WO2017144019A1 - 清洗机 - Google Patents

清洗机 Download PDF

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Publication number
WO2017144019A1
WO2017144019A1 PCT/CN2017/074834 CN2017074834W WO2017144019A1 WO 2017144019 A1 WO2017144019 A1 WO 2017144019A1 CN 2017074834 W CN2017074834 W CN 2017074834W WO 2017144019 A1 WO2017144019 A1 WO 2017144019A1
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WO
WIPO (PCT)
Prior art keywords
water
water flow
tub
washing
storage space
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Application number
PCT/CN2017/074834
Other languages
English (en)
French (fr)
Inventor
西浦直人
田中启之
Original Assignee
青岛海尔洗衣机有限公司
海尔亚洲株式会社
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, 海尔亚洲株式会社 filed Critical 青岛海尔洗衣机有限公司
Priority to CN201780012330.4A priority Critical patent/CN108699749B/zh
Publication of WO2017144019A1 publication Critical patent/WO2017144019A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis

Definitions

  • the invention relates to a washing machine.
  • the washing machine described in Patent Document 1 includes a stirrer that is rotatably provided at the bottom of the washing tub, and a lifting rib that is provided on the inner circumferential surface of the washing tub.
  • the lifting rib is swelled toward the inner peripheral side of the washing tub in a posture inclined by a predetermined angle with respect to the rotating shaft of the agitator.
  • the laundry in the washing tub follows the flow of water generated by the rotation of the agitator.
  • the washing along the water flows in contact with the lifting ribs, it is lifted and lowered along the inclination of the lifting ribs. Thereby, the laundry located on the bottom side in the washing tub is lifted.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2006-68189
  • the present invention has been made in view of the above circumstances, and an object thereof is to provide a washing machine capable of improving the washing power.
  • the present invention relates to a washing machine comprising: a washing tub having a storage space for storing a washing object therein and capable of storing water; a water flow generating member generating a water flow by water stored in the washing tub; and an opposite portion provided at The cleaning tub is opposed to the storage space from the lower side, and faces the storage space from the lower side
  • the method is formed with a discharge port that discharges the water flow generated by the water flow generating member upward toward the storage space; and an anti-floating member that protrudes into the storage space at an upper side of the discharge port, Preventing the cleaning object in the storage space from floating up.
  • the floating prevention member is provided in the middle of the vertical direction of the storage space.
  • the present invention is characterized in that the lower surface portion of the anti-floating member includes a flat surface.
  • the water flow generating member generates a water flow from the water stored in the washing tub, and the opposing portion faces the storage space of the washing tub from the lower side, the water flow from the discharge port formed in the opposite portion toward the storage space
  • the object to be discharged is discharged from the lower side to the storage space. Thereby, the cleaning object is cleaned.
  • the object to be cleaned is poured from the lower side to be floated.
  • the anti-floating member protruding in the storage space on the upper side of the discharge port is located on the top of the cleaning object to be floated, it is possible to prevent the cleaning target from floating above the predetermined distance.
  • the distance from the discharge port to the object to be cleaned can be kept short, it is possible to increase the washing power by strongly splashing the water flow from the discharge port toward the object to be cleaned.
  • the water flow discharged upward from the discharge port may be splashed toward the cleaning target after rebounding to the opposite side of the lower surface portion of the floating prevention member.
  • the object to be cleaned can be efficiently stirred in the region from the opposing portion to the floating prevention member of the storage space. Therefore, since the water flow can be poured to each corner of the object to be cleaned, it is possible to further improve the cleaning power.
  • the anti-floating member is provided in the middle of the vertical direction of the storage space, it is possible to reliably prevent the cleaning target in the storage space from being lifted by a predetermined distance or more.
  • the water flow discharged upward from the discharge port can be reliably rebounded toward the opposing portion side by the flat surface included in the lower surface portion of the floating prevention member.
  • Fig. 1 is a longitudinal sectional view showing an internal structure of a washing machine according to an embodiment of the present invention.
  • Fig. 2 is a longitudinal sectional view showing the internal structure of a washing machine according to a modification.
  • the washing machine 1 is a device for cleaning the cleaning target Q.
  • An example of the cleaning target Q is a laundry such as clothes, and the washing machine 1 in this case is a washing machine.
  • Other examples of the cleaning target Q are fruits, vegetables, and the like.
  • the washing machine 1 can also have the function of drying the cleaning object Q.
  • FIG. 1 is a longitudinal sectional view showing the internal structure of the washing machine 1.
  • the washing machine 1 includes a casing (not shown) formed in a box shape, and a washing tub 2 disposed in the casing.
  • the washing tub 2 includes an outer tub 3 elastically supported to the cabinet via a damper (not shown), and an inner tub 4 rotatable in the outer tub 3.
  • the washing machine 1 further includes: an opposing portion 5 provided in the inner tub 4, a water lifting member 6, a motor 7 that rotates the inner tub 4, a water flow generating member 8 that is rotatable in the inner tub 4 by receiving a driving force of the motor 7, and Anti-floating member 9. It should be noted that the washing machine 1 may not be equipped with a pulsator for a general washing machine.
  • the outer tub 3 is made of, for example, a resin, and has a bottomed cylindrical shape having a central axis extending in the vertical direction Z.
  • the outer tub 3 has a substantially cylindrical circumferential wall 3B having a substantially circular opening 3A at the upper end portion, a substantially circular plate-shaped bottom wall 3C that blocks the hollow portion of the circumferential wall 3B from the lower side Z2, and a circumference.
  • the wall 3B and the bottom wall 3C surround a substantially cylindrical inner space 3D which is exposed from the opening 3A to the upper side Z1.
  • the upper end portion of the circumferential wall 3B in which the opening 3A is formed is formed in an annular shape surrounding the opening 3A.
  • the opening 3A is opened and closed by a cover (not shown) connected to the upper end portion of the circumferential wall 3B.
  • Water such as tap water, bath water, and a liquid in which detergent is dissolved is stored in the internal space 3D from the side of the bottom wall 3C.
