CN103249887B - Sealing collar for a washing machine - Google Patents
Sealing collar for a washing machine Download PDFInfo
- Publication number
- CN103249887B CN103249887B CN201180058950.4A CN201180058950A CN103249887B CN 103249887 B CN103249887 B CN 103249887B CN 201180058950 A CN201180058950 A CN 201180058950A CN 103249887 B CN103249887 B CN 103249887B
- Authority
- CN
- China
- Prior art keywords
- section
- sealing ring
- door
- washing machine
- lip seals
- 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.)
- Expired - Fee Related
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to a sealing collar (1) for a washing machine, which is essentially embodied in a hollow-cylindrical manner and is provided on the periphery thereof to surround a loading and unloading opening (2) of the washing machine, and is also designed to be fixed by means of a first end (3) to a front housing wall (4) of the washing machine. As a result the loading and unloading opening (2) can be closed by means of a pivotable porthole shaped door (16), and a lip seal (19) is disposed in the region of the first end (3) on an inner covering of the sealing collar (1) which rests, when the door (16) is closed, in a sealing manner on the outer covering surface (21). Said sealing collar (1) can also be fixed on the second end thereof (5) to the lye container and comprises a first section (22) which is oriented radially inwards and on which a second section (23) which extends essentially in the axial direction of the sealing collar (1) and in the direction of the second end thereof (5), can be fixed. Catching of wash items between the lip seal (19) and the outer covering surface (21) of the door (16) are prevented as both sections (22 and 23) of the lip seal (19) are configured in such a manner that, when the door (16) is in the closed state, one region of the first section (22) rests flat on the outer cover surface (21) thereof, whilst the second section (23) is at an angle with respect to the first section (22), and extends towards an inner cover surface (24) of the sealing collar (1) and in the direction of the second end (5) thereof.
Description
Technical field
The present invention relates to a kind of sealing ring for washing machine, described sealing ring is constructed to the cylindrical shape of hollow substantially, and be provided on the periphery thereof around the loading and unloading mouth of washing machine, and described sealing ring directly or indirectly can be fixed to the fore shell body wall of washing machine by means of its first end, described loading and unloading mouth can be closed by the door of pivotable side of a ship window shape, wherein, lip seals is arranged in sealing ring in covering part in the region of first end, and leans against in a sealing manner when the door closes on the outer covering surfaces of door; Sealing ring can be fixed on bucket at its second end place, and lip seals can have the first section, described first section radially inwardly points to and adjoins with at least one second section, and described second section extends along the axial direction of sealing ring and towards the second end of sealing ring substantially.
Background technology
Washing machine is mainly constructed to front load mode, that is washing articles can be loaded onto cylinder or from cylinder for washing or centrifugal dehydration rotation object and remove before washing machine, for this reason, washing machine has loading and unloading mouth in its fore shell body wall, and the sealing ring extended along the direction rotating the cylinder of object for washing or centrifugal dehydration is outstanding from described loading and unloading mouth.Sealing circle is constructed to the cylinder of hollow usually, there is the region of implementing in the mode of corrugated part, described region is for compensating the movement of the bucket be connected with the other end of sealing ring, and the space between described sealing ring bridge joint load port and the opening arranged in bucket.Sealing ring is fixed in the fringe region of the opening arranged in bucket, and is provided with sealing alar part at this second end place, and described sealing alar part interacts with for the edge washed or centrifugal dehydration rotates the load port of the cylinder of object.Described alar part intention prevents washing articles when washing machine loads or the inside leaving cylinder or leave sealing ring in washing or centrifugal dehydration rotation process process enters in bucket.In washing or centrifugal dehydration rotation process process, front load port is closed by the door of pivotable side of a ship window shape, and described gate open is often made up of glass and is usually had into the external form exterior feature of frusto-conical.When the door closes, become the external form of frusto-conical exterior feature to enter in the inside of sealing ring with its minimum diameter, in this process, the lip seals given prominence to from sealing ring leans against the outer covering part of the door of frusto-conical in a sealing manner.
