WO2020207323A1

WO2020207323A1 - Anti-dispersing water passage structure, and water intake apparatus of washing machine

Info

Publication number: WO2020207323A1
Application number: PCT/CN2020/082989
Authority: WO
Inventors: 周炳衡; 方相九; 黄涛; 李丽平
Original assignee: 青岛海尔滚筒洗衣机有限公司; 海尔智家股份有限公司
Priority date: 2019-04-08
Filing date: 2020-04-02
Publication date: 2020-10-15
Also published as: CN111793938B; CN111793938A

Abstract

The present invention relates to an anti-dispersing water passage structure, comprising: a flow channel for providing a flowing space for a water flow, wherein the flow channel is provided with at least one bend that changes the flowing direction of the water flow, and a flow guide rib is provided between the bend and a water outlet of the flow channel, such that the water flow swirls at the bend are guided, under the action of the flow guide rib, to be sprayed in an axial direction of the water outlet. With the above configuration, the flowing direction of the water flow can be corrected by the flow channel with the bend under the action of the flow guide rib, so as to guide the water flow swirls at the bend of the flow channel to prevent the outflow water of the flow channel from dispersing. The present invention further relates to a water intake structure of a washing machine, the water intake structure comprising at least one water intake flow channel, wherein the water intake flow channel is provided with the above water passage structure, and a water intake flow is sprayed from the water outlet into a corresponding washing flow channel via the flow channel of the water passage structure.

Description

Divergence-proof waterway structure and washing machine water inlet device

Technical field

The invention belongs to the technical field of washing machines, in particular to a washing machine water intake device, and more particularly to a divergence prevention waterway structure applied to the washing machine water intake device.

Background technique

The water inlet device of the existing washing machine includes a water path assembly and a water path cover plate covered on the water path assembly; since the washing machine uses many types of washing additives, the washing water flow parameters corresponding to different types of washing additives are different. the same. Therefore, multiple water channels need to be provided on the water circuit assembly to respectively flush the washing additives put in different chambers, so as to flush the washing additives in the corresponding chambers into the washing tub, and then use the flushed The washing additives treat the laundry in the washing machine.

In order to ensure smooth water discharge and avoid water vortexes, the water path components of existing washing machines generally do not have bends on the water path to ensure the smoothness of the water flow and avoid the divergence of the water flow from the water path and cause the divergent water flow to flow into other washing channels. happened.

However, due to the size limitation of the washing machine, it is sometimes necessary to set up and down, and/or left and right horizontal bends in the water path to realize the connection of the water inlet and outlet of the washing machine water inlet device, which will cause the flow path to bend. The water vortexes, causing the water to diverge. Especially when a bend is set at the water channel close to the water outlet, the phenomenon of water divergence caused is particularly obvious.

In view of this, the present invention is proposed.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a washing machine and a control method thereof.

In order to solve the above technical problems, the basic idea of the technical solution adopted by the present invention is:

An anti-divergence waterway structure includes: a flow channel that provides a flow space for water flow; the flow channel is provided with at least one bend that changes the flow direction of the water flow, and a diversion rib is arranged between the bend and the outlet of the flow channel. Under the action of the flow ribs, the water vortex at the bend is guided to spray in the axial direction of the water outlet.

Further, the first diversion rib is arranged in the downstream flow channel of the bending, and the first diversion rib flows the inner part of the flow channel into two side-by-side branch flow channels.

Further, the first diversion rib extends along the axial direction of the water outlet of the flow channel, and the first diversion rib is located at the center of the bottom of the flow channel and extends upward to a certain height to guide the water vortex at the bend to flow into the alternative branch flow channel .

Furthermore, the flow channel upstream of the bend extends horizontally to the left or right, and the flow channel downstream of the bend extends to the front right or front left; and the flow channel upstream of the bend extends downstream of the bend The flow channel is in the lower height plane, and the first guide rib is in the downstream flow channel of the bending and extends along the axial direction of the flow channel to separate the flow channel into a first branch flow channel and a second branch flow channel that are side by side .

Further, the first guide rib extends into the bend of the flow channel, and the first guide rib extends into the bent end with a certain gap between the inner wall of the flow channel, so that the vortex of the water flowing into the bend can be It passes through the gap and flows into the first branch flow channel on the side away from the upstream flow channel under the restriction of the first guide rib.

