CN222870448U - A cleaning machine - Google Patents

Abstract

The utility model relates to a washing machine, comprising a box body, having an inner cavity with an open top or side, and the inner cavity of the box body is partially used as a storage space; a bowl rack assembly, arranged in the inner cavity of the box body, the bowl rack assembly comprising a rack and a bowl rack, the rack can be switched between a first position and a second position, when the rack is in the first position, the rack is located above the bowl rack, when the rack is in the second position, the rack is stored in the storage space; a water supply pipe, on which a water outlet is provided; a spray assembly, connected to the rack and capable of moving with the rack, when the rack is in the first position, the spray assembly is fluidly connected with the water outlet, when the rack is in the second position, the spray assembly is fluidly disconnected from the water outlet. The spray assembly can wash the tableware on the bowl rack assembly (bowl rack and/or rack), and improve the washing effect of the tableware.

Description

Cleaning machine

Technical Field

The present utility model relates to a washing machine for washing dishes and/or fruits and vegetables.

Background

The cleaning machine is used as a device for automatically cleaning tableware such as bowls, chopsticks, plates, dishes, knives, forks, cookers, fruits and vegetables, and the like, thereby greatly facilitating the life of people. In the prior art, a washing cavity is arranged in the cleaning machine, and a bowl rack assembly for placing tableware is arranged in the washing cavity. In order to increase the number of articles to be cleaned, the bowl rack is usually provided with at least one bowl rack, and preferably at least one bowl rack can be in a use state or a storage state according to the number of articles to be cleaned.

If the bowl rack is stored outside the washing machine in a non-use state, space is needed to be specially vacated for placing the bowl rack, and according to the problem, the Chinese patent publication No. CN202221059984.7 (publication No. CN 217429968U) discloses a double-layer bowl rack, in the double-layer bowl rack, a cavity for containing tableware and having an open top is formed in the inside of the fixing rack, supporting structures are respectively arranged on the inner sides of the four peripheral sides of the fixing rack, the first rack body and the second rack body are folded or unfolded through the placing rack, the first rack body and the second rack body can be adjusted to different use states according to requirements after being assembled with the supporting structures of the fixing rack, when the first rack body and the second rack body are arranged side by side to enable the whole placing rack to be unfolded, the placing rack can be stored in a layered mode after being assembled with the fixing rack, and when a lower-layer tableware needs to be taken, the first rack body and the second rack body are only needed to be folded to the side of the fixing rack, and the operation is simple, and the operation is convenient.

The shelf of this patent is located the inside of mount under the coincide state, need not prepare the space in order to place the shelf in the cleaning machine outside like this, but the shelf accomodates in the mount inside, can cause the interference to putting the tableware in the mount inside.

In order to solve the problems, a shelf assembly and a dish washer with the same disclosed in Chinese patent publication No. CN202321570947.7 (publication No. CN 219982822U) comprises a main shelf, a sliding rail, a sliding bracket and a sliding bracket, wherein the sliding rail comprises a transverse rail section and a side rail section which are connected, the transverse rail section is transversely arranged above or below the main shelf, the side rail section is detachably connected to the main shelf, the sliding bracket is slidably arranged on the sliding rail between a unfolding position and a storage position, and the sliding bracket is positioned on the transverse rail section when in the unfolding position so as to be suitable for transversely arranging objects.

The sliding bracket is arranged outside the main shelf when in the storage position, so that the sliding bracket does not occupy the space inside the main shelf. However, such shelf assemblies suffer from the following drawbacks:

1. Because the slide rail is composed of the cross rail section and the side rail section, the sliding bracket is easy to be blocked when passing through the joint between the cross rail section and the side rail section. It is mentioned in paragraph 0123 of this patent that the sliding brackets are generally made of hard material for better placement of the cutlery, whereas the width of the sliding brackets is not too large in order to facilitate smooth commutation of the sliding brackets. The width of the individual slide brackets can thus be set narrow, increasing the placement area by increasing the number of slide brackets. In this way, when the state of the sliding brackets is switched, the sliding brackets need to be moved one by one, which is complicated.

2. The sliding bracket area of this patent is less, can not put more tableware, and this sliding bracket can not be too big, otherwise needs the height of side rail section to be higher, and then the distance of transverse rail section will be farther from main shelf, leads to sliding bracket to be in higher position, and the tableware on the sliding bracket is very easy to interfere with the roof of dish washer to can also cause the waste of vertical space between main shelf and the transverse rail section.

3. The sliding bracket is erected between the two sliding rails, and one end part of the transverse rail section is in a free state, so that the sliding stability of the sliding bracket can be influenced due to the fact that the sliding rail is easy to shake in the sliding process of the sliding bracket.

4. No matter what state the sliding bracket is in, the transverse rail section is always positioned above the lower bowl rack, and can influence the taking and placing of tableware in the lower bowl rack.

5. This patent does not set up the subassembly that sprays to the slip bracket is special, can only rely on the spray arm of dish washer bottom to spray then, and the spray arm of dish washer bottom mainly sprays the main shelf, spouts the rivers lift on the slip bracket and can weaken to because the shielding of main shelf, can further influence the main shelf and spray the tableware on the slip bracket, influence cleaning performance.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a cleaning machine which can be used for cleaning a bowl and frame assembly by configuring a spraying assembly and can be switched along with the state of a shelf aiming at the current state of the prior art.

The utility model solves the technical problems that the cleaning machine comprises

The box body is provided with an inner cavity with an opening at the top or at the side, and the inner cavity of the box body is partially used as a storage space;

The bowl rack assembly is arranged in the inner cavity of the box body and comprises a shelf and a bowl rack, the shelf can be switched between a first position and a second position, the shelf is positioned above the bowl rack when the shelf is positioned at the first position, and the shelf is accommodated in the accommodating space when the shelf is positioned at the second position;

Characterized in that it also comprises

A water supply pipe provided with a water outlet;

the spraying assembly is connected with the shelf and can move along with the shelf, when the shelf is in a first position, the spraying assembly is in fluid communication with the water outlet, and when the shelf is in a second position, the spraying assembly is in fluid disconnection with the water outlet.

Preferably, when the shelf is in the first position, the shelf is horizontally arranged above the bowl rack, tableware can be placed on the shelf and the bowl rack at the moment, when the shelf is in the second position, the shelf is vertically stored in the storage space, and the shelf does not need to be taken out of the box body when not used, and the space for placing the shelf and the spraying assembly is not needed outside the box body.

Preferably, the storage space is located at one side of the bowl rack, space occupation during storage is reduced, and the upper part of the bowl rack is not limited and can accommodate the ultrahigh object. The accommodation space can be located in the bowl rack accommodation space, and can also be located in the outside of the bowl rack accommodation space, under this condition, the shelf can not occupy the space of bowl rack inside, can not influence the placement of tableware in the bowl rack.

