CN216193448U - Double-drum washing machine - Google Patents

Abstract

The present disclosure relates to a double drum washing machine. The double drum washing machine includes: a first outer barrel; a second outer cylinder disposed on the upper side of the first outer cylinder; the first drainage pump is connected with the first outer barrel and pumps water out of the first outer barrel; and the first drainage pipe is connected with the first drainage pump, and the first drainage pipe extends upwards from the bottom of the first outer barrel to a highest water level line higher than the first outer barrel. The arrangement of the water drain valve can prevent water in the first outer barrel from flowing backwards to enter the second outer barrel under the condition that the water drain valve is not needed, and water in the second outer barrel cannot enter the first outer barrel.

Description

Double-drum washing machine

Technical Field

The present disclosure relates to the field of washing machines, and more particularly, to a dual drum washing machine.

Background

With the development of science and technology and the improvement of living standard, people also put forward more requirements on household appliances. With respect to the treatment of laundry, the general functions of the conventional washing machine have not been able to satisfy the user's demands. The traditional washing machine has a single function and cannot meet more and more requirements of users on clothes treatment.

In the double drum washing machine, water needs to be drained from both the upper and lower drums, which causes difficulty in designing a drain line due to the height of the upper and lower drums.

SUMMERY OF THE UTILITY MODEL

To overcome the problems of the related art, the present disclosure provides a dual drum washing machine.

According to an aspect of an embodiment of the present disclosure, there is provided a twin drum washing machine including: a first outer barrel; a second outer cylinder provided on an upper side of the first outer cylinder; the first drainage pump is connected with the first outer barrel and pumps water out of the first outer barrel; and the first drainage pipe is connected with the first drainage pump, and the first drainage pipe upwards extends to a position higher than the highest water level line of the first outer barrel from the bottom of the first outer barrel.

In one embodiment, the tee is disposed between the first outer barrel and the second outer barrel.

In an embodiment, the first drain pipe extends upwardly from the bottom of the first tub to above the highest water level of the second tub.

In an embodiment, the first drain pipe includes a bent portion, the first drain pipe extends upward from the bottom of the first outer tub to the bent portion, passes through the bent portion, and extends downward to the tee, and the bent portion is disposed higher than the highest water level line of the second outer tub.

In one embodiment, the double drum washing machine further comprises: and the second water discharge pipe is connected with the second outer barrel and extends upwards from the bottom of the second outer barrel to a highest water level line higher than the second outer barrel.

In one embodiment, the double drum washing machine further comprises: and the tee joint is arranged below the second outer barrel and communicated with the first drain pipe and the second drain pipe.

In one embodiment, the double drum washing machine further comprises: and the second drainage pump is connected with the second outer cylinder and the second drainage pipe and pumps water in the second outer cylinder out to the second drainage pipe.

In one embodiment, the double drum washing machine further comprises: and the third drain pipe is communicated with the tee joint, and the water in the first drain pipe and the water in the second drain pipe are discharged through the third drain pipe.

In one embodiment, a first one-way valve is disposed in the first drain pipe, the first one-way valve configured to prevent water from flowing from the tee into the first drain pipe; and/or a second one-way valve is disposed in the second drain pipe, the second one-way valve configured to prevent water from flowing from the tee into the second drain pipe.

In an embodiment, the first drain pipe extends in a rear direction of the first outer tub; the second drainage pump is connected with the tee joint at the rear part of the second outer cylinder.

In an embodiment, a valve is arranged in the third drain pipe for opening and/or closing the flow of water in the third drain pipe.

In one embodiment, the double drum washing machine includes a frame including a back plate disposed behind the first tub and the second tub; the tee joint is arranged on the front side or the rear side of the back plate.

In one embodiment, a reinforcing beam is arranged on the back plate, and the reinforcing beam is positioned between the first outer cylinder and the second outer cylinder; the tee joint is arranged on the stiffening beam.

In one embodiment, the back plate is provided with a through hole, and the second drain pipe is arranged to penetrate through the through hole; the second drain pipe comprises a first part and a second part, the first part is located in front of the back plate, the second part is located behind the back plate, and the second part extends upwards from the through hole to a position higher than the highest water level line of the second outer barrel.

In one embodiment, the frame comprises a bottom beam, the bottom beam comprises a front bottom beam, the front bottom beam is positioned in front of the first outer barrel and below the first outer barrel, and the front bottom beam is provided with a connecting port; one side of the first drainage pump is connected with the first outer barrel, and the other side of the first drainage pump is connected with the connecting port of the front bottom beam.

In one embodiment, a shock-proof pad is arranged between the first drainage pump and the connecting port.

