CN109652952B - Drum washing machine - Google Patents

Drum washing machine Download PDF

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Publication number
CN109652952B
CN109652952B CN201910100273.6A CN201910100273A CN109652952B CN 109652952 B CN109652952 B CN 109652952B CN 201910100273 A CN201910100273 A CN 201910100273A CN 109652952 B CN109652952 B CN 109652952B
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China
Prior art keywords
water
cylinder
port
washing machine
tripod
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Active
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CN201910100273.6A
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Chinese (zh)
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CN109652952A (en
Inventor
林修鹏
王莹莹
刘振华
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Hisense Shandong Refrigerator Co Ltd
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Hisense Shandong Refrigerator Co Ltd
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Priority to CN201910100273.6A priority Critical patent/CN109652952B/en
Publication of CN109652952A publication Critical patent/CN109652952A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/088Liquid supply arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The invention discloses a drum washing machine, relates to the technical field of clothes washing, and aims to provide a washing machine which can shorten the washing time, reduce the water consumption and improve the user experience degree on the premise of ensuring the washing effect. The drum type washing machine includes the box, sets up interior outer tube assembly in the box, the tripod of being connected with the bottom of inner tube still includes: a water storage channel is arranged in the tripod, a first water spraying hole communicated with the water storage channel is formed in the side wall of the tripod facing the inner cylinder, and a second water spraying hole corresponding to the first water spraying hole is formed in the surface of the inner cylinder facing the cylinder opening; and the water delivery system is used for delivering water in the inner cylinder and outer cylinder assemblies into the water storage channel and spraying the water into the inner cylinder through the first water spraying holes and the second water spraying holes. The drum washing machine of the invention is used for shortening the washing time.

Description

Drum washing machine
Technical Field
The invention relates to the technical field of clothes cleaning, in particular to a drum washing machine.
Background
The washing mode of the prior drum washing machine is designed by simulating the principle that a hammer strikes clothes, the inner drum is rotated by using the mechanical work of the motor, the clothes are continuously lifted and dropped in the inner drum, and then lifted and dropped again to do repeated motion, and the clothes are washed cleanly under the combined action of a washing agent and water.
The existing drum washing machine has the cleaning time of at least one hour, the cleaning time is long, in the washing stage, the detergent is generally required to be fully dissolved in water to fully play a role, the drum washing machine on the market at present adopts a heating device to heat cold water dissolved with the detergent so as to dissolve the detergent in the water, but the heating needs a certain heating time, so that the cleaning time of the whole clothes is increased; in addition, sometimes in order to improve the cleaning effect, the water amount in the inner barrel is increased, and some clothes are soaked in water for a long time, fibers in the clothes swell and then wrinkle, so that the water amount control during cleaning is also the standard for evaluating the performance of the washing machine at present, the excessive water can damage some clothes, and the insufficient water cannot meet the cleaning effect; in the rinsing stage, if the water yield is less or through cold water rinsing, sometimes can remain the detergent that does not rinse off on the clothing, reduce the cleaning performance, in addition, after the clothing washing, can remain detergent or detergent foam on drum type washing machine's the door seals or the door glass, influence user experience comfort level.
Therefore, the design of a drum washing machine which shortens the washing time, reduces the water consumption and ensures the user experience degree on the premise of ensuring the washing effect is a demand to be solved urgently at present.
Disclosure of Invention
The embodiment of the invention provides a drum washing machine, and mainly aims to provide a drum washing machine which can shorten the washing time, reduce the water consumption and improve the user experience degree on the premise of ensuring the washing effect.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
an embodiment of the present invention provides a drum washing machine, including: the box, set up interior outer tube assembly in the box, with the tripod of the bottom connection of inner tube, still include:
a water storage channel is arranged in the tripod, a first water spraying hole communicated with the water storage channel is formed in the side wall of the tripod facing the inner cylinder, and a second water spraying hole corresponding to the first water spraying hole is formed in the surface of the inner cylinder facing the cylinder opening;
and the water delivery system is used for delivering water in the inner and outer cylinder assemblies into the water storage channel and spraying the water into the inner cylinder through the first water spraying holes and the second water spraying holes.
