WO2007071628A1 - Water seal structure and washing apparatus using the same - Google Patents

Water seal structure and washing apparatus using the same Download PDF

Info

Publication number
WO2007071628A1
WO2007071628A1 PCT/EP2006/069782 EP2006069782W WO2007071628A1 WO 2007071628 A1 WO2007071628 A1 WO 2007071628A1 EP 2006069782 W EP2006069782 W EP 2006069782W WO 2007071628 A1 WO2007071628 A1 WO 2007071628A1
Authority
WO
WIPO (PCT)
Prior art keywords
water seal
detergent
supplying device
seal structure
gates
Prior art date
Application number
PCT/EP2006/069782
Other languages
French (fr)
Inventor
Yan Hong Chen
Xiu Wan
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Publication of WO2007071628A1 publication Critical patent/WO2007071628A1/en

Links

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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Definitions

  • the present utility model relates to a water seal structure used in a washing machine or a washing/drying machine and a washing apparatus using the same structure; particularly, relates to a structure for providing a unidirectional detergent flow supplied by a detergent supplying device so as to avoid that the fluid in a washing tank flows into the detergent supplying device in the period of washing or drying.
  • washing machines perform washing and drying to the clothing inside the washing tank through steps of washing, rinsing, dehydrating, and heat-drying.
  • a detergent supplying device is commonly applied to various washing machines or washing/drying machines. Also, it is needed to dispose a water pipe for leading a detergent fluid (a mixture fluid of detergent and water) into the washing tank of a washing machine or a washing/drying machine.
  • a detergent fluid a mixture fluid of detergent and water
  • a mass of detergent foam is normally produced in the washing tank and such the detergent foam inevitably flows back to the detergent supplying device via the water pipe.
  • a long-term accumulation of the foam usually results in corrosion to the detergent supplying device and other related parts.
  • a mass of high-temperature mist also occurs in the washing tank, which simultaneously flows back to the detergent supplying device via the water pipe and thus corrodes the detergent supplying device or causes corrosion and oxidation to other adjacent parts.
  • Germany Patent No. DE 1610199 has provided a blocking structure that blocks the outlet of a detergent supplying device by gravity effect, but this structure is restricted to be used since the outlet of the detergent supplying device is disposed horizontally. If the outlet of the detergent supplying device is disposed vertically, the blocking structure provided by that patent will always be retained in an open state due to the gravity effect, and thus cannot block the outlet of the detergent supplying device. Therefore, the problem that detergent fluid or mist will flow back to the detergent supplying device is still inevitable.
  • One of the objects of the present utility model is to provide a water seal structure used in a detergent supplying device.
  • the structure is capable of controlling the detergent fluid provided by the detergent supplying device one-way flowing from a water pipe to a washing tank, and upon the elasticity itself, seals the outlet of the detergent supplying device while no water lashing so as to efficaciously avoid a backflow of the detergent fluid or mist into the detergent supplying device.
  • the washing apparatus comprises a detergent supplying device, a water pipe connecting to an outlet of the detergent supplying device, and a washing tank linking to the water pipe.
  • the water seal structure is disposed within the outlet of the detergent supplying device, and control the detergent fluid one-way flowing from the detergent supplying device to the water pipe.
  • the above object is implemented through a water seal structure used in a detergent supplying device, and the water seal structure comprises a water seal consisting of a taper tube and integral gates disposed in an outlet end of the tube and the tube being connected within the outlet of the detergent supplying device, wherein the gates are opened by the water flow from the detergent supplying device and seal the outlet end while no water flowing.
  • the gates are disposed equally and remain a certain chink between two sealing gates wherein the opposite gates form a "V" shape such that the detergent fluid is allowed to flow to the water pipe and then into the washing tank even a small amount for avoiding remains of the detergent fluid within the detergent supplying device or the tube of the water seal.