In one embodiment, the first outer barrel comprises a first front outer barrel and a first rear outer barrel which are connected with each other, the first front outer barrel is positioned at the front side of the first rear outer barrel, and the first drainage pump is connected with the first rear outer barrel; the urceolus behind urceolus and the second before the second urceolus including interconnect, urceolus behind the urceolus before the second is located the front side of urceolus behind the second, the second drain pump with urceolus links to each other behind the second, wherein, first preceding urceolus with urceolus is connected through first connecting piece before the second, just first preceding urceolus first connecting piece with urceolus integrated into one piece before the second, and/or, first back urceolus with urceolus is connected through the second connecting piece after the second, just first back urceolus the second connecting piece with urceolus integrated into one piece behind the second.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in the present disclosure, the water inside the first outer tub is pumped out to a first drain pipe by a first drain pump, the first drain pipe extending upward from the bottom of the first outer tub to the highest water level line of the first outer tub. The arrangement is such that water in the first outer cylinder does not flow into the second outer cylinder even when the first outer cylinder is drained and the second outer cylinder is not drained. And under the condition that the first outer cylinder does not drain water and the second outer cylinder drains water, the water in the second outer cylinder cannot flow into the first outer cylinder. Under the condition that a drain valve is not needed, the water in the first outer barrel can be prevented from flowing backwards to enter the second outer barrel, and the water in the second outer barrel can not enter the first outer barrel.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic rear view of a twin drum washing machine according to an exemplary embodiment.

Fig. 2 is a perspective view structural diagram illustrating a dual drum washing machine according to an exemplary embodiment.

Fig. 3 is a front view schematically illustrating a structure of a twin drum washing machine according to an exemplary embodiment.

Fig. 4 is a perspective view structural diagram illustrating a twin drum washing machine according to another exemplary embodiment.

Fig. 5 is a schematic sectional structure view illustrating a twin drum washing machine according to another exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure as detailed in the claims.

With the development of science and technology and the improvement of living standard, people also put forward more requirements on household appliances. With respect to the treatment of laundry, the general functions of the conventional washing machine have not been able to satisfy the user's demands. The traditional washing machine has a single function and cannot meet more and more requirements of users on clothes treatment.

In the double drum washing machine, water needs to be drained from both the upper and lower drums, which causes difficulty in designing a drain line due to the height of the upper and lower drums.

To overcome the problems of the related art, the present disclosure provides a dual drum washing machine.

The disclosed double drum washing machine includes: a first outer barrel; a second outer cylinder disposed on the upper side of the first outer cylinder; the first drainage pump is connected with the first outer barrel and pumps water out of the first outer barrel; and the first drainage pipe is connected with the first drainage pump, and the first drainage pipe extends upwards from the bottom of the first outer barrel to a highest water level line higher than the first outer barrel.

In the present disclosure, the water inside the first outer tub is pumped out to a first drain pipe by a first drain pump, the first drain pipe extending upward from the bottom of the first outer tub to the highest water level line of the first outer tub. The arrangement is such that water in the first outer cylinder does not flow into the second outer cylinder even when the first outer cylinder is drained and the second outer cylinder is not drained. And under the condition that the first outer cylinder does not drain water and the second outer cylinder drains water, the water in the second outer cylinder cannot flow into the first outer cylinder. Under the condition that a drain valve is not needed, the water in the first outer barrel can be prevented from flowing backwards to enter the second outer barrel, and the water in the second outer barrel can not enter the first outer barrel.

Fig. 1 is a schematic rear view of a twin drum washing machine according to an exemplary embodiment. Fig. 2 is a perspective view structural diagram illustrating a dual drum washing machine according to an exemplary embodiment. Fig. 3 is a front view schematically illustrating a structure of a twin drum washing machine according to an exemplary embodiment.

As shown in fig. 1, 2 and 3, the double drum washing machine of the present disclosure includes: a first outer tub 301. And a second outer tube 302 provided above the first outer tube 301. The first drain pump 601 is connected to the first outer tub 301, and pumps water out of the first outer tub 301. And a first drain pipe 611 connected to the first drain pump 601, the first drain pipe 611 extending upward from the bottom of the first outer tub 301 to a level higher than the highest water level of the first outer tub 301.

In the use of the dual drum washing machine, the first tub 301 needs to be filled with water for washing laundry. Normally, when the water level in the first outer tub 301 reaches a certain height, the water injection is started to stop. The maximum water level mentioned in the present disclosure is a maximum water level set inside the washing machine, that is, a height of a water level line when the water supply is stopped.

And a second drain pipe 621 connected to the second outer tub 302, the second drain pipe 621 extending upward from the bottom of the second outer tub 302 to a level higher than the highest water level of the second outer tub 302.