  • the inner tub 4 has a central axis extending in the up-and-down direction Z and is formed in a bottomed cylindrical shape that is slightly smaller than the outer tub 3. That is, the inner tub 4 is in a vertically disposed state.
  • the inner tub 4 has a substantially cylindrical circumferential wall 4B having an opening 4A having a substantially circular shape at an upper end portion, a substantially circular plate-shaped bottom wall 4C coaxially connected to a lower end of the circumferential wall 4B, and a circumferential wall 4B.
  • a substantially cylindrical inner space 4D surrounded by the bottom wall 4C and exposed from the opening 4A to the upper side Z1.
  • the circumferential wall 4B is made of metal
  • the center portion of the bottom wall 4C is made of metal
  • the outer peripheral portion is made of resin.
  • a portion where the outer side portion of the bottom wall 4C protrudes toward the upper side Z1 can be regarded as the lower end portion of the circumferential wall 4B.
  • the lower end portion of the bottom wall 4C and the circumferential wall 4B connected to the bottom wall 4C constitutes the bottom of the inner tub 4.
  • the inner tub 4 is housed coaxially in the outer tub 3.
  • the inner tub 4 is rotatable about a center axis passing through its center.
  • the central axis of the inner tub 4 is referred to as a rotation axis J.
  • the circumferential direction around the rotation axis J is referred to as a circumferential direction S
  • the radial direction centered on the rotation axis J is referred to as a radial direction R.
  • the circumferential direction S and the radial direction R are directions along the horizontal direction H.
  • a side close to the rotation axis J is referred to as a radially inner side R1
  • a side away from the rotation axis J is referred to as a radially outer side R2.
  • the opening 4A communicates with the opening 3A of the outer tub 3 from the lower side Z2, and the opening 3A and the opening 4A are opened and closed together by the above-described cover (not shown).
  • the user of the washing machine 1 can put the cleaning object Q into the internal space 4D of the inner tub 4 via the open opening 4A.
  • the cleaning target Q is stored in the internal space 4D.
  • a through hole 4E is formed in each of the circumferential wall 4B and the bottom wall 4C, and water in the outer tub 3 can pass between the outer tub 3 and the inner tub 4 via the through hole 4E.
  • the internal space 4D stores water from the side of the bottom wall 4C so as to reach the same water level as the outer tub 3.
  • the plurality of through holes 4E formed in the bottom wall 4C are arranged at intervals in the circumferential direction S at a position on the side of the rotation axis line J, that is, the radially inner side R1.
  • An annular balance ring 11 is attached to the upper end portion of the inner peripheral surface 4F of the inner wall 4D which is defined by the radially outer side R2 of the circumferential wall 4B.
  • the balance ring 11 is a device that attenuates the vibration of the inner tub 4 at the time of rotation, and a cavity 11A inside the balance ring 11 houses a liquid such as saline for helping to attenuate the vibration.
  • a concave arrangement region 12 having a concave portion on the lower side Z2 is formed on the upper surface of the bottom wall 4C.
  • the arrangement region 12 is a vertically flat cylindrical space that is coaxial with the bottom wall 4C.
  • the arrangement region 12 is in a state of being surrounded by the lower end portion of the circumferential wall 4B from the radially outer side R2.
  • the opposing portion 5 is a cap that is formed in a disk shape having a central axis coinciding with the rotation axis J and is flat in the horizontal direction H, and is attached to the inner tub 4 in a state in which the upper side Z1 covers almost the entire region of the arrangement region 12 bottom.
  • the opposing portion 5 may be provided as a part of the bottom of the inner tub 4 and integrally provided in the inner tub 4. Through the opposing portion 5, the internal space 4D of the inner tub 4 is in a state of being vertically partitioned into the arrangement region 12 and the cleaning region 13 located on the upper side Z1 of the arrangement region 12.
  • the opposing portion 5 is in a state of being opposed to the cleaning region 13 from the lower side Z2.
  • the arrangement area 12 is a small area occupying the lower end portion of the internal space 4D
  • the cleaning area 13 is an area that occupies most of the internal space 4D and is sandwiched by the opposing portion 5 and the balance ring 11 from the up and down direction Z.
  • the cleaning object Q of the internal space 4D is disposed in the cleaning area 13.
  • the cleaning area 13 is a storage space 2A that is formed inside the washing tub 2 and actually houses the cleaning target Q.
  • a plurality of discharge ports 5A are formed at intervals in the circumferential direction S. Each of the discharge ports 5A is in a state of penetrating the outer peripheral portion of the opposing portion 5 in the vertical direction Z and facing the cleaning region 13 from the lower side Z2 so that the outer peripheral portion of the arrangement region 12 communicates with the cleaning region 13.
  • the water-lifting member 6 is formed in a water-conducting tubular shape that bulges toward the radially inner side R1 and extends in the vertical direction Z, and is attached to the inner peripheral surface 4F of the circumferential wall 4B of the inner tub 4 from the radially inner side R1.
  • a plurality of water-lifting members 6 may be provided, and in this case, the plurality of water-lifting members 6 are arranged side by side in the circumferential direction S.
  • the upper end portion 6A of the water-lifting member 6 is disposed in the middle of the vertical direction Z of the washing region 13 and is disposed in the approximate center of the washing region 13 in detail.
  • the upper end portion 6A has a hollow protruding portion 6B that protrudes toward the radially inner side R1.
  • a water spout 6C that communicates with the hollow portion of the protruding portion 6B and faces the rotation axis J from the radially inner side R1 is formed.
  • a water passage 14 extending in the vertical direction Z is formed between the water lifting member 6 and the inner peripheral surface 4F.
  • the hollow portion of the protruding portion 6B is a part of the water passage 14.
  • the water passage 14 is exposed from the water spout 6C to the radially inner side R1.
  • the lower end of the water passage 14 is referred to as a suction port 14A.
  • the suction port 14A is connected from the upper side Z1 to a portion of the outer peripheral portion of the arrangement region 12 that is not covered by the opposing portion 5.
