CN102251373B - A kind of protection structure of minitype buoyancy washing machine - Google Patents
A kind of protection structure of minitype buoyancy washing machine Download PDFInfo
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- CN102251373B CN102251373B CN201110067214.7A CN201110067214A CN102251373B CN 102251373 B CN102251373 B CN 102251373B CN 201110067214 A CN201110067214 A CN 201110067214A CN 102251373 B CN102251373 B CN 102251373B
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- buoyancy
- washing machine
- isolation bar
- drive shaft
- minitype
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Abstract
The present invention discloses the protection structure of a kind of minitype buoyancy washing machine; relate to washing machine field; being provided with internal buoyancy room in described buoyancy chamber, described bearing block contacts one side and is provided with the protection set being connected with impeller drive shaft with outer barrel, and it is indoor that protection set and the junction of impeller drive shaft extend to internal buoyancy.The present invention arranges isolation bar in the inner concave gear surrounding of washing machine arrangement of clutch; utilize the feature that the annular seal space of internal buoyancy room is higher than buoyancy chamber's annular seal space that interior bucket sidewall is formed; protection set is made to be positioned at above water level with the junction of impeller drive shaft; avoid washings to affect sealing effectiveness and reduce the life-span of outside framework oil seal in junction entrance protection set; the most also protect the impeller drive shaft above protection set and between bottom of the barrel and avoid stuck foreign matter; this programme simple in construction; extend the service life of buoyancy washing machine, decrease the generation of fault.
Description
Technical field
The present invention relates to washing machine field, the outer barrel being specifically related to a kind of small/micro floatage-type rotary drum washing machine seals the protection structure of the impeller drive shaft between position and clutch.
Background technology
Having a class washing machine in the prior art is buoyancy washing machine, during the work of this type of washing machine, the lifting of interior bucket is controlled by buoyancy of water, therefore washing amount is less, only it is useful on some small/micro washing machines, the structure of buoyancy washing machine is as follows: the bottom of the barrel at buoyancy washing machine has a buoyancy chamber, by closing bearing holder (housing, cover) in impeller drive shaft in the middle of bottom of the barrel, the arrangement of clutch of buoyancy washing machine is sealed the inner concave gear of bearing periphery by being arranged on, the evagination gear composition being arranged between outer barrel and interior bucket in impeller drive shaft, when drying or not using, inner concave gear engages with outer convex gear, when washing water filling, the buoyancy chamber of interior bucket can form an annular seal space closed, thus promote inner concave gear and outer convex gear separately, interior bucket is made to increase along impeller drive shaft, then washing is started.The arrangement of clutch of a kind of washing machine as disclosed in Patent No. CN98221706.4, arrangement of clutch is made up of inner concave gear and evagination gear, washing tub utilizes air chamber can move in impeller drive shaft under buoyancy of water, when laundry, washing tub is floated up under the effect of water by air chamber, the inner concave gear bottom washing tub is made to depart from the outer convex gear on main shaft, motor only drives impeller to wash, and when dehydration, the inner concave gear on washing tub engages with the outer convex gear on main shaft and rotates together with impeller.It is generally provided with outside framework oil seal with outer barrel or bearing block junction, to ensure to seal and lubricant effect in impeller drive shaft.Due to the various spots contained in medicated clothing and granule, along with cleaning can be dissolved in washings, these impurity can adhere to the junction of outside framework oil seal and impeller drive shaft, affects the using effect of outside framework oil seal, reduces the service life of outside framework oil seal simultaneously.Additionally when impurity adheres in the impeller drive shaft between inner concave gear and outer convex gear, also can affect the lifting in impeller drive shaft of the interior bucket.
nullIn the patent application of the applicant CN201010243465.1，Disclose a kind of buoyancy-type washing machine，Wherein at outer barrel bottom, bearing block is installed，Bearing block one side contacts with motor，Another side is fixed on outer barrel bottom，Bearing block is connected with impeller drive shaft，Outside framework oil seal is set in junction simultaneously，For adding strong ties effect and protection outside framework oil seal，The protection set of extended one on bearing block，Including the connection end of outside framework oil seal and impeller drive shaft is protected，Although this mode serves protective effect to a certain extent，But owing to interior bucket needs buoyancy of water to rise，Washings height at outer barrel bottom can be higher than the height of protection set，Impurity still can enter from the space between protection set and impeller drive shaft，And the impeller drive shaft between concave gear and outer convex gear does not takes the effective measures that prevent impurity from adhering to yet.
Summary of the invention
The problem hindering and reducing the outside framework oil seal life-span is caused for solving the washings internal bucket lifting of buoyancy washing machine in prior art, the present invention provide a kind of simple in construction and do not affect interior bucket buoyancy effects outside framework oil seal and arrangement of clutch between the protection structure of impeller drive shaft, concrete scheme is as follows, a kind of protection structure of minitype buoyancy washing machine, described buoyancy washing machine includes the buoyancy chamber that bottom of the barrel sidewall is formed, it is arranged on the inner concave gear at interior bucket outer bottom axis hole, it is arranged on the outer convex gear in impeller drive shaft between the inner barrel and outer barrel, it is arranged on the bearing block of outer barrel outer bottom, it is characterized in that, internal buoyancy room it is provided with in described buoyancy chamber, described bearing block contacts one side and is provided with the protection set being connected with impeller drive shaft with outer barrel, it is indoor that protection set and the junction of impeller drive shaft extend to internal buoyancy.
Another preferred version of the present invention: described internal buoyancy room is made up of the isolation bar with bottom of the barrel one, and isolation bar is arranged on inner concave gear surrounding, and internal buoyancy room forms an annular seal space after washing machine water filling.
Another preferred version of the present invention: described internal buoyancy room is by being arranged on inner concave gear surrounding and constituting with inner concave gear isolation bar integrally.
Another preferred version of the present invention: the periphery of described isolation bar is provided with and the cage ring of bottom of the barrel one, and the interior bucket between isolation bar and cage ring is provided with permeable hole.
Another preferred version of the present invention: be provided with hollow water-permeable pipe on the medial surface of described isolation bar or lateral surface, water-permeable pipe contacts one end with interior bucket and communicates inside interior bucket.
Another preferred version of the present invention: described isolation bar be furnished with differing heights and as isolation bar caliber the pipeline of shape size, isolation bar use be spirally connected, clamping or inserting mode are connected with seal for pipe joints.
Another preferred version of the present invention: described protection set and impeller drive shaft contact position are provided with outside framework oil seal.
Another preferred version of the present invention: the height of described isolation bar is more than the height of interior bucket sidewall.
The present invention arranges isolation bar in the inner concave gear surrounding of washing machine arrangement of clutch, form an internal buoyancy room, utilize the feature that the annular seal space of internal buoyancy room is higher than buoyancy chamber's annular seal space that interior bucket sidewall is formed, the protection set of bearing block is included, protection set is made to be positioned at above water level with the junction of impeller drive shaft, avoid washings to affect sealing effectiveness and reduce the life-span of outside framework oil seal in junction entrance protection set, the most also protect the impeller drive shaft above protection set and between bottom of the barrel and avoid stuck foreign matter, make interior bucket up and down unaffected along impeller drive shaft when buoyancy.Isolation bar uses different mounting means, i.e. can also be with inner concave gear one with interior bucket one, and the measure that interior bucket one can reduce seal aspect, integrally make to install more flexible with inner concave gear.Utilize the pipeline increasing different length, the height of internal buoyancy room can be adjusted, to adapt to the needs of different washing machine.Cage ring and isolation bar is used to form the circulation duct of permeable hole, it can be avoided that the annular seal space of buoyancy chamber is affected, utilize the setting of the water-permeable pipe more convenient control permeable hole of energy, the washings making interior bucket preferably circulate, as permeable hole can be arranged on other position of bottom of the barrel, it is only necessary to install corresponding water-permeable pipe.This programme, also by the height of suitably adjustment isolation bar, controls the height of internal buoyancy room middle water level, so that the outside framework oil seal of differing heights can be higher than the water surface, this programme simple in construction, extends the service life of buoyancy washing machine, decrease the generation of fault.
Accompanying drawing explanation
Small/micro buoyancy-type washing machine structural representation involved in the present invention for Fig. 1.
