on the inner side wall of the washing cavity.

In order to realize the accommodation of the spraying structure, a concave cavity is formed on the inner side wall of the washing cavity in a local concave mode at the position corresponding to the spraying structure, and the spraying structure is installed in the corresponding concave cavity.

In order to realize the capability of transversely cleaning dishes, the two spraying structures are arranged at intervals and communicated through a connecting channel, an opening is formed in the position, close to the center, of the connecting channel, and the inlet ends of the sub-channels, located on the two sides of the opening, of the connecting channel are water inlets corresponding to the spraying structures.

In order to guide the water into the sub-channels quickly, a second impeller for guiding the water into the two sub-channels quickly is arranged in the opening, and the second impeller is arranged to rotate relative to the connecting channel.

The second impeller may be driven to rotate by the fluid or by the active driving member, but from the viewpoint of reliability of rotation, it is preferable that a second motor for driving the second impeller to rotate is further included, and the second impeller is mounted on an output shaft of the second motor.

In order to realize the spraying and cleaning from bottom to top, a first spraying piece capable of rotating is arranged at the position, close to the bottom, of the washing cavity, a cavity is arranged inside the first spraying piece, an inlet communicated with the cavity is formed in the bottom wall of the first spraying piece, and a first spray hole communicated with the cavity and used for spraying upwards is formed in the top wall of the first spraying piece.

In order to realize the water supply of the spraying structure, a draining cavity is arranged in the cleaning box and is positioned below the washing cavity, and a water inlet of the spraying structure is communicated with the draining cavity through a water guide channel.

Preferably, the water guide channel further comprises a transverse section and a vertical upwards extending section, the transverse section is located below the washing cavity, one end of the transverse section is communicated with the draining cavity, the other end of the transverse section is communicated with the extending section, the number of the water guide channels is two, the extending sections of the two water guide channels are communicated with the opening through water flow channels, the water flow channels extend vertically, and through holes communicated with the connecting channel are formed in the top wall of each water flow channel.

Compared with the prior art, the utility model has the advantages that: this cleaning machine's the structure that sprays need not to rotate, rivers pass through the spraying channel blowout and realize wasing, in addition, through its exhaust passage who sprays the installation epaxial of structure realize the exhaust to the washing chamber, so, foretell spraying structure can realize spraying the washing, can realize exhausting again, is favorable to maintaining the gaseous balance in the washing chamber, has overcome the loaded down with trivial details nature that needs to set up in addition among the prior art that exhaust passage brought and need the motor to drive the problem that the cleaning machine that sprays the rotation and bring consumes highly.

Drawings

FIG. 1 is a longitudinal cross-sectional view of two spray configurations;

FIG. 2 is a longitudinal sectional view of the cleaning machine of the present embodiment taken along the front-rear direction in a closed state;

fig. 3 is a longitudinal sectional view of the cleaning machine of the present embodiment in the left-right direction in a closed state;

FIG. 4 is a cross-sectional view of FIG. 2;

FIG. 5 is a transverse cross-sectional view of a spray configuration;

FIG. 6 is an enlarged view of section I of FIG. 4;

fig. 7 is a longitudinal cross-sectional view at another angle of fig. 2.

Detailed Description

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

As shown in fig. 1 to 7, the washing machine of the present embodiment is used to wash kitchen utensils or fruits and vegetables. The cleaning machine comprises a cleaning box 1 and a spraying structure.

As shown in fig. 2 to 4, the cleaning tank 1 includes a tank 11 having an open top and a door 12 covering the open top of the tank 11, a washing chamber 100 and a draining chamber 101 located below the washing chamber 100 are enclosed between the tank 11 and the door 12, and the draining chamber 101 and the washing chamber 100 are separated by a draining plate disposed in the tank. The spraying structure in this embodiment has two spraying structures, and the two spraying structures are transversely arranged side by side at intervals on the rear side wall of the washing cavity 100, the rear side wall of the washing cavity 100 is locally recessed at a position corresponding to the spraying structure to form a concave cavity 1000, and the spraying structure is installed in the corresponding concave cavity 1000. In addition, the spraying structure can be arranged on the top or the bottom of the washing cavity or the inner side wall of the washing cavity except the rear side wall.

