CN110359212B - Bidirectional-washing no-clean drum washing machine and control method - Google Patents
Bidirectional-washing no-clean drum washing machine and control method Download PDFInfo
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- CN110359212B CN110359212B CN201910189959.7A CN201910189959A CN110359212B CN 110359212 B CN110359212 B CN 110359212B CN 201910189959 A CN201910189959 A CN 201910189959A CN 110359212 B CN110359212 B CN 110359212B
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- drum
- door body
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- 238000005406 washing Methods 0.000 title claims abstract description 330
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 148
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 5
- 101150114468 TUB1 gene Proteins 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention provides a bidirectional washing-free drum washing machine and a control method, wherein the bidirectional washing-free drum washing machine comprises a washing drum, an outer drum and a door cover, a drain hole is formed in the washing drum, the drain hole is communicated with the drain hole, a water throwing port is formed in the other end of the drain channel, the water throwing port is arranged outside the washing drum, a valve is arranged at one end of the drain channel, the door cover comprises a first door body and a second door body, the second door body is arranged on the first door body through a rotating device, the first door body is fixedly buckled with the outer drum, the second door body can rotate along with the washing drum, an included angle formed between two ends of the drain hole and the central axis of the washing drum on the circular projection of the washing drum is alpha, and an included angle formed between two ends of a washing liquid level in the washing drum and the central axis of the washing drum on the circular projection of the washing drum during washing of the washing machine is beta, alpha is not less than beta. The bidirectional rotary washing is realized, the water leakage of the washing machine from the front end is effectively prevented, and the secondary pollution to clothes is avoided.
Description
Technical Field
The invention relates to the technical field of water-saving washing machines, in particular to a bidirectional washing-free drum washing machine and a control method.
Background
Most of the current drum washing machines have a structure with holes in an inner drum, the inner drum is communicated with an outer drum, and water between the outer drum and the inner drum does not participate in washing and becomes wasted water; secondly, serious dirt and mildew spots are generated in the long time, secondary pollution is generated to clothes, and the dirt in the outer cylinder enters the inner cylinder to cause secondary pollution to the clothes. If the inner cylinder is made into a pore-free cylinder, the water in the inner cylinder is kept not to be lost in a washing state, and ideal effects can be achieved in drainage and dehydration, so that the water-saving environment-friendly technology of the current drum washing machine is a technical problem to be overcome.
In the prior art, a patent with application number 201610374388.0 discloses a drum washing machine and a cleaning method thereof, wherein an annular isolation channel is arranged between an outer drum and an inner drum; the water inlet holes and the water outlet holes are arranged in the annular area of the outer cylinder corresponding to the annular isolation channel, the water outlet holes are arranged in the annular area of the inner cylinder corresponding to the annular isolation channel, and the areas of the inner cylinder except the annular area corresponding to the annular isolation channel are of a non-porous structure; the front opening of the inner cylinder is isolated from the front opening of the outer cylinder through a spacer. Therefore, the space between the outer cylinder and the inner cylinder is completely isolated from the inner cylinder, sewage series flow is not formed between the inner cylinder and the outer cylinder, dirt is not adhered and accumulated in the area between the outer cylinder and the inner cylinder, but when the washing machine rotates in the washing process, especially in the bidirectional rotating washing process, water in the washing cylinder shakes to a greater extent along with the inner cylinder, so that washing water is easy to leak out from the front end of the inner cylinder and further enter the space between the inner cylinder and the outer cylinder, water resources are wasted, and the washing effect is affected.
In view of this, the present invention has been made.
Disclosure of Invention
Aiming at the problems, the invention provides a bidirectional washing no-clean drum washing machine and a control method thereof, which are used for solving the problems that the washing machine leaks water, cannot realize sealing and cannot realize bidirectional washing rotation in the prior art. In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a two-way abluent washing drum type washing machine that exempts from, includes wash bowl, urceolus and door closure, set up the drainage channel on the wash bowl, set up the wash port on the wash bowl, the drainage port is linked together with the drainage channel, the other end of drainage channel sets up the water throwing mouth, the water throwing mouth sets up outside the wash bowl, the one end of drainage channel sets up the valve, the door closure includes first door body and second door body, the second door body passes through rotating device and sets up on first door body, first door body and the fixed lock of urceolus, the second door body can rotate along with the wash bowl, the contained angle that forms on the circular projection of wash bowl with the wash bowl central axis in the both ends of drainage channel is alpha, and the contained angle that forms on the circular projection of wash bowl with the wash bowl central axis in the wash bowl is beta when the washing machine, alpha.
Further, a fixed shaft is arranged on the first door body, a through hole is arranged on the second door body, and the second door body penetrates through the fixed shaft through the through hole and is connected with the first door body in a rotating mode.