Further, the second guide rib is located on the side wall of the branch flow channel downstream of the bending and protrudes radially toward the center of the flow channel to reduce the width of any branch flow channel downstream of the bending.

Further, the second guide rib is located on the inner wall of the side away from the upstream flow channel of the bending, and the second guide rib protrudes and extends from the inner wall of the flow channel toward the direction of the first guide rib to reduce the first guide rib away from the upstream flow channel of the bending. The width of the branch runner.

Further, the water outlet covers the outlet end of the first branch flow channel, so that the water flow out of the first branch flow channel is sprayed out from the water outlet of the flow channel.

The present invention also discloses a washing machine water inlet structure, which includes at least one water inlet flow path, the inlet flow path is provided with any of the above-mentioned water path structures, the flow path of the water path structure sprays the inlet water flow from the water outlet into the corresponding Flush the runner.

Further, it includes a plurality of flow passages arranged at a certain angle with each other, and the water outlet axis of each flow passage is interleaved at a certain angle with each other to inject the water jets respectively sprayed into the corresponding flushing flow passages; the water supply stream in each flow passage is sprayed The first branch runners are all located on the side close to the other runner.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

Through the above arrangement, the flow direction of the flow channel with bends can be corrected under the action of the guide ribs, so as to guide the water vortex at the bend of the flow channel and avoid the divergence of the flow channel.

By arranging the second diversion rib in the flow channel, the radial width of the outlet branch flow channel downstream of the bending can be reduced, thereby realizing significant technical progress of increasing the flow rate of the outlet water and reducing the dispersion of the outlet water.

Through the above arrangement, the water path of the water inlet structure of the washing machine can be provided with an L-shaped bend with a height difference, and the smooth flow of water can still be realized, avoiding the existence of backflow vortex in the flow path and causing the divergence of the water flow and causing the water flow between The occurrence of mutual water leakage.

At the same time, the invention has a simple structure and significant effects, and is suitable for popularization and use.

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

Description of the drawings

The accompanying drawings are used as a part of the present invention to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained from these drawings without creative work. In the attached picture:

Figure 1 is a schematic structural diagram of a washing machine water inlet device in an embodiment of the present invention;

Fig. 2 is a partial structural diagram of Fig. 1 of the embodiment of the present invention;

Fig. 3 is a schematic view of the A-A cross-sectional structure in Fig. 1 of the embodiment of the present invention.

Marked in the figure: 1. Flow channel; 2. Diversion rib; 3. Flushing channel; 10. Water outlet; 11. Bending; 12. Bending upstream flow channel; 13. Bending downstream flow channel; One branch flow channel; 15, the second branch flow channel; 21, the first diversion rib; 22, the second diversion rib; 31, the third flushing channel.

It should be noted that these drawings and text descriptions are not intended to limit the scope of the invention in any way, but to explain the concept of the invention for those skilled in the art by referring to specific embodiments.

detailed description

In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention. , But not used 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. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood in specific situations.

Example one

As shown in Figures 1 to 3, this embodiment introduces an anti-divergence waterway structure, including: a flow channel 1 that provides a flow space for water flow; the flow channel 1 is provided with at least one bend 11 that changes the flow direction of the water flow. A guide rib 2 is provided between the bend 11 and the water outlet 10 of the flow channel 1 to guide the water vortex at the bend 11 to spray in the axial direction of the water outlet 10 under the action of the guide rib 2.

In this embodiment, the first diversion rib 21 is provided in the bend downstream flow channel 13, and the first diversion rib 21 partially flows the flow channel 1 into two side-by-side branch flow channels. Under the action of the turbulent flow 21, all or most of the water flow out of the bend 11 flows into one of the branch channels, so that the water flow in the channel 1 converges and flows into the selected branch under the action of the first guide rib 21. In the branch channel, the purpose of converging water in the channel 1 is realized.

In this embodiment, the first guide rib 21 extends along the axial direction of the water outlet 10 of the flow channel 1, and the first guide rib 21 is located at the center of the bottom of the flow channel 1 and extends upward to a certain height to bend the downstream flow channel. 13 is divided into a first branch flow channel 14 and a second branch flow channel 15 arranged side by side along the axial direction of the water outlet 10.