The two spray structures have the same structural form, and one of the spray structures is described below as an example. As shown in fig. 2, the spray structure includes a mounting shaft 71 and a spray passage 731. The mounting shaft 71 is installed on the inner wall of the washing chamber 100, and an exhaust passage 711 for exhausting gas in the washing chamber 100 is formed in the hollow interior of the mounting shaft 71. Further, the cross-sectional area of the aforementioned mounting shaft 71 gradually increases along the flow direction of the airflow therein. Therefore, the gas in the washing cavity is conveniently discharged.

As shown in fig. 2, the aforementioned spray passage 731 is located on the circumferential side of the mounting shaft 71 and is in fluid communication with the water inlet 700. Specifically, the outer peripheral wall of the mounting shaft 71 is provided with a plurality of annular fins 72 arranged at intervals in the axial direction thereof, and the area of the annular fins 72 adjacent to the center thereof is projected in the gas flow direction in the mounting shaft 71. A plurality of flow guiding ribs 73 radially arranged by taking the mounting shaft 71 as a center are arranged between two adjacent annular sheets 72, and the spraying channel 731 is formed between two adjacent flow guiding ribs 73. The outer periphery of each annular plate 72 is spaced outwardly along the length direction of the flow guiding rib 73 along the gas flowing direction in the exhaust passage 711, specifically, in the present embodiment, the annular plate 72 has a circular ring shape, and the diameter of each annular plate 72 gradually increases along the gas flowing direction in the exhaust passage 711. In order to guide the water at the water inlet 700 into the spraying channel 731 conveniently, a plurality of protruding strips 74 which are arranged at intervals along the circumferential direction and extend along the axial direction of the mounting shaft 71 are arranged on the outer circumferential wall of the mounting shaft 71, the annular sheet 72 is mounted on the outer wall of the protruding strips 74, and a water passing channel 741 which communicates the water inlet 700 and the spraying channel 731 is formed between every two adjacent protruding strips 74.

The two spraying structures 7 are communicated with each other through the connecting channel 81, as shown in fig. 1, an opening 810 is formed in a position of the connecting channel 81 adjacent to the center, and inlet ends of the sub-channels 811 of the connecting channel 81 located at two sides of the opening 810 are water inlets 700 corresponding to the spraying structures. The draining chamber 101 is in fluid communication with the water inlet 700 through the water guiding passage 8, thereby supplying water into the water inlet 700 through the draining chamber 101. As shown in fig. 7, the water guide channel 8 further includes a horizontal section 82 located below the washing chamber 100 and an extending section 83 extending vertically upward, one end of the horizontal section 82 is communicated with the draining chamber 101, the other end of the horizontal section 82 is communicated with the extending section 83, there are two water guide channels 8, the extending sections 83 of the two water guide channels 8 are communicated with the opening 810 through the water flow channel 84, the water flow channel 84 extends vertically, and a through hole 841 communicated with the connecting channel 81 is formed on the top wall of the water flow channel 84. In order to facilitate the rapid diversion of water into the two sub-channels 811, a second impeller 86 is provided in the opening 810 for rapidly diverting water into the two sub-channels, the second impeller 86 being arranged to rotate relative to the connecting channel 81. The second impeller 86 can be driven by water flow or by a driving member, and in this embodiment, the second impeller 86 is driven by the driving member, specifically, the second impeller 86 is driven by the second motor 85, and the second impeller 86 is mounted on the output shaft of the second motor 85.

In addition, for spraying upwards, as shown in fig. 2, 6 and 7, a rotatable first spraying member 2 is disposed at a position adjacent to the bottom of the washing chamber 100, a chamber 21 is disposed inside the first spraying member 2, an inlet 211 communicating the draining chamber 101 and the chamber 21 is disposed on a bottom wall of the first spraying member 2, the first spraying member 2 is a spraying arm, and a first spraying hole 212 communicating with the chamber 21 for spraying upwards is disposed on a top wall of the first spraying member 2. In order to pump water into the cavity 21, the bottom of the cleaning tank 1 is provided with a power assembly 14 for pumping water into the inlet 211 of the first spraying member 2, the power assembly 14 includes a first motor 141 and a first impeller 142, the first impeller 142 passes through the inlet 211 of the first spraying member 2 and is located in the flow passage 31 of the first spraying member 2, the first motor 141 is located below the first impeller 142 and has an output shaft extending upward, and the first impeller 142 is mounted on the output shaft of the first motor 141 and is driven by the first motor 141 to rotate.