During the use of the dual drum washing machine, the second outer drum 302 needs to be filled with water inside for washing laundry. Typically, the water injection is stopped when the water level in the second outer barrel 302 reaches a certain height. The maximum water level mentioned in the present disclosure is a maximum water level set inside the washing machine, that is, a height of a water level line when the water supply is stopped.

In the present disclosure, the dual drum washing machine may further include a tee joint 630, the tee joint 630 is disposed below the second outer tub 302, and the tee joint 603 is communicated with the first drain pipe 611 and the second drain pipe 621. In the present disclosure, tee 630 may be referred to as a tee or tee connector, tee connection tube, etc., in the field of washing machines.

In the present disclosure, the tee 630 is provided below the second outer tub 302, facilitating that the water in the first and second drain pipes 611 and 621 can be drained. In addition, in the double drum washing machine, the height of the whole machine is high due to the second outer tub 302 and the first outer tub 301 which are placed up and down. The tee 603 is arranged below the second outer barrel 302, namely below the middle position of the height of the whole machine, so that a user can be conveniently connected with a household drainage pipeline.

Generally, the drain line in the home is set low, and if the tee 630 is set too high, it is not only inconvenient to communicate with the drain line, but also requires a longer drain pipe.

In an exemplary embodiment of the present disclosure, a tee 630 is disposed between the first tub 301 and the second tub 302. With the arrangement, the tee joint 630 can be arranged at the middle position of the height of the whole machine, so that the arrangement is suitable for arranging drainage pipelines in a user household.

In the present disclosure, a dual drum washing machine may include a first tub 301 and a second tub 302 disposed above the first tub 301. In some embodiments, the first outer tub 301 and the second outer tub 302 may be independently provided, for example, the first outer tub 301 may be fixed to the frame 10 of the washing machine by a fixing member such as a spring, but the present disclosure is not limited thereto.

For example, in some embodiments, the first outer barrel 301 and the second outer barrel 302 may be connected to each other. Fig. 4 is a perspective view schematically illustrating a structure of a washing machine according to another exemplary embodiment, and as shown in fig. 4, a first outer tub 301 and a second outer tub 302 may be connected to each other by a connection member 303.

In such an embodiment, the first outer tub 301 and the second outer tub 302 are integrally connected to each other such that the first outer tub 301 and the second outer tub 302 are weighted with each other. Specifically, when the first outer tub 301 rotates, the second outer tub 302 can reduce the vibration amplitude of the first outer tub 301 by its own weight, thereby reducing the vibration amplitude of the entire machine.

Accordingly, for example, when the second outer cylinder 302 rotates, the first outer cylinder 301 can reduce the vibration amplitude of the first outer cylinder 301 by its own weight, thereby reducing the vibration amplitude of the whole machine.

In addition, since the first outer tub 301 and the second outer tub 302 can be mutually weighted, the weight of the overall machine can be reduced, and thus the weight of the overall machine can be reduced, so that the washing machine of the present disclosure can be conveniently carried.

In the present disclosure, the first outer tub 301 and the second outer tub 302 are connected to each other, and the fixation of both is also facilitated. For example, in some embodiments, the first outer tub 301 may be fixed to the frame 10 of the washing machine by a fixing member 512 such as a spring, for example, a side beam of the frame 10, that is, the first outer tub 301 and the second outer tub 302 may be fixed to the frame 10 together, so as to avoid the separate fixing of the second outer tub 302 to the frame 10. Therefore, the fixing parts 512 such as springs can be reduced, the manufacturing procedures can be reduced, the materials can be saved, and the cost can be reduced.

In an embodiment, the second outer barrel 302 may be fixed to the frame 10 of the washing machine by a fixing member 512, such as a spring, for example, a top beam of the frame 10, that is, the first outer barrel 301 and the second outer barrel 302 may be fixed to the frame 10 at the same time, so as to avoid the separate fixing of the second outer barrel 302 to the frame 10. Therefore, the fixing parts 512 such as springs can be reduced, the manufacturing procedures can be reduced, the materials can be saved, and the cost can be reduced.

In the present disclosure, the connection manner of the first outer cylinder 301 and the second outer cylinder 302 is not limited. In an embodiment, the first outer cylinder 301 may include a first front outer cylinder 312 and a first rear outer cylinder 311 that are connected to each other, the first front outer cylinder 312 is located at a front side of the first rear outer cylinder 311, and the first front outer cylinder 312 and the first rear outer cylinder 311 may be connected by screws or welded together by ultrasonic waves. In the present disclosure, the first drain pump 601 may be provided in connection with the first rear outer tub 311. However, the disclosure is not limited thereto, and in some embodiments, the first drain pump 601 may also be disposed to be connected to the first front outer tub 312, but the disclosure is not limited thereto, and in some embodiments, the first drain pump 601 may also be disposed to be connected to the first front outer tub 312.

