CN202576931U - Clutch mechanism of bionic hand-rubbing clutch for full-automatic washing machine - Google Patents
Clutch mechanism of bionic hand-rubbing clutch for full-automatic washing machine Download PDFInfo
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- CN202576931U CN202576931U CN 201220120943 CN201220120943U CN202576931U CN 202576931 U CN202576931 U CN 202576931U CN 201220120943 CN201220120943 CN 201220120943 CN 201220120943 U CN201220120943 U CN 201220120943U CN 202576931 U CN202576931 U CN 202576931U
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- ratchet
- clutch
- washing machine
- ratchet wheel
- lever
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Abstract
The utility model discloses a clutch mechanism of a bionic hand-rubbing clutch for a full-automatic washing machine. The clutch mechanism comprises torsion springs, an upper ratchet wheel, a lower ratchet wheel, a pawl and a clutch lever, wherein the torsion springs are arranged in the upper ratchet wheel and the lower ratchet wheel, the clutch lever is connected with the drive pawl composed of a spring and two stretching arm rods of the spring, and the ends of the two arm rods are in a bending shape to form hooks and can be correspondingly meshed with outer teeth of the upper ratchet wheel and the lower ratchet wheel. The clutch mechanism has the advantages that the structure is simple and reasonable, the manufacturing cost is low, the assembly is simple and easy to implement, the production efficiency is greatly improved, and the bionic hand-rubbing effect and using performance of the washing machine are effectively improved.
Description
Technical field
The utility model relates to clutch coupling of washing machine, relates in particular to the clutch that a kind of automatic washing machine is realized powershift and transmission.
Background technology
The clutch that the bionical hand rubbing technology of automatic washing machine is adopted is to drive the ratchet that ratchet inserted or left the torsion spring outside through trip(ping) lever, holds torsion spring tightly with Xie Songhuo, and then realizes powershift and power transmission.Its operation principle is following: when the ratchet on the trip(ping) lever inserts ratchet; Torsion spring is in the loose state of separating; At this moment washing machine computer plate is controlled drive motors and two stroke drain motor outputting powers, and drain motor moves, and ratchet, ratchet do not move first stroke with the arrestment mechanism of separating loose clutch, arrive speed-reducing clutch to transmission of power through belt; Washing machine inner tub and impeller just produce the clean result of bionical hand rubbing through the interaction of flexible distribution of the power of speed-reducing clutch and current.When the ratchet on the trip(ping) lever leaves ratchet; Torsion spring is in the state of holding tightly; At this moment washing machine computer plate is controlled drive motors and two stroke drain motor outputting powers; Drain motor moves to second stroke has certain clearance with the arrestment mechanism of separating loose clutch and ratchet and ratchet, this moment also through belt transmission of power to speed-reducing clutch, washing machine is in dewatering state.
At present, the clutch that the bionical hand rubbing technology of prior art is adopted mainly contains following three kinds, and exists following technological deficiency:
One, adopts whole steel, be with two plastics ratchets.This kind mode support opening force is big, and the very difficult control of the degree of depth of ratchet insertion ratchet, be difficult to separate loose torsion spring fully, and manufacturing cost is high.
Two, two plastics ratchets of plastic clutch bar band.Need be fixed on two ratchets on the trip(ping) lever with bolt and nut during installation, production efficiency is low.
Three, adopt the sector trip(ping) lever through gear forms and ratchet transmission.Trip(ping) lever and gear ratchet are to the tooth difficulty, and production process is many, and the process and assemble difficulty is big.
The existing defective of above-mentioned prior art clutch, particularly outstanding in batch process, reduce production efficiency, and increased production cost.And ratchet inserts or when leaving ratchet in the course of work, can not satisfy simultaneously and insert that tooth is identical, opening clearance is consistent and the requirement little requirement of trying one's best to drain motor tractive force, thereby influence the serviceability of washing machine.
The utility model content
The purpose of the utility model is to overcome the deficiency of prior art; A kind of low cost of manufacture is provided, assembles simple, as can effectively to improve the bionical hand rubbing effect of washing machine clutch; So that when enhancing productivity, reducing production costs, help to improve the serviceability of washing machine.
The purpose of the utility model is achieved through following technical scheme:
The clutch of the bionical hand rubbing clutch of a kind of automatic washing machine that the utility model provides comprises torsion spring, goes up ratchet, bottom ratchet wheel, ratchet, trip(ping) lever; Said torsion spring is arranged in ratchet and the bottom ratchet wheel, and said trip(ping) lever connects the driving ratchet; Wherein, said ratchet is made up of spring body and two armed levers that stretch out thereof, and the termination of said two armed levers all is bending and forms hook and can be respectively and the corresponding engagement of external tooth of last ratchet, bottom ratchet wheel.
Be further to improve the intensity of ratchet termination, and with the contact area of last ratchet, bottom ratchet wheel, it is poroid that the said hook of the utility model is the plane, its constitute the parallel axes of plane and said spring body.
In the such scheme, the termination of the said trip(ping) lever of the utility model is provided with erection column and two fixed blocks, and the spring body of said ratchet is enclosed within on the erection column, and two armed levers that stretch out of said ratchet pack into respectively on two fixed blocks.
The utlity model has following beneficial effect:
(1) simple and reasonable, the opening force of support is little, good energy-conserving effect, and improved the effect of the bionical hand rubbing of washing machine.
(2) manufacturing of ratchet processing is simple, only need use line footpath for example to curve certain angle as the spring of Φ 1.5mm, packs into trip(ping) lever then and gets final product; Need not screw or rivet and connect, assembling simple and fast, low cost of manufacture; Improved production efficiency greatly, be easy to be extended and applied.
(3) adaptability of using is strong, just applicable to external tooth size and variform ratchet, has improved the stability of ratchet and ratchet engaged through the angle between two armed levers of conversion adjusting ratchet; Just can overcome its ratchet of prior art clutch when inserting or leaving ratchet through adjusting two armed lever length; Can not satisfy simultaneously and insert that tooth is identical, opening clearance is consistent and the tractive force of drain motor is required to try one's best little defective, help to improve the serviceability of washing machine.
Description of drawings
To combine embodiment and accompanying drawing that the utility model is done further to describe in detail below:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is an assembling sketch map embodiment illustrated in fig. 1;
Fig. 3 is the structural representation of middle ratchet embodiment illustrated in fig. 1;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of middle trip(ping) lever embodiment illustrated in fig. 1;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 be embodiment illustrated in fig. 1 in the sketch map that is connected of ratchet and trip(ping) lever;
Fig. 8 is the vertical view of Fig. 7.
Among the figure: torsion spring 1, last ratchet 2, bottom ratchet wheel 3, ratchet 4, spring body 4a, armed lever 4b, hook 4c, trip(ping) lever 5, erection column 5a, fixed block 5b, support 6, brake axle 7, brake band 8, trimming bolt 9, angle β, length L 1, L2
The specific embodiment
Fig. 1～shown in Figure 8 is the embodiment of the clutch of the bionical hand rubbing clutch of a kind of automatic washing machine of the utility model.
As depicted in figs. 1 and 2, comprise torsion spring 1, go up ratchet 2, bottom ratchet wheel 3, ratchet 4, trip(ping) lever 5, support 6, brake axle 7, brake band 8, trimming bolt 9.Torsion spring 1 is installed in ratchet 2 and 3 li of bottom ratchet wheels, and the conversion that its role is to power is to realize the switching of washing machine washing and dehydration and other action.
Like Fig. 3 and shown in Figure 4, ratchet 4 is made up of spring body 4a and two armed lever 4b that stretch out thereof.Two armed lever 4b lay respectively at top and the bottom of spring body 4a, and its termination all is bending and forms hook 4c, and it is poroid that hook 4c bending is the plane, its constitute the parallel axes of plane and spring body 4a.The hook 4c of two armed lever 4b can be respectively and the corresponding engagement of external tooth of last ratchet 2, bottom ratchet wheel 3.
According to actual needs, just applicable to external tooth size and variform ratchet, help improving the stability of ratchet and ratchet engaged through the angle β between two armed lever 4b of conversion adjusting.Just can overcome its ratchet of prior art clutch when inserting or leaving ratchet through length L 1, the L2 that adjusts two armed lever 4b; Can not satisfy simultaneously and insert that tooth is identical, opening clearance is consistent and the tractive force of drain motor is required to try one's best little defective, help to improve the serviceability of washing machine.
Like Fig. 5 and shown in Figure 6, the termination of trip(ping) lever 5 is provided with erection column 5a and two fixed block 5b.The spring body 4a of ratchet 4 is enclosed within on the erection column 5a, and two armed lever 4b that stretch out pack into two fixed block 5b respectively and go up (seeing Fig. 7 and Fig. 8).