In this embodiment, the flow channel 12 upstream of the bend extends horizontally to the left or right, and the flow channel 13 downstream of the bend extends to the front right side or the front left side, so that the flow channel 13 downstream of the bend extends away from Bend 11 extends obliquely on the side where water enters; and the flow channel 12 upstream of the bend is in the lower height plane relative to the flow channel 13 downstream of the bend, so that the water flowing into the bend 11 can enter the bend after it flows upward. In the downstream flow channel 13. The first guide rib 21 is located in the bent downstream flow channel 13 and extends axially along the flow channel 1 to divide the flow channel 1 into a first branch flow channel 14 and a second branch flow channel 15 that are side by side. The first branch flow channel 14 is far away from the inflow direction of the water inflow at the bend 11 relative to the second branch flow channel 15 so that the water flowing into the bend 11 flows upward under the restriction of the side wall of the flow channel 1 and is received by the flow channel 1 When the top surface interferes with the vortex, the first guide rib 21 interferes with the vortex of the water flow to guide the water flow into the first branch flow channel 14.

In this embodiment, the first guide rib 21 extends into the bend 11 of the flow channel, and the end of the first guide rib 21 extends into the bend 11 with a certain gap between the inner wall of the flow channel 1 to make The water vortex flowing into the bend 11 can pass through the gap and flow into the first branch flow channel 14 on the side away from the upstream flow channel 12 of the bend under the restriction of the first guide rib 21.

In this embodiment, the water outlet 10 covers the outlet end of the first branch flow channel 14 so that the water flow from the first branch flow channel 14 is sprayed out from the water outlet 10 of the flow channel. At the same time, since the axial direction of the water outlet 10 is parallel to the extension direction of the first guide rib 11, the water flow can be jetted out from the water outlet 10 axially without interference, without diverging to the surroundings.

Example two

As shown in Figures 1 to 3, this embodiment also has the following additional technical features based on the first embodiment above. In order to increase the water flow rate and reduce the divergence of the water flow, a radial protrusion is provided in the first branch flow channel 14. , The second guide rib 22 to change the width of the runner. By setting the second diversion ribs, significant technical progress is realized in reducing the radial width of the outlet branch flow channel downstream of the bending, increasing the outlet water velocity, and reducing the divergence of the outlet water.

In this embodiment, the second guide rib 22 is located on the side wall of the downstream flow channel 13 and protrudes radially toward the center of the flow channel 1 to reduce the width of the first branch flow channel 14 downstream of the bending.

In this embodiment, the second guide rib 22 is located on the inner wall of the side away from the bent upstream flow channel 12, and the second guide rib 22 protrudes and extends from the inner wall of the flow channel 1 toward the first guide rib 21 to reduce the distance away from The width of the first branch runner 14 of the upstream runner 12 is bent.

In this embodiment, the upper and lower ends of the second guide rib 22 respectively extend to the upper and lower inner walls of the flow channel 1, so as to correspond to cover a part of the corresponding cross-section area of the first branch flow channel 14, so that the flow through the first branch flow channel 14 The water flow increases the spraying speed outward under the action of the second guide rib 22 with the reduced radial width and reduces the divergence of the water.

Preferably, the water outlet 10 of the flow channel 1 at least covers the gap between the second guide rib 22 and the first guide rib 21 to ensure that the jet water flowing out of the gap can all be ejected from the water outlet 10 to further Reduce water divergence.

Example three

As shown in Figures 1 to 3, this embodiment introduces a washing machine water inlet device, which includes at least one water inlet flow path, the water inlet flow path is provided with the water path structure described in the above embodiment, the flow path of the water path structure 1 Spray the inlet water stream from the water outlet 10 into the corresponding flushing channel 3.