The rack can be manually moved to the first position or the second position, no connection relation exists between the rack and the bowl rack as well as between the rack and the box body, and preferably, the cleaning machine further comprises a connecting piece which can be positioned in the box body, the rack is connected with the connecting piece, the rack can be rotated to a horizontal state or a vertical state, and the rack can be moved to one side of the bowl rack or above the bowl rack along the up-down direction under the vertical state. Therefore, the shelf can be restrained by the connecting piece when moving, and the moving track of the shelf is limited to a certain extent. In addition, when the shelf is switched from the first position to the second position, the shelf is firstly rotated to a vertical state, then the shelf is moved downwards to the side of the bowl rack, when the shelf is switched from the second position to the first position, the shelf is firstly moved upwards to the top of the bowl rack, then the shelf is rotated downwards to a horizontal state, the problem of interference and clamping of components during the switching between the horizontal and vertical states can be avoided through the moving process of the shelf, the moving process of the shelf can be smoothly carried out, the shelf can be turned over, the size of the shelf can be made larger, even the top opening of the bowl rack can be fully covered, a large number of tableware can be placed, and the shelf can be close to the bowl rack when being in the first position, is compact in vertical structure, and cannot cause waste of vertical space.

The connecting piece can be a rope which can locally bind the shelf and the bowl rack together, but the movement of the shelf is not affected, but the track restriction on the movement of the shelf is smaller, so that the connecting piece is preferably in a rod shape with the axis extending along the horizontal direction, the shelf can rotate to a horizontal state or a vertical state around the axis of the connecting piece, and the shelf can move up and down to one side of the bowl rack or above the bowl rack relative to the connecting piece in the vertical state. Thus, when the shelf rotates, the connecting piece can play a certain constraint role on the shelf.

In the scheme, the axis of the connecting piece extends along the left-right direction, and the shelf is turned back and forth at the moment, or the axis of the connecting piece extends along the front-back direction, and the shelf is turned left and right at the moment.

In order to guide the vertical moving track of the shelf, the cleaning machine further comprises a guide rail which can be positioned in the box body, one end of the connecting piece stretches into the guide rail, and the guide rail vertically extends and is in sliding fit with the connecting piece when the shelf is in a vertical state so as to play a role in guiding.

One of the guide rails is arranged on the shelf, the connecting piece is relatively fixedly arranged on the box body or the bowl rack, and the guide rail horizontally extends when the shelf is positioned at the first position. When the shelf is in the second position, the guide rail is also moved away from the upper part of the bowl rack, so that the placing of tableware in the bowl rack is not influenced.

The other arrangement mode of the guide rail is that the guide rail is arranged on the bowl rack and extends vertically, and the connecting piece is arranged on the shelf.

Preferably, the axis of the connector extends in a left-right direction and the rail extends in a front-rear direction when the shelf is in the first position. Therefore, the shelf is turned back and forth when turned over, and is turned over relative to left and right, so that the operation of a user is facilitated.

One form of the shelf being flipped over the front side of the bowl shelf when the shelf is in the second position, the connector being adjacent the front end of the rail when the shelf is in the first position, and both the shelf and the spray assembly being located between the bowl shelf and the front wall of the interior cavity when the shelf is in the second position. In this case, the shelf is turned forward, because the water supply pipe is generally disposed at the rear of the case, turning the shelf to the front side does not cause overcrowding of the rear of the case, and in addition, turning the shelf to the front side does not affect the user's vision and the tableware placing experience. In this solution, the guide rail extends straight and the connecting piece is located obliquely below the water outlet of the water supply pipe.

One form of the shelf being flipped over the rear side of the bowl shelf when the shelf is in the second position, the connector being adjacent the rear end of the rail when the shelf is in the first position, and both the shelf and the spray assembly being located between the bowl shelf and the rear wall of the interior cavity when the shelf is in the second position. The device is turned backwards, accords with human engineering mechanics, and is operated smoothly.

In the scheme of backward turning of the shelf, one structure of the guide rail is that the height of the connecting piece is consistent with the height of the water outlet, the guide rail comprises a straight section which extends straight and an inclined section which extends obliquely, when the shelf is in a first position, the front end of the inclined section is connected with the rear end of the straight section, the straight section extends along the front-back direction, the inclined section is inclined upwards from front to back, and the connecting piece extends into the inclined section. The guide rail has the structure that the water passing pipe and the water supply pipe cannot interfere when the shelf is overturned.

In the scheme of backward turning of the shelf, the other structure of the guide rail is that the guide rail extends straight and the connecting piece is positioned obliquely below the water outlet of the water supply pipe.

The spray assembly may have a variety of configurations, preferably the spray assembly includes a water conduit for delivering a flow of water and a spray orifice for spraying the water from the water conduit, the water conduit being mounted on the shelf, the water conduit extending horizontally and interfacing and fluidly communicating with the water outlet when the shelf is in a first position, and the water conduit extending vertically and being decoupled and fluidly disconnected from the water outlet when the shelf is in a second position. In the process of overturning the shelf, interference is easy to occur between the water passing pipe and the water supply pipe, and the overturning of the shelf is affected.

Therefore, when the shelf is at the first position, the water passing pipe can move along the front-back direction relative to the shelf, so that the problem that the water passing pipe interferes with the water supply pipe when the shelf is in a switching position state is solved.

Preferably, a positioning piece is arranged on the peripheral wall of the water passing pipe, the positioning piece is provided with a positioning groove extending along the length direction of the water passing pipe, a positioning part restrained in the positioning groove is arranged on the shelf, relative displacement can be generated between the positioning groove and the positioning part, and the positioning part is always positioned in the positioning groove;

Or the shelf is provided with a positioning piece, the positioning piece is provided with a positioning groove extending along the length direction of the water passing pipe, the peripheral wall of the water passing pipe is provided with a positioning part restrained in the positioning groove, relative displacement can be generated between the positioning groove and the positioning part, and the positioning part is always positioned in the positioning groove. The cooperation of the positioning piece and the positioning part enables the water passing pipe to be always connected with the shelf, and the water passing pipe can move relative to the shelf along the length direction of the water passing pipe. The shelf is a hollow structure formed by frame strips, and the positioning part is the frame strips.

In order to enable the water passing pipe to move back and forth relative to the water supply pipe when the water passing pipe interferes with the water supply pipe, the interference of the water passing pipe and the water supply pipe is relieved, a convex part is arranged on the outer side wall of the water supply pipe, a water outlet is arranged on the convex part, the wall surface of the convex part is a first inclined surface inclined backwards from top to bottom, and the wall surface of the water inlet end of the water passing pipe is a second inclined surface which can be matched with the first inclined surface in an inclined way. When the water passing pipe turns downwards from the water outlet, the water passing pipe can move forwards due to the extrusion of the first inclined plane, when the water passing pipe is in a vertical state, the positioning part is propped against the top wall of the positioning groove (the rear end of the water passing pipe in a horizontal state) under the action of gravity, and when the water passing pipe turns upwards towards the water outlet, the water passing pipe can move forwards due to the extrusion of the first inclined plane, so that the water inlet end of the water passing pipe is smoothly butted with the water outlet. The included angle between the first inclined plane and the vertical plane is about 10 degrees, so that when the water passing pipe is overturned, the interference quantity of tan10 degrees is reduced, and the effect of smooth overturning is achieved.

