CN113057553A

CN113057553A - Cleaning device

Info

Publication number: CN113057553A
Application number: CN202110294742.XA
Authority: CN
Inventors: 潘普观; 黄培杰; 陆金杏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-07-02
Anticipated expiration: 2041-03-18
Also published as: CN113057553B

Abstract

The invention provides a cleaning device, comprising: the cleaning device comprises a cleaning cavity, a cleaning cover and a cleaning cover, wherein a guide part is arranged in the cleaning cavity, and the guide part extends towards the bottom quadrant point direction of the cleaning cavity; the supporting arm is connected with a power piece and is suitable for being communicated with an external water source and axially rotates under the action of the power piece; the first spray arm is fixed and communicated with the support arm, and a plurality of first spray structures are arranged on the first spray arm; the second spray arm is sleeved on the first spray arm and is suitable for moving relative to the axis of the first spray arm, and a plurality of second spray structures are arranged on the second spray arm along the circumferential direction; the second spray arm is suitable for rotating relative to the first spray arm and performing telescopic motion along the extension direction of the second spray arm under the pulling of the connecting piece.

Description

Cleaning device

Technical Field

The invention relates to the technical field of household kitchen utensils, in particular to a cleaning device.

Background

Among the dishwashers currently on the market, there are various types of dishwashers in which a basket is built, and a spray arm as a cleaning tool generally performs a circular motion and washes the basket and dishes therein by spraying water.

However, the inner container of the dish washer is different in specific shape according to the type and brand of the dish washer, wherein most of the inner containers are in approximate square shapes for conveniently accommodating tableware, certain washing blind areas exist during water spraying washing through circular motion on the one hand, and the tableware in the basket at the corners of the inner containers are difficult to be washed cleanly.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defect of partial washing blind area in the washing of the dishwasher in the prior art, thereby providing a cleaning device.

The present invention provides a cleaning device, comprising:

the cleaning device comprises a cleaning cavity, a cleaning cover and a cleaning cover, wherein a guide part is arranged in the cleaning cavity, and the guide part extends towards the bottom quadrant point direction of the cleaning cavity;

the supporting arm is connected with a power piece and is suitable for being communicated with an external water source and axially rotates under the action of the power piece;

the first spray arm is fixed and communicated with the support arm, and a plurality of first spray structures are arranged on the first spray arm;

the second spray arm is sleeved on the first spray arm and is suitable for moving relative to the axis of the first spray arm, and a plurality of second spray structures are arranged on the second spray arm along the circumferential direction;

the second spray arm is suitable for rotating relative to the first spray arm and performing telescopic motion along the extension direction of the second spray arm under the pulling of the connecting piece.

The connecting piece includes:

the connecting rod is arranged at one end of the second spray arm, which is opposite to the first spray arm;

a movable rod on which a movable head is arranged, the movable head acting on the guide part;

the cross rods are respectively connected with the connecting rods and the movable rods, and the connecting rods and the movable rods are arranged in a staggered mode.

The movable head is a gear piece formed on the movable rod, the guide part is of a rack structure, and the gear piece is meshed with the rack structure.

The rack structure is arranged in a frame shape and is arranged in a fillet shape.

The rack structure includes: the horizontal part is provided with a rack matched with the gear piece;

a vertical portion provided between the gear piece and the movable rod.

At least one of the second spray arm and the first spray arm is provided with a limiting piece, and the limiting piece is suitable for limiting the slipping of the first spray arm and the second spray arm.

The locating part includes: the first projection piece is arranged on the inner side surface of the first spray arm, is close to the end part of the first spray arm, and is arranged in a protruding manner towards the second spray arm;

and the second protrusion piece is arranged on the end part of the second spray arm in the first spray arm, protrudes towards the first limiting piece and is arranged with the first limiting piece in a staggered manner along the radial direction of the second spray arm.

And a sealing element is arranged on the first protruding element and is closely adjacent to the outer side surface of the second spray arm.