The sealing ring of the type mentioned in foreword is known from publication DE102006017954B4.The front panel of washing machine is provided with crimping in its edge around load port herein, and sealing ring engages with the curled portion correspondingly constructed on described crimping.At this first end place, sealing ring has the lip seals extended with the angle of about 100 ° relative to columnar covering surfaces.When the door of side of a ship window shape of the external form exterior feature with frusto-conical is closed, it is along the direction pushing sealing lip of the second end of sealing ring, and sealing lip leans against on the periphery of the covering surfaces of door in a sealing manner.The configuration of the sealing between sealing ring and the neighboring of door means, in the rotary course of laundry wheel, particularly little washing articles moves in the region of lip seals relatively continually, and is stuck between this region and covering surfaces of door.Now, these washing articles are not cleaned fully, and in they do not participate in subsequently yet centrifugal dehydration rotation process, thus they are wetter than remaining clothing.Large washing articles also can be passed through below lip seals, and when blocking due to they be loaded after cleaning-drum rotary motion twisting and roll and damage.The problem occurred relatively continually also has, and the jammed washing clothes of sealing lip damages, so no longer can fulfil its sealing function.
A kind of sealing ring of washing machine is also known from DE102006054103B3, and it has the first end of the fore shell body wall for being fixed to washing machine and the second end for attachment of bucket.Sealing ring is also provided with lip seals at its first end place, and when the door of side of a ship window shape is closed, described lip seals leans against on the outer covering surfaces of described door.Lip seals has the first section herein, and described first section radially inwardly points to and adjoins with at least one second section, and described second section extends along the axial direction of sealing ring and towards the second end of sealing ring substantially.
Summary of the invention
The object of the invention is to provide a kind of sealing between above-mentioned sealing ring and door, described in be sealed in the operating process of washing machine and reliably prevent washing articles to be stuck and damaged and prevent sealing damaged.
This object realizes based on the preceding sections of independent claims and the characteristic of independent claims.Dependent claims proposes useful improvement of the present invention respectively.
According to the characteristic of independent claims, two sections of lip seals are configured to: when door is in closed condition, a region of the first section leans against on the outer covering surfaces of door smoothly, and the second section tilts relative to the first section, and extend towards covering part in sealing ring and towards the direction of the second end of sealing ring.
The prolongation of lip seals of the present invention prevents blocking below sealing lip.Rotated object by the cylinder rotated for washing or centrifugal dehydration and be outwards transported to washing articles in this region by the washing articles held in cylinder and caught by the second section extended towards covering surfaces in sealing ring, thus can not move in the sealing area of lip seals.This prevent the damage to washing articles and lip seals.Because these washing articles of being caught by the second section of lip seals are not stuck, therefore they get back in cylinder for washing or centrifugal dehydration rotation object; That is, they still participate in washing operation and centrifugal dehydration rotation process subsequently.When along vertical section by lip seals, the type that the second section axially extended also can have V-arrangement is wide, wherein, alar part extends along the direction of covering surfaces in sealing ring, and another alar part extends along the direction of the outer covering surfaces of door.
When the second section has bending type exterior feature, be useful especially for sealing ring relative to the sealing of door and to catching of the washing articles moved in this region.This makes it possible to effectively prevent washing articles from entering into sealing area.Being usually configured to very resilient second section and can changing shape to catch and to push back washing articles of lip seals, therefore performs pivoting action in the region that it extends obliquely relative to the first section.Second section of lip seals can be constructed such that it is more soft than the first section valuably.
In improving at one of the present invention, lip seals will be configured to: in the region of the smooth contact site of the first section and on whole second section of lip seals, have substantially the same wall thickness.This makes to manufacture lip seals in single injection operation in the process manufacturing sealing ring.Certainly, also the second sector architecture of lip seals can be become have thinner wall compared with the first section alternatively, this region can be implemented to especially flexible, thus improve catching or pushing back effect of washing articles.
Finally, sealing ring interior covering part, the first section radially inwardly pointed to and will the space of annular hollow be crossed towards the second section that interior covering part extends.The elasticity of the second section is configured as preventing washing articles from blocking and makes them turn back to washing operation and centrifugal dehydration rotation process subsequently provides extraordinary condition.
The present invention is not limited to the combination of the feature of set forth independent claims and dependent claims.Also can by each feature manifested from claim and following exemplary embodiment or directly explanation with reference to the accompanying drawings combine.Be not intended to limit the protection domain of claim with reference to the claim of accompanying drawing by use Reference numeral.
