WO2015027368A1 - 一种洗衣机内桶及洗衣机 - Google Patents

一种洗衣机内桶及洗衣机 Download PDF

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Publication number
WO2015027368A1
WO2015027368A1 PCT/CN2013/001637 CN2013001637W WO2015027368A1 WO 2015027368 A1 WO2015027368 A1 WO 2015027368A1 CN 2013001637 W CN2013001637 W CN 2013001637W WO 2015027368 A1 WO2015027368 A1 WO 2015027368A1
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WO
WIPO (PCT)
Prior art keywords
washing machine
protrusions
protrusion
parallelogram
inner barrel
Prior art date
Application number
PCT/CN2013/001637
Other languages
English (en)
French (fr)
Inventor
吕佩师
李文伟
王金凯
丁斌
吴军
Original Assignee
海尔集团公司
青岛海尔滚筒洗衣机有限公司
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 海尔集团公司, 青岛海尔滚筒洗衣机有限公司 filed Critical 海尔集团公司
Priority to JP2016537062A priority Critical patent/JP6296261B2/ja
Priority to US14/914,549 priority patent/US20160215431A1/en
Priority to KR1020167005838A priority patent/KR101962253B1/ko
Priority to EP13892710.8A priority patent/EP3040466B1/en
Publication of WO2015027368A1 publication Critical patent/WO2015027368A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
    • D06F37/065—Ribs, lifters, or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle

Definitions

  • the invention belongs to the field of washing equipment, and particularly relates to a washing machine inner tub and a washing machine. Background technique
  • the existing washing machine inner tub has a plurality of vertical ribs on the barrel wall, and between the vertical ribs, a plurality of neatly arranged drainage holes are provided, and the vertical ribs are opposite to the barrel wall.
  • the upper and lower directions are reinforced, but there is no strengthening effect for the circumferential direction; or the inclined ribs are provided, and the inclined ribs strengthen the barrel wall along the direction of the ribs, but for the barrel wall perpendicular to the pressure The direction of the tendons does not strengthen.
  • the shape of the ribs provided on the inner tub is relatively simple, and a spherical or elliptical structure is generally used, so that there is no excessive angularity at the ribs on the inner surface of the inner tub, and the wear of the washing machine during work is reduced. .
  • the Chinese Patent Application No. CN201020186528.X discloses a washing machine inner tub including an inner barrel body having a plurality of openings in the barrel wall, a balance ring fixed to the upper part of the inner barrel body, and an inner barrel bottom fixed to the lower part of the inner barrel body, the inner barrel body
  • the upper opening is formed by an inclined inner and outer cuff, and has a large outer end and a large inner end.
  • the barrel wall of the inner barrel has a plurality of outwardly pressing annular convex strips in the circumferential direction, and the openings are evenly distributed in the middle of the annular convex strip.
  • the indentation is arranged neatly in the circumferential direction, and the lateral indentation in the circumferential direction has a single reinforcing effect on the inner barrel wall, and has no reinforcing effect on the vertical direction of the inner barrel.
  • the drainage holes are also arranged in a circumferential direction neatly. There are several annular zones on the inner wall of the bucket that are never flushed, and the inner tub is not completely cleaned.
  • an inner tub having an arched structure directed into the inner tub wherein the inner tub is rotatably supported in the casing of the washing machine and has at least one bottom plate and one outer casing, each of which At least partially composed of a thin plate, and single or both are provided with a domed structure directed toward the inside of the inner tub, the arched structure consisting of a projection directed into the inner tub, the raised edge being substantially circular or elliptical or ovate .
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide an inner tub of the washing machine.
  • an inner tub molding structure By providing an inner tub molding structure, the appearance of the bucket wall is enhanced, and the strength of the bucket wall is enhanced.
  • the inner tub of the washing machine is provided with a plurality of pressing shapes and a plurality of dewatering holes on the wall of the barrel, wherein: the pressing type is formed by a protrusion directed to the inside of the inner barrel, and the bottom of the protrusion is a parallelogram, The protrusions are arranged in rows and columns; the gap between the protrusions of adjacent columns and adjacent rows constitutes a DC channel through which the water supply flow passes, and the dewatering holes are disposed on the DC channel.
  • the bottoms of the respective protrusions are formed by parallelograms of the same shape, which are rectangles, squares, diamonds or parallelograms in which adjacent sides are not equal.
  • center line of the same row of protrusions and the center line of the same row of protrusions intersect each other perpendicularly.
  • the protrusions are formed by top surfaces of different curvatures and transition curved surfaces, such that the connecting line between any point of the convex outer wall from the convex center to the convex bottom is composed of two arcs of different curvatures.
  • intersection of the top surface and the transition surface forms a parallelogram of different sizes parallel to the parallelogram of the bottom of the protrusion, and the length of the parallelogram formed by the intersection of the two curved surfaces is smaller than the length of the parallelogram at the bottom of the protrusion. width.
  • the convex bottom and the adjacent sides of the parallelogram formed by the intersection of the two curved surfaces are connected by a rounded transition.