Further, a hinge is arranged on the first door body, a lock catch is arranged on the other side of the first door body opposite to the hinge, and the first door body and the outer cylinder are opened or closed in a hinged and locked mode.
Further, the valve is provided as one of an elastic valve or a check valve.
Further, the drainage channel is arranged at least one of the front end plate, the cylinder wall and the rear end plate of the washing cylinder.
Further, the elastic valve is arranged at the water throwing port end of the drainage channel, and the one-way valve is arranged at the drainage hole end of the drainage channel.
Further, the included angle between the two ends of the drainage channel and the axis of the washing cylinder is set to be 90-360 degrees.
Further, the front end of the wall of the washing cylinder is provided with a front end plate, and the front end plate is externally covered with a front cover plate.
Further, the inner surface of the front cover plate is provided with a semi-closed water channel, and the water channel and the front end plate form a drainage channel.
The invention also provides a control method of the washing machine for bidirectional washing, which uses the washing machine,
comprising the following steps: after the clothes are placed, the door cover is closed, the washing machine is opened, and a user selects one of a washing working condition, a rinsing working condition or a dewatering working condition;
under the washing working condition, the washing cylinder starts to rotate, the rotation speed of the washing cylinder is not more than 80r/min, the valve on the drainage channel is in a closed state, the rotation direction of the washing cylinder is the same as or opposite to the setting direction of the drainage channel 3, the water inlet valve 16 is opened, water is injected into the washing cylinder through the water inlet channel until reaching the liquid level height set by a washing program, and after the water injection is completed, the washing cylinder continues to rotate bidirectionally to start washing; under the dehydration working condition, the washing cylinder rotates unidirectionally along the direction opposite to the arrangement direction of the drainage channel, when the rotation speed of the washing cylinder is greater than 80r/min, the drainage channel valve is opened, and water in the washing cylinder flows out through the drainage channel.
The bidirectional washing no-clean drum washing machine with the door cover provided by the invention realizes bidirectional rotation washing, can effectively prevent the washing machine from leaking water from the front end, avoids secondary pollution to clothes, realizes automatic drainage, improves washing effect, has a simple valve structure, and is convenient for later maintenance and replacement.
The control method of the washing machine provided by the invention can not flow water in the washing cylinder between the washing cylinder and the outer cylinder in the washing process, not only saves water consumption and avoids secondary pollution to clothes, but also realizes the effect of water leakage prevention of bidirectional rotation washing of the hole-free inner cylinder washing machine.
Drawings
For a clearer description of the technical solutions of embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic view of an embodiment of a wash bowl according to an embodiment of the invention;
FIG. 2 is a schematic view of another embodiment of a wash bowl according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of a wash bowl in an embodiment of the invention;
FIG. 4 is a side view of a structure in which an elastic valve of a drain passage is provided on a wall of a washing tub according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the portion A of FIG. 4;
FIG. 6 is a side view of the elastic valve of the drain passage provided at the front cover plate of the washing tub in the embodiment of the present invention;
FIG. 7 is a side view of another face structure of the front cover plate of FIG. 6;
FIG. 8 is a side view of a one-way valve of a drain passage in accordance with an embodiment of the present invention disposed on a wall of a wash bowl;
FIG. 9 is a schematic view showing a structure in which a drain passage is provided in a front end plate of a washing tub in an embodiment of the present invention;
FIG. 10 is a side view of a drain passage check valve according to an embodiment of the present invention disposed on a front end plate of a wash bowl;
FIG. 11 is a side view of the other face of the front cover plate of FIG. 10 in accordance with the present invention;
FIG. 12 is a schematic view of a drum washing machine with bi-directional rotation in accordance with an embodiment of the present invention;
FIG. 13 is a schematic view showing a closed state of the door cover and the outer cylinder after being assembled in the embodiment of the invention;
FIG. 14 is a schematic view showing an opened state of a door after the door is assembled with an outer cylinder in an embodiment of the present invention;
FIG. 15 is a schematic view of an exploded view of a door according to an embodiment of the present invention;
fig. 16 is a schematic sectional view showing an opened state of the door after the door is assembled with the outer cylinder in the embodiment of the present invention.
1-washing drum, 2-front cover plate, 3-drainage channel, 4-water throwing port, 5-return spring, 6-metal ball, 7-sealing door, 8-rotary pin, 9-water draining hole, 10-water pulling rib, 11-elastic valve, 12-one-way valve, 13-front end plate, 14-box body, 15-outer drum, 16-water inlet valve, 17-water inlet pipe, 18-washing box, 19-first outer drum, 20-second outer drum, 21-door cover, 22-water draining port, 23-water draining pipe, 24-water channel, 25-water inlet channel, 211-first door body, 212-second door body, 213-first flange, 214-second flange, 27-rotary device, 271-gasket, 272-bearing, 28-fixed shaft, 29-through hole, 30-sealing device, 31-hinge, 32-latch, 33-handle
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The description of "first," "second," etc. in embodiments of the present invention is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a washing cartridge for bi-directional washing, in which a drain passage 3 is provided on a washing cartridge 1, the drain passage 3 is provided in a tubular or flat shape, and the drain passage 3 may be provided to be inwardly recessed or outwardly protruded when provided at the outside of the washing cartridge 1.
