CN216274842U - Drainage interface structure of multi-drum washing machine and multi-drum washing machine - Google Patents

Abstract

The utility model discloses a drainage interface structure of a multi-drum washing machine, which is used for connecting an external drainage pipeline of the washing machine and comprises at least two rows of water interfaces and a main pipe body; the main pipe body comprises a confluence port and an internal separation structure, and the confluence port is respectively communicated with at least two rows of water interfaces under the effect of the separation structure so as to isolate sewage from different cylinders in the main pipe body. By arranging the separation structure, the utility model can avoid the secondary pollution of the washing water caused by the cross mixing of sewage generated when each cylinder discharges water, and simultaneously avoid the pumping out of the washing water in the lower washing cylinder due to the Venturi negative pressure effect when the upper washing cylinder discharges water, thereby simplifying the whole pipeline in the machine.

Description

Drainage interface structure of multi-drum washing machine and multi-drum washing machine

Technical Field

The utility model relates to the technical field of household appliances, in particular to a drainage interface structure of a multi-drum washing machine and the multi-drum washing machine.

Background

At present, with the improvement of life quality of people, the washing machine for washing in different areas becomes a new choice for many families. The partitioned washing machine is mostly of a multi-drum structure, multiple drums can be washed simultaneously, and all drums share one water inlet and outlet system. The water discharged by the washing machine contains various stains and detergent residues, and the sewage discharged by each cylinder needs to be strictly distinguished, so that the cross contamination of the washing water in the washing process of the clothes is avoided, and the cleanness of the clothes is ensured.

Most of the existing multi-drum washing machines are formed by vertically arranging and combining a plurality of drums, the drum at the lower part adopts a centrifugal pump for drainage, the drum at the upper part adopts gravity drainage or a centrifugal pump for drainage, and the drainage outlets of the drums are intersected at one position and are connected into a drainage floor drain or a drainage outlet buried in a wall. The existing drainage scheme leads to the pollution of the washing water and clothes of the lower barrel when the sewage of the upper barrel is discharged because the washing water in the lower barrel is always communicated with the drainage pipe.

Therefore, a novel drain interface structure for a multi-drum washing machine is needed to solve the shortcomings of the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a drainage interface structure of a multi-drum washing machine and the multi-drum washing machine.

The technical scheme of the utility model is summarized as follows:

a drain interface structure of a multi-drum washing machine for connecting an external drain pipeline of the washing machine, comprising: at least two rows of water interfaces and a main pipe body; the main pipe body comprises a confluence port and an internal separation structure, and the confluence port is respectively communicated with at least two rows of water interfaces under the effect of the separation structure so as to isolate sewage from different cylinders in the main pipe body.

Preferably, the partition structure is formed by a plurality of pipes respectively connected with the drainage interface.

Preferably, the partition structure is a partition plate penetrating the main pipe body.

Preferably, the sectional area of the confluence port is more than or equal to the sum of the sectional areas of the drainage interfaces; the sectional area of each part separated by the separation structure is larger than or equal to the sectional area of each water drainage interface respectively connected with the separation structure.

Preferably, the drainage interfaces are perpendicular to each other, and the main pipe body is inclined downwards.

Preferably, the inner wall of the port of the drainage interface is provided with an annular bulge for fixedly connecting an external drainage pipe and preventing sewage leakage during drainage.

Preferably, a guide sleeve is tightly matched in the drainage interface, and the inner wall of the guide sleeve is tightly attached to the end part of the drainage pipe of the washing machine.

Preferably, the main tube is made of plastic or metal or ceramic.

In another aspect, the present invention also provides a multi-tub washing machine comprising: a box body; a lower washing drum arranged in the box body; an upper washing drum arranged in the box body; and the drainage interface structure of the multi-drum washing machine.

Preferably, the drain pipe of the upper washing cylinder is horizontally connected to the drain port, and the drain pipe of the lower washing cylinder is vertically connected to the drain port.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a drainage interface structure of a multi-drum washing machine, which isolates sewage discharged by an upper drum and a lower drum by arranging a confluence port of a main pipe body and an internal separation structure, avoids the secondary pollution of washing water caused by the cross mixing of the sewage when each drum drains water, and simultaneously avoids the pumping of the washing water in the lower drum due to the Venturi negative pressure effect when the upper drum drains water.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic structural view of a drain connector according to the present invention;

FIG. 2 is a cross-sectional view of a drain interface structure of the present invention;

fig. 3 is a schematic structural view of a multi-drum washing machine according to the present invention.

