CN114717819A - Door sealing ring and washing and drying machine with same - Google Patents

Door sealing ring and washing and drying machine with same Download PDF

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Publication number
CN114717819A
CN114717819A CN202110001806.2A CN202110001806A CN114717819A CN 114717819 A CN114717819 A CN 114717819A CN 202110001806 A CN202110001806 A CN 202110001806A CN 114717819 A CN114717819 A CN 114717819A
Authority
CN
China
Prior art keywords
channel
air
inlet
drum
wall
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.)
Pending
Application number
CN202110001806.2A
Other languages
Chinese (zh)
Inventor
郭广涛
王永甲
朱玉婷
张瑞
楚权威
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.)
BSH Electrical Appliances Jiangsu Co Ltd
Original Assignee
BSH Electrical Appliances Jiangsu Co Ltd
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 Electrical Appliances Jiangsu Co Ltd filed Critical BSH Electrical Appliances Jiangsu Co Ltd
Priority to CN202110001806.2A priority Critical patent/CN114717819A/en
Priority to PCT/EP2021/084773 priority patent/WO2022144153A1/en
Priority to EP21839017.7A priority patent/EP4271871A1/en
Publication of CN114717819A publication Critical patent/CN114717819A/en
Pending 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/266—Gaskets mounted between tub and casing around the loading opening
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal 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
    • 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 
    • D06F23/02—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 horizontal 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
    • 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 
    • D06F23/06—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 an inclined 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
    • D06F25/00—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 and having further drying means, e.g. using hot air 
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 

Abstract

Embodiments of the present invention include a door gasket for a washer-dryer, comprising a sealing portion and an air inlet portion connected to the sealing portion, wherein the sealing portion forms a first channel for fluid communication, the air inlet portion comprises a second wall surrounding the second channel, and the second channel is in spatial communication with the first channel, and further comprising a guide device for guiding air from the second channel into the first channel, the guide device being at least partially located in a projection of the second channel perpendicular to a direction of air communication. Embodiments of the present invention also include a washer-dryer comprising a cartridge, an air heating channel for providing heated air into the cartridge, and a door seal ring connecting the air heating channel and the cartridge.

