WO2019237932A1

WO2019237932A1 - Drum-type washing machine and spray device thereof

Info

Publication number: WO2019237932A1
Application number: PCT/CN2019/089226
Authority: WO
Inventors: 吕佩师; 许升; 赵志强; 赵新宇
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2018-06-15
Filing date: 2019-05-30
Publication date: 2019-12-19
Also published as: CN110607659A

Abstract

Disclosed are a drum-type washing machine and a spray device thereof. The spray device comprises a sealed window pad (5) of the drum-type washing machine, multiple spraying channels (53) provided on the sealed window pad, and an annular water chamber (11) provided on the outer side of the sealed window pad. The annular water chamber comprises a water inlet pipe (111) and multiple water outlet pipes (112), each of the water outlet pipes being respectively connected to a spraying channel. The spray device can not only be manufactured separately to facilitate modular production, but also has a simple structure and is easy to install.

Description

Drum washing machine and spraying device thereof

Technical field

The invention belongs to the technical field of laundry treatment equipment, and specifically provides a drum washing machine and a spraying device thereof.

Background technique

The existing drum washing machine originated in Europe, and mainly includes a box body, an outer tube, and an inner tube from the outside to the inside. The drum washing machine works in a similar way to hammering clothes with a hammer. During operation, the inner cylinder is driven by the driving motor. With the rotation of the inner cylinder, the laundry is continuously lifted and dropped in the drum, and then lifted and dropped again, and repeat the exercise. With the help of washing powder and water, the laundry is washed clean.

In order to improve the effect of water washing and rinsing, some drum washing machines are also provided with a circulating spray device. For example, the drum type washing machine disclosed in the patent document with publication number CN102482834B has a circulation path therein, one end of the circulation path leads to the bottom end of the water tank (outer cylinder), and the other end of the circulation path leads to the opening of the water tank Multiple jets on the edge. The circulation path can supply washing water from the bottom end of the water tank to the plurality of spray outlets, and then spray the washing water into the drum (inner tube) to circulate and rinse the laundry.

Although the drum-type washing machine disclosed in the patent document with the publication number of CN102482834B has a strong ability to clean clothes, the water tank provided with a plurality of spray outlets has a complicated structure and high production cost.

Accordingly, there is a need in the art for a new drum washing machine and its spraying device to solve the above problems.

Summary of the Invention

In order to solve the above-mentioned problems in the prior art, that is, to solve the problems of complicated installation structure and high production cost of the spraying device of the existing drum washing machine with a circulating spray function, the present invention provides a spraying device of a drum washing machine The drum washing machine includes a box body, an outer tube fixedly disposed in the box body, an inner tube rotatably disposed in the outer tube, and a sealed window provided between the box body and the outer tube. The spraying device includes the sealing window pad and a plurality of spraying channels provided on the sealing window pad; the spraying channel includes a water inlet hole to the outside of the sealing window pad and to the seal A water outlet channel inside the window mat, the water outlet channel is directed to the inner cylinder.

In a preferred technical solution of the above-mentioned spraying device, the spraying device further includes a plurality of raised structures integrally formed on the sealing window pad, and each of the raised structures is respectively aligned with one of the water inlet holes. ; The water outlet channel is formed through the raised structure.

In a preferred technical solution of the above-mentioned spraying device, the plurality of spraying channels are arranged at equal intervals around the axis of the sealing window pad.

In a preferred technical solution of the above-mentioned spraying device, the spraying device further includes an annular water cavity provided on the outside of the sealing window pad, the annular water cavity includes an inlet pipe and a plurality of outlet pipes, each of the The water outlet pipes are respectively connected to one of the water inlet holes.

In a preferred technical solution of the above-mentioned spraying device, the spraying device further includes a plurality of mounting rings integrally formed on the sealing window pad, and each of the mounting rings is respectively arranged around one of the water inlet holes, and the The water outlet pipe is inserted into the mounting ring and thus is connected to the water inlet hole.

In a preferred technical solution of the above-mentioned spraying device, the spraying device further includes a clamp, the clamp being sleeved outside the mounting ring and tightening the mounting ring, so that the water outlet pipe and the installation The rings are fastened together.

In addition, the present invention also provides a drum washing machine, which includes the sprinkler device according to any one of the above-mentioned preferred technical solutions of the spraying device. The drum washing machine further includes a water supply device for the water supply device. And supplying water to the plurality of spray channels.

In a preferred technical solution of the above-mentioned drum washing machine, the water supply device is a circulation pump, a water inlet of the circulation pump opens into the outer cylinder, and a water outlet of the circulation pump communicates with the plurality of spray channels, respectively.