The bottom wall of the cleaning cavity is provided with a limiting hole, and the supporting arm penetrates through the limiting hole.

The edge all sides of support arm are provided with the gear sleeve, the gear sleeve with the support arm is fixed, the power spare is the motor, is provided with drive gear on it, drive gear with the gear sleeve meshing sets up.

The first spraying structure and the second spraying structure are spraying holes, the first spraying structure is arranged along the circumferential direction of the first spraying arm uniformly, and the second spraying structure is arranged along the circumferential direction of the second spraying arm uniformly.

The cleaning device is a dishwasher.

The technical scheme of the invention has the following advantages:

1. the invention provides a cleaning device, comprising: the cleaning device comprises a cleaning cavity, a cleaning cover and a cleaning cover, wherein a guide part is arranged in the cleaning cavity, and the guide part extends towards the bottom quadrant point direction of the cleaning cavity; the supporting arm is connected with a power piece and is suitable for being communicated with an external water source and axially rotates under the action of the power piece; the first spray arm is fixed and communicated with the support arm, and a plurality of first spray structures are arranged on the first spray arm; the second spray arm is sleeved on the first spray arm and is suitable for moving relative to the axis of the first spray arm, and a plurality of second spray structures are arranged on the second spray arm along the circumferential direction; the second spray arm is suitable for rotating relative to the first spray arm and performing telescopic motion along the extension direction of the second spray arm under the pulling of the connecting piece.

Through the first spray arm of swing joint and second spray arm, set up the connecting piece simultaneously and make the second spray arm scalable and rotatory first spray arm relatively, cleaning device's the scope that sprays has been prolonged, the scope of wasing the blind area has been reduced, cleaning device's clean effect has been improved, and the combination of power spare and support arm, will rotate and spray the function separation, can be rotatory to required position with two spray arms, it is pointed to fix the washing to clean blind area, furtherly, through setting up the guide part, set up with the connecting piece cooperation, make the flexible and rotatory of second spray arm can obtain control under the guide effect of guide part, can correspond again when rotatory to clean blind area and make the extension of clean scope, further improve clear pertinence.

2. The invention provides a cleaning device, the connecting piece comprises: the connecting rod is arranged at one end of the second spray arm, which is opposite to the first spray arm; a movable rod on which a movable head is arranged, the movable head acting on the guide part; the cross rods are respectively connected with the connecting rods and the movable rods, and the connecting rods and the movable rods are arranged in a staggered mode.

Through the setting that connecting rod and movable rod are connected with the cross bar respectively for two structures are when transmission torque and displacement, also can realize the motion of equidirectional, improve the angular compensation ability, and then through the motion of connecting piece along the guide part, make second spray arm and first spray arm can be when rotating, can adapt to the motion trail of non-circle, reach and carry out clear effect to wasing the blind area originally.

3. The cleaning device provided by the invention, the limiting piece comprises: the first projection piece is arranged on the inner side surface of the first spray arm, is close to the end part of the first spray arm, and is arranged in a protruding manner towards the second spray arm; and the second protrusion piece is arranged on the end part of the second spray arm in the first spray arm, protrudes towards the first limiting piece and is arranged with the first limiting piece in a staggered manner along the radial direction of the second spray arm.

Through setting up the locating part, when preventing the slippage of first spray arm and second spray arm, avoid the second spray arm to interfere with the flexible and rotary motion of first spray arm relatively.

4. According to the cleaning device provided by the invention, the sealing element is arranged on the first protruding element, and the sealing element is closely adjacent to the outer side surface of the second spray arm.