In the figure: 1. a multi-drum washing machine;

10. a drain interface structure; 11. a water drainage interface; 111. an upper barrel drainage port; 112. a lower cylinder drainage interface; 12. a primary tube; 121. a flow converging port; 122. a partition structure; 123. a confluent water outlet;

20. an upper washing drum;

30. a lower washing drum;

40. and (4) a box body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The embodiment of the utility model provides a drainage interface structure of a multi-drum washing machine, which is used for connecting an external drainage pipeline of the washing machine, at least two rows of water interfaces 11 and a main pipe body 12; the main pipe 12 includes a confluence port 121 and an internal separation structure 122, and under the effect of the separation structure 122, the confluence port 121 is respectively communicated with the at least two rows of water interfaces 11 to isolate sewage from different cylinders in the main pipe 12. Specifically, as shown in fig. 1 and fig. 2, the drainage interface structure 10 includes two rows of water interfaces 11, namely an upper cylinder drainage interface 111 and a lower cylinder drainage interface 112, after the washing wastewater is connected from the upper cylinder drainage interface 111 and the lower cylinder drainage interface 112, the washing wastewater is converged into the main pipe 12 through the confluence port 121, and is separated from each other by the partition structure 122 inside the main pipe 12 and flows out of the main pipe 12, so as to avoid the wastewater from mixing with each other during drainage, which causes secondary pollution of the washing water, and simultaneously avoid the failure of the lower washing cylinder 30 during operation caused by the pumping out of the washing water in the lower washing cylinder 30 due to the venturi negative pressure effect during drainage of the upper washing cylinder 20. It should be understood that the drain interface structure 10 may also be configured with three or more drain ports 11, each drain interface 11 being connected to a barrel to ensure independence of drain operations for each barrel.

In one embodiment, the partition structure 122 is formed by a plurality of pipes respectively connected to the drainage ports 11. Specifically, the main pipe body 12 is provided with a plurality of pipes inside, which are respectively communicated with the drainage interfaces 11, and when the external drainage pipe is connected to the drainage interfaces 11 to discharge sewage, the sewage flows through the pipes correspondingly connected to the drainage interfaces, so as to achieve the purpose of isolating the sewage discharged by the cylinders.

In another embodiment, as shown in fig. 1 and fig. 2, the partition structure 122 is a partition plate penetrating through the main pipe 12, specifically, one end of the partition plate abuts against the inner wall of the confluence port 121, and the other end extends to the confluence water outlet 123 of the main pipe 12, and by arranging a baffle inside the main pipe 12, the sewage from the upper drainage port 111 and the lower drainage port 112 is effectively partitioned, so that the drainage port structure 10 is simpler and more stable, and the installation is more convenient.

Further, the sectional area of the confluence port 121 is equal to or larger than the sum of the sectional areas of the drainage ports 11; the sectional area of each part separated by the separation structure 122 is larger than or equal to the sectional area of each drainage port 11 connected with the separation structure. Further improving the fluid smoothness when the sewage passes through the main pipe body 12, so that the sewage can pass through quickly to avoid the water return phenomenon.

In one embodiment, the drain ports 11 are perpendicular to each other, and the main pipe 12 is inclined downward. Specifically, as shown in fig. 1, the upper drum drain port 111 and the lower drum drain port 112 are perpendicular to each other, the upper drum drain port 111 is horizontally connected to an external drain pipe, and the lower drum drain port 112 is vertically connected to an external drain pipe, that is, the lower washing drum 30 of the multi-drum washing machine 1 adopts an upper drain mode, the washing machine drain pipe is vertically connected to the lower drum drain port 112, the drain position is higher than the drum body, and the water pump is used for pumping out sewage to achieve the purpose of draining; the upper washing drum 20 adopts a lower drainage mode, the drainage pipe is horizontally connected to the upper drum drainage interface 111, the drainage purpose is achieved by utilizing the gravity of water, and the drainage efficiency is effectively improved. And the main pipe body 12 which is inclined downwards is more beneficial to the gathering and discharging of sewage, and the condition that the sewage is remained in the pipeline is reduced.

In an embodiment, an annular protrusion is disposed on an inner wall of a port of each drain connector 11, and specifically, when the upper drain connector 111 and the lower drain connector 112 are connected to an external drain pipe, the annular protrusion at the connectors can be clamped and fixed with the external drain pipe to prevent the drain pipe from falling off, and simultaneously prevent sewage from leaking during draining.

