CN110680255A

CN110680255A - Dish washing machine

Info

Publication number: CN110680255A
Application number: CN201810724413.2A
Authority: CN
Inventors: 王金铜; 程宝珍; 杨林
Original assignee: Qingdao Haier Dishwasher Co Ltd
Current assignee: Qingdao Haier Dishwasher Co Ltd
Priority date: 2018-07-04
Filing date: 2018-07-04
Publication date: 2020-01-14
Anticipated expiration: 2038-07-04
Also published as: CN110680255B

Abstract

The invention discloses a dish washing machine, which comprises a shell, wherein the shell is provided with an access hole, an access door capable of opening/closing the access hole and a limiting device which is rotatably arranged between the access hole and the access door; the limiting device is provided with a limiting clamping portion, and the limiting clamping portion is enabled to be respectively limited with the edge limiting clamping of the access door and the access hole by rotating the limiting device after the access door is closed. The rotatable limiting device is used for limiting the access hole and the closed access door, the access door can be limited to be opened towards one side and a preset notch can be sealed, meanwhile, the limiting clamping part of the limiting device can automatically fall to the lower side under the action of gravity, the access door is fixed in a state that the access door cannot be opened, and the access door can be kept in a closed state constantly when not used, so that the sealing of the cavity of the base is ensured, and the equipment damage caused by the fact that foreign matters enter the cavity of the base is prevented.

Description

Dish washing machine

Technical Field

The invention belongs to the field of dish-washing machine equipment, and particularly relates to a dish-washing machine.

Background

The dish washer is used for automatically cleaning tableware such as dish, chopsticks, dish, knife and fork, and can be divided into two types of box type and conveying type according to the structure. It reduces the labor intensity for the cooking personnel in dining room, hotel and dining room of office, improves the working efficiency and promotes the cleanness and sanitation. At present, various small dishwashers are on the market, and are gradually entering ordinary households.

The drain pump of the existing dish washing machine is arranged below the base, the drain pump is very easy to block in the using process, the dish washing machine is required to be detached during maintenance, the bottom surface of the dish washing machine can be turned over to be completed, the inconvenience of maintenance is caused, and particularly, some dish washing machines which are installed in a cupboard like a wall-embedded mode are more troublesome when relevant maintenance is carried out. The problem of service can be solved if a corresponding observation window or service hole is provided for the dishwasher, but a new problem can be brought about. Since the dishwasher requires the cooperation of water, electricity and the like during use, the internal electrical components must be kept well isolated from the outside at all times. Therefore, it is particularly desirable to provide a simple and automatic self-landing position-limiting device for a dishwasher to ensure timely closing of the access door. Meanwhile, in view of the manufacturing requirement, the limiting device does not increase too many installation parts as much as possible, so that the limiting device with simple structure is designed for the access door of the dishwasher.

Meanwhile, for the hollow base, the strength of the whole base can be damaged by increasing the access hole, so that the pressure-bearing and torsion-resisting capability of the base is reduced, and the shell is easy to deform in the carrying or transporting process of the dishwasher. At the same time, special fixing and protecting facilities need to be arranged for the access door in the process of carrying or transporting, so as to avoid damage caused by the movement of the access door.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a dish washing machine, wherein a rotatable limiting device is used for limiting an access hole and the closed access door, the access door can be limited to be opened towards one side and a preset notch can be sealed, and meanwhile, a limiting clamping part of the limiting device can automatically fall to the lower side under the action of gravity to fix the access door in a state that the access door cannot be opened, so that the access door can be kept in a closed state constantly when not used, the sealing of a base accommodating cavity is ensured, and the equipment damage caused by the fact that foreign matters enter the accommodating cavity of the base is prevented.

In order to realize the purpose, the invention adopts the following technical scheme:

a dish washer comprises a shell, wherein the shell is provided with an access hole, an access door capable of opening/closing the access hole and a limiting device rotatably arranged between the access hole and the access door; the limiting device is provided with a limiting clamping portion, and the limiting clamping portion is enabled to be respectively limited with the edge limiting clamping of the access door and the access hole by rotating the limiting device after the access door is closed.

