WO2021129300A1 - 洗衣机 - Google Patents

洗衣机 Download PDF

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Publication number
WO2021129300A1
WO2021129300A1 PCT/CN2020/131744 CN2020131744W WO2021129300A1 WO 2021129300 A1 WO2021129300 A1 WO 2021129300A1 CN 2020131744 W CN2020131744 W CN 2020131744W WO 2021129300 A1 WO2021129300 A1 WO 2021129300A1
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WO
WIPO (PCT)
Prior art keywords
washing
magnesium
water
washing tub
wall
Prior art date
Application number
PCT/CN2020/131744
Other languages
English (en)
French (fr)
Inventor
吉田由佳
三觜绅平
竹村结衣
Original Assignee
青岛海尔洗衣机有限公司
Aqua株式会社
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司, Aqua株式会社, 海尔智家股份有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to CN202080090522.9A priority Critical patent/CN114901894B/zh
Publication of WO2021129300A1 publication Critical patent/WO2021129300A1/zh

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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00Washing machines, apparatus, or methods not otherwise provided for
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02Devices for adding soap or other washing agents

Definitions

  • the invention relates to a washing machine.
  • a washing method using magnesium is known. If you put magnesium into the bucket of the washing machine, the magnesium (Mg) will react chemically with the water (H 2 O) in the bucket to produce magnesium hydroxide (Mg(OH) 2 ) and hydrogen (H 2 ).
  • the water in the bucket will be alkaline ionized water - is modified to contain a magnesium ion (Mg 2+) and hydroxide ions (OH).
  • Alkaline ionized water has the function of decomposing fats and oils in the same way as detergents, so it can use alkaline ionized water to remove dirt from the laundry in the bucket.
  • alkaline ionized water has a sterilization effect, so negative ion water can be used to sterilize the washing in the bucket and the bucket itself.
  • the alkaline ionized water generator described in Patent Document 1 below has a main body made of a sponge and magnesium pellets housed in the main body.
  • the alkaline ionized water generator is put into the bucket of the washing machine together with the laundry.
  • magnesium is eluted from the magnesium pellets in the alkaline ionized water generator into the water in the bucket, so the magnesium reacts chemically with the water in the bucket to generate alkaline ionized water.
  • a general washing machine is equipped with a rotatable washing tub in the water tub, and a general washing operation includes a dehydration process in which the laundry is dehydrated by the dehydration rotation of the washing tub.
  • the alkaline ionized water generator described in Patent Document 1 floats in the water in the bucket. In such an alkaline ionized water generator, when the holding capacity of magnesium pellets is increased in order to increase the amount of magnesium injected into the water tank, the washing tank will receive alkaline ions floating in a state of increased weight during the dehydration process.
  • the water generator rotates eccentrically due to the influence of the water generating appliance, which makes it difficult to perform the dehydration process smoothly.
  • an oxide film is formed on the surface of the magnesium pellet as it comes into contact with water, and therefore, it is difficult for magnesium to gradually elute.
  • magnesium is difficult to chemically react with water as it is used. Therefore, it is necessary to remove the oxide film from the surface of the magnesium pellets or replace the magnesium pellets with new ones through regular maintenance.
  • Patent Document 1 Japanese Patent Application Publication No. 2017-99486
  • the present invention was completed in view of this background, and its object is to provide a washing machine that can realize a smooth spin-drying process, while efficiently washing laundry with magnesium, and can improve the maintainability of magnesium.
  • the present invention is a washing machine, comprising: a washing tub, in a cylindrical shape, containing washings and storing washing water, capable of rotating around a rotation axis passing through the center of the washing tub;
  • the rotation axis of the rotation axis is dispersedly arranged on the inner surface portion of the washing tub; and the receiving portion is respectively detachably attached to the plurality of attaching portions and accommodating the magnesium pellets.
  • the present invention is characterized in that the rotation axis extends in a vertical direction or an oblique direction with respect to the vertical direction, and the attachment portion has an inlet arranged on the bottom wall side of the washing tub and is arranged on the A position with a high inlet and facing the outlet in the washing tub constitutes a circulating water path for drawing the washing water in the washing tub from the inlet and returning it from the outlet to the washing tub.
  • the present invention is characterized in that the accommodating part includes an outer accommodating part and an inner accommodating part, and the outer accommodating part has a first inner space that becomes a passage for washing water flowing in the circulating water path and a second inner space.
  • a filter that captures foreign matter in the washing water flowing in the first internal space, the inner containing portion is detachable from the outer containing portion and is accommodated in the first internal space, and has a function to be located in the first internal space
  • the second internal space of the passage of the flowing washing water contains magnesium pellets in the second internal space.
  • the present invention is characterized in that the second internal space is divided into a plurality of storage chambers arranged in the up-down direction and accommodating magnesium pills, and among each of the storage chambers, the lower the storage chamber, the magnesium The larger the capacity of the pill.
  • the present invention is characterized in that the proportion of magnesium pellets in each of the storage chambers is 70% or less.
  • the laundry in the washing tub is dehydrated by centrifugal force generated by the rotation of the washing tub containing the laundry.
  • a plurality of attachment parts are arranged on the inner surface of the washing tub in a scattered manner along the rotation direction of the washing tub, and a receiving part for accommodating magnesium pellets is detachably attached to each attachment part.
  • a plurality of receiving portions each attached with one receiving portion to the corresponding attaching portion are also arranged on the inner surface portion of the washing tub in a dispersed manner along the rotation direction of the washing tub.
  • the accommodating part is attached to the circulating water path that sucks the washing water in the washing tub and returns it to the washing tub.
  • the accommodating part is attached to the circulating water path that sucks the washing water in the washing tub and returns it to the washing tub.
  • the magnesium pellet in the accommodating part, is accommodated in the second internal space of the inner accommodating part, and the inner accommodating part is accommodated in the first internal space of the outer accommodating part.
  • the first inner space and the second inner space are channels for the washing water flowing in the circulating water path, so by promoting the chemical reaction between the magnesium pellets contained in the accommodating part and the washing water flowing in the first inner space and the second inner space , Can generate a large amount of alkaline ionized water. Therefore, a large amount of alkaline ionized water generated from the magnesium of the magnesium pellet can be used to effectively wash the laundry.
  • the inner container is detachable from the outer container, so the user can detach the container from the attachment portion and separate it into the outer container and the inner container. After maintaining the magnesium pellets in the inner container, Re-attach the receiving part to the attachment part in the reverse order. Thereby, the maintainability of magnesium can be improved.
  • the second internal space for accommodating magnesium pills is divided into a plurality of storage chambers arranged in the vertical direction, and among each of the storage chambers, the lower the storage chamber, the storage capacity of the magnesium pills more.
  • the more washing water violently flows in the lower storage chamber the more the storage capacity of the magnesium pills is, and the more washing water is compared to the lower storage chamber.
  • the holding capacity of the magnesium pills is smaller.
  • the magnesium pellets of an appropriate storage capacity corresponding to the flow rate and water potential of the washing water in each storage chamber are stored, so in each storage chamber, the magnesium pellets are actively moved due to the flow of the washing water. .
  • the magnesium pellets and the washing water effectively react chemically to promote the production of alkaline ionized water, and therefore, a large amount of alkaline ionized water can be generated in the entire second internal space. Therefore, a large amount of alkaline ionized water generated from the magnesium of the magnesium pellet can be used to effectively wash the laundry.
  • the proportion of magnesium pellets in each containing chamber is 70% or less, and each magnesium pellet moves actively in the containing chamber, so it is possible to ensure a large contact area of the magnesium pellet with the washing water. Therefore, in each accommodating chamber, the production of alkaline ionized water is promoted by the effective chemical reaction between each magnesium pellet and the washing water. Therefore, a large amount of alkaline ionized water can be generated in the entire second internal space. Therefore, a large amount of alkaline ionized water generated from the magnesium of the magnesium pellet can be used to effectively wash the laundry.
  • Fig. 1 is a schematic vertical cross-sectional right view of a washing machine according to an embodiment of the present invention.
  • Fig. 2 is a perspective view of a guide cover and an accommodating portion included in the washing machine.
  • Fig. 3 is an exploded perspective view of the accommodating part.
  • Fig. 4 is a front view of the internal storage unit included in the storage unit.
  • Fig. 5 is a cross-sectional view taken along the line A-A in Fig. 4.
  • Fig. 6 is a cross-sectional view taken along the line B-B in Fig. 4.
  • Fig. 7 is a perspective view of a guide cover and a receiving part in the middle of attachment.
  • Fig. 8 is a perspective view of a guide cover and a receiving part in an attached state.
  • Fig. 9 is a perspective view of a main part of the washing machine including a partial longitudinal section.
  • Fig. 10 is an enlarged view of the main part of Fig. 9.
  • Fig. 11 is a perspective view including a partial longitudinal section of a main part of a washing machine according to a modification.
  • Fig. 1 is a schematic vertical cross-sectional right view of a washing machine according to an embodiment of the present invention.
  • the direction orthogonal to the paper surface of FIG. 1 is called the left-right direction X of the washing machine 1
  • the left-right direction in FIG. 1 is called the front-rear direction Y of the washing machine 1
  • the up-down direction in FIG. 1 is called the up-down direction of the washing machine 1.
  • the back side of the paper surface of FIG. 1 is referred to as the left side X1
  • the front side of the paper surface of FIG. 1 is referred to as the right side X2.
  • the left side in FIG. 1 is referred to as the front side Y1
  • the right side in FIG. 1 is referred to as the rear side Y2.
  • the upper side is referred to as the upper side Z1
  • the lower side is referred to as the lower side Z2.
  • the washing machine 1 includes: a box body 2, which constitutes the outer shell of the washing machine 1, a bucket 3, which is contained in the box body 2 and can store washing water; a washing tub 4, which is contained in the water tub 3; a rotating wing 5, which is contained in the washing tub 4; The motor 6 generates the driving force to rotate the washing tub 4 and the rotating wing 5; and the transmission mechanism 7 transmits the driving force of the motor 6 to the washing tub 4 and the rotating wing 5.
  • the washing machine 1 further includes: a guide cover 8 arranged in the washing tub 4 for circulating washing water; and a receiving part 9 which contains magnesium pills M and is attached to the guide cover 8.
  • the washing water is tap water or water in which detergent and the like are dissolved in the tap water.
  • the box body 2 is made of metal, for example, and is formed in a box shape.
  • An opening 15 for communicating the inside and outside of the box 2 is formed on the upper surface 2A.
  • a door 16 that opens and closes the opening 15 is provided on the upper surface 2A.
  • the area around the opening 15 of the upper surface 2A is provided with an operation portion 17 composed of a liquid crystal operation panel or the like.
  • the user of the washing machine 1 can freely select the operating conditions of the washing operation performed by the washing machine 1 or instruct the washing machine 1 to start or stop the washing operation by operating the operation unit 17.
  • the bucket 3 is made of resin, for example, and is formed in a cylindrical shape with a bottom.
  • the bucket 3 has: a substantially cylindrical circumferential wall 3A, which is arranged in the vertical direction Z; a bottom wall 3B, which blocks the hollow portion of the circumferential wall 3A from the lower side Z2; The upper edge of the edge wraps one side protruding to the center side of the circumferential wall 3A.
  • An inlet 18 communicating from the upper side Z1 to the hollow portion of the circumferential wall 3A is formed on the inner side of the annular wall 3C.
  • the port 18 is in a state of being opposed to and communicating with the opening 15 of the box 2 from the lower side Z2.
  • a door 19 that opens and closes the entrance and exit 18 is provided on the annular wall 3C.
  • the bottom wall 3B is formed in a circular plate shape extending substantially horizontally, and a through hole 3D penetrating the bottom wall 3B is formed at a center position of the bottom wall 3B.
  • a water supply channel 20 connected to a tap for tap water is connected from the upper side Z1, and tap water is supplied into the water bucket 3 from the water supply channel 20.
