WO2015035729A1 - 一种洗衣机的内循环喷淋构件及其洗衣机 - Google Patents

一种洗衣机的内循环喷淋构件及其洗衣机 Download PDF

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Publication number
WO2015035729A1
WO2015035729A1 PCT/CN2013/090098 CN2013090098W WO2015035729A1 WO 2015035729 A1 WO2015035729 A1 WO 2015035729A1 CN 2013090098 W CN2013090098 W CN 2013090098W WO 2015035729 A1 WO2015035729 A1 WO 2015035729A1
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WO
WIPO (PCT)
Prior art keywords
water
plate
washing machine
spray
water inlet
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2013/090098
Other languages
English (en)
French (fr)
Inventor
吕佩师
田云
刘建设
张琪
杨旭光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haier Group Corp
Foshan Haier Drum Washing Machine Co Ltd
Original Assignee
Haier Group Corp
Foshan Haier Drum Washing Machine Co Ltd
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Publication date
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Publication of WO2015035729A1 publication Critical patent/WO2015035729A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/04—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by water jets
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements

Definitions

  • the invention relates to the field of washing machines, in particular to a washing machine having a spray circulation washing function, in particular to an inner circulation spraying member of a washing machine.
  • washing machines In response to the needs of market people, designers have developed washing machines with various functions from different angles, such as: washing machines with centrifugal laundry, washing machines with sprinklers, and dual power. Washing machine and so on.
  • a washing machine having a washing machine having a washing and dewatering tub for accommodating laundry, a tub for accommodating the washing and dewatering tub, and a driving mechanism for rotationally driving the washing and dewatering tub are disclosed in Patent Document No. 98107000. It is characterized in that the washing water in the outer side of the washing and dewatering tub and the tub are raised by the rotation of the washing and dewatering tub, and water is sprayed from the upper washing dewatering tub.
  • the purpose of the comparative document is to provide a washing machine which does not depend on the rotation of the pulsator, circulates the washing water, does not damage the laundry, improves the washing performance, and washes uniformly.
  • the stirring force generated by the rotation of the washing and dewatering tub lowers the center portion of the washing water in the tub, and the water level between the outside of the washing tub and the tub rises continuously to sprinkle water into the inside of the washing and dewatering tub.
  • a cover body may be further disposed above the tub, and a water sprinkling portion is formed between the lid body and the upper portion of the washing and dewatering tub, and a guide water suitable for guiding the washing water rising by the rotation of the washing and dewatering tub is disposed on the inner circumferential side of the tub. wall.
  • the comparative document does have the beneficial effects of not improving the washing property and improving the washing performance while washing uniformly.
  • this simple laundry method which raises the water level in the washing tub by centrifugal force to form a spray washing effect has some defects, and it has certain requirements on the rotational speed of the washing and dewatering bucket and the water level in the tub. When the rotational speed and water level do not meet this requirement, the water in the inner tub cannot reach the spray port of the outer tub cover at all, and the spray washing effect cannot be formed.
  • the invention patent application publication No. 02155940. 6 discloses a washing machine and a washing method using the same.
  • the washing machine which effectively removes dirt by the action of detergent foam, the detergent is dissolved and the detergent water is made.
  • a detergent foam is formed and injected from above into the washing and dewatering tank to ensure good detergency and reduce uneven washing.
  • a washing machine for circulating washing water and washing is disclosed.
  • the washing machine rotatably accommodates a washing and dewatering tank for accommodating laundry in a water storage tank, and is driven by a motor.
  • a pump chamber is formed on the inner surface of the water storage tank, and the washing water between the washing and dewatering tank and the water storage tank is concentrated in the pump chamber by the rotation of the washing and dewatering tank, and the water is lifted upward through the circulation path connected to the pump chamber.
  • this is also a washing machine that circulates washing water, and the washing water is circulated through the circulating water passage through the pump chamber.
  • the invention patent No. 200410004726. 9 discloses an internal circulation spray type washing machine which adopts a circulating spray washing method, and a spray device is arranged on the outer tub cover of the washing machine to achieve the effect of spray washing.
  • the spray device comprises: a water injection pipe, a water chamber, a waterfall formation, a limit baffle, and the water chamber is composed of an upper water chamber and a lower water chamber.
  • the washing water is pressed into the spraying device by the water pump through the circulation pipe, and first enters the water chamber, and the water is temporarily stored in the portion.
  • the washing water then reaches the formation of the waterfall, where the washing water is "pressed” to form the shape of the waterfall.
  • the waterfall is limited by the limit baffle and sprayed into the inner bucket.
  • the spray device can achieve the effect of spray washing, it still has the following disadvantages:
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a spray member of an internal circulation spray washing machine which is simple in structure, low in cost, does not splash water on any water level, and has a stable spray area.
  • an inner circulation spray member of a washing machine which is disposed on an outer tub cover above the outer tub of the washing machine, and includes a water retaining plate and an outer tub cover.
  • the formed nozzle and the inclined water are disposed on the outer circumference of the outer tub cover and connected to the nozzle to connect the water inlet of the circulation pipe, and the water retaining plate is connected to the outer tub cover via the side retaining ribs on both sides in the water flow direction to form a spray water outlet.
  • the axis of the water inlet is inclined obliquely upward in the water inlet direction, and the angle ⁇ with respect to the horizontal direction is 10° ⁇ ⁇ ⁇ 18°.
  • a semi-circular water inlet rib having a height L2 is provided at the bottom of the water inlet, 0. 1 ⁇ L2/D0 ⁇ 0. 5 o
  • the diameter of the water inlet is D0
  • the diameter of the circulation pipe connected to the water inlet is D1, which is 0. 8 ⁇ D0/D1 ⁇ 0.