Preferably, the shelf is supported on the bowl shelf when the shelf is in the first position to improve stability of the shelf.

Preferably, the connecting piece is arranged at the top of the bowl rack, and when the shelf is in the first position, the guide rail is supported at the top of the bowl rack, and because the guide rail extends along the front-back direction at this time, the contact area with the bowl rack is large, so that the stability of the shelf is good.

Preferably, the two opposite sides of the shelf are provided with guide rails, and the corresponding two connecting pieces are provided. The bearing force is uniform when the shelf moves, the contact area of the guide rail and the bowl rack is further increased, and the stability of the shelf is improved.

Preferably, the connecting member is located at the top of the bowl shelf, the connecting member being below the highest point of the shelf when the shelf is in the second position. So that there is sufficient space above the shelf to place items when the shelf is in the first position.

Preferably, the cross section of the bowl shelf is square and the connector is positioned adjacent a corner of the bowl shelf to facilitate tipping of the shelf to the side of the bowl shelf.

In the scheme, the spraying assembly comprises a water passing pipe for conveying water flow and spraying holes for spraying out water in the water passing pipe, the water passing pipe is arranged on the shelf, the water passing pipe horizontally extends and is in butt joint and fluid communication with the water outlet when the shelf is in the first position, and the water passing pipe vertically extends and is separated from and fluidly disconnected with the water outlet when the shelf is in the second position.

In order to guide the water passing pipe, the water inlet end of the water passing pipe is aligned with the water outlet, a vertically extending slide way is arranged on the water supply pipe, the water outlet is positioned in the slide way or at the end part of the slide way, and the water inlet end of the water passing pipe can slide along the slide way to guide the water passing pipe so as to improve the accuracy of the communication between the water passing pipe and the water outlet.

Preferably, the slide way is in a horn mouth shape with a reduced diameter along the direction of moving the water passing pipe to the water outlet, so that the water passing pipe can smoothly enter the slide way, and the water passing pipe is positioned relative to the slide way in the left-right direction when the water passing pipe corresponds to the water outlet.

Preferably, two guide blocks are symmetrically arranged on the peripheral wall of the water inlet end of the water passing pipe, guide grooves are formed in the side walls of the slide rail along the length direction of the guide blocks, the guide blocks correspondingly slide along the guide grooves of one guide strip, the width of the guide grooves gradually becomes smaller along the direction that the water passing pipe moves to the water outlet, the guide blocks conveniently enter the guide grooves, and when the water passing pipe corresponds to the water outlet, the guide blocks are positioned relative to the guide grooves in the front-rear direction.

In order to improve the spraying effect on the tableware in the bowl rack, a second spraying piece is arranged in the box body, and the nozzle of the second spraying piece faces the bowl rack.

Preferably, the second spraying piece is located below the bowl rack, a shelving table is arranged at the lower part of the water supply pipe and located above the second spraying piece, when the shelf is located at the second position, the bottom of the water passing pipe is placed on the shelving table, and when the shelf is located at the second position, the water passing pipe is prevented from being located in a vertical state, and interference is generated on rotation of the second spraying piece.

Preferably, the first limiting part is arranged on the shelf, the second limiting part is arranged on the bowl rack, when the shelf is in the second position, the first limiting part is propped against the second limiting part, the shelf is positioned above the second spraying piece, and interference to rotation of the second spraying piece when the shelf is in the second position is prevented.

In the scheme, when the shelf is in the second position, the spraying assembly is positioned on one side of the shelf, which faces the bowl rack, and the structure is compact.

Preferably, when the shelf is in the first position, the vertical projection of the shelf falls within the vertical projection of the bowl rack, and the vertical projection area of the shelf occupies 90% -98% of the vertical projection area of the bowl rack, so that the shelf is large in area and can be used for placing a large number of tableware.

Compared with the prior art, the novel bowl rack has the advantages that 1, the novel bowl rack is provided with the spraying assembly, the spraying assembly can clean tableware on the bowl rack assembly (bowl rack and/or shelf), the cleaning effect of the tableware is improved, 2, when the shelf is in the first position, the spraying assembly is in fluid communication with the water outlet so as to be capable of spraying water to clean the tableware, when the shelf is in the second position, the spraying assembly moves along with the shelf and is in fluid disconnection with the water outlet, namely, the spraying assembly can switch working states along with the state switching of the shelf, is communicated with or disconnected from the water supply pipe, and is not required to be specially switched after the position switching of the shelf, so that the novel bowl rack is convenient to operate.

Drawings

FIG. 1 is a schematic view of embodiment 1 of the present utility model (shelf in a first position);

FIG. 2 is a schematic view of a part of the structure of FIG. 1;

FIG. 3 is an enlarged view at A of FIG. 2;

FIG. 4 is an enlarged view at B of FIG. 2;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a cross-sectional view of another construction of a connector;

FIG. 8 is a cross-sectional view of FIG. 2;

fig. 9 is an enlarged view of fig. 8 at D;

FIG. 10 is a schematic view of the structure of the shelf of FIG. 2;

FIG. 11 is a partial schematic structural view of the water supply pipe of FIG. 2;

FIG. 12 is a schematic view of the structure of FIG. 11 in another direction;

FIG. 13 is a schematic view of the water conduit of FIG. 2;

FIG. 14 is a schematic view of the positional relationship of the bowl shelf assembly and the case of FIG. 1;

fig. 15 is a schematic view of the structure of embodiment 1 of the present utility model (the shelf is in the second position);

FIG. 16 is a partial schematic view of the structure of FIG. 15;

FIG. 17 is a cross-sectional view of FIG. 16;

Fig. 18 is an enlarged view of fig. 17 at E;

FIG. 19 is a schematic view of the structure of the bowl shelf of FIG. 2;

FIG. 20 is a schematic view of the structure of embodiment 2 of the present utility model (the shelf is in the first position);

fig. 21 is a schematic view of the shelf of fig. 20 flipped up from a first position;

FIG. 22 is a schematic view of the shelf from FIG. 21 to a second position;

fig. 23 is a schematic view of the structure of embodiment 2 of the present utility model (the shelf is in the second position);

FIG. 24 is a schematic view of the structure of embodiment 3 of the present utility model (the shelf is in the first position);

fig. 25 is a schematic view of the structure of embodiment 3 of the present utility model (the shelf is in the second position).

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

Example 1

As shown in fig. 1 to 19, the washing machine of the preferred embodiment is used for washing tableware and/or fruits and vegetables, wherein the tableware comprises bowls, dishes, cookware and the like. The cleaning machine comprises a box body 1, a bowl and frame assembly and a water flow system. The case 1 has an inner cavity 10 with an open top or side, the inner cavity 10 of the present embodiment is open at the top, and the inner cavity 10 of the case 1 partially serves as a receiving space.

