CN102242485B - Pawl device of decelerating clutch of washing machine - Google Patents
Pawl device of decelerating clutch of washing machine Download PDFInfo
- Publication number
- CN102242485B CN102242485B CN201010183473.1A CN201010183473A CN102242485B CN 102242485 B CN102242485 B CN 102242485B CN 201010183473 A CN201010183473 A CN 201010183473A CN 102242485 B CN102242485 B CN 102242485B
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- CN
- China
- Prior art keywords
- clutch
- ratchet
- pawl
- washing machine
- ratchet wheel
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- 238000005406 washing Methods 0.000 title claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Mechanical Operated Clutches (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a pawl device of a decelerating clutch of a washing machine, relates to the technical field of washing machines, and in particular relates to a decelerating clutch of an impeller type washing machine. The pawl device mainly comprises a bearing retainer, a fixed shaft, a support, a bottom ratchet wheel, a clutch torsion spring, a clutch shaft sleeve, a clutch shaft, a top ratchet wheel and pawls, wherein, the pawls consist of a pair of main-auxiliary pawls; the arm length from pawl ends of the main pawl and the auxiliary pawl to a rotation center is equal and symmetrical; the two pawls are synchronously opened and closed just like pinchers; the pawl ends can be respectively inserted into or deviated from the bottom ratchet wheel and the top ratchet wheel at the same time; and the main pawl takes the fixed shaft as a rotation support center, and the auxiliary pawl takes the fixed shaft or a small shaft fixed on the support as a rotation support center. The pawl device has the beneficial effects that relative rotating angles of the top ratchet wheel and the bottom ratchet wheel can be changed through the main pawl and the auxiliary pawl so as to control the clutch torsion spring in the ratchet wheels to loose or clasp the clutch shaft sleeve and the clutch shaft, which realizes synchronous clutch, meets the requirements for equal insertion depth and consistent opening clearance, and achieves good, stable and reliable clutch effect without abnormal sound.
Description
Technical field
The present invention relates to washing machine technology field, particularly pawl device of decelerating clutch of washing machine.
Background technology
Existing automatic reduction clutch of washing machine generally all adopts two pawl device, as shown in Figure 1, for the two pawl component operating diagram of conventional monolithic, by two ratchet A and B be contained in same overall ratchet holder, in order to insert or to leave upper and lower two ratchets 9,5, change its relative rotation to control the clutch of clutch torsion spring 6 in ratchet, play the translation function of washing and dehydration procedure; Because two ratchets A, B are contained in same ratchet holder, be bearing on same fixed axis 2, its pawl end differs greatly apart from pivot brachium, and b is much larger than a; Be illustrated in figure 2 the two pawl component operating diagram of conventional split, this structure retains the A ratchet of Fig. 1, its pivot is still fixed axis 2, its brachium is still a, above A ratchet, same position separately establishes a B ratchet, and its pivot is little axle 11, and its brachium is b, b, much smaller than a, is equipped with a pair elevating arc between two A, B ratchets and engages each other connection.
By two pawl structures conventional shown in Fig. 1, Fig. 2, two ratchet due to brachium not etc., can not be synchronous when inserting or leave ratchet, can not meet and insert simultaneously, depart from requirement simultaneously, and can not meet that insertion depth is equal, two requirements that ratchet relative rotation angle is close, opening clearance is consistent, clutch effect is poor, this conventional ratchet is generally all equipped with ratchet spring, adds the unlatching resistance of tractor during work.
Summary of the invention
The object of the invention is to invent a kind of pawl device of decelerating clutch of washing machine, to overcome the two ratchet of entirety in above prior art or the two ratchet clutch weak effect of split and to open the large defect of resistance, two pawl arm appearance etc. in this device are also symmetrical, can insert simultaneously or leave two ratchets, save ratchet spring, meet the requirement that clutch is effective, opening force is little.
According to above-mentioned purpose, technical scheme of the present invention is: a kind of pawl device of decelerating clutch of washing machine, mainly comprises bearing retainer, fixed axis, support, bottom ratchet wheel, clutch torsion spring, clutch axle sleeve, clutch shaft, upper ratchet and ratchet; One end of fixed axis is fixed on bearing retainer, and the other end is rack-mount, and clutch torsion spring is contained in upper and lower ratchet, and clutch torsion spring is also enclosed within the identical clutch axle sleeve of external diameter and clutch shaft; It is characterized in that: described ratchet is made up of a pair major and minor ratchet, the pawl end of major and minor ratchet is equal and symmetrical apart from the brachium of respective pivot, and two pawls can synchronous opening and closing as pliers, and its pawl end can insert or leave simultaneously bottom ratchet wheel and upper ratchet respectively.