Further, one end of the drainage channel 3 extends into the inner wall of the washing drum 1, the other end of the drainage channel is arranged outside the washing drum 1, and the drainage channel 3 is tightly connected to the outer wall of the washing drum 1 to rotate along with the washing drum 1. The inner wall of the washing cylinder 1 is provided with a drain hole 9, the drain hole 9 penetrates through the wall of the washing cylinder 1 and is communicated with the drain channel 3, the rest positions of the washing cylinder 1 are pore-free, the other end of the drain channel 3 is provided with a water throwing port 4, and the water throwing port 4 is arranged outside the washing cylinder 1. Preferably, the inner wall of the washing cylinder 1 is provided with a spiral water-shifting rib 10, and the water drain hole 9 can also be arranged on the upstream surface of the water-shifting rib 10, so that water in the washing cylinder 1 can enter the water drain channel 3 quickly during dehydration, and the dehydration time is shortened. The drainage channel 3 is tightly connected to the outer wall of the washing drum 1, so that the drainage channel 3 presents a circular or arc structure, two ends of the drainage channel 3 are located on the same section with the central axis of the washing drum 1 as the center of a circle, or two ends of the drainage channel 3 can be respectively located on different sections with the central axis of the washing drum 1 as the center of a circle, that is, the drainage channels 3 can be spirally arranged. The included angle formed by the two ends of the drainage channel 3 and the central axis of the washing cylinder on the circular projection of the washing cylinder 1 is alpha, and the included angle formed by the two ends of the washing liquid surface in the washing cylinder 1 and the central axis of the washing cylinder on the circular projection of the washing cylinder 1 during washing of the washing machine is beta, alpha is not less than beta.
Furthermore, the included angle between the projection of the two ends of the drainage channel 3 on the same section with the central shaft of the washing cylinder 1 as the center of the circle and the center of the section is 90-360 degrees.
Preferably, the included angle between the projection of the two ends of the drainage channel 3 on the same section with the central shaft of the washing drum 1 as the center of the circle and the center of the section is 100-180 degrees. The drainage channels 3 can be arranged on the washing drum 1 in at least one group, and each group can be arranged in 1-4, preferably in 2-3.
Further, in this embodiment, a valve capable of being opened and closed is provided at one end of the drain channel 3, and bidirectional rotation washing of the washing drum is further achieved by controlling the opened and closed states of the valve.
In order to more clearly explain the working principle of the washing machine according to the invention, the following definitions are made: defining the direction of the drain channel from the drain hole 9 to the water throwing port 4 as the direction of the drain channel 3;
under the washing working condition and the rinsing working condition, the rotating speed of the washing cylinder 1 is not more than 80r/min, and the rotating direction of the washing cylinder 1 and the water drainage channel 3 are in the same direction or reverse direction; under the drainage working condition and the dehydration working condition, the rotation direction of the washing drum 1 is opposite to the drainage channel 3, and when the rotation speed of the washing drum 1 is larger than 80r/min along with the increase of the rotation speed of the washing drum, the valve of the drainage channel is opened.
Example 2
As shown in fig. 3 to 5, the present embodiment provides a bidirectional washing drum with an elastic valve, a drainage channel 3 is disposed on a side wall of the washing drum, an elastic valve 11 is disposed at one end of a water throwing port 4 of the drainage channel 3 to implement bidirectional rotation washing of the washing drum, and the drainage channel 3 may be configured to be concave or convex.
Specifically, the structure of the elastic valve 11 comprises a reset spring 5, a metal ball 6, a sealing door 7 and a rotating pin 8, when the washing drum is static, the sealing door 7 covers the outer surface of the water throwing port 4 of the water drainage channel 3 under the action of the reset spring 5, and at the moment, the elastic valve 11 is in a closed state to prevent water in the water drainage channel 3 from flowing out of the water throwing port 4.
Under the washing condition, if the rotation direction of the washing drum 1 is the same as that of the water discharge channel 3, the elastic valve 11 is closed, and the water in the washing drum 1 is not discharged. Similarly, under the washing condition, the rotation speed of the washing drum 1 is below 80r/min, when the rotation direction of the washing drum 1 is opposite to the water discharge channel 3, the elastic valve 11 is still in a closed state, water in the washing drum 1 is not discharged, and the arrangement of the elastic valve 11 in the embodiment enables the non-porous washing drum washing machine to realize bidirectional rotation washing.