The bowl and shelf assembly is arranged in the inner cavity 10 of the box body 1, the bowl and shelf assembly comprises a shelf 2 and a bowl and shelf 3, and the bowl and shelf 3 can be placed on the bottom wall of the inner cavity 10 or can be removed from the inner cavity 10. The shelf 2 and the bowl rack 3 of the embodiment not only can be used for placing tableware such as bowls and dishes, but also can be used for placing cookware, fruits and vegetables and the like.

The shelf 2 can be switched between a first position and a second position, as shown in fig. 2, when the shelf 2 is in the first position, the shelf 2 is horizontally positioned above the bowl rack 3, and tableware can be placed on the shelf 2 and the bowl rack 3, and as shown in fig. 16, when the shelf 2 is in the second position, the shelf 2 is vertically stored in a storage space, the storage space is positioned on one side of the bowl rack 3, the shelf 2 does not need to be taken out from the box 1 when not in use, and space for placing the shelf 2 and a spraying assembly is not needed to be prepared outside the box 1.

The shelf 2 can be manually moved to the first position or the second position, no connection relationship exists between the shelf 2 and the bowl rack 3 as well as between the shelf and the box 1, in this embodiment, the cleaning machine further comprises a connecting piece 31 which can be located in the box 1, the shelf 2 is connected with the connecting piece 31, the connecting piece 31 is in a rod shape with an axis extending along the horizontal direction, the shelf 2 can rotate to a horizontal state or a vertical state around the axis of the connecting piece 31, and the shelf 2 can move up and down to one side of the bowl rack 3 or above the bowl rack 3 relative to the connecting piece 31 in the vertical state. That is, the shelf 2 can be rotated to a horizontal state or a vertical state with the connection member 31 as an axis, and the shelf 2 can be moved up and down to one side of the bowl shelf 3 or above the bowl shelf 3 with respect to the connection member 31 in the vertical state.

When the shelf 2 is switched from the first position to the second position, the shelf 2 is firstly rotated upwards to a vertical state, then the shelf 2 is moved downwards until the shelf 2 is positioned beside the bowl rack 3, when the shelf 2 is switched from the second position to the first position, the shelf 2 is firstly moved upwards to the top of the bowl rack 3, and then the shelf 2 is rotated downwards to a horizontal state.

The movable process of the shelf 2 can be seen, the problem of interference and clamping stagnation of components during the switching between the horizontal and vertical directions of the shelf 2 is avoided, the movable process of the shelf 2 can be smoothly carried out, and the top of the inner cavity 10 is open, so that the shelf 2 can be overturned up and down with enough space.

In addition, the turnover form of the shelf 2 can enable the size of the shelf 2 to be larger, even the top opening of the bowl rack 3 can be fully covered, and a large number of tableware can be placed. In this embodiment, when the shelf 2 is in the first position, the vertical projection of the shelf 2 falls within the vertical projection of the bowl rack 3, and the vertical projection area of the shelf 2 occupies 90% -98% of the vertical projection area of the bowl rack 3, so that the shelf 2 has a larger area and can be used for placing a larger number of tableware.

As shown in fig. 2, 5 and 6, the axis of the connecting member 31 extends in the left-right direction, and the shelf 2 is turned back and forth at this time, but of course, the axis of the connecting member 31 may extend in the front-back direction, and the shelf 2 is turned left-right at this time, but is not turned back and forth.

The cleaning machine further comprises a guide rail 24 which can be positioned in the box body 1, one end of the connecting piece 31 extends into the guide rail 24, and when the shelf 2 is in a vertical state, the guide rail 24 vertically extends and is in sliding fit with the connecting piece 31 so as to play a role in guiding the vertical movement of the shelf 2.

In this embodiment, the guide rail 24 is disposed on the shelf 2, an annular frame strip is disposed at the bottom of the shelf 2, and the area inside the frame strip is the guide rail 24, which has a simple structure.

The bowl rack 3 is fixedly provided with the fixing piece 35, and the connecting piece 31 is fixedly arranged on the fixing piece 35, so that the connecting piece 31 is relatively fixedly arranged at the top of the bowl rack 3, and the connecting piece 31 can be fixedly arranged on the side wall 1 of the box body 1.

In addition, a circle of embedding grooves 310 for embedding the guide rail 24 are arranged on the peripheral wall of the connecting piece 31 so as to prevent the guide rail 24 from being separated from the connecting piece 31. As shown in fig. 7, the cross section of the connecting member 31 may be circular, or as shown in fig. 5 and 6, the connecting member 31 includes a shaft 311 and a roller 312 rotatably sleeved on the shaft, and the cross section of the roller 312 is elliptical.

It is of course also possible to provide the guide rail 24 on the bowl shelf 3, in which case the guide rail 24 extends vertically and the connection 31 is mounted on the shelf 2.

The guide rail 24 extends in the front-rear direction when the shelf 2 is in the first position, and the shelf 2 is supported on the bowl shelf 3 to improve stability of the shelf. In this embodiment, the top of the bowl shelf 3 is provided with a supporting part 33, when the shelf 2 is at the first position, the shelf 2 is supported on the supporting part 33, and the supporting part 33 is inclined from bottom to top towards the central part of the bowl shelf 3, and when the shelf 2 is switched from the second position to the first position, the supporting part 33 plays a role in guiding the guide rail 24, so that the shelf 2 is horizontally covered above the bowl shelf 3. The support portion 33 is U-shaped, and both ends thereof are mounted on the bowl frame 3, and the support portion 33 serves as a handle.

This embodiment takes the form of the shelf 2 being flipped back such that the connector 31 is adjacent the rear end of the rail 24 when the shelf 2 is in the first position, such that the shelf 2 is flipped back.

When the shelf 2 is in the second position, the shelf 2 is positioned between the bowl shelf 3 and the rear wall surface of the inner cavity 10, and is turned backwards, so that the operation is more convenient, and in this state, the connecting piece 31 is lower than the highest point of the shelf 2, so that when the shelf 2 is in the first position, enough space is reserved above the shelf 2, and in this state, the connecting piece 31 is positioned at the upper part of the guide rail 24 to prevent the upper part of the shelf 2 from shaking.

The two opposite sides (left and right sides) of the shelf 2 are provided with guide rails 24, and the corresponding two connecting pieces 31 are provided, so that the shelf 2 is uniformly stressed when moving. The shelf 2 and the guide rail 24 together form a U-shaped structure, the ratio of the length l to the height h of the U-shaped structure is between 0.13 and 0.16, the U-shaped structure is thinner, and the occupied space in the thickness direction is small.

The cross section of the bowl shelf 3 is square, and the connecting member 31 is provided adjacent to the corner of the bowl shelf 3 so that the shelf 2 can be turned to the side of the bowl shelf 3.