  • the sides of the parallelogram are gradually curved outward from the both ends toward the middle.
  • each of the DC tracks comprises a flow channel network formed by a plurality of parallel lateral flow channels and a plurality of parallel longitudinal flow channels; and a dewatering hole is respectively disposed at an intersection of the lateral flow path and the longitudinal flow path.
  • the gap between the adjacent column protrusions constitutes a straight longitudinal flow path
  • the gap between the adjacent row protrusions constitutes a straight lateral flow path perpendicular to the longitudinal flow path.
  • At least one dewatering hole is provided at the intersection of the lateral flow path and the longitudinal flow path, respectively.
  • Another object of the present invention is to provide a washing machine provided with the above inner tub.
  • the beneficial effects of the present invention are as follows:
  • a flow path which is arranged in a crisscross manner is formed on the inner wall of the inner tub, so that the structural strength distribution of the lateral and longitudinal directions of the inner tub is further Evenly.
  • the inner wall of the inner tub is made by a smooth arc transition at the joint between the top surface of the protrusion and the transition surface, the transition surface and the wall of the barrel, and the top surface and the transition surface of the arc shape.
  • FIG. 1 is a schematic structural view of an inner tub in the present invention
  • FIG. 2 is a schematic structural view of an inner barrel wall of the present invention
  • Figure 3 is a partial enlarged view of Figure 2;
  • Figure 4 is a schematic exploded view of a section at a - a in Figure 3;
  • Figure 5 is a schematic view showing the structure of a preferred inner barrel wall
  • Figure 6 is a partial enlarged view of Figure 5;
  • Figure 7 is a schematic view showing the structure of a further preferred inner tub wall
  • Figure 8 is a partial enlarged view of Figure 7;
  • Figure 9 is a schematic cross-sectional view of the M-M line of Figure 8.
  • Figure 10 is a schematic cross-sectional view showing the preferred line M-M of Figure 8.
  • an inner tub of the washing machine is provided with a plurality of pressing patterns arranged in a matrix and a plurality of dewatering holes 3 disposed at the bottom of the barrel wall 1.
  • Each of the press forms is constituted by a projection 2 directed to the inside of the inner tub.
  • the protrusion 2 is surrounded by a top surface and a transition surface, and the bottom of the protrusion 2 is a rectangle with arc chamfers, so that the gap between the adjacent column protrusions 2 constitutes a straight longitudinal flow path 4,
  • the gap between the adjacent row projections 2 constitutes a straight transverse flow passage 5 which is perpendicular to the longitudinal flow passage 4.
  • a dewatering hole 3 is provided at the intersection of the lateral flow path 5 and the longitudinal flow path 4, respectively.
  • the bottom of the protrusion 2 is a rectangle whose arc chamfers are connected, and may also be set to a square shape, a diamond shape or a parallelogram of any shape.
  • FIG. 3 there are a plurality of equally spaced column lines on the barrel wall 1 which are parallel to the axial direction of the inner barrel: C-C, DD... are also provided with a plurality of equal intervals perpendicular to the inner barrel axis.
  • a bump 2 is provided at the intersection of each column line and each line line.
  • the bottom of the protrusion 2 is an arc A rectangle with angles connected, the center of the rectangle coincides with the intersection of the corresponding row and column lines.
  • the protrusions 2 are surrounded by top surfaces of different curvatures and transition surfaces, and the top surfaces are smoothly connected with the transition surfaces.
  • the top surface is a curved surface which is lowered from the center of the projection to the periphery.
  • the transition surface is a curved surface in which one end is smoothly connected with the periphery of the top surface, and the other end is smoothly connected with the barrel wall 1 by rounded corners.
  • the transition surface is also a curved surface that is lowered from the center of the protrusion to the periphery, and the radius of curvature of the transition surface is smaller than the radius of curvature of the top surface.
  • the connecting line between any point along the convex outer wall from the convex center toward the convex bottom is composed of two arcs of different curvatures, and there is no edge on the convex surface, which reduces the washing machine. Wear of clothing during washing.
  • the intersection of the top surface and the transition surface forms a rectangular shape connected to the circular chamfer of the bottom of the protrusion, and a rectangle of the same shape and different size.
  • the intersection of the top surface and the transition surface may also be set to a geometric shape of a square, a diamond, a parallelogram, a circle or any shape, and is preferably set to a shape different in shape from the bottom of the protrusion.
  • the intersection line of the top surface and the transition surface projected onto the barrel wall should be placed within the shape line of the bottom of the protrusion to ensure that the transition surface is gradually convex from top to bottom.
  • each side of the rectangle at the bottom of the protrusion is set to be a curve which is gradually convex toward the center from both ends, so that the gap between the adjacent protrusions has both ends narrowed toward the middle.
  • the connecting end of the transition surface and the top surface is the upper end of the transition surface
  • the connecting end of the transition surface and the barrel wall 1 is the lower end of the transition surface.
  • the transition surface consists of a square conical surface that contracts from bottom to top.
  • the upper end contour of the tapered curved surface is composed of a square circumferential line having the same shape as the outer peripheral line of the top surface
  • the lower end circumferential line is composed of a square circumferential line of a different size concentric with the upper end circumference.
  • the upper end circumference and the lower end circumference are square circumferences of concentric shapes and different sizes, and the four corners of the square circumference are provided with arc chamfers.
  • the side corners of the transition surface are formed by arc-shaped conical surfaces that contract from bottom to top. Thereby, the outer circumference of the transition curved surface is surrounded by a smooth excessive curved surface to reduce the abrasion of the laundry.
  • the transition curved surface is composed of a smooth curved surface in which the upper and lower ends are respectively smoothly connected with the top surface and the barrel wall 1.
  • the transition surface is gradually curved outward from top to bottom to form a curved surface extending smoothly from top to bottom, and the distance between adjacent transition surfaces is gradually narrowed from top to bottom to make adjacent convex
  • the two channels constitute a flow path 3 which gradually narrows from top to bottom.
  • the thickness of the barrel wall 1 is set to be 0.3 to 1 mm, preferably 0.5 mm.
  • the distance between the center of the projection 2 and the wall 1 of the barrel is the distance H, and the ratio of the distance H to the thickness of the barrel wall is set to be 10:1 to 2:1.
  • the ratio of the circumference of the lower end of the transition surface to the circumference of the upper end of the circumference is 5:1 to 1.1:1.
  • the transition surface of the protrusion 2 is connected to the barrel wall 1 by a circular chamfer.
  • the bottom of the slit between the projections is constituted by a horizontal plane, and both sides of the horizontal plane are smoothly curved upward to form the bottoms of the longitudinal flow passage 4 and the lateral flow passage 5.
  • the narrowest portion of the longitudinal flow path 4 and the lateral flow path 5 are the centers of the corresponding sides of the adjacent protrusions. At the office.
  • the ratio of the width of the narrowest flow path to the thickness of the barrel wall is 10:1 to 1:4.
  • the side corners of the transition surface are formed by a circular arc-shaped conical surface that contracts from bottom to top.
  • the intersection of the longitudinal flow path 4 and the lateral flow path 5 surrounded by the arcuate conical curved surface at the corresponding side corners of the four adjacent projections forms a concave surface having a bottom surface.
  • a circular dewatering hole 3 is provided at the center of each recess. The dewatering hole 3 is disposed concentrically with the intersection of the top corners of the corresponding four projections 2.
  • the ratio of the diameter of the dewatering hole 3 to the thickness of the barrel wall 1 is set to be 4:1 to 1:1.
  • the rows and columns are arranged to form a flow channel network composed of straight longitudinal and lateral flow passages 5, and a dewatering hole 3 is provided at the intersection of each of the longitudinal and lateral flow passages 5, so that the washing machine is in the process of drying.
  • the water in the inner tub is discharged to the outside of the inner tub through the dewatering holes 3 provided at the bottom of the flow passage, thereby achieving a better dewatering effect.
  • the bucket wall 1 is provided with a plurality of pressing patterns arranged in rows and columns and a plurality of dewatering holes 3 provided at the bottom of the tub wall 1.
  • Each of the press forms is constituted by a projection 2 directed to the inside of the inner tub.
  • the protrusion 2 is surrounded by a top surface and a transition surface, and the bottoms of the protrusions 2 are all formed by parallelograms of the same shape and the same size, so that the gap between the adjacent column protrusions 2 constitutes a straight longitudinal flow.
  • the passage 4, the gap between the adjacent row projections 2 constitutes a straight transverse flow passage 5 which intersects the longitudinal flow passage 4.
  • Dewatering holes 3 are provided at intersections of the lateral flow path 5 and the longitudinal flow path 4, respectively.
  • FIG. 6 there are a plurality of equally spaced rows on the barrel wall 1 which are perpendicular to the axis of the inner tub: E-E, FF, ... are also provided with a plurality of intersecting angles with the row lines.
  • the intersection angle of the row line and the column line is the same as the angle of the adjacent side of the parallelogram forming the protrusion.
  • a bump 2 is provided at the intersection of the line and each of the line lines.
  • the bottom of the protrusion 2 is a parallelogram formed by arc chamfers, and the center of the parallelogram coincides with the intersection of the corresponding row and column lines.
  • the parallelograms surrounded by the four lines EE, FF, GG, and KK are the smallest units, and each of the intersections is provided with a protrusion 2 corresponding to the EG protrusion, the EK protrusion, and the FG protrusion. And FK raised.
  • the gap between the EG protrusion and the FG protrusion and the gap between the EK protrusion and the FK protrusion constitute a continuous flow path 5 through which the water supply flows, the gap between the EG protrusion and the EK protrusion and the FG convex
  • the gap between the lifting and the FK projection constitutes a longitudinal flow passage 4 through which the water supply flows.
  • At least one dewatering hole 3 is provided at the intersection of the longitudinal flow path 4 and the lateral flow path 5.
  • the centers of the respective dewatering holes 3 are symmetrically arranged with respect to the center of the smallest unit; when the dewatering holes 3 are one, the center of the dewatering holes 3 coincides with the center of the smallest unit.
