CN113279221A

CN113279221A - Washing machine upper cover and washing machine

Info

Publication number: CN113279221A
Application number: CN202110402926.3A
Authority: CN
Inventors: 李文明; 韩珊珊; 刘让雷; 赵成龙
Original assignee: Haier Smart Home Co Ltd; Chongqing Haier Front Loading Washing Machine Co Ltd
Current assignee: Haier Smart Home Co Ltd; Chongqing Haier Front Loading Washing Machine Co Ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-08-20
Also published as: JP2024517392A; WO2022218055A1

Abstract

The invention provides an upper cover of a washing machine, wherein the rear end of the upper cover is provided with a hinge seat protruding outwards, the hinge seat is provided with a plurality of water inlets which are communicated up and down, and the peripheries of the water inlets are provided with retaining ribs higher than the water inlets. According to the invention, the water diversion port of the upper cover of the washing machine is provided with the blocking rib, so that water flow flowing into the hinge seat can be converged at the water diversion port, and meanwhile, the water flow is prevented from splashing into the washing machine to damage internal elements of the washing machine. Meanwhile, the invention also discloses a washing machine provided with the washing machine upper cover.

Description

Washing machine upper cover and washing machine

Technical Field

The invention belongs to the field of household appliances, and particularly relates to an upper cover of a washing machine and the washing machine.

Background

The microswitch arranged on the washing machine aims to ensure that a detection signal is quickly transmitted to the washing machine controller and the washing machine is controlled to stop rotating when a user suddenly opens the washing machine cover or the water containing barrel to run with large eccentricity in the washing process of the washing machine, particularly in the dehydration process, so that the damage of the water containing barrel rotating at high speed to the user or the impact on the washing machine box body when the water containing barrel rotates with large eccentricity is avoided.

In order to save cost, the existing washing machine generally uses the opening and closing of the microswitch to identify the opening and closing of the upper cover, but the microswitch has the remarkable defects that: because the cooperation between upper cover and the dish seat is movable, consequently can have great clearance between the two to micro-gap switch is direct contact upper cover, and micro-gap switch's sheetmetal is direct exposed outside simultaneously, consequently when having water to pour into the clearance between upper cover and the dish seat and open and shut the upper cover, water probably contacts micro-gap switch's sheetmetal, has the potential safety hazard.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide the upper cover of the washing machine and the washing machine, so that water between the gap of the upper cover and the tray seat is prevented from contacting a metal sheet of the microswitch, the overflow protection effect on the microswitch is realized, the service life of the microswitch is prolonged, and the product quality of the washing machine is ensured.

In order to solve the technical problems, the invention adopts the technical scheme that:

the utility model provides a washing machine upper cover, the rear end of upper cover is equipped with outside convex articulated seat, a plurality of diversion mouths that link up from top to bottom are seted up to the articulated seat, and the periphery of diversion mouth is equipped with the fender muscle that is higher than the diversion mouth.

Furthermore, the blocking rib protrudes and extends upwards to form a water diversion cavity with an upward opening.

Furthermore, one side of the water diversion chamber is provided with a vertical rib extending up and down, the lower end of the vertical rib is provided with a horizontally bent hem, and the highest position of the vertical rib is higher than the blocking rib;

preferably, the vertical ribs and the blocking ribs are arranged in a clinging manner;

further preferably, the vertical ribs and the blocking ribs are integrally formed.

Furthermore, the upper plane of the folded edge is provided with a plurality of grooves for water to pass through.

Further, be equipped with many downwardly extending diversion channels along the inner wall of inlet, the diversion channel extends to the hem tip along erecting the muscle.

Furthermore, the water guide grooves on the lower plane of the folded edge and the grooves on the upper plane of the folded edge are arranged in a staggered manner.

Further, the hinged seat comprises a circular arc-shaped hinged head, and the hinged head is provided with a mounting hole.