Description

Door sealing ring and washing and drying machine with same
[ technical field ] A method for producing a semiconductor device
The invention relates to a washing and drying machine and a door sealing ring thereof, belonging to the technical field of household appliances.
[ background of the invention ]
Washing and drying machines, in particular those with a horizontal or inclined drum, are usually connected between the drum and the cabinet by a door seal, so as to prevent the washing liquid in the drum from entering the gap between the drum and the cabinet. The door seal has a corrugated structure therein to allow for proper displacement of the cartridge relative to the housing. In the washing process, the washing liquid easily enters the fold structure of the door seal ring and is not easy to discharge. Particularly, foam and the like in the washing process are likely to remain therein. Therefore, a fungus membrane is easily formed in the folded structure of the door sealing ring, particularly at the bottom position, and secondary pollution is caused to clothes. And chemical components in the residual washing liquid have long-term corrosion effect on the door sealing ring, so that the service life of the door sealing ring is shortened.
The washing and drying machine generates hot air in the drying procedure to dry clothes in the drum, but because the air in the corrugated structure is lack of flow and has lower temperature compared with the air in the drum, the humidity in the corrugated structure can not be thoroughly improved, and the bred bacteria can not be thoroughly killed.
[ summary of the invention ]
An object of the present invention is to improve the known door seals in such a way that the above-mentioned drawbacks of the door seals when applied in a washing and drying machine are effectively ameliorated.
An embodiment of the invention includes providing a door seal for a washer-dryer, comprising a sealing portion and an air inlet portion connected to the sealing portion, wherein the sealing portion comprises a circumferentially closed first wall having a corrugated structure forming a circumferentially extending groove in which a first channel is formed for fluid communication, the air inlet portion comprises a second wall surrounding a second channel formed, an outlet of the second channel being located on the first wall, and the second channel being in spatial communication with the first channel, and guiding means for guiding a portion of air of the second channel into the first channel, the guiding means being located at least partially in a projection of the second channel perpendicular to a direction of air communication.
Wherein the guiding means is located at least partly in the projection of the second channel perpendicular to the direction of air flow, which may be embodied as the guiding means being located in the flow path of the second channel, or as the guiding means being directed against the outlet of the second channel, so that the air is guided by the second wall directly into the path defined by the guiding means without substantially changing the direction of flow, and then deflected by the guiding action of the guiding means into the first channel. Preferably, at least a part of the guiding means is located in particular in the vicinity of the outlet of the second channel in a projection perpendicular to the direction of air circulation.
When the door seal is applied to the washing and drying machine, air, particularly advantageously heated air, can enter the second channel from the air inlet part, wherein part of the air directly enters the guide area of the guide device in the flow direction when passing through the second channel or after passing through the second channel and is then guided into the first channel, so that the air is effectively shunted into the first channel, thereby ventilating the grooves of the corrugated structure, facilitating the rapid drying of moisture therein and avoiding or reducing the generation of a mycoderm. When high-temperature air enters, the air dryer is favorable for quick drying, and has a sterilization effect to kill the reproduced bacteria.
In some embodiments, the inlet end of the directing means is located within the second channel in the direction of air flow.
In some embodiments, the outlet end of the directing means is adjacent to or connected to the slot in the direction of air flow.
In some embodiments, the guide device and the second wall form a third channel therebetween, an outlet of the third channel being directed toward an inlet of the first channel.
In some embodiments, the air intake portion is adapted to be connected to an air heating passage of a washer-dryer. The air heated in the air heating channel can enter the second channel and the first channel through the air inlet part. The hot air entering the first channel can dry and sterilize the first channel, thereby improving the sanitary performance of the door sealing ring.
In some embodiments, the first wall is adapted to be connected to a drum of a washing and drying machine, an axis of the drum is arranged horizontally or obliquely, and when the door sealing ring is connected to the drum, a bottom of the groove in a vertical direction is provided with a hole communicated with the space in the drum. Thus, air can flow out of the hole after entering the first passage, and then air can continuously enter the first passage to keep circulation, thereby better improving the sanitation condition of the door sealing ring.
An alternative embodiment further comprises that the guiding means is made in one piece with the sealing part and the air inlet part.