  • a guide portion 4G is formed at the lower end portion of the circumferential wall 4B.
  • the guide portion 4G is a curved surface that bulges toward the radially outer side R2 toward the upper side Z1, and faces the outer peripheral portion of the arrangement region 12 from the radially outer side R2.
  • the guide portion 4G may be provided at least at the same position in the circumferential direction S as the discharge port 5A of each of the discharge port 5A of the opposing portion 5 and the water suction passage 14 in the circumferential direction S. However, the guide portion 4G may be provided at the bottom portion in the circumferential direction S. The entire area.
  • the upper end of the guide portion 4G at the same position as the discharge port 5A in the circumferential direction S is connected to the discharge port 5A from the lower side Z2.
  • the upper end of the guide portion 4G located at the same position as the suction port 14A in the circumferential direction S is connected to the suction port 14A from the lower side Z2.
  • the motor 7 is disposed in the casing on the lower side Z2 of the bottom wall 3C of the outer tub 3.
  • the output shaft of the motor 7 branches into a tubular first transmission shaft 15 extending to the upper side Z1 and a second transmission shaft 16 having a clearance inserted through the first transmission shaft 15.
  • the motor 7 can selectively output a driving force from either one of the first transmission shaft 15 and the second transmission shaft 16 via a known shifting mechanism 17.
  • the first transmission shaft 15 extends to the upper side Z1, penetrates the center of the bottom wall 3C, and is connected to the center of the bottom wall 4C of the inner tub 4.
  • the upper end portion of the first transmission shaft 15 has a flange portion 15A that protrudes in a brim shape, and is coupled to the inner tub 4 by fixing the flange portion 15A to the bottom wall 4C from the lower side Z2.
  • the water flow generating member 8 is disposed on the upper side Z1 of the bottom wall 4C of the inner tub 4 in a state where the arrangement region 12 of the lower side Z2 of the opposing portion 5 is not in contact with both the bottom portion of the inner tub 4 and the opposing portion 5.
  • the internal space 4D of the inner tub 4 is in the arrangement area 12 partitioned to be provided with the water flow generating member 8, and in the opposite portion 5 Since the upper side Z1 is in a state in which the cleaning area 13 of the cleaning target Q is disposed, it is possible to prevent the cleaning target Q of the cleaning area 13 from coming into contact with the rotating water flow generating member 8 and being damaged. Thereby, the number of rotations of the water flow generating member 8 can be set high.
  • the water flow generating member 8 has a top plate portion 20 and a plurality of blade portions 21.
  • the top plate portion 20 has a disk shape having a central axis that coincides with the rotation axis J, and has a plate thickness direction that coincides with or substantially coincides with the plate thickness direction of the bottom wall 4C of the inner tub 4.
  • the outer diameter of the top plate portion 20 is almost the same as the outer diameter of the opposing portion 5.
  • the top plate portion 20 is adjacent to the opposing portion 5 from the lower side Z2 and arranged in a parallel state. In the center of the lower surface portion 20A of the top plate portion 20 that coincides with the rotation axis J, the upper end portion 16A of the second transmission shaft 16 that is exposed to the upper side Z1 of the flange portion 15A is coupled to the lower side Z2.
  • the plurality of blade portions 21 are thin blades that are thin in the circumferential direction S and radially extend toward the radially outer side R2 so as to be apart from the rotation axis J, and are disposed on the lower surface portion 20A of the top plate portion 20 so as to be aligned in the circumferential direction S. .
  • the lower surface portion 20A is provided with a columnar space surrounded by the respective blade portions 21 from the radially outer side R2. This space is referred to as an intake space 25.
  • the lower surface portion 20A is provided with a water path 26 sandwiched between adjacent blade portions 21 in the circumferential direction S, that is, between the adjacent first blade portion 23 and second blade portion 24.
  • Each of the water passages 26 is formed to communicate with the intake space 25 from the radially outer side R2 and radially extend from the intake space 25 to the radially outer side R2.
  • the end of the radially outer side R2 of each water passage 26 is an outlet 26A that is exposed to the radially outer side R2.
  • Each of the water passages 26 is in a state of being blocked by the top plate portion 20 from the upper side Z1.
  • each of the blade portions 21 is in a state of being opposed to the bottom wall 4C of the inner tub 4 from the upper side Z1 without contact.
  • the water flow generation member 8 may have a closing portion (not shown) that is connected to the lower end of each blade portion 21 and blocks each water passage 26 from the lower side Z2.
  • the suction space 25 is in a state in which the upper side Z1 faces the through hole 4E on the rotation axis J side of the bottom wall 4C.
  • the guide portion 4G formed at the bottom of the inner tub 4 is adjacent to the water flow generating member 8 from the radially outer side R2, and is always in a state of being opposed to the outlet 26A of at least one of the water passages 26 from the radially outer side R2.
  • the floating prevention member 9 is provided in the middle of the vertical direction Z of the storage space 2A of the washing tub 2, that is, in the middle of the vertical direction Z of the washing area 13, and is provided in the approximate center of the washing area 13 in detail.
  • the floating prevention member 9 is formed in a flange shape in which the upper side Z1 of the discharge port 5A of the opposing portion 5 protrudes from the inner circumferential surface 4F of the inner tub 4 toward the radially inner side R1 toward the cleaning region 13 .
  • the anti-floating member 9 is provided at least at the same position as the discharge port 5A of the opposing portion 5 in the circumferential direction S.
  • the lower surface portion 9A of the anti-floating member 9 is in a state of being opposed to the discharge port 5A from the upper side Z1.
  • a flat surface 9B that is flat in the horizontal direction H is provided in a region of the lower surface portion 9A directly above the discharge port 5A.
  • the protruding portion 6B of the upper end portion 6A of the water lifting member 6 provided in the up-and-down direction Z at almost the same position as the floating prevention member 9 may be regarded as the floating prevention member 9.
  • the lower surface portion of the protruding portion 6B functions as the lower surface portion 9A including the above-described flat surface 9B.