  • the water retaining plate is provided with an obliquely upward angle ⁇ 1 between the water flow direction and the horizontal plane as 0° ⁇ ⁇ 1 ⁇ 5°, and the horizontal difference between the two ends of the water deflecting plate is L0, 0 ⁇ L1 /D0 ⁇ 0. 2 o
  • the outer wall portion of the outer tub cover forming the shower water outlet is mainly composed of a first plate, a transition plate and a second plate; one end of the first plate is connected to the water inlet, and the other end is bent downward.
  • the transition plate is connected to one end of the second plate; the horizontal height of the second plate is lower than the horizontal level of the first plate, and the height difference between the connecting end of the transition plate and the first plate and the connecting end of the transition plate and the second plate is Ll , 0. 3 ⁇ L1/D0 ⁇ 0. 8.
  • the first plate is horizontally disposed, the angle between the first plate and the transition plate is ⁇ , and the angle between the second plate and the transition plate is ⁇ , 90° ⁇ ⁇ ⁇ 115°, 90° ⁇ y ⁇ 110° .
  • the extension line at the bottom of the water inlet intersects the transition plate such that the water flow entering from the water inlet is blocked by the transition plate to change the direction of water flow, and then flows from the water spray port to the inner tub.
  • the second plate and the horizontal surface are provided with an upward angle ⁇ 2 of 0° ⁇ ⁇ 2 ⁇ 5°.
  • the second plate and the suspended end of the water baffle constitute a nozzle water spout, the floating end of the second plate is the upper edge of the spout, and the suspended end of the baffle is the lower edge of the spout.
  • the distance between the upper and lower sides of the water spout is gradually reduced from the left and the right to the middle; the distance between the upper and lower edges of the spout is the height of the spout, which satisfies 0. 2 ⁇ H/D0 ⁇ 1; The distance between the left and right ends of the nozzle is the width of the spout L3, 1 ⁇ L3/D0 ⁇ 30o
  • the water retaining plate is connected to the water inlet, the water retaining plate is spaced apart from the outer tub cover, and the water inlet, the water retaining plate and the outer tub cover are integrally disposed.
  • a side rib is disposed between the outer tub cover and the water baffle along the water flow direction.
  • the ribs on both sides are in a figure-eight shape, the narrow mouth communicates with the water inlet, and the wide mouth is the water spray port of the spray water flow; the distance between the left and right ends of the water spray port is the width of the water spray port L3, 1 ⁇ L3/D0 ⁇ 30.
  • a reinforcing rib protruding from the lower surface is provided on the upper edge of the water spout, and both ends of the reinforcing rib are connected with the side retaining ribs.
  • the transition plate is formed by an arc-shaped plate, the center of which is located on the side of the water inlet, and the two ends of the arc-shaped plate extend to be connected to the side ribs.
  • a plurality of curved splitting ribs are arranged between the second plate and the water deflecting plate, and the two ends are located on the edge of the water spout, and the sprinkling water splashing between the water retaining rib and the two ends thereof
  • the edge of the mouth cooperates to form a closed area, and the split rib is bent at an arc chamfer, and the center of the chamfer of the split rib is located in the closed area.
  • the multi-segmented split shunt rib comprises a first split rib, which is a top-closed figure-eight structure, the top closed end faces the inlet, is closed by a circular section, and the end is located in the water spray
  • the edge of the spray outlet on one side of the mouth further includes a second split rib, and the second split rib is located inside the first split rib, and the ends of the two split ribs coincide.
  • Another object of the present invention is to provide a washing machine equipped with the spray member of the inner circulation spray washing machine according to any of the above, wherein a spray member is disposed on the outer tub cover above the outer tub of the washing machine to circulate the washing machine
  • the water passes through the spraying member to form a waterfall-like water curtain effect, increases the circulating water coverage area, improves the washing effect, and at the same time makes the spray water flow shape more beautiful and the spray area larger.
  • the internal circulation spray system is mainly composed of a spray member, a circulation pipe and a circulation pump, and the spray member is connected to the circulation pump via a circulation pipe.
  • the lower part of the outer tub cover is provided with a water retaining plate, and the water retaining plate is connected with the outer circumference of the outer tub cover, and is preferably provided as an integral structure.
  • the shower member of the present invention comprises a spray water outlet chamber composed of an outer tub cover and a water deflector.
  • the spray water outlet has a spray spout at one end and a water inlet inclined at an outer periphery of the outer lid at the other end.
  • the invention integrally forms a spray member on the outer drum cover of the existing washing machine, the spray member has simple structure, simple process, small design area and low cost; improves the direction of the water flow of the spray member, and improves the circulation pipe
  • the inner diameter has at least two different sizes, so that the spraying effect of the invention is not limited by the water level and the inner barrel rotation speed, the spraying process does not splash water, and the spraying area is even and stable, always falls in the central area of the inner barrel, and is beneficial for wetting during washing. Clothes, speed up the dissolution of the washing liquid, fully combine it with the clothes, and act to separate the stains from the clothes.
  • the invention has the outer structure of the outer lid of the spray cover, and cooperates with the lower water retaining plate, and the water retaining plate and the balance A certain gap is set between the rings, so that part of the spray water rotates along the balance ring to the outside of the inner tub during the rotation of the inner tub, and has the function of cleaning the outer wall of the inner tub.
  • Figure 1 is a schematic view showing the structure of a spray outer tub cover of the washing machine of the present invention
  • FIG. 2 is a schematic view showing the installation structure of the circulation pipe and the water inlet of the present invention
  • Figure 3 is a schematic cross-sectional view of the spray member and the circulation pipe of the present invention.
  • Figure 4 is a schematic cross-sectional view of the spray member of the present invention.