Trip(ping) lever 5 is contained on the brake axle 7, rotates through support 6 tractive trip(ping) levers 5 coiling moving axis 7, and then drives ratchet 4 and insert or break away from and go up ratchet 2 and bottom ratchet wheel 3, thereby realize separating pine and holding tightly of torsion spring 1, final washing and the dewatering state realized.Its course of work is following:
During the washing machine washing, the program control plate control of washing machine two-pass drain motor, first stroke that moves makes support 6 separate loose brake band 8, makes the braked wheel system be in initial solution pine state.At this moment washing machine inner tub and impeller do not receive the drag effect of external force, are in free state basically.Go up simultaneously ratchet 2 and bottom ratchet wheel 3 and ratchet 4, trip(ping) lever 5 is in original state, has no action, torsion spring 1 was in and separated loose state fully this moment.Subsequently, the program control plate control of washing machine drive motors is realized rotating, arrives speed-reducing clutch to transmission of power through belt.Under the interaction of the epicyclic train of clutch and current, washing machine inner tub and impeller are realized the washing or the rinsing action of bionical hand rubbing.
During laundry machine dehydration, support 6 rotates a certain angle trip(ping) lever 5 coiling moving axis 7 through trimming bolt 9, and 5 of trip(ping) levers pulling ratchet 4 makes hook 4c on the ratchet 4 detach the external tooth of ratchet 2 and bottom ratchet wheel 3.This moment, torsion spring 1 was in the state of holding tightly, and through the return action of self quiet torsion, on the path direction that it transmitted, torsion spring 1 can be transmission of power to washing machine inner tub.Subsequently, the program control plate control of washing machine drive motors one-directional rotation makes the rotation at a high speed of interior bucket through clutch, thereby reaches the purpose of laundry machine dehydration.
During the washing machine braking, accomplish washing, rinsing and departing from, take off under the state of lid in accident, the program control plate of washing machine cuts off the power supply of drain motor and drive motors at once.At this moment; Clutch is under the acting in conjunction of stand spring, trip(ping) lever spring restoring force; Trip(ping) lever 5 drives ratchets 4 and inserts and go up ratchet 2 and bottom ratchet wheel 3, makes torsion spring 1 separate pine fully, is fixed on washing machine inner tub on the clutch simultaneously under the effect of brakes; Realize braking function in short-term, and be to realize other function of washing machine ready (like washing and dehydration) next time.
Claims (3)
1. the clutch of the bionical hand rubbing clutch of automatic washing machine comprises torsion spring (1), goes up ratchet (2), bottom ratchet wheel (3), ratchet (4), trip(ping) lever (5); Said torsion spring (1) is arranged in ratchet (2) and the bottom ratchet wheel (3), and said trip(ping) lever (5) connects driving ratchet (4); It is characterized in that: said ratchet (4) is made up of spring body (4a) and two armed levers that stretch out (4b) thereof, and the termination of said two armed levers (4b) all is bending and forms hook (4c) and can be respectively and the corresponding engagement of external tooth of last ratchet (2), bottom ratchet wheel (3).
2. the clutch of the bionical hand rubbing clutch of automatic washing machine according to claim 1 is characterized in that: it is poroid that said hook (4c) is the plane, its constitute the parallel axes of plane and said spring body (4a).
3. the clutch of the bionical hand rubbing clutch of automatic washing machine according to claim 1; It is characterized in that: the termination of said trip(ping) lever (5) is provided with erection column (5a) and two fixed blocks (5b); The spring body (4a) of said ratchet (4) is enclosed within on the erection column (5a), and said (4) two armed levers that stretch out of ratchet (4b) pack into respectively on two fixed blocks (5b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220120943 CN202576931U (en) | 2012-03-27 | 2012-03-27 | Clutch mechanism of bionic hand-rubbing clutch for full-automatic washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220120943 CN202576931U (en) | 2012-03-27 | 2012-03-27 | Clutch mechanism of bionic hand-rubbing clutch for full-automatic washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202576931U true CN202576931U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220120943 Expired - Fee Related CN202576931U (en) | 2012-03-27 | 2012-03-27 | Clutch mechanism of bionic hand-rubbing clutch for full-automatic washing machine |
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| Country | Link |
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| CN (1) | CN202576931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227658A1 (en) * | 2018-05-29 | 2019-12-05 | 无锡小天鹅电器有限公司 | Drum washing machine |
-
2012
- 2012-03-27 CN CN 201220120943 patent/CN202576931U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227658A1 (en) * | 2018-05-29 | 2019-12-05 | 无锡小天鹅电器有限公司 | Drum washing machine |
| US11286607B2 (en) | 2018-05-29 | 2022-03-29 | Wuxi Little Swan Electric Co., Ltd. | Drum washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130327 |