CN111455630B

CN111455630B - Drum washing machine

Info

Publication number: CN111455630B
Application number: CN201910048396.XA
Authority: CN
Inventors: 黄涛; 蒋玉亮; 孙和超
Original assignee: Qingdao Haier Washing Electric Appliance Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Electric Appliance Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2022-06-07
Anticipated expiration: 2039-01-18
Also published as: CN111455630A

Abstract

The invention discloses a drum washing machine, comprising an outer drum; the inner cylinder is sleeved in the outer cylinder; the feeding device is used for feeding the detergent into the cylinder by utilizing water inflow; the window gasket connects the outer cylinder opening and the shell of the washing machine so as to isolate the gap between the outer cylinder opening and the shell from the outer cylinder opening; the water outlet of the feeding device is connected with a connecting pipe, the connecting pipe penetrates through the window mat, and the penetrating end of the connecting pipe is provided with a spraying port which sprays water towards the inside of the inner cylinder so as to spray detergent and/or water into the inner cylinder. The feeding device is communicated with the inner barrel, detergent and/or water are sprayed into the inner barrel, the contact area of the clothes and the washing liquid is increased, the washing liquid washes the clothes at a certain speed, the clothes cleaning ratio is improved, and the problem of low washing liquid utilization rate is solved.

Description

Drum washing machine

Technical Field

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

Background

At present, the putting device on most washing machines is connected on the urceolus through the connecting pipe, and washing liquid flows in directly getting into the clearance of urceolus and inner tube, and the inner tube periphery is equipped with the dehydration hole, and washing liquid gets into the inner tube by the dehydration hole in, but, most washing liquid do not contact with the clothing, leads to the bottom of washing liquid runner urceolus, and only a small amount of washing liquid contacts with the clothing, has caused the waste of detergent.

Chinese patent No. CN107869031A discloses a detergent box, which uses the siphon principle to send the detergent in the detergent containing space into the outer tub of the washing machine, and solves the problem of residual liquid in the detergent box, but the detergent adheres to the outer tub wall, and a large amount of detergent flows to the bottom of the outer tub, so that the detergent box has low utilization rate, and the detergent box cannot wash and wash the clothes.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a drum washing machine, which comprises a feeding device, wherein a water outlet of the feeding device is communicated with an inner drum through a window gasket, so that the waste of a detergent is avoided, the contact area of clothes and washing liquid is increased, and the clothes cleaning ratio is improved.

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

a drum washing machine includes an outer tub; the inner cylinder is sleeved in the outer cylinder; the feeding device is used for feeding the detergent into the cylinder by utilizing water inflow; the window gasket connects the outer cylinder opening and the shell of the washing machine so as to isolate the gap between the outer cylinder opening and the shell from the outer cylinder opening; the water outlet of the feeding device is connected with a connecting pipe, the connecting pipe penetrates through the window mat, and the penetrating end of the connecting pipe is provided with a spraying port which sprays water towards the inside of the inner cylinder so as to spray detergent and/or water into the inner cylinder.

Further, the window pad is the annular, is equipped with the mounting hole on the annular wall of window pad, and the connecting pipe passes the mounting hole of window pad, and the connecting pipe will be put in the inside and the inside intercommunication of inner tube of device.

Furthermore, a spray head is installed at the position of the installation hole, the spray head comprises a water inlet end and a water outlet end, the water inlet end is arranged opposite to the water outlet of the feeding device, the water inlet end is sleeved with the end part of the connecting pipe, and the water outlet end of the spray head penetrates through the window gasket and sprays water towards the inner barrel.

Furthermore, the water outlet end of the spray head is provided with an elbow extending in an arc shape, the elbow is provided with a spray opening for spraying detergent and/or water to the inner cylinder, the opening direction of the spray opening and the extending direction of the spray head form a certain included angle, and the spray opening faces the inside of the inner cylinder.

Furthermore, the shower nozzle is a hollow cylinder in inside, and the mounting hole is the cylindrical hole of matching with the shower nozzle periphery, and the diameter in cylindrical hole is less than cylinder outer peripheral diameter, the periphery and the mounting hole lateral wall sealing contact of cylinder.

Furthermore, the shower nozzle is a hollow cone in inside, and the periphery diameter of play water end is less than the periphery diameter of the end of intaking, and the lateral wall of mounting hole is the toper, and the one end opening of mounting hole towards the window pad center is less than the opening towards the window pad outside, mounting hole and shower nozzle periphery wall phase-match sealed installation.

Further, the mounting hole is equipped with towards inside with elbow assorted flexion, the flexion is equipped with uncovered towards the inside of inner tube, and the opening direction that sprays the mouth is the same with the uncovered direction of flexion, and the flexion is greater than the extension of elbow to the inside extension of inner tube.