The interior bucket perspective view of Fig. 2 present invention.
The interior bucket sectional view of Fig. 3 present invention.
The bottom of the barrel upward view of Fig. 4 present invention.
The bearing block structure schematic diagram of Fig. 5 present invention.
Detailed description of the invention
As shown in Figure 1, the small buoyancy-type washing machine that this programme relates to includes interior bucket 1, outer barrel 2, impeller drive shaft 3 is connected with the impeller in interior bucket after the axis hole bottom outer barrel and inner barr, the buoyancy chamber 12 being made up of sidewall in the bottom of interior bucket, such as Fig. 1, shown in 5, bearing block 8 is installed bottom outer barrel 2, bearing block 8 one side contacts with motor 9, another side is fixed on bottom outer barrel 2, bearing block contacts one side and is provided with the cylindrical protective set 7 of protrusion with outer barrel, it is integrated making with bearing block bottom protection set, the axis hole passed for impeller drive shaft is arranged at the top of protection set, protection set enters in outer barrel through the axis hole of outer barrel bottom, after bearing block is fixed to outer barrel bottom, protection set is connected for waterproof sealing between outer barrel axis hole.Impeller drive shaft 3 one end enters in bearing block 8 through the axis hole on protection set 7 tops; motor shaft docks in bearing block with impeller drive shaft; in protection set, top is provided with outside framework oil seal 6 with impeller drive shaft contact position; for the axis hole of protection set is sealed; the outer convex gear 5 of arrangement of clutch is installed in the impeller drive shaft 3 of side on the protective sleeve; certain distance is had with the top of protection set; after bearing block is fixing; the inner bottom of protection set top distance outer barrel also keeps certain height, and the inner concave gear of arrangement of clutch is arranged on around bottom of the barrel axis hole.
Embodiment one:
As shown in Figure 2,3, 4, in present invention buoyancy chamber 12 bottom interior bucket 1, inner concave gear 4 be arranged around a circle cage ring 10, isolation bar 11 is set in cage ring 10, isolation bar 11 and cage ring 10 are integral type structure with interior bucket, arrange between the two and run through the permeable hole 13 bottom interior bucket 2, the exchange of permeable hole 13 washings in time doing washing and circulation.Isolation bar 11 forms a sealing chamber around inner concave gear 4, and this sealing chamber forms an internal buoyancy room sealed with impeller drive shaft 3 after interior bucket 1 is connected, and internally the floating of bucket produces buoyancy together with the buoyancy chamber 12 that inner barrel wall and isolation circle are formed.Internal buoyancy room can form an annular seal space after washing machine water filling; it is further up that annular seal space is prevented from washings; for preventing washings from being entered in outside framework oil seal by the top protecting set; therefore the height of least top to be made protecting set is positioned at the annular seal space of internal buoyancy room; to stop the impeller drive shaft 3 between washings and outer convex gear and inner concave gear and the tip contact of protection set; this prevents impurity contained in washings adhere in impeller drive shaft and enter in protection set, it is ensured that the service life lifting and extending outside framework oil seal smoothly of interior bucket.
Embodiment two:
On the basis of embodiment one, isolation bar and inner concave gear are arranged to one, when inner concave gear is installed, are formed for an internal buoyancy room simultaneously in the bottom of interior bucket.So can according to the differently configured isolation bar of different inner concave gears, with much more selection on the mounting means of interior bucket, and the manufacturing process of existing washing machine inner tub can be reduced.
Embodiment three:
On the basis of previous embodiment, isolation bar is used height adjustable scheme, caliber shape according to isolation bar is equipped with the pipeline that different lengths differs, use between pipeline with isolation bar be spirally connected-i.e. threaded, grafting-i.e. utilize caliber poor or separately female connector pipe both are linked together, clamping-utilize the modes such as clip both to be linked together, aforesaid way can adjust the height of isolation bar, make the washing machine after sizing have adjustable, improve the adaptability of product and reduce substandard product.Concrete connected mode is not limited to above-mentioned three kinds, as long as ensure that the sealing of junction.
Embodiment four:
On the basis of above-described embodiment, the setting means of permeable hole can be in the way of using water-permeable pipe 14, water-permeable pipe can be fixed on lateral surface or the medial surface of isolation bar, both can be with integral production, water-permeable pipe contacts one end with interior bucket and communicates inside interior bucket, the height of water-permeable pipe can be consistent with isolation bar when being positioned at isolation bar and being internal, keeps consistent with interior bucket sidewall time externally-located.This programme can remove cage ring, and make arranging position and can adjusting of permeable hole, it is to avoid the impact that permeable hole is set by interior barrel structure.Additionally water-permeable pipe can also individually set, it is not necessary to will be connected with isolation bar, such as: may be set in the inner side of interior bucket sidewall, independently the mode such as be set in buoyancy chamber, makes permeable hole the most not affect the buoyancy effects of buoyancy chamber.
The present invention needs the height of the position adjustment isolation bar 11 installed according to inner concave gear 4 and outer convex gear 5; with when in ensureing, bucket floats to washing location; the top of protection set can also be included by the annular seal space that isolation bar is formed; therefore need not contour between height and the sidewall of interior bucket of isolation bar, typically with isolation bar height be advisable more than the Sidewall Height of interior bucket.
Operationally, water filling in washing machine, bottom of the barrel formed buoyancy chamber 12 and two, internal buoyancy room annular seal space promote interior bucket to float simultaneously, permeable hole 13 makes water between the inner barrel and outer barrel circulate, and reduces the resistance that interior bucket is subject to.Owing in isolation bar 11 aspect ratio, bucket sidewall is high, the top of protection set, also greater than the height of buoyancy chamber 12 annular seal space, the height of join protection set 7, is just placed in annular seal space, has reached flameproof effect by the height of the annular seal space that internal buoyancy room is formed.
Barrier means involved by this programme, in the case of not affecting interior bucket clutch effect, should increase the height of protection set as far as possible, to increase the effect of the annular seal space that isolation bar is formed.
Claims (12)
- null1. the protection structure of a minitype buoyancy washing machine，Described buoyancy washing machine includes the buoyancy chamber (12) that interior bucket (1) bottom sidewall is formed，It is arranged on the inner concave gear (4) at interior bucket outer bottom axis hole，It is arranged on the outer convex gear (5) in impeller drive shaft between the inner barrel and outer barrel，It is arranged on the bearing block (8) of outer barrel (2) outer bottom，It is characterized in that，Internal buoyancy room it is provided with in described buoyancy chamber，Inner concave gear (4) is formed around isolation bar (11)，Described isolation bar (11) forms internal buoyancy room，Described bearing block (8) contacts one side and is provided with the protection set (7) being connected with impeller drive shaft with outer barrel，It is indoor that protection set and the junction of impeller drive shaft extend to internal buoyancy，The periphery of described isolation bar is provided with and the cage ring (10) of bottom of the barrel one，Permeable hole (13) it is provided with on interior bucket between isolation bar (11) and cage ring.
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 1; it is characterized in that; described internal buoyancy room is made up of the isolation bar (11) with bottom of the barrel one; and isolation bar (11) is arranged on inner concave gear (4) surrounding, internal buoyancy room forms an annular seal space after washing machine water filling.
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 1, it is characterised in that described internal buoyancy room is by being arranged on inner concave gear (4) surrounding and constituting with inner concave gear isolation bar (11) integrally.
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 2 or claim 3; it is characterized in that; described isolation bar (11) be furnished with differing heights and as isolation bar caliber the pipeline of shape size, isolation bar use be spirally connected, clamping or inserting mode are connected with seal for pipe joints.
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 4, it is characterised in that described protection set (7) and impeller drive shaft (3) contact position are provided with outside framework oil seal (6).
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 5, it is characterised in that the height of described isolation bar (11) is more than the height of interior bucket sidewall.
- null7. the protection structure of a minitype buoyancy washing machine，Described buoyancy washing machine includes the buoyancy chamber (12) that interior bucket (1) bottom sidewall is formed，It is arranged on the inner concave gear (4) at interior bucket outer bottom axis hole，It is arranged on the outer convex gear (5) in impeller drive shaft between the inner barrel and outer barrel，It is arranged on the bearing block (8) of outer barrel (2) outer bottom，It is characterized in that，Internal buoyancy room it is provided with in described buoyancy chamber，Inner concave gear (4) is formed around isolation bar (11)，Described isolation bar (11) forms internal buoyancy room，Described bearing block (8) contacts one side and is provided with the protection set (7) being connected with impeller drive shaft with outer barrel，It is indoor that protection set and the junction of impeller drive shaft extend to internal buoyancy，Hollow water-permeable pipe (14) it is provided with on the medial surface of described isolation bar (11) or lateral surface，Water-permeable pipe contacts one end with interior bucket and communicates inside interior bucket.
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 7; it is characterized in that; described internal buoyancy room is made up of the isolation bar (11) with bottom of the barrel one; and isolation bar (11) is arranged on inner concave gear (4) surrounding, internal buoyancy room forms an annular seal space after washing machine water filling.
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 7, it is characterised in that described internal buoyancy room is by being arranged on inner concave gear (4) surrounding and constituting with inner concave gear isolation bar (11) integrally.
- The protection structure of a kind of minitype buoyancy washing machine the most as claimed in claim 8 or 9; it is characterized in that; described isolation bar (11) be furnished with differing heights and as isolation bar caliber the pipeline of shape size, isolation bar use be spirally connected, clamping or inserting mode are connected with seal for pipe joints.
- The protection structure of 11. a kind of minitype buoyancy washing machines as claimed in claim 10, it is characterised in that described protection set (7) and impeller drive shaft (3) contact position are provided with outside framework oil seal (6).
- The protection structure of 12. a kind of minitype buoyancy washing machines as claimed in claim 11, it is characterised in that the height of described isolation bar (11) is more than the height of interior bucket sidewall.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110067214.7A CN102251373B (en) | 2011-03-21 | 2011-03-21 | A kind of protection structure of minitype buoyancy washing machine |
| US14/002,298 US9145633B2 (en) | 2011-03-04 | 2011-08-03 | Small size pulsator-type automatic washing machine |
| JP2013555727A JP5822151B2 (en) | 2011-03-04 | 2011-08-03 | Small fully automatic impeller washing machine |
| KR1020137025969A KR101546173B1 (en) | 2011-03-04 | 2011-08-03 | Small size drum-type automatic laundry machine |
| PCT/CN2011/077968 WO2012119370A1 (en) | 2011-03-04 | 2011-08-03 | Small size drum-type automatic laundry machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110067214.7A CN102251373B (en) | 2011-03-21 | 2011-03-21 | A kind of protection structure of minitype buoyancy washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102251373A CN102251373A (en) | 2011-11-23 |
| CN102251373B true CN102251373B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110067214.7A Active CN102251373B (en) | 2011-03-04 | 2011-03-21 | A kind of protection structure of minitype buoyancy washing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102251373B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359009B (en) * | 2011-11-01 | 2012-10-24 | 合肥荣事达洗衣设备制造有限公司 | Energy-saving buoyancy type clutch |
| CN107780141B (en) * | 2016-08-30 | 2023-08-25 | 无锡小天鹅电器有限公司 | washing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2256898Y (en) * | 1996-02-15 | 1997-06-25 | 合肥荣事达集团公司 | Buoyance type full-automatic washer clutch driving device |
| WO2005124006A1 (en) * | 2004-06-21 | 2005-12-29 | Lg Electronics Inc. | Tilted drum-type washing machine with pulsator and method for controlling the same |
| CN101962897A (en) * | 2010-09-19 | 2011-02-02 | 海尔集团公司 | Washing machine and transmission device for same |
-
2011
- 2011-03-21 CN CN201110067214.7A patent/CN102251373B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2256898Y (en) * | 1996-02-15 | 1997-06-25 | 合肥荣事达集团公司 | Buoyance type full-automatic washer clutch driving device |
| WO2005124006A1 (en) * | 2004-06-21 | 2005-12-29 | Lg Electronics Inc. | Tilted drum-type washing machine with pulsator and method for controlling the same |
| CN101962897A (en) * | 2010-09-19 | 2011-02-02 | 海尔集团公司 | Washing machine and transmission device for same |
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| Publication number | Publication date |
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| CN102251373A (en) | 2011-11-23 |
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Effective date of registration: 20160622 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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