Furthermore, spacing joint portion has the draw-in groove of extending along its side circumference, and the access door is closed the back, rotates stop device makes the edge and the access door of access hole insert respectively the draw-in groove realizes dismantling of the edge and the access door of access hole and is connected to realize the spacing of access door.

Furthermore, the limiting clamping portion comprises a base plate and a cover plate which are arranged in parallel, a gap is reserved between the base plate and the cover plate, and the gap forms the clamping groove.

Furthermore, the base plate and the shroud plate are both provided with convex arc-shaped outlines, and the edges of the base plate side and the shroud plate side of the clamping groove are both convex arc-shaped edges;

preferably, the substrate side arc edge of the clamping groove and the shroud plate side arc edge are concentrically arranged.

Furthermore, the area of the substrate is different from the area of the shroud plate;

preferably, the area of the superstrate is less than the area of the substrate.

Furthermore, the base plate is a circular plate, the cover plate is an arched plate which is tiled on the base plate and is concentrically arranged with the circular plate, and the clamping groove is positioned between the arc edge of the base plate and the arc edge of the arched plate; the limiting device can rotate around an axis which is perpendicular to the substrate and passes through the circle center of the substrate;

preferably, the radian of the arc edge of the arched plate is greater than that of a semicircle;

preferably, the limiting device is detachably connected with the edge of the access opening, and after the access door is closed, the limiting device is rotated until the part of the edge of the access door enters the clamping groove, so that the clamping groove is clamped with the access door, and the limiting of the limiting device on the access door is realized; when the limiting device rotates to the position where the access door exits from the clamping groove, the limiting device is used for relieving the limitation of the access door.

Furthermore, the edge of the access hole is provided with an inwards concave arc-shaped notch, and a clamping groove of the limiting clamping part is clamped with the arc-shaped notch, so that the limiting device is detachably connected with the edge of the access hole;

preferably, the access door is provided with an inwards concave arc-shaped notch matched with the arc-shaped notch, and the area of the notch formed by the edge of the access opening and the arc-shaped notch of the access door is smaller than that of the substrate when the access door is closed.

Further, the center of gravity of the limiting device is outside the axis when the limiting device rotates;

preferably, the access door is provided with a connecting edge which is rotatably connected with the access opening, and the access door rotates around the connecting edge so as to realize the opening/closing of the access door; the connecting edge is arranged in the vertical direction.

Furthermore, the base plate of the limiting device is located close to the shell, the shroud plate is located far away from the shell, and a handle connected with the shroud plate is arranged on the outer surface of the shroud plate.

Further, the dish washer includes the base, access hole and access door set up on the base, hollow appearance chamber has in the base, it is provided with the drain pump to hold the intracavity, the access hole sets up on the side of base, and with the corresponding position of drain pump.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

the invention arranges the access hole and the access door matched with the access hole on the dishwasher, so that when the maintainer or the user needs to overhaul the components in the shell of the dishwasher, the maintenance can be realized without carrying the dishwasher or dismantling the dishwasher. The access door of the invention is arranged on the side surface of the front surface of the base of the dish washing machine, and is particularly suitable for the access of the drain pump of the dish washing machine with the drain pump arranged in the base.

In order to meet the limiting requirement after the access door is closed, the limiting device is arranged between the access opening and the access door, and the access door is limited by clamping the edge of the access opening and the access door through the clamping groove on the limiting device. The limiting device does not need to install any other redundant parts on the access door or the access hole, has simple structure and very high reliability. According to the invention, the base plate and the cover plate are arranged to be concentric but have different areas, and the clamping groove formed between the base plate and the cover plate forms the limiting clamping part of the limiting device, so that the different areas of the base plate and the cover plate are ingeniously utilized, different connection relations between the clamping groove and the access door and the access opening when the limiting device rotates to different angles are realized, and the switching between the limiting of the access door and the limiting releasing is realized.