  • two dewatering holes 3 are preferably disposed, and the centers of the two dewatering holes 3 are disposed on the connecting line between the center of the EK protrusion and the center of the FG protrusion, and are opposite to the center of the FK protrusion and the EG protrusion.
  • the center connection line is symmetrical.
  • the adjacent protrusions that are not in the same row or in the same column are separated into an acute angle connection line and an obtuse angle connection line.
  • the acute angle connecting line is a central connecting line of a circular chamfer with an acute angle between the adjacent sides of the parallelogram of the convex bottom, for example, a connecting line between the center of the EK protrusion and the center of the FG protrusion.
  • the obtuse angle connecting line is a central connecting line of a circular chamfer with an obtuse angle at the opposite side of the parallelogram of the convex bottom, for example; a connecting line of the FK convex center and the center of the EG convex.
  • the centers of the dewatering holes 3 are all disposed on the acute angle connecting line, and the two dewatering holes 3 disposed at the intersection of the same longitudinal flow path 4 and the lateral flow path 5 are symmetric with respect to the corresponding obtuse angle connecting lines. .
  • the intersection of the top surface and the transition surface forms a parallelogram which is different in shape from the bottom of the protrusion and is connected by a circular chamfer.
  • the intersection of the top surface and the transition surface may also be set to a square, a diamond, a parallelogram, a circle, or a geometric shape of any shape, and is preferably disposed in a shape different in shape from the bottom of the protrusion.
  • the projection line of the intersection of the top surface and the transition surface onto the barrel wall needs to be disposed within the shape line at the bottom of the protrusion to ensure that the transition surface is gradually convex from top to bottom.
  • an inner tub of the washing machine is provided with a plurality of press-types arranged in rows and columns and a plurality of dewatering holes 3 disposed at the bottom of the tub wall 1.
  • Each of the profiles is formed by a projection directed toward the interior of the inner tub.
  • the protrusion includes a first protrusion 21 and a second protrusion 22.
  • the bottom of the first protrusion 21 and the second protrusion 22 It consists of rectangles of the same shape and different sizes.
  • the first protrusions 21 and the second protrusions 22 are arranged in a crosswise manner such that the gaps between the adjacent column protrusions form a straight longitudinal flow channel 4 in which the two side walls cross each other and expand outward and outward, adjacent to the row of protrusions
  • the gap between the two forms a straight transverse flow path 5 which is perpendicular to the longitudinal flow path 4 and which is intersected by the two side walls to expand left and right outward.
  • Dewatering holes 3 are provided at intersections of the lateral flow path 5 and the longitudinal flow path 4, respectively.
  • L, MM, NN... are also provided with a plurality of equally spaced column lines at the same intersection angle with the row lines: HH, PP, QQ, II... at the intersection of each column line and each line line
  • the first protrusion 21 and the second protrusion 22 are respectively disposed on the same row and on the same row, respectively, and are equally spaced apart from each other, and the centers of the first protrusions 21 and the second protrusions 22 respectively correspond to The intersection of the row line and the column line coincides.
  • the center points of the first protrusions 21 and the second protrusions 21 are equidistant from the barrel wall 1.
  • the water flow in the same lateral flow path 5 and the same longitudinal flow path 4 is moved left and right, and the water flow speed is changed to achieve a washing effect of changing the water flow in the inner tub to beat the laundry.
  • the height values of the center points of the first protrusion and the second protrusion from the barrel wall are different values.
  • the ratio of the distance between the center point of the first projection 21 and the wall of the second projection 22 from the wall of the barrel 1 is 2:1.
  • the surface of the inner wall of the inner tub constitutes a undulating wave-like surface, so that the laundry in the inner tub and the inner tub wall are rubbed during the operation of the washing machine to improve the washing efficiency of the washing machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

本发明属于洗涤设备领域，具体涉及一种洗衣机内桶及洗衣机，所述内桶的桶壁（1）上设有多个压型和多个脱水孔（3），其特征在于：所述的压型由指向内桶内部的凸起（2）构成，所述凸起（2）的底部为平行四边形，所述凸起呈行、列排布；相邻列和相邻行的凸起（2）之间的缝隙构成一供水流通过的直流道，所述的脱水孔（3）设置在直流道上。本发明还提供了一种设有所述内桶的洗衣机。通过提供一种上述造型的内桶，使得内桶内壁上不存在任何易磨损衣物的棱角，降低了洗涤过程中对衣物所造成的磨损。

Description

一种洗衣机内桶及洗衣机 技术领域
本发明属于洗涤设备领域， 具体涉及一种洗衣机内桶及洗衣机。 背景技术
现有的洗衣机内桶的桶壁上， 或者设置有许多竖向的压筋， 在这些竖向的压筋 之间， 设置有许多整齐排列的排水孔， 这些竖向的压筋虽然对桶壁的上下方向进行 了加强， 但对于圆周方向却并没有加强的作用； 或者设置有倾斜的压筋， 倾斜的压 筋对桶壁沿压筋倾斜的方向进行了加强， 但对于桶壁上垂直于压筋的方向没有加强 作用。 同时， 现有技术中， 内桶上设置的压筋的形状较为单一， 普遍采用圆球形或 椭圆形结构， 以使内桶内表面的压筋处不存在棱角过度， 减少洗衣机在工作中对衣 物的磨损。
如申请号为 CN201020186528. X的中国专利公开了一种洗衣机内桶， 包括桶壁上 有多个开孔的内桶体、 固定在内桶体上部的平衡环和固定在内桶体下部的内桶底， 内桶体上的开孔由内向外倾斜翻边形成， 呈外端小内端大的形状。 内桶体的桶壁在 周向有多条向外压型的环形凸起带， 开孔均匀分布在环形凸起带中间部位。 该实用 新型中， 压痕为圆周方向整齐排列， 圆周方向的横向压痕对内桶桶壁的加强作用单 一， 对内桶的竖直方向没有加强作用， 另外， 排水孔也为圆周方向整齐排列， 在外 桶的内壁上会产生若干条始终得不到冲刷的环状地带， 内桶清理不彻底。
还如申请号为 CN1608157A的中国专利公开了一种具有指向内桶里面的拱起结构 的内桶， 其中该内桶可转动地支撑在洗涤处理机的机壳里并具有至少一个底板以及 一个外壳， 他们每个至少部分地由薄板组成， 而且单个或者二者都设有一种指向内 桶内部的拱起结构， 拱起结构由指向内桶里面的凸起组成， 凸起的边缘基本是圆形 或椭圆或卵状。 该申请中， 在每行凸起的中心线上具有较大的强度， 但每相邻两行 凸起的连接处的强度较差。
有鉴于此， 特提出本发明。 发明内容
本发明的目的在于克服现有技术的不足， 提供一种洗衣机内桶， 所述内桶通过 提供一种内桶压型结构， 美化了桶壁外观， 加强了桶壁的强度。
为了实现本发明的目的， 特采用以下技术方案：
一种洗衣机内桶， 桶壁上设有多个压型和多个脱水孔， 其特征在于： 所述的压 型由指向内桶内部的凸起构成， 所述凸起 的底部为平行四边形， 所述凸起呈行、 列 排布； 相邻列和相邻行的凸起之间的缝隙构成一供水流通过的直流道， 所述的脱水 孔设置在直流道上。
进一步， 各个凸起的底部由同一形状的平行四边形构成， 所述的平行四边形为 矩形、 正方形、 菱形或相邻边不相等的平行四边形。
进一步， 同一列凸起的中心线与同一行凸起的中心线相互垂直相交，。
进一步， 同一列和同一行上的相邻凸起间的距离相等。
进一步， 所述凸起由不同曲率的顶面和过渡曲面构成， 使沿凸起外壁由凸起中 心向凸起底部的任一点之间的连接线均由两段不同曲率的弧线构成。
进一步， 顶面和过渡曲面的交线构成一与凸起底部的平行四边形同形不同大小 的平行四边形， 所述的两个曲面交线构成的平行四边形的长宽小于凸起底部的平行 四边形的长宽。
进一步， 凸起底部和两个曲面交线构成的平行四边形的相邻侧边之间经圆角过 渡相连。
进一步， 平行四边形的侧边由两端向中间逐渐向外突出弯曲。
进一步， 各条直流道组成一由多条平行设置的横向流道与多条平行设置的纵向 流道交叉构成的流道网； 在横向流道与纵向流道的交叉处分别设置有脱水孔。
