WO2018040933A1 - 一种内外桶间无水的洗衣机 - Google Patents

一种内外桶间无水的洗衣机 Download PDF

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Publication number
WO2018040933A1
WO2018040933A1 PCT/CN2017/097879 CN2017097879W WO2018040933A1 WO 2018040933 A1 WO2018040933 A1 WO 2018040933A1 CN 2017097879 W CN2017097879 W CN 2017097879W WO 2018040933 A1 WO2018040933 A1 WO 2018040933A1
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WIPO (PCT)
Prior art keywords
valve
water
sealing device
centrifugal
inner tub
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PCT/CN2017/097879
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English (en)
French (fr)
Inventor
刘尊安
杨丽梅
朱国防
纪虎
庄儒营
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青岛海尔洗衣机有限公司
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Publication of WO2018040933A1 publication Critical patent/WO2018040933A1/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
    • 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
    • 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
    • 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
    • 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
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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 technical field of laundry devices, in particular to a washing machine without water between inner and outer barrels.
  • the existing washing machine includes a casing and an outer tub and an inner tub disposed inside the casing, and the inner tub is rotatably disposed in the outer tub.
  • the barrel wall of the inner tub is covered with a dewatering hole, so that when the laundry is washed, the washing water flows from the dewatering hole to between the inner tub and the outer tub, and the washing water cannot be sufficiently obtained. Utilization leads to waste of water resources.
  • the outer wall of the inner tub, the inner wall of the outer tub, and the area between the inner tub and the outer tub can breed dirt, pollute the user's clothes, and seriously affect the user's laundry experience. .
  • the prior art washing machine has the main structural feature that there is no hole in the barrel wall of the inner barrel, so that when washing, only water is contained in the inner barrel, and there is no water between the inner barrel and the outer barrel, which not only saves The amount of water used for washing, and the elimination of dirt between the inner and outer barrels, avoiding clothing pollution, improving the washing effect and improving the user experience.
  • the washing machine After the washing machine has no water between the inner tub and the outer tub during the washing, after a period of use, since there is no hole in the inner tub, the washing mud and the like may not be discharged in time, which affects the user's washing effect.
  • the present invention has been made in order to solve the problem of discharge of debris such as sediment in a washing machine which is free between the inner tub and the outer tub during washing.
  • the present invention provides a washing machine for waterless between inner and outer barrels, and specifically adopts the following technical solutions:
  • a waterless washing machine between inner and outer barrels comprising:
  • the inner tub is rotatably disposed in the outer tub;
  • the inner tub contains water, and there is no water between the inner tub and the outer tub;
  • a drainage hole is defined in a bottom of the inner barrel, and a drainage sealing device is disposed on the outer wall of the inner bottom of the inner barrel;
  • the drain sealing device keeps the drain hole closed, and when the water is dehydrated, the drain sealing device opens the drain hole under the centrifugal force.
  • the drain sealing device comprises a sealing device and a centrifugal device:
  • the sealing device comprises a water inlet end communicating with a drainage hole at the bottom of the inner tub and a water outlet communicating with the water inlet end a movable plug body is disposed between the water inlet end and the water outlet end;
  • the centrifugal device comprises a centrifugal block movable under the centrifugal force of the washing machine when the washing machine is dehydrated, and the centrifugal block is connected to the plug body ;
  • the centrifugal block During washing/rinsing, the centrifugal block is stationary with respect to the inner tub, and the plug body is kept in the communication line between the water inlet end and the water outlet end to keep the drainage hole at the bottom of the inner tub closed.
  • the centrifugal block When dehydrating, the centrifugal block is under centrifugal force Moving, the plug body is moved out of the communication line between the water inlet end and the water outlet end to open the drain hole.
  • the centrifugal device further includes a slide rail, and the centrifugal block is a slider disposed on the slide rail and slidable along the slide rail, and the slider passes through the connecting member and Plug body connection.
  • the slide rails are disposed along the radial direction of the inner tub.
  • the distance between the centrifugal block and the center of rotation of the inner tub is greater than or equal to 1/2 of the bottom radius of the inner tub;
  • the distance between the centrifugal block and the center of rotation of the inner tub is greater than or equal to the bottom radius of the inner tub.
  • the opening force of the sealing device is set to F
  • the water pressure of the plug portion of the sealing device is set to p
  • the pressure receiving area is S
  • the sealing requirements of the drain hole at the bottom of the barrel shall be F>Fp;
  • the design should take into account that even if the sealing device can be opened even in low water or no water conditions, it should be satisfied that F is >F.
  • the sealing device is a sealing valve
  • the water inlet end is an inlet pipe for sealing the valve
  • the water outlet end is an outlet pipe for sealing the valve
  • the sealing valve is further
  • the valve body includes a water inlet pipe and an outlet pipe
  • the plug body includes a valve plug that cooperates with the valve body
  • An elastic device is disposed between the valve plug and the valve body, and the elastic device acts on the valve plug for maintaining a seal between the valve plug and the valve body.
  • the valve body includes a connecting pipe communicating with the water inlet pipe and a sealing pipe communicating with the water outlet pipe;
  • valve plug is disposed in the sealing tube and is telescopically movable, the valve plug and the connecting tube are sealingly engaged, and the valve plug is connected with the connecting arm for connecting with the centrifugal block;
  • a valve spring is disposed between the valve plug and the sealing tube.