  • the water flow generating member 8 in the arrangement region 12 is in a state of being immersed in water.
  • the driving force of the motor 7 is transmitted from the second transmission shaft 16 to the water flow generating member 8, whereby the water flow generating member 8 is rotated about the rotation axis J.
  • the inner tub 4 is in a stopped state.
  • the water existing in the intake space 25 flows into the respective water passages 26 by the centrifugal force generated by the rotation of the water flow generating member 8, and flows in the respective water passages 26 away from the rotation axis J.
  • the water existing in the lower side Z2 of the water flow generating member 8 in the arrangement region 12 is drawn by the water flow in each of the water passages 26, and flows away from the rotation axis J.
  • the water of the arrangement region 12 flows as such, as indicated by the dotted arrow, the water of the gap 27 between the circumferential wall 3B of the outer tub 3 and the circumferential wall 4B of the inner tub 4 present in the radial direction R is generated by the rotating water flow.
  • the member 8 is pulled, passes through the gap 27, and after reaching the gap 28 between the bottom wall 3C of the outer tub 3 and the bottom wall 4C of the inner tub 4, is taken into the arrangement region 12 from the through hole 4E of the bottom wall 4C.
  • the centrifugal force generated by the rotation generates a water flow, and flows to the radially outer side R2 of the water flow generating member 8.
  • This water flow is guided to the upper side Z1 toward the discharge port 5A of the opposite portion 5 or the suction port 14A of the water passage 14 through the guide portion 4G located in the forward direction of the flow direction.
  • the water flow directed to the discharge port 5A is strongly poured upward from the discharge port 5A toward the cleaning area 13.
  • the water flow of the suction port 14A of the guide water passage 14 rises from the suction port 14A in the water passage 14 and is strongly discharged from the water spout 6C of the water lifting member 6, and is poured down to the cleaning.
  • the flow of water discharged from the discharge port 5A and the water spout 6C to the washing area 13 by the rotation of the water flow generating member 8 is poured into the cleaning target Q of the internal space 4D or the agitation cleaning target Q, thereby cleaning the object Q. Wash it.
  • the detergent may be contained in the water stream, in which case the stain of the cleaning object Q is contaminated by the detergent break down.
  • the water flow from the discharge port 5A is poured from the lower side Z2 toward the cleaning object Q, whereby the cleaning object Q is to be floated, but the floating prevention member 9 of the upper side Z1 of the discharge port 5A is located on the top of the cleaning object Q to be floated. Therefore, it is possible to prevent the cleaning target Q from floating above the predetermined distance in the storage space 2A of the washing tub 2 in the washing area 13.
  • the anti-floating member 9 is provided in the middle of the vertical direction Z of the storage space 2A, it is possible to reliably prevent the cleaning target Q in the storage space 2A from floating above a predetermined distance.
  • the cleaning target Q stays on the lower side Z2 of the floating prevention member 9, whereby the vertical distance from the discharge port 5A to the cleaning target Q is kept short, so that the flow of water from the discharge port 5A can be strongly splashed
  • the object Q is cleaned to improve the cleaning power.
  • the water flow discharged upward from the discharge port 5A may be bounced toward the cleaning target Q after being bounced toward the opposite portion 5 side by the lower surface portion 9A of the floating prevention member 9.
  • the cleaning target Q can be effectively stirred in the region from the opposing portion 5 to the floating prevention member 9 of the storage space 2A. Therefore, since the water flow can be poured to each corner of the cleaning target Q, it is possible to further improve the cleaning power.
  • the flow of water discharged upward from the discharge port 5A can be reliably bounced toward the opposite portion 5 side by the horizontal flat surface 9B included in the lower surface portion 9A.
  • the water in the washing area 13 flows out from the through hole 4E of the circumferential wall 4B of the inner tub 4 to the gap 27 between the circumferential wall 3B of the outer tub 3 and the circumferential wall 4B of the inner tub 4, and is taken up into the arrangement area by the rotating water flow generating member 8. 12 becomes a water flow and is discharged again to the washing area 13. That is, during the rotation of the water flow generating member 8, the water in the inner space 4D of the inner tub 4 becomes a water flow and circulates between the arrangement region 12 and the washing region 13. In addition, after the cleaning target Q is cleaned, the inner tub 4 is rotated in a state where the water flow generating member 8 is stopped, and the cleaning target Q can be dehydrated by the centrifugal force.
  • the anti-floating member 9 can also function to agitate the baffle of the cleaning object Q by rotating together with the inner tub 4.
  • a ring member formed in a ring shape similarly to the balance ring 11 may be disposed on the lower side Z2 of the balance ring 11, and a part of the ring member may constitute the floating prevention member 9.
  • the anti-floating member 9 is preferably not more radially inward than the inner periphery 3E of the opening 3A of the outer tub 3 Out. That is, the peripheral edge portion of the anti-floating member 9 located on the radially inner side R1 is preferably disposed to be radially outward R2 from the inner peripheral edge 3E of the opening 3A. Thereby, it is possible to prevent the floating prevention member 9 from becoming an obstacle when the cleaning object Q is taken in and out through the opening 3A.
  • FIG. 2 is a longitudinal cross-sectional view showing an internal structure of a washing machine 1 according to a modification.
  • the same portions as those described above are denoted by the same reference numerals, and the description thereof will be omitted.
  • the size of the inner tub 4 in the vertical direction Z is small, whereby the vertical interval between the opening 3A of the outer tub 3 and the opening 4A of the inner tub 4 is large as shown in FIG. 2 .
  • the space 3F constitutes the storage space 2A of the above-described washing tub 2.
  • the portion of the circumferential wall 3B of the outer tub 3 located on the upper side Z1 of the opening 4A may be transparent or translucent so that the cleaning object Q in the accommodation space 2A can be visually observed from the outside of the machine.