As shown in fig. 14, a horizontal plane in which the center line of the connector 31 is located is referred to as a horizontal parting line a, a plumb plane in which the center line of the connector 31 is located is referred to as a longitudinal parting line b, a horizontal distance between the longitudinal parting line b and a rear wall surface of the cavity 10 is referred to as L1, a horizontal distance between the longitudinal parting line b and a rearmost portion of the shelf 2 in the first position state is referred to as L2, and a vertical distance between the horizontal parting line a and a highest point of the shelf 2 in the first position state is referred to as L4, L1 is equal to or greater than L4, and L1 is equal to or greater than L2, so that the shelf 2 has a sufficient storage space and installation clearance before and after overturning.

L4/l2= (0.8-1.2), so that the shelf 2 has a large enough area for placing objects when in the first position.

As shown in fig. 10, the corners of the shelf 2 may be provided with ribs 27 that are partially arched upwards, and a limiting opening 271 for limiting tableware is formed between the ribs 27 and the shelf 2, so that the ribs 27 can abut against the outer peripheral wall of the pot body for some tableware, such as the pot edge of the pot body of the pot, to be buckled in the limiting opening 271. In this case, as shown in fig. 14, the straight line distance between the center line of the connector 31 and the rearmost portion of the shelf 2 in the first position state is referred to as L3, and L1 is equal to or greater than L3, so that the rib 27 is prevented from interfering with the case 1 when the shelf 2 is turned over.

Under the condition that the height H of the inner cavity 10 of the box body 1 is fixed, in order to improve the space utilization rate of the inner cavity 10 of the box body 1, large-set cleaning is realized, and the height L5 of the bowl rack 3 is L4/L5 less than or equal to 0.25.

The height of the inner cavity 10 is H which is more than or equal to 50% and less than or equal to L5/H which is less than or equal to 80%, a space is reserved for the shelf 2 and articles placed on the shelf 2, and the height of (L4+L5)/H which is more than or equal to 60% and less than or equal to 90% is reserved above the shelf 2 when the shelf 2 is in the first position, so that a space can be reserved for accommodating some tableware or fruits and vegetables with the height exceeding L4.

In this embodiment, as shown in fig. 19, the top opening of the bowl shelf 3 is formed into a first opening 301, and the side opening of the bowl shelf 3 is formed into a second opening 302, however, the side of the bowl shelf 3 may not be provided with the second opening 302, and the shelf 2 extends horizontally and covers the first opening 301 when the shelf 2 is in the first position, and the shelf 2 extends vertically and covers the second opening 302 when the shelf 2 is in the second position.

In this description, the bowl and rack assembly of the present embodiment can be used not only in a washing machine but also in other home appliances such as a sterilizer.

As shown in fig. 8 and 9, the water flow system includes a water supply pipe 4 and a spray assembly, and the water supply pipe 4 is provided with a water outlet 41, in this embodiment, the water supply pipe 4 is wholly located in the inner cavity 10 of the box 1 and located at the rear part thereof, and the water supply pipe 4 may also be partially located outside the box 1, but the water outlet 41 is located in the inner cavity 10 of the box 1. The water flow system further comprises a water pumping mechanism for supplying water to the water supply pipe 4, and the water pumping mechanism can adopt the existing structure.

The spray assembly is connected to the shelf 2 and is movable with the shelf 2, the spray assembly being in fluid communication with the water outlet 41 when the shelf 2 is in the first position and the spray assembly being in fluid disconnection from the water outlet 41 when the shelf 2 is in the second position.

The spray assembly comprises a water pipe 22 for conveying water flow and spray holes for spraying the water in the water pipe 22, wherein the spray holes are formed in the water pipe 22, or the spray assembly further comprises a first spray piece 21 in fluid communication with the water pipe 22, and the spray holes are formed in the first spray piece 21.

The first spraying member 21 of this embodiment is strip-shaped, and the extending direction is the same as that of the water passing pipe 22, as shown in fig. 17, the bowl frame 3 is provided with an avoiding opening 301 for avoiding the spraying assembly, when the shelf 2 is at the second position, the spraying assembly downwards passes through the avoiding opening 301, the shelf 2 and the guide rail 24 integrally form a U-shaped structure, the spraying assembly is located in a U-shaped region of the U-shaped structure, and the bowl frame 3 is partially surrounded by the U-shaped region.

The spray holes of the present embodiment are directed toward the shelf 2 to clean the items on the shelf 2. Of course, the spray holes may also be directed towards the bowl shelf 3, or part of the spray holes may be directed towards the shelf 2 and part of the spray holes may be directed towards the bowl shelf 3.

The water pipe 22 is mounted on the shelf 2, i.e. the shelf 2 also serves as a mounting member for the water pipe 22, the direction of extension of the mounting member being identical to the direction of extension of the water pipe 22.

As shown in fig. 2 and 8, when the shelf 2 is in the first position, the water passing pipe 22 horizontally extends, and the water passing pipe 22 is in butt joint and fluid communication with the water outlet 41, and as shown in fig. 16 and 17, when the shelf 2 is in the second position, the water passing pipe 22 vertically extends, and the water passing pipe 22 is separated from and fluidly disconnected from the water outlet 41, the shelf 2 and the spray assembly of the water flow system are both positioned between the bowl rack 3 and the rear wall surface of the inner cavity 10, namely, the shelf 2 and the spray assembly are both positioned at the rear of the inner cavity 10 and the rear side of the bowl rack 3, and the spray assembly is positioned at the side of the shelf 2 facing the bowl rack 3.

In this embodiment, the guide rail 24 extends straight, and the connecting member 31 is located obliquely below the water outlet 41 of the water supply pipe 4. In the process of overturning the shelf 2, interference is easy to occur between the water passing pipe 22 and the water supplying pipe 4, and the overturning of the shelf 2 is affected. To solve this problem, the water passing pipe 22 can be moved in the front-rear direction with respect to the shelf 2 when the shelf 2 is in the first position.

As shown in fig. 3, a positioning member 221 is disposed on the outer peripheral wall of the water passing pipe 22, the positioning member 221 has a positioning groove 222 extending along the length direction of the water passing pipe 22, the shelf 2 is provided with a positioning portion 25 constrained in the positioning groove 222, relative displacement can be generated between the positioning groove 222 and the positioning portion 25, and the positioning portion 25 is always located in the positioning groove 222. The cooperation of the positioning piece 221 and the positioning part 25 enables the water passing pipe 22 to be always connected with the shelf 2, and the water passing pipe 22 can move relative to the shelf 2 along the length direction. The shelf 2 is a hollow structure formed by frame strips, and the positioning part 25 is the frame strip.

Of course, the shelf 2 may be provided with a positioning member 221, the positioning member 221 may have a positioning groove 222 extending along the longitudinal direction of the water pipe 22, the outer peripheral wall of the water pipe 22 may be provided with a positioning portion 25 restrained in the positioning groove 222, the positioning groove 222 and the positioning portion 25 may be relatively displaced, and the positioning portion 25 may be always located in the positioning groove 222.