  • Figure 5 is a partial schematic view of the outer tub cover with the spray member of the present invention.
  • Figure 6 is a partial bottom plan view of the outer tub cover with the spray member of the present invention.
  • Figure 7 is a schematic structural view of a circulation pipe of the present invention.
  • Figure 8 is a schematic view showing the spray water flow of the washing machine of the present invention.
  • FIGS. 9 and 10 are schematic views of different spray water flows of the washing machine of the present invention.
  • 11 to 14 are schematic structural views of different embodiments of the spray member of the present invention.
  • Figure 15 is a schematic view of another spray water flow of the washing machine of the present invention.
  • the washing machine with the spray outer lid of the present invention comprises an inner tub 1 , an outer tub 2 and an inner circulation sprinkling system, and an outer tub cover 3 is arranged above the outer tub 2 , the inner tube
  • the circulating sprinkler system is mainly composed of a spraying member 6, a circulation pipe 5 and a circulation pump (not shown), wherein the lower portion of the outer tub cover 3 is provided with a water retaining plate 4, a water retaining plate 4 and an outer tub.
  • the outer circumference of the lid 3 is connected, preferably as a unitary structure.
  • the shower member 6 of the present invention comprises a shower water outlet chamber composed of an outer tub cover 3 and a water deflector 4.
  • the spray water outlet has one end
  • the spray spout 62 has a water inlet 61 which is disposed at an outer periphery of the outer tub cover 3 at the other end.
  • the water inlet 61 of the present invention is inclined obliquely upward in the water inlet direction, and the angle ⁇ with respect to the horizontal direction is 10° ⁇ ⁇ ⁇ 18°, preferably 15°, and the angle water flow is
  • the spray water chamber cooperates to form a curved water flow that is close to the arc.
  • the water flow is stable and does not splash water. It does not splash water for any water level, which is good for washing large-sized bedding, down, sheets and more clothes.
  • Some circulating sprinkler systems rarely splash water when circulating at low and medium water levels, but for high water levels, splashes are more.
  • the sprayed water spout 62 is disposed on the inner ring of the outer tub cover 3, and the water inlet 61 is disposed on the outer ring of the outer tub cover 3, and a sprinkler water outlet is formed between the spout 62 and the water inlet 61.
  • the upper wall of the shower water outlet chamber is constituted by an outer tub cover 3, and the lower wall is constituted by a water retaining plate 4.
  • the outer wall portion of the outer tub cover 3 constituting the shower water outlet chamber is mainly composed of a first plate 31, a transition plate 32 and a second plate 33.
  • the first plate 31 is horizontally disposed, one end is connected to the water inlet 61, and the other end is connected to the end of the transition plate 32 at an angle ⁇ , 90° ⁇ ⁇ ⁇ 115°.
  • the other end of the transition plate 32 is joined to the end of the second plate 33 at an angle ⁇ of 90° ⁇ y ⁇ 110°.
  • the other end of the second plate 33 is suspended.
  • the second plate 33 is disposed below the first plate 31 and is inclined obliquely upward in the water inlet direction, and the angle of inclination with the horizontal direction is , 2, 0° ⁇ ⁇ 2 ⁇ 5°.
  • the first plate 31 and the second plate 33 are formed with a height difference L1, and the height difference L1 is the height difference between the two ends of the transition plate 32 in the vertical direction, 0. 3 ⁇ L1/D0 ⁇ 0.
  • the water baffle 4 is composed of a straight plate whose one end is connected to the water inlet 61 and whose other end is suspended.
  • the water baffle is disposed at the lower part of the outer tub cover 3, and the water retaining plate 4 is inclined obliquely upward in the water inlet direction, and the angle of inclination with the horizontal direction ⁇ 1, 0° ⁇ ⁇ 1 ⁇ 5°.
  • the floating end of the water deflector 4 is the lower edge of the water spray port 62, and the floating end of the second plate 33 is the upper edge of the water spray port 62; the distance between the upper edge and the lower edge is two by the water spray port 62
  • the lateral middle gradually narrows.
  • the distance between the upper edge and the center of the lower edge is the height H of the water spout 62.
  • the left and right sides of the water deflector 4 are connected to the outer tub cover 3 via the side retaining ribs 63, so that the spray water outlet chamber constitutes a closed flow passage having only the water inlet 61 and the water spout 62, so that the water flows from the water inlet 61.
  • the ribs 64 on both sides have a figure-eight shape, the narrow mouth communicates with the water inlet 61, the wide mouth is the both sides of the water spray port 63 of the spray water flow, and the distance between the two sides is the width L3 of the water spray port.
  • the water inlet 61 is composed of a circular tube having a diameter DO, and the bottom of the circular tube is blocked by the water inlet rib 63.
  • the cross section of the water inlet rib 63 is a semicircular water inlet with a height of L2 and a diameter of DO. Rein 63.
  • the ratio of the width L3 of the water spout and the pipe diameter DO of the water inlet is 1 ⁇ L3/D0 ⁇ 30,
  • the ratio of the height H of the spout to the pipe diameter DO of the water inlet is 0. 2 ⁇ H/D0 ⁇ 1;
  • the ratio of the height difference L1 to the inlet pipe diameter DO is 0 ⁇ L1/D0 ⁇ 0.2.
  • the transition plate 32 has an arc shape, and the center of the circle is located at the water inlet 61 side, and both ends of the arc-shaped transition plate 42 extend to be connected to the side ribs 64. Thereby, the water flowing in the water inlet 61 is caused to flow through the transition plate 42 to be dispersed after the first water is collected, so that the water flow is stable. From the spout 62, a waterfall-like spray water flow is formed.