According to the drum washing machine provided by the embodiment of the invention, the water storage channel is formed in the tripod, the tripod is provided with the first water spraying holes, the surface of the inner cylinder facing the cylinder opening is provided with the second water spraying holes, water in the inner and outer cylinder assemblies can be conveyed into the water storage channel through the water conveying system, and then the water is sprayed into the inner cylinder through the first water spraying holes and the second water spraying holes in sequence so as to spray and wash clothes in the inner cylinder; the washing liquid can be more fully dissolved in water through spraying and cleaning, and the activity of the washing agent is fully exerted; the water sprayed into the inner barrel can wash away the detergent adhered to the clothes, the detergent remained on the door seal and the door glass, even the foam, so that the clothes can not remain the detergent after the clothes are washed by the washing machine, and the drum door is clean and pollution-free; in addition, under the condition that the water amount is less, the clothes can be wetted by a spraying mode, and the clothes can be effectively cleaned, so that the water and detergent can be saved.
Drawings
Fig. 1 is a schematic structural diagram of a drum washing machine according to an embodiment of the present invention;
FIG. 2 is a view taken along line A of FIG. 1;
FIG. 3 is a partial schematic view of a drum washing machine according to an embodiment of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at B;
fig. 5 is a schematic structural diagram of a lifting rib according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating an operating state of a drum washing machine according to an embodiment of the present invention.
Detailed Description
The drum washing machine according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, an embodiment of the present invention provides a drum washing machine, including a box 1, an inner and outer cylinder assembly 2 (including an inner cylinder and an outer cylinder) disposed in the box 1, and a tripod 3 connected to the bottom of the inner cylinder 22, referring to fig. 2, 3 and 4, a water storage channel 31 is disposed in the tripod 3, a first water spraying hole 32 communicated with the water storage channel 31 is disposed on a side wall of the tripod 3 facing the inner cylinder 22, and a second water spraying hole 221 corresponding to the first water spraying hole 32 is disposed on a surface of the inner cylinder 22 facing a cylinder opening; and the water conveying system 5 is further included, and the water conveying system 5 is used for conveying water in the inner cylinder and outer cylinder assemblies 2 into the water storage channel 31 and spraying the water into the inner cylinder 22 through the first water spraying holes 32 and the second water spraying holes 221.
During specific cleaning, the tripod 3 and the inner cylinder 22 rotate synchronously to lift the clothes 11 for beating and cleaning, meanwhile, the water conveying system 5 conveys water in the inner cylinder and outer cylinder assemblies 2 into the water storage channel 31, the water is sprayed in the inner cylinder 22 sequentially through the first water spraying holes 32 and the second water spraying holes 221, so that the clothes 11 which are positioned in the inner cylinder 22 and rotate are sprayed and cleaned, the water in the inner cylinder and outer cylinder assemblies 2 is continuously returned to the water storage channel 31 through the water conveying system 5, then is sprayed into the inner cylinder 22, and is conveyed to the water storage channel 31 through the water conveying system 5, and a circulating water path is formed; compared with the independent beating cleaning, the cleaning mode combining the spraying cleaning and the beating cleaning can effectively shorten the cleaning time and meet the requirement of short washing time of a user on the premise of ensuring the cleaning effect.
In addition, the technical effects achieved by spray cleaning also include the following analysis from the washing stage and the rinsing stage respectively:
a washing stage: compared with the prior art that the detergent is dissolved in the water to improve the cleaning effect by specially adopting a heating mode, a special heating program is not needed, so that a special heating device is not needed, the manufacturing cost is reduced, the time required by heating is saved, the cleaning time of the whole clothes is reduced, and the clothes are prevented from fading by the water with a certain temperature; in the clothes washing process, part of clothes are in a suspended and unfolded state, when the clothes in the unfolded state are sprayed, the washing area is increased, dead corners of the clothes are washed to the greatest extent, and the washing effect is finally improved; when the water amount in the inner and outer cylinder assemblies 2 is small, if a beating cleaning mode is independently adopted, the cleaning effect is not ideal, but the spraying and beating are combined, so that clothes can be fully wetted, and the cleaning effect is improved; the fibers of some clothes are swelled when soaked for a long time, and the wrinkles are generated after the clothes are washed, so that the requirement on water quantity is high, namely the water level in the inner barrel cannot be too high, but the washing effect is also required to be achieved, namely when the improved drum washing machine is adopted, the water level can be set to be low, the clothes cannot be soaked in water excessively, and meanwhile, the spraying mode and the beating mode are adopted to act together, so that the clothes can be effectively washed under the condition of low water level, particularly, the clothes are prevented from being wrinkled, and the clothes are protected; and fifthly, when the quick washing program is adopted, beating washing is assisted through spraying washing, and the phenomenon that washing is not clean is avoided.