In a preferred technical solution of the above-mentioned drum washing machine, the water supply device is a water inlet valve, a water inlet port of the water inlet valve is connected to a water source, and a water outlet port of the water inlet valve is in communication with the plurality of spray channels, respectively. .

Those skilled in the art can understand that, in the preferred technical solution of the present invention, by providing a spray channel on the sealing window pad and making the water outlet channel of the spray channel point to the inner cylinder; when the water in the inner channel of the spray channel is discharged, the spray channel can Spray water into the inner cylinder. The sealed window gasket and the spray channel of the present invention can be made in one piece, with a simple structure, easy installation, and low cost, while avoiding the modification of the outer cylinder.

In a feasible embodiment of the present invention, a mounting ring is further provided at the water inlet hole of the spray channel, and the mounting ring is made integrally with the sealing window pad. The drum washing machine of the present invention further includes an annular water cavity, which includes an inlet pipe and a plurality of outlet pipes, and the inlet pipe is connected to a circulating pump of the drum washing machine so that the circulating pump pumps the washing water in the outer cylinder to the annular water. Cavity, each outlet pipe is inserted into a mounting ring, and then the installation ring is tightened by a clamp to tightly fasten the outlet pipe and the installation ring together. Based on this, the sealed window gasket and the annular water cavity of the present invention can be manufactured separately to achieve the modular production of the drum washing machine, which not only reduces the production cost, but also facilitates the installation of the spraying device on the drum washing machine.

BRIEF DESCRIPTION OF THE DRAWINGS

The following describes preferred embodiments of the present invention with reference to the accompanying drawings, in which:

1 is a front view of a drum washing machine of the present invention;

2 is a cross-sectional view taken along the A-A direction in FIG. 1;

Figure 3 is a side view of the front portion of the outer cylinder of the present invention;

4 is a front view of an outer cylinder of the present invention;

5 is a cross-sectional view taken along the B-B direction in FIG. 4;

6 is an enlarged view of a portion C in FIG. 5;

FIG. 7 is an enlarged view of a portion D in FIG. 6.

List of reference signs:

1. Box body; 2. Outer tube; 3. Inner tube; 4. Door body; 5. Sealed window pad; 51. Raised structure; 52. Mounting ring; 53; Spray channel; 6. Connection pipe; 7. Drainage Pumps; 8. Drain pipes; 9. Circulating pumps; 10. Circulating water pipes; 11. Ring water chamber; 111; Water inlet pipes; 112; Water outlet pipes; 12. Clamps.

detailed description

Those skilled in the art should understand that the embodiments in this section are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the components in the drawings are drawn according to a certain proportional relationship, this proportional relationship is not static, and those skilled in the art can adjust it according to needs in order to adapt to specific applications and adjusted technology. The solution will still fall into the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "installation", "connected", and "connected" should be understood in a broad sense unless otherwise specified and limited. For example, they may be fixed connections or removable. The connection, or the integral connection, can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

As shown in FIGS. 1 and 2, the drum washing machine of the present invention mainly includes a box body 1, an outer tube 2, an inner tube 3, a door body 4, a sealed window gasket 5, a connection pipe 6, a drain pump 7, and a drain pipe 8. Among them, the outer tube 2 is fixedly disposed in the box body 1, the inner tube 3 is rotatably disposed in the outer tube 2, and the sealing window pad 5 is disposed between the box body 1 and the outer tube 2. The connection pipe 6, the drainage pump 7 and the drainage pipe 8 are all arranged in the case 1. One end of the connecting pipe 6 is connected to the bottom of the outer cylinder 2, and the other end of the connecting pipe 6 is connected to the water inlet of the drain pump 7. The water inlet of the drain pump 7 is thus communicated with the outer cylinder 2. The water outlet of the drainage pump 7 is connected to one end of the drainage pipe 8, and the other end of the drainage pipe 8 is open to the outside. The drain pump 7 can discharge the washing water in the outer tub 2 through the drain pipe 8.

In addition, those skilled in the art can understand that when each part of the drain pipe 8 is lower than the inner bottom end of the outer cylinder 2, those skilled in the art can also omit the drain pump 7 and replace the drain pump 7 as required. Replace with a globe valve. When the drum washing machine needs to drain water, the shut-off valve is opened, so that the washing water in the outer tub 2 is automatically discharged from the drain pipe 8 under the effect of its own gravity.