The edge of the clamping groove is arc-shaped, so that the requirement of smooth rotation of the limiting device can be met, and the limiting device can freely rotate under the condition of no action until the limiting device automatically rotates to a static balance state. And because the base plate is circular shape panel, the shroud plate for tile on the base plate with circular panel concentric set up be greater than semicircular arcuate panel, stop device's focus is outside the axis when stop device rotates, consequently when stop device can be under the inoperative condition rotation to static equilibrium state, just rotate the draw-in groove to the limit position with access door and access hole edge difference joint, make the access door can obtain in good time close spacingly.

According to the invention, the limit of the access door can be conveniently released only by rotating the limit device to enable the access door to exit from the clamping groove, and a user can conveniently open the access door. The edge of the access hole and/or the access door are/is provided with a circular arc-shaped notch for placing the access device, so that the limiting device can freely rotate in the notch. Meanwhile, the area of the notch is smaller than that of the substrate, so that the substrate can be ensured to shield the notch no matter the limiting device rotates to any angle under the condition that the access door is closed, the protection requirement of electrical equipment in the dish-washing machine is met, and external water or foreign matters and the like are prevented from falling into the containing cavity of the base of the dish-washing machine.

According to the invention, the base plate is positioned close to the shell, and the shroud plate is positioned far away from the shell, so that the access door can be prevented from being opened towards the inner direction of the dish-washing machine under the action of the limiting device when the limiting device is positioned at the limit releasing position, and the damage to internal equipment caused by the fact that the access door is opened inwards is avoided.

Meanwhile, connecting ribs for connecting the access door and the access hole are arranged between the access door and the access hole, so that the overall strength of the shell is ensured, and the dishwasher is not easy to deform in the carrying or transporting process. The connecting rib is broken off during maintenance, the limiting device of the access door is opened, the access door can be opened, maintenance work can be conveniently maintained, and the operation process is simple and efficient.

The connecting ribs are arranged on the edges of the access door, which are connected with and/or opposite to the connecting edges, so that the access door can be effectively fixed, and the access door is prevented from rotating around the connecting edges. The dishwasher can provide necessary fixation for the access door without arranging special fixing or protecting facilities for the access door in the carrying or transporting process, avoids the damage caused by the movement of the access door, and reduces the using amount of protective materials in the transporting process of the access door. The connecting rib and the access door are integrally formed, and the processing process is simple.

The access door is integrally positioned in the access opening when being closed, the access door is flush with the outer surface of the shell, and the connecting ribs also ensure that the access door does not protrude out of the outer surface of the shell, so that the integral packaging of the dish washing machine is facilitated, and the damage caused by the protrusion of the access door or the connecting ribs in the carrying process is reduced.

The connecting ribs are moderate in width and thickness, so that the strength of the shell and the connection requirement of the access door are guaranteed, a user can break the access door conveniently and easily before opening the access door, and the limit fixation of the connecting ribs on the access door is released.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of a dishwasher in which a base is mounted with a stopper according to the present invention;

FIG. 2 is a schematic view of a spacing device of a dishwasher according to the present invention;

FIG. 3 is a schematic view of the structure of a base of a dishwasher according to the present invention;

fig. 4 is a partially enlarged schematic view of an access door of the dishwasher base of fig. 3.

In the figure: 1. an access door; 11. a connecting edge; 12. the door handle is overhauled; 13. a mating edge; 14. a fitting portion; 2. connecting ribs; 3. an access hole; 31. the edge of the access opening; 32. an access hole is provided with a circular arc notch; 4. a limiting device; 41. a limiting clamping part; 42. a card slot; 43. covering a plate; 44. a substrate; 45. a handle; 5. a cavity; 6. a housing.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "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.