In one embodiment, a guide sleeve is tightly fitted in each drain port 11, and the inner wall of the guide sleeve is tightly attached to the end of the drain pipe of the multi-drum washing machine 1. Through setting up the uide bushing, can surround 1 drain pipe end portion of multi-cylinder washing machine firmly, the vibrations that produce when avoiding the drainage lead to the drain pipe to drop from the kneck to can effectively prevent the laundry sewage seepage.

In one embodiment, the primary tube 12 is made of plastic or metal or ceramic. Specifically, the plastic main pipe 12 can be used in a high humidity environment for a long time without deformation or chemical reaction with sewage, and has stable performance, good toughness and strength. The metal main pipe body 12 has strong sealing performance and small flow resistance, and the surface of the metal main pipe body is not easy to corrode; the ceramic main pipe body 12 has good wear resistance, corrosion resistance, impact resistance and the like, and the inner surface of the pipe is smooth.

In another aspect, the present invention also provides a multi-tub washing machine 1, as shown in fig. 3, including: a case 40; a lower washing tub 30 disposed in the cabinet 40; an upper washing tub 20 disposed in the cabinet 40; and a drain interface structure 10 of the multi-drum washing machine according to the above technical solution. Through setting up this drainage interface structure 10, can accept the drain pipe of upper portion washing barrel 20 and lower part washing barrel 30 simultaneously, the outlet intersection of each section of thick bamboo is in one, and insert outside drainage structure, make the inside whole pipeline of multi-drum washing machine 1 simpler, it is more convenient to install, and when any section of thick bamboo carries out the drainage during operation or the section of thick bamboo carries out the drainage simultaneously but the displacement is inconsistent, can avoid appearing rivers from dashing into the other end drain pipe from the drain pipe of one end, thereby prevent that sewage from producing the cross mixing, cause the washing water secondary pollution, and because venturi negative pressure effect when avoiding the drainage of upper portion washing barrel 20, take out the washing water in the lower part washing barrel 30.

Further, the upper washing tub 20 may be a drum type washing tub or a pulsator type washing tub.

In one embodiment, the drain interface structure 10 is located inside the cabinet 40 of the multi-drum washing machine 1 and between the upper washing drum 20 and the lower washing drum 30, and the main pipe 12 penetrates through the outer shell of the cabinet 40 and is connected with the drain structure located outside the cabinet 40, so that the internal overall pipeline of the multi-drum washing machine 1 is simpler, the cost is saved, the installation is more convenient, and the potential safety hazard is reduced.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (9)

1. A drain interface structure of a multi-drum washing machine for connecting an external drain pipeline of the washing machine, comprising: at least two rows of water interfaces and a main pipe body; the method is characterized in that: the main pipe body comprises a confluence port and an internal separation structure, and the confluence port is respectively communicated with at least two drainage ports under the action of the separation structure so as to isolate sewage from different cylinders in the main pipe body; the drainage interfaces are mutually vertical, and the position of the main pipe body is inclined downwards.

2. The drain interface structure of claim 1, wherein: the separation structure is formed by a plurality of pipelines respectively connected with the drainage interface.

3. The drain interface structure of claim 1, wherein: the separation structure is a separation plate penetrating through the main pipe body.

4. The drain interface structure of claim 1, wherein: the sectional area of the confluence port is more than or equal to the sum of the sectional areas of the drainage interfaces; the sectional area of each part separated by the separation structure is larger than or equal to the sectional area of each water drainage interface respectively connected with the separation structure.

5. The drain interface structure of claim 1, wherein: and an annular bulge is arranged on the inner wall of the port of the drainage interface and is used for fixedly connecting an external drainage pipe and preventing sewage leakage during drainage.

6. The drain interface structure of claim 1, wherein: the drainage connector is internally and tightly matched with a guide sleeve, and the inner wall of the guide sleeve is tightly attached to the end part of a drainage pipe of the washing machine.

7. The drain interface structure of claim 1, wherein: the main tube is made of plastic or metal or ceramic.

8. A multiple-tub washing machine, comprising: a box body; a lower washing drum arranged in the box body; an upper washing drum arranged in the box body; and a drain interface structure of a multi-drum washing machine according to claim 1.

9. A multi-drum washing machine according to claim 8, characterized in that: the drain pipe of the upper washing cylinder is horizontally connected into the drain interface, and the drain pipe of the lower washing cylinder is vertically connected into the drain interface.

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