The setting of sealing member has improved the leakproofness of first spray arm and second spray arm, when guaranteeing the flexible and rotary motion of two spray arms relative first spray arm, avoids the condition emergence of leaking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a structure of a cleaning apparatus provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of the part A of the cleaning device shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the cleaning apparatus shown in FIG. 1;

FIG. 4 is an enlarged view of a portion of the cleaning device shown in FIG. 3;

FIG. 5 is a schematic view of a portion of the cleaning apparatus shown in FIG. 1;

description of reference numerals:

1-a guide; 2-a support arm; 21-gear sleeve; 3-a power part; 31-a transmission gear; 4-a first spray arm; 41-a first spray structure; 42-a first boss; 5-a second spray arm; 51-a second spray structure; 52-a second boss; 6-connecting piece; 61-a connecting rod; 62-cross bar; 63-a movable rod; 631-a gear member; 7-cleaning the cavity; 71-limiting hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, the present embodiment provides a cleaning device including: cleaning chamber 7, brace arm 2, first spray arm 4, second spray arm 5 and connecting piece 6.

The cleaning cavity 7 is internally provided with a guide part 1, the guide part 1 extends towards the bottom quadrant point direction of the cleaning cavity 7, in the embodiment, the bottom quadrant point refers to an included angle part of the bottom surface of the cleaning cavity, and when the bottom surface of the cleaning cavity is arranged in a rectangular shape, the bottom quadrant point is four included angles; when the bottom surface of the cleaning cavity is arranged in a triangle, the bottom quadrant point is three included angles.

Further, guide part 1 is the guide rail structure, and concrete shape can correspond according to the shape in cleaning device place clean chamber 7 and adjust, and in this embodiment, cleaning device place clean chamber 7 is square structure, and guide part 1 corresponds and is the square frame form, sets up along the horizontal direction, and the four corners radius angle sets up.

The supporting arm 2 is arranged in a vertical cylinder shape, the periphery of the supporting arm is connected with a power piece 3, the inside of the supporting arm is communicated with an external water source, and the supporting arm can rotate along the axial direction under the action of the power piece 3;

first spray arm 4 is fixed and the intercommunication sets up with support arm 2, is provided with a plurality of first structures 41 that spray on it, and in this embodiment, first spray arm 4 sets up in support arm 2 top, is the horizontal direction setting and sets up perpendicularly with support arm 2, the even cleanness of being convenient for.

The two second spray arms 5 are sleeved at two ends of the first spray arm 4, movably connected with the first spray arm, and provided with a plurality of second spray structures 51 along the circumferential direction. The second spray arm 5 is adapted to move in relation to the axial direction of the first spray arm 4. As an alternative embodiment, only 1 second spray arm 5 may be provided, and one end of the first spray arm 4 may be provided with a stopper to prevent water from flowing out.

The connecting piece 6 is arranged on the second spray arm 5 and moves along the guide part 1, and the second spray arm 5 can rotate relative to the first spray arm 4 and can move telescopically along the extending direction of the second spray arm 5 under the action of the connecting piece 6.

Through the first spray arm 4 of swing joint and second spray arm 5, set up connecting piece 6 simultaneously and make second spray arm 5 scalable and rotatory first spray arm 4 relatively, cleaning device's the scope of spraying has been prolonged, the scope of wasing the blind area has been reduced, cleaning device's cleaning performance has been improved, and the combination of power spare 3 and support arm 2, will rotate and spray the function separation, can rotate two spray arms to required position, it is pointed fixes the washing to clean blind area, furtherly, through setting up guide part 1, set up with the cooperation of connecting piece 6, make the flexible and rotatory of second spray arm 5 can obtain controlling under the guide effect of guide part 1, can correspond again when rotatory to clean blind area and make the extension of clean scope, further improve clear pertinence.

The link 6 includes a connecting rod 61, a movable rod 63, and a cross rod 62.

The connecting rod 61 is in a semi-annular shape and is arranged at one end of the second spray arm 5, which is back to the first spray arm 4; the movable rod 63 is also in a semi-annular shape, and is provided with a movable head which acts on the guide part; the cross bars 62 are respectively connected with the connecting bars 61 and the movable bars 63, and the connecting bars 61 are arranged in a staggered manner.