  • the water seal structure further comprises a supporting ring for supporting the water seal tube. The supporting ring is blocked on a convex flat formed by the tube being caved inwardly along its peripheral and thereby the tube of the water seal is fixed in the outlet of the detergent supplying device.
  • a crisscross prop is disposed inside the supporting ring for enhancing the strength of the supporting ring wherein the supporting ring is made of plastic material.
  • the water seal is made of rubber material with high-elasticity.
  • Figure 1 is a sectional drawing of a water seal structure according to the embodiment of the present utility model.
  • a detergent supplying device used in a washing machine or washing/drying machine that has several cavities (not shown) for containing various detergents and an outlet 10 for supplying a detergent fluid (the mixture of detergent and water and the water for soak and rinse) to a washing tank (not shown) of a washing machine or a washing/drying machine via a water pipe 6.
  • a detergent fluid the mixture of detergent and water and the water for soak and rinse
  • the water seal structure 2 of the embodiment is disposed in the outlet 10 of the detergent supplying device 1 for controlling the detergent fluid one-way flowing wherein the outlet 10 is disposed in a vertical direction.
  • the water seal structure 2 comprises a water seal 3 that includes a tube 20 and a gates 22 capable of sealing an outlet end 21 of the tube, and the tube 20, along an erect direction, has a certain slope so as to cooperate with the outlet 10 of the detergent supplying device 1 and thereby ensures that the water seal 3 tightly couples with the outlet 10 to avoid the water seal 3 detaching from the outlet 10.
  • the gates 22 of the water seal 3 are averagely disposed on a circumference surface of the outlet end 21 of the tube 20, and can be arranged as two gates opening from opposite directions, or be arranged as three gates, four gates, or several gates that open from opposite directions, which are integrally made of rubber material with high-elasticity as well as the tube 20. While the detergent fluid flows from the outlet 10 of the detergent supplying device 1 , due to the lashing brought by the water flow, the gates 22 of the water seal 22 are opened and then the detergent fluid is permitted to flow into the water pipe 6 through the water seal 3. Further, the detergent fluid is supplying to a washing tank of a washing machine or a washing/drying machine via the water pipe 6, and then a washing to the clothing is done through operations of the washing machine or the washing/drying machine.
  • the gates 22 of the water seal 3 After the detergent fluid supplying is completed, the gates 22 of the water seal 3 returns to its original position upon the elasticity itself and thereby seal the outlet end 21 of the water seal 3. While sealing, a certain chink is retained between two sealing gates and the opposite gates form a "V" shape such that it efficaciously ensures that even a small amount of the detergent fluid, it may flow into the water pipe 6 through the chink so as to avoid remains of the detergent fluid in the water seal 3.
  • the water seal structure 2 comprises a supporting ring 4 for further fixing the water seal 3.
  • the tube 20 of the water seal 3 is caved inwardly along its peripheral to form a convex flat 23, and then the supporting ring 4 is blocked on the convex flat 23 such that the supporting ring 4 fix the water seal 3 in the outlet 10 of the detergent supplying device 1.
  • the supporting ring 4 is made of plastic material and includes a crisscross prop 5 for further enhancing the strength of the supporting ring 4.
  • the supporting ring 4 can be a closed supporting ring or a semi-closed supporting ring, and the prop 5 can also be a prop in any other formats.
  • the user puts the clothing to be washed into a rotating cylinder (not shown) of the washing tank, and then fits the detergent into the cavity (not shown) of the detergent supplying device 1. While supplying water, water and the detergent in the detergent supplying device 1 are mixed and then through the outlet 10 of the detergent supplying device 1 supplied to the washing tank via the water pipe 6. At this time, by the lashing force of the detergent fluid, the originally sealed gates in the outlet end 21 of the water seal structure are opened. After water supplying completed, the gates 22 return to its originally sealed position by the elasticity itself so as to seal the outlet end 21 of the water seal structure 2.