Accompanying drawing explanation
Useful exemplary embodiment in addition of the present invention is described in greater detail below by reference to accompanying drawing, in the accompanying drawings:
Fig. 1 shows the local longtitudinal view of the door of side of a ship window shape by washing machine and the upper area of sealing ring, and
Fig. 2 shows the enlarged drawing substantially leaned against at it according to the sealing ring of Fig. 1 structure in the region of the lip seals on the outer covering surfaces of door.
Detailed description of the invention
In FIG, the columnar sealing ring of general hollow represented with Reference numeral 1 radially surrounds loading and unloading mouth 2.Herein, sealing ring 1 is fixed to the fore shell body wall 4 of washing machine at first end 3 place, and at the second end 5, place is fixed to bucket 6.For this reason, fore shell body wall 4 has crimping 7, and the first periphery curled portion 8 encloses described crimping 7 and engages.It is wide that sealing ring 1 has columnar type in neighboring region, and be finally transited into corrugated part 9.
Mean with this configuration of the mode of corrugated part 9, sealing ring 1 is implemented to enough flexible and makes it can compensate the movement produced relative to fore shell body wall 4 with bucket during a large amount of clothing 6 in washing operation or centrifugal dehydration rotation process process.Finally, volume Two pars convoluta 11 is arranged on the second end 5 place of sealing ring 1, sealing ring 1 to be fixed to the periphery edge 10 and 12 of bucket 6.
Cleaning-drum 13 is arranged in bucket 6, and described cleaning-drum 13 loads from end face, rotates in washing operation or centrifugal dehydration rotation process process, and performs the function of the cylinder being used for centrifugal dehydration object in centrifugal dehydration spin cycle.The sealing alar part 14 extended along the longitudinal direction of this layout extends from volume Two pars convoluta 11, and extends to the crimped edge 15 of cleaning-drum 13.This be in order to prevent from being present in the inside of cleaning-drum 13 or by sealing ring around region in little washing articles enter in the region of the bucket 6 outside cleaning-drum 13.
The door 16(that washing machine shown in Fig. 1 also has side of a ship window shape is not shown specifically), described door 16 is pivotally hinged to fore shell body wall 4 in side by hinge, and can lock relative to fore shell body wall 4 on its opposition side.Door 16 is preferably made up of transparent glass.Door 16 has the covering part 17 and circular bottom 18 that extend in the mode of frustum of a cone.Lip seals 19 is arranged on first end 3 place of sealing ring 1, and this also can find out in FIG.This lip seals 19 radially direction is given prominence to from first volume pars convoluta 8 essentially towards interior, and is leaned against on the outer covering surfaces 21 of door 16 by smooth annular contact portion 20 in a sealing manner when door is closed.
The second section 23 tilted relative to the first section 22 is given prominence to from described first section 22 of lip seals 19.This second section 23 is also constructed in bending mode, and it to be extended and then parallel with it towards covering surfaces 24 in sealing ring 1.This configuration of lip seals 19 means, it has crossed the space of annular hollow relative to covering surfaces 24 in sealing ring 1.
This embodiment of the configuration of sealing ring 1 in the region of its first end 3 and lip seals 19 is clearly shown that in fig. 2.Therefore, the identical Reference numeral in Fig. 1 is used to the element of the correspondence in Fig. 2.
As has been elaborated, the lip seals 19 shown in Fig. 1 and Fig. 2 is provided with second section 23 with bending type exterior feature, and described second section 23 stops at covering surfaces 24 place in sealing ring 1.In this condition, the shape of lip seals 19 is changed by door 16.But, when door 16 opens wide, the first section 22 of lip seals 19 radially direction or extend obliquely substantially, and the second section 23 of lip seals 19 is separated with covering surfaces 24 in sealing ring 1.When door 16 is closed, what lip seals 19 should fulfil it certainly comprises the sealing inside of sealing ring 1 and the function of the inside of cleaning-drum 13 and bucket 6.