An optional embodiment further comprises that the first channel has a first inlet and a second inlet in the circumferential direction, the first inlet and the second inlet are respectively close to two sides of the outlet of the second channel, and the guiding device is respectively arranged near the first inlet and the second inlet. The air enters the first inlet and the second inlet of the first channel from the second channel respectively, flows oppositely in the circumferential direction from two directions, and finally meets head-on. Thus, the air in the first channel flows more strongly, and the sterilizing and drying effects are better. And the two paths of air form violent turbulence at the intersection, and can generate enhanced sterilization and drying effects on the area.
The first wall is suitable for being connected with a drum of a washing and drying machine, the shaft of the drum is arranged horizontally or obliquely, when the door sealing ring is connected with the drum, the bottom of the groove in the vertical direction is provided with a hole communicated with the space in the drum, and the first inlet and the second inlet are positioned at the top of the groove in the vertical direction. The two air streams entering the first passage from the first inlet and the second inlet, respectively, then meet near the orifice, creating a turbulent flow. Generally, the area is a main area for the accumulation of the washing liquid and a main area for the easy generation of the mold because the area is positioned at the bottom of the tank. The opposite-flushing intersected air flow can flush residual washing liquid and has better drying and sterilizing effects. The air flow is converged and at least partially flows out of the holes, so that continuous circumferential air flow is formed in the first channel.
The above embodiments may be combined arbitrarily.
A second object of the present invention is to improve the washing and drying machine to improve the hygienic property of the door seal ring thereof during use and the service life of the door seal ring thereof.
Embodiments of the present invention provide a washer-dryer comprising a drum having an axis that is horizontally or obliquely disposed, an air heating channel providing heated air into the drum, a door seal of any of the above embodiments and any combination thereof connecting the air heating channel with the drum, wherein the air inlet portion is connected with the air heating channel and the sealing portion is connected with the drum.
The air heating channel is internally provided with a heating device and a fan, and the fan enables air to flow to the door sealing ring from the air heating channel after being started.
After the fan is activated, air may enter the intake portion from the air heating passage. And then respectively into the first passage in the corrugated structure of the door gasket and directly into the space circumferentially surrounded by the first wall, which space communicates with the space in the cartridge. The air entering the first channel dries and/or sterilizes the in-slot portion of the first wall before it is combined into the cartridge. So that the residual washing liquid, foam and the like of the door sealing ring can be dried by air after the washing program of the washing and drying machine is finished. If the air is heated by the heating device, the drying effect is better, and the sterilization effect is better.
In some embodiments, the heating device is not started, and only the fan is started to enable air at normal temperature to enter the first channel, so that the drying in the first channel can be accelerated, bacteria are not easy to generate and breed, and the corrosion of chemical substances in the washing liquid to the door sealing ring is also reduced.
Some embodiments of the invention will be illustrated in the following description with reference to the drawings.
[ description of the drawings ]
FIG. 1 is a schematic side view of a washer-dryer of an embodiment;
FIG. 2 is a partial schematic view of a door gasket and an air heating channel according to an embodiment;
FIG. 3 is an axial cross-sectional view of the bottom of the door seal;
FIG. 4 is a partial schematic view of another embodiment of a door seal;
fig. 5 is a schematic view of a projection of the second channel perpendicular to the air flow direction, including a part of the guiding means in this projection.
[ detailed description ] embodiments
As shown in fig. 1, the washing and drying machine 1 includes a cabinet 2 and a drum 3 provided in the cabinet 2. The shaft 30 of the drum 3 is substantially horizontal. In other embodiments, the axis of the barrel may also be obliquely disposed. The drum 3 has a laundry inlet port 31 opened at an end in the axial direction and facing the front of the cabinet 2. The laundry inlet 31 is opposite to the opening 21 of the cabinet 2. The door sealing ring 10 made of elastic material connects the clothes inlet 31 and the opening 21 on the cabinet 2 to prevent the washing liquid from entering the cabinet 2 during the washing process.
A rotatable drum 4 is provided in the drum 3 substantially coaxially with the drum 3. The laundry is subjected to a washing or drying process in the drum 4.
The drum 3 is connected to the air circulation passage 5, thereby forming an air circuit in the drum 3 and the air circulation passage 5. Wherein the air circulation passage 5 includes an air heating passage 51. The air heating passage 51 is provided therein with a heating device 52 and a fan 53. After activating the fan 53 and the heating means 52, the air may be heated and then enter the drum 3. Only by starting the fan 53, air at normal temperature can be supplied into the drum 3.