Under the dewatering working condition, the rotation direction of the washing drum 1 is opposite to that of the water discharge channel 3, the washing drum 1 starts to rotate reversely at a high speed, when the rotation speed of the washing drum 1 is higher than 80r/min, the centrifugal force generated by the metal ball 6 overcomes the pulling force of the return spring 5, the sealing door 7 is opened, water in the washing drum 1 flows out from the water discharge hole 9 to the water discharge channel 3 through the water throwing port 4, the higher the rotation speed of the washing drum 1 is, the higher the centrifugal force generated by the metal ball 6 is, the larger the opening angle of the sealing door 7 is, and the higher the water outflow rate in the washing drum 1 is.
The embodiment provides the washing cylinder without holes, realizes bidirectional rotation washing, can effectively prevent water leakage of the washing machine, avoids secondary pollution to clothes, realizes automatic drainage, and has great popularization and application values.
Example 3
As shown in fig. 8, the present embodiment provides a bidirectional washing drum with a check valve, a drain channel 3 is provided on the side wall of the washing drum 1, and a check valve 12 is provided at one end of a drain hole 9 of the drain channel 3 to realize bidirectional rotation washing of the washing drum. The one-way valve 12 is provided so as to be openable from inside to outside. Specifically, when the washing drum 1 is stationary, the check valve 12 is closed without being subjected to external force.
Under the washing working condition, the rotating speed of the washing cylinder 1 is smaller than 80r/min, and when the rotating direction of the washing cylinder 1 is the same as the direction of the water drainage channel 3, the water in the washing cylinder 1 is not discharged. Similarly, under the washing condition, when the rotation direction of the washing drum 1 is opposite to the water draining channel 3, the rotation speed of the washing drum 1 is smaller, the centrifugal force applied to the one-way valve 12 is smaller and still in a closed state, and at this time, the water in the washing drum 1 cannot flow out, and the one-way valve 12 in this embodiment enables the hole-free inner drum washing machine to realize bidirectional rotation washing.
Under the dewatering working condition, the rotation direction of the washing drum 1 is opposite to the water discharge channel 3, the washing drum 1 starts to rotate reversely at a high speed, when the rotation speed of the washing drum 1 is higher than 80r/min, the one-way valve 12 is opened outwards from the inside of the washing drum due to the action of a large centrifugal force, and at the moment, water in the washing drum 1 flows out from the water discharge hole 9 to the water discharge channel 3 and through the water throwing port 4, so that the dewatering of the washing machine is realized.
The one-way valve is arranged on the inner cylinder, so that the two-way washing function of the aporate inner cylinder washing machine is realized, and the one-way valve is simple in structure and convenient to maintain and replace in later period.
Example 4
As shown in fig. 6 to 7, the present embodiment provides a washing drum in which a drainage channel is provided at the front end or the rear end of the washing drum to perform bidirectional washing, and a drainage channel 3 is provided at the front end plate 13 or the rear end plate of the washing drum 1. When the drainage channel 3 is arranged on the front end plate 13 of the washing drum 1, the front end plate 13 is provided with a drainage hole 9, the outer surface of the front end plate 13 is covered with a layer of front cover plate 2, the inner surface of the front cover plate 2 is provided with a semi-closed water channel 24, and the water channel 24 and the front end plate 13 of the washing drum 1 form the drainage channel 3;
similarly, an inwardly concave semi-closed water channel 24 may be disposed on the outer surface of the front end plate 13, the front cover plate 2 covers the outer surface of the front end plate 13, the front cover plate 2 and the semi-closed water channel 24 on the outer surface of the front end plate 13 form a drainage channel 3, one end of the water channel 24 coincides with the drainage hole 9 on the front end plate 13, the other end of the water channel 24 forms a water throwing port 4 of the drainage channel 3, the water throwing port 4 is disposed at the edge of the front cover plate 2, an elastic valve 11 is disposed at the water throwing port 4, and the structure and the working principle of the elastic valve 11 are the same as those of embodiment 1.
Under the washing working condition, when the rotating speed of the washing cylinder 1 is below 80r/min, the elastic valve 11 is in a closed state no matter the rotating direction of the washing cylinder 1 is in the same direction or opposite direction with the water drainage channel 3, and water in the washing cylinder 1 is not discharged; under the dewatering working condition, the rotation direction of the washing drum 1 is opposite to the water drainage channel 3, when the rotation speed of the washing drum 1 is higher than 80r/min, the elastic valve 11 is in an open state, and water in the washing drum 1 flows into the water channel groove 24 through the water drainage hole 9 and flows out of the water throwing port 4 along with the rotation of the washing drum 1.
The aporate washing drum provided by the embodiment is provided with the drainage channel at the front end or the rear end of the washing drum, so that the cross-sectional area of the washing drum is effectively increased, and the volume for accommodating clothes is increased.