  • the centrifugal block, the valve body and the valve plug are disposed on the same straight line, and the straight line passes through the center of the bottom of the inner tub.
  • the connecting arm and the valve plug are connected by a tension spring, and the connecting arm and the centrifugal block are connected by a drawstring.
  • the inner tub is a water tank, and the inner and outer barrels are free of water, which not only reduces the amount of washing water, but also prevents water from growing between the inner and outer barrels, thereby improving washing efficiency.
  • the water-free washing machine between the inner and outer barrels of the present invention has a drainage hole at the bottom of the inner tub, and through the cooperation between the drainage sealing device and the drainage hole, the drainage sealing device keeps the drainage hole closed during dehydration during washing/rinsing. At the time, the drain sealing device opens the drain hole under the action of centrifugal force. In this way, on the one hand, the washing machine is kept in the washing/rinsing process, and there is no water between the inner and outer barrels. On the other hand, in the dehydration process, the debris and the like accumulated in the washing process can be discharged from the drainage hole, thereby improving the washing efficiency.
  • the drainage sealing device of the invention opens the drainage hole at the bottom of the barrel in the drainage hole by the centrifugal force during dehydration, has a simple structure and low cost, and can effectively solve the problem that the sediment cannot be discharged.
  • Figure 1 is a schematic perspective view showing the bottom of the washing machine of the present invention
  • Figure 2 is a schematic perspective view showing the upper portion of the washing machine of the present invention.
  • Figure 3 is a plan view of the washing machine of the present invention.
  • Figure 4 is a cross-sectional view of the washing machine of the present invention taken along line X-X of Figure 3;
  • Figure 5 is a partial enlarged view of the fourth aspect of the present invention.
  • a water-free washing machine between the inner and outer barrels of the embodiment includes:
  • the inner tub 7 is rotatably disposed in the outer tub 9;
  • the inner tub 7 contains water, and the inner tub 7 and the outer tub 9 are free of water;
  • a drain hole 18 is defined in a bottom of the inner tub 7 , and a drainage sealing device is disposed on the bottom outer wall of the inner tub;
  • the drain sealing device keeps the drain hole 18 closed, and the drain sealing device opens the drain hole 18 under the centrifugal force during dehydration.
  • the inner tub 7 is a water tank, and there is no water between the inner and outer barrels, which not only reduces the amount of washing water, but also prevents water from growing between the inner and outer barrels, thereby improving washing efficiency.
  • the water-free washing machine between the inner and outer barrels of the present embodiment has a drain hole 18 at the bottom of the inner tub 7, and through the cooperation between the drain sealing device and the drain hole 18, the drain sealing device maintains the drain hole during washing/rinsing. 18 is closed, and the drain sealing device opens the drain hole 18 under centrifugal force during dehydration. In this way, on the one hand, the washing machine is kept in the washing/rinsing process, and there is no water between the inner and outer barrels. On the other hand, in the dehydration process, the sand and the like accumulated in the washing process can be discharged from the drainage hole 18, thereby improving the washing efficiency. .
  • the drainage sealing device of the present embodiment opens the drainage hole 18 by the centrifugal force during dehydration, has a simple structure and low cost, and can effectively solve the problem that the sediment cannot be discharged.
  • the drain sealing device comprises a sealing device 3 and a centrifugal device:
  • the sealing device 3 includes a water inlet end communicating with the bottom drain hole 18 of the inner tub and a water outlet end communicating with the water inlet end, and a movable plug body is disposed between the water inlet end and the water outlet end;
  • the centrifugal device includes a centrifugal block movable under the centrifugal force of the washing machine when it is dehydrated, and the centrifugal block is connected to the plug body.
  • the centrifugal block is stationary with respect to the inner tub, and the plug body is held in the communication line between the water inlet end and the water outlet end to keep the drain hole 18 closed, and when the water is dehydrated, the centrifugal block moves under the centrifugal force.
  • the plug body is moved out of the communication line between the water inlet end and the water outlet end to open the drain hole 18.
  • the centrifugal block of the present embodiment drives the drainage body of the sealing device 3 to open the drainage hole 18 under the centrifugal force of the dehydration.
  • the embodiment fully utilizes the characteristics of fast rotation speed and large centrifugal force when the washing machine is dehydrated, and adopts the method that the centrifugal block drives the plug body movement of the sealing device 3 to open the drainage hole 18, the structure is simple, the cost is low, and the problem that the sediment cannot be discharged can be effectively solved. .
  • the centrifugal device of the embodiment further includes a slide rail 6 which is a slider 5 disposed on the slide rail and slidable along the slide rail, and the slider 5 passes through the connecting member and the plug Body connection.
  • the movement track of the slider 5 is restricted by the slide rail 6 so as to move according to the slide rail 6 to meet the technical purpose of the slider 5 pulling the plug body to open the drain hole 18.
  • the arrangement of the slide rails 6 reduces the friction between the bottoms of the barrels in the slider 5, and it is easier to perform centrifugal movement under the action of centrifugal force.