The invention also discloses a washing machine, wherein a tray seat is arranged at the upper end of the washing machine, the washing machine is provided with the washing machine upper cover, the upper cover is arranged in the tray seat of the washing machine through a hinge seat, a microswitch is arranged in the tray seat, one end of the microswitch is fixed on the hinge seat, and the other end of the microswitch is fixed in the tray seat.

Furthermore, the hinged seat is provided with a mounting hole, the disc seat is provided with a protruding shaft, and the protruding shaft is inserted into the mounting hole to enable the upper cover to be turned over and opened in the disc seat.

Furthermore, the washing machine is provided with an installation plate, a through hole is formed in the installation plate, and a plurality of insertion parts are correspondingly and convexly arranged at one end of the upper cover;

preferably, the maximum width of the cross section of the insertion part is larger than the aperture of the through hole, so that the insertion part is in interference fit in the through hole.

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

1. the water diversion port of the upper cover of the washing machine is provided with the blocking rib, so that water flowing into the hinged seat can be converged at the water diversion port, and meanwhile, the water can be prevented from splashing into the washing machine to damage internal elements of the washing machine.

2. Through set up fender muscle and erect muscle isotructure on articulated seat, avoid micro-gap switch and steam contact to rust, make micro-gap switch contact failure to guarantee washing machine's product quality.

3. According to the invention, the vertical ribs are arranged on the hinge seat, so that water can be guided to flow vertically, and the water is further prevented from flowing into the microswitch.

4. According to the invention, the groove is added on the folded edge of the vertical rib and the contact surface of the micro switch, so that the depth of the groove is improved as much as possible on the premise of ensuring the strength, and if a user makes water flow into the contact surface of the upper cover and the micro switch through abnormal operation, the water can directly flow into the inner barrel of the washing machine along the groove and can not contact the micro switch.

Meanwhile, the invention has simple structure and obvious effect and is suitable for popularization and use.

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 diagram of an exploded structure between an upper cover and a tray in an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is a schematic diagram of an exploded structure between an upper cover and a tray at different angles according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 2 in accordance with an embodiment of the present invention;

FIG. 5 is a schematic diagram of an exploded structure of an upper cover in an embodiment of the present invention;

fig. 6 is a partially enlarged schematic view of fig. 4 in the embodiment of the present invention.

Description of the main elements: 100. an upper cover; 200. a tray seat; 1. a microswitch; 2. a hinged seat; 3. a water diversion port; 4. blocking ribs; 5. erecting ribs; 6. folding edges; 7. a groove; 8. a water outlet; 9. a water diversion groove; 10. a hinge joint; 11. mounting holes; 12. a protruding shaft; 13. mounting a plate; 14. a plug-in part; 15. a water diversion chamber.

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

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.

Example one

As shown in fig. 1 to 6, in the embodiment of the present invention, a washing machine upper cover is installed on a tray 200 of a washing machine, a micro switch 1 is installed in the tray 200 of the washing machine and is engaged with a hinge end of an upper cover 100, the hinge end is further installed with a hinge base 2 of an overflow protection micro switch 1, and the hinge base 2 is installed above the micro switch 1. Because the micro switch 1 is exposed outside and is easy to rust when encountering water, the hinged seat 2 capable of overflowing to protect the micro switch 1 is arranged at the hinged end of the upper cover 100 and the tray seat 200, so that the service life of the washing machine is prolonged.

In the embodiment of the present invention, the rear end of the upper cover 100 is provided with a hinge base 2 protruding outward, and preferably, the hinge base 2 is integrally formed with the upper cover 100. Articulated seat 2 is last to be provided with a plurality of diversion mouths 3 that link up from top to bottom, diversion mouth 3 is equipped with all around to be higher than diversion mouth 3 and keeps off muscle 4.