Example 5
As shown in fig. 9 to 11, the bidirectional washing drum according to the present embodiment has one end of the drain hole 9 of the drain passage 3 extending into the inside of the drum 1 through the front end plate 13. The drainage channel 3 is vertically inserted into the front end plate 13, the drainage channel 3 points to the axis direction of the washing drum 1 in the washing drum 1, one end of the drainage channel 3 in the washing drum 1 is provided with a drainage hole 9, and the drainage hole 9 is provided with a one-way valve 12. Under the washing working condition, the rotating speed of the washing cylinder 1 is less than 80r/min, and when the rotating direction of the washing cylinder 1 is the same as the direction of the drainage channel 3, the water in the washing cylinder 1 is not discharged; when the rotation direction of the washing drum 1 is opposite to the water discharge channel 3, the centrifugal force applied to the check valve 12 is smaller due to the smaller rotation speed of the washing drum 1, and the washing drum 1 is still in a closed state, so that water in the washing drum 1 cannot flow out.
Under the dewatering working condition, the rotation direction of the washing drum 1 is opposite to that of the water discharge channel 3, and when the rotation speed of the washing drum 1 is higher than 80r/min along with the gradual increase of the rotation speed of the washing drum 1, the one-way valve 12 is opened from inside to outside under the action of larger centrifugal force, and at the moment, water in the washing drum 1 flows out from the water discharge hole 9 to the water discharge channel 3 and through the water throwing port 4, so that the dewatering of the washing machine is realized.
In summary, the check valve 12 is opened by the centrifugal force generated when the washing tub 1 rotates at a high speed, and thus the direction of the drain hole 9 must be directed toward the axis of the washing tub.
As some embodiments of the present invention, when one end of the drain hole 9 of the drain channel 3 extends into the inside of the washing tub 1 through the front end plate 13, the drain channel 3 body may be disposed on the outer surface of the front end plate 13, or may be disposed on the side wall of the washing tub 1 near the front end plate 13.
Example 6
As shown in fig. 12 to 16, this embodiment provides a bidirectional-rotation washing-free drum washing machine, which includes the washing drum capable of realizing bidirectional washing, an outer drum 15, a box 14, and a door cover 21, wherein the outer drum 15 is concentric with the washing drum 1, the door cover 21 is disposed at the front ends of the washing drum 1 and the outer drum 15, the door cover 21 includes a first door 211 and a second door 212, the second door 212 is disposed on the first door 211 through a rotation device 27, and the second door 212 can rotate relative to the first door 211. The second door 212 is used for sealing the washing drum 1 when the door cover 21 is closed, and the second door 212 can rotate along with the washing drum 1 when the drum washing machine works; the first door 211 is fixedly fastened with the outer cylinder 15, so as to ensure the normal operation of the drum washing machine under the washing working condition.
In this embodiment, the first door 211 is provided with a fixed shaft 28, the second door 212 is provided with a through hole 29, the second door 212 passes through the fixed shaft 28 through the through hole 29 and is rotatably connected with the first door 211, and in order to improve the rotation effect, a rotation device 27 is provided at the through hole 29.
Preferably, the rotating device 27 includes a spacer 271 and a bearing 272, the outer ring of the bearing 272 is in interference fit with the second door 212, the inner ring of the bearing 272 is a through hole 29, the spacer 271 is disposed between the first door 211 and the second door 212, at this time, when the second door 212 rotates, the spacer 271 keeps the rotation plane of the second door 212 in the same plane, and no deviation phenomenon occurs, so as to avoid friction or damage to the first door 211 when the second door 212 rotates.
Preferably, the first door body 211 and the second door body 212 are both circular, wherein the radius of the second door body 212 is smaller than that of the first door body 211, the first door body 211 and the second door body 212 are concentrically arranged, and the rotating device 27 is arranged at the center of the first door body 211 and the second door body 212.
In order to improve the rotation effect of the second door structure, a gap with a certain distance is provided between the first door 211 and the second door 212, so that only friction is generated between the rotation devices 27 when the second door 212 rotates on the first door 211; preferably, the first door 211 and the second door 212 may be sealed, and a layer of lubricating oil is disposed therebetween to improve rotation of the second door 212.
Further, a sealing device 30, such as a sealing rubber strip, is disposed at the outer edge of the second door 212, and when the door cover 21 is closed, the second door 212 seals the washing drum 1, and the sealing rubber strip can improve the sealing property between the two, so that the washing water is prevented from seeping or flowing out from the washing drum 1 when the drum washing machine is operated.
Preferably, the width of the sealing device 30 gradually increases from the second door 212 to the first door 211, the second door 212 and the sealing device 30 together form a truncated cone-shaped structure, and when the door cover 21 is closed, the sealing device 30 can provide a larger contact area with the washing drum 1, so that the tightness between the second door 212 and the washing drum 1 is further improved.