  • a water supply valve 21 as an example of a water supply unit is provided in the middle of the water supply path 20. The water supply valve 21 is opened and closed in order to start or stop water supply.
  • the drain channel 22 is connected to the bottom wall 3B of the water bucket 3 from the lower side Z2, and the water in the water bucket 3 is drained from the drain channel 22 to the outside of the machine.
  • a drain valve 23 as an example of a drain unit is provided in the middle of the drain passage 22. The drain valve 23 is opened and closed in order to start or stop draining water.
  • the washing tub 4 is, for example, made of metal, is formed in a cylindrical shape with a bottom that is slightly smaller than the water tub 3, and can contain the laundry L inside.
  • the rotating tub 4 has a substantially cylindrical circumferential wall 4A arranged in the vertical direction Z and a bottom wall 4B provided at the lower end of the washing tub 4 and blocking the hollow portion of the circumferential wall 4A from the lower side Z2.
  • the boundary portion between the circumferential wall 4A and the bottom wall 4B that is, the lower end portion of the circumferential wall 4A and the outer peripheral portion of the bottom wall 4B, may be made of resin (refer to FIG. 9 described later).
  • the inner peripheral surface of the circumferential wall 4A and the upper surface of the bottom wall 4B are the inner surface portions of the washing tub 4.
  • the upper end of the washing tub 4 is formed with an entrance 24 bounded by the upper end of the inner peripheral surface of the circumferential wall 4A.
  • the port 24 exposes the hollow portion of the circumferential wall 4A toward the upper side Z1, and is in a state of communicating with the port 18 of the bucket 3 from the lower side Z2. The user allows the laundry L to enter and exit the washing tub 4 from the upper side Z1 through the open opening 15, the entrance 18, and the entrance 24.
  • the washing tub 4 is coaxially accommodated in the water tub 3.
  • the washing tub 4 in the state of being accommodated in the water tub 3 can be rotated about a rotation axis J extending in the vertical direction Z through the center of the circle of the washing tub 4.
  • the rotation axis J in this embodiment strictly extends in the vertical direction, but it may also extend in an oblique direction with respect to the vertical direction.
  • the tilt direction is a direction shifted toward the front side Y1 as it approaches the upper side Z1.
  • the rotation axis J also passes through the center of the bucket 3.
  • the rotation direction of the washing tub 4 coincides with the circumferential direction P around the rotation axis J.
  • the radial direction centered on the rotation axis J is called the radial direction R
  • the side close to the rotation axis J is called the radial inner side R1
  • the side far from the rotation axis J is called the radial direction. R2 to the outside.
  • a plurality of through holes 4C are formed in the circumferential wall 4A and the bottom wall 4B of the washing tub 4, and the washing water in the water tub 3 can pass between the water tub 3 and the washing tub 4 through the through holes 4C.
  • the washing tub 4 can also store washing water, and the water level in the water tub 3 is consistent with the water level in the washing tub 4.
  • a ring-shaped balancer 25 along the circumferential direction P is attached to the upper end of the inner circumferential surface of the circumferential wall 4A.
  • the balancer 25 reduces the vibration of the washing tub 4 during rotation, and the cavity 25A inside the balancer 25 contains liquid such as salt water to help reduce vibration.
  • the bottom wall 4B of the washing tub 4 is formed in the shape of a disk extending substantially parallel to the bottom wall 3B of the water tub 3 at an interval on the upper side Z1.
  • a through hole 4D that penetrates the bottom wall 4B in the vertical direction Z is formed at a center position of the bottom wall 4B that coincides with the rotation axis J.
  • the bottom wall 4B is provided with a tubular support shaft 26 that protrudes toward the lower side Z2 along the rotation axis J while surrounding the through hole 4D.
  • the support shaft 26 is inserted through the through hole 3D of the bottom wall 3B of the bucket 3, and the lower end of the support shaft 26 is located on the lower side Z2 than the bottom wall 3B.
  • the rotating blade 5 is a so-called pulsator, formed in a disk shape centered on the rotation axis J, and is arranged on the bottom wall 4B in the washing tub 4.
  • the upper surface of the rotary wing 5 facing the entrance and exit 24 of the washing tub 4 is provided with a plurality of raised portions 5A that are raised to the upper side Z1 and arranged radially with the rotation axis J as the center.
  • a plurality of back blades 5B arranged radially with the rotation axis J as the center are provided on the lower surface of the rotor blade 5.
  • the lower end of the back blade 5B in which the rotor blade 5 is arranged in the inner space of the washing tub 4 is referred to as a space S.
  • the rotating blade 5 is provided with a rotating shaft 27 extending from its center along the rotating axis J to the lower side Z2.
  • the rotating shaft 27 is inserted through the hollow portion of the supporting shaft 26, and the lower end of the rotating shaft 27 is located on the lower side Z2 than the bottom wall 3B of the bucket 3.
  • the motor 6 is an electric motor such as an inverter motor.
  • the motor 6 is arranged on the lower side Z2 of the water tub 3 in the housing 2.
  • the motor 6 has an output shaft 28 that rotates around the rotation axis J, generates driving force and outputs it from the output shaft 28.
  • the transmission mechanism 7 is interposed between the respective lower ends of the support shaft 26 and the rotating shaft 27 and the upper end of the output shaft 28 protruding from the motor 6 to the upper side Z1.
  • the transmission mechanism 7 selectively transmits the driving force output by the motor 6 from the output shaft 28 to one or both of the support shaft 26 and the rotation shaft 27.
  • the washing tub 4 receives the driving force of the motor 6 and rotates in the circumferential direction P.
  • the rotating wing 5 receives the driving force of the motor 6 and rotates in the circumferential direction P.
  • Each guide cover 8 has a tubular shape extending from the lower end of the circumferential wall 4A of the washing tub 4 to the upper side Z1, and is made of resin, for example, and its plan cross section is formed in, for example, an arc shape that is convexly curved inwardly R1 in the radial direction.
  • the upper end of the guide cover 8 is arranged at a height position up to the front of the balancer 25.
  • the guide cover 8 is fixed to the circumferential wall 4A so as to cover a part of the circumferential wall 4A from the radially inner side R1. Thereby, between the guide cover 8 and the circumferential wall 4A, a circulation flow path 29 extending from the lower end of the circumferential wall 4A to the lower end of the circumferential wall 4A in the washing tub 4 to the upper side Z1 is formed.
  • the guide cover 8 constitutes the circulation flow path 29. Since there are a plurality of guide covers 8, a plurality of circulation channels 29 are also provided. In the present embodiment, the three circulation channels 29 are dispersed in the circumferential direction P and arranged at equal intervals.
  • the lower end of the circulation flow path 29 serves as an inlet 29A of the circulation flow path 29 and is connected from the radially outer side R2 to the space S in which the back blade 5B of the rotary blade 5 is arranged in the inner space of the washing tub 4.
  • the inlet 29A is arranged on the side of the bottom wall 4B of the washing tub 4.
  • the guide cover 8 is configured to be symmetrical in the circumferential direction P with the center in the left-right direction in FIG. 2 as a reference.
  • an opening 8A penetrating the guide cover 8 in the radial direction R is formed in the middle of the guide cover 8 in the vertical direction Z.
  • the opening 8A has a rectangular shape that is long in the vertical direction Z, for example.
  • the portion exposed to the radially inner side R1 from the opening 8A in the circulation flow path 29 is an outlet 29B.
  • the outlet 29B is arranged at a higher position than the inlet 29A and faces the inside of the washing tub 4.
  • the guide cover 8 is provided with an upper positioning portion 8B that extends horizontally in the circumferential direction P while wrapping the upper edge of the opening 8A.
  • an upper positioning portion 8B that extends horizontally in the circumferential direction P while wrapping the upper edge of the opening 8A.
  • a concave portion 8C recessed toward the radially outer side R2 and the upper side Z1 is formed.
  • a prismatic first horizontal positioning portion 8D extending in the vertical direction Z, which is radially outward R2 than the first horizontal positioning portion 8D
  • a prismatic second lateral positioning portion 8E protrudingly arranged in the opening 8A and extending in the vertical direction Z, and a first support groove 8F extending radially outward R2 and lower side Z2 in the vicinity of the lower edge of the opening 8A.
  • the right edge in FIG. 2 is provided a prismatic third lateral positioning portion 8G that extends slenderly in the vertical direction Z, which is greater than the third lateral positioning portion 8G.
  • a prismatic fourth lateral positioning portion 8H arranged protrudingly in the radially outer side R2 and the opening 8A and elongated in the vertical direction Z, and extends to the radially outer side R2 and the lower side Z2 in the vicinity of the lower edge of the opening 8A
  • the second support groove 8J The upper end portions of each of the first support groove 8F and the second support groove 8J are exposed from the surface of the guide cover 8 on the inner side R1 in the radial direction.
  • the accommodating portion 9 has an overall shape just accommodated in the opening 8A of the guide cover 8, and specifically, has a box shape that is flat in the radial direction R and long in the vertical direction Z.
  • the accommodating part 9 includes a box-shaped outer accommodating part 31 constituting its outer shell and a box-shaped inner accommodating part 32 housed in the outer accommodating part 31.
  • the accommodating portion 8 is configured to be symmetrical with respect to the center in the circumferential direction P as a reference. The same applies to the outer container 31 and the inner container 32.
  • the outer accommodating portion 31 has a rectangular plate-shaped front wall 31A that substantially coincides with the opening 8A when viewed from the radially inner side R1, and a top wall 31B extending from the upper end edge of the front wall 31A to the radially outer side R2.
  • the outer accommodating portion 31 also has: a first side wall 31C extending from the edge on one side of the circumferential direction P, the left edge in FIG. 2 to the radially outer side R2; and a second side wall 31D, the other side wall from the circumferential direction P
  • the side edge, the right edge in FIG. 2 extends radially outward R2.
  • a plurality of inner openings 31E penetrating the outer housing portion 31 in the radial direction R are formed in the front wall 31A in an evenly arranged manner.
  • twelve substantially rectangular inner openings 31E are arranged at equal intervals in six vertical rows and two horizontal rows and are formed distributed over the entire front wall 31A.
  • the entire area of each inner opening 31E is covered by, for example, a sheet-shaped filter 33 made of a net or the like. It should be noted that in each figure, for ease of description, the filter 33 is transparent so that the inside of the outer receiving portion 31 can be seen through the inner opening 31E.
  • the top wall 31B has a plate shape that is long in the circumferential direction P, and is erected between the upper ends of the first side wall 31C and the second side wall 31D. Both end edges of the top wall 31B in the circumferential direction P are formed in a stepped shape approaching each other as they approach the radially outer side R2.
  • a grip 31F arranged close to the front wall 31A and protruding to the upper side Z1; a recess 31G arranged on the radially outer side R2 of the grip 31F and downward The side Z2 is recessed; and the protrusion 31H is arranged on the radially outer side R2 of the recess 31G and protrudes to the upper side Z1.
  • the first side wall 31C has a plate shape that is long in the vertical direction Z, and is formed to be bent in a stepped shape along the end edge of the top wall 31B in the circumferential direction P.
  • the first side wall 31C has a first step portion 31J closest to the front wall 31A, and a second step portion 31K arranged on the radially outer side R2 and on the center side of the outer housing portion 31 than the first step portion 31J.
  • the second side wall 31D has a plate shape that is long in the vertical direction Z, and is formed to be bent in a step shape along the end edge of the top wall 31B in the circumferential direction P.
  • the second side wall 31D has a third step portion 31L closest to the front wall 31A, and a fourth step portion 31M arranged on the radially outer side R2 and on the center side of the outer housing portion 31 than the third step portion 31L.
  • a columnar first support shaft 31N is provided in the region of the first side wall 31C closest to the lower end of the front wall 31A.
  • a cylindrical second support shaft 31P is provided in the region of the second side wall 31D closest to the lower end of the front wall 31A.
  • the first support shaft 31N and the second support shaft 31P are provided on the outer accommodating portion 31 protruding to both outer sides in the circumferential direction P.