As shown in fig. 9, the front side wall of the water supply pipe 4 is provided with a convex portion 42, the water outlet 41 is provided on the convex portion 42, the wall surface of the convex portion 42 is a first inclined surface 421 inclined backward from top to bottom, and the wall surface of the water inlet end of the water passing pipe 22 is a second inclined surface 223 capable of being inclined to be matched with the first inclined surface 421. When the water passing pipe 22 is turned downwards from the water outlet 41, the water passing pipe 22 moves forwards due to the extrusion of the first inclined plane 421, the positioning part 25 is propped against the top wall (the rear end when the water passing pipe 22 is in the horizontal state) of the positioning groove 222 under the action of gravity when the water passing pipe 22 is in the vertical state, and when the water passing pipe 22 is turned upwards towards the water outlet 41, the water passing pipe 22 moves forwards due to the extrusion of the first inclined plane 421, so that the water inlet end of the water passing pipe 22 is smoothly butted with the water outlet 41. The included angle between the first inclined plane 421 and the vertical plane is about 10 degrees, so that when the water passing pipe 22 is turned over, the interference amount of tan10 degrees is reduced, and the effect of smooth turning over is achieved.

Regarding the connection between the shelf 2 and the water passing pipe 22, in this embodiment, the positioning member 221 is disposed near the water outlet end of the water passing pipe 22, so that when the shelf 2 is in the first position, the water inlet end of the water passing pipe 22 is easy to sag under the action of gravity because of no positioning, and the alignment and communication between the water inlet end of the water passing pipe 22 and the water outlet 41 are affected, so that the shelf 2 has a rest portion 20, as shown in fig. 4, and when the water passing pipe 22 corresponds to the water outlet 41, the portion of the water passing pipe 22 adjacent to the water inlet end rests on the rest portion 20, so that the water passing pipe 22 is positioned in the up-down direction.

The water supply pipe 4 is provided with a vertically extending slide way 43, the water outlet 41 is positioned in the slide way 43 or at the end part of the slide way 43, and the water inlet end of the water pipe 22 can slide along the slide way 43 to guide the water pipe 22 so as to improve the accuracy of the communication between the water pipe 22 and the water outlet 41.

The sliding way 43 is in a bell mouth shape with a reduced diameter along the direction that the water passing pipe 22 moves to the water outlet 41, in this embodiment, the sliding way 43 is reduced in size from bottom to top in the left-right direction, so that the water passing pipe 22 can smoothly enter the sliding way 43, and when the water passing pipe 22 corresponds to the water outlet 41, the water passing pipe 22 is positioned relative to the sliding way 43 in the left-right direction.

In this embodiment, as shown in fig. 11 to 13, two vertically extending guide strips 44 are symmetrically disposed on the left and right sides of the water outlet 41, the region between the two guide strips 44 is a slideway 43, and each guide strip 44 is inclined towards the water outlet 41 along the direction of moving the water pipe 22 to the water outlet 41 to form a horn-shaped slideway 43. Each guide strip 44 comprises a downstream section 441 and an upstream section 442 which are sequentially arranged and connected along the direction of moving the water pipe 22 to the water outlet 41, the inclination angle of the downstream section 441 is larger than that of the upstream section 442, and the dimension of the lower part of the slideway 43 in the left-right direction is further improved, so that the water pipe 22 can conveniently enter the slideway 43.

Two guide blocks 224 are symmetrically arranged on the peripheral wall of the water inlet end of the water passing pipe 22, guide grooves 443 are formed in the side wall of the slideway 43 (namely, the guide strips 44) along the length direction of the guide blocks 224 correspondingly slide along the guide grooves 443 of one guide strip 44, the width of the guide grooves 443 is gradually reduced along the direction that the water passing pipe 22 moves to the water outlet 41, the guide blocks 224 can conveniently enter the guide grooves 443, and when the water passing pipe 22 corresponds to the water outlet 41, the guide blocks 224 are positioned relative to the guide grooves 443 in the front-back direction.

The guide block 224 of the present embodiment is V-shaped and includes a first portion 2241 and a second portion 2242, and an included angle between the first portion 2241 and the second portion 2242 is an obtuse angle, so that the positioning effect with the guide slot 443 is good.

As shown in fig. 17 and 18, the second spraying member 32 is provided in the case 1, and the second spraying member 32 may be of a conventional spraying arm structure, and may rotate in the case 1 about its axis, with the spout of the second spraying member 32 facing the bowl frame 3.

The second spray piece 32 is located below the bowl rack 3, a rest 45 is arranged at the lower part of the water supply pipe 4, the rest 45 is located above the second spray piece 32, when the shelf 2 is located at the second position, the bottom of the water passing pipe 22 is placed on the rest 45, and when the shelf 2 is located at the second position, the water passing pipe 22 is prevented from being located in a vertical state, and interference is generated on rotation of the second spray piece 32.

The first limiting part 26 is arranged on the shelf 2, the second limiting part 34 is arranged on the bowl rack 3, when the shelf 2 is positioned at the second position, the first limiting part 26 is propped against the second limiting part 34, the shelf 2 is positioned above the second spraying piece 32, and interference to rotation of the second spraying piece 32 when the shelf 2 is positioned at the second position is prevented. The bowl rack 3 is a hollow structure formed by a plurality of ribs, and the second limiting part 34 is one rib of the bowl rack 3.

As shown in fig. 11 and 12, the water outlet 41 may be inclined or horizontal, and the water outlet 41 of this embodiment is inclined at an angle of about 25 ° to the horizontal.

When the shelf 2 is in the second position, the water outlet 41 may be in a closed state, where the closed state means that water cannot flow out of the water outlet 41, or in an open state, where water can flow out of the water outlet 41.

In other words, the water outlet 41 has two working states, in the first working state, the water inlet end of the water pipe 22 is in butt joint communication with the water outlet 41 of the water supply pipe 4, namely, the water outlet 41 is communicated with the spraying assembly and is used for conveying water, the water sprayed by the spraying assembly cleans objects in the cleaning machine, in the second working state, the water inlet end of the water pipe 22 is separated from the water outlet 41 of the water supply pipe 4, namely, the water outlet 41 is disconnected from the spraying assembly, the water outlet 41 is used as a nozzle to spray objects in the cleaning machine, namely, the water outlet 41 can still supply water and flow out, and at the moment, the water outlet 41 is used as the nozzle to spray objects in the cleaning machine, because the orientation of the water outlet 41 is fixed after manufacturing is completed, and local enhanced cleaning can be performed on objects in specific parts.

The water inlet end of the water pipe 22 is in butt joint communication with the water outlet 41 of the water supply pipe 4 in the horizontal direction, and the water inlet end of the water pipe 22 may be in butt joint communication with the water outlet 41 of the water supply pipe 4 in the vertical direction.

Because the spraying holes of the spraying assembly of the embodiment face the shelf 2, the shelf 2 is positioned on the water spraying path of the spraying assembly when the water outlet 41 is in the first working state, the bowl rack 3 is positioned on the water flow path of the water outlet 41 when the water outlet 41 is in the second working state, the water outlet 41 sprays from top to bottom, and the second spraying piece 32 sprays from bottom to top, so that the washing effect of the bowl rack 3 is good when the two spraying pieces are matched.

