CN100516343C - Synchro clutch for washing machine - Google Patents

Synchro clutch for washing machine Download PDF

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Publication number
CN100516343C
CN100516343C CNB2007100169804A CN200710016980A CN100516343C CN 100516343 C CN100516343 C CN 100516343C CN B2007100169804 A CNB2007100169804 A CN B2007100169804A CN 200710016980 A CN200710016980 A CN 200710016980A CN 100516343 C CN100516343 C CN 100516343C
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CN
China
Prior art keywords
friction plate
washing
shaft
dehydration
sliding sleeve
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Expired - Fee Related
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CNB2007100169804A
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Chinese (zh)
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CN101109143A (en
Inventor
杨欣
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QINGDAO VOCATIONAL TECHNOLOGY COLLEGE
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Individual
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Priority to CNB2007100169804A priority Critical patent/CN100516343C/en
Publication of CN101109143A publication Critical patent/CN101109143A/en
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Publication of CN100516343C publication Critical patent/CN100516343C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a synchronous clutch for washers. In the up and lower casing that are closing each other, from down to up sequentially the following parts are provided: a dewatering friction plate assembly fixed on the washing shaft and near to the bottom of the casing, movable friction plates fixed respectively on the upper and lower part of the slide sleeve that are connected with the dewatering shaft by a spline; washing friction plates that are fixed on washing friction plate assembly located at the joining site of the upper and lower casing and corresponding with the movable friction plates; a roller that is connected with the drainage dragger and passes into the shift fork assembly located at the perimeter of the lower casing through a pin shaft is put against the bottom of the outer cylindrical face of the spline in the slide sleeve. The invention is of novel, reasonable and simple structure. A wave-wheel washer using the invention as a drive system can realize the optimal combination of different washing, rinsing and dewatering, so as to save power, water, wash clean, achieve low wear and high dewatering rate, and can greatly simplify the complex drive mechanism and high manufacturing cost of wave-wheel washers.

Description

Synchronous clutch for washers
Technical field
The present invention relates to the transmission system of impeller automatic washing machine---synchronous clutch for washers.
Background technology
The transmission adopted speed-reducing clutch of traditional full-automatic impeller type washing machine, its structure is comparatively complicated, cost is high, fault rate is also higher, maintenance difficult, generally do not keep in repair, only change after (this is because the gear in the speed-reducing clutch can't be changed and keep in repair) so speed-reducing clutch damage.The expense of changing speed-reducing clutch is generally between 250~300 yuan.Like this, both increase user's financial burden, caused the waste of the waste product of a large amount of speed-reducing clutchs again.
In addition, extensive use along with converter technique, can replace the constant speed system that existing impeller automatic washing machine had existed already eventually, when its problem on obstacle was to implement the variable-frequency washing machine technology, the existing speed-reducing clutch transmission system of impeller automatic washing machine can't solve the problem of frequency conversion narrow range.Promptly because the existence of existing speed-reducing clutch can make frequency conversion scope limit narrow (gearratio during the speed-reducing clutch washing is approximately 1: 5), influence the real efficacy of converter technique and be difficult to be put to actual use so far.
Summary of the invention
The speed-reducing clutch that purpose of the present invention just is to overcome existing rotary drum washing machine utilization complexity provides a kind of as full-automatic impeller type washing machine transmission system critical component---synchronous clutch for washers as the shortcoming and defect of bringing to rotary drum washing machine of transmission system.
Studies show that, have only and adopt timing clutch of the present invention could realize high efficiency infinitely variable speeds with the motor of modern converter technique control, make the water level of rotary drum washing machine become possibility with the optimum Match of washing between rotating speed, the different dehydration rate as the rotary drum washing machine of transmission system.So can wash the clothing of various quality, from the cashmere product to the jean, and can select washing procedure according to the dirty degree of the stolen goods of clothing, both washed totally, clothing does not does not wear and tear again.That is to say the rotary drum washing machine that uses converter technique control, its function can have more hommization, the selection space of various parameters is bigger, that the program for washing that adopts conventional laundry apparatus to realize of making over becomes is possible (for example water level and current, the optimum organization of rotating speed/beat/time etc.), reach desirable multiple mode of washing.The present invention makes full use of ripe friction plate technology, to simplify transmission mechanism and manufacturing cost.
Solution of the present invention: the present invention is characterized in that the upper shell that covering mutually, in the lower house, the end is the dehydration friction plate assembly on the wash shaft of being fixed near the lower house bottom from bottom to top successively in the lower house, adopt the sliding sleeve upper and lower of splined to fix a movable friction plate respectively with dehydrating shaft, go up to support sliding sleeve and the empty stage clip on the dehydrating shaft and the adjustment nut of below and dehydrating shaft threaded engagement thereof of being enclosed within, be fixed on upper shell and lower house joint the washing friction plate assembly and on the washing friction plate corresponding with movable friction plate, and two rollers on the fork body of the pull-fork assembly that links to each other with water discharge dragging device are against the bottom of sliding sleeve inner flower-key external cylindrical surface, and washing friction plate, the shape of movable friction plate and dehydration friction plate is annular, their center line and wash shaft, the central lines of dehydrating shaft.
The present invention who constructs thus, can good coupling be arranged with the motor of converter technique control as long as on the wash shaft of rotary drum washing machine, fix a variable frequency control motor via shaft coupling, and realize the slewing range of broad, give full play to the usefulness that rotary drum washing machine adopts converter technique, promptly just can make rotary drum washing machine realize the best of breed of multiple washing, rinsing, dehydration, reach power saving, water-saving, wash only, little, the high requirement of dehydration rate of wearing and tearing.Thereby simplify transmission mechanism and its higher manufacturing cost of reduction of the complexity of rotary drum washing machine greatly.
Provide specific embodiments of the invention in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is basic structure and the installation site schematic diagram thereof that the present invention's (in thick line exterior feature) is used for rotary drum washing machine.
Fig. 2 is a pull-fork assembly structural representation of the present invention.
Fig. 3 is a dehydration friction plate assembly structural representation of the present invention.
Fig. 4 is dehydration friction plate assembly of the present invention and wash shaft combining structure schematic diagram.
Fig. 5 is a washing friction plate assembly structural representation of the present invention.
Fig. 6 is the part combining structure schematic diagram that cooperates with dehydrating shaft of the present invention.
Fig. 7 is movable friction plate assembly of the present invention and dehydrating shaft combination cross-sectional view.
Fig. 8 is a movable friction plate assembly structural representation of the present invention.
Wherein, 1 interior bucket; 2 outer buckets; 3 impellers; 4 screws; 5 dehydrating shafts; 6 upper shells; 7 washing friction plate assemblies;
8 movable friction plates; 9 pull-fork assemblies; 10 water discharge dragging devices; 11 bearing pins; 12 adjust nut; 13 wash shaft; 14 bolts; 15 stage clips; 16 lower houses; 17 dehydration friction plate assemblies; 18 sliding sleeves; 19 shaft couplings; 20 variable frequency control motor; 21 primary nuts (two); 22 rollers (two); 23 roller shafts (two); 24 fork bodies; 25 pin shaft holes; 26 dehydration friction plates; 27 dehydration friction plate skeletons; 28 washing friction plate skeletons; 29 washing friction plates; 30 bolts hole; 31 nuts (two).
The explanation of relevant character of Fig. 1 to Fig. 8 and size;
1. character is identical is of a size of same size;
2. K * K, P * P represent tetragonal axis;
3. the appearance and size of four friction plates in the timing clutch is identical, is annular.
4. the external diameter of each friction plate of Φ A.
The diameter of bore of each friction plate of Φ B.
The external diameter of Φ E washing friction plate.
The diameter of bore of Φ F washing friction plate skeleton.
Φ G washing friction plate skeleton diameter of bolt hole.
The external diameter on the Φ N dehydrating shaft face of cylinder.
Φ F>Φ N promptly washs the external diameter of the diameter of bore of friction plate skeleton greater than the dehydrating shaft face of cylinder.
The specific embodiment
As Fig. 1 to Fig. 8, the present invention is characterized in that the upper shell 6 that covering mutually, in the lower house 16, the ends are the dehydration friction plate assembly 17 on the wash shaft 13 of being fixed near lower house 16 bottoms from bottom to top successively in the lower house 16, adopt sliding sleeve 18 upper and lowers of splined to fix a movable friction plate 8 respectively with dehydrating shaft 5, go up to support sliding sleeve 18 and the empty stage clip 15 on the dehydrating shaft 5 and the adjustment nut 12 of below and dehydrating shaft 5 threaded engagement thereof of being enclosed within, be fixed on the upper shell 6 and the joint of lower house 16 washing friction plate assembly 7 and on washing friction plate 29 corresponding with movable friction plate 8, and the roller 22 on the fork body 24 of the pull-fork assembly 9 that links to each other with water discharge dragging device 10 (two) is against the bottom of sliding sleeve 18 inner flower-key external cylindrical surfaces, and washing friction plate 29, the shape of movable friction plate 8 and dehydration friction plate 26 is annular, their center line and wash shaft 13, the central lines of dehydrating shaft 5.
As Fig. 2, the described pull-fork assembly 9 that sliding sleeve 18 is moved up and down is by fork body 24, and rely on its roller shaft 23 and primary nut 21 symmetries to be fixed on the roller 22 of fork body 24 on balancing or cancel each other to form, and have pin shaft hole 25 will pitch body 24 via bearing pin 11 again at fork body 24 other ends to be interspersed on the lower house 16.
As Fig. 3, described dehydration friction plate assembly 17 is to fix an annular dehydration friction plate 26 to form on the center is the garden dish type dehydration friction plate skeleton 27 of square hole, and rely on dehydration friction plate skeleton 27 center square holes two nuts 31 up and down, the friction plate assembly 17 that will dewater is fixed on the wash shaft 13.As Fig. 4
As Fig. 5, described washing friction plate assembly 7, be below the center is the garden dish type washing friction plate skeleton 28 of square hole, to fix an annular washing friction plate 29 to form, and rely on and wash friction plate skeleton 28 limits week upper bolt hole 30, fix with bolt 14 and upper shell 6, lower house 16.
As Fig. 8, described movable friction plate assembly 8 is to fix an annular movable friction plate 8 respectively at sliding sleeve 18 upper and lowers to form.
The shape of described three kinds of friction plates (washing friction plate 29, movable friction plate 8, dehydration friction plate 26) is annular, the central lines of their center line and wash shaft 13, dehydrating shaft 5.
Upper shell 6 of the present invention, lower house 16 cover cylindrical mutually, during use interior bucket 1 is rigidly connected by trip bolt 4 and dehydrating shaft 5 and goes up the present invention, on wash shaft 13 bottoms of rotary drum washing machine, fix a variable frequency control motor 20 again via shaft coupling 19, as long as be aided with the calculation procedure that washs usefulness as required, can make rotary drum washing machine reach desirable multiple mode of washing.Below be to utilize washing situation of the present invention.
1, the course of work of timing clutch when washing or rinsing.
At this moment, under the effect of stage clip 15, top movable friction plate 8 is combined closely with washing friction plate 29, and wash shaft 13 energising rotations promptly realize washing and rinsing function.The rotating speed of impeller 3 changes with frequency conversion control motor 20 rotation speed change.
The course of work of timing clutch when 2, dewatering.
Subprogram before the dehydration of impeller automatic washing machine is draining, and dehydration procedure also is the continuity of draining.Water discharge dragging device get electric after, simultaneously draining valve is pulled out draining, and with the fork body in the pull-fork assembly 9 24 pulling.Because 5 employings of sliding sleeve 18 and dehydrating shaft is that spline is connected, slide over the elastic force that external force (water discharge dragging device) effect can overcome stage clip 15 down, move down along dehydrating shaft 5, movable friction plates below the sliding sleeve 18 are combined closely with dehydration friction plate 26 and wash shaft 13 and dehydrating shaft 5 are integrated.Variable frequency control motor 20 high speed rotations during dehydration during the rotation of variable frequency control motor, promptly can drive impeller 3 and interior bucket 1 speed together, rotation at a high speed in the same way.
3, the realization of " hand rubbing is washed ".
In the bottom of dehydrating shaft 5, stage clip 15 is housed and adjusts nut 12.Nut is adjusted in rotation, can adjust movable friction plate above 15 pairs of the stage clips and the pretightning force (being frictional force) between the washing friction plate 29, makes washing machine when washing or rinsing, and interior bucket 1 is followed impeller 3 rotations (in the same way) by a small margin.

Claims (4)

1, a kind of synchronous clutch for washers, it is characterized in that in the upper shell that covers mutually (6), in the lower house (16), be the dehydration friction plate assembly (17) on the wash shaft (13) of being fixed in from bottom to top successively from the interior end of lower house (16) near lower house (16) bottom, adopt sliding sleeve (18) upper and lower of splined to fix a movable friction plate (8) respectively with dehydrating shaft (5), go up to support sliding sleeve (18) and sky and be enclosed within the stage clip (15) on the dehydrating shaft (5) and the adjustment nut (12) of below and dehydrating shaft (5) threaded engagement thereof, be fixed on the upper shell (6) and the joint of lower house (16) washing friction plate assembly (7) and on the movable friction plate (8) of washing friction plate (29) and sliding sleeve (18) top corresponding; Pull-fork assembly (9) can make sliding sleeve (18) move under the traction of water discharge dragging device; Roller (22) on the fork body (24) of the pull-fork assembly (9) that links to each other with water discharge dragging device (10) is against the bottom of sliding sleeve (18) internal spline external cylindrical surface, and the shape of washing friction plate (29), movable friction plate (8) and dehydration friction plate (26) is annular, the central lines of their center line and wash shaft (13), dehydrating shaft (5).
2, synchronous clutch for washers as claimed in claim 1, it is characterized in that the described pull-fork assembly (9) that sliding sleeve (18) is moved is by fork body (24), with rely on its roller shaft (23) and primary nut (21) symmetry to be fixed on the roller (22) of fork body (24) on balancing or cancel each other to form, and at fork body (24) other end pin shaft hole (25) is arranged, will pitch body (24) via bearing pin (11) again and be interspersed on the lower house (16).
3, synchronous clutch for washers as claimed in claim 1, it is characterized in that described dehydration friction plate assembly (17) is to fix an annular dehydration friction plate (26) to form on the center is the disc dehydration friction plate skeleton (27) of square hole, and rely on dehydration friction plate skeleton (27) center square hole two nuts (31) up and down friction plate assembly (17) that will dewater to be fixed on the wash shaft (13).
4, synchronous clutch for washers as claimed in claim 1, it is characterized in that described washing friction plate assembly (7), be below the center is the disc washing friction plate skeleton (28) of square hole, to fix an annular washing friction plate (29) to form, and rely on the bolt hole (30) on washing friction plate skeleton (28) periphery, fix with bolt (14) and upper shell (6), lower house (16).
CNB2007100169804A 2007-08-21 2007-08-21 Synchro clutch for washing machine Expired - Fee Related CN100516343C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100169804A CN100516343C (en) 2007-08-21 2007-08-21 Synchro clutch for washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007100169804A CN100516343C (en) 2007-08-21 2007-08-21 Synchro clutch for washing machine

Publications (2)

Publication Number Publication Date
CN101109143A CN101109143A (en) 2008-01-23
CN100516343C true CN100516343C (en) 2009-07-22

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Application Number Title Priority Date Filing Date
CNB2007100169804A Expired - Fee Related CN100516343C (en) 2007-08-21 2007-08-21 Synchro clutch for washing machine

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110644195B (en) * 2019-09-27 2021-04-06 柳州津晶电器有限公司 Washing machine
CN113152028B (en) * 2020-01-06 2023-01-10 浙江三星机电股份有限公司 Washing machine speed reduction clutch and washing machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215232A (en) * 1962-10-11 1965-11-02 Blackstone Corp Domestic laundering machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215232A (en) * 1962-10-11 1965-11-02 Blackstone Corp Domestic laundering machine

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Owner name: QINGDAO VOCATIONAL TECHNOLOGY COLLEGE

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Effective date of registration: 20110513

Address after: 266555 No. 369 Qian Tang Road, Huangdao District, Shandong, Qingdao

Patentee after: Qingdao Vocational Technology College

Address before: 266555 No. 128 Xiangjiang Road, Qingdao economic and Technological Development Zone, Shandong

Patentee before: Yang Xin

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Granted publication date: 20090722

Termination date: 20130821