  • FIG. 3 is an exploded perspective view of the accommodating part 9.
  • the outer housing portion 31 has a first inner space 31Q that is flat in the radial direction R and long in the up-down direction Z.
  • the first internal space 31Q is partitioned from the radially inner side R1 by the front wall 31A, is partitioned from the upper side Z1 by the top wall 31B, and is partitioned from both sides of the circumferential direction P by the first side wall 31C and the second side wall 31D.
  • the first side wall 31C further has a first extension portion 31R extending from the second step portion 31K to the second side wall 31D side.
  • the second side wall 31D further has a second extension portion 31S extending from the fourth step portion 31M to the first side wall 31C side.
  • the first extension portion 31R and the second extension portion 31S have a belt shape extending in the vertical direction Z and are arranged in parallel to each other.
  • the outer accommodating portion 31 has: an outer opening 31T, which is divided between the first extension portion 31R and the second extension portion 31S and opens the first inner space 31Q to the radially outer side R2; and a lower opening 31U formed by the front wall
  • the lower ends of each of 31A, the first side wall 31C, and the second side wall 31D are partitioned to open the first inner space 31Q to the lower side Z2.
  • the lower end of the outer opening 31T and the lower opening 31U are in a connected state.
  • the inner storage portion 32 has a box shape substantially identical to the first inner space 31Q of the outer storage portion 31, is flat in the radial direction R, and is long in the vertical direction Z.
  • the inner containing part has: a front wall 32A, which is in the shape of a rectangular plate that is longer in the vertical direction Z; a rectangular plate-shaped back wall 32B, is arranged on the radially outer side R2 than the front wall 32A, and has a narrower width than the front wall 32A;
  • the lower wall 32C is erected between the lower ends of the front wall 32A and the back wall 32B; and the upper wall 32D is erected between the upper ends of the front wall 32A and the back wall 32B.
  • the outer inner portion 32 also has one side in the circumferential direction P, a first side wall 32E on the left side in FIG. 3, and the other side in the circumferential direction P, a second side wall 32F on the right side in FIG. 3.
  • a first front opening 32G, a second front opening 32H, a third front opening 32J, and a fourth front opening 32K that penetrate the front wall 32A in the radial direction R are sequentially formed from the lower side Z2.
  • These front openings are longitudinal slits.
  • the twelve first front openings 32G are arranged symmetrically in FIG. 3 in two vertical rows and six horizontal rows.
  • the second front openings 32H, the third front openings 32J, and the fourth front openings 32K are respectively shown in FIG. In 3, six are arranged symmetrically on each side.
  • a plurality of back openings 32L composed of longitudinal slits penetrating the back wall 32B in the radial direction R are distributed and formed over the entire area of the back wall 32B (refer to FIG. 6 described later).
  • the lower wall 32C has a plate shape that is long in the circumferential direction P, and is also erected between the lower ends of the first side wall 32E and the second side wall 32F. Both end edges of the lower wall 32C in the circumferential direction P are formed in a stepped shape approaching each other as they approach the radially outer side R2.
  • the lower wall 32C is formed with a plurality of lower openings 32M penetrating the lower wall 32C in the vertical direction Z.
  • the lower opening 32M is a slit connected to each of the lower ends of the six first front openings 32G in the lower section.
  • the upper wall 32D has a plate shape that is long in the circumferential direction P, and is also erected between the upper ends of the first side wall 32E and the second side wall 32F. Both end edges of the upper wall 32D in the circumferential direction P are formed in a stepped shape approaching each other as they approach the radially outer side R2.
  • the first side wall 32E has a plate shape that is long in the vertical direction Z, and is formed along one end edge of the upper wall 32D and the lower wall 32C in the circumferential direction P in the circumferential direction P, and the left end edge in FIG. 3 Bent in steps.
  • the second side wall 32F has a plate shape that is long in the vertical direction Z, and is formed along the other end edge of the upper wall 32D and the lower wall 32C in the circumferential direction P in the circumferential direction P, the right end in FIG. 3 The rim is bent in a stepped manner.
  • the inner storage portion 32 has a second inner space 32N surrounded by a front wall 32A, a back wall 32B, a lower wall 32C, an upper wall 32D, a first side wall 32E, and a second side wall 32F.
  • the second internal space 32N is flat in the radial direction R and long in the vertical direction Z.
  • FIG. 4 is a front view of the inner storage section 32 viewed from the radially inner side R1.
  • Fig. 5 is a cross-sectional view taken along the line A-A in Fig. 4.
  • the inner storage section 32 has a plurality of partition plates 32P arranged in the second inner space 32N and arranged in the vertical direction Z.
  • the second internal space 32N is divided into a plurality of storage chambers 32Q arranged in the vertical direction Z.
  • the second internal space 32N is divided into four accommodation chambers 32Q.
  • the four storage chambers 32Q are divided into a first storage chamber 32QA at the bottom, a second storage chamber 32QB located above and adjacent to the first storage chamber 32QA, and a third storage chamber located above and adjacent to the second storage chamber 32QB.
  • the chamber 32QC and the uppermost fourth storage chamber 32QD adjacent to the third storage chamber 32QC are located above the third storage chamber 32QC.
  • the inner storage portion 32 also has an inclined wall 32R that is inclined to the radially outer side R2 and the upper side Z1 and connects the back wall 32B and the lower wall 32C.
  • Fig. 6 is a cross-sectional view taken along the line B-B in Fig. 4.
  • the size of the cross section in plan view is the same.
  • the first storage chamber 32QA is the largest, and the second storage chamber 32QB, the fourth storage chamber 32QD, and the third storage chamber 32QC are successively smaller, so the volume of each storage chamber 32Q also successively becomes smaller (see Figure 5).
  • a plurality of communication ports 32S penetrating the partition plate 32P in the vertical direction Z are formed in the partition plate 32P forming the boundary of the storage chambers 32Q adjacent in the vertical direction Z. These communication ports 32S are slits connected to each of the back openings 32L.
  • Magnesium pellets M are made of magnesium.
  • the particle size of the new magnesium pellets M is set so that the magnesium pellets M cannot pass through the first front opening 32G, the second front opening 32H, the third front opening 32J, and the fourth front opening 32K.
  • the size of any one of the communication port 32S and the back opening 32L is about several mm.
  • the storage capacity of the magnesium pellets M in the lowermost first storage chamber 32QA is the largest, and the storage capacity of the magnesium pills M in the uppermost fourth storage chamber 32QD is the least.
  • the ratio of the volume of all the magnesium pellets M to the volume of the storage chamber 32Q is 70% or less.
  • the inner container 32 may be detachable from the outer container 31. Specifically, as shown in FIG. 3, the user arranges the internal storage section 32 on the lower side Z2 of the outer housing section 31 and inserts into the first internal space 31Q from the lower opening 31U of the outer housing section 31. At this time, the first side wall 32E and the second side wall 32F of the inner container portion 32 are respectively guided by the first side wall 31C and the second side wall 31D of the outer container portion 31, whereby the inner container portion 32 slides smoothly and is Insert the first internal space 31Q. When the entire inner container 32 is accommodated in the first inner space 31Q, the attachment of the inner container 32 to the outer container 31 is completed, and the container 9 is completed.
  • the user can pull out the entire inner container 32 from the lower opening 31U to the outside of the first inner space 31Q in the reverse order of attaching, so that the inner container 32 can be detached from the outer container 31 .
  • the inner housing portion 32 may be fitted to the outer housing portion 31 by an engagement structure using claws or the like.
  • positioning portions such as claws may be provided in the outer container portion 31 and the inner container portion 32, and the positioning portion may be positioned so as not to accidentally detach the inner container portion 32 in the attached state from the outer container portion 31.
  • the inner receiving portion 32 of the completed receiving portion 9 is located in the first front opening 32G, the second front opening 32H, the third front opening 32J, and the fourth front opening 32K from the radially outer side R2 and the outer receiving portion 31 Any one of the inner openings 31E is opposed to each other.
  • the back opening 32L is exposed from the outer opening 31T of the outer housing portion 31 to the radially outer side R2
  • the lower opening 32M is exposed from the lower opening 31U of the outer housing portion 31 to the lower side Z2 (refer to the later-described Figure 10).
  • the accommodating portion 9 thus completed is detachably attached to each of the plurality of guide covers 8, in other words, the plurality of circulating water channels 29.
  • the user arranges one accommodating portion 9 in a completed state on the radially inner side R1 of each guide cover 8, and connects the first support shaft 31N and the The two support shafts 31P are inserted into the first support groove 8F and the second support groove 8J of the corresponding guide cover 8 from the radially inner side R1 and the upper side Z1, respectively.
  • each guide cover 8 is an example of an attaching part to which one accommodating part 9 is detachably attached to each of them.
  • the accommodating portion 9 attached to the circulating water passage 29 is elongated in the vertical direction Z and in a substantially vertical posture from the opening 8A of the guide cover 8, that is, the outlet 29B of the circulating water passage 29. Exposed to the inside R1.
  • the first internal space 31Q of the outer accommodating part 31 and the second internal space 32N of the internal accommodating part 32 in the first internal space 31Q become a part of the circulating water channel 29.
  • all the inner openings 31E are exposed from the outlet 29B to the radially inner side R1 and face the inner space of the washing tub 4.
  • the grip 31F of the outer housing portion 31 is in a state of being fitted into the recess 8C of the guide cover 8.
  • the upper side Z1 of the grip 31F has a gap for the user's finger to be inserted. Therefore, the user can pull the accommodating portion 9 from the circulating water passage 29 in the reverse order of the attaching procedure by pinching the grip 31F and pulling it out inwardly R1 in the radial direction.
  • the washing machine 1 further includes, for example, a control unit 35 (refer to FIG. 1) which is composed of a microcomputer and is built in the cabinet 2.
  • the motor 6, the transmission mechanism 7, the operation unit 17, the water supply valve 21, and the drain valve are electrically connected to the control unit 35, respectively.
  • the control unit 35 controls the duty ratio of the voltage applied to the motor 6 to control the motor 6 to rotate at a desired rotation speed.
  • the control unit 35 controls the transmission mechanism 7 to switch the transmission destination of the driving force of the motor 6 to one or both of the support shaft 26 and the rotation shaft 27.
  • the control unit 35 receives the selection.
  • the control unit 35 controls the opening and closing of the water supply valve 21 and the drain valve 23.
  • the control unit 35 executes the washing operation by controlling the operation of the motor 6, the transmission mechanism 7, the water supply valve 21, and the drain valve 23.
  • the washing operation has: a dipping process, in which the laundry L is immersed in the washing water in the washing tub 4 for a predetermined period of time; a formal cleaning process, the laundry L is formally cleaned after the immersion process; a rinsing process, in the formal cleaning process After rinsing the laundry L; and a dehydration process, the laundry L is dehydrated after the rinsing process.
  • the control unit 35 first opens the water supply valve 21 to supply water to the water tub 3 and the washing tub 4 during the dipping process. As a result, washing water can be stored in the washing tub 4. When the water level in the washing tub 4 rises to a soaking water level higher than the upper end of the laundry L in the washing tub 4, the control unit 35 closes the water supply valve 21 to stop the water supply.
  • the control unit 35 rotates the rotary wing 5. 10
  • the washing water in the space S on the bottom wall 4B side of the washing tub 4 is pushed radially outward R2 by the back blade 5B of the rotating rotor blade 5 and sent into the inlet 29A of each circulating water channel 29 to make each
  • the circulating water passage 29 flows to the upper side Z1 (refer to the thick dotted arrow).
  • the first internal space 31Q of the outer accommodating portion 31 becomes a passage for washing water flowing in the circulating water passage 29, and the inner space 31Q of the inner accommodating portion 32 in the first inner space 31Q
  • the second internal space 32N becomes a passage for washing water flowing in the first internal space 31Q.