Through the setting that connecting rod 61 and movable rod 63 are connected with crossbar 62 respectively for two structures are when transmission torque and displacement, also can realize the motion of equidirectional, improve the angular compensation ability, and then through the motion of connecting piece along guide part 1, make second spray arm 5 and first spray arm 4 can be when rotating, can adapt to the movement track of non-circle, reach and carry out clear effect to wasing the blind area originally.

In the embodiment, the movable head is a gear member 631 disposed on the movable rod 63, and the gear member 631 is movably connected to the guide portion 1 and is adapted to rotate under the action of the guide portion 1. The guide portion 1 has a rack structure and is engaged with the gear member 631 along a side thereof. In a preferred embodiment, the connecting member 6 is a universal joint, and in an alternative embodiment, the guide portion 1 may be provided with a guide groove, a guide projection, or the like, which is engaged with a latch or a snap ring structure on the movable rod 63.

Specifically, the rack structure includes a horizontal portion on which a rack is provided to be engaged with the gear member 631, and a vertical portion on which the horizontal portion is provided, the vertical portion being provided between the gear member 631 and the movable bar 63 and abutting against the cleaning chamber inner wall.

At least one of the second spray arm 5 and the first spray arm 4 is provided with a limiting piece, and the limiting piece is suitable for limiting the slipping of the first spray arm 4 and the second spray arm 5.

One end of the second spray arm 5 is sleeved in the first spray arm 4, a limiting part is arranged on any one of the second spray arm 5 and the first spray arm 4, and the limiting parts can limit the slipping of the first spray arm 4 and the second spray arm 5.

In the present embodiment, the limiting member includes a first protrusion 42 and a second protrusion 52.

A first projection 42 provided on the inner side surface of the first spray arm 4, adjacent to the end of the first spray arm 4, and projecting toward the second spray arm 5; and a second protrusion 52 provided on an end portion of the second spray arm 5 inside the first spray arm 4, protruding toward the first stopper, and disposed in a staggered manner with the first stopper along a radial direction of the second spray arm 5. Through setting up the locating part, when preventing the slippage of first spray arm 4 and second spray arm 5, avoid second spray arm 5 to interfere with the flexible and rotary motion of first spray arm 4 relatively.

As an alternative embodiment, the stopper may be provided not only on the second nozzle arm 5 but also on the first nozzle arm 4, for example, by stopping the second nozzle arm 5 by the inner diameter of the first nozzle arm 4.

Furthermore, the first projection 42 is provided with a seal, which is arranged in the immediate vicinity of the outer side of the second spray arm 5. In this embodiment, the seal is a sealing rubber ring. The sealing member is arranged, the sealing performance of the first spray arm 4 and the second spray arm 5 is improved, and the condition of water leakage is avoided while the telescopic and rotary motion of the two spray arms relative to the first spray arm 4 is ensured.

Be provided with gear sleeve 21 in the week side of support arm 2, be provided with spacing hole 71 along the diapire of support arm 2, support arm 2 passes spacing hole 71, gear sleeve 21 is fixed with support arm 2, and gear sleeve 21 is suitable for under the effect of power piece 3, and drive support arm 2 rotates, and support arm 2 one end passes spacing hole 71 to with spacing hole 71 swing joint, spacing hole 71 is suitable for the radial movement of restriction support arm 2. Specifically, the power member 3 is a motor, and a transmission gear 31 is disposed on the power member, and the transmission gear 31 is engaged with the gear sleeve 21. Power component 3 and gear sleeve 21 set up in the diapire downside, avoid intaking and take place to shut down the scheduling problem.

In this embodiment, the first spray structure 41 and the second spray structure 51 are spray holes, the first spray structure 41 is uniformly arranged along the circumferential direction of the first spray arm 4, and the second spray structure 51 is uniformly arranged along the circumferential direction of the second spray arm 5, so that the spraying uniformity is improved, the waste of water resources is reduced, and the cleaning effect is improved. As an alternative embodiment, the first spray pattern 41 and the second spray pattern 51 may also be micro shower-type patterns that assist in spraying.