With continued reference to FIGS. 1 and 2, the front end of the box 1 (the right side of the box 1 in FIG. 2) is provided with a box mouth (not shown), and the front end of the outer tube 2 (the right side of the outer tube 2 in FIG. 2) ) Is provided with an outer cylinder port (not shown in the figure), and the front end of the inner cylinder 3 (the right side of the inner pipe 3 in FIG. 2) is provided with an inner pipe port (not shown in the figure). One end of the sealing window pad 5 is sealingly connected to the edge of the box mouth, and the other end of the sealing window pad 5 is sealingly connected to the edge of the inner cylinder mouth. The door body 4 is pivotally disposed on the box body 1, and when the door body 4 is closed, the mouth of the box body can be closed to prevent the washing water in the outer cylinder 2 from overflowing from the box body mouth.

Continuing to refer to FIG. 1 and FIG. 2, the drum washing machine of the present invention further includes a circulating pump 9, a circulating water pipe 10, and a spraying device (not shown in the figure). Among them, the circulation pump 9 is preferably disposed in the casing 1 and fixedly connected to the casing 1. Or a person skilled in the art may also make the circulation pump 9 and the outer cylinder 1 fixedly connected as required. The water inlet of the circulation pump 9 opens to the inside of the outer cylinder 2 through the connecting pipe 6. The water outlet of the circulation pump 9 communicates with the shower device through the circulation water pipe 10. After the circulation pump 9 pumps the washing water in the outer tub 2 to the spraying device, the spraying device sprays the washing water on the laundry in the inner tub 3.

As shown in FIGS. 2 to 5, the shower device of the present invention mainly includes a sealed window pad 5 and an annular water chamber 11 as a water supply device. Wherein, the annular water cavity 11 is disposed outside the sealing window pad 5 and is connected to the sealing window pad 5.

As shown in FIG. 2 to FIG. 7, the sealing window pad 5 is integrally formed with a plurality of protruding structures 51 and a plurality of mounting rings 52, that is, the sealing window pad 5, the protruding structure 51 and the mounting ring 52 are integrally formed. Preferably, the number of the protruding structures 51 and the mounting rings 52 are five. Or a person skilled in the art can also set the protruding structure 51 and the mounting ring 52 to any other number, for example, six, seven, nine, and the like, as required. Further, five raised structures 51 are provided on the inside of the sealing window pad 5 at equal intervals around the circumferential direction of the sealing window pad 5, and five mounting rings 52 are provided on the sealing window pad 5 at equal intervals around the circumferential direction of the sealing window pad 5. And the protruding structures 51 and the sealing window pad 5 are aligned one by one. Furthermore, the raised structure 51 has a curved surface structure for preventing it from catching clothes.

As shown in FIG. 6 and FIG. 7, the sealing window pad 5 is further provided with a plurality of spraying channels 53. Preferably, the number of the spraying channels 53 is the same as the number of the protruding structures 51 and the mounting rings 52. Each spraying channel 53 passes through the corresponding protruding structure 51, so that the water outlet channel of the spraying channel 53 is formed on the protruding structure 51 and points to the inner cylinder 3. The water inlet hole of each spray channel 53 leads to a corresponding mounting ring 52, that is, the installation ring 52 corresponding to the spray channel 53 is arranged around the water inlet hole of the spray channel 53.

As shown in FIG. 3 to FIG. 7, the annular water chamber 11 includes a water inlet pipe 111 and a plurality of water outlet pipes 112, wherein the water inlet pipe 111 is used to be connected to the circulating water pipe 10 and transports the washing water pumped by the circulating pump 9 to Inside the annular water cavity 11. In a preferred embodiment of the present invention, the number of the water outlet pipes 112 is the same as the number of the mounting rings 52, that is, the number of the protruding structures 51, the mounting rings 52, the spray channels 53, and the water outlet pipes 112 are all five. Or those skilled in the art can also adjust the number of the protruding structure 51, the mounting ring 52, the spraying channel 53, and the water outlet pipe 112 appropriately according to actual needs. Exemplarily, the number of the protruding structures 51, the mounting rings 52, and the spray channels 53 is set to five, and the number of the water outlet pipes 112 is set to ten.

With continued reference to FIGS. 6 and 7, the shower device of the present invention further includes a clamp 12. In the installed state of the spraying device of the present invention, each water outlet pipe 112 is inserted into a mounting ring 52 respectively. The clamp 12 is sleeved on the mounting ring 52, and tightens the mounting ring 52, so that the mounting ring 52 and the outlet pipe 112 are tightly fastened together. In addition, those skilled in the art can also insert the mounting ring 52 into the water outlet pipe 112 as required, and then fasten the water outlet pipe 112 through the clamp 12. Alternatively, a person skilled in the art may also dispense with the installation ring 12 according to needs, and fix the installation ring 52 and the outlet pipe 112 directly, for example, connect the installation ring 52 and the outlet pipe 112 together by an interference fit connection method. Or connect the mounting ring 52 and the outlet pipe 112 together by welding or ultrasonic welding.