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; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the present invention discloses a dishwasher, comprising a housing 6, wherein the housing 6 is provided with an access opening 3, an access door 1 capable of opening/closing the access opening 3, and a limiting device 4 rotatably arranged between the two; stop device 4 has spacing joint portion 41, makes spacing joint portion 41 respectively with access door 1, the spacing joint realization access door 1 of the marginal 31 of access hole after closing spacing through rotating stop device 4. The rotatable limiting device is used for limiting the access hole and the closed access door, the access door can be limited to be opened towards one side and a preset notch can be sealed, meanwhile, the limiting clamping part of the limiting device can automatically fall to the lower side under the action of gravity, the access door is fixed in a state that the access door cannot be opened, and the access door can be kept in a closed state constantly when not used, so that the sealing of the cavity of the base is ensured, and the equipment damage caused by the fact that foreign matters enter the cavity of the base is prevented.

Example 1

As shown in fig. 1 to 4, the present embodiment discloses a dishwasher. The bottom of the dish washing machine in the embodiment is provided with the base, a hollow cavity 5 is arranged in a shell 6 of the base, the drainage pump is arranged in the cavity 5, and the drainage pump is easy to block in the using process. In the past, the dish washer must be detached for maintenance and turned upside down, which is more troublesome if the dish washer is wall-mounted in a cabinet. As shown in the figure, in the embodiment, an access opening 3 and an access door 1 matched with the access opening are arranged on a shell 6 of the base, and the access opening 3 and the access door 1 are arranged on the side surface of the base at the position corresponding to the drainage pump. Preferably, as shown in fig. 1, in order to further facilitate the user's inspection of the drain pump in this embodiment, an access opening 3 and an access door 1 of the dishwasher are provided on a side of the base located on the front of the dishwasher.

In order to meet the limit requirement after the access door is closed, the limit device 4 is rotatably arranged between the access door 1 and the access opening 3 in the embodiment. A gap is arranged between the access door 1 and the access opening 3, the limiting device 4 is detachably assembled in the gap, and the limiting device 4 can rotate in the gap. As shown in fig. 2, the limiting device 4 has a limiting clamping portion 41, and the limiting clamping portion 41 is clamped with the edge 31 of the access door 1 and the access opening respectively in a limiting manner by rotating the limiting device 4 to realize the limiting after the access door is closed.

As shown in fig. 1 and 2, the limit click portion 41 has a click groove 42 extending circumferentially along a side surface thereof. The size of the notch just meets the requirement that when the access door is closed, the edge of the notch can be clamped into the clamping groove 42 of the limiting device, so that the clamping groove 42 plays a limiting role. Particularly, after access door 1 closed, rotate stop device 4 makes the edge 31 and the access door 1 of access hole insert respectively draw-in groove 42 realizes dismantling of the edge 31 and the access door 1 of access hole and is connected to realize access door 1's spacing.

Further, as shown in fig. 2, the limiting clamping portion 41 includes a base plate 44 and a cover plate 43 that are parallel to each other, and a gap is left between the base plate 44 and the cover plate 43, and the gap forms the clamping groove 42. The edge of the clamping groove can be set into various shapes, for example, in some embodiments, the edge of the clamping groove can be set into a polygon, so that the limiting device has an operation position which is not more than the number of the sides of the polygon, and the limiting device can change the position of the limiting clamping part under the action of force. The setting up advantage of polygon edge draw-in groove like this lies in that stop device position is clear accurate, but its drawback is also very obvious, if do not have under the effect of external force after just closing as the access door, stop device can't rotate by oneself and make the spacing stop position of access door, can only exert the effort by the user initiative and just can accomplish spacing operation, consequently unsatisfied the access door of dish washer in time close spacing requirement.