The second outer cylinder 302 may include a second front outer cylinder 322 and a second rear outer cylinder 321 that are connected to each other, the second front outer cylinder 322 being located at a front side of the second rear outer cylinder 321, and the second front outer cylinder 322 and the second rear outer cylinder 321 may be connected by screws or may be ultrasonically welded together. In the present disclosure, the second drain pump 602 may be provided to be connected to the second rear outer tub 321. However, the disclosure is not limited thereto, and in some embodiments, the second drain pump 602 may be disposed to be connected to the second front outer tub 322.

In the present disclosure, the first front outer cylinder 312 may be positioned at a lower side of the second front outer cylinder 322, and the first front outer cylinder 312 may be interconnected with the first front outer cylinder 322, as shown in fig. 4, by a first connecting member 331, thereby forming the first outer cylinder 301 and the second outer cylinder 302 to be interconnected. In an embodiment, the first front outer cylinder 312, the first connector 331 and the second rear outer cylinder 322 may be integrally formed, and this arrangement allows the first outer cylinder 301 and the second outer cylinder 302 to be more firmly connected.

In the present disclosure, the first rear outer cylinder 311 may be located at a lower side of the second rear outer cylinder 321, and the first rear outer cylinder 311 may be connected to the second rear outer cylinder 321, as shown in fig. 4, by a second connecting member 332, thereby forming the first outer cylinder 301 and the second outer cylinder 302 connected to each other. In an embodiment, the first rear outer cylinder 311, the second connecting member 332 and the second rear outer cylinder 321 may be integrally formed, and this arrangement allows the first outer cylinder 301 and the second outer cylinder 302 to be more firmly connected.

Alternatively, in an embodiment, the first front outer cylinder 312 may be integrally connected to the second front outer cylinder 322, and the first rear outer cylinder 311 may be integrally connected to the second rear outer cylinder 321, so that the first outer cylinder 301 and the second outer cylinder 302 may be connected more firmly.

Fig. 5 is a schematic sectional view illustrating a washing machine according to another exemplary embodiment, and as shown in fig. 5, in a case where the first outer tub 301 and the second outer tub 302 are connected to be integrally formed, it is possible to provide the damper 52 between the first outer tub 31 and the frame 10 without providing the damper 52 between the second outer tub 302 and the frame 10, and to provide the hanging spring between the second outer tub 302 and the frame 10 without providing the hanging spring between the first outer tub 301 and the frame 10. The first outer cylinder 301 and the second outer cylinder 302 are supported by the damper on the first outer cylinder 301 and the spring on the second outer cylinder 302, so that the cost can be saved, the assembly process can be reduced, the assembly is convenient, and the stable support can be achieved.

In an exemplary embodiment of the present disclosure, the twin drum washing machine includes a frame, and as shown in fig. 2 and 3, the frame may include a back plate 100, and the back plate 100 may be disposed behind a first outer tub 301 and a second outer tub 302. The tee 630 may be disposed on either the front side 101 or the back side 102 of the backplane 100.

The frame can comprise a plurality of beams, and the washing machine frame formed by the beams is of a three-dimensional square frame structure. Wherein the plurality of beams constituting the frame include vertical beams 120, top beams, bottom beams 130, and cross beams. The vertical beam refers to a beam in the same direction as gravity when the washing machine is in use. The top, bottom and cross beams are all perpendicular to the vertical beams, and the top and bottom beams 130 are also all parallel to the horizontal plane. The top beam is disposed on the top of the vertical beam and fixedly connected to the vertical beam 120, and the bottom beam 130 is disposed on the bottom of the vertical beam 120 and fixedly connected to the vertical beam 120. The cross beam is connected between two adjacent vertical beams 120 and between the top beam and the bottom beam 130.

In addition, the top beams include front top beams 111, rear top beams 112, and side top beams 113. The bottom beams 130 include front bottom beams, rear bottom beams, and side bottom beams. The cross beams include side cross beams 121 on both sides of the frame and a front cross beam on the front side of the frame. Wherein, the side where the doors of the first outer cylinder 301 and the second outer cylinder 302 are located is the front, the opposite is the back of the washing machine, the left side or the right side is between the front and the back, when the user faces the door body of the washing machine, the left side of the user is the left side of the washing machine, and the right side of the user is the right side of the washing machine. Thus, the side header 113 in turn includes a left side header and a right side header. The side bottom beams comprise a left side bottom beam and a right side bottom beam. The side cross beams comprise a left side cross beam and a right side cross beam.