Furthermore, the spray head is inserted in the mounting hole, a circle of first limiting ribs protruding outwards in the radial direction is arranged at the joint of the elbow and the water outlet end of the spray head, a second limiting rib is arranged at the joint of the bending part and the mounting hole, and the first limiting ribs are in limiting contact with one side of the water inlet end and one side of the inner barrel of the second limiting ribs.

Furthermore, be equipped with the radial outside convex bulge of round edge shower nozzle on the periphery wall of shower nozzle, the mounting hole lateral wall is the protrusion extension that makes progress, and the bulge is towards the protruding extension end spacing contact of play water end one side and mounting hole.

Furthermore, the bottom wall of the feeding device is installed in an inclined mode, the bottom wall is located at the lowest position towards one side of the window mat, the water outlet is arranged at the lowest position, the opening of the water outlet is the same as the opening direction of the inner barrel, the water outlet is arranged opposite to the installation hole, and the two ends of the connecting pipe are connected to the water inlet end of the water outlet and the water inlet end of the spray head respectively.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

1. According to the invention, the water outlet of the feeding device is communicated with the inner barrel, and the detergent and/or water is directly sprayed onto the clothes to be washed in the inner barrel from the water outlet, so that the utilization rate of the detergent is improved, the detergent is prevented from being accumulated at the bottom of the inner barrel, the clothes cleaning ratio is improved, and the user experience is improved.

2. The water outlet end of the spray head is provided with an elbow, the elbow is provided with a spraying port for spraying the washing liquid to the inner barrel, the spraying port is arranged towards the inner barrel and sprays the washing liquid into the inner barrel at a certain impact speed, and the washing liquid washes and washes the clothes in the inner barrel, so that the contact area between the clothes and the washing liquid is increased, and the washing efficiency of the clothes is improved.

3. The throwing device is connected with the window pad through the hose, and the hose guides the washing liquid, reduces the energy loss of the washing liquid in the flowing process, and improves the flow speed.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort. In the drawings:

FIG. 1 is a side view of a launch device and window mat in an embodiment of the invention;

FIG. 2 is a front view of a delivery device and window mat in an embodiment of the invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is a structural view of the head in the embodiment of the present invention.

Description of the main elements in the figures: 1. a delivery device; 10. a water outlet; 100. a window pad; 121. an extension portion; 122. a curved portion; 123. a second limiting rib; 102. a spray head; 131. a water inlet end; 132. bending the pipe; 130. a spray port; 133. a projection; 134. a first limiting rib; 101. and (4) connecting the pipes.

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

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

The embodiment of the invention provides a roller washing machine, which comprises an outer barrel, a window gasket 100 arranged between an opening of the inner barrel and the outer barrel sleeved in the outer barrel and a shell of the washing machine, so as to separate the gap between the opening side of the outer cylinder and the shell from the opening of the outer cylinder, the drum washing machine also comprises a feeding device 1 for feeding the detergent into the inner cylinder by water inlet, the bottom wall of the feeding device 1 is installed in a downward inclination way, a water outlet 10 extending towards the opening direction of the inner cylinder is arranged at the lowest position of the feeding device 1, the water outlet 10 of the feeding device 1 passes through the window pad 100 through a connecting pipe 101 to be communicated with the inside of the inner cylinder, so as to spray the washing liquid into the inner cylinder, the water outlet 10 of the putting device 1 is connected with a connecting pipe 101, the connecting pipe 101 passes through the window gasket 100, the penetrating end of the connecting pipe 101 is provided with a spraying port 130 which sprays water towards the inside of the inner cylinder, so as to spray the washing agent and/or water into the inner cylinder.

In the embodiment of the invention, the window mat 100 is provided with a mounting hole, the water outlet 10 of the putting device 1 is arranged opposite to the mounting hole, the spray head 102 is arranged in the mounting hole, the spray head 102 is provided with a water inlet end 131 and a water outlet end, two ends of the connecting pipe 101 are respectively connected with the water outlet 10 of the putting device 1 and the water inlet end 131 of the spray head 102, so that the interior of the inner cylinder is communicated with the interior of the putting device 1, and the detergent and/or water is conveyed into the inner cylinder of the washing machine. The mounting hole is arranged on one side of the window pad 100 facing the water outlet 10 of the detergent box, so that the distance between the mounting hole and the water outlet 10 is shortened as much as possible, the energy loss of the washing liquid in the flowing process is reduced, and the flow speed is increased, so that the washing liquid is sprayed into the inner barrel at a certain speed.

Through the arrangement, water flow directly enters the inner barrel through the feeding device 1, excessive detergent cannot be left on the outer barrel, the utilization rate of the detergent is improved, the water flow entering the inner barrel has a certain speed, clothes to be washed can be washed, the clothes soaking time is shortened, and the cleaning ratio of the clothes is improved.