In this implementation, the outer edge of the limiting device is set to be circular arc. As shown in fig. 2, the base plate 44 and the shroud plate 43 both have convex arc-shaped outlines, the edges of the base plate side and the shroud plate side of the card slot 42 are convex arc-shaped edges, and the base plate side arc-shaped edge and the shroud plate side arc-shaped edge of the card slot 42 are concentrically arranged. Therefore, when the limiting device rotates, the limiting device is stable and does not shake, overlarge impact on the access door cannot be generated, and the motion synchronization ensures that the limiting action is accurate.

In other embodiments, the substrate-side arc edge and the shroud-side arc edge of the slot 42 may not be concentrically arranged, and the requirement of stability and no shaking can be satisfied when the limiting device rotates by adjusting the gravity centers of the substrate and the shroud.

As shown in fig. 2, the area of the base plate 44 is different from the area of the web 43; preferably, the area of the cover plate 43 is smaller than the area of the base plate 44. The base plate 44 is designed as a circular plate, and the cover plate 43 is an arched plate laid on the base plate 44 and arranged concentrically with the circular plate. The clamping groove 42 is positioned between the arc edge of the base plate 44 and the arc edge of the arched plate of the shroud plate 43; the limiting device 4 can rotate around an axis which is perpendicular to the base plate 44 and passes through the circle center of the base plate 44. The radian of the arc edge of the arched plate is larger than that of a semicircle. The area of the shroud plate is different from that of the base plate, and as shown in fig. 2, the shroud plate is flatly laid on one side of the base plate, so that the clamping grooves are only arranged on the partial outer edges of the limiting devices, which are close to the outer edges of the shroud plate and the base plate. When the limiting device is rotated to the position where the covering plate does not cover the base plate, particularly when the limiting device is rotated to the position where the chord of the arched plate of the covering plate is parallel to the edge of the access door, the edge of the access door or the edge of the access opening is automatically rotated out of the clamping groove, so that the limitation on the access door is relieved. Therefore, when the limiting device is installed, any other redundant parts do not need to be installed on the access door or the access hole, the structure is simple, and the reliability is very high.

In this embodiment, the limiting device 4 is first detachably connected to the edge 31 of the service opening. After the access door 1 is closed, the limiting device 4 is rotated until the edge of the access door 1 enters the clamping groove 42, so that the clamping groove 42 is clamped with the access door 1, and the limiting of the limiting device 4 on the access door 1 is realized; when the limiting device 4 rotates to the position that the access door 1 exits from the clamping groove 42, the limiting device 4 is used for limiting the access door 1.

In order to meet the requirements of installation and rotation of the limiting device, the edge 31 of the access opening in the embodiment is provided with an inwards concave arc-shaped notch 32 of the access opening, and the clamping groove 42 of the limiting clamping portion 41 is clamped with the arc-shaped notch 32 of the access opening to realize detachable connection of the limiting device 4 and the edge 31 of the access opening. If the limiting device only needs to rotate for a certain angle, the arc notch only needs to meet the requirement of the stroke of the rotation of the matched part for limiting the rotation, and the use requirement can be met only by partial arc.

In this embodiment, in order to improve the user experience, the access door 1 is also provided with an inward concave arc-shaped notch matching with the access opening arc-shaped notch 32. Such setting can satisfy stop device free rotation's requirement between access door and access hole. The center of gravity of the limiting device 4 of the invention is outside the axis when the limiting device 4 rotates. Make stop device 4 can be under the inoperative condition when rotation to static equilibrium state, just rotate draw-in groove 42 to the limiting position with the marginal 31 difference joint of access door 1 and access hole, make access door 1 can obtain closing spacingly in good time.

And when the access door is closed, the gap area formed by the edge 31 of the access opening and the circular arc gap of the access door 1 is smaller than the area of the base plate 44. As shown in figure 1, the arrangement ensures that the substrate can be ensured to shield the gap no matter the limiting device rotates to any angle under the condition that the access door is closed, the protection requirement of the electric equipment in the dishwasher is met, and external water or foreign matters and the like are prevented from falling into the containing cavity of the base of the dishwasher.