Described main ratchet take fixed axis as supporting pivot, and secondary ratchet is to be fixed on little axle on support for supporting pivot.
Connection is engaged each other by a pair elevating arc between described major and minor ratchet.
Mutually to be linked connection by short pin and straight trough between described major and minor ratchet.
Described major and minor ratchet is all supporting pivot with fixed axis.
Mutually to link connection with short pin one, short pin two and cross frid between described major and minor ratchet.
Described major and minor ratchet can combine with brake apparatus, and synchronous interaction, does not separately establish ratchet spring.
Compared with prior art, advantage of the present invention and beneficial effect as follows:
1, adopt pawl device of decelerating clutch of washing machine of the present invention, main, the pawl end of secondary ratchet is equal and symmetrical apart from the brachium of respective pivot, two pawls are synchronous opening and closing as pliers, its pawl end can insert or leave simultaneously bottom ratchet wheel and upper ratchet respectively, by master, on secondary ratchet changes, the relative rotation of bottom ratchet wheel, control the unclamping or holding tightly clutch axle sleeve and clutch shaft of clutch torsion spring in ratchet, reach the effect of synchronous interface, insertion depth can be met equal, two ratchet relative rotation angle are close, the requirement that opening clearance is consistent, clutch is steadily reliable, be as good as sound, effective.
2, adopt pawl device of decelerating clutch of washing machine of the present invention, can combine with brake apparatus, synchronous interaction, separately not establish ratchet spring, greatly reduce the unlatching resistance of tractor, reduce noise, extend the service life of related components.
Accompanying drawing explanation
Fig. 1 is the two pawl component operating diagram of conventional monolithic;
Fig. 2 is the two pawl component operating diagram of conventional split;
Fig. 3 is pawl device of decelerating clutch of washing machine embodiment one structural representation of the present invention, and it is the upward view of Fig. 4;
Fig. 4 is pawl device of decelerating clutch of washing machine embodiment one structural representation of the present invention, and it is that expansion view is cutd open in the rotation of Fig. 3;
Fig. 5 is pawl device of decelerating clutch of washing machine example two structural representation of the present invention, and it is the upward view of Fig. 6;
Fig. 6 is pawl device of decelerating clutch of washing machine example two structural representation of the present invention, and it is the revolved section expanded view of Fig. 5;
Fig. 7 is pawl device of decelerating clutch of washing machine embodiment three structural representation of the present invention, and it is the upward view of Fig. 6;
Fig. 8 is pawl device of decelerating clutch of washing machine embodiment three structural representation of the present invention, and it is the revolved section expanded view of Fig. 5.
In figure:
1, bearing retainer 2, fixed axis 3, support 4, main ratchet
5, bottom ratchet wheel 6, clutch torsion spring 7, clutch axle sleeve 8, clutch shaft
9, upper ratchet 10, secondary ratchet 11, little axle 12, elevating arc
13, power shaft 14, cross frid 15, short pin 15a, short pin one
15b, short pin 2 16, little pin 17, straight trough
Detailed description of the invention
Composition graphs 3, Fig. 4, for pawl device of decelerating clutch of washing machine embodiment one structural representation of the present invention, this device mainly comprises: bearing retainer 1, fixed axis 2, support 3, bottom ratchet wheel 5, clutch torsion spring 6, clutch axle sleeve 7, clutch shaft 8, upper ratchet 9, little axle 11 and ratchet, clutch torsion spring 6 is contained in bottom ratchet wheel 9,5, and clutch torsion spring is also enclosed within the identical clutch axle sleeve 7 of external diameter and clutch shaft 8; It is characterized in that: ratchet is made up of a pair major and minor ratchet 4,10, main ratchet 4 is supporting pivot with the fixed axis 2 be fixed on bearing retainer 1 and support 3, secondary ratchet 10 is main supporting pivot with the little axle 11 be fixed on support 3, the pawl end of major and minor ratchet is equal apart from the brachium of respective pivot, a=b, and it is symmetrical, connection is engaged each other by a pair elevating arc 12 between major and minor ratchet, two pawls can synchronous opening and closing as pliers, and its pawl end can insert simultaneously or leave bottom ratchet wheel 5, upper ratchet 9 respectively.