  • the second plate 33 of the embodiment is provided with a plurality of curved splitting ribs 66, and the two ends are located on the edge of the water spout 62, and the water retaining rib 66 and the two ends thereof are separated.
  • the edge of the water spout 62 cooperates to form a closed area B, and the shunt rib 66 is bent at an arc, and the center of the chamfering of the shunt rib 66 is located in the closed area B, that is, the shunt
  • the water retaining rib 66 is bent, and its protruding direction corresponds to the water inlet 61, so that the water flow flows from the water inlet 61 into the shower water outlet, is dispersed by the split water rib 66, and flows out from the water spray port 62.
  • the transition plate 32 of this embodiment is the arc shape and the second plate in the first embodiment.
  • the shunt dam 66 of the second embodiment is disposed on the 33, and is blocked by the arc-shaped transition plate 32, and the water is pressed down to the water baffle 4, and finally the shim frog 66 is matched with the baffle 4. Underneath, a water curtain effect similar to "lantern" is formed, and soft water is sprayed on the clothes or the gland, and directly penetrates into the clothes or spreads evenly along the surface of the gland to avoid the occurrence of splashing water; The cavity fit makes the spray water flow more beautiful and the spray area larger (see Figure 10).
  • the shunt rib 66 disposed on the second plate 33 of the present embodiment includes a first shunt rib 661, which is a figure-shaped structure with a top closed, and the top closed end faces the water inlet 61.
  • the direction is closed for the circular arc segment, the end portion is located on the water spout 62; and the second shunt water retaining rib 662 is included, that is, the shunt water retaining rib 66 structure in the second embodiment, and the second shunt water retaining rib 66 Located inside the first shunt rib 661, the end sprinklers of the two shunt ribs coincide.
  • the spray water outlet chamber cooperates to make the spray water flow out from both sides of the water spray port to form a spray effect on both sides of the inner bucket. (See Figure 15).
  • the spraying member 6 can adjust the height H of the water spout, the width L3, and the shape of the sprinkling water chamber to change the width of the water outlet flow of the spout to form a partial area covering the inner tub (see the figure). 8) or the entire area of the inner bucket (see Figure 10).
  • the circulation pipe 5 of the present invention comprises at least two pipes of different inner diameters, one end is connected with the water inlet 61, and the other end is connected with the circulation pump, and the spray member is controlled by the change of the inner diameter of the circulation pipe 5 and the inclination angle of the inlet water. 6 spray water flow.
  • the circulation pipe 5 of the present invention includes a first pipe 51 having an inner diameter D1 and a second pipe 52 having an inner diameter D2, 1 ⁇ D1/D2 ⁇ 1.8, the first pipe 51.
  • the first pipe has a length 11 and a total length of the circulation pipe 1 which satisfies 0. K 11/K0. 5 .
  • the end of the first pipe 51 communicating with the shower member water inlet port 61 is provided with a bending head 53 which is satisfied by the circulation pipe 5
  • the water flow direction angle ⁇ into the water inlet is 100° ⁇ ⁇ ⁇ 108°; preferably, ⁇ is 105°.
  • a bent head 54 is also provided at the end of the second conduit 52.

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

Abstract

一种洗衣机的内循环喷淋构件及其洗衣机，所述的洗衣机包括内桶（1）、外桶（2）和内循环喷淋系统，外桶（2）上方设有外桶盖（3），所述的内循环喷淋系统主要由喷淋构件（6）、循环管（5）和循环泵构成，其中，喷淋构件（6）设置于洗衣机外桶（2）上方的外桶盖（3）上，其包括由挡水板（4）与外桶盖（3）相配合形成的喷嘴和倾斜设于外桶盖（3）外周与喷嘴相通连接循环管（5）的进水口（61），所述的挡水板（4）沿水流方向两侧经侧边挡筋（64）与外桶盖（3）相连接以构成喷淋出水腔。通过循环管（5）内径变化配合进水倾斜角度控制喷淋构件（6）的喷淋水流。该喷淋构件（6）结构简单、成本低，内循环喷淋系统对任何水位喷淋都不溅水，且喷淋区域稳定、喷淋均匀，有助于衣物的洗涤。

Description

一种洗衣机的内循环喷淋构件及其洗衣机
技术领域
本发明涉及洗衣机领域， 具体是一种具有喷淋循环洗功能的洗衣机， 尤其是一 种洗衣机的内循环喷淋构件。
背景技术
目前， 全世界关于洗衣机的开发类型层出不穷， 应市场人们生活的需要， 设计 人员从不同的角度开发了具有各种功能的洗衣机， 如： 离心力洗衣的洗衣机、 具有 喷淋装置的洗衣机、 具有双动力的洗衣机等等。
申请号为 98107000. 0的专利文献中公开了一种洗衣机， 具备容纳洗涤物的洗涤 脱水桶、 使此洗涤脱水桶可自由旋转地被容纳的盛水桶以及旋转驱动此洗涤脱水桶 的驱动机构， 其特征在于用所述洗涤脱水桶的旋转使在洗涤脱水桶外侧与盛水桶间 的洗涤水上升、 从上方向洗涤脱水桶内洒水。
从对比文件中公开的内容可以看出， 该对比文件的目的在于提供一种不依赖于 脉动器的转动、 使洗涤水循环、 不使洗涤物受损伤、 提高洗涤性能并洗涤均匀的洗 衣机。 因洗涤脱水桶的旋转产生的搅拌力使盛水桶内洗涤水的中央部下降， 洗涤脱 水桶的外侧与盛水桶间的水位不断上升而向洗涤脱水桶的内部洒水。 也可以进一步 在盛水桶上方设置盖体， 所述盖体与洗涤脱水桶的上部间形成洒水排出部， 在盛水 桶内周侧面设置适于因洗涤脱水桶旋转而上升的洗涤水进行导向的导向壁。 对比文 件与当时的现有技术相比， 确实具有不损伤洗涤物而提高洗涤性能、 同时又洗涤均 匀等有益效果。 但是实际上， 这种单纯的靠离心力作用将洗涤桶内的水位上升形成 喷淋洗效果的洗衣方法存在一些缺陷， 它对洗涤脱水桶的转速和桶内的水位都有一 定的要求， 当内桶的转速、 水位没有达到该要求时， 内桶的水根本无法达到洗涤外 桶盖的喷淋口处， 也就无法形成喷淋洗的效果。
申请号为 02155940. 6的发明专利申请公开说明书中公开了一种洗衣机以及使用 它的洗涤方法， 在利用洗涤剂泡沫的作用有效的除去污垢的洗衣机中， 将洗涤剂溶 解后， 使洗涤剂水生成洗涤剂泡沫并从上方注入到洗涤兼脱水槽内的洗涤物上， 确 保良好的洗净力并减少洗涤不均匀的发生。 申请号为 02142716. X的发明专利中公开了一种使洗涤水循环进行洗涤和清洗的 洗衣机， 该洗衣机在储水槽内回转自如的收容有收容洗涤物的洗涤兼脱水槽， 并由 电机进行回转驱动， 在储水槽的内面形成有泵室， 通过洗涤兼脱水槽的回转将洗涤 兼脱水槽与储水槽之间的洗涤水集中在泵室， 并经与泵室连接的循环路径向上方扬 水。 实际上， 这也是将洗涤水循环使用的一种洗衣机， 通过泵室将洗涤水通过循环 水路循环。
在上述的对比文件中， 已经公开了离心力洗衣机以及喷淋洗衣机的概念， 与早 先的洗衣机相比较在原理、 功能、 结构等方面有较大的进步， 但是， 在这些现有技 术中的洗衣机仍存在以下缺点：