Landscapes

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

Abstract

A water seal structure (2) used in a detergent supplying device (1) comprising a water seal (3) consisting of a taper tube (20) and integral gates (22) disposed in an outlet end (21) of the tube, and the tube being connected within the outlet (10) of the detergent supplying device wherein the gates are opened by the flow from the detergent supplying device and seal the outlet end upon the elasticity itself while no water flowing and thereby the foam produced by the washing process and the mist produced by the drying process are avoided flowing back to the detergent supplying device .

Description

WATER SEAL STRUCTURE AND WASHING APPARATUS USING THE SAME
FIELD OF THE INVENTION
The present utility model relates to a water seal structure used in a washing machine or a washing/drying machine and a washing apparatus using the same structure; particularly, relates to a structure for providing a unidirectional detergent flow supplied by a detergent supplying device so as to avoid that the fluid in a washing tank flows into the detergent supplying device in the period of washing or drying.
BACKGROUND OF THE INVENTION
As everyone knows, in the current marketplace, the most of washing machines or washing/drying machines perform washing and drying to the clothing inside the washing tank through steps of washing, rinsing, dehydrating, and heat-drying.
In order to efficiently control the amount of the detergent usage and to be easy for the user to add the detergent, a detergent supplying device is commonly applied to various washing machines or washing/drying machines. Also, it is needed to dispose a water pipe for leading a detergent fluid (a mixture fluid of detergent and water) into the washing tank of a washing machine or a washing/drying machine. However, in the duration of washing, a mass of detergent foam is normally produced in the washing tank and such the detergent foam inevitably flows back to the detergent supplying device via the water pipe. A long-term accumulation of the foam usually results in corrosion to the detergent supplying device and other related parts.
Additionally, in the step of drying of a washing/drying machine, a mass of high-temperature mist also occurs in the washing tank, which simultaneously flows back to the detergent supplying device via the water pipe and thus corrodes the detergent supplying device or causes corrosion and oxidation to other adjacent parts.
To solve the above problems, Germany Patent No. DE 1610199 has provided a blocking structure that blocks the outlet of a detergent supplying device by gravity effect, but this structure is restricted to be used since the outlet of the detergent supplying device is disposed horizontally. If the outlet of the detergent supplying device is disposed vertically, the blocking structure provided by that patent will always be retained in an open state due to the gravity effect, and thus cannot block the outlet of the detergent supplying device. Therefore, the problem that detergent fluid or mist will flow back to the detergent supplying device is still inevitable.
SUMMARY OF THE INVENTION
Therefore, in order to solve the above problem that the detergent fluid and the mist flow back into the detergent supplying device if the outlet of the detergent supplying device is disposed vertically. One of the objects of the present utility model is to provide a water seal structure used in a detergent supplying device. The structure is capable of controlling the detergent fluid provided by the detergent supplying device one-way flowing from a water pipe to a washing tank, and upon the elasticity itself, seals the outlet of the detergent supplying device while no water lashing so as to efficaciously avoid a backflow of the detergent fluid or mist into the detergent supplying device.
Another object of the present utility model is to a washing apparatus using a water seal structure. The washing apparatus comprises a detergent supplying device, a water pipe connecting to an outlet of the detergent supplying device, and a washing tank linking to the water pipe. The water seal structure is disposed within the outlet of the detergent supplying device, and control the detergent fluid one-way flowing from the detergent supplying device to the water pipe.
According to the present utility model, the above object is implemented through a water seal structure used in a detergent supplying device, and the water seal structure comprises a water seal consisting of a taper tube and integral gates disposed in an outlet end of the tube and the tube being connected within the outlet of the detergent supplying device, wherein the gates are opened by the water flow from the detergent supplying device and seal the outlet end while no water flowing.
Preferably, the gates are disposed equally and remain a certain chink between two sealing gates wherein the opposite gates form a "V" shape such that the detergent fluid is allowed to flow to the water pipe and then into the washing tank even a small amount for avoiding remains of the detergent fluid within the detergent supplying device or the tube of the water seal. In addition, preferably, the water seal structure further comprises a supporting ring for supporting the water seal tube. The supporting ring is blocked on a convex flat formed by the tube being caved inwardly along its peripheral and thereby the tube of the water seal is fixed in the outlet of the detergent supplying device.
Preferably, a crisscross prop is disposed inside the supporting ring for enhancing the strength of the supporting ring wherein the supporting ring is made of plastic material.