  • the washing water sent from the inlet 29A into the circulating water passage 29 passes through the lower opening 32M of the inner storage portion 32 and the communication ports 32S of each partition plate 32P, and then rises to the first storage chamber 32QA, the second storage chamber 32QB, The third storage chamber 32QC and the fourth storage chamber 32QD.
  • Part of the washing water flowing in the first storage chamber 32QA flows from the first front opening 32G on the front wall 32A of the inner storage portion 32 into the first internal space 31Q of the outer storage portion 31, and passes through the front wall 31A of the outer storage portion 31
  • the upper inner opening 31E located in the vicinity of the first front opening 32G flows out from the outlet 29B of the circulating water passage 29 to the radially inner side R1 (refer to the thick solid arrow W1).
  • part of the wash water flowing in the second storage chamber 32QB flows into the first internal space 31Q of the outer container 31 from the second front opening 32H on the front wall 32A, and passes through the second front opening on the front wall 31A.
  • the inner opening 31E in the vicinity of 32H flows out from the outlet 29B to the radially inner side R1 (refer to the thick solid arrow W2).
  • a part of the wash water flowing in the third storage chamber 32QC flows into the first internal space 31Q of the outer container 31 from the third front opening 32J on the front wall 32A, and passes through the third front opening on the front wall 31A.
  • the inner opening 31E in the vicinity of 32J flows out from the outlet 29B to the radially inner side R1 (refer to the thick solid arrow W3).
  • part of the wash water flowing in the fourth storage chamber 32QD flows into the first internal space 31Q of the outer container 31 from the fourth front opening 32K on the front wall 32A, and passes through the fourth front opening on the front wall 31A.
  • the inner opening 31E in the vicinity of 32K flows out from the outlet 29B to the radially inner side R1 (refer to the thick solid arrow W4).
  • the circulating water path 29 is a flow path for sucking the washing water in the washing tub 4 from the inlet 29A and returning it to the washing tub 4 from the outlet 29B.
  • the filter 33 covering the inner opening 31E captures foreign matter such as lint from the washing water and stores it in the first internal space 31Q .
  • the washing water returned from the outlet 29B to the washing tub 4 is sprayed from the upper side Z1 onto the washing L in the washing tub 4, then flows into the space S, and is sprayed to the washing L through the circulating water path 29 again. Way to loop.
  • a part of the washing water flowing in each storage chamber 32Q in the circulating water path 29 may pass through the rear opening 32L of the rear wall 32B of the inner storage portion 32 and the outer opening 31T of the outer storage portion 31 in the radial direction.
  • the outer side R2 flows and flows out from the through hole 4C of the circumferential wall 4A of the washing tub 4 to between the water tub 3 and the washing tub 4 (refer to the thick solid arrow W5).
  • the wash water flowing out between the water tub 3 and the washing tub 4 returns to the space S through the through hole 4C (refer to FIG. 1) of the bottom wall 4B of the washing tub 4.
  • the washing water circulated in this way passes through the first storage chamber 32QA, the second storage chamber 32QB, the third storage chamber 32QC, and the fourth storage chamber 32QD of the inner storage portion 32 of the storage portion 9, that is, each storage chamber 32Q, and
  • the magnesium eluted from the magnesium pellets M contained in each storage chamber 32Q undergoes a chemical reaction.
  • the chemical reaction increases the pH of the washing water in the storage chamber 32Q, thereby being modified into alkaline ionized water.
  • the alkaline ionized water has a function of decomposing fats and oils, specifically acidic sebum dirt, etc. Therefore, the alkaline ionized water is used to remove dirt from the laundry L in the washing tub 4. Furthermore, since the laundry L is stirred by the protruding part 5A of the rotating rotor 5, the dirt of the laundry L can be removed mechanically. During the dipping process, the rotating wing 5 rotates once every 5 minutes for 20 seconds each time. When a predetermined soaking time (for example, 1 hour) has passed after the start of the circulation of the washing water accompanying the rotation of the rotor blade 5, the control unit 35 ends the soaking process.
  • a predetermined soaking time for example, 1 hour
  • the control unit 35 starts the formal washing process and rotates the rotary wing 5.
  • the rotation frequency of the rotary wing 5 in the formal cleaning process is higher than the rotation frequency in the dipping process.
  • the formal washing process similar to the immersion washing process, washing water circulates along with the rotation of the rotor blade 5, and the washing L is sprayed with alkaline ionized water.
  • the laundry L is stirred by the raised portion 5A of the rotating rotor blade 5, the dirt on the laundry L can be mechanically removed.
  • the detergent may be automatically put in the washing tub 4 in advance, or the detergent may be put in in advance by manual operation of the user.
  • the washing water in this case contains detergent components, and in the actual washing process, the dirt on the laundry L is chemically decomposed by the detergent components.
  • the control unit 35 stops the rotor blade 5 and opens the drain valve 23 to drain water from the water tub 3 and the washing tub 4, thereby ending the formal operation The cleaning process.
  • control section 35 starts the rinsing process. Specifically, the control unit 35 opens the water supply valve 21 to supply water to the water tub 3 and the washing tub 4, and stores the washing water to a predetermined rinsing water level. Then, the control unit 35 rotates the rotary wing 5. In the rinsing process, similar to the dipping process, the washing water circulates along with the rotation of the rotary blade 5, and the alkaline ionized water is sprayed to the washing L, the water tub 3, and the washing tub 4.
  • the alkaline ionized water whose pH value is increased by the stirring of the rotor blade 5 is also used to wash the laundry L, and the negative ions contained in the alkaline ionized water are used to wash the laundry L, the bucket 3, and the washing. Barrel 4 is sterilized.
  • the control unit 35 stops the rotor blades 5 and opens the drain valve 23 to drain water from the water tub 3 and the washing tub 4, thereby ending the formal rinsing process.
  • the rinsing process can also be implemented multiple times.
  • the control section 35 starts the dehydration process. Specifically, the control unit 35 spins and spins the washing tub 4 in a state where the drain valve 23 is opened. The rotation speed of the washing tub 4 during spin-drying increases stepwise, and finally reaches the maximum rotation speed of, for example, 800 rpm, and then the voltage application to the motor 6 is stopped, whereby the washing tub 4 performs inertial rotation.
  • the laundry L in the washing tub 4 is dehydrated by the centrifugal force generated by the dehydration rotation of the washing tub 4.
  • the water seeping out from the laundry L due to dehydration is discharged from the drainage channel 22 to the outside of the machine.
  • the control part 35 ends the dehydration process.
  • the dehydration process can be implemented as a final dehydration process at the end of the washing operation, or as an intermediate dehydration process just after the formal washing process is completed.
  • a plurality of guide covers 8 are arranged on the inner surface of the washing tub 4 in a dispersed manner along the circumferential direction P of the washing tub 4.
  • Each guide cover 8 is detachably attached to a receiving portion for accommodating magnesium pellets M.
  • a plurality of receiving portions 9 each having one receiving portion 9 attached to the corresponding guide cover 8 are also arranged on the inner surface portion of the washing tub 4 in a dispersed manner along the circumferential direction P of the washing tub 4. Therefore, even if the input amount of the magnesium pellets M into the washing tub 4 is increased, these magnesium pellets M are scattered and contained in the respective accommodating parts 9 in small amounts, so the rotation balance of the washing tub 4 will not be disturbed.
  • the washing tub 4 can rotate smoothly without being affected by the increased magnesium pellets M. Then, during the dipping process and the like, the added magnesium pellets M chemically react with the washing water in the washing tub 4 to generate a large amount of alkaline ionized water which is helpful for washing.
  • the magnesium pellet M is refreshed by removing the oxide film from the surface.
  • the single inner portion 32 is immersed in the citric acid aqueous solution, compared with the case where the citric acid aqueous solution is stored in the washing tub 4 until the inner portion 32 is immersed, it can be achieved by using a small amount of citric acid aqueous solution.
  • the user can replace the original internal containing part 32 with a new internal containing part 32 containing new magnesium pellets M, or decompose the internal containing part 32 to replace the magnesium pellets. M. It should be noted that the user can also perform maintenance to remove foreign matter captured by the filter 33 of the outer container portion 31 of the container portion 9 that has been detached.
  • the accommodating portion 9 is attached to the circulating water passage 29 constituted by the guide cover 8.
  • the accommodating portion 9 is attached to the circulating water passage 29 constituted by the guide cover 8.
  • the magnesium pellet M is accommodated in the second internal space 32N of the inner accommodating part 32, and the internal accommodating part 32 is accommodated in the first internal space 31Q of the outer accommodating part 31.
  • the first internal space 31Q and the second internal space 32N are channels for washing water flowing in the circulating water path 29. Therefore, by promoting the magnesium pellet M contained in the accommodating portion 9 and the first internal space 31Q and the second internal space The chemical reaction of the washing water flowing in 32N can generate a large amount of alkaline ionized water. Therefore, the laundry L can be washed efficiently with a large amount of alkaline ionized water generated from the magnesium of the magnesium pellet M.
  • the inner container 32 is detachable from the outer container 31, so the user can detach the container 9 from the guide cover 8 and separate it into the outer container 31 and the inner container 32.
  • the magnesium in the inner container 32 is maintained. After the shot M is taken, the accommodating portion 9 is reattached to the guide cover 8 in the reverse order of the detachment. Thereby, the maintainability of magnesium can be improved.
  • the second internal space 32N accommodating the magnesium pellets M is divided into a plurality of accommodating chambers 32Q arranged in the up-down direction Z.
  • the lower the flow rate of the washing water and the weaker the upper storage chamber 32Q of the washing water the smaller the storage capacity of the magnesium pellet M.
  • magnesium pellets M of an appropriate storage amount corresponding to the flow rate and water potential of the washing water in each storage chamber 32Q are stored.
  • the magnesium pellets M which are actively moved by the flow of the washing water, effectively chemically react with the washing water to promote the production of alkaline ionized water, so that the entire second internal space 32N A large amount of alkaline ionized water is generated. Therefore, the laundry L can be washed efficiently with a large amount of alkaline ionized water generated from the magnesium of the magnesium pellet M.
  • the proportion of the magnesium pellets M in each storage chamber 32Q is 70% or less, and each magnesium pellet M actively moves in the storage chamber 32Q. Therefore, it is possible to ensure that the magnesium pellet M has a large contact area with the washing water. Accordingly, in each storage chamber 32Q, the production of alkaline ionized water is promoted by the effective chemical reaction between each magnesium pellet M and the washing water, so that a large amount of alkaline ionized water can be generated in the entire second internal space 32N. Therefore, the laundry L can be washed efficiently with a large amount of alkaline ionized water generated from the magnesium of the magnesium pellet M.
  • each magnesium pellet M effectively reacts with the washing water, thereby promoting the production of alkaline ionized water.
  • the attachment portion to which the accommodating portion 9 is attached is the circulating water passage 29 in the above-mentioned embodiment, but it may exist in a different manner from the circulating water passage 29.
  • the boundary portion between the circumferential wall 4A and the bottom wall 4B in the washing tub 4 bypasses the circulating water path 29, that is, multiple portions of the guide cover 8 are attachment portions.
  • an arc-shaped receiving portion 9 extending in the circumferential direction P is detachably attached to each attaching portion.
  • the accommodating part 9 is a hollow body formed with a slit-shaped inlet and outlet 9A for letting in and out of washing water, and directly accommodates a large amount of magnesium pellets M. As shown in FIG.