As shown in fig. 4, by providing the vertically penetrating water guide port 3 in the hinge base 2, when water enters the gap between the upper cover 100 and the tray base 200, water flows into the inner tub of the washing machine along the water inlet 3 without contacting the metal sheet of the micro switch 1, and at the same time, the periphery of the water inlet 3 is provided with a blocking rib 4 higher than the water inlet 3, preferably, the blocking rib 4 and the hinged seat 2 are integrally molded, meanwhile, the blocking ribs 4 protrude and extend upwards to form the water diversion cavity 15 with an upward opening in a surrounding manner, so that water flow can be converged to the water diversion port 3, the water flow can be prevented from splashing everywhere, in addition, in the embodiment of the present invention, one side of the priming chamber 15 has no side wall, and is provided with a notch, preferably, the notch is opened at the left side, the purpose that sets up like this is in order to prevent that rivers are too much, and the inlet drainage is untimely, can be through not having the interior bucket of inflow of lateral wall one end.

As shown in fig. 2 to 6, in the embodiment of the present invention, a vertical rib 5 extending vertically is disposed on one side of the water guide chamber 15, the vertical rib 5 is disposed opposite to the upper cover 100, a highest position of the vertical rib 5 is higher than a position of the blocking rib 4, a folded edge 6 horizontally bent away from the direction of the blocking rib 4 is disposed at a lower end of the vertical rib 5, and by disposing the vertical rib 5 extending vertically, water can flow to the lower end along the direction of the vertical rib 5 and flow to the inner tub of the washing machine along the folded edge 6. The highest end of the vertical rib 5 is higher than the blocking rib 4, so that water flow which is ready to flow into the contact surface of the microswitch 1 and the blocking rib 4 can be effectively blocked. Preferably, the vertical ribs 5 are closely attached to the blocking ribs 4; further preferably, the vertical rib 5 and the stopper rib 4 are integrally formed. The blocking ribs 4 and the vertical ribs 5 are integrally formed, so that the upper cover 100 can be opened conveniently, batch production can be realized, the cost is reduced, and meanwhile, the hinge base 2 can be suitable for more upper covers 100 of the washing machine.

In the embodiment of the invention, the upper plane of the folding edge 6 is provided with a plurality of grooves 7 for water to pass through, and the grooves 7 are arranged on the folding edge 6, so that when a user operates abnormally, water flows into the folding edge 6, and the water can flow into the inner barrel along the grooves.

In the embodiment of the invention, a plurality of water guide grooves 9 extending downwards are arranged along the inner wall of the water guide port 3, the lower end of the water guide port 3 is provided with a water outlet 8, and the water guide grooves 9 extend to the end parts of the folding edges 6 along the vertical ribs 5. Through setting up many diversion channels 9 in delivery port 8 department, can make the rivers from delivery port 3 department flow to the washing machine bucket along diversion channel 9 in through delivery port 8 department, simultaneously, diversion channel 9 extends to the tip of hem 6 always, and when upper cover 100 was opened, diversion channel 9 on the hem 6 was just in time vertical state, can make remaining water on articulated seat 2 flow down along the diversion channel 9 of hem 6 is vertical.

As shown in fig. 6, in the embodiment of the present invention, the water guiding groove 9 extends from the water outlet 8 to the end of the folded edge 6, the side wall of the water guiding groove 9 at the water outlet 8 becomes narrower gradually, which is similar to a triangle, when water flows in from the water inlet 3 at the upper end and flows out from the water outlet 8, the water pressure is higher, and the water flow will splash, by the above arrangement, the peripheral wall can prevent more water flow from splashing around, and simultaneously, the water guiding function is also provided, so that the water flow flows into the inner tub of the washing machine along the water guiding groove 9 in the peripheral wall, and the water guiding groove 9 on the lower plane of the folded edge 6 and the groove 7 on the upper plane of the folded edge 6 are arranged in a staggered manner.

In the embodiment of the invention, the hinge base 2 is further provided with a hinge head 10, and the hinge head 10 is partially arc-shaped and is integrally formed with the hinge base 2. The hinge joint 10 is provided with a mounting hole 11, the disc seat 200 is provided with a protruding shaft 12, and the protruding shaft 12 is inserted into the mounting hole 11, so that the upper cover 100 can be turned over and opened in the disc seat 200.

Through set up mounting hole 11 on articulated joint 10, make things convenient for the assembly between upper cover 100 and the disk seat 200, make things convenient for the dismantlement and the maintenance in later stage.

Example two

In the present embodiment, a washing machine is described, which is equipped with a washing machine upper cover 100 described in the above embodiments, and the washing machine includes a tray 200, and the upper cover 100 is rotatably connected to the tray 200 by a hinge.

The hinge connection is specifically configured such that the disc base 200 is provided with a damper having a protruding shaft 12, the upper cover 100 has an integrally formed hinge base having a horizontal mounting hole 11, and the protruding shaft 12 is inserted into the mounting hole 11 to form a rotatable hinge connection structure.

Because the pleasing to the eye requirement of upper cover 100, each connection structure that exposes all has structures such as lid or callus on the sole to decorate, the attenuator has attenuator lid fixed mounting on upper cover 100, and the screw junction has the callus on the sole, can form the shockproof structure of buffering between upper cover 100 and disk seat 200, can play waterproof effect to the screw again to have pleasing to the eye effect.

The micro switch 1 is fixedly arranged in the tray seat 200, the micro switch 1 is arranged at the lower end of the hinged seat 2, and one end of the micro switch 1 is in contact with the hinged seat 2, so that the micro switch 1 can be prevented from being rusted due to contact with water vapor, poor contact of the micro switch 1 is avoided, and the quality of the washing machine is ensured; the pressure lever in the micro-gap switch 1 is connected with the upper cover 100 outside the micro-gap switch 1 through being clamped in the groove, the groove can be used as a pivot to move, the connection mode is simple, the pressure lever is clamped in different grooves, the stroke of the micro-gap switch 1 can be correspondingly changed, namely, the rotation angle of the pressure lever using the connected groove as the pivot is changed along with the rotation angle, and therefore the stroke of the micro-gap switch 1 is adjustable.

The micro switch 1 may be disposed in the washing machine control panel base 200 and engaged with the hinge end of the upper cover 100, and the force end of the pressing rod is overlapped on the hinge base 2, so that when the upper cover 100 is switched, the upper cover 100 releases or presses the pressing rod to make the movable contact point and the stationary contact point contact or separate.

In the embodiment of the invention, one end of the microswitch 1 is fixed on the folded edge 6, the other end of the microswitch 1 is fixed in the disc seat 200, a groove 7 for water flow to pass through is arranged on the contact surface of the microswitch 1 and the folded edge 6, the peripheral wall of the groove 7 is arranged as much as possible, and the groove 7 is arranged, so that the water flow can flow downwards along the vertical rib 5 and flow into a designated inner barrel of the washing machine along the groove 7, and the water flow can be effectively prevented from contacting with the microswitch 1. In addition, a certain gap is arranged between the microswitch 1 and the vertical rib 5, so that water flow can flow to the folded edge 6 along the vertical rib 5.

When there is rivers in the gap between upper cover 100 and the dish seat 200, flow into the washing machine bucket along erecting muscle 5 through leading water mouth 3 at first, avoid rivers and micro-gap switch 1's contact, simultaneously, if the user makes water flow into the contact surface of articulated seat 2 and micro-gap switch 1 through improper operation, water can flow directly to the washing machine bucket along micro-gap switch 1 and the recess 7 between articulated seat 2 and can not contact micro-gap switch 1 this moment.

In the embodiment of the invention, the water diversion port is arranged on the hinged seat, so that water can be guided into the inner barrel to prevent water flow from contacting the micro switch, the blocking ribs are arranged on the periphery of the water diversion port to prevent water flow from contacting the micro switch, and the arrangement can play a role in overflow protection on the micro switch.

In the embodiment of the invention, the washing machine comprises a box body, the box body comprises an installation plate 13 installed at a clothes feeding opening, a plurality of through holes are formed in the surface of the installation plate 13, each insertion part 14 at one end of the upper cover 100 is respectively inserted into the through holes, and the rear end of the upper cover 100 is connected with the disc seat 200 through the hinge seat 2.