  • the slider 5 of the embodiment is a rectangular parallelepiped block structure
  • the slide rail 6 has a rectangular parallelepiped slide matching the shape of the slider, and the slider is limitedly installed in the slide rail of the slide rail 6. Further, limit projections are provided at both ends of the slide rail to prevent the slider 5 from coming off the slide rail of the slide rail 6.
  • the slide rails 6 of the present embodiment are disposed along the radial direction of the inner tub 7. Since the slider 5 performs centrifugal movement under the rotation of the inner tub 7, the slide rail 6 is disposed along the radial direction of the inner tub 7, which is more advantageous for the slider 5 to slide along the slide rail 6 under the centrifugal force.
  • the direction of movement of the plug body of the embodiment should be consistent with the direction in which the slide rails are disposed, so that the slider 5 drives the plug body to move.
  • the centrifugal device of the present invention can drive the plug body to open the drain hole 18 under the action of centrifugal force during dehydration, the relevant parameters need to be calculated and designed, and the specific calculation process is as follows:
  • the opening force of the sealing device is set to F
  • the water pressure of the plug portion of the sealing device is set to p
  • the pressure receiving area is S
  • the opening force F>pS of the sealing device provides a theoretical basis for the selection of the sealing device.
  • the valve structure should be selected to take into account this condition to meet the sealing function.
  • the mass of the centrifugal block is set to m
  • the distance of the centrifugal block from the center of rotation of the inner barrel is the radius of rotation r
  • the rotational speed of the inner barrel when dehydrating is n
  • the centrifugal force F of the centrifugal block in the inner tub dehydration rotation is away from mr (2 ⁇ n/ 60) 2 ;
  • the design should consider that even if the sealing device can be opened even in the low water level or no water state, it should satisfy: F away > F;
  • the mass m of the centrifugal block, the rotational radius r, the rotational speed n when the inner tub is dehydrated, and the opening force F of the sealing device should satisfy: mr(2 ⁇ n/60) 2 >F.
  • the setting of the mass m and the radius of rotation r of the centrifugal block should refer to the rotational speed n of the inner tub when the washing machine is dehydrated and the opening force F of the sealing device, and the opening force F of the sealing device can be selected.
  • the sealing device of the embodiment is a sealing valve
  • the inlet end is a water inlet pipe A for sealing the valve
  • the water outlet end is a sealing valve
  • the outlet pipe C further includes a valve body 17 that communicates between the inlet pipe and the outlet pipe
  • the plug body includes a valve plug 16 that cooperates with the valve body.
  • An elastic device is disposed between the valve plug 16 and the valve body 17, and the elastic device acts on the valve plug 16 for maintaining a seal between the valve plug 16 and the valve body 17.
  • a common sealing valve is used as a sealing device, which is convenient to install and use, has a simple structure, and is low in cost and easy to implement.
  • the valve body 17 described in this embodiment includes a connecting pipe communicating with the water inlet pipe and a valve pipe 12 communicating with the water outlet pipe; the valve plug 16 is disposed in the valve pipe 12 and is telescopically movable, and the valve plug 16 is sealingly engageable with the connecting tube, and the valve plug 16 is connected to the connecting arm 11 for connection with the centrifugal block; a valve spring 15 is disposed between the valve plug 16 and the valve tube 12.
  • the valve spring 15 is a compression spring for the valve plug 16 to remain sealed when unstressed to close the drain hole 18.
  • the plug body of the present embodiment further includes a valve tube 12, the valve tube 12 is telescopically disposed in the valve body 17, and the valve body 17 is correspondingly provided with a valve hole for the passage of the valve tube 12, and the valve cover is provided with a valve cover 13 to achieve a seal.
  • the valve plug 16 of the present embodiment includes a valve plug body disposed at one end of the valve tube 12 and a retractable corrugated section. The corrugated section encloses the valve tube 12, and one end of the bellows is fixed to the inner wall of the valve body 17, so that the valve tube 12 The movement causes the valve plug 16 to move to open/close.
  • valve tube 12 of the present embodiment is connected to the connecting arm 11 by a tension spring 14.
  • the valve tube 12 of the present embodiment can ensure that the valve plug 16 moves along a particular track to ensure the tightness of the valve plug 16.
  • the connecting arm 11 and the valve tube 12 are connected by a tension spring 14, and the connecting arm 11 and the centrifugal block are connected by a pull cord 4.
  • the centrifugal block, the valve body 17 and the valve plug 16 are disposed on the same straight line, and the straight line passes through the center of the bottom of the inner tub 7. That is, the centrifugal block, the valve body 17 and the valve plug 16 are all disposed along the radial direction of the inner tub 7, so as to satisfy the movement of the centrifugal block under the centrifugal action, and better to move the valve plug 16 to realize the opening of the drainage hole 18.
  • the inlet pipe A of the valve body 17 is connected to the inner tub bottom 10 at the bottom of the inner tub of the washing machine and is sealed.
  • the outlet pipe C of the valve body 17 has a water outlet.
  • valve plug 16 seals the B port of the valve body 17 so that the water inside the inner tub cannot be leaked during washing.