  • the washing machine 1 is a vertical washing machine in the above-mentioned embodiment, but it may be a drum washing machine in which the rotation axis J of the washing tub 4 extends horizontally in the front-rear direction Y. Furthermore, the washing machine 1 may be an integrated washer-dryer with a drying function. In addition, in the above-mentioned washing operation, the immersion washing process can also be omitted.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

本发明提供一种能实现顺利的脱水过程,同时能利用镁有效地洗涤洗涤物,能谋求镁的维护性的提高的洗衣机。洗衣机(1)包括容纳洗涤物并能蓄留洗涤水的圆筒状的洗涤桶(4)和多个引导罩(8)。洗涤桶(4)能绕穿过其圆心的旋转轴线(J)旋转。多个引导罩(8)在绕旋转轴线(J)的周向(P)上分散地排列在洗涤桶(4)的内表面部。洗衣机(1)包括可拆装地分别装接于多个引导罩(8)并容纳镁丸(M)的容纳部(9)。

Description

洗衣机 技术领域
本发明涉及一种洗衣机。
背景技术
已知使用镁的洗涤方法。若向洗衣机的水桶投入镁,则镁(Mg)与水桶内的水(H 2O)发生化学反应,产生氢氧化镁(Mg(OH) 2)和氢气(H 2),水桶内的水被改性为包含镁离子(Mg 2+)和氢氧根离子(OH -)的碱性离子水。碱性离子水具有与洗涤剂同样地分解油脂成分的作用,因此能利用碱性离子水从水桶内的洗涤物上去除污垢。此外,碱性离子水具有除菌作用,因此能利用负离子水来对水桶内的洗涤物和水桶本身进行除菌。
下述专利文献1所记载的碱性离子水生成用具具有由海绵构成的主体部和容纳于主体部内的镁丸。碱性离子水生成用具与洗涤物一起被投入洗衣机的水桶内。当向水桶内注入水时,镁从碱性离子水生成用具内的镁丸溶出至水桶内的水中,因此镁与水桶内的水发生化学反应而生成碱性离子水。
为了利用镁有效地洗涤洗涤物,只要增加镁向水桶的投入量即可。然而,一般的洗衣机在水桶内具备能旋转的洗涤桶,一般的洗涤运转包括通过洗涤桶的脱水旋转对洗涤物进行脱水的脱水过程。另一方面,专利文献1中记载的碱性离子水生成用具在水桶内的水中漂浮。在这样的碱性离子水生成用具中,当为了增加镁向水桶的投入量而增加镁丸的容纳量时,在脱水过程中,洗涤桶会受到处于重量增加了的状态下漂浮的碱性离子水生成用具的影响而偏心旋转,由此难以顺利地实施脱水过程。另外,在镁丸的表面,随着与水的接触而形成氧化膜,由此,镁难以逐渐溶出。就是说,镁随着使用而难以与水发生化学反应。因此,需要通过定期的维护,从镁丸的表面去除氧化膜或将镁丸更换为新品。
现有技术文献
专利文献
专利文献1:日本特开2017-99486号公报
发明内容
发明所要解决的问题
本发明是鉴于该背景而完成的,其目的在于提供一种能实现顺利的脱水过程,同时能利用镁有效地洗涤洗涤物,能谋求镁的维护性的提高的洗衣机。
用于解决问题的方案
本发明是一种洗衣机,包括:洗涤桶,呈圆筒状,容纳洗涤物并能蓄留洗涤水,能绕穿过所述洗涤桶的圆心的旋转轴线旋转;多个装接部,在绕所述旋转轴线的旋转方向上分散地排列在所述洗涤桶的内表面部;以及容纳部,可拆装地分别装接于所述多个装接部并容纳镁丸。
此外,本发明的特征在于,所述旋转轴线在垂直方向或相对于垂直方向的倾斜方向上延伸,所述装接部具有配置在所述洗涤桶的底壁侧的入口和配置在比所述入口高的位置且面向所述洗涤桶内的出口,构成用于从所述入口汲取所述洗涤桶内的洗涤水并使其从所述出口返回到所述洗涤桶内的循环水路。
此外,本发明的特征在于,所述容纳部包括外容纳部和内容纳部,所述外容纳部具有成为在所述循环水路中流动的洗涤水的通道的第一内部空间和从在所述第一内部空间中流动的洗涤水中捕获异物的过滤器,所述内容纳部相对于所述外容纳部可拆装并容纳于所述第一内部空间,具有成为在所述第一内部空间中流动的洗涤水的通道的第二内部空间,在所述第二内部空间中容纳镁丸。
此外,本发明的特征在于,所述第二内部空间被划分为在上下方向上排列并容纳镁丸的多个容纳室,各个所述容纳室中,越是下侧的所述容纳室,镁丸的容纳量越多。
此外,本发明的特征在于,镁丸在各个所述容纳室中所占的比例为70%以下。
发明效果
根据本发明,在洗衣机中,作为脱水过程,通过由容纳洗涤物的洗涤桶的旋转产生的离心力,洗涤桶内的洗涤物被脱水。多个装接部沿洗涤桶的旋转方向分散地排列在洗涤桶的内表面部上,在各个装接部可拆装地装接有容纳镁丸的容纳部。由此,在对应的装接部各装接有一个容纳部的多个容纳部也沿洗涤桶的旋转方向分散地排列在洗涤桶的内表面部上。因此,即使增加镁丸向洗涤桶的投入量,这些镁丸也少量分散地容纳于各个容纳部,因此不会破坏洗涤桶的旋转平衡。因此,在脱水过程中,洗涤桶能不受增加的镁丸的影响而顺畅地旋转。而且,通过增加的镁丸与洗涤桶内的洗涤水发生化学反应,大量生成有助于洗涤的碱性离子水。此外,即使随着与洗涤水的接触而在镁丸的表面形成氧化膜,用户能在使容纳部从装接部脱离而对容纳部内的镁丸进行维护之后,将容纳部重新装接于装接部。以上的结果是,能实现顺利的脱水过程,同时能利用镁有效地洗涤洗涤物,能谋求镁的维护性的提高。
另外,根据本发明,容纳部装接于汲取洗涤桶内的洗涤水并使其返回洗涤桶内的循环水路。由此,通过促进容纳于容纳部的镁丸与在循环水路中流动的洗涤水的化学反应,生成大量的碱性离子水,并且生成的碱性离子水积极地喷淋到洗涤桶内的洗涤物上。因此,能利用由镁丸的镁生成的大量的碱性离子水有效地洗涤洗涤物。
另外,根据本发明,在容纳部中,镁丸容纳于内容纳部的第二内部空间中,内容纳部容纳于外容纳部的第一内部空间中。第一内部空间和第二内部空间是在循环水路中流动的洗涤水的通道,因此通过促进容纳于容纳部的镁丸与在第一内部空间以及第二内部空间中流动的洗涤水的化学反应,能生成大量的碱性离子水。因此,能利用由镁丸的镁生成的大量的碱性离子水有效地洗涤洗涤物。进而,内容纳部相对于外容纳部可拆装,因此用户能使容纳部从装接部脱离而分离成外容纳部和内容纳部,在维护内容纳部内的镁丸之后,以与脱离时相反的顺序将容纳部重新装接于装接部。由此,能谋求镁的维护性的提高。
此外,根据本发明,收纳镁丸的第二内部空间被划分为在上下方向上排列的多个容纳室,各个所述容纳室中,越是下侧的所述容纳室,镁丸的容纳量越多。就是说,在汲取洗涤水的循环水路中,越是大量的洗涤水猛烈地流动的下侧的容纳室,镁丸的容纳量越多,与下侧的容纳室相比,越是洗涤水的流量少 且洗涤水的水势弱的上侧的容纳室,镁丸的容纳量越少。如此,在各个容纳室中,容纳有与各个容纳室中的洗涤水的流量以及水势相应的适当的容纳量的镁丸,因此在各个容纳室中,镁丸因洗涤水的流动而活跃地移动。由此,通过镁丸与洗涤水有效地进行化学反应而促进碱性离子水的生成,因此能在整个第二内部空间生成大量的碱性离子水。因此,能利用由镁丸的镁生成的大量的碱性离子水有效地洗涤洗涤物。
此外,根据本发明,镁丸在各个容纳室中所占的比例为70%以下,各个镁丸在容纳室中活跃地移动,因此能确保镁丸中的与洗涤水的接触面积较大。因此,在各个容纳室中,通过各个镁丸与洗涤水有效地进行化学反应而促进碱性离子水的生成,因此能在整个第二内部空间生成大量的碱性离子水。因此,能利用由镁丸的镁生成的大量的碱性离子水有效地洗涤洗涤物。
附图说明
图1是本发明的一实施方式的洗衣机的示意纵剖右视图。
图2是洗衣机所包含的引导罩以及容纳部的立体图。
图3是容纳部的分解立体图。
图4是容纳部所包含的内容纳部的主视图。
图5是图4的A-A向视剖视图。
图6是图4的B-B向视剖视图。
图7是引导罩以及处于装接中途的容纳部的立体图。
图8是引导罩以及处于装接状态的容纳部的立体图。
图9是针对洗衣机的主要部分的包括一部分的纵剖面的立体图。
图10是图9的主要部分放大图。
图11是针对变形例的洗衣机的主要部分的包括一部分的纵剖面的立体图。
附图标记说明
1:洗衣机;4:洗涤桶;4B:底壁;8:引导罩;9:容纳部;29:循环水 路;29A:入口;29B:出口;31:外容纳部;31Q:第一内部空间;32:内容纳部;32N:第二内部空间;32Q:容纳室;33:过滤器;J:旋转轴线;L:洗涤物;M:镁丸;P:周向;Z:上下方向;Z2:下侧。
具体实施方式
以下,参照附图对本发明的实施方式进行具体说明。图1是本发明的一实施方式的洗衣机的示意纵剖右视图。将与图1的纸面正交的方向称为洗衣机1的左右方向X,将图1中的左右方向称为洗衣机1的前后方向Y,将图1中的上下方向称为洗衣机1的上下方向Z。左右方向X当中,将图1的纸面的里侧称为左侧X1,将图1的纸面的表侧称为右侧X2。前后方向Y当中,将图1中的左侧称为前侧Y1,将图1中的右侧称为后侧Y2。上下方向Z当中,将上侧称为上侧Z1,将下侧称为下侧Z2。
洗衣机1包括:箱体2,构成洗衣机1的外壳;水桶3,容纳于箱体2内并能蓄洗涤水;洗涤桶4,容纳于水桶3内;旋转翼5,容纳于洗涤桶4内;马达6,产生使洗涤桶4和旋转翼5旋转的驱动力;以及传递机构7,将马达6的驱动力传递至洗涤桶4、旋转翼5。洗衣机1还包括:引导罩8,配置于洗涤桶4内,用于使洗涤水循环;以及容纳部9,容纳镁丸M,并装接于引导罩8。洗涤水是自来水、自来水中溶解有洗涤剂等的水。
箱体2例如是金属制,形成为箱状。在上表面2A形成有使箱体2的内外连通的开口15。在上表面2A设有将开口15开闭的门16。在上表面2A的开口15的周围的区域设有由液晶操作面板等构成的操作部17。洗衣机1的用户通过操作操作部17,能自由地选择洗衣机1所执行的洗涤运转的运转条件或者对洗衣机1指示洗涤运转开始、运转停止等。
水桶3例如是树脂制,形成为有底圆筒状。水桶3具有:大致圆筒状的圆周壁3A,沿上下方向Z配置;底壁3B,从下侧Z2堵住圆周壁3A的中空部分;以及环状的环状壁3C,一边将圆周壁3A的上端缘包边一边向圆周壁3A的圆心侧突出。在环状壁3C的内侧形成有从上侧Z1连通至圆周壁3A的中空部分的出入口18。出入口18处于从下侧Z2与箱体2的开口15对置并连通的状态。在环状壁3C设有将出入口18开闭的门19。底壁3B形成为大致水平地延伸的圆 板状,在底壁3B的圆心位置形成有贯通底壁3B的贯通孔3D。