  • the balance ring 11 attached to the upper end portion of the circumferential wall 4B of the inner tub 4 is disposed as follows, and also has the function of the above-described anti-floating member 9 in the middle of the vertical direction Z of the storage space 2A. Specifically, it is located substantially at the center of the vertical direction Z of the storage space 2A, and protrudes from the radially outer side R2 into the storage space 2A.
  • the anti-floating member 9 is constituted by the balance ring 11.
  • the lower surface portion of the balance ring 11 functions as the lower surface portion 9A including the flat surface 9B described above.
  • the water flow from the discharge port 5A is poured from the lower side Z2 to the cleaning target Q, whereby the cleaning object Q is to be floated, but since the balance ring 11 is located on the top of the cleaning object Q to be floated, it is possible to prevent the cleaning target Q from floating upward. Distance above.
  • the rotation axis J may be disposed to be inclined with respect to the vertical direction Z.
  • the opposing portion 5 and the water flow generating member 8 are disposed to be inclined with respect to the horizontal direction H, thereby maintaining a posture orthogonal to the rotation axis J.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

一种能够谋求提高清洗力的清洗机(1)。清洗机(1)包括：清洗桶(2)，在内部形成有收纳清洗对象(Q)的收纳空间(2A)并可蓄水；水流产生构件(8)，由蓄于清洗桶(2)的水产生水流；对置部(5)，从下侧(Z2)与收纳空间(2A)对置；以及防上浮构件(9)。在对置部(5)，以从下侧(Z2)面朝收纳空间(2A)的方式形成有将水流产生构件(8)所产生的水流向上朝收纳空间(2A)排出的排出口(5A)。防上浮构件(9)在排出口(5A)的上侧(Z1)向收纳空间(2A)内突出，防止收纳空间(2A)中的清洗对象(Q)上浮。

Description

清洗机 技术领域
本发明涉及一种清洗机。
背景技术
专利文献1中记载的洗衣机包括：以可旋转的方式设于洗涤筒的底部的搅拌器、以及设于洗涤筒的内周面的提升筋。提升筋以相对于搅拌器的旋转轴倾斜规定角度的姿势向洗涤筒的内周侧鼓出设置。在洗涤、漂洗运转中，洗涤筒内的洗涤物顺着由搅拌器的旋转产生的水流。当顺着水流的洗涤物与提升筋接触时，沿着提升筋的倾斜而被升降。由此，在洗涤筒内位于底部侧的洗涤物被提升。
对于清洗机而言，一直要求提高对于专利文献1的洗涤物那样的清洗对象的清洗力。
现有技术文献
专利文献
专利文献1：日本特开2006-68189号公报
发明内容
发明所要解决的问题
本发明是在该背景下完成的发明，其目的在于提供一种能够谋求提高清洗力的清洗机。
用于解决问题的方案
本发明是一种清洗机，包括：清洗桶，在内部形成有收纳清洗对象的收纳空间并可蓄水；水流产生构件，由蓄于所述清洗桶的水产生水流；对置部，设于所述清洗桶，从下侧与所述收纳空间对置，并以从下侧面朝所述收纳空间的 方式形成有排出口，所述排出口将所述水流产生构件所产生的水流向上朝所述收纳空间排出；以及防上浮构件，在所述排出口的上侧向所述收纳空间内突出，用于防止所述收纳空间中的清洗对象上浮。
此外，本发明的特征在于，所述防上浮构件设于所述收纳空间的上下方向的中途。
此外，本发明的特征在于，所述防上浮构件的下表面部包括平坦面。
发明效果
根据本发明，水流产生构件由蓄于清洗桶的水产生水流，对置部从下侧与清洗桶的收纳空间对置，所述水流从形成于所述对置部的排出口向上朝收纳空间排出，并从下侧泼向收纳空间的清洗对象。由此，对清洗对象进行清洗。
清洗对象被从下侧泼水从而将要上浮，但由于在排出口的上侧向收纳空间内突出的防上浮构件位于将要上浮的清洗对象的顶上，因此能防止清洗对象上浮规定距离以上。由此，能使从排出口到清洗对象的距离被保持得较短，因此能通过使来自排出口的水流强劲地泼向清洗对象来谋求提高清洗力。