Example two

As shown in fig. 1 to 4, the nozzle 102 described in this embodiment is installed on the window mat 100, the window mat 100 is annular, a through installation hole is formed on an annular wall of the window mat 100, the nozzle 102 is installed in the installation hole, two opposite ends of the nozzle 102 are respectively a water inlet end 131 and a water outlet end, the water inlet end 131 extends outward in the radial direction of the window mat 100 and is opposite to the water outlet 10 of the feeding device 1, the water inlet end 131 of the nozzle 102 is sleeved with an end of the hose, and the water outlet end passes through the annular wall of the window mat 100 and is communicated with the inside of the inner barrel to directly deliver the detergent and/or water into the inner barrel, thereby solving the problem that the detergent is attached to the inner wall of the outer barrel, most of the detergent directly contacts with the laundry, and improving the washing ratio of the laundry.

In this embodiment, the water outlet end of the nozzle 102 is provided with an elbow 132 extending in an arc shape, the elbow 132 is provided with a spray opening 130 for spraying detergent and/or water to the inner cylinder, the opening direction of the spray opening 130 and the extending direction of the nozzle 102 form a certain included angle, and the opening of the elbow 132 faces the inside of the inner cylinder. The spraying opening 130 faces the opposite direction of the opening of the inner barrel so as to spray water flow into the inner barrel, the spraying opening 130 and the water inlet are in a certain angle, preferably, the direction of the spraying opening 130 and the extending direction of the water inlet end 131 are in 90 degrees, so that the washing liquid flowing out from the feeding device 1 is sprayed to the clothes to be washed in the inner barrel, the clothes can be washed, the contact area of the clothes and the washing liquid is increased, and the utilization rate of the washing agent and the washing ratio of the clothes are improved.

In this embodiment, the nozzle 102 is a hollow cylinder, the mounting hole is a cylindrical hole matching with the outer circumference of the nozzle 102, the diameter of the cylindrical hole is smaller than the outer circumference of the cylinder, the outer circumference of the cylinder is in sealing contact with the side wall of the mounting hole, and the water speed of the cleaning solution is kept unchanged when the cleaning solution passes through the nozzle 102.

In this embodiment, the nozzle 102 is a hollow cone, the outer diameter of the water outlet end is smaller than the outer diameter of the water inlet end 131, the side wall of the mounting hole is tapered, the opening of the mounting hole facing the center of the window gasket 100 is smaller than the opening facing the outside of the window gasket 100, and the mounting hole is matched with the outer circumferential wall of the nozzle 102 for sealing installation. The washing liquid is sprayed out from the water outlet end in a spraying shape, so that the speed of water flow can be improved, and the washing force of the washing liquid on clothes is increased, so that the clothes are washed and washed.

In this embodiment, shower nozzle 102 is directly inserted into the installation by the mounting hole, and the mounting hole is equipped with towards inside with elbow 132 assorted flexion 122, flexion 122 is equipped with openly towards the inner tube is inside, and the mouth 130 direction that sprays of elbow 132 is the same with the uncovered direction of flexion 122, and the inside extension length of flexion 122 to the inner tube is greater than the extension length of elbow 132, and flexion 122 provides the direction for the washing liquid, makes rivers direct impact to waiting to wash on the clothing, and elbow 132 extension length is less shower nozzle 102 of being convenient for pegs graft the installation. The spray head 102 is inserted in the mounting hole, a circle of first limiting ribs 134 protruding outwards in the radial direction are arranged at the joint of the elbow 132 and the water outlet end of the spray head 102, a second limiting rib 123 is arranged at the joint of the bending portion 122 and the mounting hole, and the first limiting ribs 134 are in limiting contact with one side of the water inlet end 131 and one side of the inner barrel of the second limiting rib 123. The outer peripheral wall of the nozzle 102 is provided with a circle of convex parts 133 which are outwards convex along the radial direction of the nozzle 102, the side wall of the mounting hole is upwards convex and extends, and the convex parts 133 are in limit contact with the convex extending end of the mounting hole towards one side of the water outlet end. The whole spray head 102 is fixed in the mounting hole, and the spray head 102 is prevented from falling off due to vibration in the transportation and washing processes of the washing machine.