For this reason, lip seals 19 is leaned against on the outer covering surfaces 21 of glass door in a sealing manner by its contact site 20.If lip seals stops at this some place, washing articles may block in washing operation between contact site 20 and outer covering surfaces 21, thus make described washing articles no longer can participate in actual washing operation, by damaged, and finally also the sealing of the correspondence by means of lip seals 19 of door 16 will be damaged.But according to the present invention, lip seals is provided with the second section 23, described second section 23 is given prominence to from the first section 22, and prevents washing articles to move in sealing area, namely contact site 20 due to its type exterior feature.Therefore, by the configuration of lip seals 19 of the present invention, this problem can effectively be eliminated.Mean corresponding the blocking of the smooth contact site 20 of the actual sealing area of lip seals 19, namely lip seals 19, washing articles no longer can enter wherein.This advantage realizes by the simple measure of structure, and is suitable for extensive manufacture.
Reference numerals list
1 sealing ring
2 loading and unloading mouths
The first end of 31
4 housing walls
The second end of 51
6 barrels
Crimping on 74
8 first volume pars convolutas
9 corrugated parts
The periphery edge of 10 6
11 volume Two pars convolutas
The periphery edge of 12 6
13 cleaning-drums
14 sealing alar parts
15 crimped edge
16
17 covering parts
Bottom 18
19 lip seals
20 19 contact sites on 21
The outer covering surfaces of 21 17
First section of 22 19
Second section of 23 19
The interior covering surfaces of 24 1
The space of 25 annular hollows
Claims (5)
1. the sealing ring for washing machine (1), described sealing ring is constructed to hollow cylindrical substantially, and be provided on the periphery thereof around the loading and unloading mouth (2) of washing machine, and the fore shell body wall (4) of washing machine is fixed to by means of the first end (3) of described sealing ring (1), described loading and unloading mouth (2) can be closed by the door (16) of pivotable side of a ship window shape, wherein, lip seals (19) is arranged in the interior covering part of sealing ring (1) in the region of first end (3), and lean against on the outer covering surfaces (21) of door (16) in a sealing manner when door (16) is closed, sealing ring (1) can be fixed to bucket (6) at its second end (5) place, and lip seals (19) has the first section (22), described first section (22) is radially inwardly pointed to and is adjoined with at least one second section (23), described second section (23) extends along the axial direction of sealing ring (1) and towards the direction of the second end (5) of sealing ring (1) substantially, it is characterized in that, described two sections (22 and 23) of lip seals (19) are configured to: when door (16) is in closed condition, a region of the first section (22) leans against on the outer covering surfaces (21) of door (16) smoothly, and the second section (23) tilts relative to the first section (22), and towards the interior covering surfaces (24) of sealing ring (1) and direction towards the second end (5) of sealing ring (1) extend.
2. sealing ring as claimed in claim 1, it is characterized in that, described second section (23) has flexure type exterior feature when viewed in cross-section.
3. sealing ring as claimed in claim 1, it is characterized in that, described lip seals (19) is configured to: on its whole second section (23) of the region of the smooth contact site (20) of its first section (22) neutralization, have substantially the same wall thickness.
4. sealing ring as claimed in claim 1, it is characterized in that, the interior covering surfaces (24) of sealing ring (1), radially inside the first section (22) pointed to and the space (25) crossing annular hollow towards the second section (23) that interior covering surfaces (24) extends.