此外，从排出口向上排出的水流有时会在被防上浮构件的下表面部反弹向对置部侧之后泼向清洗对象。由此，能在收纳空间的从对置部到防上浮构件的区域能有效地搅拌清洗对象。因此，由于水流能泼向清洗对象的各个角落，因此能够谋求进一步提高清洗力。
此外，根据本发明，由于防上浮构件设于收纳空间的上下方向的中途，因此能可靠地防止收纳空间内的清洗对象上浮规定距离以上。
此外，根据本发明，能将从排出口向上排出的水流通过防上浮构件的下表面部所包括的平坦面可靠地反弹向对置部侧。
附图说明
图1是本发明的一实施方式的清洗机的内部构造的纵剖图。
图2是变形例的清洗机的内部构造的纵剖图。
具体实施方式
以下，参照附图，对本发明的实施方式的清洗机1进行具体说明。清洗机1是用于对清洗对象Q进行清洗的装置。清洗对象Q的一例为衣物等洗涤物，该情况下的清洗机1为洗衣机。清洗对象Q的其他例子为水果、蔬菜等。清洗机1也可以具有烘干清洗对象Q的功能。
图1是清洗机1的内部构造的纵剖图。首先，以图1中的上下方向Z为基准对清洗机1的概要进行说明。在纵向即上下方向Z中，将上侧称为上侧Z1，将下侧称为下侧Z2。清洗机1包括：形成为箱状的机壳(未图示)、以及配置于机壳内的清洗桶2。清洗桶2包括：经由减振器(未图示)弹性支承于机壳的外桶3、以及在外桶3内可旋转的内桶4。清洗机1进一步包括：设于内桶4内的对置部5以及扬水构件6、使内桶4旋转的电机7、通过接受电机7的驱动力而在内桶4内可旋转的水流产生构件8、以及防上浮构件9。需要说明的是，该清洗机1也可以不装备用于普通洗衣机的波轮(pulsator)。
外桶3例如为树脂制，形成为具有沿上下方向Z延伸的中心轴线的有底圆筒状。外桶3具有：在上端部具有大致圆形的开口3A的大致圆筒状的圆周壁3B、从下侧Z2堵住圆周壁3B的中空部分的大致圆板形状的底壁3C、以及由圆周壁3B以及底壁3C包围并从开口3A向上侧Z1露出的大致圆柱状的内部空间3D。圆周壁3B的形成有开口3A的上端部形成为包围开口3A的环状。开口3A通过与圆周壁3B的上端部连结的罩(未图示)来开闭。自来水、洗澡水以及溶解有洗涤剂的液体等水从底壁3C侧蓄于内部空间3D。
内桶4具有沿上下方向Z延伸的中心轴线，并形成为比外桶3小一圈的有底圆筒状。也就是说，内桶4处于纵向配置的状态。内桶4具有：在上端部具有大致圆形的开口4A的大致圆筒状的圆周壁4B、与圆周壁4B的下端呈同轴状连接的大致圆板形状的底壁4C、以及由圆周壁4B和底壁4C包围并从开口4A向上侧Z1露出的大致圆柱状的内部空间4D。例如，圆周壁4B为金属制，底壁4C的圆心部分为金属制而外周部分为树脂制。可以将底壁4C的外周部分的向上侧Z1突出的部分看作圆周壁4B的下端部。底壁4C、圆周壁4B的与底壁4C连接的下端部构成内桶4的底部。内桶4呈同轴状收纳于外桶3内。内桶4能够以通过其圆心的中心轴线为中心旋转。将内桶4的中心轴线称为旋转轴线J。
以下，将绕旋转轴线J的周向称为周向S，将以旋转轴线J为中心的径向称为径向R。周向S以及径向R均为沿着水平方向H的方向。在径向R中，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。
开口4A从下侧Z2与外桶3的开口3A连通，开口3A以及开口4A由上述的罩(未图示)一起开闭。清洗机1的使用者能经由敞开的开口4A将清洗对象Q投入取出内桶4的内部空间4D。清洗对象Q收纳于内部空间4D。在圆周壁4B以及底壁4C分别形成有贯通孔4E，外桶3内的水能经由贯通孔4E在外桶3与内桶4之间往来。由此，内部空间4D以达到与外桶3相同水位的方式从底壁4C侧蓄水。形成于底壁4C的多个贯通孔4E在偏向旋转轴线J侧即径向内侧R1的位置沿周向S隔开间隔地配置。
在圆周壁4B的从径向外侧R2划出内部空间4D的内周面4F的上端部，安装有圆环状的平衡环11。平衡环11是减弱旋转时的内桶4的振动的装置，在平衡环11的内部的空腔11A收纳有用于帮助减弱振动的液体例如盐水。在底壁4C的上表面形成有向下侧Z2凹陷一截的凹状的配置区域12。配置区域12是与底壁4C呈同轴状的上下扁平的圆筒状空间。配置区域12处于从径向外侧R2被圆周壁4B的下端部包围的状态。
对置部5是形成为具有与旋转轴线J一致的中心轴线的圆板状且在水平方向H上平坦的盖，以从上侧Z1覆盖配置区域12的几乎整个区域的状态安装于内桶4的底部。对置部5可以作为内桶4的底部的一部分，一体地设于内桶4。通过对置部5，内桶4的内部空间4D处于被上下分隔成配置区域12和位于配置区域12的上侧Z1的清洗区域13的状态。对置部5处于从下侧Z2与清洗区域13对置的状态。配置区域12是占据内部空间4D的下端部的很小的区域，与此相对，清洗区域13是占据大部分内部空间4D并被对置部5和平衡环11从上下方向Z包夹的区域。内部空间4D的清洗对象Q配置于清洗区域13。清洗区域13是形成于清洗桶2的内部并实际收纳有清洗对象Q的收纳空间2A。在对置部5的远离旋转轴线J的外周部，沿周向S以隔开间隔的方式形成有多个排出口5A。各排出口5A处于沿上下方向Z贯通对置部5的外周部并从下侧Z2面朝清洗区域13而使配置区域12的外周部与清洗区域13连通的状态。
扬水构件6形成为向径向内侧R1鼓出并沿上下方向Z延伸的导水管状，从径向内侧R1安装于内桶4的圆周壁4B的内周面4F。可以设有多个扬水构件6，在此情况下，多个扬水构件6沿周向S排列配置。扬水构件6的上端部6A配置于清洗区域13的上下方向Z的中途，详细而言配置于清洗区域13的大致中央。上端部6A具有向径向内侧R1突出的中空的突出部6B。在突出部6B的例如径向内侧R1的侧面，形成有与突出部6B的中空部分连通并从径向内侧R1面朝旋转轴线J的喷水口6C。在扬水构件6与内周面4F之间，形成有沿上下方向Z延伸的扬水路14。突出部6B的中空部分是扬水路14的一部分。扬水路14从喷水口6C向径向内侧R1露出。将扬水路14的下端称为吸入口14A。吸入口14A从上侧Z1连接于配置区域12的外周部的未被对置部5覆盖的部分。