进一步， 相邻列凸起之间的缝隙构成直的纵向流道， 相邻行凸起之间的缝隙构 成直的、 与纵向流道相垂直的横向流道。 在横向流道与纵向流道的交叉处分别设置 有至少一个脱水孔。
本发明的另一目的在于提供一种设置有上述内桶的洗衣机。
与现有技术相比， 本发明的有益效果为： 通过提供一种上述造型的内桶压型， 使得内桶内壁上形成了纵横交错排布的流道， 使得内桶的横向与纵向的结构强度分 布更均匀。 更特别的是， 通过在凸起的顶面与过渡曲面、 过渡曲面与桶壁之间的连 接处， 采用平滑的圆弧过渡， 以及采用圆弧形的顶面和过渡曲面， 使得内桶内壁上 不存在任何易磨损衣物的棱角， 降低了洗涤过程中对衣物所造成的磨损。 附图说明
图 1为本发明中的内桶的结构示意图；
图 2为本发明中的内桶桶壁结构示意图；
图 3为图 2的局部放大图；
图 4为图 3中 a-a处剖面展开示意图；
图 5为优选的内桶桶壁结构示意图；
图 6为图 5的局部放大图；
图 7为进一步优选的内桶桶壁结构示意图；
图 8为图 7的局部放大图；
图 9为图 8中 M-M线的断面结构示意图；
图 10为优选的图 8中 M-M线的断面结构示意图。
其中： 1一桶壁； 2—凸起； 3—脱水孔； 4一纵向流道， 5—横向流道， 21—第一凸起，
22—第二凸起。 具体实施方式
实施例 1
结合图 1-4对本发明所述的内桶做进一步详细的说明。
如图 1、 图 2所示， 一种洗衣机内桶， 桶壁 1上设有多个呈矩阵排布的压型和多 个在桶壁 1最底部设置的脱水孔 3。所述的每个压型均由指向内桶内部的凸起 2构成。 所述的凸起 2由顶面和过渡曲面围成， 所述凸起 2的底部为圆弧倒角相连的长方形， 使得相邻列凸起 2之间的缝隙构成直的纵向流道 4，相邻行凸起 2之间的缝隙构成直 的、与纵向流道 4相垂直的横向流道 5。在横向流道 5与纵向流道 4的交叉处分别设 置有脱水孔 3。
通过上述设置， 使得洗衣机在洗涤时， 内桶中的水沿直的纵向流道 4和 /或横向 流道 5流动产生一水流， 并从交叉处的透水孔中流至外桶， 在此过程中水流对衣物 进行洗涤。 本实施例中， 凸起 2 的底部为圆弧倒角相连的长方形， 还可以设置为正 方形、 菱形或任一形状的平行四边形。
如图 3所示， 在桶壁 1上有多条与内桶轴向相平行的、 等间距排布的列线： C- C、 D-D…还设置有多条与内桶轴线相垂直的、 等间距排布的行线： A-A、 B-B…… 在每条列线与每条行线的交叉处， 均设置有一凸起 2。所述的凸起 2的底部为圆弧倒 角相连的长方形， 长方形的中心与对应的行线、 列线交叉点相重合。 从而， 实现了 有凸起构成的压型在内桶壁上的呈矩阵的均匀排布。
如图 3和图 4所示， 本实施例中， 所述的凸起 2由不同曲率的顶面和过渡曲面 围成， 所述顶面与过渡曲面平滑过渡连接。 所述的顶面为由凸起中心向四周降低的 一曲面。 所述过渡曲面为一端与顶面四周相平滑过渡连接， 另一端与桶壁 1 经圆角 平滑过渡连接的曲面。 并且， 所述的过渡曲面也为由凸起中心向四周降低的一曲面， 且过渡曲面的曲率半径小于顶面的曲率半径。 从而， 使沿凸起外壁由凸起中心向凸 起底部的任一点之间的连接线均由两段不同曲率的弧线构成， 且凸起的表面上不存 在任何棱边， 减小了洗衣机洗涤过程中对衣物的磨损。
本实施例中， 顶面和过渡曲面的交线构成一与凸起底部的圆弧倒角相连的长方 形， 同形不同大小的长方形。 本实施例中， 顶面和过渡曲面的交线还可以设置为正 方形、 菱形、 平行四边形、 圆形或任一形状的几何图形， 优选的设置为与凸起底部 同形不同大小的形状。 且顶面和过渡曲面的交线投影至桶壁上的投影线， 均需设置 在凸起底部形状线之内， 以保证过渡曲面为由上至下逐渐向外凸。
本实施例中， 凸起底部的长方形各侧边均设为由两端向中心逐渐外凸的曲线， 从而使得相邻凸起间的间隙有两端向中间收窄 。 从而， 使得纵向流道 4和横向流道 5的宽度发生变化， 在洗涤过程中水流流经不同宽度的流道使流速改变，对衣物产生 搓洗效果， 提高了洗涤效果。
本实施例中， 所述过渡曲面与顶面相连接端为过渡曲面上端， 过渡曲面与桶壁 1相连接端为过渡曲面下端。过渡曲面由自下向上收縮的方形锥曲面构成。锥曲面的 上端周线由与顶面外周线相同形状的方形周线构成， 所述的下端周线由与上端周线 同心同形不同大小的方形周线构成。 所述的上端周线与下端周线为同心同型不同大 小的方形周线， 并且所述的方形周线的四个拐角处均设置有圆弧倒角。 而过渡曲面 的侧边拐角处由自下向上向内收縮的圆弧形锥曲面构成。 从而， 使得过渡曲面的外 周由一平滑过度的曲面围成， 以减小对洗涤衣物的磨损。