In this embodiment, the water inlet device of the washing machine includes two runners 1 arranged at a certain angle staggered with each other, and the axes of the water outlets 10 of the two runners 1 are staggered at a certain angle with each other. The downstream of the two flow channels 1 are respectively provided with a relatively coaxial flushing channel 3, and the inlets of the flushing channels 3 are respectively set toward the water outlet 10 of the corresponding channel 1, so that the water flow from the water outlet 10 of each channel Spray into the corresponding flushing channel 3. The outlets of each flushing flow channel 3 respectively lead into different washing additive injection chambers to flush and add laundry detergent, washing powder, softener, fragrance, disinfectant, etc. in the corresponding chamber.

In this embodiment, the branch flow channels of each flow channel 1 that are close to the other flow channel 1 respectively constitute the first branch flow channel 14 in the corresponding flow channel where the water supply flow is sprayed.

In this embodiment, a third flushing channel 31 is also provided in the middle of the two flushing channels 3, so that when the water outlets 10 of the two channels 1 simultaneously discharge water, the water flows out of the water at the same time interfere with each other so that the interference water flows directly into The third flushing channel 31.

The above are only the preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed as above in preferred embodiments, it is not intended to limit the present invention. Any technology familiar with this patent Without departing from the scope of the technical solution of the present invention, the personnel can use the technical content suggested above to make slight changes or modification into equivalent embodiments with equivalent changes, but any content that does not depart from the technical solution of the present invention is based on the technology of the present invention Essentially, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the present invention.

Claims

An anti-divergence waterway structure includes: a flow channel that provides a flow space for water flow; the flow channel is provided with at least one bend that changes the flow direction of the water flow, and a diversion rib is arranged between the bend and the outlet of the flow channel. Under the action of the flow ribs, the water vortex at the bend is guided to spray in the axial direction of the water outlet.
The anti-divergence waterway structure according to claim 1, wherein the first diversion rib is arranged in the downstream flow channel of the bending, and the first diversion rib divides the flow in the flow channel into two side-by-side phases. Tributary.
The anti-divergence waterway structure according to claim 2, wherein the first diversion rib extends along the axial direction of the outlet of the flow channel, and the first diversion rib is located at the center of the bottom of the flow channel and extends upward to a certain extent. Height to guide the water vortex at the bend to flow into the alternative branch flow channel.
An anti-divergence waterway structure according to claim 3, characterized in that the flow channel upstream of the bend extends horizontally to the left or right, and the flow channel downstream of the bend is directed to the front right or front Extend on the left side; and the flow channel upstream of the bend is in the lower height plane relative to the flow channel downstream of the bend, and the first guide rib is in the flow channel downstream of the bend and extends along the axial direction of the flow channel to direct the flow The channel is divided into a first branch flow channel and a second branch flow channel in parallel.
An anti-divergence waterway structure according to any one of claims 2 to 4, wherein the first diversion rib extends into the bend of the flow channel, and the first diversion rib extends into the bent end There is a certain gap between the inner wall of the flow channel, so that the water vortex flowing into the bending can pass through the gap and flow into the first branch flow channel far away from the upstream flow channel under the restriction of the first guide rib.
An anti-divergence waterway structure according to any one of claims 2 to 5, wherein the second guide rib is located on the side wall of the branch flow channel downstream of the bending and protrudes radially toward the center of the flow channel to Reduce the width of any branch runner downstream of the bend.
The divergence-preventing waterway structure according to claim 6, wherein the second diversion rib is located on the inner wall of the side away from the upstream flow passage of the bending, and the second diversion rib is directed from the inner wall of the flow passage to the first diversion The ribs extend in a convex direction to reduce the width of the first branch flow channel away from the upstream flow channel of the bending.
The anti-divergence waterway structure according to claim 5, wherein the water outlet covers the outlet end of the first branch flow channel, so that the water flow from the first branch flow channel is sprayed out from the water outlet of the flow channel.
A washing machine water inlet structure, which comprises at least one water inlet flow path, the water inlet flow path is provided with the water path structure of any one of the above claims 1 to 8, the flow path of the water path structure sprays the inlet water flow from the water outlet into the corresponding Flush the runner.
The water intake device for a washing machine according to claim 9, characterized in that it comprises a plurality of flow passages arranged at a certain angle staggered with each other, and the water outlet axis of each flow passage is staggered at a certain angle with each other to spray each The first branch flow channel sprayed by the water supply flow in each flow channel is arranged on the side close to the other flow channel.