In the above solution, the insertion parts 14 at the front end of the upper cover 100 are inserted into the through holes of the mounting plate 13, the rear end of the upper cover 100 is inserted into the disk seat 200, so that the upper cover 100 rotates, and finally the disk seat 200 is integrally assembled on the box body. When a user needs to open the upper cover 100, the mounting plate can be turned upwards around the insertion part, the upper cover is in a half-open state at the moment, and when the user needs to open the whole upper cover, the user only needs to continue to open the upper cover 100 upwards.

In the embodiment of the present invention, the disk seat 200 has an accommodating groove for accommodating the display module and/or the control module, and when the display module is placed in the accommodating groove, the display panel of the display module is combined with the cover plate, and a display area is formed at a corresponding position of the cover plate; similarly, after the control module is placed in the accommodating groove, the control panel of the display module is combined with the upper cover 100 to form a control area corresponding to the upper cover 100.

In the assembling process, after the display control module is placed in the accommodating groove, in order to prevent the display control module from falling off or shifting, the display control module needs to be fixed in the accommodating groove so as to facilitate the subsequent assembling process.

The disk seat 200 has a receiving groove for placing and fixing the display control module, and one side of the receiving groove is provided with a wire outlet so that the display control module is electrically connected with the computer board and other structures. A line clip is provided outside the outlet for fixing a wire and the like to prevent the wire from moving inside the upper cover 100 and causing a circuit failure due to abrasion of the wire.

Since the upper cover 100 needs to be connected with the disc seat 200, the disc seat 200 is further provided with an avoiding portion of a connecting part, the disc seat 200 has a damper mounting portion and a hinge seat avoiding portion, the damper can be fixed on the disc seat 200 through a screw, and since the damper needs to be rotatably connected with the hinge seat mounted on the upper cover 100, the disc seat 200 is provided with the hinge seat avoiding portion for avoiding the hinge seat so that the hinge structure can normally rotate.

In the embodiment of the present invention, the display control module is an energized device, the washing machine has washing water inside, and the upper cover 100 has a water inlet risk because it is located at the upper part of the inner tub, so that a waterproof structure should be provided at a corresponding position of the upper cover 100 to ensure that the normal function of the display control module is not damaged.

Be provided with the sealing washer between upper cover 100 and dish seat 200 and set up the frame department at the observation window, seal structure passes through waterproof material, blocks the washing water that can get into outside the holding tank, prevents that it from getting into the display control module, the sealing washer ends respectively after upper cover 100 and dish seat 200 assemble and supports on upper cover 100 and dish seat 200 for the holding tank forms waterproof space. The seal ring may be a rubber seal ring.

Be provided with first sealing washer recess around the holding tank, after first sealing washer is put into to first sealing washer recess, through upper cover 100 and the fixed back of plate seat 200 assembled connection, the sealing washer is extrudeed by plate seat 200 and upper cover 100 to form seal structure, keep apart the outside washing water of holding tank, prevent that it from getting into power module.

In the embodiment of the present invention, the connection structure of the upper cover 100 and the disk seat 200 is an insertion connection structure, the upper cover 100 has a mounting hole 11, the disk seat 200 has a protruding shaft 12, and the protruding shaft 12 and the disk seat 200 are integrally arranged; or the upper cover 100 has a protruding shaft 12 integrally provided and the tray 200 has a mounting hole 11.

Since the protruding shaft 12 and the disc base 200 are integrally provided, the disc base 200 itself can form a connection structure without an additional connection member, which reduces the assembly steps and the overall cost.

The protruding shaft 12 is provided with a protrusion in the circumferential direction of the top, the edge of the protrusion is provided with a limit position on which an inclined plane can slide into the mounting hole 11, and correspondingly, the front end of the mounting hole 11 is also provided with an inclined plane to facilitate the protrusion to be inserted into the limit mounting hole 11.

The upper cover 100 may have a viewing function in addition to the integrated display and control function. A general upper cover 100 of the washing machine is made of a transparent material, and a user can view the washing machine through the upper cover 100.

As shown in fig. 5, in the embodiment of the present invention, a mounting plate 13 is disposed on the front side of an upper cover 100, a through hole is disposed on the mounting plate 13, a plurality of inserting portions 14 are correspondingly and convexly disposed at one end of the upper cover 100, and a maximum width of a cross section of each inserting portion 14 is greater than a hole diameter of the through hole so as to be in interference fit with the through hole.

In the above solution, the inserting portion 14 is a horizontally protruding column structure, and the inserting portion 14 is inserted into the through hole of the mounting plate 13 by interference fit, so that the inserting portions 14 at one end of the upper cover 100 are respectively inserted into the through holes on the mounting upper cover 100, and the mounting plate 13 and the upper cover 100 are mounted in the tray 200 together to seal the opening of the tray 200. The through hole cuts the inserting part 14 to form a cutting groove, so that the position of the upper cover 100 is more effectively limited, and the problems that the upper cover 100 is displaced and the assembly clearance between the upper cover 100 and the mounting plate 13 is increased in the transportation or falling process, so that the product is not fine and good and the user experience is influenced are solved.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiment, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiment without departing from the scope of the present invention.

Claims

1. The utility model provides a washing machine upper cover, the rear end of upper cover is equipped with outside convex articulated seat (2), its characterized in that, a plurality of water diversion mouths (3) that link up from top to bottom are seted up to articulated seat (2), the periphery of water diversion mouth (3) is equipped with and is higher than fender muscle (4) of water diversion mouth (3).

2. A washing machine top cover according to claim 1, characterized in that the retaining rib (4) protrudes and extends upwards to enclose a water diversion chamber (15) with an upward opening.

3. The upper cover of the washing machine as claimed in claim 2, wherein one side of the water diversion chamber (15) is provided with a vertical rib (5) extending up and down, the lower end of the vertical rib (5) is provided with a folded edge (6) bent horizontally, and the highest position of the vertical rib (5) is higher than the blocking rib (4);

preferably, the vertical ribs (5) are closely attached to the blocking ribs (4);

preferably, the vertical rib (5) and the blocking rib (4) are integrally formed.

4. A washing machine top cover according to claim 3, characterized in that the upper plane of the folded edge (6) is provided with a plurality of grooves (7) for the water flow to pass through.

5. A washing machine upper cover according to any one of claims 1 to 4, characterized in that a plurality of downwardly extending water guide grooves (9) are provided along the inner wall of the water guide opening (3), the water guide grooves (9) extending along the vertical ribs (5) to the end of the hem (6).

6. A washing machine upper cover according to claim 5, characterized in that the water guide grooves (9) on the lower plane of the folded edge (6) and the grooves (7) on the upper plane of the folded edge (6) are staggered.

7. A washing machine upper cover according to any one of claims 1 to 4, characterized in that the hinge base (2) comprises a circular arc-shaped hinge head (10), and the hinge head (10) is provided with a mounting hole.

8. A washing machine, the upper end of which is provided with a tray seat, characterized in that the upper cover of the washing machine according to any one of the claims 1-7 is arranged, the upper cover is arranged in the tray seat of the washing machine through a hinged seat, a microswitch (1) is arranged in the tray seat (200), one end of the microswitch (1) is fixed on the hinged seat, and the other end is fixed in the tray seat (200).

9. A washing machine as claimed in claim 8, characterized in that the hinge base (2) is provided with a mounting hole (11), the tray base (200) is provided with a protruding shaft (12), the protruding shaft (12) is inserted into the mounting hole (11), and the upper cover (100) can be turned open in the tray base (200).

10. The washing machine as claimed in claim 8, wherein the washing machine is provided with a mounting plate (13), the mounting plate (13) is provided with a through hole, and one end of the upper cover (100) is correspondingly provided with a plurality of inserting parts (14) in a protruding manner;

preferably, the maximum width of the cross section of the insertion part (14) is larger than the aperture of the through hole so as to be in interference fit in the through hole.