在内桶4的底部的从径向外侧R2划出配置区域12的部分，详细而言在圆周壁4B的下端部，形成有引导部4G。引导部4G是随着朝向上侧Z1而向径向外侧R2鼓起的弯曲面，并从径向外侧R2面朝配置区域12的外周部。引导部4G只要至少设置于底部的在周向S上与对置部5的各排出口5A以及扬水路14的吸入口14A相同的位置即可，但也可以设置于周向S上的底部的整个区域。在周向S上与排出口5A位于相同位置的引导部4G的上端从下侧Z2连接于该排出口5A。在周向S上位于与吸入口14A相同位置的引导部4G的上端从下侧Z2连接于该吸入口14A。
电机7在机壳内配置于外桶3的底壁3C的下侧Z2。电机7的输出轴分支成向上侧Z1延伸的管状的第一传递轴15、和具有游隙地插通于第一传递轴15的第二传递轴16。电机7能通过经由公知的变速机构17，选择性地从第一传递轴15以及第二传递轴16中的任一方输出驱动力。
第一传递轴15向上侧Z1延伸，贯通底壁3C的圆心，并连接于内桶4的底壁4C的圆心。第一传递轴15的上端部具有呈帽檐状突出的凸缘部15A，并通过使凸缘部15A从下侧Z2固定于底壁4C从而与内桶4连结。当电机7被驱动并使驱动力被传递至第一传递轴15时，内桶4绕旋转轴线J旋转。
水流产生构件8在对置部5的下侧Z2的配置区域12以与内桶4的底部以及对置部5双方不接触的状态配置于内桶4的底壁4C的上侧Z1。内桶4的内部空间4D处于被分隔为配置有水流产生构件8的配置区域12、和在对置部5 的上侧Z1配置有清洗对象Q的清洗区域13的状态，因此能防止清洗区域13的清洗对象Q与旋转中的水流产生构件8接触而受损的情况。由此，能将水流产生构件8的转速设置地较高。水流产生构件8具有顶板部20以及多个叶片部21。
顶板部20为具有与旋转轴线J一致的中心轴线的圆板状，并具有与内桶4的底壁4C的板厚方向一致或大致一致的板厚方向。顶板部20的外径与对置部5的外径几乎相同。顶板部20从下侧Z2邻接于对置部5且以平行的状态配置。在顶板部20的下表面部20A的与旋转轴线J一致的圆心，从下侧Z2连结有第二传递轴16的向凸缘部15A的上侧Z1露出的上端部16A。
多个叶片部21是在周向S上薄并以远离旋转轴线J的方式向径向外侧R2呈放射状延伸的叶片，并以沿周向S排列的方式设置于顶板部20的下表面部20A。在下表面部20A设有被各叶片部21从径向外侧R2包围的圆柱状的空间。将该空间称为摄入空间25。在下表面部20A设有夹在周向S上相邻的叶片部21之间，也就是夹在相邻的第一叶片部23与第二叶片部24之间的水路26。水路26存在多个并以沿周向S排列的方式配置。各水路26以如下方式形成：从径向外侧R2与摄入空间25连通并从摄入空间25向径向外侧R2呈放射状延伸。各水路26的径向外侧R2的端部是向径向外侧R2露出的出口26A。
各水路26处于被顶板部20从上侧Z1堵住的状态。另一方面，各叶片部21处于相对于内桶4的底壁4C以不接触的方式从上侧Z1对置的状态。需要说明的是，水流产生构件8也可以具有与各叶片部21的下端连接并从下侧Z2堵住各水路26的闭塞部(未图示)。吸入空间25处于从上侧Z1与底壁4C的旋转轴线J侧的贯通孔4E对置的状态。形成于内桶4的底部的引导部4G从径向外侧R2邻接于水流产生构件8，一直处于从径向外侧R2与至少任一个水路26的出口26A对置的状态。
防上浮构件9设于清洗桶2的收纳空间2A的上下方向Z的中途，也就是设于清洗区域13的上下方向Z的中途，详细而言，设于清洗区域13的大致中央。防上浮构件9形成为在对置部5的排出口5A的上侧Z1从内桶4的内周面4F向径向内侧R1朝清洗区域13内突出的凸缘状。防上浮构件9至少设于在周向S上与对置部5的排出口5A相同的位置。在周向S上与排出口5A位于相同位置 的防上浮构件9的下表面部9A处于从上侧Z1与排出口5A对置的状态。在该下表面部9A的至少位于排出口5A的正上方的区域，设有沿水平方向H平坦的平坦面9B。
也可以将扬水构件6的在上下方向Z设于与防上浮构件9几乎相同的位置的上端部6A的突出部6B看作防上浮构件9。在该情况下，突出部6B的下表面部作为包括上述的平坦面9B的下表面部9A发挥功能。
在外桶3的内部空间3D以及内桶4的内部空间4D蓄有水的状态下，配置区域12内的水流产生构件8处于浸在水中的状态。当在该状态下驱动电机7时，电机7的驱动力从第二传递轴16传递至水流产生构件8，由此，水流产生构件8绕旋转轴线J旋转。在水流产生构件8旋转时，内桶4处于停止的状态。如粗实线箭头所示，存在于摄入空间25的水通过由水流产生构件8的旋转产生的离心力而流入各水路26，并以远离旋转轴线J的方式在各水路26中流动。在配置区域12存在于水流产生构件8的下侧Z2的水被各水路26中的水流牵动，以远离旋转轴线J的方式流动。当配置区域12的水如此流动时，如虚线的箭头所示，存在于径向R上的外桶3的圆周壁3B与内桶4的圆周壁4B之间的间隙27的水被旋转的水流产生构件8牵动，穿过间隙27下降，并在到达外桶3的底壁3C与内桶4的底壁4C之间的间隙28后，从底壁4C的贯通孔4E被摄入配置区域12。
从吸入空间25流入各水路26的水、在配置区域12且在水流产生构件8的下侧Z2以远离旋转轴线J的方式流动的水，也就是蓄于清洗桶2的水因水流产生构件8的旋转所产生的离心力而形成水流，向水流产生构件8的径向外侧R2流动。该水流通过位于其流动方向前方的引导部4G，朝向对置部5的排出口5A或扬水路14的吸入口14A被导向上侧Z1。如点划线的箭头所示，导向排出口5A的水流从排出口5A向上强劲地泼向清洗区域13。如双点划线的箭头所示，导向扬水路14的吸入口14A的水流从吸入口14A在扬水路14内上升，并从扬水构件6的喷水口6C强劲地排出，向下浇至清洗区域13内。如此，随着水流产生构件8的旋转而从排出口5A以及喷水口6C向清洗区域13排出的水流被泼向内部空间4D的清洗对象Q或搅拌清洗对象Q，由此，对清洗对象Q进行清洗。此外，洗涤剂可以含在水流中，在该情况下，清洗对象Q的脏污被洗涤剂 分解。