本实施例中， 所述过渡曲面由上下两端分别与顶面和桶壁 1 相平缓过渡连接的 平滑曲面构成。 所述的过渡曲面由上至下逐渐向外弯曲， 以形成一自上至下向外平 滑延伸的曲面， 同时使相邻过渡曲面间的距离由上至下逐渐收窄， 以令相邻凸起 2 间构成自上至下逐渐收窄的流道 3。 本实施例中， 所述桶壁 1厚度设置为 0.3至 lmm， 优选的设为 0.5mm。 凸起 2的 中心距桶壁 1之间的距离为距离 H， 所述的距离 H与桶壁的厚度之比设置为 10: 1 至 2:1。 过渡曲面的下端周线与上端周线的周长之比为 5:1至 1.1:1。
本实施例中， 凸起 2的过渡曲面与桶壁 1经圆弧倒角相连接。 从而， 使得凸起 间的缝隙底部由一水平面构成， 其水平面的两侧向上平滑弯曲， 以形成纵向流道 4 和横向流道 5 的底部。 本实施例中， 由于构成凸起底边的长方形侧边为有两端向中 间外凸设置的曲线， 因此纵向流道 4和横向流道 5的最窄处为相邻凸起对应边的中 心处。 所述最窄处流道的宽度与桶壁厚度的比值为 10:1至 1:4。
本实施例中， 过渡曲面的侧边拐角处由自下向上向内收縮的圆弧形锥曲面构成。 从而， 使得四个相邻凸起对应侧拐角处的圆弧形锥曲面所围成的纵向流道 4和横向 流道 5 的交叉处形成一底面为平面的凹陷。 每个凹陷的中心处均设置有一圆形脱水 孔 3。所述脱水孔 3与相对应的四个凸起 2的顶面对角线的交叉点同轴心设置。所述 的脱水孔 3的直径与桶壁 1厚度比设置为 4:1至 1:1。
通过在凸起的顶面与过渡曲面、 过渡曲面与桶壁之间的连接处， 采用平滑的圆 弧过渡， 以及采用圆弧形的顶面和过渡曲面， 使得内桶内壁上不存在任何易磨损衣 物的棱角， 降低了洗涤过程中对衣物所造成的磨损。
通过行、 列排布的凸起构成一由直的纵横向流道 5构成的流道网， 并在每个纵 横向流道 5的交叉处设置脱水孔 3， 使得洗衣机在甩干过程中， 内桶中的水经流道交 叉处的、 底部设置的脱水孔 3排至内桶外， 从而达到较好的脱水效果。
实施例 2
如图 5所示， 一种洗衣机的内桶， 桶壁 1上设有多个呈行、 列排布的压型和多 个在桶壁 1最底部设置的脱水孔 3。所述的每个压型均由指向内桶内部的凸起 2构成。 所述的凸起 2由顶面和过渡曲面围成， 所述凸起 2的底部均由相同形状、 相同大小 的平行四边形构成， 使得相邻列凸起 2之间的缝隙构成直的纵向流道 4，相邻行凸起 2之间的缝隙构成直的、 与纵向流道 4相交叉的横向流道 5。 在横向流道 5与纵向流 道 4的交叉处分别设置有脱水孔 3。
如图 6所示， 在桶壁 1上有多条与内桶轴线相垂直的、 等间距排布的行线： E- E、 F-F……还设置有多条与行线呈同一交叉角的、等间距排布的列线： G-G、 K-K…… 所述的行线与列线的交叉角与构成凸起的平行四边形的相邻边夹角相同。 在每条列 线与每条行线的交叉处， 均设置有一凸起 2。所述的凸起 2的底部为圆弧倒角相连的 平行四边形， 平行四边形的中心与对应的行线、 列线交叉点相重合。 从而， 实现了 由凸起构成的压型在内桶壁上的呈行、 列的均匀排布。
本实施例中， 由 E-E、 F-F、 G-G、 K-K四条线围成的平行四边形为最小单元， 在每个交点处分别设置有一凸起 2， 分别对应为 EG凸起、 EK凸起、 FG凸起和 FK 凸起。 EG凸起和 FG凸起之间的缝隙与 EK凸起和 FK凸起之间的缝隙构成一直的、 供水流通过的横向流道 5， EG凸起和 EK凸起之间的缝隙与 FG凸起和 FK凸起之间 的缝隙构成一直的、 供水流通过的纵向流道 4。
本实施例中， 纵向流道 4和横向流道 5的交叉处设置有至少一个脱水孔 3。当脱 水孔 3为多个时， 各个脱水孔 3的中心相对最小单元的中心对称设置； 当脱水孔 3 为一个时， 脱水孔 3 的中心与最小单元的中心重合。 本实施例中， 优选的设置两个 脱水孔 3， 所述的两个脱水孔 3的中心设置在 EK凸起中心和 FG凸起中心的连接线 上， 并相对 FK凸起中心和 EG凸起中心的连接线对称。
本实施例中， 不在同一行也不在同一列上的相邻凸起， 其中心连接线分为锐角 连接线和钝角连接线。 所述的锐角连接线为过凸起底部的平行四边形相邻边夹角为 锐角的圆弧倒角的中心连接线， 例如； EK凸起中心和 FG凸起中心的连接线。 所述 的钝角连接线为过凸起底部的平行四边形相邻边夹角为钝角的圆弧倒角的中心连接 线， 例如； FK凸起中心和 EG凸起中心的连接线。
本实施例中， 所述的脱水孔 3 的中心均设置在锐角连接线上， 并且在同一纵向 流道 4和横向流道 5交叉处设置的两个脱水孔 3相对于对应的钝角连接线对称。
本实施例中， 顶面和过渡曲面的交线构成一与凸起底部同形不同大小的、 圆弧 倒角相连的平行四边形。 本实施例中， 顶面和过渡曲面的交线还可以设置为正方形、 菱形、 平行四边形、 圆形或任一形状的几何图形， 优选的设置为与凸起底部同形不 同大小的形状。 且顶面和过渡曲面的交线投影至桶壁上的投影线， 均需设置在凸起 底部形状线之内， 以保证过渡曲面为由上至下逐渐向外凸。
实施例 3
如图 7所示， 一种洗衣机的内桶， 桶壁 1上设有多个呈行、 列排布的压型和多 个在桶壁 1最底部设置的脱水孔 3。 所述的每个压型均由指向内桶内部的凸起构成。 所述凸起包括第一凸起 21和第二凸起 22。所述的第一凸起 21和第二凸起 22的底部 由相同形状、 不同大小的长方形构成。 所述的第一凸起 21和第二凸起 22交叉排布， 使得相邻列凸起之间的缝隙构成直的、两侧壁交叉左右向外扩张的纵向流道 4，相邻 行凸起 2之间的缝隙构成直的、 与纵向流道 4相垂直的、 两侧壁交叉左右向外扩张 的横向流道 5。 在横向流道 5与纵向流道 4的交叉处分别设置有脱水孔 3。
如图 8所示， 在桶壁 1上有多条与内桶轴线相垂直的、 等间距排布的行线： L-
L、 M-M、 N-N……还设置有多条与行线呈同一交叉角的、 等间距排布的列线： H-H、 P-P、 Q-Q、 I-I……在每条列线与每条行线的交叉处， 均设置有一凸起。 在同一列上、 同一行上， 分别交叉的、 中心等间距的设置有第一凸起 21和第二凸起 22， 所述的第 一凸起 21和第二凸起 22的中心分别对应与行线与列线的交点相重合。
如图 9所示， 本实施例中， 第一凸起 21和第二凸起 21的中心点距桶壁 1的距 离相等。 通过交叉设置不同大小的凸起， 使得同一横向流道 5和同一纵向流道 4中 的水流发生左右移动、 并改变其水流速度， 达到改变内桶中水流以对衣物进行捶打 的洗涤效果。
还可以将第一凸起和第二凸起的中心点距桶壁的高度值设为不同值。 如图 10所 示， 第一凸起 21的中心点距桶壁的距离与第二凸起 22的中心点距桶壁 1的距离的 比值为 2: 1。 从而， 使得内桶内壁的表面构成一凹凸状的波浪式表面， 使洗衣机工 作过程中， 内桶中的衣物与内桶壁进行搓擦效果以提高洗衣机的洗涤效率。
本发明并不限于上述举例， 对于本领域技术人员来说显而易见的技术方案， 在 不脱离本发明的精神或范围的情况下， 对本发明做各种修改和改变都在本发明权利 要求及其等同替换的范围内， 本发明涵盖这样的修改和改变。

Claims

权 利 要 求 书
1、 一种洗衣机内桶， 桶壁 （1 ) 上设有多个压型和多个脱水孔 （3) ， 其特征在于： 所述的压型由指向内桶内部的凸起 （2) 构成， 所述凸起 （2) 的底部为平行四边形， 所述凸起呈行、 列排布； 相邻列和相邻行的凸起 （2)之间的缝隙构成一供水流通过 的直流道， 所述的脱水孔 （3) 设置在直流道上。
2、 根据权利要求 1 所述的洗衣机内桶， 其特征在于， 各个凸起 （2) 的底部由同一 形状的平行四边形构成， 所述的平行四边形为矩形、 正方形、 菱形或相邻边不相等 的平行四边形。
3、 根据权利要求 2所述的洗衣机内桶， 其特征在于， 同一列凸起 （2) 的中心线与 同一行凸起的中心线相互垂直相交,。
4、 根据权利要求 1所述的洗衣机内桶， 其特征在于， 同一列和同一行上的相邻凸起 (2) 间的距离相等。
5、 根据权利要求 1 所述的洗衣机内桶， 其特征在于， 所述凸起 （2) 由不同曲率的 顶面和过渡曲面构成， 使沿凸起外壁由凸起中心向凸起底部的任一点之间的连接线 均由两段不同曲率的弧线构成。
6、 根据权利要求 1所述的洗衣机内桶， 其特征在于， 顶面和过渡曲面的交线构成一 与凸起底部的平行四边形同形不同大小的平行四边形， 所述的两个曲面交线构成的 平行四边形的长宽小于凸起底部的平行四边形的长宽。
7、 根据权利要求 5所述的洗衣机内桶， 其特征在于， 凸起 （2) 底部和两个曲面交 线构成的平行四边形的相邻侧边之间经圆角过渡相连。
8、 根据权利要求 6所述的洗衣机内桶， 其特征在于， 平行四边形的侧边由两端向中 间逐渐向外突出弯曲。
9、 根据权利要求 1所述的洗衣机内桶， 其特征在于， 各条直流道组成一由多条平行 设置的横向流道 （5 ) 与多条平行设置的纵向流道 （4) 交叉构成的流道网； 在横向 流道 （5) 与纵向流道 （4) 的交叉处分别设置有脱水孔 （3) 。
10、 一种洗衣机， 其特征在于， 在洗衣机内设置有权利要求 1-9任一项所述的内桶。
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