And (3) rinsing: due to the difference between the structures of the drum washing machine and the pulsator washing machine, when clothes are washed, referring to fig. 1, washing liquid is easily splashed onto door glass 101 and door seal 102 of a drum door 10, and then foam is easily remained on the door glass 101 and the door seal 102, when the drum washing machine provided by the embodiment is adopted for washing, water sprayed towards a drum opening can be sprayed onto the door glass 101 and the door seal 102 to wash away the remained foam, after the clothes are washed, the inner side of the drum door 10 can be kept in a clean and pollution-free state, and the comfort level of user experience is improved; secondly, in the rinsing process of the clothes, water is sprayed on the clothes in the unfolded state, so that the phenomenon of detergent marking on the clothes can be avoided, and the rinsing effect of the clothes is improved; compared with the independent beating rinsing mode and the rinsing mode combining spray rinsing and beating rinsing, the rinsing method has the advantages that the rinsing time can be shortened on the premise of guaranteeing the rinsing effect, and finally the cleaning time of the whole clothes is reduced.
The drum type washing machine that this embodiment provided is the structural improvement of make full use of, in order to reach and shorten the cleaning time, water conservation and electricity, improve the purpose of cleaning performance, wash black technique (under cold water washing state, the rhythm and the intensity change of inverter motor when washing, it reaches 45 ~ 200 revolutions per minute to realize the inner tube rotational speed, make multiple rivers effect, so that rivers continuously erode the clothing) and compare, performance parameter requirement greatly reduced to the motor, and then reduce manufacturing cost, and can prevent the destruction to the clothing that has flexibility when the inner tube is high-speed rotatory.
In order to fully utilize the structure in the existing drum washing machine to simplify the whole structure, referring to fig. 3, a rotating shaft 4 for driving the tripod 3 and the inner cylinder 22 to rotate synchronously is installed on the tripod 3, a water channel 41 is formed in the rotating shaft 4, the water channel 41 is communicated with the water storage channel 31, and the water outlet end of the water delivery system 5 is communicated with one end of the water channel 41 far away from the tripod 3. Set up water course 41 in rotation axis 4, just so make full use of the structure in the current drum type washing machine, avoid setting up water course 41 specially again and increase spare part quantity, the phenomenon of complicated washing machine structure, and because tripod 3 and inner tube 22 carry out rotary motion in the cleaning process, if set up the water pipe alone and hold water passageway 31 intercommunication in the tripod 3, when wasing, the water pipe can take place the distortion along with the rotation of tripod 3 and inner tube 22, the phenomenon that finally appears leaking, so adopt hollow structure's rotation axis 4 to be preferred scheme.
When rotation axis 4 rotated, can drive tripod 3 and inner tube 22 synchronous revolution, during rivers were through water course 41 and retaining passageway 31, can also take place rotary motion in its runner under rotation axis 4 and tripod 3's rotation effect, can be like this with water in the washing liquid and detergent under the revolving force effect, more abundant dissolving mixes, compare the washing liquid and be in steady flow state, can further improve the dirt-removing power of washing liquid.
Usually, the rotating shaft 4 is located in the middle of the box 1, the liquid inlet end of the water delivery system 5 is located in the lower portion of the box 1, and certain energy is consumed in the process that fluid is delivered from the lower portion to the higher portion, so compared with the process that cleaning fluid at the lower portion is delivered to the upper portion of the box 1, the conveying resistance is reduced, and the fact that the cleaning fluid has certain pressure in the spraying process is guaranteed.
Tripod 3 has three support arm, all have retaining passageway 31 in any support arm, the three retaining passageway 31 of formation is linked together, and communicate with water course 41, and each retaining passageway 31 extends along the extending direction of corresponding support arm, a plurality of first hole for water spraying 32 have all been seted up on each support arm, because a plurality of support arms are laid along different directions in the bottom of inner tube 22, refer to fig. 2, just can set up a plurality of second hole for water spraying 221 in the three direction of the bottom surface of inner tube 22, when inner tube 22 rotated, 360 no dead angle developments rotation sprays, not only improve user visual impact, it is most important to have realized the omnidirectional and have sprayed, the cleaning performance has been improved.