在水桶3的环状壁3C上,从上侧Z1连接有与自来水的龙头相连的供水路20,从供水路20向水桶3内供给自来水。供水路20的中途设有作为供水单元的一例的供水阀21。供水阀21为了开始供水或停止供水而被开闭。排水路22从下侧Z2与水桶3的底壁3B连接,水桶3内的水从排水路22向机外排出。排水路22的中途设有作为排水单元的一例的排水阀23。排水阀23为了开始排水或停止排水而被开闭。
洗涤桶4例如为金属制,形成为比水桶3小一圈的有底圆筒状,能在内部容纳洗涤物L。旋转桶4具有沿上下方向Z配置的大致圆筒状的圆周壁4A和设置于洗涤桶4的下端并从下侧Z2堵住圆周壁4A的中空部分的底壁4B。需要说明的是,圆周壁4A与底壁4B的边界部分,也就是圆周壁4A的下端部与底壁4B的外周部可以是树脂制(参照后述图9)。
圆周壁4A的内周面和底壁4B的上表面是洗涤桶4的内表面部。在洗涤桶4的上端形成有被圆周壁4A的内周面的上端包边的出入口24。出入口24使圆周壁4A的中空部分朝上侧Z1露出,处于从下侧Z2与水桶3的出入口18连通的状态。用户经由敞开的开口15、出入口18以及出入口24使洗涤物L从上侧Z1出入于洗涤桶4。
洗涤桶4同轴地容纳于水桶3内。容纳于水桶3内的状态的洗涤桶4能以绕穿过洗涤桶4的圆心沿上下方向Z延伸的旋转轴线J进行旋转。本实施方式中的旋转轴线J严格来说沿垂直方向延伸,但也可以沿相对于垂直方向的倾斜方向延伸。作为一个例子,倾斜方向是随着靠近上侧Z1而向前侧Y1偏移的方向。旋转轴线J也穿过水桶3的圆心。洗涤桶4的旋转方向与绕旋转轴线J的周向P一致。以下,将以旋转轴线J为中心的径向称为径向R,在径向R上,将靠近旋转轴线J的一侧称为径向内侧R1,将远离旋转轴线J的一侧称为径向外侧R2。在洗涤桶4的圆周壁4A和底壁4B形成有多个贯通孔4C,水桶3内的洗涤水能经由贯通孔4C在水桶3与洗涤桶4之间往来。由此,洗涤桶4也能蓄洗涤水,水桶3内的水位与洗涤桶4内的水位一致。
在圆周壁4A的内周面的上端部装接有沿着周向P的环状的平衡器25。平衡器25减轻旋转时的洗涤桶4的振动,在平衡器25的内部的空腔25A中容纳 有用于有助于振动减轻的盐水等液体。
洗涤桶4的底壁4B形成为在上侧Z1与水桶3的底壁3B隔开间隔地大致平行延伸的圆板状。在底壁4B的与旋转轴线J一致的圆心位置形成有沿上下方向Z贯通底壁4B的贯通孔4D。在底壁4B设有一边包围贯通孔4D一边沿旋转轴线J向下侧Z2延突出的管状的支承轴26。支承轴26插通水桶3的底壁3B的贯通孔3D,支承轴26的下端部位于比底壁3B靠下侧Z2。
旋转翼5是所谓的波轮,形成为以旋转轴线J为圆心的圆盤状,在洗涤桶4内配置于底壁4B上。在旋转翼5的面向洗涤桶4的出入口24的上表面设有向上侧Z1隆起并以旋转轴线J为圆心呈辐射状地配置的多个隆起部5A。在旋转翼5的下表面设有以旋转轴线J为圆心呈辐射状地配置的多个背叶5B。将在洗涤桶4的内部空间中配置了旋转翼5的背叶5B的下端部称为空间S。在旋转翼5设有从其圆心沿旋转轴线J向下侧Z2延伸的旋转轴27。旋转轴27插通支承轴26的中空部分,旋转轴27的下端部位于比水桶3的底壁3B靠下侧Z2。
马达6是变频马达等电动马达。马达6配置在箱体2内的水桶3的下侧Z2。马达6具有以旋转轴线J为中心进行旋转的输出轴28,产生驱动力而从输出轴28输出。
传递机构7夹置于支承轴26和旋转轴27各自的下端部与从马达6向上侧Z1突出的输出轴28的上端部之间。传递机构7将马达6从输出轴28输出的驱动力选择性地传递至支承轴26和旋转轴27中的一方或双方。作为传递机构7,可以使用公知的机构。当来自马达6的驱动力传递至支承轴26时,洗涤桶4接受马达6的驱动力而在周向P上旋转。当来自马达6的驱动力传递至旋转轴27时,旋转翼5接受马达6的驱动力而在周向P上旋转。
引导罩8存在多个,在本实施方式中,三个引导罩8在周向P上分散地排列在圆周壁4A的内周面上(参照图9)。这些引导罩8优选沿周向P等间隔地配置。各个引导罩8为从洗涤桶4的圆周壁4A的下端部向上侧Z1延伸的管状,例如为树脂制,其俯视剖面例如形成为向径向内侧R1凸弯曲的圆弧状。引导罩8的上端部配置在平衡器25的跟前为止的高度位置。引导罩8以从径向内侧R1覆盖圆周壁4A的一部分的方式固定于圆周壁4A。由此,在引导罩8与圆周壁4A之间形成有在洗涤桶4内从圆周壁4A的下端部至圆周壁4A的下端部向上侧 Z1延伸的循环流路29。就是说,引导罩8构成循环流路29。引导罩8存在多个,因此循环流路29也设有多个,在本实施方式中,三个循环水路29沿周向P分散并等间隔地排列。
循环流路29的下端部作为循环流路29的入口29A而从径向外侧R2与在洗涤桶4的内部空间配置了旋转翼5的背叶5B的空间S连接。就是说,入口29A配置在洗涤桶4的底壁4B侧。参照图2,引导罩8构成为在周向P上以图2中的左右方向的中心为基准对称。在上下方向Z上的引导罩8的中途形成有沿径向R贯通引导罩8的开口8A。开口8A例如是在上下方向Z上较长的长方形状。在循环流路29中从开口8A向径向内侧R1露出的部分是出口29B,出口29B配置在比入口29A高的位置,面向洗涤桶4内。
在引导罩8上设有一边将开口8A的上缘包边一边在周向P上水平地延伸的上定位部8B。在周向P上的上定位部8B的中央形成有向径向外侧R2和上侧Z1凹陷的凹部8C。在开口8A的周向P的一侧的边缘、图2中的左缘上设有向上下方向Z延伸的棱柱状的第一横定位部8D、比第一横定位部8D向径向外侧R2和开口8A内突出地配置并向上下方向Z延伸的棱柱状的第二横定位部8E、以及在开口8A的下缘的附近向径向外侧R2和下侧Z2延伸的第一支承槽8F。在开口8A的周向P的另一侧的边缘、图2中的右缘上设有向上下方向Z细长地延伸的棱柱状的第三横定位部8G、比第三横定位部8G向径向外侧R2和开口8A内突出地配置并向上下方向Z细长地延伸的棱柱状的第四横定位部8H、以及在开口8A的下缘的附近向径向外侧R2以及下侧Z2延伸的第二支承槽8J。第一支承槽8F以及第二支承槽8J各自的上端部从引导罩8的径向内侧R1的表面露出。
容纳部9具有恰好容纳于引导罩8的开口8A的整体形状,具体而言,呈在径向R上扁平且在上下方向Z上较长的箱状。容纳部9包括构成其外壳的箱状的外容纳部31和容纳在外容纳部31内的箱状的内容纳部32。容纳部8构成为以周向P上的中心为基准对称。外容纳部31以及内容纳部32也是同样的。
外容纳部31具有与从径向内侧R1观察时与开口8A大致一致的长方形板状的正面壁31A和从正面壁31A的上端缘向径向外侧R2延伸的顶壁31B。外容纳部31还具有:第一侧壁31C,从周向P的一侧的边缘、图2中的左缘向径向 外侧R2延伸;以及第二侧壁31D,从周向P的另一侧的边缘、图2中的右缘向径向外侧R2延伸。
在径向R上贯通外容纳部31的多个内开口31E以均等地排列的方式形成在正面壁31A上。在本实施方式中,十二个大致矩形状的内开口31E等间隔地排列成纵六列横二列并分布地形成于整个正面壁31A。各个内开口31E的整个区域被例如由网等构成的片状的过滤器33覆盖。需要说明的是,在各图中,为了便于说明,过滤器33是透明的,以便于能通过内开口31E看到外容纳部31内。
顶壁31B是在周向P上较长的板状,架设于第一侧壁31C与第二侧壁31D的上端之间。周向P上的顶壁31B的两端缘形成为随着靠近径向外侧R2而相互接近的台阶状。在顶壁31B的上表面的周向P上的中央部设有:抓手31F,配置为靠近正面壁31A并向上侧Z1突出;凹部31G,配置在抓手31F的径向外侧R2并向下侧Z2凹陷;以及突起31H,配置在凹部31G的径向外侧R2并向上侧Z1突出。
第一侧壁31C是在上下方向Z上较长的板状,形成为沿着周向P上的顶壁31B的端缘呈台阶状地弯折。第一侧壁31C具有最接近正面壁31A的第一台阶部31J和配置于比第一台阶部31J靠径向外侧R2且靠外容纳部31的中心侧的第二台阶部31K。第二侧壁31D是在上下方向Z上较长的板状,形成为沿着周向P上的顶壁31B的端缘呈台阶状地弯折。第二侧壁31D具有最接近正面壁31A的第三台阶部31L和配置于比第三台阶部31L靠径向外侧R2且靠外容纳部31的中心侧的第四台阶部31M。
在第一侧壁31C的最靠近正面壁31A的下端部的区域设有圆柱状的第一支承轴31N。在第二侧壁31D的最靠近正面壁31A的下端部的区域设有圆柱状的第二支承轴31P。第一支承轴31N和第二支承轴31P设为在外容纳部31上向周向P上的两外侧突出。
图3是容纳部9的分解立体图。外容纳部31具有在径向R上扁平且在上下方向Z上较长的第一内部空间31Q。第一内部空间31Q由正面壁31A从径向内侧R1划分,由顶壁31B从上侧Z1划分,并由第一侧壁31C及第二侧壁31D从周向P的两侧划分。第一侧壁31C还具有从第二台阶部31K向第二侧壁31D侧延伸的第一延伸设置部31R。第二侧壁31D还具有从第四台阶部31M向第一侧 壁31C侧延伸的第二延伸设置部31S。第一延伸设置部31R以及第二延伸设置部31S是在上下方向Z上延伸的带状,相互平行地配置。外容纳部31具有:外开口31T,被划分在第一延伸设置部31R与第二延伸设置部31S之间并将第一内部空间31Q向径向外侧R2敞开;以及下开口31U,由正面壁31A、第一侧壁31C以及第二侧壁31D各自的下端划分而将第一内部空间31Q向下侧Z2敞开。外开口31T的下端与下开口31U处于相连的状态。
内容纳部32呈与外容纳部31的第一内部空间31Q大致一致的箱状,在径向R上扁平且在上下方向Z上较长。内容纳部具有:正面壁32A,呈在上下方向Z上较长的长方形板状;长方形板状的背面壁32B,配置于比正面壁32A靠径向外侧R2,且宽度比正面壁32A窄;下壁32C,架设在正面壁32A与背面壁32B的下端之间;以及上壁32D,架设在正面壁32A与背面壁32B的上端之间。外内容纳部32还具有周向P的一侧、图3中的左侧的第一侧壁32E和周向P的另一侧、图3中的右侧的第二侧壁32F。
在正面壁32A上,从下侧Z2依次排列形成有在径向R上贯通正面壁32A的第一正面开口32G、第二正面开口32H、第三正面开口32J以及第四正面开口32K。这些正面开口是纵长的狭缝。在本实施方式中,十二个第一正面开口32G以纵二列横六列在图3中左右对称地配置,第二正面开口32H、第三正面开口32J以及第四正面开口32K分别在图3中左右对称地各配置六个。由沿径向R贯通背面壁32B的纵长的狭缝构成的多个背面开口32L分布形成在背面壁32B的整个区域(参照后述的图6)。