When the shelf 2 is in the first position, the shelf is in a cleaning state, the spray assembly is communicated with the water outlet 41 to enable the water outlet 41 to be in a first working state, and when the shelf 2 is in the second position, the shelf is in a non-cleaning state, and the spray assembly is disconnected with the water outlet 41 to enable the water outlet 41 to be in a second working state.

The water outlet 41 is provided therein with a partition rib 411 to partition the water outlet 41 into a plurality of water outlet holes 412. Different water outlet holes 412 wash different areas of the bowl rack 3, and at least two water outlet holes 412 have different orientations.

In this description, the spraying assembly is not the only part capable of spraying water to the shelf 2, the water outlet 41 is not the only part capable of spraying water to the bowl rack 3, and multiple spraying structures can be adopted to match for cleaning.

As can be seen from the above, the shelf 2, whether in the first or second position, both the shelf 2 and the spray assembly are located within the interior cavity 10 of the cabinet 1.

Example 2

This embodiment differs from embodiment 1 in that the structure of the guide rail 24 is different, and other reference is made to embodiment 1.

As shown in fig. 20 to 23, the height of the connecting member 31 is identical to the height of the water outlet 41, the guide rail 24 includes a straight section 241 extending straight and an inclined section 242 extending obliquely, when the shelf 2 is in the first position, the front end of the inclined section 242 is connected to the rear end of the straight section 241, the straight section 241 extends in the front-rear direction, the inclined section 242 is inclined upward from front to rear, and the connecting member 31 extends into the inclined section 242. In this way, the guide rail 24 is configured so that the water pipe 22 and the water supply pipe 4 do not interfere with each other when the shelf 2 is turned over.

Example 3

As shown in fig. 24 and 25, this embodiment differs from embodiment 1 in that:

1. the embodiment adopts a form that the shelf 2 is turned forwards:

When the shelf 2 is in the first position, the connecting piece 31 is adjacent to the front end of the guide rail 24, and when the shelf 2 is in the second position, the shelf 2 and the spray assembly are both positioned between the bowl shelf 3 and the front wall surface of the inner cavity 10, i.e. the shelf 2 and the spray assembly are both positioned at the front part of the inner cavity 10 and the front side of the bowl shelf 3. In this case, the shelf 2 is turned forward, because the water supply pipe 4 is generally provided at the rear of the cabinet 1 to turn the shelf 2 to the front side, the rear of the cabinet 1 is not too crowded, and in addition, the shelf 2 is turned to the front side, the vision of the user and the tableware placing experience are not affected. In this case, the guide rail 24 extends straight, the connecting member 31 is positioned obliquely below the water outlet 41 of the water supply pipe 4, and the shelf 2 is turned forward without the interference of the water supply pipe 4 with the water supply pipe 22.

2. The shelf 2 of the present embodiment is not supported on the supporting portion 33, but the guide rail 24 is supported on the top of the bowl shelf 3 when the shelf 2 is in the first position, so that the shelf 2 is supported on the bowl shelf 3, the guide rail 24 extends in the front-rear direction, and the contact area with the bowl shelf 3 is large, so that the stability of the shelf 2 is good.

The term "horizontal" as used herein includes that the parts extend straight in the horizontal direction, that is, the two ends of the parts are on the same horizontal plane, but is not limited to this direction, as long as the direction of extension of the whole part is in the horizontal direction, such as the whole part extends in the front-rear or left-right direction, but the two ends of the parts are not on the same horizontal plane.

Similarly, "vertical" includes a component that extends straight in a vertical direction, i.e., both ends of the component are on the same plumb face, but is not limited to this direction, so long as the direction of extension of the component as a whole is in a vertical direction, i.e., the component as a whole extends in an up-down direction, but both ends of the component are not on the same plumb face.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "horizontal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (33)

1. A cleaning machine comprises

The box body (1) is provided with an inner cavity (10) with an open top or side part, and the inner cavity (10) of the box body (1) is partially used as a storage space;

the bowl rack assembly is arranged in an inner cavity (10) of the box body (1), the bowl rack assembly comprises a shelf (2) and a bowl rack (3), the shelf (2) can be switched between a first position and a second position, when the shelf (2) is positioned at the first position, the shelf (2) is positioned above the bowl rack (3), and when the shelf (2) is positioned at the second position, the shelf (2) is accommodated in the accommodating space;

Characterized in that it also comprises

A water supply pipe (4) provided with a water outlet (41);

The spraying assembly is connected with the shelf (2) and can move along with the shelf (2), when the shelf (2) is in a first position, the spraying assembly is in fluid communication with the water outlet (41), and when the shelf (2) is in a second position, the spraying assembly is in fluid disconnection with the water outlet (41).

2. The washing machine according to claim 1, characterized in that the shelf (2) is placed horizontally above the bowl rack (3) when the shelf (2) is in the first position, and the shelf (2) is vertically received in the receiving space when the shelf (2) is in the second position.

3. The washing machine according to claim 1, characterized in that the receiving space is located at one side of the bowl rack (3).

4. The washing machine according to claim 2, further comprising a connecting member (31) which can be located in the case (1), wherein the rack (2) is connected to the connecting member (31), wherein the rack (2) can be rotated to a horizontal state or a vertical state, and wherein the rack (2) can be moved to one side of the bowl rack (3) or above the bowl rack (3) in the vertical state in the up-down direction.

5. The washing machine as claimed in claim 4, wherein the connecting member (31) has a rod shape with an axis extending in a horizontal direction, the shelf (2) is rotatable about the axis of the connecting member (31) to a horizontal state or a vertical state, and the shelf (2) is movable up and down to one side of the bowl rack (3) or above the bowl rack (3) with respect to the connecting member (31) in the vertical state.

6. The washing machine according to claim 5, wherein the axis of the connecting member (31) extends in the left-right direction, or the axis of the connecting member (31) extends in the front-rear direction.

7. The cleaning machine according to claim 6, further comprising a guide rail (24) which can be located in the cabinet (1), wherein one end of the connecting member (31) extends into the guide rail (24), and wherein the guide rail (24) extends vertically and is slidably engaged with the connecting member (31) when the shelf (2) is in a vertical state.

8. The washing machine as claimed in claim 7, characterized in that the guide rail (24) is provided on the shelf (2), the connecting piece (31) being mounted relatively fixedly on the casing (1) or on the bowl rack (3), the guide rail (24) extending horizontally when the shelf (2) is in the first position.

9. The washing machine according to claim 7, characterized in that the guide rail (24) is provided on the bowl rack (3) and extends vertically, and the connecting piece (31) is mounted on the shelf (2).

10. The washing machine according to claim 8, characterized in that the axis of the connecting piece (31) extends in the left-right direction, and the guide rail (24) extends in the front-rear direction when the shelf (2) is in the first position.