EXAMPLE III

The difference between the second embodiment and the second embodiment is that the window pad 100 is directly connected to the feeding device 1 in this embodiment, the window pad 100 is provided with a through mounting hole, the mounting hole extends toward one side of the feeding device 1 along the radial direction of the window pad 100 to form an extending portion 121, one side of the mounting hole facing the inside of the window pad 100 is provided with a bending portion 122, the bending portion 122 is provided with an opening facing the inside of the inner barrel, the opening and the mounting hole form a certain angle, and two ends of the connecting pipe 101 are respectively connected with the water outlet 10 of the feeding device 1 and the extending portion 121 of the mounting hole, so that the washing liquid flowing out of the feeding device 1 is sprayed onto the laundry to be washed in the inner barrel, the laundry can be washed and washed, the contact area between the laundry and the washing liquid is increased, and the utilization rate of the detergent and the laundry washing ratio are improved.

In this embodiment, extension 121 and the connecting pipe 101 detachable of mounting hole are pegged graft fixedly, and the one end that connecting pipe 101 is connected with extension 121 is hard material, and the direct slightly less than the diameter of connecting pipe 101 of mounting hole, connecting pipe 101 insert to the inside of mounting hole, and connecting pipe 101 and the sealed setting of mounting hole junction.

Through the arrangement, parts are reduced, the cost is reduced, and the mounting hole of the window mat 100 is directly connected with the throwing device 1, so that the window mat is convenient to mount.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A drum washing machine comprising:

an outer cylinder;

the inner cylinder is sleeved in the outer cylinder;

the feeding device is used for feeding the detergent into the cylinder by utilizing water inflow;

the window gasket connects the outer cylinder opening and the shell of the washing machine so as to isolate the gap between the outer cylinder opening and the shell from the outer cylinder opening;

the method is characterized in that: the water outlet of the throwing device is connected with a connecting pipe, the connecting pipe penetrates through the window mat, and the penetrating end of the connecting pipe is provided with a spraying port which sprays water towards the inside of the inner cylinder so as to spray detergent and/or water into the inner cylinder;

the window pad is provided with a mounting hole, a spray head is mounted at the mounting hole, the spray head comprises a water outlet end, the water outlet end of the spray head penetrates through the window pad and sprays water into the inner cylinder, the spray head is a cylinder with a hollow inner part, the mounting hole is a cylindrical hole matched with the periphery of the spray head, the diameter of the cylindrical hole is smaller than the diameter of the periphery of the cylinder, and the periphery of the cylinder is in sealing contact with the side wall of the mounting hole;

the play water end of shower nozzle is equipped with the elbow that is the arc and extends, and the mounting hole is equipped with towards inside with elbow assorted flexion, the flexion is equipped with uncovered towards the inside of inner tube, and the opening direction that sprays the mouth is the same with the uncovered direction of flexion, and the flexion is greater than the extension of elbow to the inside extension of inner tube.

2. A drum washing machine according to claim 1, characterized in that: the window pad is annular, is equipped with the mounting hole on the annular wall of window pad, and the connecting pipe passes the mounting hole of window pad, and the connecting pipe will be put in the inside and the inside intercommunication of inner tube of device.

3. A drum washing machine according to claim 1, characterized in that: the shower nozzle still includes the end of intaking, it sets up with the delivery port of input device to intake the end, intakes the end and cup joints with the tip of connecting pipe.

4. A drum washing machine according to claim 3, characterized in that: the elbow is provided with a spraying port for spraying detergent and/or water to the inner barrel, the opening direction of the spraying port and the extension direction of the spray head form a certain included angle, and the spraying port faces the inside of the inner barrel.

5. A drum washing machine according to claim 3, characterized in that: the shower nozzle is a hollow cone in inside, and the periphery diameter of play water end is less than the periphery diameter of intake end, and the lateral wall of mounting hole is the toper, and the one end opening of mounting hole towards window mat center is less than the opening towards the window mat outside, mounting hole and shower nozzle periphery wall phase-match sealing installation.

6. A drum washing machine according to any one of claims 1-5, characterized in that: the shower nozzle is pegged graft in the mounting hole, and the junction of elbow and shower nozzle play water end is equipped with the radial outside convex first spacing muscle of round, and the junction of flexion and mounting hole is equipped with the spacing muscle of second, and the spacing muscle of first spacing muscle towards the one side of intaking the end and the spacing muscle of second towards inner tube one side spacing contact.

7. A drum washing machine according to any one of claims 1-5, characterized in that: the periphery wall of the nozzle is provided with a circle of convex protrusion part which protrudes outwards along the radial direction of the nozzle, the side wall of the mounting hole protrudes upwards to extend, and the protrusion part contacts with the convex extension end of the mounting hole in a limiting way towards one side of the water outlet end.

8. A drum washing machine according to any one of claims 1-5, characterized in that: the diapire slope installation of input device, diapire towards window mat one side is in the extreme low position, and the delivery port setting is in extreme low position department and the opening of delivery port are the same with inner tube opening direction, delivery port and mounting hole set up relatively, and the end of intaking at delivery port and shower nozzle is connected respectively at the both ends of connecting pipe.