More preferable, the water seal is made of rubber material with high-elasticity.
BRIEF DESCRIPTION OF THE DRAWING
The following is a further description to the present utility model in view of the figure and the embodiment.
Figure 1 is a sectional drawing of a water seal structure according to the embodiment of the present utility model.
DETAILED DESCRIPTION OF THE INVENTION
As shown in Figure 1 , a detergent supplying device used in a washing machine or washing/drying machine that has several cavities (not shown) for containing various detergents and an outlet 10 for supplying a detergent fluid (the mixture of detergent and water and the water for soak and rinse) to a washing tank (not shown) of a washing machine or a washing/drying machine via a water pipe 6.
According to the present utility model, the water seal structure 2 of the embodiment is disposed in the outlet 10 of the detergent supplying device 1 for controlling the detergent fluid one-way flowing wherein the outlet 10 is disposed in a vertical direction. The water seal structure 2 comprises a water seal 3 that includes a tube 20 and a gates 22 capable of sealing an outlet end 21 of the tube, and the tube 20, along an erect direction, has a certain slope so as to cooperate with the outlet 10 of the detergent supplying device 1 and thereby ensures that the water seal 3 tightly couples with the outlet 10 to avoid the water seal 3 detaching from the outlet 10. The gates 22 of the water seal 3 are averagely disposed on a circumference surface of the outlet end 21 of the tube 20, and can be arranged as two gates opening from opposite directions, or be arranged as three gates, four gates, or several gates that open from opposite directions, which are integrally made of rubber material with high-elasticity as well as the tube 20. While the detergent fluid flows from the outlet 10 of the detergent supplying device 1 , due to the lashing brought by the water flow, the gates 22 of the water seal 22 are opened and then the detergent fluid is permitted to flow into the water pipe 6 through the water seal 3. Further, the detergent fluid is supplying to a washing tank of a washing machine or a washing/drying machine via the water pipe 6, and then a washing to the clothing is done through operations of the washing machine or the washing/drying machine.
After the detergent fluid supplying is completed, the gates 22 of the water seal 3 returns to its original position upon the elasticity itself and thereby seal the outlet end 21 of the water seal 3. While sealing, a certain chink is retained between two sealing gates and the opposite gates form a "V" shape such that it efficaciously ensures that even a small amount of the detergent fluid, it may flow into the water pipe 6 through the chink so as to avoid remains of the detergent fluid in the water seal 3.
Preferably, the water seal structure 2 comprises a supporting ring 4 for further fixing the water seal 3. The tube 20 of the water seal 3 is caved inwardly along its peripheral to form a convex flat 23, and then the supporting ring 4 is blocked on the convex flat 23 such that the supporting ring 4 fix the water seal 3 in the outlet 10 of the detergent supplying device 1. The supporting ring 4 is made of plastic material and includes a crisscross prop 5 for further enhancing the strength of the supporting ring 4. Of course, the supporting ring 4 can be a closed supporting ring or a semi-closed supporting ring, and the prop 5 can also be a prop in any other formats.
An operation to the above structure of the embodiment of the present utility model will be described as followings.
The user puts the clothing to be washed into a rotating cylinder (not shown) of the washing tank, and then fits the detergent into the cavity (not shown) of the detergent supplying device 1. While supplying water, water and the detergent in the detergent supplying device 1 are mixed and then through the outlet 10 of the detergent supplying device 1 supplied to the washing tank via the water pipe 6. At this time, by the lashing force of the detergent fluid, the originally sealed gates in the outlet end 21 of the water seal structure are opened. After water supplying completed, the gates 22 return to its originally sealed position by the elasticity itself so as to seal the outlet end 21 of the water seal structure 2.
Afterward, in the period of washing, rapidly rotating cylinder produces a mass of foam and most of the foam will be directly drained out through a drainage (not shown) of the washing machine or the washing/drying machine. However, a certain mount of the foam still will be pushed back from the rapidly rotating cylinder to the water pipe 6. Since, at this time, the outlet end 21 of the water seal structure 2 is sealed by the gates 22, the foam is incapable of returning to the detergent supplying device 1 , and thereby a damage caused by a backflow of the detergent fluid to the detergent supplying device 1 or other nearby parts can be efficaciously avoided.
In addition, during drying process, a mass of the high-temperature mist occurred in the washing tank also cannot run back to the detergent supplying device 1 due to the seal of the outlet end 21. Even though a small amount of the mist that passes though the chink between the gates 22 and then consequently enters into the detergent supplying device 1 , affection to the detergent supplying device 1 can be ignored. Therefore, similarly, it can be avoided that the high-temperature mist occurred during the drying process of the washing/drying machine oxidizes and corrodes the detergent supplying device 1.