下壁32C是在周向P上较长的板状,也架设于第一侧壁32E与第二侧壁32F的下端之间。周向P上的下壁32C的两端缘形成为随着靠近径向外侧R2而相互接近的台阶状。在下壁32C形成有在上下方向Z上贯通下壁32C的多个下开口32M。下开口32M是在下段的六个第一正面开口32G的下端各连接一个的狭缝。
上壁32D为在周向P上较长的板状,也架设于第一侧壁32E与第二侧壁32F的上端之间。周向P上的上壁32D的两端缘形成为随着靠近径向外侧R2而相互接近的台阶状。
第一侧壁32E是在上下方向Z上较长的板状,形成为沿着周向P上的上壁32D和下壁32C各自的周向P的一侧端缘、图3中的左端缘呈台阶状地弯折。 第二侧壁32F是在上下方向Z上较长的板状,形成为沿着周向P上的上壁32D和下壁32C各自的周向P的另一侧端缘、图3中的右端缘呈台阶状地弯折。
内容纳部32具有被正面壁32A、背面壁32B、下壁32C、上壁32D和第一侧壁32E以及第二侧壁32F围出的第二内部空间32N。第二内部空间32N在径向R上扁平且在上下方向Z上较长。
图4是从径向内侧R1观察内容纳部32的主视图。图5是图4的A-A向视剖视图。参照图5,内容纳部32具有配置于第二内部空间32N并沿上下方向Z排列的多个分隔板32P。通过这些分隔板32P,第二内部空间32N被划分为在上下方向Z上排列的多个收纳室32Q。在该实施例中,通过设置三个分隔板32P,第二内部空间32N被划分为四个容纳室32Q。四个容纳室32Q被区分为最下面的第一容纳室32QA、位于第一容纳室32QA的上面并相邻的第二容纳室32QB、位于第二容纳室32QB的上面且相邻的第三容纳室32QC、位于第三容纳室32QC的上面且相邻的最上面的第四容纳室32QD。内容纳部32还具有向径向外侧R2和上侧Z1倾斜并将背面壁32B与下壁32C相连的倾斜壁32R。
图6是图4的B-B向视剖视图。在第一容纳室32QA中比倾斜壁32R靠上侧Z1的区域、第二容纳室32QB、第三容纳室32QC和第四容纳室32QD中,俯视剖面的大小相同。然而,对于上下方向Z的尺寸,第一容纳室32QA最大,第二容纳室32QB、第四容纳室32QD以及第三容纳室32QC依次变小,因此各容纳室32Q的容积也依次变小(参照图5)。在构成在上下方向Z上相邻的容纳室32Q的边界的分隔板32P上形成有在上下方向Z上贯通分隔板32P的多个连通口32S。这些连通口32S是在任一个背面开口32L上各连接一个的狭缝。
在第二内部空间32N中的各个容纳室32Q中容纳有大量的镁丸。镁丸M为镁制的颗粒,新品时的镁丸M的粒径被设定为镁丸M不能通过第一正面开口32G、第二正面开口32H、第三正面开口32J、第四正面开口32K、连通口32S以及背面开口32L中的任一个开口的几mm左右的大小。此外,越是下侧Z2的容纳室32Q,容纳室32Q中的镁丸M的容纳量越多。因此,最下面的第一容纳室32QA中的镁丸M的容纳量最多,最上面的第四容纳室32QD中的镁丸M的容纳量最少。而且,在各个容纳室32Q中,所有镁丸M的体积相对于容纳室32Q的体积所占的比例为70%以下。
也可以是,这样的内容纳部32相对于外容纳部31可拆装。具体而言,如图3所示,用户将内容纳部32配置于外容纳部31的下侧Z2而从外容纳部31的下开口31U插入第一内部空间31Q。此时,内容纳部32的第一侧壁32E和第二侧壁32F分别被外容纳部31的第一侧壁31C和第二侧壁31D引导,由此内容纳部32顺畅地滑动而被插入第一内部空间31Q。当整个内容纳部32被容纳于第一内部空间31Q时,内容纳部32向外容纳部31的装接完成,容纳部9完成。需要说明的是,用户可以通过与装接时相反的顺序,将整个内容纳部32从下开口31U拉出到第一内部空间31Q之外,从而能使内容纳部32从外容纳部31脱离。另外,不限于这样的滑动构造,也可以通过使用了爪等的卡合构造,将内容纳部32装配于外容纳部31。另外,也可以是,在外容纳部31以及内容纳部32设有爪等定位部,该定位部以不使装接状态的内容纳部32不经意地从外容纳部31脱离的方式进行定位。
也参照图2,完成的容纳部9的内容纳部32处于第一正面开口32G、第二正面开口32H、第三正面开口32J以及第四正面开口32K从径向外侧R2与外容纳部31中的任一个内开口31E对置的状态。此外,在内容纳部32中,背面开口32L从外容纳部31的外开口31T向径向外侧R2露出,下开口32M从外容纳部31的下开口31U向下侧Z2露出(参照后述的图10)。
如此完成的容纳部9以可拆装的方式相对于多个引导罩8、换言之多个循环水路29各装接一个。具体而言,如图2所示,用户在各引导罩8的径向内侧R1各配置一个完成状态的容纳部9,将各容纳部9的外容纳部31中的第一支承轴31N以及第二支承轴31P分别从径向内侧R1和上侧Z1插入对应的引导罩8的第一支承槽8F以及第2支承槽8J。
在第一支承轴31N到达第一支承槽8F的下端且第二支承轴31P到达第二支承槽8J的下端的状态(参照图7)下,用户使容纳部9绕第一支承轴31N以及第二支承轴31P向径向外侧R2转动。由此,整个容纳部9嵌入引导罩8的开口8A。此时,容纳部9的外容纳部31的顶壁31B上的突起31H与引导罩8的上定位部8B的下表面接触且向径向外侧R2移动,由此,顶壁31B以向下侧Z2挠曲的方式弹性变形。
然后,当突起31H从下侧Z2嵌入到上定位部8B的下表面的槽8K(参照 图10)时,顶壁31B恢复为原来的形状。此外,在容纳部9的外容纳部31中,第一侧壁31C的第一台阶部31J以及第二台阶部31K从径向内侧R1分别与开口8A的第一横定位部8D以及第二横定位部8E接触,第二侧壁31D的第三台阶部31L以及第四台阶部31M从径向内侧R1分别与开口8A的第三横定位部8G以及第四横定位部8H接触。由此,如图8所示,容纳部9对引导罩8也就是循环水路29的装接完成。如此,各引导罩8是在每个上各可拆装地装接有一个容纳部9的装接部的一个例子。
如图9及图10所示,装接于循环水路29的容纳部9以在上下方向Z上较长且呈大致垂直的姿势从引导罩8的开口8A也就是循环水路29的出口29B向径向内侧R1露出。在容纳部9中,外容纳部31的第一内部空间31Q和第一内部空间31Q中的内容纳部32的第二内部空间32N成为循环水路29的一部分。在外容纳部31的正面壁31A上,所有内开口31E从出口29B向径向内侧R1露出并面向洗涤桶4的内部空间。此外,外容纳部31的抓手31F处于嵌入引导罩8的凹部8C的状态。在该状态下的抓手31F的上侧Z1上确保有供用户的手指插入的间隙。因此,用户通过捏住抓手31F而向径向内侧R1拉出,能以与装接时相反的顺序使容纳部9从循环水路29脱离。
洗衣机1例如还包括由微机构成并内置于箱体2内的控制部35(参照图1)。马达6、传递机构7、操作部17、供水阀21以及排水阀分别与控制部35电连接。控制部35通过控制施加于马达6的电压的占空比,控制马达6以所希望的转速旋转。控制部35通过控制传递机构7而将马达6的驱动力的传递目标切换为支承轴26和旋转轴27的一方或双方。当用户操作操作部17来选择运转条件等时,控制部35接收该选择。控制部35控制供水阀21和排水阀23的开闭。
控制部35通过控制马达6、传递机构7、供水阀21以及排水阀23的动作来执行洗涤运转。作为一例,洗涤运转具有:浸洗过程,预先将洗涤物L在洗涤桶4内的洗涤水中浸泡规定时间;正式清洗过程,在浸洗过程后正式清洗洗涤物L;漂洗过程,在正式清洗过程后漂洗洗涤物L;以及脱水过程,在漂洗过程后将洗涤物L脱水。
控制部35在浸洗过程中首先打开供水阀21而向水桶3以及洗涤桶4供水。由此,洗涤桶4内可蓄留洗涤水。当洗涤桶4内的水位上升到比洗涤桶4内的 洗涤物L的上端高的浸泡水位时,控制部35通过关闭供水阀21来停止供水。
然后,控制部35使旋转翼5旋转。于是,参照图10,洗涤桶4内的底壁4B侧的空间S的洗涤水被旋转的旋转翼5的背叶5B推向径向外侧R2而送入各循环水路29的入口29A,使各循环水路29向上侧Z1流动(参照粗虚线箭头)。在装接于各循环水路29的容纳部9中,外容纳部31的第一内部空间31Q成为在循环水路29中流动的洗涤水的通道,在第一内部空间31Q中的内容纳部32的第二内部空间32N成为在第一内部空间31Q中流动的洗涤水的通道。
具体而言,从入口29A送入循环水路29的洗涤水通过内容纳部32的下开口32M以及各分隔板32P的连通口32S,依次上升至第一容纳室32QA、第二容纳室32QB、第三容纳室32QC以及第四容纳室32QD。在第一容纳室32QA中流动的洗涤水的一部分从内容纳部32的正面壁32A上的第一正面开口32G流入外容纳部31的第一内部空间31Q,通过在外容纳部31的正面壁31A上的位于第一正面开口32G的附近的内开口31E,从循环水路29的出口29B向径向内侧R1流出(参照粗实线的箭头W1)。
此外,在第二容纳室32QB中流动的洗涤水的一部分从正面壁32A上的第二正面开口32H流入外容纳部31的第一内部空间31Q,通过在正面壁31A上的位于第二正面开口32H的附近的内开口31E,从出口29B向径向内侧R1流出(参照粗实线的箭头W2)。此外,在第三容纳室32QC中流动的洗涤水的一部分从正面壁32A上的第三正面开口32J流入外容纳部31的第一内部空间31Q,通过在正面壁31A上的位于第三正面开口32J的附近的内开口31E,从出口29B向径向内侧R1流出(参照粗实线的箭头W3)。此外,在第四容纳室32QD中流动的洗涤水的一部分从正面壁32A上的第四正面开口32K流入外容纳部31的第一内部空间31Q,通过在正面壁31A上的位于第四正面开口32K的附近的内开口31E,从出口29B向径向内侧R1流出(参照粗实线的箭头W4)。
如上所述,循环水路29是用于从入口29A汲取洗涤桶4内的洗涤水并使其从出口29B返回到洗涤桶4内的流路。此外,在洗涤水通过内开口31E和出口29B而从第一内部空间31Q流出时,覆盖内开口31E的过滤器33从该洗涤水中捕获线头等异物,将其蓄留在第一内部空间31Q内。从出口29B返回到洗涤桶4内的洗涤水在从上侧Z1喷淋到洗涤桶4内的洗涤物L上后,流落到空间S, 再次以通过循环水路29而喷淋到洗涤物L的方式进行循环。此外,也可以是,在循环水路29中的各容纳室32Q中流动的洗涤水的一部分依次通过内容纳部32的背面壁32B的背面开口32L和外容纳部31的外开口31T而向径向外侧R2流动,并从洗涤桶4的圆周壁4A的贯通孔4C向水桶3与洗涤桶4之间流出(参照粗实线箭头W5)。流出到水桶3与洗涤桶4之间的流出的洗涤水通过洗涤桶4的底壁4B的贯通孔4C(参照图1)返回到空间S。