5. sealing ring as claimed in claim 1, is characterized in that, described second section (23) is configured to more soft than described first section (22).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010062590.6A DE102010062590B4 (en) | 2010-12-08 | 2010-12-08 | Sealing collar for a washing machine |
| DE102010062590.6 | 2010-12-08 | ||
| PCT/EP2011/071624 WO2012076410A2 (en) | 2010-12-08 | 2011-12-02 | Sealing collar for a washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103249887A CN103249887A (en) | 2013-08-14 |
| CN103249887B true CN103249887B (en) | 2015-03-25 |
Family
ID=45315749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180058950.4A Expired - Fee Related CN103249887B (en) | 2010-12-08 | 2011-12-02 | Sealing collar for a washing machine |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2649230B1 (en) |
| CN (1) | CN103249887B (en) |
| DE (1) | DE102010062590B4 (en) |
| PL (1) | PL2649230T3 (en) |
| RU (1) | RU2546425C2 (en) |
| WO (1) | WO2012076410A2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015204327A1 (en) * | 2015-03-11 | 2016-09-15 | BSH Hausgeräte GmbH | Household appliance for the care of laundry with a specially designed gasket |
| WO2016153384A1 (en) * | 2015-03-20 | 2016-09-29 | Николай Викторович РЫБАКОВ | Device for protecting water hoses |
| CN106468006A (en) * | 2015-08-21 | 2017-03-01 | 青岛海尔滚筒洗衣机有限公司 | A kind of window pad disconnecting prevention structure and washing machine |
| DE102015216363A1 (en) * | 2015-08-27 | 2017-03-02 | BSH Hausgeräte GmbH | Washing machine with door area to prevent laundry damage |
| CN108866939B (en) * | 2017-05-09 | 2021-10-26 | 佛山海尔滚筒洗衣机有限公司 | Drum washing machine |
| CN109082852A (en) * | 2017-06-14 | 2018-12-25 | 青岛海尔滚筒洗衣机有限公司 | A kind of observation window pad disconnecting prevention structure and roller washing machine |
| DE102018204716A1 (en) * | 2018-03-28 | 2019-10-02 | BSH Hausgeräte GmbH | Cuff and laundry treatment device |
| CN111088656B (en) * | 2018-10-23 | 2021-12-17 | 青岛海尔洗涤电器有限公司 | Drum washing machine |
| US11306428B2 (en) * | 2019-02-01 | 2022-04-19 | Lg Electronics Inc. | Laundry treating apparatus |
| CN115012181B (en) * | 2022-05-19 | 2023-11-28 | 无锡小天鹅电器有限公司 | Door seal device and clothes treatment equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002000988A1 (en) * | 2000-06-27 | 2002-01-03 | BSH Bosch und Siemens Hausgeräte GmbH | Sealing collar |
| CN1439066A (en) * | 2000-06-27 | 2003-08-27 | Bsh博施及西门子家用器具有限公司 | Sealing device |
| CN1458991A (en) * | 2000-09-16 | 2003-11-26 | 戴森有限公司 | Laundry appliance |
| EP1923498A2 (en) * | 2006-11-15 | 2008-05-21 | Miele & Cie. KG | Frontloading washing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100484839B1 (en) * | 2002-11-29 | 2005-04-22 | 엘지전자 주식회사 | tilted drum washer |
| KR200395273Y1 (en) | 2005-04-16 | 2005-09-08 | 엘지전자 주식회사 | Front part structure of washing machine |
-
2010
- 2010-12-08 DE DE102010062590.6A patent/DE102010062590B4/en not_active Expired - Fee Related
-
2011
- 2011-12-02 RU RU2013129292/12A patent/RU2546425C2/en not_active IP Right Cessation
- 2011-12-02 PL PL11794084T patent/PL2649230T3/en unknown
- 2011-12-02 EP EP11794084.1A patent/EP2649230B1/en not_active Not-in-force
- 2011-12-02 WO PCT/EP2011/071624 patent/WO2012076410A2/en active Application Filing
- 2011-12-02 CN CN201180058950.4A patent/CN103249887B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002000988A1 (en) * | 2000-06-27 | 2002-01-03 | BSH Bosch und Siemens Hausgeräte GmbH | Sealing collar |
| CN1439066A (en) * | 2000-06-27 | 2003-08-27 | Bsh博施及西门子家用器具有限公司 | Sealing device |
| CN1458991A (en) * | 2000-09-16 | 2003-11-26 | 戴森有限公司 | Laundry appliance |
| EP1923498A2 (en) * | 2006-11-15 | 2008-05-21 | Miele & Cie. KG | Frontloading washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103249887A (en) | 2013-08-14 |
| DE102010062590B4 (en) | 2018-08-30 |
| WO2012076410A2 (en) | 2012-06-14 |
| EP2649230B1 (en) | 2014-10-08 |
| WO2012076410A3 (en) | 2012-08-09 |
| EP2649230A2 (en) | 2013-10-16 |
| PL2649230T3 (en) | 2015-03-31 |
| DE102010062590A1 (en) | 2012-06-14 |
| RU2013129292A (en) | 2015-01-20 |
| RU2546425C2 (en) | 2015-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BSH HOME APPLIANCES CO., LTD. Free format text: FORMER NAME: BOSCH UND SIEMENS HAUSGERATE GMBH |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: BSH Household Electrical Appliance Co., Ltd Address before: Munich, Germany Patentee before: BSH Bosch and Siemens Household Appliances Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20201202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |