CN112111909A - Drum washing machine - Google Patents
Drum washing machine Download PDFInfo
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- CN112111909A CN112111909A CN201910531445.5A CN201910531445A CN112111909A CN 112111909 A CN112111909 A CN 112111909A CN 201910531445 A CN201910531445 A CN 201910531445A CN 112111909 A CN112111909 A CN 112111909A
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- inner cylinder
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis
- D06F23/025—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis with a rotatable imperforate tub
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
- D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
- D06F37/065—Ribs, lifters, or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The present invention provides a drum washing machine, comprising: an inner cylinder having a washing chamber capable of independently containing washing water; the inner cylinder water outlet is arranged on the inner cylinder; the drainage sealing device is arranged on the drainage port of the inner cylinder and controls the opening and the closing of the drainage sealing device; the water collecting device is provided with a water collecting chamber for collecting the washing water discharged from the water outlet of the inner cylinder. The drum washing machine adopts the structural design of the imporous inner drum, the inner drum independently holds washing water during washing, no water exists between the inner drum and the outer drum, the possibility of dirt adhesion between the inner drum and the outer drum is avoided, the user health and the user experience are greatly improved, meanwhile, aiming at the structural characteristics of the imporous inner drum, no dewatering hole is arranged on the drum wall of the inner drum, only a fixed inner drum water outlet is arranged, the drainage of the inner drum water outlet is collected by arranging a water collecting device, the drainage and collection of the washing water in the inner drum are realized, then the washing water is discharged by the water collecting device, and the outer drum arranged outside the existing inner drum can be eliminated.
Description
Technical Field
The invention relates to the technical field of laundry equipment, in particular to a drum washing machine.
Background
The washing machine is used as a household appliance which is widely used in daily life of people, helps people get rid of the trouble of washing clothes, and brings great convenience to people. However, the existing washing machine generally comprises an inner cylinder and an outer cylinder, a plurality of dewatering holes are distributed on the wall of the inner cylinder, and in the washing process, the washing water between the inner cylinder and the outer cylinder cannot be utilized, so that the waste of the part of the washing water is caused, and the dirt generated in the washing process can be accumulated along with the water flow entering between the inner cylinder and the outer cylinder, and along with the long-time use, the accumulation of the dirt can influence the washing effect and reduce the use experience of users.
In order to solve the water-saving problem of the washing machine, some patents are also proposed at present, for example, patent No. 201410215346.3, which is named as a Chinese invention patent of a drum washing machine, and the invention relates to a drum washing machine, which comprises a box body, wherein an inner cylinder and an outer cylinder are arranged in the box body, a door seal is arranged between the outer cylinder and the box body, the inner cylinder is connected with a driving device, the inner cylinder is a non-porous inner cylinder, the inner cylinder is a conical cylinder with a small diameter at the cylinder bottom and a large diameter at the cylinder opening, the cylinder opening of the inner cylinder is inwards folded in an arc shape, a water inlet guide pipe is arranged on the door seal, one end of the water inlet guide pipe is connected with a washing water rapid heating device, the other end of the water inlet guide pipe penetrates through the door seal. According to the technical scheme, the inner cylinder is a non-porous inner cylinder, water is fed into the inner cylinder through the water inlet guide pipe arranged on the door seal, and water is drained in the dehydration process through the shape of the inner cylinder, so that water can be prevented from being stored between the inner cylinder and the outer cylinder, and the water consumption for washing is greatly saved.
The invention provides a drum washing machine with a non-porous inner drum, which solves the problems of water storage waste between the inner drum and the outer drum and dirt accumulation between the inner drum and the outer drum, but the inner drum of the existing drum washing machine is only designed into the non-porous structure, the practical significance is very small, and as the inner drum needs to rotate for washing, dewatering and water filling, how to realize the drainage of the washing machine with the non-porous inner drum becomes the first difficult problem of the non-porous inner drum.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
In order to solve the above problems, the present invention provides a drum washing machine, specifically, the following technical solutions are adopted:
a drum washing machine comprising:
an inner cylinder having a washing chamber capable of independently containing washing water;
the inner cylinder water outlet is arranged on the inner cylinder;
the drainage sealing device is arranged on the drainage port of the inner cylinder and controls the opening and the closing of the drainage sealing device;
the water collecting device is provided with a water collecting chamber for collecting the washing water discharged from the water outlet of the inner cylinder.
Furthermore, the water collecting device comprises an annular body, the annular body is positioned on the periphery of the inner cylinder and is coaxially arranged with the inner cylinder, an annular water collecting cavity is formed in the annular body, and the water outlet of the inner cylinder is communicated with the annular water collecting cavity.
Furthermore, an annular opening communicated with the annular water collecting cavity is formed in the annular body, a water drainage channel is arranged on the wall of the inner cylinder, one end of the water drainage channel is communicated with a water outlet of the inner cylinder, and the other end of the water drainage channel is inserted into the annular water collecting cavity through the annular opening; preferably, the drainage channel is arranged on the inner side wall of the inner cylinder or the outer side wall of the inner cylinder.
The annular body comprises an annular side wall, an annular front end wall and an annular rear end wall, the annular side wall is arranged around the peripheral wall of the inner barrel in a circle, one end of the annular front end wall is connected with one end, close to the opening side of the inner barrel, of the annular side wall, the other end of the annular front end wall extends towards the inner barrel side along the radial direction of the inner barrel, one end of the annular rear end wall is connected with one end, close to the bottom side of the inner barrel, of the annular side wall, and the other end of the annular rear end wall extends towards the inner;
an inner cylinder water outlet is arranged in the area between the cylinder opening and the annular body and/or the area between the cylinder bottom and the annular body on the side wall of the inner cylinder, and an annular opening is formed by arranging the annular front end wall and/or the annular rear end wall and the peripheral wall of the inner cylinder at intervals.
Furthermore, an inner cylinder water outlet is arranged on the side wall of the inner cylinder in the area between the cylinder opening and the annular body, and the annular front end wall and the peripheral wall of the inner cylinder are arranged at intervals to form an annular opening; the annular rear end wall is connected with the outer peripheral wall of the inner barrel in a rotating and sealing mode.
The annular body comprises an annular outer side wall, an annular inner side wall, an annular front end wall and an annular rear end wall, the annular outer side wall and the annular inner side wall are arranged around the peripheral wall of the inner barrel in a circle respectively, the annular outer side wall is positioned on the periphery of the annular inner side wall, one end of the annular front end wall is connected with one end, close to the barrel mouth side, of the annular outer side wall, the other end of the annular front end wall is connected with one end, close to the barrel mouth side, of the annular inner side wall, one end of the annular rear end wall is connected with one end, close to the barrel bottom side, of the annular outer side;
an inner cylinder water outlet is arranged in the area between the cylinder opening and the annular body and/or the area between the cylinder bottom and the annular body on the side wall of the inner cylinder, and the annular opening is formed in the annular front end wall and/or the annular rear end wall.
Furthermore, a plurality of inner cylinder water outlets are arranged on the peripheral wall of the inner cylinder, and all the inner cylinder water outlets are positioned on or approximately positioned on the same circumference; an annular opening communicated with the annular water collecting cavity is formed in one side, close to the inner cylinder, of the annular body, and the annular opening surrounds all water outlets of the inner cylinder.
The annular body comprises an annular side wall, an annular front end wall and an annular rear end wall, the annular side wall is arranged around the peripheral wall of the inner barrel in a circle, one end of the annular front end wall is connected with one end, close to the opening side of the inner barrel, of the annular side wall, the other end of the annular front end wall extends towards the inner barrel side along the radial direction of the inner barrel, one end of the annular rear end wall is connected with one end, close to the bottom side of the inner barrel, of the annular side wall, and the other end of the annular rear end wall extends towards the inner;
an annular opening is formed by an opening between one side of the annular front end wall close to the inner cylinder and one side of the annular rear end wall close to the inner cylinder.
Further, the annular front end wall and the annular rear end wall are respectively connected with the outer peripheral wall of the inner barrel in a rotating and sealing mode.
The mounting disc is arranged at the bottom of the cylinder bottom of the inner cylinder;
preferably, the drum washing machine further comprises a driving motor mounted on the mounting plate;
preferably, the water collecting device is fixed on the mounting plate through a connecting piece, or the water collecting device and the mounting plate are integrally formed.
The drum washing machine adopts the structural design of the imporous inner drum, the inner drum independently holds washing water during washing, no water exists between the inner drum and the outer drum, the possibility of dirt adhesion between the inner drum and the outer drum is avoided, the health and the user experience of a user are greatly improved, and water resources are greatly saved.
The drum washing machine of the invention aims at the structural characteristics of the imporous inner drum, no dehydration hole is arranged on the wall of the inner drum, only the fixed inner drum water outlet is arranged, and the water collecting device is arranged to collect the water drained from the inner drum water outlet, thereby realizing the drainage and collection of the washing water in the inner drum, and then the water collecting device discharges the washing water. In addition, for the washing machine with the shell of the same size specification, the design of the outer cylinder is cancelled, so that the volume of the inner cylinder can be properly increased, more clothes can be washed, and the purpose of capacity expansion is realized.
Drawings
FIG. 1 is a sectional view of a drum washing machine according to an embodiment of the present invention (embodiment one);
fig. 2 is a sectional view of a drum washing machine according to an embodiment of the present invention (embodiment two).
Detailed Description
A drum washing machine according to the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1-2, the present embodiment provides a drum washing machine with a non-porous inner drum front opening structure, which has a simple structure, and can greatly reduce the amount of washing water of the washing machine without filling washing/rinsing water between the inner drum and the outer drum. The possibility of dirt adhesion between the inner cylinder and the outer cylinder is avoided. The user health and user experience are greatly improved, and water resources are greatly saved.
The drum washing machine of the present embodiment has a housing 1, and the housing 1 includes: a top deck 3, a front deck, a back deck and a bottom deck. The bottom plate is provided with feet for supporting the whole washing machine. The inner drum 8 rotates inside the housing 1, preferably with lifting ribs 11, which are continuously lifted and dropped to beat the laundry, so as to wash the laundry. The inner drum 8 is of imperforate construction and an inner drum shaft 20, which is fixedly connected to the inner drum 8, passes through the illustrated bearing 19 and is connected to a drive motor 23. An openable/closable inner cylinder door 9 is installed on a front cylinder opening of the inner cylinder 8, thereby realizing that the inner cylinder 8 is of a sealed cabin structure.
The housing 1 of the present embodiment is provided with an openable/closable door 7.
Further, in order to realize the drainage of the imperforate inner cylinder, the drum washing machine of the embodiment comprises:
an inner cylinder 8 having a washing chamber capable of independently containing washing water;
an inner cylinder water outlet 16 arranged on the inner cylinder 8;
a drainage sealing device which is arranged on the inner cylinder drainage port 16 and controls the opening and the closing of the drainage sealing device;
the water collecting device 6 is provided with a water collecting chamber for collecting the washing water discharged from the water outlet 16 of the inner drum.
The drum washing machine of the embodiment aims at the structural characteristics of the imporous inner drum, no dehydration hole is arranged on the wall of the inner drum, only the fixed inner drum water outlet 16 is arranged, and the drainage of the water collecting device 6 aiming at the inner drum water outlet 16 is collected, so that the drainage and collection of the washing water in the inner drum 8 are realized, and then the washing water is discharged by the water collecting device 6, the outer drum arranged outside the existing inner drum can be eliminated, the possibility of dirt collection between the inner drum and the outer drum is fundamentally avoided, and water conservation is realized. In addition, for the washing machine with the shell of the same size specification, the design of the outer cylinder is cancelled, so that the volume of the inner cylinder can be properly increased, more clothes can be washed, and the purpose of capacity expansion is realized.
The drain sealing device of this embodiment includes:
a centrifugal member 12 for generating a centrifugal motion by a centrifugal force;
a sealing plunger 15 for plugging the inner cylinder water outlet 16;
the centrifugal piece 12 moves centrifugally to drive the sealing plunger 15 to move to open the inner cylinder water outlet 16.
Preferably, the drainage sealing device is arranged in the lifting rib 11, the lifting rib 11 is provided with a plurality of spraying holes 10 for washing water to enter, and the lifting rib 11 is provided with a plunger through hole for sealing the plunger 15 to penetrate out of the accommodating chamber.
The sealing plunger 15 of the present embodiment includes a sealing post and a sealing plug, the sealing post is sleeved with an elastic member 13 for providing an elastic force for the resetting of the sealing plug, and the elastic member 13 is a spring.
The control method of the drum washing machine of the embodiment comprises the following steps: in the washing process of the washing machine, the rotating speed of the inner cylinder is controlled to reach or exceed the set rotating speed N0, the centrifugal piece 12 is subjected to centrifugal force to generate centrifugal motion, and the sealing plunger 15 is driven to open the water outlet 16 of the inner cylinder to drain water from the inner cylinder.
As an implementation manner of this embodiment, after the washing machine performs the washing procedure or the rinsing procedure, the rotation speed of the inner drum is controlled to reach the first rotation speed N1 and is maintained for a set time t1, where N1 is greater than or equal to N0, and N0 is greater than the rotation speed of the inner drum in the washing procedure or the rinsing procedure; when the rotation time of the inner cylinder keeping rotating speed N1 reaches t1, controlling the inner cylinder to stop rotating and entering the next procedure;
further, the washing machine performs a spinning course in which the minimum spinning speed N2 is equal to or greater than N0.
According to the drainage process of the inner cylinder 8, the inner cylinder 8 needs to rotate at a high speed to realize centrifugal drainage, and in order to collect water drained from the inner cylinder drainage port 16, the water collection device 6 in the embodiment includes an annular body, the annular body is located at the periphery of the inner cylinder 8 and is coaxial with the inner cylinder 8, an annular water collection chamber 28 is arranged inside the annular body, and the inner cylinder drainage port 16 is communicated with the annular water collection chamber 28.
The water collecting device 6 of the present embodiment has an annular water collecting chamber 28, so that water discharged from the water discharge port 16 of the inner drum can be surely discharged to the annular water collecting chamber 28 to be collected regardless of the position to which the inner drum 8 is rotated.
In order to discharge the water discharged from the inner cylinder water outlet 16 into the annular water collecting chamber 28, as shown in fig. 1, the annular body of the present embodiment is provided with an annular opening 27 communicating with the annular water collecting chamber, the cylindrical wall of the inner cylinder 8 is provided with a water discharge passage 14, one end of the water discharge passage 14 is communicated with the inner cylinder water outlet 16, and the other end is inserted into the annular water collecting chamber 28 through the annular opening 27. Preferably, the drainage channel 14 is disposed on the inner sidewall of the inner cylinder 8 or the outer sidewall of the inner cylinder 8.
The present embodiment allows water centrifugally drained from the inner drum to be better collected in the annular water collection chamber 28 of the water collection device by providing a drainage channel 14 in the wall of the inner drum for guiding water drained from the drain opening 16 of the inner drum into the water collection device.
Specifically, the annular body of the embodiment includes an annular side wall, an annular front end wall and an annular rear end wall, the annular side wall is disposed around the inner cylinder peripheral wall, one end of the annular front end wall is connected to one end of the annular side wall close to the cylinder opening side of the inner cylinder, the other end extends to the inner cylinder side along the radial direction of the inner cylinder, one end of the annular rear end wall is connected to one end of the annular side wall close to the cylinder bottom side of the inner cylinder, and the other end extends to the inner cylinder side along the radial direction of the inner cylinder;
an inner cylinder water outlet is arranged in the area between the cylinder opening and the annular body and/or the area between the cylinder bottom and the annular body on the side wall of the inner cylinder, and an annular opening 27 is formed by arranging the annular front end wall and/or the annular rear end wall and the peripheral wall of the inner cylinder at intervals.
Preferably, an inner cylinder water outlet is arranged on the side wall of the inner cylinder 8 in the area between the cylinder opening and the annular body, and the annular front end wall and the peripheral wall of the inner cylinder are arranged at intervals to form an annular opening; the annular rear end wall is connected with the outer peripheral wall of the inner barrel in a rotating and sealing mode. This enables water drained into the water collection device by the drainage channel 14 to be thrown out of the water collection device.
Further, as an implementation manner of this embodiment, the annular body includes an annular outer side wall, an annular inner side wall, an annular front end wall and an annular rear end wall, the annular outer side wall and the annular inner side wall are respectively disposed around the circumferential wall of the inner cylinder for a circle, the annular outer side wall is located at the periphery of the annular inner side wall, one end of the annular front end wall is connected to one end of the annular outer side wall close to the mouth side of the inner cylinder, the other end of the annular front end wall is connected to one end of the annular inner side wall close to the mouth side of the inner cylinder, one end of the annular rear end wall is connected to one end of the annular outer side wall close to the;
an inner cylinder water outlet is arranged in the area between the cylinder opening and the annular body and/or the area between the cylinder bottom and the annular body on the side wall of the inner cylinder, and the annular opening is formed in the annular front end wall and/or the annular rear end wall.
The water collecting device of the present embodiment forms an annular sealed chamber having only the annular opening 27, and prevents the water discharged into the water collecting device from being thrown out through the drainage channel 14.
In order to discharge the water discharged from the inner drum water outlet 16 into the annular water collecting chamber 28, as another embodiment of the present embodiment, as shown in fig. 2, a plurality of inner drum water outlets 16 are provided on the circumferential wall of the inner drum 8, and all the inner drum water outlets 16 are located on or substantially on the same circumference; an annular opening 27 communicated with an annular water collecting chamber 28 is formed in one side, close to the inner cylinder 8, of the annular body, and the annular opening 27 surrounds all water outlets of the inner cylinder.
Specifically, the annular body of the embodiment includes an annular side wall, an annular front end wall and an annular rear end wall, the annular side wall is disposed around the inner cylinder peripheral wall, one end of the annular front end wall is connected to one end of the annular side wall close to the cylinder opening side of the inner cylinder, the other end extends to the inner cylinder side along the radial direction of the inner cylinder, one end of the annular rear end wall is connected to one end of the annular side wall close to the cylinder bottom side of the inner cylinder, and the other end extends to the inner cylinder side along the radial direction of the inner cylinder;
an annular opening 27 is formed by an opening between one side of the annular front end wall close to the inner cylinder and one side of the annular rear end wall close to the inner cylinder.
In order to prevent water discharged into the water collecting device from splashing, the annular front end wall and the annular rear end wall are respectively connected with the outer peripheral wall of the inner barrel in a rotating and sealing mode.
In order to discharge the water collected in the water collecting device, the annular body of the water collecting device of this embodiment is provided with a water outlet, the water outlet is connected with a water discharge pipeline 17, the water discharge pipeline 17 is provided with a water discharge control device 18 for controlling the on-off of the water discharge pipeline, and the water discharge control device is a water discharge valve or a water discharge pump.
Further, the drum washing machine of the embodiment further includes a mounting plate 26 disposed on the same central axis as the inner drum, and the mounting plate 26 is disposed at the bottom of the inner drum 8.
Preferably, the drum washing machine further comprises a driving motor 23, and the driving motor 23 is mounted on the mounting plate 26.
Preferably, the water collecting device 6 is fixed on the mounting plate 26 through a connecting piece, or the water collecting device 6 and the mounting plate 26 are integrally formed.
The drum washing machine of this embodiment further includes a water inlet pipe bracket 24, and the water inlet pipe bracket 24 is mounted on the mounting plate 26 at one end and supports the water inlet pipe 25 at the other end.
In order to realize water inlet into the nonporous inner barrel, the drum washing machine of the embodiment comprises a driving motor 23 and an inner barrel shaft 20, the driving motor 23 is in transmission connection with the inner barrel 8 through the inner barrel shaft 20 to drive the inner barrel 8 to rotate, a hollow channel 21 communicated with the inside of the inner barrel 8 is arranged in the inner barrel shaft 20, and a water inlet pipeline of the washing machine is communicated with the hollow channel 21 of the inner barrel shaft 20.
Specifically, the inner cylinder shaft 8 is connected with a driving motor 23, the driving motor 23 comprises a stator and a rotor, and the rotor is fixedly connected with the inner cylinder shaft 20; the center of the rotor is provided with a through hole, and the water inlet pipeline penetrates through the through hole of the rotor and is communicated with the hollow channel 21 of the inner cylinder shaft 20.
Further, a first dynamic sealing structure 22 is arranged between the water inlet pipeline and the through hole of the rotor, and a second sealing structure is arranged between the through hole of the rotor and the hollow channel 21 of the inner cylinder shaft 20.
The embodiment solves the problem of how to accurately determine the water inflow of the drum washing machine with the non-porous inner drum, and the specific scheme is as follows:
a drum washing machine comprises an inner drum 8 and a water inlet pipeline 25 communicated with the inner drum 8, wherein the inner drum 8 is a non-porous inner drum and is used for containing washing water when clothes are washed, and a flow sensor 1 used for detecting the flow of the inlet water is arranged on the water inlet pipeline 25.
In the embodiment, the flow sensor is arranged on the water inlet pipeline 25 to monitor the flow of the inlet water, and when the set water inlet amount is reached, the water inlet valve 2 is closed to finish the water inlet. The embodiment adopts the flow sensor to solve the problem of water inlet of the drum washing machine with the non-porous inner drum according to the set water level, ensures the washing effect, has simple structure and is convenient to control.
Further, the drum washing machine of the embodiment comprises a water inlet valve 2 and a detergent box 4, the water inlet pipeline comprises a first water inlet pipe and a second water inlet pipe, the outlet end of the water inlet valve 2 is communicated with the detergent box 4 through the first water inlet pipe, the outlet end of the detergent box 4 is communicated with the inner barrel 8 through the second water inlet pipe, and the flow sensor is arranged on the first water inlet pipe or the second water inlet pipe.
As an implementation manner of this embodiment, the flow sensor is a rotor flow sensor, or a turbine flow sensor, or an ultrasonic flow sensor, or an electromagnetic flow sensor, or an orifice flow sensor.
The embodiment also solves the problem of how to ensure the unbalanced air pressure of the sealed cabin of the drum washing machine with the non-porous inner barrel, and particularly, the water is cut off by a sudden electromagnetic valve, particularly a tap water pipe network to form negative pressure, and the washing water in the sealed cabin is backwashed to the pipe network; or the inside has gas, the problem of difficult water intake.
The drum washing machine of the embodiment comprises an inner drum 8, wherein the inner drum 8 is a non-porous inner drum and is used for containing washing water when clothes are washed, and the drum washing machine further comprises an air pressure balancing mechanism which is used for communicating the inner drum 8 with the external environment so as to balance the air pressure in the inner drum.
When water enters, the air in the sealed cabin of the inner cylinder is pressurized and can overflow through the balancing mechanism, so that the air pressure balance is ensured.
When water is cut off suddenly, external atmosphere can enter the sealed cabin of the inner barrel rapidly, suck back is damaged, air pressure balance is guaranteed, and washing water is prevented from being sucked into a tap water pipe network.
Other air pressure balancing mechanisms can also ensure the air pressure balance of the inner cylinder during dehydration.
As an implementation manner of this embodiment, the air pressure balancing mechanism includes a pressure equalizing hole provided on the inner barrel 8, and one end of the pressure equalizing hole, which is communicated with the inside of the inner barrel 8, is provided at a position on the inner barrel 8 close to the central rotation axis and is always higher than the highest water level position in the inner barrel 8.
Specifically, the pressure equalizing pore passage is formed in the inner cylinder shaft 20 to communicate the inside of the inner cylinder 8 with the external environment, and the highest water level in the inner cylinder 8 is lower than the inner cylinder shaft 20. Thus, the water in the inner cylinder can be prevented from flowing out of the pressure equalizing pore passage.
In this embodiment, the pressure equalizing channel includes a first channel section and a second channel section, the first channel section is disposed in parallel with the hollow channel, one end of the first channel section is communicated with the inside of the inner cylinder, one end of the second channel section is communicated with the first channel section, and the other end of the second channel section extends to the outer peripheral wall of the inner cylinder shaft and is communicated with the inside of the outer cylinder. Preferably, the second pore channel section and the first pore channel section are vertically arranged to form an L-shaped pressure equalizing pore channel.
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 (10)
1. A drum washing machine characterized by comprising:
an inner cylinder having a washing chamber capable of independently containing washing water;
the inner cylinder water outlet is arranged on the inner cylinder;
the drainage sealing device is arranged on the drainage port of the inner cylinder and controls the opening and the closing of the drainage sealing device;
the water collecting device is provided with a water collecting chamber for collecting the washing water discharged from the water outlet of the inner cylinder.
2. A drum washing machine according to claim 1, characterized in that the water collecting device comprises an annular body which is positioned at the periphery of the inner drum and is coaxial with the inner drum, an annular water collecting chamber is arranged inside the annular body, and the inner drum water outlet is communicated with the annular water collecting chamber.
3. A drum washing machine as claimed in claim 2, characterized in that the annular body is provided with an annular opening communicated with the annular water collecting chamber, the wall of the inner drum is provided with a water drainage channel, one end of the water drainage channel is communicated with the water outlet of the inner drum, and the other end of the water drainage channel is inserted into the annular water collecting chamber through the annular opening; preferably, the drainage channel is arranged on the inner side wall of the inner cylinder or the outer side wall of the inner cylinder.
4. A drum washing machine according to claim 3, characterized in that the annular body comprises an annular side wall, an annular front end wall and an annular rear end wall, the annular side wall is arranged around the inner drum peripheral wall, one end of the annular front end wall is connected with one end of the annular side wall close to the drum opening side of the inner drum, the other end extends along the radial direction of the inner drum to the inner drum side, one end of the annular rear end wall is connected with one end of the annular side wall close to the drum bottom side of the inner drum, and the other end extends along the radial direction of the inner drum to the inner drum side;
an inner cylinder water outlet is arranged in the area between the cylinder opening and the annular body and/or the area between the cylinder bottom and the annular body on the side wall of the inner cylinder, and an annular opening is formed by arranging the annular front end wall and/or the annular rear end wall and the peripheral wall of the inner cylinder at intervals.
5. A drum washing machine according to claim 4, characterized in that the inner drum is provided with an inner drum water outlet on the side wall of the inner drum in the area between the drum opening and the annular body, and the annular front end wall and the inner drum peripheral wall are arranged at a distance to form an annular opening; the annular rear end wall is connected with the outer peripheral wall of the inner barrel in a rotating and sealing mode.
6. A drum washing machine according to claim 3, characterized in that the annular body comprises an annular outer side wall, an annular inner side wall, an annular front end wall and an annular rear end wall, the annular outer side wall and the annular inner side wall are respectively arranged around the circumferential wall of the inner drum, the annular outer side wall is arranged on the periphery of the annular inner side wall, one end of the annular front end wall is connected with one end of the annular outer side wall close to the drum opening side of the inner drum, the other end of the annular front end wall is connected with one end of the annular inner side wall close to the drum opening side of the inner drum, one end of the annular rear end wall is connected with one end of the annular outer side wall close to the;
an inner cylinder water outlet is arranged in the area between the cylinder opening and the annular body and/or the area between the cylinder bottom and the annular body on the side wall of the inner cylinder, and the annular opening is formed in the annular front end wall and/or the annular rear end wall.
7. A drum washing machine according to claim 2, characterized in that a plurality of drum water outlets are provided on the peripheral wall of the inner drum, all the drum water outlets being at or substantially at the same circumference; an annular opening communicated with the annular water collecting cavity is formed in one side, close to the inner cylinder, of the annular body, and the annular opening surrounds all water outlets of the inner cylinder.
8. A drum washing machine according to claim 7, characterized in that the annular body comprises an annular side wall, an annular front end wall and an annular rear end wall, the annular side wall is arranged around the inner drum peripheral wall, one end of the annular front end wall is connected with one end of the annular side wall close to the drum opening side of the inner drum, the other end of the annular front end wall extends along the radial direction of the inner drum to the inner drum side, one end of the annular rear end wall is connected with one end of the annular side wall close to the drum bottom side of the inner drum, and the other end of the annular rear end wall extends along the radial direction of the inner;
an annular opening is formed by an opening between one side of the annular front end wall close to the inner cylinder and one side of the annular rear end wall close to the inner cylinder.
9. A drum washing machine according to claim 7, characterized in that the annular front end wall and the annular rear end wall are respectively connected with the outer peripheral wall of the inner drum in a rotating and sealing way.
10. A drum washing machine according to any one of claim 9, characterized by further comprising a mounting plate disposed with the inner drum at the same center axis, wherein the mounting plate is disposed at the bottom of the inner drum;
preferably, the drum washing machine further comprises a driving motor mounted on the mounting plate;
preferably, the water collecting device is fixed on the mounting plate through a connecting piece, or the water collecting device and the mounting plate are integrally formed.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531445.5A CN112111909B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine |
| EP20827676.6A EP3988706A4 (en) | 2019-06-19 | 2020-06-11 | Drum washing machine |
| PCT/CN2020/095503 WO2020253600A1 (en) | 2019-06-19 | 2020-06-11 | Drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531445.5A CN112111909B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112111909A true CN112111909A (en) | 2020-12-22 |
| CN112111909B CN112111909B (en) | 2022-09-23 |
Family
ID=73795473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531445.5A Active CN112111909B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3988706A4 (en) |
| CN (1) | CN112111909B (en) |
| WO (1) | WO2020253600A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240117555A1 (en) * | 2022-10-11 | 2024-04-11 | Long Wang YUEN | Washing machine without an external drum field of the invention |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3988706A4 (en) | 2022-08-24 |
| WO2020253600A1 (en) | 2020-12-24 |
| CN112111909B (en) | 2022-09-23 |
| EP3988706A1 (en) | 2022-04-27 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220825 Address after: 400026 No.303, Block E, No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: Chongqing Haier Front-loading Washing Machine Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: Haier Zhijia Co.,Ltd. |
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