如此循环的洗涤水在分别通过容纳部9的内容纳部32的第一容纳室32QA、第二容纳室32QB、第三容纳室32QC以及第四容纳室32QD,也就是各容纳室32Q时,与从容纳于各容纳室32Q的镁丸M溶出的镁发生化学反应。关于镁与洗涤水的化学反应的详细情况,如上所述,通过该化学反应,容纳室32Q内的洗涤水的pH值增大,由此被改性为碱性离子水。然后,与洗涤水的循环相应地,洗涤桶4内的洗涤水的大部分被碱化,洗涤桶4内的洗涤物L浸泡在大量的碱性离子水中。与洗涤剂同样地,碱性离子水具有分解油脂成分、具体而言酸性的皮脂污垢等的作用,因此通过碱性离子水从洗涤桶4内的洗涤物L中除去污垢。进而,洗涤物L被旋转的旋转翼5的隆起部5A搅拌,因此能机械地去除洗涤物L的污垢。在浸洗过程中,旋转翼5以每5分钟转1次节奏每次转20秒。当伴随着旋转翼5的旋转的洗涤水的循环开始后经过了规定的浸洗时间(例如1小时)时,控制部35结束浸洗过程。
接着,控制部35开始正式清洗过程,使旋转翼5旋转。不过,正式清洗过程中的旋转翼5的旋转频率高于浸洗中的旋转频率。在正式清洗过程中,与浸洗过程同样地,洗涤水随着旋转翼5的旋转而循环,使碱性离子水喷淋洗涤物L。而且,洗涤物L被旋转的旋转翼5的隆起部5A搅拌,因此能机械地去除洗涤物L的污垢。需要说明的是,也可以是,在洗涤运转开始前,也就是浸洗过程的开始等,在洗涤桶4内预先自动投入洗涤剂,或者通过用户的手动作业事先投入洗涤剂。该情况下的洗涤水含有洗涤剂成分,在正式清洗过程中,洗涤物L的污垢被洗涤剂成分化学分解。当从伴随着旋转翼5的旋转的洗涤水的循环开始起经过了规定的洗涤时间时,控制部35使旋转翼5停止,打开排水阀23从水桶3以及洗涤桶4排水,由此结束正式清洗过程。通过使用碱性离子水,即使减少洗涤剂的量,也能得到较高的清洗力。
接下来,控制部35开始漂洗过程。具体而言,控制部35打开供水阀21向水桶3以及洗涤桶4供水,将洗涤水蓄留至规定的漂洗水位。然后,控制部35使旋转翼5旋转。在漂洗过程中,与浸洗过程同样地,洗涤水随着旋转翼5的旋转而循环,碱性离子水喷淋至洗涤物L、水桶3、洗涤桶4。在漂洗过程中,也利用通过旋转翼5的搅拌而pH值增大的碱性离子水来清洗洗涤物L,并通过包含在碱性离子水中的负离子等,对洗涤物L、水桶3、洗涤桶4进行除菌。当伴随着旋转翼5的旋转的洗涤水的循环开始起经过了规定的漂洗时间时,控制部35使旋转翼5停止,打开排水阀23从水桶3以及洗涤桶4排水,由此结束正式漂洗过程。漂洗过程也可以实施多次。
接下来,控制部35开始脱水过程。具体而言,控制部35在打开排水阀23的状态下使洗涤桶4脱水旋转。脱水旋转中的洗涤桶4的转速阶段性地上升,最终例如达到800rpm的最高转速后,停止向电动机6施加电压,由此洗涤桶4进行惯性旋转。通过由洗涤桶4的脱水旋转产生的离心力,洗涤桶4内的洗涤物L被脱水。通过脱水从洗涤物L渗出的水从排水路22向机外排出。当洗涤桶4的惯性旋转停止时,控制部35结束脱水过程。脱水过程既可以作为最终脱水过程在洗涤运转的最后实施,也可以作为中间脱水过程在正式清洗过程等刚结束后实施。
如上所述,多个引导罩8沿洗涤桶4的周向P分散地排列在洗涤桶4的内表面部上,在各个引导罩8上可拆装地装接有容纳镁丸M的容纳部9。由此,在对应的引导罩8各装接有一个容纳部9的多个容纳部9也沿洗涤桶4的周向P分散地排列在洗涤桶4的内表面部上。因此,即使增加镁丸M向洗涤桶4的投入量,这些镁丸M也少量分散地容纳于各个容纳部9,因此不会破坏洗涤桶4的旋转平衡。因此,在脱水过程中,洗涤桶4能不受增加的镁丸M的影响而顺畅地旋转。然后,在浸洗过程等中,通过增加的镁丸M与洗涤桶4内的洗涤水发生化学反应,大量生成有助于洗涤的碱性离子水。
此外,当随着与洗涤水的接触而在镁丸M的表面形成例如黑色的氧化膜时,镁丸M难以与洗涤水发生化学反应。此外,当通过反复使用而使镁丸缩小至某种程度时,镁丸M达到使用寿命,因此需要更换新的镁丸M。在这些情况下,即使不委托修理人员,用户自身也能使容纳部9从引导罩8脱离而维护容纳部9 内的镁丸M,然后重新将容纳部9装接于引导罩8。作为维护的具体例,如果用户从容纳部9取出内容纳部32并浸泡到柠檬酸水溶液中,则镁丸M通过从表面除去氧化膜而被刷新。如此,在将单个内容纳部32浸泡于柠檬酸水溶液中的情况下,与在洗涤桶4中蓄留柠檬酸水溶液直至浸泡内容纳部32的情况相比,使用少量柠檬酸水溶液即可实现。此外,在镁丸M达到使用寿命的情况下,用户能将原来的内容纳部32更换为容纳有新的镁丸M的新的内容纳部32,或者将内容纳部32分解而更换镁丸M。需要说明的是,用户也能实施去除已脱离的容纳部9的外容纳部31的过滤器33捕获到的异物的维护。
以上的结果是,能实现顺利的脱水过程,同时能利用镁有效地洗涤洗涤物L,能谋求镁的维护性的提高。此外,像这样将镁丸M的装接部预先确定为引导罩8的构成,能防止在洗涤运转时忘记投入镁丸M的不良情况。
此外,容纳部9装接于由引导罩8构成的循环水路29。由此,通过促进容纳于容纳部9的镁丸M与在循环水路29中流动的洗涤水的化学反应,生成大量的碱性离子水,并且生成的碱性离子水积极地喷淋到洗涤桶4内的洗涤物L上。因此,能利用由镁丸M的镁生成的大量的碱性离子水有效地洗涤洗涤物L。
在容纳部9中,镁丸M容纳于内容纳部32的第二内部空间32N中,内容纳部32容纳于外容纳部31的第一内部空间31Q中。第一内部空间31Q以及第二内部空间32N是在循环水路29中流动的洗涤水的通道,因此,通过促进容纳在容纳部9中的镁丸M与在第一内部空间31Q以及第二内部空间32N中流动的洗涤水的化学反应,能生成大量的碱性离子水。因此,能利用由镁丸M的镁生成的大量的碱性离子水有效地洗涤洗涤物L。进而,内容纳部32相对于外容纳部31可拆装,因此用户能使容纳部9从引导罩8脱离而分离成外容纳部31和内容纳部32,在维护内容纳部32内的镁丸M之后,以与脱离时相反的顺序将容纳部9重新装接于引导罩8。由此,能谋求镁的维护性的提高。
此外,容纳镁丸M的第二内部空间32N被划分为在上下方向Z上排列的多个容纳室32Q,越是下侧Z2的容纳室32Q,容纳室32Q中的镁丸M的容纳量越多。就是说,在汲取洗涤水的循环水路29中,越是大量的洗涤水猛烈地喷起的下侧Z2的容纳室32Q,镁丸M的容纳量越多,与下侧Z2的容纳室32Q相比,越是洗涤水的流量少且洗涤水的水势弱的上侧的容纳室32Q,镁丸M的容纳量 越少。如此,在各个容纳室32Q中,容纳有与各个容纳室32Q中的洗涤水的流量以及水势相应的适当的容纳量的镁丸M。由此,在各个容纳室32Q中,因洗涤水的流动而活跃地移动的镁丸M与洗涤水有效地发生化学反应而促进了碱性离子水的生成,因此能在整个第二内部空间32N生成大量的碱性离子水。因此,能利用由镁丸M的镁生成的大量的碱性离子水有效地洗涤洗涤物L。
此外,镁丸M在各个容纳室32Q中所占的比例为70%以下,各个镁丸M在容纳室32Q中活跃地移动,因此能确保镁丸M中的与洗涤水的接触面积较大。由此,在各个容纳室32Q中,通过各个镁丸M与洗涤水有效地发生化学反应而促进碱性离子水的生成,因此能在整个第二内部空间32N生成大量的碱性离子水。因此,能利用由镁丸M的镁生成的大量的碱性离子水有效地洗涤洗涤物L。
此外,当通过与洗涤水的化学反应而产生的氢气附着于镁丸M的表面时,随后的化学反应变得迟缓,但是如上所述,镁丸M在各容纳室32Q中活跃地移动,由此氢气难以附着于镁丸M的表面。由此,在各个容纳室32Q中,通过各个镁丸M与洗涤水有效地发生化学反应,由此促进了碱性离子水的生成。
本发明并不限定于以上说明的实施方式,能在技术方案所记载的范围内进行各种变更。
例如,在可能被碱性离子水损伤的敏感材料的洗涤物L的情况下,只要在将容纳了成为碱性离子水的来源的镁丸M的内容纳部32从容纳部9卸下的状态下进行洗涤运转即可。
此外,装接有容纳部9的装接部在上述的实施方式中是循环水路29,但也可以与循环水路29不同的方式存在。在图11所示的变形例中,在洗涤桶4中的圆周壁4A与底壁4B的边界部分上绕开循环水路29也就是引导罩8的多个部分是装接部。然后,沿周向P延伸的圆弧状的容纳部9可拆装地装接于各装接部。容纳部9是形成有用于使洗涤水出入的狭缝状的出入口9A的中空体,直接容纳大量的镁丸M。
洗衣机1在上述的实施方式中是立式洗衣机,但也可以是洗涤桶4的旋转轴线J沿前后方向Y水平延伸的滚筒式洗衣机。进而,洗衣机1也可以是具有烘干功能的洗干一体机。此外,在上述的洗涤运转中,也可以省略浸洗过程。

Claims (5)

  1. 一种洗衣机,其特征在于,包括:
    洗涤桶,呈圆筒状,容纳洗涤物并能蓄留洗涤水,能绕穿过所述洗涤桶的圆心的旋转轴线旋转;
    多个装接部,在绕所述旋转轴线的旋转方向上分散地排列在所述洗涤桶的内表面部;以及
    容纳部,可拆装地分别装接于所述多个装接部并容纳镁丸。
  2. 根据权利要求1所述的洗衣机,其特征在于,
    所述旋转轴线在垂直方向或相对于垂直方向的倾斜方向上延伸,
    所述装接部具有配置在所述洗涤桶的底壁侧的入口和配置在比所述入口高的位置且面向所述洗涤桶内的出口,构成用于从所述入口汲取所述洗涤桶内的洗涤水并使其从所述出口返回到所述洗涤桶内的循环水路。
  3. 根据权利要求2所述的洗衣机,其特征在于,
    所述容纳部包括外容纳部和内容纳部,
    所述外容纳部具有成为在所述循环水路中流动的洗涤水的通道的第一内部空间和从在所述第一内部空间中流动的洗涤水中捕获异物的过滤器,
    所述内容纳部相对于所述外容纳部可拆装并容纳于所述第一内部空间,具有成为在所述第一内部空间中流动的洗涤水的通道的第二内部空间,在所述第二内部空间中容纳镁丸。
  4. 根据权利要求3所述的洗衣机,其特征在于,
    所述第二内部空间被划分为在上下方向上排列并容纳镁丸的多个容纳室,
    各个所述所述容纳室中,越是下侧的所述容纳室,镁丸的容纳量越多。
  5. 根据权利要求4所述的洗衣机,其特征在于,
    镁丸在各个所述容纳室中所占的比例为70%以下。
PCT/CN2020/131744 2019-12-26 2020-11-26 洗衣机 WO2021129300A1 (zh)

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