In some embodiments, the water channel 41 extends along the axial direction of the rotating shaft 4, so that the design not only makes full use of the spatial position in the rotating shaft 4, but also can effectively reduce the flow resistance of the cleaning solution in the water channel 41.
The second water spray holes 221 may be sprayed in a direction away from the central axis of the inner tube 22, and when all the second water spray holes 221 are sprayed in a direction towards the central axis of the inner tube 22, all the cleaning liquid sprayed from the second water spray holes 221 may be collected in the central region of the inner tube 22, which may result in a smaller spraying area and affect the cleaning effect, and further, referring to fig. 4, the spraying direction of the second water spray holes 221 may be away from the central axis of the inner tube 22, and all the cleaning liquid sprayed from the second water spray holes 221 may be dispersed in each region of the inner tube 22, which may increase the spraying area and improve the cleaning effect compared with the cleaning liquid collected in the central region of the inner tube 22, so that it is preferable that the second water spray holes 221 are directed away from the central axis of the inner tube 22. However, the second water jet hole 221 can be oriented in any direction, and the present invention does not limit the orientation of the second water jet hole 221, and any direction is within the scope of the present invention.
In one embodiment, a nozzle may be installed on the first nozzle hole 32 and extend into the second nozzle hole 221, that is, the nozzle connects the first nozzle hole 32 and the second nozzle hole 221. In order to further improve the spraying effect, the water spray nozzles are multi-way nozzles, and the multi-way nozzles can face different directions of the inner cylinder 22, so that the spraying area is further enlarged compared with a single-way nozzle.
To prevent the water jet nozzle from contacting the laundry and damaging the rotating laundry, the front end of the water jet nozzle is flush with the port of the second water jet hole 221 facing the inside of the drum.
Referring to fig. 1, a hollow lifting rib 9 is disposed on an inner wall of the inner cylinder 22, and referring to fig. 5, the lifting rib 9 has a mounting surface 91 connected to the inner cylinder 22 and a water outlet surface 92 opposite to the mounting surface 91, the water outlet surface 92 is provided with a water outlet hole 93, and the mounting surface 91 is also provided with a water inlet hole. When concrete washing, the washing liquid in the cavity can get into in promoting muscle 9 through the inlet opening between inner tube 22 and the urceolus 21, and when inner tube 22 was rotatory, the promotion muscle 9 of depositing the washing liquid can be along with inner tube 22 synchronous revolution, when promoting muscle 9 rotatory to the surface of water 92 down, water can be followed apopore 93 and drenched to can sprinkle on the clothing, the water that sprinkles through apopore 93 can carry out less intensity's washing to the clothing equally.
Referring to fig. 6, when the drum washing machine washes the laundry, on one hand, the laundry 11 is beaten and washed during the rotation of the inner drum, and on the other hand, the laundry 11 is sprayed and washed by the washing liquid sprayed from the second water spraying holes 221.
Referring to fig. 1, the water delivery system 5 includes a pressurizing device 51 and a water delivery pipe 52, an inlet of the pressurizing device 51 is communicated with the bottom of the outer cylinder 21, an outlet of the pressurizing device 51 is communicated with one end of the water delivery pipe 52, and the other end of the water delivery pipe 52 is communicated with the water channel 41. After the cleaning liquid flowing out from the water outlet of the outer cylinder 22 flows through the pressurizing device 51, the pressure of water is increased under the action of the pressurizing device 51, and the cleaning liquid sprayed into the inner cylinder 22 from the second water spraying holes 221 is high-pressure water, so that when the high-pressure water acts on the clothes, the high-pressure water generates a large impact force on the clothes, the cleaning effect is further improved, and meanwhile, residues on the inner side of the drum door 10 can be washed clean by the strong impact force.
The booster device 51 is exemplified as a booster pump, and the booster device 51 may have another booster structure.
In order to ensure that the waste water in the inner and outer cylinder assemblies 2 is discharged out of the machine by the aid of the supercharging device 51 serving as a drainage pump when the drum washing machine drains water, so that a drainage function is completed, referring to fig. 1, the diverter valve 7 is installed at an outlet of the supercharging device 51, the diverter valve 7 comprises a first port, a second port and a third port, the first port is communicated with the outlet of the supercharging device 51, the second port is communicated with the drainage pipe 8, the drainage pipe 8 is used for discharging water in the inner and outer cylinder assemblies 2, the third port is communicated with the water conveying pipe 52 of the water conveying system 5, when clothes are washed, the third port is opened, the second port is closed, when the waste water is drained, the second port is opened, and the third port is closed. Thus, the double functions of the supercharging device 51 are realized, namely, the supercharging device is used as a drainage pump and a supercharging pump of sprayed water, two operations are realized through one pump, and compared with the two pumps, the number of parts of the drum washing machine is reduced, the manufacturing cost is reduced, and the failure rate is also reduced.
In an example, the flow dividing valve 7 is a three-way valve, and the three-way valve is an electric control valve, and the electric control valve is connected with a control system in the drum washing machine, so that automatic switching between spray cleaning and sewage discharge is realized.
When clothes are cleaned, the first port and the third port of the flow divider 7 are opened, the second port is closed, the inner cylinder 22 rotates, water in the inner and outer cylinder assembly 2 flows to the supercharging device 51 through the water outlet of the outer cylinder 21, after supercharging is carried out by the supercharging device 51, water with certain pressure passes through the water pipe 52, then sequentially flows through the water channel 41, the water storage channel 31 and the first water spraying hole 32, and finally is sprayed onto clothes in the inner cylinder, the door glass 101 of the drum door 10 and the door seal 102 through the second water spraying hole 221; when the clothes washing is completed, the second port of the flow dividing valve 7 is opened, the third port is closed, the washing liquid in the outer cylinder assembly 2 flows to the supercharging device 51 through the water outlet of the outer cylinder 21, and after the washing liquid is supercharged by the supercharging device 51, the water with certain pressure is discharged out of the washing machine through the water discharge pipe 8.
The drum washing machine provided by the embodiment has the advantages that on the basis of simplifying the structure of the washing machine as much as possible, the spraying cleaning and the sewage discharge are independent and do not interfere with each other.
In order to prevent the cleaning liquid containing the thread scraps or the impurities from being circulated into the inner cylinder 22, referring to fig. 1, a filtering structure 6 is provided between the water outlet of the outer cylinder 21 and the supercharging device 51, and the impurities such as the thread scraps in the discharged cleaning liquid are filtered by the filtering structure 6, so that the technical effects achieved by the following steps are: 1. the sundries such as thread scraps are prevented from entering the supercharging device 51 to damage the supercharging device 51; 2. the cleaning liquid mixed with impurities is prevented from being sprayed into the inner barrel again, so that secondary pollution to clothes is prevented; 3. the cleaning liquid is prevented from blocking the water spraying holes to influence the spraying and cleaning effects when the cleaning liquid flows through the water conveying pipe, the first water spraying holes and the second water spraying holes; 4. in the continuous circulation process of the cleaning liquid, the cleaning liquid is continuously filtered, so that the cleaning liquid in the inner and outer cylinder assemblies can constantly keep impurities such as wireless scraps, and compared with the existing non-circulating cleaning liquid, the cleanliness of the cleaning liquid can be improved.
The structure of the filter structure 6 has a variety of: for example, the filtering structure 6 includes a filtering cavity, a water inlet of the filtering cavity is communicated with a water outlet of the outer cylinder 21, a water outlet of the filtering cavity is communicated with an inlet of the pressurizing device 51, and a filtering net is arranged in the filtering cavity, so that the filtering net can be cleaned conveniently and is detachably mounted in the filtering cavity; for another example, the filter structure 6 includes a filter net installed at the drain port of the outer tub 21 and the filter net is detachable, which is simple and easy to manufacture. The present invention is not limited to the specific structure of the filtering structure 6, and any structure is within the protection scope of the present invention.
The water pipe 52 may be a hose or a hard pipe, and the material of the water pipe 52 is not limited herein.
The water pipe 52 has various structures, for example, the water pipe 52 is a reducer pipe, i.e. the closer to the water channel 41, the smaller the inner diameter of the water pipe 52, so that the flow speed can be gradually increased along with the reduction of the pipe diameter in the process that the cleaning liquid flows in the water pipe 52, thereby increasing the impact force sprayed on the clothes and improving the cleaning strength; for another example, the water pipe 52 is a pipe with a fixed inner diameter value, and the present invention is preferably a reducer pipe.
When the washing machine washes clothes, the washing machine may vibrate under the vibration of the motor, and in order to enhance the stability of the water pipe 52, referring to fig. 3, the water pipe 52 may be fixed on the outer tub 21 by the bracket 53, and the structure and material of the bracket 53 are not limited in the present invention.
In some embodiments, in order to fully utilize the effective space in the cabinet 1, the water pipe 52 is located between the inner wall of the cabinet 1 and the outer tub 21, and the water pipe 52 cannot be close to the driving motor as much as possible, because the closer to the driving motor, the greater the vibration, the greater the noise of the washing machine, so an isolation structure may be provided between the water pipe 52 and the driving motor.
The drum washing machine further includes a driving device for driving the inner tub 22 to rotate, wherein the driving device includes: driving motor installs the action wheel on driving motor's the output shaft, and the rotation axis 4 is kept away from the tip of tripod 3 and is installed from the driving wheel, and the action wheel passes through the drive belt with following the driving wheel and is connected. When the driving motor is started, an output shaft of the driving motor drives the driving wheel to rotate, the driven wheel and the rotating shaft are driven to rotate through the driving belt, and finally the tripod main body and the inner cylinder are driven to synchronously rotate. The drive motor may be a variable frequency motor.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (6)

1. A drum washing machine comprising: the box, set up interior outer tube assembly in the box, the tripod of being connected with the bottom of inner tube, its characterized in that still includes:
a water storage channel is arranged in the tripod, a first water spraying hole communicated with the water storage channel is formed in the side wall of the tripod facing the inner cylinder, and a second water spraying hole corresponding to the first water spraying hole is formed in the surface of the inner cylinder facing the cylinder opening;
the water conveying system is used for conveying water in the inner cylinder and outer cylinder assemblies into the water storage channel and spraying the water into the inner cylinder through the first water spraying holes and the second water spraying holes;
the tripod comprises three support arms, and the three support arms are internally provided with the water storage channel;
the first water spraying holes and the second water spraying holes are provided with a plurality of water spraying holes, the first water spraying holes are distributed along the extending direction of each support arm, and the positions of the first water spraying holes correspond to the positions of the second water spraying holes;
the spraying direction of the second water spraying holes is far away from the central axis of the inner cylinder;
the inner cylinder is internally provided with a lifting rib with a hollow structure, the lifting rib is provided with a mounting surface connected with the inner cylinder and a water outlet surface opposite to the mounting surface, the water outlet surface is provided with a water outlet, and the mounting surface is provided with a water inlet.
2. A drum washing machine according to claim 1, characterized in that a rotating shaft for driving the tripod and the inner drum to rotate synchronously is mounted on the tripod, a water channel extending along the axial direction of the rotating shaft is formed in the rotating shaft, the water channel is communicated with the water storage channel, and a water outlet end of the water delivery system is communicated with one end of the water channel far away from the tripod.
3. A drum washing machine according to claim 1, characterized in that the water storage channel extends along the extension direction of the arm.
4. A drum washing machine according to claim 2, characterized in that the water delivery system comprises a pressurizing device and a water delivery pipe, wherein the inlet of the pressurizing device is communicated with the bottom of the outer drum, the outlet of the pressurizing device is communicated with one end of the water delivery pipe, and the other end of the water delivery pipe is communicated with the water channel.
5. A drum washing machine according to claim 4, characterized in that a diverter valve is installed at an outlet of the supercharging device, the diverter valve comprises a first port, a second port and a third port, the first port is communicated with the outlet of the supercharging device, the second port is communicated with a drain pipe, the drain pipe is used for discharging water in the inner and outer drum assemblies, the third port is communicated with the water conveying pipe, when the first port and the second port are opened, the third port is closed, and when the first port and the third port are opened, the second port is closed.
6. A drum washing machine according to claim 4, characterized in that a filtering structure is arranged between the outer drum and the supercharging device.
CN201910100273.6A 2019-01-31 2019-01-31 Drum washing machine Active CN109652952B (en)

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CN109652952B true CN109652952B (en) 2021-08-27

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Publication number Priority date Publication date Assignee Title
WO2020238611A1 (en) * 2019-05-28 2020-12-03 青岛海尔滚筒洗衣机有限公司 Washing machine

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