In this embodiment, the cleaning device is specifically a dishwasher, and may also be a sterilizer or a cleaning box.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. A cleaning device, comprising:

the cleaning device comprises a cleaning cavity (7), wherein a guide part (1) is arranged inside the cleaning cavity (7), and the guide part (1) extends towards the bottom quadrant point direction of the cleaning cavity (7);

the support arm (2) is connected with a power part (3), and the support arm (2) is suitable for being communicated with an external water source and rotates along the axial direction under the action of the power part (3);

the first spray arm (4) is fixed and communicated with the support arm (2), and is provided with a plurality of first spray structures (41);

the second spray arm (5) is sleeved on the first spray arm (4), the second spray arm (5) is suitable for moving relative to the axis of the first spray arm (4), and a plurality of second spray structures (51) are arranged on the second spray arm (5) along the circumferential direction;

the connecting piece (6) is arranged on the second spray arm (5) and moves along the guide part (1), and the second spray arm (5) is suitable for rotating relative to the first spray arm (4) and performing telescopic motion along the extending direction of the second spray arm (5) under the pulling of the connecting piece (6).

2. Cleaning device according to claim 1, characterized in that the connecting piece (6) comprises:

the connecting rod (61) is arranged at one end, back to the first spray arm (4), of the second spray arm (5);

a movable rod (63) on which a movable head is arranged, said movable head acting on said guide (1);

the cross rods (62) are respectively connected with the connecting rods (61) and the movable rods (63), and the connecting rods (61) and the movable rods (63) are arranged in a staggered mode.

3. The cleaning device according to claim 2, characterized in that the movable head is a gear member (631) formed on the movable rod (63), the guide portion (1) is of a rack structure, and the gear member (631) is engaged with the rack structure.

4. A cleaning device as claimed in claim 3, wherein the rack structure is in a frame-like arrangement and in a rounded arrangement.

5. The cleaning apparatus as claimed in claim 3 or 4, wherein the rack structure comprises:

a horizontal part on which a rack matched with the gear part (631) is arranged;

a vertical portion provided between the gear member (631) and the movable lever (63).

6. Cleaning device according to any of claims 1-4, characterized in that a stop is provided at least on either of the second spray arm (5) and the first spray arm (4), which stop is adapted to limit the slipping out of the first spray arm (4) and the second spray arm (5).

7. The cleaning apparatus as claimed in claim 6, wherein the stopper comprises:

the first projection piece (42) is arranged on the inner side surface of the first spray arm (4), is adjacent to the end part of the first spray arm (4), and is arranged in a protruding way towards the second spray arm (5);

and the second bulge pieces (52) are arranged on the end parts of the second spray arms (5) in the first spray arms (4), protrude towards the first limiting pieces, and are arranged in a staggered manner with the first limiting pieces along the radial direction of the second spray arms (5).

8. A cleaning device according to claim 3, characterized in that a seal is arranged on the first projection (42), which seal is arranged in immediate vicinity of the outer side of the second spray arm (5).

9. A cleaning device as claimed in any one of claims 1-4, characterized in that the bottom wall of the cleaning chamber (7) is provided with a limiting hole (71), the supporting arm (2) passing through the limiting hole (71).

10. The cleaning device according to claim 9, characterized in that a gear sleeve (21) is arranged along the circumference of the supporting arm (2), the gear sleeve (21) is fixed with the supporting arm (2), the power member (3) is a motor, a transmission gear (31) is arranged on the motor, and the transmission gear (31) is engaged with the gear sleeve (21).

11. The cleaning device according to claim 1, wherein the first and second spray structures are spray holes, the first spray structures being uniformly circumferentially arranged along the first spray arm (4), and the second spray structures being uniformly circumferentially arranged along the second spray arm (5).

12. A cleaning device as claimed in any one of claims 1-4, 7-8, 10-11, characterized in that the cleaning device is a dishwasher.