In other embodiments, such as in-line washers/dryers, not including an air circulation path, but still including an air heating path, heated air may be provided into the drum.
The air heating passage 51 is connected to the door seal 10 and is in fluid communication with the cartridge 3.
As shown in fig. 1 to 3, the door gasket 10 includes a sealing portion 11 and an air inlet portion 12 connected to the sealing portion 11. Wherein the sealing portion 11 connects the laundry inlet port 31 of the drum 3 with the opening 21 of the cabinet 2, and the air intake portion 12 is connected with the air heating passage 51.
The sealing portion 11 comprises a circumferentially closed first wall 111. The first wall 111 has a corrugated configuration so as to form a circumferentially extending groove 112, in which groove 112 a first passage 113 is formed for fluid communication.
The intake section 12 includes a second wall 121. The second wall 121 surrounds and forms a second channel 122. The outlet 123 of the second channel is located on the first wall 111 and the second channel 122 is in spatial communication with the first channel 113.
In the attached state, the first wall 11 connects the laundry inlet port 31 of the drum 3 and the opening 21 of the cabinet 2, the air intake portion 12 is connected to substantially the top portion of the first wall 11 in the vertical direction, and the bottom portion of the groove 112 formed in the first wall 11 in the vertical direction has a hole 114 penetrating the space in the drum 3. Wherein the vertically-oriented bottom of the groove 112 does not refer to a partial bottom of the groove 112 but is a lower position in the entire circumferential direction with respect to the entirety of the groove 112. As shown in fig. 1-3, and particularly in fig. 3, the aperture 114 may be located partially to one side of the slot 112.
The first channel 113 is circumferentially discontinuous and closed, but is open at the outlet 123 of the second channel 122, and has a first inlet 115 and a second inlet 116 on either side adjacent to the outlet 123 of the second channel. The first inlet 115 and the second inlet 116 are separated in the circumferential direction of the groove 112.
Guiding means 13 are provided near the first inlet 115 and the second inlet 116, respectively, to guide part of the air of the second channel 122 into the first channel 113. Then, after the fan 53 is activated, air can enter the air intake portion 12 from the air heating passage 51. The first part a1 of the air flowing through the second passage 122 directly enters the space circumferentially surrounded by the first wall 111, which communicates with the space inside the drum 3, and the second part a2 of the air first enters the first passage 113 and then enters the drum 3 under the guidance of the guide device 13. Wherein the second portion of air a2 enters the first inlet 115 and the second inlet 116 of the first passage 113 from the second passage 122, respectively, flows circumferentially opposite from each other from both directions, and finally meets head-on. Where the location of convergence is generally near the aperture 114. Subsequently, a second part of the air a2 enters the space in the cartridge 3 at least partially through the hole 114, and another part enters the space in the cartridge 3 through the slit of the slot 112. The aeration of the air stream causes rapid drying within the tank 112. If the air from the air heating path 51 is heated by the heating means 52, a better drying and sterilizing effect can be exerted.
As shown in fig. 5, at least a part of the guiding device 13 is located in the projection of the second channel 122 perpendicular to the air flow direction, as seen from the projection of the second channel 122 perpendicular to the air flow direction, in particular as seen from the projection of the portion near the outlet 123 of the second channel perpendicular to the air flow direction. At least a portion of the air guided by the second wall 121 is then directed, without substantial change in the direction of flow, into the path defined by the guide means 13 and is then deflected by the flow-guiding action of the guide means into the first channel 113.
In one embodiment, as shown in fig. 2, the inlet end 131 of the guiding device 13 is located in the second channel 122 in the direction of air flow, and the outlet end 132 of the guiding device 13 is bent towards the first channel 113, close to the slot 112, or may be directly connected to the slot 112. A third channel 133 is formed between the guiding means 13 and the second wall 121. The outlet of the third channel 133 is directed towards the inlets 115, 116 of the first channel 113. A second part a2 of the air flowing through the second passage 122 enters the third passage 133 and is then guided by the guide device 13 to enter the first passage 113.
In another embodiment, as shown in fig. 4, the guiding means 13 is not located in the second channel 122, but is opposite to the outlet 123 of the second channel 122, so that at least a part of the air guided by the second wall 121 can also be directed into the path defined by the guiding means 13 without substantially changing the direction of flow.
A more advantageous embodiment consists in making the guide means 13 integral with the sealing portion 11 and the air intake portion 12, for example by injection moulding from an elastic material.
The various embodiments described above and shown in the drawings are merely illustrative of the invention. Any modification of the present invention by a person of ordinary skill in the related art within the scope of the basic technical idea of the present invention is within the scope of the present invention.

Claims (11)

1. A door gasket for a washer-dryer, comprising a sealing portion (11) and an air inlet portion (12) connected to the sealing portion, wherein the sealing portion comprises a circumferentially closed first wall (111) having a corrugated structure, thereby forming a circumferentially extending groove (112) in which a first channel (113) is formed for fluid communication, the air inlet portion comprises a second wall (121) surrounding a second channel (122), an outlet (123) of the second channel being located in the first wall and the second channel being in spatial communication with the first channel, characterized in that: also included is a guide means (13) for guiding part of the air of the second channel into the first channel, the guide means being located at least partly within the projection of the second channel perpendicular to the direction of air circulation.
2. The dock seal of claim 1, wherein: the guiding means inlet end (131) is located in the second channel in the air flow direction.
3. The dock seal of claim 1, wherein: an outlet end (132) of the directing means is adjacent to or connected to the slot in the direction of air flow.
4. The dock seal of claim 1, wherein: a third channel (133) is formed between the guiding means and the second wall, the outlet of the third channel being directed towards the inlet (115, 116) of the first channel.
5. The dock seal of claim 1, wherein: the air intake portion (12) is adapted to be connected to an air heating passage (51) of the washer-dryer.
6. The dock seal of claim 1, wherein: the first wall (111) is suitable for being connected with a drum (3) of a washing and drying machine, the shaft of the drum is arranged horizontally or obliquely, and when the door sealing ring (10) is connected with the drum, the bottom of the groove in the vertical direction is provided with a hole (114) which is communicated with the space in the drum.
7. The dock seal of claim 1, wherein: the guide means is integrally formed with the sealing portion and the air intake portion.
8. The dock seal of claim 1, wherein: the first channel (113) is provided with a first inlet (115) and a second inlet (116) in the circumferential direction, the first inlet and the second inlet are respectively close to two sides of the second channel outlet (123), and the guiding devices (13) are respectively arranged near the first inlet and the second inlet.
9. The door seal of claim 8, wherein: the first wall is suitable for being connected with a drum of a washing and drying machine, the shaft of the drum is arranged horizontally or obliquely, when the door sealing ring is connected with the drum, the bottom of the groove in the vertical direction is provided with a hole communicated with the space in the drum, and the first inlet and the second inlet are positioned at the top of the groove in the vertical direction.
10. A washer-dryer comprising a drum, the axis of which is arranged horizontally or obliquely, an air heating channel supplying heated air into the drum, characterized in that: the dock seal (10) of any of claims 1 to 9 connecting the air heating channel with the cartridge, wherein the air intake portion is connected with the air heating channel and the sealing portion is connected with the cartridge.
11. The washer-dryer according to claim 10, wherein: the air heating channel (51) is internally provided with a heating device (52) and a fan (53), and the fan enables air to flow to the door sealing ring (10) from the air heating channel after being started.
CN202110001806.2A 2021-01-04 2021-01-04 Door sealing ring and washing and drying machine with same Pending CN114717819A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202110001806.2A CN114717819A (en) 2021-01-04 2021-01-04 Door sealing ring and washing and drying machine with same
PCT/EP2021/084773 WO2022144153A1 (en) 2021-01-04 2021-12-08 Door sealing ring and washing and drying machine having same
EP21839017.7A EP4271871A1 (en) 2021-01-04 2021-12-08 Door sealing ring and washing and drying machine having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110001806.2A CN114717819A (en) 2021-01-04 2021-01-04 Door sealing ring and washing and drying machine with same

Publications (1)

Publication Number Publication Date
CN114717819A true CN114717819A (en) 2022-07-08

Family

ID=79270425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110001806.2A Pending CN114717819A (en) 2021-01-04 2021-01-04 Door sealing ring and washing and drying machine with same

Country Status (3)

Country Link
EP (1) EP4271871A1 (en)
CN (1) CN114717819A (en)
WO (1) WO2022144153A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101016307B1 (en) * 2004-02-13 2011-02-22 엘지전자 주식회사 Gasket of drum washer
CN106283486B (en) * 2015-05-18 2020-07-14 博西华电器（江苏）有限公司 Clothes care machine and mildew-proof control method thereof
CN109306597B (en) * 2017-07-26 2022-04-08 青岛海尔洗涤电器有限公司 Drying method and structure of clothes treatment device and clothes treatment device
CN109837709B (en) * 2017-11-24 2022-08-02 青岛海尔洗涤电器有限公司 Drum washing machine

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Publication number Publication date
WO2022144153A1 (en) 2022-07-07
EP4271871A1 (en) 2023-11-08

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