Claims

CLAIM
1. A water seal structure (2) used in a detergent supplying device (1 ), comprising a water seal (3) connecting to a outlet (10) of the detergent supplying device (1) and consisting of a taper tube (20) and integral gates (22) disposed in an outlet end (21) of the tube wherein the gates (22) are opened
by the water flow of the detergent supplying device (1) and seal the outlet end (21) while no water flow.
2. The water seal structure (2) of Claim 1 characterized in that: the gates (22) are disposed equally and remain a certain chink between two sealing gates wherein the opposite gates form a "V" shape.
3. The water seal structure (2) of Claim 1 or 2 characterized in that: the water seal structure (2) further comprises a supporting ring (4), and the tube (20) is caved inwardly along its peripheral so as to form a convex flat (23) for blocking the supporting ring (4).
4. The water seal structure (2) of Claim 3 characterized in that: the supporting ring (4) includes a crisscross prop (5).
5. The water seal structure (2) of Claim 4 characterized in that: the supporting ring (4) is made of plastic material.
6. The water seal structure (2) of Claim 1 or 2 characterized in that: the water seal (3) is made of rubber material with high-elasticity.
7. A washing apparatus using the water seal (2) as claimed in Claim 1 , comprising: a detergent supplying device (1 ) and a water pipe (6) connecting to a outlet (10) of the detergent supplying device (1 ) for leading the detergent fluid into a washing tank of the washing apparatus, and the water seal structure (2) being disposed in the outlet (10) and allowing a unidirectional detergent fluid flowing into the washing tank.
PCT/EP2006/069782 2005-12-20 2006-12-15 Water seal structure and washing apparatus using the same WO2007071628A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2005201399960U CN2900589Y (en) 2005-12-20 2005-12-20 Water seal structure and washing device using said structure
CN200520139996.0 2005-12-20

Publications (1)

Publication Number Publication Date
WO2007071628A1 true WO2007071628A1 (en) 2007-06-28

Family

ID=37882272

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/069782 WO2007071628A1 (en) 2005-12-20 2006-12-15 Water seal structure and washing apparatus using the same

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CN (1) CN2900589Y (en)
WO (1) WO2007071628A1 (en)

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* Cited by examiner, † Cited by third party
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CN107780147A (en) * 2016-08-29 2018-03-09 青岛海尔滚筒洗衣机有限公司 Washing machine anti-spilling structure and roller washing machine
CN107385796B (en) * 2017-07-24 2022-01-21 青岛海尔洗涤电器有限公司 Washing machine putting structure and washing machine with same
CN110396801A (en) * 2018-01-27 2019-11-01 张太平 A kind of foam-resistant spilling washing machine
CN109083986A (en) * 2018-09-06 2018-12-25 三峡大学 It is centrifuged shift speed change mechanism

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68497C (en) * H. PALM in Hamburg-Uhlenhorst, Bleicherstr. 36 Self-closing hose valve
US2962255A (en) * 1957-10-17 1960-11-29 Dole Valve Co Valve for detergent dispenser
US3159176A (en) * 1962-12-07 1964-12-01 Vernay Laboratories Check-relief valve
DE1610199A1 (en) * 1967-12-28 1972-03-23 Siemens Elektrogeraete Gmbh Washing machine used for washing and drying laundry
US4524805A (en) * 1983-07-08 1985-06-25 Hoffman Allan C Normally closed duckbill valve and method of manufacture
EP0582092A1 (en) * 1992-07-13 1994-02-09 Whirlpool Europe B.V. Device for improving detergent feed into the tub of a washing machine, washing-drying machine or the like
US20040163422A1 (en) * 2002-11-28 2004-08-26 Kim Jong Seok Washing machine
EP1561853A1 (en) * 2004-02-06 2005-08-10 Lg Electronics Inc. Structure for blocking outflow of fluid for washing machine
WO2005106101A1 (en) * 2004-04-28 2005-11-10 Arcelik Anonim Sirketi A washer / dryer with a baffle between the detergent box and the tub

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68497C (en) * H. PALM in Hamburg-Uhlenhorst, Bleicherstr. 36 Self-closing hose valve
US2962255A (en) * 1957-10-17 1960-11-29 Dole Valve Co Valve for detergent dispenser
US3159176A (en) * 1962-12-07 1964-12-01 Vernay Laboratories Check-relief valve
DE1610199A1 (en) * 1967-12-28 1972-03-23 Siemens Elektrogeraete Gmbh Washing machine used for washing and drying laundry
US4524805A (en) * 1983-07-08 1985-06-25 Hoffman Allan C Normally closed duckbill valve and method of manufacture
EP0582092A1 (en) * 1992-07-13 1994-02-09 Whirlpool Europe B.V. Device for improving detergent feed into the tub of a washing machine, washing-drying machine or the like
US20040163422A1 (en) * 2002-11-28 2004-08-26 Kim Jong Seok Washing machine
EP1561853A1 (en) * 2004-02-06 2005-08-10 Lg Electronics Inc. Structure for blocking outflow of fluid for washing machine
WO2005106101A1 (en) * 2004-04-28 2005-11-10 Arcelik Anonim Sirketi A washer / dryer with a baffle between the detergent box and the tub

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Publication number Publication date
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