In the exemplary embodiment of the present disclosure, the back plate 100 is provided with the reinforcement beam 103, the reinforcement beam 103 is located between the first outer cylinder 301 and the second outer cylinder 302, and the tee 630 is provided to the reinforcement beam 103. The reinforcing beam 103 is used to add two vertical beams 120 at the rear side of the double drum washing machine. The strength of the reinforcing beam 103 is high, and the tee joint 630 is arranged on the reinforcing beam 103, so that a better supporting effect can be provided for the tee joint 630.

The water discharged by the first outer cylinder 301 and the water discharged by the second outer cylinder 302 can be gathered in the tee joint 630 and then discharged, so that the tee joint 630 is stressed greatly, the reinforcing beam 103 is arranged on the reinforcing beam 103, the reinforcing beam 103 can provide a better supporting effect for the tee joint 630, and the stability of the whole structure is facilitated.

In an exemplary embodiment of the present disclosure, the back plate 100 may be provided with a through hole, and the second drain pipe 621 is provided to pass through the through hole. As shown in fig. 2, the second drainage pipe 621 may include a first portion 6211 and a second portion, the first portion 6211 being located in front of the back panel 100, for example, may be disposed at the front side 101 of the back panel 100. The second portion may be located behind the back plate 100, e.g., may be disposed at the rear side 102 of the back plate 100. The second portion may extend upward from the through hole to a higher maximum water level than the second tub 302.

In the disclosed exemplary embodiment, the first drain pipe 611 extends upward from the bottom of the first tub 301 to a higher maximum water level than the second tub 302. The arrangement is such that water in the first drain pipe does not flow into the second drain pipe even when the first drain pipe is draining and the second drain pipe is not draining. And under the condition that the first drain pipe does not drain water and the second drain pipe drains water, the water in the second drain pipe cannot flow into the first drain pipe. Under the condition that a drain valve is not needed, the water in the first outer barrel can be prevented from flowing backwards to enter the second outer barrel, and the water in the second outer barrel can not enter the first outer barrel.

As shown in fig. 2, in the exemplary embodiment of the present disclosure, the first drain pipe 611 includes a bent portion, and the first drain pipe 611 extends upward from the bottom of the first outer tub 301 to the bent portion, passes through the bent portion, and extends downward to the tee 630, the bent portion being disposed higher than the highest water level line of the second outer tub 302.

The arrangement is such that the water in the first outer tub 301 is discharged through the first drain pipe 611 by passing through the first drain pump 601, rises up to the highest water level of the second outer tub 302, i.e., at the bent portion, and then descends from the bent portion to the tee 630, passes through the tee 630, and is then discharged.

In an exemplary embodiment of the present disclosure, the twin drum washing machine further includes: and a second drain pump 602 connected to the second outer barrel 302 and connected to the second drain pipe 622, for pumping water inside the second outer barrel 302 to the second drain pipe 622.

In the present disclosure, the water of the first tub 301 is pumped out through the first drain pump 601, and the water of the second tub 302 may be pumped out through the second drain pump 602. With such an arrangement, both the water in the first outer tub 301 and the water in the second outer tub 302 can be discharged under power.

In an exemplary embodiment of the present disclosure, the twin drum washing machine further includes: the third drain pipe 631 is communicated with the tee joint 630, and the water in the first drain pipe 611 and the water in the second drain pipe 621 are discharged through the third drain pipe 631.

In the present exemplary embodiment, a first check valve configured to prevent water from flowing from the tee 630 into the first drain pipe 611 may be provided in the first drain pipe 611. With this arrangement, the water in the second drain pipe 622 can be further prevented from flowing into the first drain pipe 611 through the tee joint 630.

In the disclosed exemplary embodiment, a second one-way valve is provided in the second drain pipe 622, the second one-way valve being configured to prevent water from flowing from the tee 630 into the second drain pipe 622. With this arrangement, the water in the first drain pipe 611 can be further prevented from flowing into the second drain pipe 622 through the tee joint 630.

In the disclosed exemplary embodiment, the first drain pipe 611 extends in the rear direction of the first outer tub 301. Such an arrangement may be shorter than the path of the tee 630, and the first drain pipe 611 may extend upward along the backpan 100.

The second drain pump 602 is connected to a tee 630 at the rear of the second outer tub 302. With this arrangement, the path from tee 630 is shorter.

In an exemplary embodiment of the present disclosure, a valve is provided in the third drain pipe 631, and the valve is used to open and/or close the flow of water in the third drain pipe 631. With this arrangement, the drainage of the third drainage pipe 631 can be controlled.

In the exemplary embodiment of the present disclosure, the frame further includes a bottom beam, the bottom beam includes a front bottom beam 131, the front bottom beam 131 is located in front of the first outer tub 301, and the front bottom beam 131 is located below the first outer tub 301, the front bottom beam 131 is provided with a connection port 132, one side of the first drain pump 601 is connected to the first outer tub 301, and the other side of the first drain pump 601 is connected to the connection port of the front bottom beam 131.

In the exemplary embodiment of the present disclosure, a vibration stopper is disposed between the first drain pump 601 and the connection port 132. In some embodiments, the washing machine further includes a first drain pump 601, the first drain pump 601 is located within the frame and between the washing drum and the front sill 131, and the first drain pump 601 includes a pump case fixing portion fixedly connected to the front sill 131. The first drainage pump 601 is fixed on the front bottom beam 131, and the first drainage pump 601 can be fixed in the space of the frame except the first outer cylinder, namely the first drainage pump 601 is fixed between the front bottom beam 131 and the first outer cylinder, so that the space in the frame can be fully utilized; the first drainage pump 601 is fixed on the front bottom beam 131, so that the first drainage pump 601 can be prevented from touching the first outer cylinder, and the first outer cylinder or the first drainage pump 601 can be prevented from vibrating and colliding with each other during working, and the service life of the whole washing machine can be prolonged.

In some embodiments, a shock-proof pad is disposed at the fixed connection between the pump casing fixing part and the front bottom beam 131; the vibration stopper separates the pump case fixing portion and the front floor beam 131 so that the pump case fixing portion and the front floor beam 131 are fixedly connected in a non-contact manner.

When the washing machine spins the laundry, the first drain pump 601 is activated to drain the water in the first tub, and when the first drain pump 601 is fixed to the frame, the vibration of the first drain pump 601 may cause local severe vibration of the frame, for example, the vibration of the front sill 131, and the vibration of the front sill 131 may cause parts located near the front sill 131 of the frame to collide with each other to be dangerous. Therefore, it is important to improve the stability of the washing machine and to reduce the local vibration caused by the first drain pump 601.

Therefore, by arranging the vibration-stopping pad between the first water discharge pump 601 and the frame, the vibration of the first water discharge pump 601 can be prevented from being transmitted to the frame, the improvement of the stability can prevent the washing machine from generating large vibration in the working process, and the force and the abrasion of devices caused by mutual collision of all the parts are reduced.

In some embodiments, the shock absorbing pad comprises a rubber pad, a silicone pad, or a foamed PVS pad. The shock pad is the structure that can take place elastic deformation promptly, and can also play certain supporting role, avoids first drainage pump 601 and preceding floorbar 131's rigid connection.

In some embodiments, the cross section of the shock pad along the thickness direction of the shock pad is in an i shape, a lattice shape, a hollow shape, a square shape or a circular shape. In particular, the shock pad may have a flat elastic structure. The cross section of the shock pad is i-shaped, and the two i-shaped surfaces of the shock pad are respectively contacted with the first drainage pump 601 and the front bottom beam 131. The grid type is that the middle part of the shock pad is composed of a plurality of hollow grids. The hollow-out type is a structure like a foot mat, and both sides thereof are also in contact with the pump case fixing portion of the first drain pump 601 and the front floor beam 131, respectively. When the cross section of the shock pad is square or round, the shock pad can be in a strip structure besides a flat structure. Such as square or round bar structures.

In some embodiments, the shock stop pad comprises more than one shock absorbing pad. When the shock absorbing pad has a flat structure, the shock absorbing pad may be cut into square pieces, circular pieces, and other various shapes, which are not particularly limited herein. In this case, the cushion may be provided in plurality. Providing a plurality of cushions can be accommodated by tailoring the shape of the cushions at locations where the structure is complex. In addition, the problem that a single large-area shock pad cannot adapt to different pump shell fixing parts in structure is avoided, and the application range is wide. And a plurality of shock pads still can save material, be liable to change etc..

In some embodiments, the front bottom beam 131 is provided with a connection port 132; the pump shell fixing part of the first drainage pump 601 is inserted into the connecting port 132, and the pump shell fixing part is in interference fit with the connecting port 132; the vibration stopper is disposed between the inner wall of the connection port 132 and the outer wall of the pump housing fixing portion. In this embodiment, the pump casing fixing portion may be cylindrical, and the connection port 132 may be a circular hole. The pump casing fixing portion is inserted into the circular connection port 132 to form an interference fit. Therefore, the outer wall of the pump casing fixing part and the inner wall of the connecting port 132 are contact parts of the outer wall and the inner wall, and a shock-proof pad is arranged at the contact parts to avoid rigid connection of the outer wall and the inner wall, so that vibration generated by the first drainage pump 601 during operation is prevented from being transmitted to the front bottom beam 131 and further to the frame, and the vibration sense contacted by a user is smaller in the using process.