Further, a first flange 213 is provided on the first door 211, the first flange 213 protrudes toward the washing tub 1, a second flange 214 is provided at the front end of the outer tub 15, and the second flange 214 protrudes toward the side close to the first door 211.
When the door cover 21 is closed, the first flange 213 is matched with the second flange 214, wherein the inner diameter of the first flange 213 is equal to or slightly larger than the outer diameter of the second flange 214, and when the first door 211 is closed, the first flange 213 is tightly matched with the second flange 214, so that the tightness between the first door 211 and the outer cylinder 15 can be improved, washing water can be prevented from seeping out of the washing machine when the washing cylinder 1 is in operation, and noise generated when the drum washing machine is in operation can be reduced.
Working principle: when the door cover 21 of the drum washing machine is closed, the first door body 211 is fixed on the outer cylinder 15, the second door body 212 is matched with the washing drum 1, when the washing machine operates, the second door body 212 is fixed on the first door body 211, the second door body 212 rotates along with the washing drum 1 through the rotating device 27 between the first door body 211 and the second door body 212, and as the second door body 212 completely seals the washing drum 1, the washing water level in the washing drum 1 can be freely adjusted, the limit that the washing water level must be lower than the door plug in the traditional drum washing machine is broken through, a large amount of washing water can be stored and placed in the washing drum 1 during washing and rinsing, the defect that the drum washing machine needs to discharge water for multiple times for rinsing in the prior art is overcome, and the washing efficiency of the drum washing machine is improved.
Further, a hinge 31 is provided on the first door body 211, a latch 32 is provided on the other side of the first door body 211 opposite to the hinge, and the first door body 211 and the outer cylinder 15 are opened or closed by means of hinge and latch; when the drum washing machine is running, the lock catch 32 fixes the first door 211 on the outer drum 15, the door cover 21 of the washing machine cannot be opened at this time, and when washing is finished, the lock catch 32 is opened, the door cover 21 can be opened at this time, and the next operation is performed on the drum washing machine.
Preferably, the first door 211 is provided with a handle 33, and when a user needs to open the drum washing machine, an external force is applied to the handle 33 to open the lock catch 32, and the door cover 21 is opened, so that the user can use the drum washing machine.
Preferably, a water inlet device is arranged on the door cover 21, the water inlet device comprises a water inlet channel and a water inlet pipe 17, the water inlet pipe 17 is arranged at the inner top of the box body 14, one end of the water inlet pipe 17 is arranged on the box body 14 through the water inlet valve 16, the other end of the water inlet pipe 17 penetrates through a detergent box 18 arranged on the box body 14 to be communicated with the water inlet channel, and the water inlet channel penetrates through the door cover 21 to provide washing water for the washing machine.
Specifically, the water inlet passage 25 is provided outside the first door 211 or between the first door 211 and the second door 212.
Preferably, the water inlet channel 25 is hidden between the first door 211 and the second door 212, and a groove is arranged between the first door 211 and the second door 212 to accommodate the water inlet channel 25, and the side of the first door 211 facing the user is flat, so that the door cover 21 has an attractive and elegant appearance. One end of the water inlet channel 25 is communicated with the water inlet pipe 17; the fixed shaft 28 between the first door 211 and the second door 212 is provided as a hollow rotation shaft; the other end of the water inlet channel 25 is communicated with a hollow channel of the fixed shaft 28. Further, the water inlet pipe 17 may also be directly communicated with the fixed shaft 28, or the water inlet pipe 17 is communicated with the fixed shaft 28 through the water inlet channel 25. The water flows from the water inlet pipe 17 through the water inlet channel 25 and then to the washing drum 1 for washing.
In order to facilitate the installation of the washing drum 1 and the outer drum 15, the outer drum 15 is provided with a first outer drum 19 and a second outer drum 20 which can be split and combined, and when the washing drum 1 is installed, the first outer drum 19 and the second outer drum 20 can be installed in sequence respectively, so that the production of the drum washing machine is facilitated.
A water outlet 22 is arranged at the bottom of the outer cylinder 15, a water outlet 23 is connected to the water outlet 22, and the water outlet 23 extends out through the box 14.
As shown in fig. 16, the water inlet passage may be preferably provided at the bottom of the washing tub, and the bottom water inlet passage 25a may be provided in the hollow shaft at the bottom. Or simultaneously, the water inlet channels are arranged at the bottoms of the door cover and the washing cylinder, so that the smoothness of water inlet is ensured, and the washing efficiency is improved.
The bidirectional washing no-clean drum washing machine with the door cover provided by the embodiment realizes that the bidirectional rotating drum washing machine does not leak water when the drum washing machine rotates at a low speed and can rapidly discharge washing water when the washing drum rotates at a high speed in the reverse direction. And through setting up the door closure in the front end of wash bowl and urceolus, realized that washing machine two-way rotation is washed, wash water can not leak from the wash bowl front end, promotes the washing effect.