来自排出口5A的水流从下侧Z2泼向清洗对象Q，由此，虽然清洗对象Q将要上浮，但由于排出口5A的上侧Z1的防上浮构件9位于将要上浮的清洗对象Q的顶上，因此能防止清洗对象Q在清洗区域13即清洗桶2的收纳空间2A中上浮规定距离以上。特别是，由于防上浮构件9设于收纳空间2A的上下方向Z的中途，因此能可靠地防止收纳空间2A内的清洗对象Q上浮规定距离以上。因此，清洗对象Q滞留于防上浮构件9的下侧Z2，由此，从排出口5A到清洗对象Q的上下距离被保持得较短，因此能通过使来自排出口5A的水流强劲地泼向清洗对象Q来谋求提高清洗力。
此外，从排出口5A向上排出的水流有时会在被防上浮构件9的下表面部9A反弹向对置部5侧之后泼向清洗对象Q。由此，能在收纳空间2A的从对置部5到防上浮构件9的区域有效地搅拌清洗对象Q。因此，由于能将水流泼向清洗对象Q的各个角落，因此能够谋求进一步提高清洗力。特别是，能可靠地将从排出口5A向上排出的水流通过下表面部9A所包括的水平的平坦面9B反弹向对置部5侧。
清洗区域13的水在从内桶4的圆周壁4B的贯通孔4E流出至外桶3的圆周壁3B与内桶4的圆周壁4B的间隙27之后，通过旋转的水流产生构件8摄入至配置区域12而成为水流，再次向清洗区域13排出。也就是说，在水流产生构件8的旋转过程中，内桶4的内部空间4D中的水成为水流并在配置区域12与清洗区域13之间循环。需要说明的是，在对清洗对象Q进行清洗之后，在水流产生构件8停止的状态下内桶4旋转，可以通过其离心力对清洗对象Q进行脱水。
本发明并不限于以上说明的实施方式，可以在权利要求记载的范围内进行各种变更。
例如，防上浮构件9可以兼备通过与内桶4一起旋转来搅拌清洗对象Q的折流板的功能。此外，也可以使与平衡环11同样形成为环状的环构件配置于平衡环11的下侧Z2，并由该环构件的一部分构成防上浮构件9。
防上浮构件9优选不比外桶3的开口3A的内周缘3E更向径向内侧R1露 出。也就是说，防上浮构件9的位于径向内侧R1的周缘部优选配置为比开口3A的内周缘3E偏向径向外侧R2。由此，能防止防上浮构件9在通过开口3A取放清洗对象Q时成为障碍。
图2是变形例的清洗机1的内部构造的纵剖图。在图2中，对与以上说明的部分相同的部分赋予相同的附图标记，并省略对该部分的说明。
在变形例的清洗机1中，例如内桶4的上下方向Z的尺寸小，由此，如图2所示，外桶3的开口3A与内桶4的开口4A之间的上下间隔大。在该情况下，内桶4的内部空间4D的位于对置部5的上侧Z1的清洗区域13、和外桶3的内部空间3D的经由开口4A从上侧Z1与清洗区域13连通的上侧空间3F构成上述的清洗桶2的收纳空间2A。外桶3的圆周壁3B的位于开口4A的上侧Z1的部分可以是透明或半透明，以便能从机外目视收纳空间2A内的清洗对象Q。
在变形例的清洗机1中，安装于内桶4的圆周壁4B的上端部的平衡环11通过如下配置，从而还兼备上述的防上浮构件9的功能：位于收纳空间2A的上下方向Z的中途，详细而言位于收纳空间2A的上下方向Z的大致中央，并从径向外侧R2向收纳空间2A内突出。换言之，防上浮构件9由平衡环11构成。在该情况下，平衡环11的下表面部作为包括上述的平坦面9B的下表面部9A发挥功能。来自排出口5A的水流从下侧Z2泼向清洗对象Q，由此，虽然清洗对象Q将要上浮，但由于平衡环11位于将要上浮的清洗对象Q的顶上，因此能防止清洗对象Q上浮规定距离以上。
旋转轴线J可以配置为相对于上下方向Z倾斜，在该情况下，对置部5以及水流产生构件8配置为相对于水平方向H倾斜，由此，维持与旋转轴线J正交的姿势。
附图标记说明
1：清洗机；
2：清洗桶；
2A：收纳空间；
5：对置部；
5A：排出口；
8：水流产生构件；
9：防上浮构件；
9A：下表面部；
9B：平坦面；
Q：清洗对象；
Z：上下方向；
Z1：上侧；
Z2：下侧。

Claims (3)

  1. 一种清洗机，包括：
    清洗桶，在内部形成有收纳清洗对象的收纳空间并可蓄水；
    水流产生构件，由蓄于所述清洗桶的水产生水流；
    对置部，设于所述清洗桶，从下侧与所述收纳空间对置，并以从下侧面朝所述收纳空间的方式形成有排出口，所述排出口将所述水流产生构件所产生的水流向上朝所述收纳空间排出；以及
    防上浮构件，在所述排出口的上侧向所述收纳空间内突出，用于防止所述收纳空间中的清洗对象上浮。
  2. 根据权利要求1所述的清洗机，其中，
    所述防上浮构件设于所述收纳空间的上下方向的中途。
  3. 根据权利要求1或2所述的清洗机，其中，
    所述防上浮构件的下表面部包括平坦面。
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CN2858718Y (zh) * 2005-12-02 2007-01-17 南京乐金熊猫电器有限公司 可分层洗涤的波轮洗衣机
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JP2000005485A (ja) * 1998-06-25 2000-01-11 Matsushita Electric Ind Co Ltd 洗濯機
CN2858718Y (zh) * 2005-12-02 2007-01-17 南京乐金熊猫电器有限公司 可分层洗涤的波轮洗衣机
CN105019189A (zh) * 2014-04-30 2015-11-04 株式会社东芝 洗衣机以及隔板

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