11. The washing machine according to claim 10, characterized in that the connecting piece (31) is adjacent to the front end of the guide rail (24) when the shelf (2) is in the first position, and that both the shelf (2) and the spray assembly are located between the bowl shelf (3) and the front wall of the inner cavity (10) when the shelf (2) is in the second position.

12. The cleaning machine according to claim 11, characterized in that the guide rail (24) extends straight and the connecting piece (31) is located obliquely below the water outlet (41) of the water supply pipe (4).

13. The machine of claim 10, wherein the connector (31) is adjacent the rear end of the rail (24) when the shelf (2) is in the first position, and wherein the shelf (2) and the spray assembly are both located between the bowl shelf (3) and the rear wall of the interior chamber (10) when the shelf (2) is in the second position.

14. The washing machine according to claim 13, characterized in that the connecting piece (31) is located at a height identical to that of the water outlet (41), the guide rail (24) comprises a straight section (241) extending straight and an inclined section (242) extending obliquely, the front end of the inclined section (242) is connected with the rear end of the straight section (241) when the shelf (2) is in the first position, the straight section (241) extends in the front-rear direction, the inclined section (242) is inclined upward from front to rear, and the connecting piece (31) extends into the inclined section (242).

15. The machine according to claim 13, characterized in that the guide rail (24) extends straight and the connecting piece (31) is located obliquely below the water outlet (41) of the water supply pipe (4).

16. The washer of claim 15, wherein the spray assembly comprises a water pipe (22) for delivering a water flow and a spray hole for spraying water from the water pipe (22), the water pipe (22) is mounted on the shelf (2), the water pipe (22) extends horizontally and the water pipe (22) is in abutting and fluid communication with the water outlet (41) when the shelf (2) is in a first position, the water pipe (22) extends vertically and the water pipe (22) is out of and fluid communication with the water outlet (41) when the shelf (2) is in a second position.

17. The washing machine according to claim 16, characterized in that the water passing pipe (22) is movable in a front-rear direction with respect to the shelf (2) when the shelf (2) is in the first position.

18. The cleaning machine according to claim 17, wherein a positioning piece (221) is arranged on the peripheral wall of the water passing pipe (22), the positioning piece (221) is provided with a positioning groove (222) extending along the length direction of the water passing pipe (22), the shelf (2) is provided with a positioning part (25) restrained in the positioning groove (222), the positioning groove (222) and the positioning part (25) can generate relative displacement, and the positioning part (25) is always positioned in the positioning groove (222);

Or be equipped with setting element (221) on shelf (2), setting element (221) have along water constant head tank (222) that the length direction of pipe (22) extends, be equipped with on the periphery wall of pipe (22) of crossing water location portion (25) in constant head tank (222), can produce relative displacement between constant head tank (222) and constant head tank (25), and constant head tank (222) are located all the time.

19. The cleaning machine according to claim 17, wherein the front side wall of the water supply pipe (4) is provided with a convex part (42), the water outlet (41) is arranged on the convex part (42), the wall surface of the convex part (42) is a first inclined surface (421) inclined backwards from top to bottom, and the wall surface of the water inlet end of the water supply pipe (22) is a second inclined surface (223) which can be matched with the first inclined surface (421) in an inclined manner.

20. The washing machine according to claim 8, characterized in that the rack (2) is supported on the bowl rack (3) when the rack (2) is in the first position.

21. The washing machine according to claim 20, characterized in that the connecting piece (31) is provided on top of the bowl rack (3), the guide rail (24) being supported on top of the bowl rack (3) when the shelf (2) is in the first position.

22. The machine according to claim 21, characterized in that said rails (24) are provided on opposite sides of said shelf (2), and in correspondence, said connectors (31) are provided in two.

23. The washing machine according to claim 5, characterized in that the connecting piece (31) is located at the top of the bowl rack (3), said connecting piece (31) being lower than the highest point of the rack (2) when the rack (2) is in the second position.

24. The washing machine as claimed in claim 5, characterized in that the cross section of the bowl rack (3) is square, and the connecting piece (31) is arranged adjacent to a corner of the bowl rack (3).

25. The washer of any one of claims 1-14, 20-23, wherein the spray assembly comprises a water pipe (22) for delivering water and a spray hole for spraying water from the water pipe (22), the water pipe (22) is mounted on the shelf (2), the water pipe (22) extends horizontally and the water pipe (22) is in abutting and fluid communication with the water outlet (41) when the shelf (2) is in a first position, the water pipe (22) extends vertically and the water pipe (22) is out of and fluid communication with the water outlet (41) when the shelf (2) is in a second position.

26. The cleaning machine according to claim 25, wherein the water supply pipe (4) is provided with a vertically extending slide (43), the water outlet (41) is positioned in the slide (43) or at the end of the slide (43), and the water inlet end of the water supply pipe (22) can slide along the slide (43).

27. The washing machine according to claim 26, wherein the slide (43) has a bell mouth shape that is reduced in diameter in a direction along which the water passing pipe (22) moves to the water outlet (41), and the water passing pipe (22) is positioned in the left-right direction with respect to the slide (43) when the water passing pipe (22) corresponds to the water outlet (41).

28. The washing machine according to claim 26, wherein two guide blocks (224) are symmetrically arranged on the outer peripheral wall of the water inlet end of the water passing pipe (22), guide grooves (443) are formed in the side walls of the slide ways (43) along the length direction of the guide blocks, the guide blocks (224) correspondingly slide along the guide grooves (443) of one guide strip (44), the width of the guide grooves (443) is gradually reduced along the direction that the water passing pipe (22) moves to the water outlet (41), and when the water passing pipe (22) corresponds to the water outlet (41), the guide blocks (224) are positioned relative to the guide grooves (443) in the front-back direction.

29. The cleaning machine according to claim 25, wherein a second spraying member (32) is arranged in the box body (1), and the nozzle of the second spraying member (32) faces the bowl frame (3).

30. The washing machine according to claim 29, characterized in that the second spraying member (32) is located below the bowl rack (3), a rest (45) is provided at the lower part of the water supply pipe (4), the rest (45) is located above the second spraying member (32), and the bottom of the water passing pipe (22) rests on the rest (45) when the shelf (2) is in the second position.

31. The cleaning machine according to claim 29, wherein the shelf (2) is provided with a first limiting part (26), the bowl rack (3) is provided with a second limiting part (34), the first limiting part (26) is pressed against the second limiting part (34) when the shelf (2) is in the second position, and the shelf (2) is positioned above the second spraying piece (32).

32. The washing machine according to claim 25, characterized in that the spray assembly is located on the side of the shelf (2) facing the bowl shelf (3) when the shelf (2) is in the second position.

33. The washing machine according to any one of claims 1 to 24, characterized in that when the shelf (2) is in the first position, the vertical projection of the shelf (2) falls within the vertical projection of the bowl rack (3), and the vertical projection area of the shelf (2) occupies 90% -98% of the vertical projection area of the bowl rack (3).