Example 7
The embodiment provides a control method of a washing machine for bidirectional washing, which comprises the following steps:
after the clothes are placed, the door cover is closed, the washing machine is opened, and a user selects one of a washing working condition, a rinsing working condition or a dewatering working condition;
under the washing working condition, the washing cylinder starts to rotate, the rotation speed of the washing cylinder is not more than 80r/min, the valve on the water discharge channel is in a closed state, the rotation direction of the washing cylinder is the same as or opposite to the direction of the water discharge channel 3, the water inlet valve 16 is opened, tap water is injected into the washing cylinder through the water inlet channel until reaching the liquid level height set by a washing program, and after the water injection is completed, the washing cylinder continues to rotate bidirectionally to start washing;
under the dewatering working condition, the washing cylinder rotates unidirectionally along the direction opposite to the direction of the water drainage channel 3, when the rotating speed of the washing cylinder is greater than 80r/min, the water drainage channel valve is opened, and water in the washing cylinder flows out through the water drainage channel.
Preferably, the included angle alpha formed by the two ends of the drainage channel 3 and the central axis of the washing cylinder on the circular projection of the washing cylinder 1 is in the range of 90-360 degrees, preferably 100-180 degrees.
Further, the rinsing working condition is the same as the washing working condition.
According to the control method for the bidirectional washing machine, water in the washing cylinder cannot flow into the space between the washing cylinder and the outer cylinder in the washing process, so that water consumption is saved, secondary pollution to clothes is avoided, and the effect of no water leakage in bidirectional rotation washing of the hole-free inner cylinder washing machine is achieved.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (9)
1. A bi-directional washing no-clean drum washing machine, characterized in that: comprises a washing cylinder (1), an outer cylinder (15) and a door cover (21), wherein a drainage channel (3) is arranged on the washing cylinder (1), a drainage hole (9) is arranged on the washing cylinder (1), the drainage hole (9) is communicated with the drainage channel (3), a water throwing port (4) is arranged at the other end of the drainage channel (3), the water throwing port is arranged outside the washing cylinder (1), a valve is arranged at one end of the drainage channel (3), the door cover (21) comprises a first door body (211) and a second door body (212), the second door body (212) is arranged on the first door body (211) through a rotating device (27), the first door body (211) is fixedly buckled with the outer cylinder (15), the second door body (212) can rotate along with the washing cylinder (1), the included angle alpha formed by the two ends of the drainage channel (3) and the central axis of the washing cylinder on the circular projection of the washing cylinder (1) is 90-360 degrees, the included angle alpha formed by the central axis of the washing cylinder (1) in the washing cylinder (1) during washing of the washing machine is projected on the two ends of the washing cylinder (1),
defining the direction from the drain hole (9) to the water throwing port (4) of the drain channel (3) as the direction of the drain channel (3), wherein the rotating speed of the washing cylinder (1) is not more than 80r/min under the washing working condition and the rinsing working condition, and the rotating direction of the washing cylinder (1) is in the same direction or opposite direction with the drain channel (3); under the drainage working condition and the dehydration working condition, the rotation direction of the washing cylinder (1) is opposite to the drainage channel (3), and after the rotation speed of the washing cylinder (1) is greater than 80r/min, the valve of the drainage channel (3) is opened.
2. The bi-directional washing no-clean drum washing machine as claimed in claim 1, wherein: the fixed shaft (28) is arranged on the first door body (211), the through hole (29) is arranged on the second door body (212), and the second door body (212) penetrates through the fixed shaft (28) through the through hole (29) to be connected with the first door body (211) in a rotating mode.
3. The bi-directional washing no-clean drum washing machine as claimed in claim 2, wherein: the hinge (31) is arranged on the first door body (211), the lock catch (32) is arranged on the other side of the first door body (211) opposite to the hinge (31), and the first door body (211) and the outer cylinder (15) are opened or closed in a hinged and locked mode.
4. The bi-directional washing no-clean drum washing machine as claimed in claim 1, wherein: the valve is arranged as one of an elastic valve (11) or a one-way valve (12).
5. The bi-directional washing no-clean drum washing machine as claimed in claim 4, wherein: the drainage channel (3) is arranged at least one of the front end plate (13), the cylinder wall and the rear end plate of the washing cylinder (1).
6. The bi-directional washing no-clean drum washing machine as claimed in claim 4, wherein: the elastic valve (11) is arranged at the water throwing port (4) end of the water drainage channel (3), and the one-way valve (12) is arranged at the water drainage hole (9) end of the water drainage channel (3).
7. The bi-directional washing no-clean drum washing machine as claimed in claim 1, wherein: the front end of the wall of the washing cylinder (1) is provided with a front end plate (13), and the front end plate (13) is externally covered with a front cover plate (2).