Although it is not shown in the drawings, in another feasible technical solution of the present invention, those skilled in the art may omit the installation of the mounting ring 52 as required, so that the water outlet pipe 112 is directly in contact with the water inlet hole of the injection channel 53 To connect, for example, by plugging them together.

Although it is not shown in the figure, in another feasible technical solution of the present invention, those skilled in the art may omit the setting of the protruding structure 51 and set the spraying channel 53 on the sealing window pad 5 obliquely as required. So that the water outlet channel of the spray channel 53 is directed to the inner cylinder 3.

Although it is not shown in the figure, in another feasible technical solution of the present invention, those skilled in the art may omit the arrangement of the annular water cavity 11 and make the circulating water pipe 10 directly communicate with the plurality of spraying channels 53 as required. .

In operation, after the circulating pump 9 pumps the washing water in the outer cylinder 2 to the annular water chamber 11, the annular water chamber 11 sends the washing water to the plurality of spray channels 53 on the sealing window pad 5 through a plurality of water outlet pipes 112. Further, as shown in FIG. 1, the plurality of spray channels 53 spray the washing water into the inner tube 3 in a fan shape uniformly.

Those skilled in the art can understand that, in the preferred embodiment of the present invention, the spraying channel 53 is provided on the sealing window pad 5 to make the spraying device not only simple in structure, convenient to install, simple to manufacture, and low in production cost. Further, by connecting the annular water chamber 11 and the sealing window pad 5 together, the annular water chamber 11 and the sealing window pad 5 can be integrally installed on the drum washing machine, which is convenient for installation and also facilitates the module of the spray device of the present invention.化生产。 Production.

Further, although it is not shown in the drawings, in another feasible technical solution of the present invention, those skilled in the art may also make the plurality of spray channels 53 and the water outlet of the water inlet valve of the drum washing machine as required. When the water inlet of the water inlet valve communicates with the water source, the plurality of injection channels 53 can inject tap water into the inner cylinder 3.

Those skilled in the art should understand that the combination of the above technical solutions of the present invention with each other should also fall into the protection scope of the present invention.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the accompanying drawings. However, it is easily understood by those skilled in the art that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present invention.

Claims

A spraying device of a drum washing machine, the drum washing machine includes a box body, an outer tube fixedly disposed in the box body, an inner tube rotatably disposed in the outer tube, and the box body and the The sealed window gasket between the outer cylinders;

It is characterized in that the spraying device includes the sealing window pad and a plurality of spraying channels provided on the sealing window pad;

The spray channel includes a water inlet hole leading to the outside of the sealing window pad and a water outlet channel leading to the inside of the sealing window pad, and the water outlet channel is directed to the inner cylinder.
The spraying device of the drum washing machine according to claim 1, wherein the spraying device further comprises a plurality of raised structures integrally formed on the sealing window pad, and each of the raised structures is respectively associated with one The water inlet holes are aligned; the water outlet channel is formed through the raised structure.
The spraying device of the drum washing machine according to claim 1, wherein the plurality of spraying channels are arranged at equal intervals around an axis of the sealing window pad.
The spraying device of the drum washing machine according to any one of claims 1 to 3, wherein the spraying device further comprises an annular water cavity provided outside the sealed window pad, and the annular water cavity includes A water inlet pipe and a plurality of water outlet pipes, and each of the water outlet pipes is respectively connected with one water inlet hole.
The spraying device of the drum washing machine according to claim 4, wherein the spraying device further comprises a plurality of mounting rings integrally formed on the sealing window pad, and each of the mounting rings surrounds one of the mounting rings, respectively. A water inlet is provided, and the water outlet pipe is inserted into the mounting ring and thus is connected to the water inlet.
The spraying device of the drum washing machine according to claim 5, wherein the spraying device further comprises a clamp, the clamp is sleeved outside the mounting ring and clamps the mounting ring, so that all the The water outlet pipe and the mounting ring are fastened together.
A drum washing machine, characterized in that the drum washing machine comprises the shower device according to any one of claims 1 to 6, and the drum washing machine further comprises a water supply device, and the water supply device is configured to provide the plurality of Water supply from spray channel.
The drum washing machine according to claim 7, wherein the water supply device is a circulation pump, a water inlet of the circulation pump opens into the outer cylinder, and a water outlet of the circulation pump and the plurality of jets The channels are connected respectively.
The drum washing machine according to claim 7, wherein the water supply device is a water inlet valve, a water inlet port of the water inlet valve is connected to a water source, and a water outlet port of the water inlet valve is connected to the plurality of The spray passages communicate with each other.