In some embodiments, the vibration-stopping pad is fixedly attached to the outer wall of the pump housing fixing portion, and the vibration-stopping pad is fixedly attached to the inner wall of the connecting hole. The vibration-proof pad is fixed on the outer wall of the fixed part of the pump shell or the inner wall of the connecting hole in a sticking mode.

In some embodiments, the shock stopping pad comprises a plurality of sheet-like shock absorbing pads arranged in an array around the outer wall of the fixed part of the pump shell; and/or the shock stopping pad comprises a plurality of annular shock absorbing pads which are sleeved on the outer wall of the fixed part of the pump shell.

When the shock pad of stopping the shock pad is sheet structure, can evenly set up a plurality of shock pads along the circumference of pump case fixed part cross section, consequently after setting up in the circumference of a plurality of cross section positions department, a plurality of shock pads are the array and arrange at the outer wall of pump case fixed part. When the shock pad of the shock-proof pad is in a strip structure, the shock pad can be a square strip or a round strip. The strip-shaped shock pad can form an annular structure and is sleeved on the outer wall of the pump shell fixing part, or the whole shock pad is tightly wound on the outer wall of the pump shell fixing part.

In some embodiments, the outer wall of the fixed portion of the pump housing is provided with an integrally formed flange; wherein, the flange plate is fixedly connected with the front bottom beam 131 through a fastener. In this embodiment, the pump casing fixing portion may include a cylindrical structure that is interference-fitted to the connection port 132 of the front floor beam 131, while a flange is provided at an outer wall of the pump casing fixing portion. At this time, the pump case fixing portion is doubly fixed to the front sill 131 by interference fit and the flange, so that the first drain pump 601 is more firmly fixed.

In addition, the connection port 132 is not provided at the front bottom beam 131, and the flange is provided at the pump housing fixing portion of the first drain pump 601, so that the opening of the front bottom beam 131 can be avoided, the strength of the front bottom beam 131 at the position can be improved, and the difficulty of the process of providing the connection port 132 can be improved.

In some embodiments, a vibration stop pad is disposed between the flange and the front sill 131. A vibration-proof pad is also provided at the contact portion of the flange and the front sill 131. In some embodiments, the shock-stopping pad comprises a plurality of sheet-shaped shock-absorbing pads arranged in an array, and the shock-stopping pad comprises a plurality of annular shock-absorbing pads arranged in a concentric circle.

Specifically, when the first drain pump 601 is provided with only a flange, the damping pad may be in a shape of a disk sheet, and the diameter of the damping pad is greater than or equal to that of the flange. The shock pad also can be the ring form, and a plurality of shock pads concentric circles form arranges. The shock-absorbing pads can also be arranged at intervals in the circumferential direction in a fan shape. When the first drain pump 601 is simultaneously in interference fit with the hole shaft and fixed by the flange, the shock pad is configured in a circular ring shape. Or a plurality of concentric rings can be arranged at intervals. The shock pad can be set up by a plurality of fan ring intervals. And is not particularly limited herein.

The first drainage pump 601 is fixed on the front bottom beam 131, the first drainage pump 601 can be fixed in the space of the frame except the first outer barrel, the space in the frame is fully utilized, the first drainage pump 601 is fixed on the front bottom beam 131, the first drainage pump 601 can be prevented from touching the first outer barrel, the first outer barrel or the first drainage pump 601 is prevented from vibrating and colliding with each other during working, and therefore the service life of the whole washing machine is prolonged.

In the present disclosure, the water inside the first outer tub is pumped out to a first drain pipe by a first drain pump, the first drain pipe extending upward from the bottom of the first outer tub to the highest water level line of the first outer tub. And the second drain pipe extends upwards from the bottom of the second outer barrel to the highest water level line of the second outer barrel. The arrangement is such that water in the first drain pipe does not flow into the second drain pipe even when the first drain pipe is draining and the second drain pipe is not draining. And under the condition that the first drain pipe does not drain water and the second drain pipe drains water, the water in the second drain pipe cannot flow into the first drain pipe. Under the condition that a drain valve is not needed, the water in the first outer barrel can be prevented from flowing backwards to enter the second outer barrel, and the water in the second outer barrel can not enter the first outer barrel.

It is understood that "a plurality" in this disclosure means two or more, and other words are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

It will be further understood that the terms "central," "longitudinal," "lateral," "front," "rear," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present embodiment and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation.

It will be further understood that, unless otherwise specified, "connected" includes direct connections between the two without the presence of other elements, as well as indirect connections between the two with the presence of other elements.

It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the scope of the appended claims.

Claims (17)

1. A double drum washing machine, characterized by comprising:

a first outer barrel;

a second outer cylinder provided on an upper side of the first outer cylinder;

the first drainage pump is connected with the first outer barrel and pumps water out of the first outer barrel; and

and the first drainage pipe is connected with the first drainage pump, and the first drainage pipe upwards extends to a position higher than the highest water level line of the first outer barrel from the bottom of the first outer barrel.

2. A twin drum washing machine according to claim 1,

the double-drum washing machine further comprises a tee joint, and the tee joint is arranged between the first outer drum and the second outer drum.

3. A twin drum washing machine according to claim 2,

the first drain pipe extends upwardly from the bottom of the first tub to above the highest water level line of the second tub.

4. A twin drum washing machine according to claim 3,

the first drain pipe comprises a bent portion, the first drain pipe extends upwards to the bent portion from the bottom of the first outer barrel, the bent portion extends downwards to the tee joint, and the bent portion is higher than the highest water level line of the second outer barrel.

5. The twin drum washing machine as claimed in claim 2, further comprising:

and the second water discharge pipe is connected with the second outer barrel and extends upwards from the bottom of the second outer barrel to a highest water level line higher than the second outer barrel.

6. A twin drum washing machine according to claim 5,

the tee joint is arranged below the second outer cylinder and communicated with the first drain pipe and the second drain pipe.

7. The twin drum washing machine as claimed in claim 6, further comprising:

and the second drainage pump is connected with the second outer cylinder and the second drainage pipe and pumps water in the second outer cylinder out to the second drainage pipe.

8. The twin drum washing machine as claimed in claim 7, further comprising:

and the third drain pipe is communicated with the tee joint, and the water in the first drain pipe and the water in the second drain pipe are discharged through the third drain pipe.

9. A twin drum washing machine according to claim 8,

a first one-way valve is arranged in the first drainage pipe and is configured to prevent water from flowing into the first drainage pipe from the tee joint; and/or

A second one-way valve is disposed in the second drain conduit and configured to prevent water from flowing from the tee into the second drain conduit.

10. A twin drum washing machine according to claim 9,

the first drain pipe extends in the rear direction of the first outer tub;

the second drainage pump is connected with the tee joint at the rear part of the second outer cylinder.

11. A twin drum washing machine according to claim 10,

a valve is arranged in the third water discharge pipe and is used for opening and/or closing the flow of water in the third water discharge pipe.

12. A twin drum washing machine according to claim 5,

the double-drum washing machine comprises a frame, wherein the frame comprises a back plate which is arranged behind the first outer drum and the second outer drum;

the tee joint is arranged on the front side or the rear side of the back plate.

13. A twin drum washing machine according to claim 12,

a reinforcing beam is arranged on the back plate and is positioned between the first outer cylinder and the second outer cylinder;

the tee joint is arranged on the stiffening beam.

14. A twin drum washing machine according to claim 13,

the back plate is provided with a through hole, and the second drain pipe is arranged to penetrate through the through hole;

the second drain pipe comprises a first part and a second part, the first part is located in front of the back plate, the second part is located behind the back plate, and the second part extends upwards from the through hole to a position higher than the highest water level line of the second outer barrel.

15. A twin drum washing machine according to claim 14,

the frame comprises a bottom beam, the bottom beam comprises a front bottom beam, the front bottom beam is positioned in front of the first outer barrel and positioned below the first outer barrel, and a connecting port is formed in the front bottom beam;

one side of the first drainage pump is connected with the first outer barrel, and the other side of the first drainage pump is connected with the connecting port of the front bottom beam.

16. A twin drum washing machine according to claim 15,

and a shock-proof pad is arranged between the first drainage pump and the connecting port.

17. A twin drum washing machine in accordance with claim 7, wherein the first tub comprises a first front tub and a first rear tub connected to each other, the first front tub being located at a front side of the first rear tub, the first drain pump being connected to the first rear tub;

the second outer tub includes a second front outer tub and a second rear outer tub connected to each other, the second front outer tub is located at a front side of the second rear outer tub, the second drain pump is connected to the second rear outer tub,

the first front outer barrel is connected with the second front outer barrel through a first connecting piece, the first front outer barrel, the first connecting piece and the second front outer barrel are integrally formed, and/or the first rear outer barrel is connected with the second rear outer barrel through a second connecting piece, and the first rear outer barrel, the second connecting piece and the second rear outer barrel are integrally formed.

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