8. The bi-directional washing no-clean drum washing machine as claimed in claim 7, wherein: the inner surface of the front cover plate (2) is provided with a semi-closed water channel groove (24), and the water channel groove (24) and the front end plate (13) form a drainage channel (3).
9. A control method of a washing machine for bidirectional washing is characterized in that: use of a washing machine according to any one of claims 1 to 8, comprising:
after the clothes are placed, the door cover is closed, the washing machine is opened, and a user selects one of a washing working condition, a rinsing working condition or a dewatering working condition;
under the washing working condition, the washing cylinder starts to rotate, the rotation speed of the washing cylinder is not more than 80r/min, the valve on the drainage channel is in a closed state, the rotation direction of the washing cylinder is the same as or opposite to the setting direction of the drainage channel 3, the water inlet valve 16 is opened, water is injected into the washing cylinder through the water inlet channel until reaching the liquid level height set by a washing program, and after the water injection is completed, the washing cylinder continues to rotate bidirectionally to start washing;
under the dewatering working condition, the washing cylinder rotates unidirectionally along the direction opposite to the arrangement direction of the drainage channel 3, when the rotation speed of the washing cylinder is greater than 80r/min, the drainage channel valve is opened, and water in the washing cylinder flows out through the drainage channel.
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| CN201810607503.3A Active CN110359229B (en) | 2018-03-26 | 2018-06-13 | Bidirectional washing drum, washing machine and control method |
| CN201820914003.XU Active CN208604369U (en) | 2018-03-26 | 2018-06-13 | A kind of roller washing machine with water passage and closure door component |
| CN201820914012.9U Active CN208829965U (en) | 2018-03-26 | 2018-06-13 | A kind of washing tube and washing machine with pipelined channel washing one-directional rotation |
| CN201810609154.9A Active CN110359231B (en) | 2018-03-26 | 2018-06-13 | Washing barrel with water flowing channel for washing unidirectional rotation, washing machine and water draining method thereof |
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| CN201910189959.7A Active CN110359212B (en) | 2018-03-26 | 2019-03-13 | Bidirectional-washing no-clean drum washing machine and control method |
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| CN201820915557.1U Active CN208829967U (en) | 2018-03-26 | 2018-06-13 | A kind of washing tube and roller washing machine with pipelined channel washing one-directional rotation |
| CN201820915511.XU Active CN208472396U (en) | 2018-03-26 | 2018-06-13 | A kind of cylindric washer and washing machine of two-way washing |
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| CN201820915556.7U Active CN208829961U (en) | 2018-03-26 | 2018-06-13 | A kind of washing tube and roller washing machine with pipelined channel washing one-directional rotation |
| CN201810608579.8A Active CN110359230B (en) | 2018-03-26 | 2018-06-13 | Washing barrel with water flowing channel, washing machine and water draining method of washing machine |
| CN201820914892.XU Active CN208829966U (en) | 2018-03-26 | 2018-06-13 | A kind of tilting cylindric washer and washing machine |
| CN201820914932.0U Active CN208829969U (en) | 2018-03-26 | 2018-06-13 | A kind of washing tube and roller washing machine with screw type pipelined channel |
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| CN201910189951.0A Pending CN110359245A (en) | 2018-03-26 | 2019-03-13 | A kind of rotation door body structure and the roller washing machine using the rotation door body |
| CN201920317856.XU Active CN209798340U (en) | 2018-03-26 | 2019-03-13 | Washing-free drum washing machine |
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2019
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Also Published As
| Publication number | Publication date |
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| CN209798369U (en) | 2019-12-17 |
| CN209798340U (en) | 2019-12-17 |
| CN208829965U (en) | 2019-05-07 |
| CN110359229A (en) | 2019-10-22 |
| CN110359210A (en) | 2019-10-22 |
| CN110359229B (en) | 2023-08-08 |
| CN209798341U (en) | 2019-12-17 |
| CN115538106A (en) | 2022-12-30 |
| CN110359230B (en) | 2023-05-30 |
| CN110359212A (en) | 2019-10-22 |
| CN208829967U (en) | 2019-05-07 |
| CN208604368U (en) | 2019-03-15 |
| CN208472396U (en) | 2019-02-05 |
| CN110359231A (en) | 2019-10-22 |
| CN209941321U (en) | 2020-01-14 |
| CN208604370U (en) | 2019-03-15 |
| CN110359245A (en) | 2019-10-22 |
| CN210886659U (en) | 2020-06-30 |
| CN208829961U (en) | 2019-05-07 |
| CN110359214A (en) | 2019-10-22 |
| CN209941320U (en) | 2020-01-14 |
| CN208829969U (en) | 2019-05-07 |
| CN110359231B (en) | 2023-11-17 |
| CN208604369U (en) | 2019-03-15 |
| CN208829966U (en) | 2019-05-07 |
| CN110359230A (en) | 2019-10-22 |
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