  • the slider 5 moves outward under the action of the centrifugal force, and the connecting arm 11 is pulled by the pulling rope 4, the connecting arm 11 pulls the tension spring 14 mounted thereon, and the action of the tension spring 14 drives the valve tube 12 in the valve cover. 13 restricted direction action. Due to the assembled relationship of the valve tube 12 and the valve plug 16, the movement of the valve tube 12 will drive the valve plug 16 to move, thereby releasing the sealing of the valve plug 16 to the B port of the valve body 17. The sediment deposited on the bottom of the washing machine can be discharged from the outlet pipe C through the outlet B into the outer tub 9 and discharged out of the washing machine through the drainage device.
  • the distance between the centrifugal block and the center of rotation of the inner tub 7 is greater than or equal to 1/2 of the bottom radius of the inner tub; this allows the centrifugal mass to be subjected to greater centrifugal force for centrifugal motion.
  • the centrifugal block has a bottom radius of the barrel 7 at a distance from the center of rotation of the inner tub 7, such that the centrifugal force experienced by the centrifugal block is maximized.
  • the bottom of the inner tub can also be arranged as the structure shown in FIG. 1 to FIG. 4, specifically, the inner tub 7
  • the bottom portion extends to the outside of the inner tub 7 to form a plane larger than the inner diameter of the inner tub, and the bottom wall of the plane is mounted with a centrifugal device;
  • a flange 1 is mounted on the bottom of the inner tub, and the flange 1 extends outwardly of the inner tub to be larger than the inner tub 7
  • the flange plane of the diameter, the centrifugal device is installed on the bottom wall of the flange.
  • the upper drain hole of the inner tub has a dispensing opening
  • the balance ring 8 is mounted on the injection port, and one end of the inner bucket near the balance ring 8 is provided with a circle of dehydration holes.
  • the inner portion of the balance ring 1 of the present embodiment projects into the inner tub, and the dewatering hole is disposed directly opposite the balance ring 1, so that the balance ring 1 can block the dewatering hole of the circle, and the inner barrel can be kept free of holes.
  • the drain sealing device is mounted on the flange 1 and has one end connected to the inner tub 7 (the inner tub is the inner tub bottom 10 and the tub body separated structure, the inner tub bottom 10 is connected), and the other end is the outlet.
  • the inner tub 7 and the flange 1, the deceleration clutch device 2, and the drain sealing device together form a watertight inner tub, and the inner water is used for washing the laundry.
  • the sealing device 3 inside the drain sealing device prevents water in the inner tub from leaking out during washing.
  • the washing machine drives the inner tub 7 to rotate at a high speed.
  • the slider 5 since the slider 5 has a certain mass, it moves outward in the direction restricted by the chute 6 by the centrifugal force. Since the slider 5 is connected to the sealing device 3 using the drawstring 4, the sealing device 3 can be pulled apart by the centrifugal force generated by the slider 5, so that the sediment can be discharged from the bottom of the washing machine during dehydration.
  • the barrel body and the inner bottom 10, the flange 1, the deceleration clutch device 2, and the drainage sealing device together form a watertight inner barrel, and the interconnection parts of the components should be reliably sealed and watertight.
  • the bottom of the inner tub is provided with a drain hole 18 and a sealing device so that water and sediment deposited at the bottom of the inner tub can be discharged from the bottom of the inner tub.
  • the key point of the present invention is that the drain hole 18 at the bottom of the inner tub can be opened only by the action of the centrifugal force without borrowing any other driving means, so that the sediment at the bottom of the inner tub can be smoothly discharged.
  • the direction of the slider movement and the direction in which the seal is released are preferably the relationship between the two through the center of rotation of the inner tub (ie, in any diameter direction of the inner tub).

Abstract

一种内外桶间无水的洗衣机，包括：外桶（9）；内桶（7），可转动的设置在外桶（9）内；在洗涤/漂洗过程中，所述内桶（7）内盛水，内桶（7）与外桶（9）之间无水；所述内桶（7）的底部开设排水孔（18），所述内桶（7）的底部外壁上对应排水孔（18）设置排水密封装置（3）；在洗涤/漂洗时，所述的排水密封装置（3）保持排水孔（18）封闭，在脱水时，所述排水密封装置（3）在离心力作用下将排水孔（18）打开。所述洗衣机不仅保持在洗涤/漂洗过程中，内外桶间无水，而且可在脱水过程中，将洗衣过程中积累的泥沙等杂物由排水孔（18）排出，提高了洗衣效率，另外，排水密封装置（3）利用脱水时离心力开启，结构简单，成本较低，能有效解决泥沙不能排出的问题。

Description

一种内外桶间无水的洗衣机 技术领域
本发明涉及洗衣装置技术领域，具体地，涉及一种内外桶间无水的洗衣机。
背景技术
现有的洗衣机包括壳体以及设置在壳体内的外桶、內桶，內桶可转动的设置在外桶内。为了实现衣物的脱水功能，內桶的桶壁上布满了脱水孔，这样在进行衣物洗涤时，洗涤水会由脱水孔流至內桶与外桶之间，这部分洗涤水不能得到充分的利用而导致水资源的浪费。
另外，由于內桶与外桶之间存水的问题，会导致在內桶的外壁、外桶的内壁以及內桶与外桶之间的区域滋生污垢，污染用户衣物，严重影响用户的洗衣体验。
为了解决上述问题，现有一种洗衣机，其主要的结构特点是內桶的桶壁上无孔，这样，在洗涤时，只在内桶中有水，內桶与外桶之间无水，不仅节省了洗衣的用水量，而且杜绝了內桶与外桶之间滋生污垢，避免衣物污染，提高洗涤效果，提升用户体验。
上述在洗涤时內桶与外桶间无水的洗衣机在使用一段时间以后，由于內桶上无孔，洗涤后的泥沙等杂物可能无法及时排出，影响用户洗衣效果。
为了解决洗涤时內桶与外桶间无水的洗衣机的泥沙等杂物的排出问题，特提出本发明。
发明内容
为了解决上述问题，本发明提供一种内外桶间无水的洗衣机，具体地，采用如下的技术方案：
一种内外桶间无水的洗衣机，包括：
外桶；
内桶，可转动的设置在外桶内；
在洗涤/漂洗过程中，所述的内桶内盛水，内桶与外桶之间无水；
所述内桶的底部开设排水孔，所述内桶的底部外壁上对应排水孔设置排水密封装置；
在洗涤/漂洗时，所述的排水密封装置保持排水孔封闭，在脱水时，所述的排水密封装置在离心力作用下将排水孔打开。
作为本发明的一种优选实施方式，所述的排水密封装置包括密封装置和离心装置：
所述的密封装置包括与內桶底部的排水孔相连通的进水端和与进水端相连通的出水 端，所述的进水端与出水端之间设置可移动的塞体；所述的离心装置包括可在洗衣机脱水时的离心力作用下移动的离心块，离心块与所述的塞体相连接；
在洗涤/漂洗时，离心块相对于內桶静止，塞体保持在进水端与出水端之间的连通管路内以保持内桶底部的排水孔封闭，在脱水时，离心块在离心力作用下移动，带动塞体移出进水端与出水端之间的连通管路以将排水孔打开。
作为本发明的一种优选实施方式，所述的离心装置还包括滑轨，所述的离心块为设置在所述滑轨上可沿其滑动的滑块，所述的滑块通过连接件与塞体连接。
作为本发明的一种优选实施方式，所述的滑轨沿着內桶的径向方向设置。
作为本发明的一种优选实施方式，所述的离心块与内桶转动中心的距离大于等于內桶的底部半径的1/2；
优选地，所述的离心块与内桶转动中心的距离大于等于內桶的底部半径。
作为本发明的一种优选实施方式，所述密封装置的开启力设为F，密封装置的塞体部位承受的水压设为p，受压面积为S，则压力Fp＝pS，为满足內桶底部排水孔的密封要求，则应F＞Fp；
设定离心块的质量为m，离心块距离内桶转动中心的距离为转动半径r，内桶脱水时的转速为n，则离心块在内桶脱水转动时的离心力F离＝mr(2πn/60)2；
若要求在脱水时利用离心块产生的离心力F离打开密封装置，则应满足：F离+Fp＞F；
设计上应考虑到即使在低水位或无水状态下也可打开密封装置，则应满足：F离＞F。
作为本发明的一种优选实施方式，所述的密封装置为密封阀门，所述的进水端为密封阀门的进水管，所述的出水端为密封阀门的出水管，所述的密封阀门还包括连通进水管与出水管的阀体，所述的塞体包括与所述阀体相配合的阀塞；
所述的阀塞与阀体之间设置弹性装置，所述的弹性装置作用于阀塞上用于保持阀塞与阀体之间密封。
作为本发明的一种优选实施方式，所述的阀体包括与进水管连通的连接管和与出水管相连通的密封管；
所述的阀塞设置在密封管内且可伸缩移动，阀塞与连接管可密封配合，阀塞连接用于与离心块相连接的连接臂；
所述的阀塞与密封管之间设置阀簧。
作为本发明的一种优选实施方式，所述的离心块、阀体以及阀塞设置在同一条直线上，且该直线通过所述內桶的底部圆心。
作为本发明的一种优选实施方式，所述的连接臂与阀塞之间通过拉簧连接，连接臂与离心块之间通过拉绳连接。
本发明的内外桶间无水的洗衣机在洗涤/漂洗时，内桶为盛水桶，内外桶间无水，不仅减少了洗涤用水量，而且内外桶间无水避免滋生污垢，提高了洗涤效率。
本发明的內外桶间无水的洗衣机在內桶的底部开设排水孔，通过排水密封装置与排水孔之间的配合，在洗涤/漂洗时，所述的排水密封装置保持排水孔封闭，在脱水时，所述的排水密封装置在离心力作用下将排水孔打开。这样，一方面保持洗衣机在洗涤/漂洗过程中，内外桶间无水，另一方面，可在脱水过程中，将洗衣过程中积累的泥沙等杂物由排水孔排出，提高了洗衣效率。
本发明的排水密封装置利用脱水时的离心力将排水孔内桶底部排水孔开启，结构简单，成本较低，能有效解决泥沙不能排出的问题。
附图说明
图1本发明洗衣机底部的立体结构示意图；
图2本发明洗衣机上部的立体结构示意图；
图3本发明洗衣机的俯视图；
图4本发明洗衣机沿图3的X-X面的剖视图；
图5本发明途4的局部放大图。
附图中的标号说明：1-法兰盘 2-减速离合装置 3-密封装置 4-拉绳 5-滑块 6-滑轨 7-內桶 8-平衡环 9-外桶 10-内桶底 11-连接臂 12-阀管 13-阀盖 14-拉簧 15-阀簧 16-阀塞 17-阀体 18-排水孔。
具体实施方式
下面结合附图对本发明的一种内外桶间无水的洗衣机进行详细描述：
如图1-图5所示，本实施例的一种内外桶间无水的洗衣机，包括：
外桶9；
内桶7，可转动的设置在外桶9内；
在洗涤/漂洗过程中，所述的内桶7内盛水，内桶7与外桶9之间无水；
所述内桶7的底部开设排水孔18，所述内桶的底部外壁上对应排水孔18设置排水密封装置；
在洗涤/漂洗时，所述的排水密封装置保持排水孔18封闭，在脱水时，所述的排水密封装置在离心力作用下将排水孔18打开。
本实施例的内外桶间无水的洗衣机在洗涤/漂洗时，内桶7为盛水桶，内外桶间无水，不仅减少了洗涤用水量，而且内外桶间无水避免滋生污垢，提高了洗涤效率。
本实施例的內外桶间无水的洗衣机在內桶7的底部开设排水孔18，通过排水密封装置与排水孔18之间的配合，在洗涤/漂洗时，所述的排水密封装置保持排水孔18封闭，在脱水时，所述的排水密封装置在离心力作用下将排水孔18打开。这样，一方面保持洗衣机在洗涤/漂洗过程中，内外桶间无水，另一方面，可在脱水过程中，将洗衣过程中积累的泥沙等杂物由排水孔18排出，提高了洗衣效率。
本实施例的排水密封装置利用脱水时的离心力将排水孔18开启，结构简单，成本较低，能有效解决泥沙不能排出的问题。
作为本发明的一种优选实施方式，所述的排水密封装置包括密封装置3和离心装置：
所述的密封装置3包括与內桶底部排水孔18相连通的进水端和与进水端相连通的出水端，所述的进水端与出水端之间设置可移动的塞体；所述的离心装置包括可在洗衣机脱水时的离心力作用下移动的离心块，离心块与所述的塞体相连接。
在洗涤/漂洗时，离心块相对于內桶静止，塞体保持在进水端与出水端之间的连通管路内以保持排水孔18封闭，在脱水时，离心块在离心力作用下移动，带动塞体移出进水端与出水端之间的连通管路以将排水孔18打开。
本实施例的离心块在脱水时的离心力作用下带动密封装置3的塞体运动排水孔开启排水孔18。本实施例充分利用洗衣机脱水时转速快、离心力大的特点，采用离心块带动密封装置3的塞体运动开启排水孔18的方式，结构简单，成本较低，能有效解决泥沙不能排出的问题。
进一步地，本实施例所述的离心装置还包括滑轨6，所述的离心块为设置在所述滑轨上可沿其滑动的滑块5，所述的滑块5通过连接件与塞体连接。本实施例通过滑轨6限制滑块5的运动轨迹，使其按照滑轨6运动，以满足滑块5拉动塞体开启排水孔18的技术目的。另外，滑轨6的设置减少了滑块5內桶的底部之间的摩擦，更易在离心力作用下发生离心运动。
本实施例的滑块5为长方体块状结构，滑轨6内部具有与滑块形状相匹配的长方体滑道，所述的滑块限位安装在滑轨6的滑道内。进一步地，滑道的两端设置限位凸起，以防止滑块5由滑轨6的滑道脱出。
作为本发明的一种优选实施方式，本实施例所述的滑轨6沿着內桶7的径向方向设置。由于滑块5在內桶7转动的带动下进行离心运动，滑轨6沿着內桶7的径向方向设置，更有利于滑块5在离心力作用下沿着滑轨6滑动。
更进一步地，本实施例的塞体的移动的方向应该与滑轨设置方向保持一致，以便于滑块5带动塞体移动。
具体地，为了实现本发明的离心装置在脱水时能在离心力的作用的带动塞体移动开启排水孔18，需要对相关参数进行计算设计，具体计算过程如下：
本实施例所述密封装置的开启力设为F，密封装置的塞体部位承受的水压设为p，受压面积为S，则压力Fp＝pS，为满足內桶底部排水孔18的密封要求，则应F＞Fp。
因此，密封装置的开启力F＞pS，这为密封装置的选取提供了理论依据。例如选择常用的阀门结构作为密封装置时，阀门结构的选取应考虑这一条件以满足密封功能。
进一步地，设定离心块的质量为m，离心块距离内桶转动中心的距离为转动半径r，内桶脱水时的转速为n，则离心块在内桶脱水转动时的离心力F离＝mr(2πn/60)2；
若要求在脱水时利用离心块产生的离心力F离打开密封装置，则应满足：F离+Fp＞F；
设计上应考虑到即使在低水位或无水状态下也可打开密封装置，则应满足：F离＞F；
得到离心块的质量m、转动半径r与內桶脱水时的转速n、密封装置的开启力F之间应该满足：mr(2πn/60)2＞F。
因此，离心块的质量m、转动半径r的设置要求应该参照洗衣机脱水时內桶的转速n以及密封装置的开启力F，而密封装置的开启力F是可选定的。
作为本发明的一种优选实施方式，如图5所示，本实施例所述的密封装置为密封阀门，所述的进水端为密封阀门的进水管A，所述的出水端为密封阀门的出水管C，所述的密封阀门还包括连通进水管与出水管的阀体17，所述的塞体包括与所述阀体相配合的阀塞16。
所述的阀塞16与阀体17之间设置弹性装置，所述的弹性装置作用于阀塞16上用于保持阀塞16与阀体17之间密封。
本实施例采用常用的密封阀门作为密封装置，安装使用方便，结构简单，成本较低易于实现。
具体地，本实施例所述的阀体17包括与进水管连通的连接管和与出水管相连通的阀管12；所述的阀塞16设置在阀管12内且可伸缩移动，阀塞16与连接管可密封配合，阀塞16连接用于与离心块相连接的连接臂11；所述的阀塞16与阀管12之间设置阀簧15。优选地，所述的阀簧15为压缩弹簧，用于阀塞16在未受力时保持密封，以关闭排水孔18。
本实施的塞体还包括阀管12，阀管12可伸缩的设置在阀体17内，阀体17上对应设置用于阀管12穿过的阀孔，所述的阀孔上安装阀盖13以实现密封。本实施例的阀塞16包括设置在阀管12一端的阀塞体和可伸缩的波纹段，波纹段包裹住阀管12，波纹管的一端固定在阀体17的内壁，这样，阀管12移动带动阀塞16运动实现开启/闭合。
具体地，本实施例的阀管12通过拉簧14连接连接臂11。本实施例的阀管12可以保证阀塞16沿着特定的轨道移动，以保证阀塞16的密封性。
作为本发明的一种优选实施方式，本实施例所述的连接臂11与阀管12之间通过拉簧14连接，连接臂11与离心块之间通过拉绳4连接
作为本发明的一种优选实施方式，所述的离心块、阀体17以及阀塞16设置在同一条直线上，且该直线通过所述內桶7的底部圆心。即离心块、阀体17以及阀塞16均沿着內桶7的径向设置，以满足离心块在离心作用下运动，更好的地带动阀塞16移动实现排水孔18的开启。
阀体17的进水管A与洗衣机内桶底部的内桶底10连接并保证密封。
阀体17的出水管C上具有出水口。
在阀簧15的弹簧力的作用下，阀塞16将阀体17的B口密封，实现洗涤时内桶里面的水不能漏出。
脱水时，滑块5在离心力的作用下向外移动，通过拉绳4拉动连接臂11，连接臂11拉动装配在其上的拉簧14动作，拉簧14的动作带动阀管12在阀盖13限制的方向动作。由于阀管12与阀塞16存在装配关系，阀管12的移动将带动阀塞16移动，从而解除阀塞16对阀主体17的B口的密封。沉积在洗衣机底部的泥沙，即可经B口由出水管C流出到外桶9内，并经排水装置排出洗衣机外。
作为本发明的一种优选实施方式，所述的离心块与内桶7转动中心的距离大于等于內桶的底部半径的1/2；这样可使得离心块受到更大的离心力以进行离心运动。
优选地，所述的离心块与内桶7转动中心的距离內桶7的底部半径，这样，以使得离心块受到的离心力最大化。
需要作出说明的是：如图1-图5所示，为了清楚的表示排水密封装置的结构以及在內桶底部的安装方式，图中示例性将內桶的底部放大，此并非对內桶底部结构的限制。
作为本发明的一种优选实施方式，为了进一步增强离心块的离心作用，本实施例也可将內桶底部设置为如图1-图4所示的结构，具体地，所述內桶7的底部向內桶7外部延伸形成大于內桶内径的平面，该平面底壁上安装离心装置；