As shown in fig. 4, the access door 1 has a connecting edge 11 rotatably connected to the access opening 3, and the access door 1 rotates around the connecting edge 11, so that the access door 1 is opened/closed; the connecting edge 11 is arranged in the vertical direction. That is to say that the rotation axis of access door in this embodiment is in vertical direction, consequently only need with on the access door with connect the relative vertical limit in limit fixed with the access hole of limit, just can satisfy the spacing when the access door closes. Therefore, as shown in fig. 1, when the limiting device 4 can rotate to a static balance state under the non-action condition, the clamping groove 42 rotates to the bottom and is respectively clamped with the access door 1 and the edge 31 of the access hole, and the purpose of timely limiting after the access door is closed is realized.

As shown in fig. 1 to 4, the base plate 44 of the limiting device 4 is located near the housing 6, and the cover plate 43 is located far away from the housing 6, so that when the limiting device 4 is located at the limit releasing position, the access door 1 can be prevented from being opened towards the inside of the dishwasher, thereby avoiding damage to internal equipment due to opening of the access door 1. In order to make it easier for the user to turn the stop means, the present invention further provides a handle 45 attached to the outer surface of the web 43.

Example 2

As shown in fig. 1 to 4, an object of the present invention is to provide a dishwasher. As shown in figure 2, the invention arranges a connecting rib 2 for connecting the access door 1 and the access opening 3, and the connecting rib 2 is arranged when the dishwasher is delivered from the factory, so as to ensure the fixation of the access door 1 relative to the access opening 3 in the transportation process of the dishwasher. When the dish washer needs to be overhauled for the first time, the connecting ribs are broken off, and the limiting fixation of the connecting ribs on the access door is removed.

The connecting rib arranged on the access door of the dishwasher can be connected when the access door is closed or can be connected when the access door is opened according to the practical application condition. However, in any connection rib setting mode, as long as the initial motion state of the access door needs to be changed, the connection rib needs to be disconnected first, and the limit of the access door by the connection rib is released, so that further operation can be performed.

As shown in fig. 1 and 4, the access door 1 has a connecting edge 11 rotatably connected to the housing 6, and the connecting rib 2 is provided on an edge of the access door 1 that is adjacent to and/or opposite to the connecting edge 11. The access door structure of the present invention may be configured to be integrally formed with the base and to be attached to the connecting edge 11 with the housing 6. The part on this connection limit is fixed by the parcel of the parcel limit in the casing outside by the welding, and the part in the parcel limit is connected the limit and is bordured down and have the space, can be in parcel limit internal rotation, consequently the access door in this embodiment need not additionally increase the rotation axis to manufacturing cost and the processing degree of difficulty have been reduced.

As shown in the figure, in order to make the access door switch more free, a gap is formed between the access door 1 and the housing 6, one end of the connecting rib 2 is connected with the access door 1, and the other end penetrates through the gap to be connected with the access opening 3. In this embodiment, the connection part of the connecting rib 2 and the access door 1 is located at the outer edge of the access door and is integrally formed with the access door. The gap between the access door 1 and the shell 6 is positioned between the edge of the access door and the inner wall of the access opening, when the access door is closed, the whole access door is positioned in the access opening, and the access door is flush with the outer surface of the shell; the connecting rib is connected with the access hole on the inner wall of the access hole. The access door and the outer surface of the shell are parallel and level, and meanwhile, the connecting ribs also ensure that the connecting ribs do not protrude out of the outer surface of the shell, so that the whole packaging of the dish washing machine is facilitated, and the damage caused by the protruding access door or the protruding connecting ribs in the carrying process is reduced.

The number of the connecting ribs in the embodiment is multiple, and the spacing width between adjacent connecting ribs is larger than the width of the connecting ribs; preferably, the thickness of the connecting rib is not greater than the thickness of the access door. Both guaranteed the connection needs of casing intensity and access door, can also make the user break off with the fingers and thumb conveniently easily before opening the access door simultaneously.