The upward spraying in the above embodiments includes, but is not limited to, a vertical upward spraying, and may be an inclined upward spraying as long as it can be sprayed upward.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims (15)

1. A spray structure for a washing machine, intended to be mounted in a washing chamber (100) of the washing machine, has a water inlet (700); it is characterized by comprising the following steps:

a mounting shaft (71) for mounting the washing chamber (100) to an inner wall plate, and having an exhaust passage (711) formed therein for exhausting gas from the washing chamber (100);

and the spraying channel (731) is positioned on the peripheral side of the mounting shaft (71) and is communicated with the water inlet (700) in a fluid manner.

2. The spray structure of claim 1, wherein: be provided with on the periphery wall of installation axle (71) along a plurality of annular ring pieces (72) that are that their axial interval arranged, adjacent two be provided with a plurality of between ring piece (72) with installation axle (71) is radial arrangement's water conservancy diversion muscle (73) as the center, adjacent two be formed with between water conservancy diversion muscle (73) spray passage (731).

3. The spray structure of claim 2, wherein: the outer periphery of each annular sheet (72) is arranged at intervals outwards along the length direction of the flow guiding ribs (73) along the gas flowing direction in the exhaust channel (711).

4. The spray structure of claim 2, wherein: the annular sheet (72) is annular.

5. The spray structure of claim 2, wherein: the outer peripheral wall of installation axle (71) is provided with a plurality of sand grip (74) of arranging and all along the axial extension of this installation axle (71) along circumference interval, annular piece (72) are installed on the outer wall of sand grip (74), adjacent two be formed with between sand grip (74) and communicate water inlet (700) and water passing channel (741) of shower passageway (731).

6. The spray structure of claim 2, wherein: the cross-sectional area of the mounting shaft (71) gradually increases along the flow direction of the airflow therein.

7. The spray structure of claim 2, wherein: the central region of the annular plate (72) is convex in the direction of gas flow in the mounting shaft (71).

8. A cleaning machine having the spray structure of any one of claims 1 to 7, characterized in that: the washing machine comprises a washing box (1) with a washing cavity (100) inside, wherein a spraying structure (7) is arranged on the inner side wall of the washing cavity (100).

9. The cleaning machine of claim 8, wherein: the inner side wall of the washing cavity (100) is locally recessed to form a cavity (1000) at a position corresponding to the spraying structure, and the spraying structure is installed in the corresponding cavity (1000).

10. The cleaning machine of claim 9, wherein: the two spraying structures (7) are arranged at intervals, the two spraying structures (7) are communicated through a connecting channel (81), an opening (810) is formed in the position, close to the center, of the connecting channel (81), and the inlet ends of sub-channels (811) of the connecting channel (81) located on the two sides of the opening (810) are water inlets (700) corresponding to the spraying structures.

11. The cleaning machine of claim 10, wherein: a second impeller (86) for rapidly guiding water into the two sub-channels is arranged in the opening (810), and the second impeller (86) can rotate relative to the connecting channel (81).

12. The cleaning machine of claim 11, wherein: the fan is characterized by further comprising a second motor (85) for driving the second impeller (86) to rotate, wherein the second impeller (86) is installed on an output shaft of the second motor (85).

13. The cleaning machine of claim 10, wherein: the washing device is characterized in that a rotatable first spraying piece (2) is arranged at a position, close to the bottom, of the washing cavity (100), a cavity (21) is arranged inside the first spraying piece (2), an inlet (211) communicated with the cavity (21) is formed in the bottom wall of the first spraying piece (2), and a first spray hole (212) communicated with the cavity (21) and used for spraying upwards is formed in the top wall of the first spraying piece.

14. The cleaning machine of claim 13, wherein: the washing tank (1) is internally provided with a draining cavity (101) below the washing cavity (100), and a water inlet (700) of the spraying structure is in fluid communication with the draining cavity (101) through a water guide channel (8).

15. The cleaning machine of claim 14, wherein: the water guide channel (8) further comprises a transverse section (82) located below the washing cavity (100) and an extending section (83) extending vertically upwards, one end of the transverse section (82) is communicated with the draining cavity (101), the other end of the transverse section is communicated with the extending section (83), the number of the water guide channels (8) is two, the extending sections (83) of the two water guide channels (8) are communicated with the opening (810) through water flow channels (84), the water flow channels (84) extend vertically, and through holes (841) communicated with the connecting channel (81) are formed in the top wall of the water flow channels (84).

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