或者，所述內桶的底部安装法兰盘1，所述法兰盘1向內桶外部延伸形成大于內桶7内 径的法兰盘平面，该法兰盘平面底壁上安装离心装置。
本实施例的內桶上部排水孔具有投放口，投放口上安装平衡环8，內桶上靠近平衡环8的一端设置一圈脱水孔。本实施例的平衡环1内侧部分伸入到內桶内部，而脱水孔设置正对着平衡环1，这样平衡环1可以遮挡这一圈脱水孔，可保持內桶观感上的无孔。
本发明内外桶间无水的洗衣机的技术工作原理为：
排水密封装置安装在法兰盘1上，一端与內桶7连接(內桶是内桶底10与桶体分离结构的话，是连接内桶底10)，另一端是出口。
洗涤时，內桶7与法兰盘1、减速离合装置2、排水密封装置共同构成一个不漏水的内桶，内部盛水用于洗涤衣物。排水密封装置内部的密封装置3使得洗涤时，内桶中的水不能漏出。
洗涤/漂洗过程中，如果衣物上沾染有泥沙等异物，洗涤下来的泥沙由于重力的作用，会下沉到内桶7的底部。
脱水时，洗衣机驱动内桶7做高速旋转。此时，由于滑块5具有一定质量，在离心力的作用下，会沿着滑道6限制的方向向外侧移动。由于滑块5使用拉绳4连接在密封装置3上，因此，可以利用滑块5的产生的离心力拉开密封装置3，实现在脱水时，将泥沙从洗衣机底部排出。
本实施例的内外桶间无水的洗衣机：
(1)桶体与内桶底10、法兰盘1、减速离合装置2、排水密封装置共同构成一个不漏水的内桶，各部件的相互连接部位应可靠密封，不能漏水。
(2)内桶底部设有排水孔18以及密封装置，使得水和沉积在内桶底部的泥沙可以从内桶底部排出。
(3)本发明的关键点在于仅通过离心力的作用，而不需要借用任何其他驱动装置即可打开内桶底部的排水孔18，使得内桶底部的泥沙顺利排出。
(4)为最大限度发挥离心力的作用，滑块运动的方向、密封解除的方向优选二者之间的联系通过内桶的旋转中心(即在内桶的任一直径方向上)。
本发明的实施例仅用于解释整个发明的原理，实际上，只要是通过离心力的作用解除内桶底部密封，实现桶间无水洗涤的同时解决内桶底部泥沙残留问题，均应属于本发明的保护范围之内。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上 实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种内外桶间无水的洗衣机，包括：
    外桶；
    内桶，可转动的设置在外桶内；
    在洗涤/漂洗过程中，所述的内桶内盛水，内桶与外桶之间无水；
    其特征在于，所述内桶的底部开设排水孔，所述内桶的底部外壁上对应排水孔设置排水密封装置；
    在洗涤/漂洗时，所述的排水密封装置保持排水孔封闭，在脱水时，所述的排水密封装置在离心力作用下将排水孔打开。
  2. 根据权利要求1所述的一种内外桶间无水的洗衣机，其特征在于，所述的排水密封装置包括密封装置和离心装置：
    所述的密封装置包括与內桶底部的排水孔相连通的进水端和与进水端相连通的出水端，所述的进水端与出水端之间设置可移动的塞体；所述的离心装置包括可在洗衣机脱水时的离心力作用下移动的离心块，离心块与所述的塞体相连接；
    在洗涤/漂洗时，离心块相对于內桶静止，塞体保持在进水端与出水端之间的连通管路内，以保持排水孔封闭，在脱水时，离心块在离心力作用下移动，带动塞体移出进水端与出水端之间的连通管路，将排水孔打开。
  3. 根据权利要求2所述的一种内外桶间无水的洗衣机，其特征在于，所述的离心装置还包括滑轨，所述的离心块为设置在所述滑轨上可沿其滑动的滑块，所述的滑块通过连接件与塞体连接。
  4. 根据权利要求3所述的一种内外桶间无水的洗衣机，其特征在于，所述的滑轨沿着內桶的径向方向设置。
  5. 根据权利要求2所述的一种内外桶间无水的洗衣机，其特征在于，所述的离心块与内桶转动中心的距离大于等于內桶的底部半径的1/2；
    优选地，所述的离心块与内桶转动中心的距离等于內桶的底部半径。
  6. 根据权利要求2-5任意一项所述的一种内外桶间无水的洗衣机，其特征在于，
    所述密封装置的开启力设为F，密封装置的塞体部位承受的水压设为p，受压面积为S，则压力Fp＝pS，为满足內桶底部排水孔的密封要求，则应F＞Fp；
    设定离心块的质量为m，离心块距离内桶转动中心的距离为转动半径r，内桶脱水时的转速为n，则离心块在内桶脱水转动时的离心力F离＝mr(2πn/60)2；
    若要求在脱水时利用离心块产生的离心力F离打开密封装置，则应满足：F离+Fp＞F；
    设计上应考虑到即使在低水位或无水状态下也可打开密封装置，则应满足：F离＞F；
    得到离心块的质量m、转动半径r与內桶脱水时的转速n、密封装置的开启力F之间应该满足：mr(2πn/60)2＞F。
  7. 根据权利要求2所述的一种内外桶间无水的洗衣机，其特征在于，所述的密封装置为密封阀门，所述的进水端为密封阀门的进水管，所述的出水端为密封阀门的出水管，所述的密封阀门还包括连通进水管与出水管的阀体，所述的塞体包括与所述阀体相配合的阀塞；
    所述的阀塞与阀体之间设置弹性装置，所述的弹性装置作用于阀塞上用于保持阀塞与阀体之间密封。
  8. 根据权利要求7所述的一种内外桶间无水的洗衣机，其特征在于，所述的阀体包括与进水管连通的连接管和与出水管相连通的密封管；
    所述的阀塞设置在密封管内且可伸缩移动，阀塞与连接管可密封配合，阀塞连接用于与离心块相连接的连接臂；
    所述的阀塞与密封管之间设置阀簧。
  9. 根据权利要求7所述的一种内外桶间无水的洗衣机，其特征在于，所述的离心块、阀体以及阀塞设置在同一条直线上，且该直线通过所述內桶的底部圆心。
  10. 根据权利要求7所述的一种内外桶间无水的洗衣机，其特征在于，所述的连接臂与阀塞之间通过拉簧连接，连接臂与离心块之间通过拉绳连接。
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