As shown in fig. 1 and 2, the dishwasher further includes a stopper 4 rotatably provided between the access door 1 and the access opening 3. Stop device 4 has spacing joint portion 41, makes spacing joint portion 41 respectively with the marginal 31 spacing joint of access door 1, access hole through rotating stop device 4, realizes the disconnection the access door behind the splice bar is closed spacing.

As shown in fig. 1 and 2, the limit locking portion 41 has a locking groove 42 extending circumferentially along a side surface thereof. After access door 1 closed, rotate stop device 4 makes the edge 31 and the access door 1 of access hole insert respectively draw-in groove 42 realizes dismantling of the edge 31 and the access door 1 of access hole and is connected to realize access door 1's spacing.

Stop device 4 is when access door 1 is spacing after access door 1 closes, access door 1 inserts the part of draw-in groove 42 is cooperation portion, on access door 1's the outer fringe the limit at cooperation portion place is cooperation limit 13, splice bar 2 sets up on access door 1 with cooperation limit 13 meets and/or relative edge. In this embodiment, since the connecting edge and the mating edge are exactly opposite to each other, the connecting rib in this embodiment is disposed on the upper and lower sides of the connecting edge.

As shown in fig. 1 to 4, the access door 1 is provided with a circular arc-shaped access door handle 12, which is convenient for users to control and avoid the users from being scratched by sharp corners due to the circular arc-shaped end part, and meanwhile, the handle occupies a small space and can realize the demolding production together with the base.

The above embodiments may be implemented individually or in combination. Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A dish washing machine is characterized by comprising a shell, wherein the shell is provided with an access hole, an access door capable of opening/closing the access hole and a limiting device rotatably arranged between the access hole and the access door; the limiting device is provided with a limiting clamping portion, and the limiting clamping portion is enabled to be respectively limited with the edge limiting clamping of the access door and the access hole by rotating the limiting device after the access door is closed.

2. The dishwasher of claim 1, wherein the limit clamping part is provided with a clamping groove circumferentially extending along the side surface of the limit clamping part, and after the access door is closed, the limit device is rotated to enable the edge of the access hole and the access door to be respectively inserted into the clamping groove, so that the edge of the access hole and the access door can be detachably connected, and the limit of the access door can be realized.

3. The dishwasher of claim 2, wherein the limit catch part comprises a base plate and a shroud plate which are arranged in parallel, and a gap is left between the base plate and the shroud plate, and the gap forms the catch groove.

4. The dishwasher of claim 3, wherein the base plate and the shroud plate both have convex arc profiles, and edges of the base plate side and the shroud plate side of the slot are convex arc edges;

5. The dishwasher of claim 4, wherein the area of the base plate and the area of the superstrate are different;

preferably, the area of the superstrate is less than the area of the substrate.

6. The dishwasher of claim 5, wherein the base plate is a circular plate, the shroud plate is an arcuate plate laid flat on the base plate and disposed concentrically with the circular plate, and the slot is located between the arc edge of the base plate and the arc edge of the arcuate plate; the limiting device can rotate around an axis which is perpendicular to the substrate and passes through the circle center of the substrate;

7. The dishwasher of claim 2, wherein the edge of the access opening is provided with an inward-concave arc-shaped notch, and a clamping groove of the limiting clamping part is clamped with the arc-shaped notch to realize the detachable connection of the limiting device and the edge of the access opening;

8. The dishwasher of any one of claims 1 to 6, wherein the center of gravity of the spacing device is outside the axis of rotation of the spacing device;

9. The dishwasher of claim 3, wherein the base of the spacing means is located adjacent the housing and the shroud is located away from the housing, and a handle is provided on an outer surface of the shroud.

10. The dishwasher according to any one of claims 1 to 9, comprising a base, wherein the access opening and the access door are arranged on the base, the base has a hollow cavity therein, a drain pump is arranged in the cavity, and the access opening is arranged on a side surface of the base and at a position corresponding to the drain pump.