1 )采用离心方式形成瀑布喷淋时， 对水位和内桶的转速有一定的要求， 并且如 果水位过低或内桶转速不够时， 都达不到瀑布喷淋的效果；
2 )现有的洗衣机中， 有的根本没有设置专门的喷淋装置， 有的喷淋装置占用外 桶的盖面积过大， 影响了洗衣机的注水效果；
3 )现有洗衣机的喷水口出水处没有设置专门的档水板， 瀑布喷射在桶内前后位 置不定， 水流时前时后不稳定。
申请号为 200410004726. 9 的发明专利公开了一种内循环喷淋式洗衣机，采用循 环喷淋的洗涤方法， 在洗衣机外桶盖上设置一喷淋装置， 达到喷淋洗的效果。 该喷 淋装置包括： 注水管、 水腔、 瀑布形成处、 限位挡板， 而水腔又由上水腔和下水腔 组成。 洗涤水由水泵经循环管压入喷淋装置， 首先进入水腔， 水在此部位暂存。 然 后洗涤水便到达瀑布形成处， 洗涤水在此处即被 "压迫"形成为瀑布的雏形。 最后 瀑布由限位挡板限位， 喷洒在内桶中。
此种喷淋装置虽然可以达到喷淋洗的效果， 但是仍存在以下缺点：
1 ) 洗涤过程， 喷淋水会溅水， 尤其是中、 高水位循环喷淋洗涤， 溅水较大， 存 在安全隐患；
2 ) 喷淋落点区域偏离内桶中心， 喷淋利用率低；
3 ) 喷淋水流不均匀， 喷淋洗涤、 漂洗效果不好。
有鉴于此特提出本发明。 发明内容
本发明要解决的技术问题在于克服现有技术的不足， 提供一种结构简单、 成本 低， 对任何水位喷淋都不溅水， 且喷淋区域稳定的内循环喷淋洗衣机的喷淋构件。
为解决上述技术问题， 本发明采用技术方案的基本构思是： 一种洗衣机的内循 环喷淋构件， 设置于洗衣机外桶上方的外桶盖上， 其包括由挡水板与外桶盖相配合 形成的喷嘴和倾斜设于外桶盖外周与喷嘴相通连接循环管的进水口， 所述的挡水板 沿水流方向两侧经侧边挡筋与外桶盖相连接以构成喷淋出水腔。
进一步， 所述的进水口的轴线沿进水方向斜向上倾斜， 与水平方向的倾斜夹角 α为 10° < α < 18° 。在进水口的底部设置有高度为 L2的、半圆形的进水挡筋， 0. 1 <L2/D0<0. 5 o
进一步， 所述的进水口的管径为 D0， 与进水口相连接的循环管的管径为 Dl， 为 0. 8<D0/D1 <0. 9。
进一步， 所述的挡水板沿水流方向与水平面间设有一斜向上的夹角 Θ 1为 0° < Θ 1 <5° ， 所述挡水板的两端水平高度差为 L0， 0<L1/D0<0. 2 o
进一步， 所述外桶盖构成喷淋出水腔的上壁部分主要由第一板、 过渡板和第二 板构成； 所述的第一板的一端与进水口相连， 另一端经向下弯折的过渡板与第二板 的一端相连； 第二板的水平高度低于第一板的水平高度， 过渡板和第一板的连接端 与过渡板和第二板的连接端间具有高度差 Ll， 0. 3<L1/D0<0. 8。
进一步， 所述的第一板水平设置， 第一板与过渡板的夹角为 β， 第二板与过渡 板的夹角为 γ， 90° < β < 115° ， 90° < y < 110° 。 优选的， 进水口底部的延长 线与过渡板相交， 使从进水口进入的水流被过渡板阻挡改变水流方向， 之后再从喷 水口流至内桶中。
进一步， 所述的第二板与水平面间设有一向上的夹角 Θ 2为 0° < Θ 2<5° 。 进一步， 第二板与挡水板的悬空端构成喷嘴喷水口， 所述第二板的悬空端为喷 水口上沿， 挡水板的悬空端为喷水口下沿。
进一步， 喷水口上、 下沿的间距由左右两侧向中间逐渐变小； 喷水口上、 下沿 中心处的间距为喷水口的高度 Η， 满足 0. 2<H/D0< 1 ; 喷水口左右两端间的距离为 喷水口的宽度 L3， 1 <L3/D0<30o 进一步， 所述的挡水板与进水口相连接， 所述挡水板与外桶盖相距一定距离， 所述的进水口、 挡水板与外桶盖一体设置。
进一步， 所述的外桶盖与挡水板之间沿水流方向两侧设有侧边挡筋。 两侧边挡 筋呈八字形， 窄口与进水口相通， 宽口为喷淋水流的喷水口； 喷水口左右两端间的 距离为喷水口的宽度 L3， 1 <L3/D0<30。 优选的， 在喷水口上边沿上设有凸出于下 表面的加强凸筋， 该加强凸筋两端与侧边挡筋连接。
进一步， 所述的过渡板由一圆弧状板材构成， 圆心位于进水口一侧， 圆弧状板 材的两端延伸与两侧边挡筋连接。
进一步， 所述的第二板与挡水板之间设置有多段弯折状的分流挡水筋， 两端部 位于喷水口边缘上， 分流挡水筋与其两端之间的喷淋喷水口边缘配合形成封闭区域， 该分流挡水筋弯折处圆弧倒角， 分流挡水筋圆弧倒角的圆心位于封闭区域内。
优选的， 多段弯折状的分流挡水筋包括第一分流挡水筋， 为一呈顶部封闭的八 字形结构， 顶部封闭端正对进水口的方向， 为圆弧段封闭， 端部位于喷水口一侧的 喷淋出水口边缘上， 还包括第二分流挡水筋， 第二分流挡水筋位于第一分流挡水筋 内部， 两分流挡水筋的端部重合。
本发明的另一目的在于， 提供一种装有如上任一所述内循环喷淋洗衣机的喷淋 构件的洗衣机， 在洗衣机外桶上方的外桶盖上设有喷淋构件， 以使洗衣机的循环水 经喷淋构件以形成瀑布状的水帘效果， 增大循环水覆盖面积， 提高洗涤效果， 同时 使得喷淋水流形状更美观， 喷淋区域更大。
进一步， 所述的内循环喷淋系统主要由喷淋构件、 循环管和循环泵构成， 所述 的喷淋构件经循环管与循环泵相连接。 其中， 所述的外桶盖下部设置有挡水板， 挡 水板与外桶盖的外周相连接， 优选的设为一体结构。 本发明所述的喷淋构件包括由 外桶盖和挡水板构成的喷淋出水腔。 所述的喷淋出水腔一端有喷淋喷水口， 另一端 有倾斜设于外桶盖外周的进水口。
本发明在现有的洗衣机外桶盖上一体成型一喷淋构件， 该喷淋构件结构简单， 工艺简单， 设计面积小， 成本低廉； 通过改进喷淋构件进水水流的方向， 及改进循 环管具有至少两个不同大小的内径， 使得本发明喷淋效果不受水位和内桶转速限制， 喷淋过程不溅水， 且喷淋区域均匀稳定， 始终落于内桶中心区域， 洗涤时有利于浸 湿衣物， 加快溶解洗涤液， 使其充分与衣物结合， 发生作用， 将污渍从衣物上分开， 有助于衣物的进一步洗净； 漂洗时喷淋利于去除泡沫， 提高洗净比； 本发明由于喷 淋构件为外桶盖一体成型结构， 与下方的挡水板配合， 在挡水板与平衡环之间设置 一定间隙， 使内桶转动过程中部分喷淋水随平衡环转动流向内桶外侧， 具有清洗内 桶外壁的功能。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
图 1是本发明洗衣机喷淋外桶盖结构示意图；
图 2是本发明循环管和进水口安装结构示意图；
图 3是本发明喷淋构件和循环管剖面示意图；
图 4是本发明喷淋构件剖面示意图；
图 5是本发明具有喷淋构件的外桶盖局部示意图；
图 6是本发明具有喷淋构件的外桶盖局部仰视示意图；
图 7是本发明循环管结构示意图；
图 8是本发明洗衣机喷淋水流示意图；
图 9和图 10是本发明洗衣机不同喷淋水流示意图；
图 11至图 14是本发明喷淋构件不同实施例的结构示意图；
图 15是本发明洗衣机另外一种喷淋水流示意图。
主要元件说明：
1 内桶， 2 外桶， 3—外桶盖， 4一挡水板， 5—循环管， 6—喷淋构件， 7—平 衡环， 31—第一板， 32—过渡板， 33—第二板， 61—进水口， 62—喷水口， 63—进 水挡筋， 64—侧边挡筋， 65—加强凸筋， 66 分流挡水筋， 661—第一分流挡水筋， 662—第二分流挡水筋。
具体实施方式
如图 1至图 14所示， 本发明所述具有喷淋外桶盖的洗衣机包括内桶 1、 外桶 2 和内循环喷淋系统， 外桶 2上方设有外桶盖 3，所述的内循环喷淋系统主要由喷淋构 件 6、 循环管 5和循环泵（图中未示出）构成， 其中， 所述的外桶盖 3下部设置有挡 水板 4， 挡水板 4与外桶盖 3的外周相连接， 优选的设为一体结构。本发明所述的喷 淋构件 6包括由外桶盖 3和挡水板 4构成的喷淋出水腔。 所述的喷淋出水腔一端有 喷淋喷水口 62， 另一端有倾斜设于外桶盖 3外周的进水口 61。
如图 4所示， 本发明所述的进水口 61沿进水方向斜向上倾斜， 与水平方向的倾 斜夹角 α为 10° < α < 18° ， 优选为 15° ， 该角度进水水流与喷淋出水腔配合形成 接近弧形的反射水流， 水流稳定且不溅水， 对于任何档的水水位均不溅水， 有利于 洗涤大体积的被褥、 羽绒、 床单及较多的衣物， 而现有的循环喷淋系统， 虽然在中 低水位循环洗涤时， 很少溅水， 但是对于高水位， 则溅水较多。
喷淋的喷水口 62设置在外桶盖 3的内圈上， 进水口 61设置在外桶盖 3的外圈 上， 喷水口 62与进水口 61之间为喷淋出水腔。所述的喷淋出水腔的上壁由外桶盖 3 构成， 下壁由挡水板 4构成。外桶盖 3构成喷淋出水腔的上壁部分主要由第一板 31、 过渡板 32和第二板 33。所述的第一板 31水平设置， 一端与进水口 61相连， 另一端 与过渡板 32的一端呈夹角 β的相连接， 90° < β < 115° 。 过渡板 32的另一端与第 二板 33的一端呈夹角 γ的相连接， 90° < y < 110° 。 所述的第二板 33的另一端悬 空设置。 所述的第二板 33设置在第一板 31的下方， 并沿进水方向斜向上倾斜， 与 水平方向的倾斜夹角 Θ 2， 0° < Θ 2<5° 。 从而， 使得第一板 31与第二板 33形成 一高度差 L1，所述的高度差 L1为过渡板 32的两端垂直方向的高度差值， 0. 3<L1/D0 <0. 8。
挡水板 4由一端与进水口 61相连接， 另一端悬空的直板构成， 挡水板设置在外 桶盖 3的下部， 挡水板 4沿进水方向斜向上倾斜， 与水平方向的倾斜夹角 Θ 1， 0° < Θ 1 <5° 。 所述的挡水板 4的悬空端为喷水口 62的下边沿、 第二板 33的悬空端 为喷水口 62的上边沿； 上边沿与下边沿的间距， 由喷水口 62的两侧向中间逐渐收 窄。 所述的上边沿与下边沿中心处的间距为喷水口 62的高度 H。
挡水板 4的左右两侧经侧边挡筋 63与外桶盖 3相连接， 以使喷淋出水腔构成 只有进水口 61和喷水口 62的密闭流道， 使水流从进水口 61流至喷水口 62。两侧边 挡筋 64呈八字形， 窄口与进水口 61相通， 宽口为喷淋水流的喷水口 63的两侧边， 两侧边之间的距离为喷水口的宽度 L3。 进水口 61由管径 DO的圆管构成， 所述圆管 的底部被进水挡筋 63堵死， 进水挡筋 63的横断面为高度是 L2、直径是 DO的半圆形 进水挡筋 63。
实施例一
本实施例， 所述的喷水口的宽度 L3与进水口的管径 DO之比为 1 <L3/D0<30， 喷水口高度 H与进水口的管径 DO之比为 0. 2<H/D0< 1； 高度差 L1与进水口管径 DO 之比为 0<L1/D0<0. 2。
如图 11所示， 本实施例中， 所述的过渡板 32为圆弧状， 圆心位于进水口 61— 侧， 圆弧状过渡板 42的两端延伸与两侧边挡筋 64连接。 从而， 使得进水口 61流入 的水流经过渡板 42阻挡为先聚水后分散， 使得水流平稳。 并从喷水口 62处， 形成 瀑布状的喷水水流。
实施例二
如图 12所示， 本实施例所述的第二板 33上设置有一多段弯折状的分流挡水筋 66， 两端部位于喷水口 62边缘上， 分流挡水筋 66与其两端之间的喷水口 62边缘配 合形成封闭区域 B， 该分流挡水筋 66弯折处圆弧倒角， 分流挡水筋 66圆弧倒角的圆 心位于封闭区域 B内， 也就是说， 该分流挡水筋 66弯曲， 其凸出的方向对应进水口 61， 使得水流由进水口 61流入喷淋出水腔后通过分流挡水筋 66分散再从喷水口 62 流出。
实施例三
如图 13所示， 本实施例所述的过渡板 32为上述实施例一中的圆弧状和第二板
33上设置有实施例二中的分流挡水筋 66， 受圆弧状过渡板 32隔挡， 下压水流至挡 水板 4上， 最终沿分流挡水筋 66配合挡水板 4顺流而下， 形成类似 "灯笼状 "的水 帘效果， 柔和的水流洒在衣物或压盖上， 直接渗透到衣物内或沿压盖表面均匀铺开， 避免了溅水现象的出现； 该喷淋出水腔配合， 使得喷淋水流形状更美观， 喷淋区域 更大 （参阅图 10) 。
实施例四
如图 14所示， 本实施例所述的第二板 33上设置的分流挡水筋 66包括第一分流 挡水筋 661， 为一呈顶部封闭的八字形结构， 顶部封闭端正对进水口 61的方向， 为 圆弧段封闭， 端部位于与喷水口 62上； 还包括第二分流挡水筋 662， 即为实施例二 中的分流挡水筋 66结构， 第二分流挡水筋 662位于第一分流挡水筋 661内部， 两分 流挡水筋的端部喷水口处重合。 该喷淋出水腔配合， 使得喷淋水流从喷水口两侧流 出， 以形成对内桶两侧喷淋的效果。 （参阅图 15 ) 。 实施例五
本实施例中， 所述的喷淋构件 6可以调节喷水口的高度 H、 宽度 L3及喷淋出水 腔的形状， 以改变喷水口出水水流的宽度， 以形成覆盖内桶局部区域（参阅图 8 )或 内桶全部区域 （参阅图 10) 。
还可以， 沿外桶盖内圈径向间隔设置至少两个喷淋构件， 以实现内桶周圈内循 环喷水的效果 （参阅图 9) 。
实施例六
如图 7所示， 本发明循环管 5包括至少两段不同内径的管路， 一端与进水口 61 连通， 另一端与循环泵连通， 通过循环管 5 内径变化配合进水倾斜角度控制喷淋构 件 6的喷淋水流。如图 6所示， 本发明所述的循环管 5包括内径为 D1的第一管路 51 和内径为 D2的第二管路 52， 1 <D1/ D2< 1. 8， 第一管路 51与喷淋构件进水口 61连 通， 第二管路 52与循环泵排水口连通（参阅图 3 ) ； 所述第一管路的长度 11与循环 管总长度 1满足 0. K 11/K0. 5。
为了上述循环管分别与循环泵排水口、 喷淋构件进水口 61连通方便， 所述第一 管路 51与喷淋构件进水口 61连通的一端设置有弯折头 53， 满足由循环管 5通入进 水口的水流变向角度 Θ为 100° < Θ < 108° ； 优选的， Θ为 105° 。 第二管路 52的 末端也设有弯折头 54。
上述实施例中的实施方案仅仅是对本发明的优选实施例进行描述， 并非对本发 明的构思和范围进行限定， 在不脱离本发明设计思想的前提下， 本领域中专业技术 人员对本发明的技术方案作出的各种变化和改进， 均属于本发明的保护范围。

Claims

权 利 要 求 书
1、 一种洗衣机的内循环喷淋构件， 设置于洗衣机外桶 （2) 上方的外桶盖 （3) 上， 其特征在于： 包括由挡水板 （4) 与外桶盖 （3) 相配合形成的喷嘴和倾斜设于 外桶盖 （3) 外周与喷嘴相通连接循环管 （5) 的进水口 （61) ， 所述的挡水板 （4) 沿水流方向两侧经侧边挡筋 （64) 与外桶盖 （3) 相连接以构成喷淋出水腔。
2、 根据权利要求 1所述的一种洗衣机的内循环喷淋构件， 其特征在于： 所述的 进水口 （61) 的轴线沿进水方向斜向上倾斜， 与水平方向的倾斜夹角 α为 10° < α <18° 。
3、 根据权利要求 2所述的一种洗衣机的内循环喷淋构件， 其特征在于： 所述的 进水口 （61) 的管径为 D0， 与进水口 （61) 相连接的循环管 （5) 的管径为 Dl， 为
0.8<D0/D1<0.9; 所述的循环管（5)与进水口 （61)连通的一端满足由循环管（5) 通入进水口 （61) 的水流变向角度 Θ为 100° < Θ <108° 。
4、 根据权利要求 3所述的一种洗衣机的内循环喷淋构件， 其特征在于： 在进水 口 （61) 的底部设置有高度为 L2的进水挡筋 （63) ， 0.1<L2/D0<0.5o
5、 根据权利要求 1所述的一种洗衣机的内循环喷淋构件， 其特征在于： 所述的 挡水板 （4) 沿水流方向与水平面间设有一斜向上的夹角 θ 1 为 0° < Θ 1<5° ， 所 述挡水板 （4) 的两端水平高度差为 L0， 0<L1/D0<0.2o
6、 根据权利要求 1所述的一种洗衣机的内循环喷淋构件， 其特征在于： 所述外 桶盖 （3) 构成喷淋出水腔的上壁部分主要由第一板 （31) 、 过渡板 （31) 和第二板 (33) 构成； 所述的第一板 （31) 的一端与进水口 （61) 相连， 另一端经向下弯折 的过渡板 （32) 与第二板 （33) 的一端相连； 第二板 （33) 的水平高度低于第一板 (31) 的水平高度， 过渡板 （32) 和第一板 （31) 的连接端与过渡板 （32) 和第二 板 (33) 的连接端间具有高度差 Ll， 0.3<L1/D0<0.8o
7、 根据权利要求 6所述的一种洗衣机的内循环喷淋构件， 其特征在于： 所述的 第二板 （33) 与水平面间设有一向上的夹角 Θ 2为 0° < Θ 2<5° 。
8、 根据权利要求 7所述的一种洗衣机的内循环喷淋构件， 其特征在于： 所述的 过渡板 （32) 由一圆弧状板材构成， 圆心位于进水口一侧， 圆弧状板材的两端延伸 与两侧边挡筋 （63) 连接。
9、 根据权利要求 6所述的一种洗衣机的内循环喷淋构件， 其特征在于： 第二板 ( 33) 与挡水板 （4) 的悬空端构成喷嘴喷水口 （62) ， 所述第二板 （33) 的悬空端 为喷水口上沿， 挡水板的悬空端为喷水口下沿； 喷水口上、 下沿的间距由左右两侧 向中间逐渐变小； 喷水口上、 下沿中心处的间距为喷水口 （62) 的高度 H， 满足 0. 2 <H/D0< 1 ; 喷水口 （62 ) 左右两端间的距离为喷水口 （62 ) 的宽度 L3， KL3/D0 <30。
10、 根据权利要求 1至 9任一所述的一种洗衣机的内循环喷淋构件， 其特征在 于： 所述的进水口 （4) 、 挡水板 （61 ) 与外桶盖 （3) —体设置。
11、 一种装有如权利要求 1至 10任一所述内循环喷淋构件的洗衣机。
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