When washing operating mode, in the ratchet that the pawl end of major and minor ratchet 4,10 inwardly inserts ratchet 5,9 simultaneously respectively (as shown in figure 3 by the solid lines) make two ratchets relatively rotate in the opposite direction certain angle, clutch torsion spring 6 is released, clutch axle sleeve 7 is in free state at that time, impeller reciprocating rotary can be driven by power shaft 13, carry out washing work.
When dehydration condition, the pawl end of major and minor ratchet 4,10 outwards opens simultaneously, leave two ratchets 5,9 (as shown in Fig. 3 double dot dash line), and keep identical gap, make the free return of two ratchets, clutch torsion spring holds clutch axle sleeve 7 and clutch shaft 8 automatically tightly simultaneously, and drive clutch shaft rotates and carries out dewatering work by clutch axle sleeve together with interior bucket at that time.
Composition graphs 5, Fig. 6, for pawl device of decelerating clutch of washing machine embodiment two structural representation of the present invention, it and the difference of example one are mutually linked by the short pin 15 on ratchet 4 and the straight trough 17 on secondary ratchet 10 between major and minor ratchet to connect, and all the other structures and washing, dehydration condition are identical with the first example.
Composition graphs 7, Fig. 8, for pawl device of decelerating clutch of washing machine embodiment three structural representation of the present invention, this device mainly comprises: bearing retainer 1, fixed axis 2, support 3, bottom ratchet wheel 5, clutch torsion spring 6, clutch axle sleeve 7, clutch shaft 8, upper ratchet 9 and ratchet, clutch torsion spring 6 is contained in upper and lower ratchet 9,5, and clutch torsion spring is also enclosed within the identical clutch axle sleeve 7 of external diameter and clutch shaft 8, it is characterized in that: ratchet is by a pair master, secondary ratchet 4, 10 compositions, main, secondary ratchet is all to be fixed on fixed axis 2 on bearing retainer 1 and support 3 for supporting pivot, main, the pawl end of secondary ratchet is also symmetrical apart from the equal a=b of brachium of pivot, main ratchet 4 is fixed with short pin one 15a, secondary ratchet 10 is fixed with short pin two 15b, two pins insert in two transverse grooves of cross frid 14 respectively, when ratchet swings, two pins can slippage in this transverse groove, the cannelure of cross frid 14 can in the outer garden of fixed axis 2 and the little pin 16 annular groove internal diameter slippage be fixed on support 3 with guiding, main, secondary ratchet links connection thus mutually, two pawls can synchronous opening and closing as pliers, its pawl end can insert respectively simultaneously or leave bottom ratchet wheel 5, upper ratchet 9.
When washing operating mode, two ratchets are made relatively to rotate in the opposite direction certain angle in the ratchet that the pawl end of major and minor ratchet 4,10 inwardly inserts ratchet 5,9 simultaneously respectively, clutch torsion spring 6 is released, clutch axle sleeve 7 is in free state at that time, impeller reciprocating rotary can be driven by power shaft 13, carry out washing work.
When dehydration condition, the pawl end of major and minor ratchet 4,10 outwards opens simultaneously, leave two ratchets 5,9, and keep identical gap, make the free return of two ratchets, clutch torsion spring holds clutch axle sleeve 7 and clutch shaft 8 automatically tightly simultaneously, and drive clutch shaft rotates and carries out dewatering work by clutch axle sleeve together with interior bucket at that time.
Claims (7)
1. a pawl device of decelerating clutch of washing machine, mainly comprise bearing retainer (1), fixed axis (2), support (3), bottom ratchet wheel (5), clutch torsion spring (6), clutch axle sleeve (7), clutch shaft (8), upper ratchet (9) and ratchet, one end of fixed axis (2) is fixed on bearing retainer (1), the other end is arranged on support (3), clutch torsion spring (6) is contained in, bottom ratchet wheel (9, 5) in, clutch torsion spring (6) is also enclosed within the identical clutch axle sleeve (7) of external diameter and clutch shaft (8), it is characterized in that: described ratchet is by a pair master, secondary ratchet (4, 10) form, main, secondary ratchet (4, 10) pawl end is equal and symmetrical apart from the brachium of respective pivot, the synchronous opening and closing of two pawls, its pawl end inserts simultaneously or leaves bottom ratchet wheel (5) and upper ratchet (9).
2. pawl device of decelerating clutch of washing machine according to claim 1, it is characterized in that: described main ratchet (4) is with fixed axis (2) for supporting pivot, and secondary ratchet (10) is supporting pivot with the little axle (11) be fixed on support (3).
3. pawl device of decelerating clutch of washing machine according to claim 2, is characterized in that: engage each other connection by a pair elevating arc (12) between described major and minor ratchet (4,10).
4. pawl device of decelerating clutch of washing machine according to claim 2, is characterized in that: mutually to be linked connection by short pin (15) and straight trough (17) between described major and minor ratchet (4,10).
5. pawl device of decelerating clutch of washing machine according to claim 1, is characterized in that: described major and minor ratchet (4,10) all with fixed axis (2) for supporting pivot.
6. pawl device of decelerating clutch of washing machine according to claim 5, is characterized in that: mutually to link connection with short pin one (15a), short pin two (15b) and cross frid (14) between described major and minor ratchet (4,10).
7. the pawl device of decelerating clutch of washing machine according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that: described major and minor ratchet (4,10) can combine with brake apparatus, synchronous interaction, does not separately establish ratchet spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010183473.1A CN102242485B (en) | 2010-05-16 | 2010-05-16 | Pawl device of decelerating clutch of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010183473.1A CN102242485B (en) | 2010-05-16 | 2010-05-16 | Pawl device of decelerating clutch of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102242485A CN102242485A (en) | 2011-11-16 |
| CN102242485B true CN102242485B (en) | 2015-03-11 |
Family
ID=44960715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010183473.1A Expired - Fee Related CN102242485B (en) | 2010-05-16 | 2010-05-16 | Pawl device of decelerating clutch of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102242485B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401024A (en) * | 2016-05-18 | 2017-11-28 | 安徽聚隆传动科技股份有限公司 | A kind of water-conservation washing machine speed-reducing clutch |
| JP7084486B2 (en) | 2018-05-29 | 2022-06-14 | ▲無▼▲錫▼小天鵝電器有限公司 | Drum type washing machine |
| CN111336192B (en) * | 2019-11-29 | 2021-10-26 | 无锡小天鹅电器有限公司 | Clutch assembly and washing machine with same |
| CN111336191B (en) * | 2019-11-29 | 2021-10-26 | 无锡小天鹅电器有限公司 | Clutch assembly and washing machine with same |
| CN111334985B (en) * | 2019-11-29 | 2022-06-10 | 无锡小天鹅电器有限公司 | Clutch assembly and washing machine with same |
| CN110904628B (en) * | 2019-11-29 | 2022-06-07 | 无锡小天鹅电器有限公司 | Clutch assembly and washing machine with same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB972279A (en) * | 1960-05-12 | 1964-10-14 | Hoover Ltd | Improvements relating to washing machines |
| CN2357031Y (en) * | 1999-01-05 | 2000-01-05 | 海尔集团公司 | Mechanism for controlling clutching spring of speed reducing clutch of washing machine |
-
2010
- 2010-05-16 CN CN201010183473.1A patent/CN102242485B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB972279A (en) * | 1960-05-12 | 1964-10-14 | Hoover Ltd | Improvements relating to washing machines |
| CN2357031Y (en) * | 1999-01-05 | 2000-01-05 | 海尔集团公司 | Mechanism for controlling clutching spring of speed reducing clutch of washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102242485A (en) | 2011-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI JULONG TRANSMISSION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NINGGUO JULONG INDUSTRY CO. LTD. Effective date: 20120522 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120522 Address after: 242300, No. 16, North Road, Ningguo economic and Technological Development Zone, Anhui, Xuancheng province (Julong Industrial Park) Applicant after: Anhui Julong Transmission Technology Co., Ltd. Address before: 242300 No. 17 Heping Road, Anhui, Ningguo Applicant before: Ningguo Julong Industry Co., Ltd. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jun Inventor after: Xue Hualin Inventor after: Jiang Pingguo Inventor after: Ge Ningjie Inventor before: Liu Jun Inventor before: Xue Hualin Inventor before: Jiang Pingguo |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU JUN XUE HUALIN JIANG PINGGUO TO: LIU JUN XUE HUALIN JIANG PINGGUO GE NINGJIE |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jun Inventor after: Xue Hualin Inventor after: Jiang Pingguo Inventor before: Liu Jun Inventor before: Xue Hualin Inventor before: Jiang Pingguo Inventor before: Ge Ningjie |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU JUN XUE HUALIN JIANG PINGGUO GE NINGJIE TO: LIU JUN XUE HUALIN JIANG PINGGUO |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20200516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |