CN205636210U - Retarding clutch for washing machine - Google Patents
Retarding clutch for washing machine Download PDFInfo
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- CN205636210U CN205636210U CN201620480501.9U CN201620480501U CN205636210U CN 205636210 U CN205636210 U CN 205636210U CN 201620480501 U CN201620480501 U CN 201620480501U CN 205636210 U CN205636210 U CN 205636210U
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- ratchet
- clutch
- protruding ring
- spring
- output shaft
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Abstract
The embodiment of the utility model discloses retarding clutch for washing machine, the speed reduction clutch includes: the casing is equipped with input shaft, output shaft, braking portion and separation and reunion portion in, bucket axle in input shaft and the coaxial setting of output shaft, output shaft overcoat are equipped with is including the output shaft movable mounting in the bucket axle, be equipped with speed reducer structure between input shaft and the output shaft, separation and reunion portion includes ratchet, pawl and separation and reunion armful spring, and a spring is embraced in the separation and reunion can hold or loosen the input shaft tightly under the drive of pawl, the protruding muscle that has evenly distributed on the inner wall of ratchet. The ratchet inner wall has protruding muscle for the friction that ratchet and separation and reunion were embraced between the spring reduces, improves the life of ratchet, increases the intensity of ratchet, and provide the oil storage space in the ratchet.
Description
Technical field
This utility model relates to a kind of decelerating clutch of washing machine, is specifically related to a kind of ratchet tool
There is the decelerating clutch of washing machine of raised ribs.
Background technology
Decelerating clutch of washing machine is the primary drive parts in washing machine, and effect is that reduction is electronic
The rotating speed of machine and increase moment.Some decelerating clutch of washing machine of existing routine, brake unit
For differential braking band, primary structure includes deceleration device, dehydration actuating device, clutch
Device, the brake unit being arranged on housing.Wherein, deceleration device is by belt pulley and power shaft
Being in transmission connection, torque transmissioning shaft set is in transmission connection with planet circular system, and planet circular system is with output shaft transmission even
Connect composition；Described dehydrating shaft actuating device is fastenedly connected with braked wheel by dehydrating shaft, torque transmissioning shaft
Set and belt pulley and power shaft are in transmission connection composition.Arrangement of clutch is that ratchet passes through ratchet and system
Swing arm is in transmission connection, and ratchet and clutch are embraced spring and be in transmission connection composition；Brake unit is differential for hanging
Formula brake structure, brake band is two clasping structure, and brake arm and brake band are in transmission connection composition,
Power shaft is arranged in brake axle, and output shaft is arranged in dehydrating shaft, and deceleration device is arranged on
In braked wheel.Speed-reducing clutch as above, its ratchet sleeve is embraced outside spring in clutch so that
Ratchet is easy to embrace spring with clutch and produces friction, can cut down the service life of ratchet, and due to
It is metal material that spring is embraced in clutch, gets rusty easily.
Utility model content
A purpose of the present utility model is the washing machine providing a kind of ratchet to have raised ribs
Speed-reducing clutch so that ratchet and clutch are embraced the friction between spring and reduced, and improve the use of ratchet
In the life-span, increase the intensity of ratchet, on the other hand oil storage space is provided in ratchet, embraces for clutch
Spring provides the storage of lubricating oil.
Specifically, this utility model is achieved by the following technical solution:
A kind of decelerating clutch of washing machine, described speed-reducing clutch includes:
Housing, is provided with power shaft, output shaft, braking parts and clutch part in housing；
Power shaft is coaxially disposed with output shaft, is arranged with interior bucket axle, output shaft outside output shaft
It is movably arranged in interior bucket axle；
Slowing-down structure it is provided with between power shaft and output shaft；
Clutch part includes that spring is embraced in ratchet, ratchet and clutch, and spring is embraced in clutch can be at ratchet
Hold tightly under driving or unclamp power shaft；
Described ratchet includes ratchet body, the first protruding ring and the second protruding ring, described
One protruding ring and the second protruding ring are separately positioned on the both sides of ratchet body, and described ratchet is originally
Having a plurality of raised ribs on the inwall of body, described raised ribs is interior with described second protruding ring
Wall is concordant.
Oil storage space or fixing groove is formed between described adjacent protrusion muscle.
Described fixing groove is formed by the raised ribs of two next-door neighbours；
Described clutch is embraced one end of spring and is had fixing bar, and the fixing bar energy of spring is embraced in described clutch
The enough inside extending into described ratchet along described fixing groove slidably.
Inside described second protruding ring, there is second consistent with described fixing well width
Protruding ring breach, described fixing groove is connected with described second protruding ring breach.
Opposite side at described second protruding ring is provided with the 3rd protruding ring, described 3rd convex
Rising and have fixed gap on ring, the fixing bar of spring is embraced in clutch can embrace spring along described clutch
After fixing groove extend into the inside of described ratchet slidably, from described 3rd protruding ring
Fixed gap is exposed.
The quantity of described raised ribs is 7～14；
Meanwhile, described raised ribs is at the ratio of the protruding height of ratchet inwall with ratchet internal diameter
Between 1:15～1:6.
The quantity of described raised ribs is 8～12；
Meanwhile, described raised ribs is at the ratio of the protruding height of ratchet inwall with ratchet internal diameter
Between 1:12～1:8.
The beneficial effects of the utility model are: (1) makes ratchet and clutch embrace the friction between spring
Reduce, improve the service life of ratchet, increase the intensity of ratchet.(2) in ratchet, storage is provided
Oil space, embraces spring for clutch and provides the storage of lubricating oil.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art,
The accompanying drawing used required in embodiment or description of the prior art will be briefly described below,
It should be evident that the accompanying drawing in describing below is only embodiments more of the present utility model, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
A kind of deceleration clutch structure of washing-machine that Fig. 1 provides for this utility model embodiment
Schematic diagram；
Fig. 2 is the first schematic diagram of the ratchet with raised ribs；
Fig. 3 is the second schematic diagram of the ratchet with raised ribs.
Description of reference numerals
For the company between structure of the present utility model and each parts is the most clearly described
Connect relation, give the following drawings labelling, and be illustrated.
1, housing；2, power shaft；3, output shaft；4, braking parts；41, brake wheel；
42, brake ribbon；43, brake wheel cap；44, brake arm pin；45, brake arm；451、
Brake arm pin-and-hole；5, clutch part；51, ratchet；510, ratchet body；511, spine
Tooth；512, raised ribs；5121, fixing groove；513, the first protruding ring；514,
Two protruding rings；5141, the second protruding ring breach；515, the 3rd protruding ring；5151、
Fixed gap；52, ratchet；53, spring is embraced in clutch；6, interior bucket axle；7, slowing-down structure.
By above-mentioned description of reference numerals, in conjunction with embodiment of the present utility model, Ke Yigeng
Add and be clearly understood from and the technical solution of the utility model is described.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents at accompanying drawing
In.When explained below relates to accompanying drawing, unless otherwise indicated, identical in different accompanying drawings
Numeral represents same or analogous key element.Enforcement described in following exemplary embodiment
Mode does not represent all embodiments consistent with this utility model.On the contrary, they
Only with describe in detail in appended claims, phase in terms of more of the present utility model
The example of consistent apparatus and method.
The term used at this utility model is only merely for the mesh describing specific embodiment
, and it is not intended to be limiting this utility model.At this utility model and appended claims
Used in " a kind of ", " described " and " being somebody's turn to do " of singulative be also intended to include many
Number form formula, unless context clearly shows that other implications.It is also understood that herein
Use term "and/or" refer to and comprise one or more be associated list project
Any or all may combination.
Although should be appreciated that this utility model may use term first, second, the
Third describe various information, but these information should not necessarily be limited by these terms.These terms
Only it is used for same type of information is distinguished from each other out.Such as, new without departing from this practicality
In the case of type scope, the first information can also be referred to as the second information, similarly,
Two information can also be referred to as the first information.Depend on linguistic context, word as used in this
Language " if " can be construed to " ... time " or " when ... " or " ring
Should be in determining ".
Hereinafter by embodiment, this utility model will be described in detail.
As it is shown in figure 1, specifically a kind of washing machine deceleration of embodiment of the present utility model from
Clutch, including housing 1, is provided with power shaft 2, output shaft 3, braking parts 4 in housing 1
With clutch part 5.Power shaft 2 is coaxially disposed with output shaft 3, is arranged with outside output shaft 3
Interior bucket axle 6, output shaft 3 is movably arranged in interior bucket axle 6.Power shaft 2 and output shaft
Slowing-down structure 7 it is provided with between 3.Braking parts 4 includes being arranged on stopping outside slowing-down structure 7
Wheel 41.Brake ribbon 42 it is arranged with outside brake wheel 41.The side of brake wheel 41 is with interior
Bucket axle 6 connects.Brake wheel 41 deviates from one end of output shaft 3 and is provided with brake wheel cap 43.
Brake wheel cap 43 middle part be set in outside power shaft 2, clutch part 5 include ratchet 51,
Spring 53 is embraced in ratchet 52 and clutch, and clutch is embraced spring 53 and can be embraced under the driving of ratchet 52
Tight or unclamp power shaft 2.Clutch is embraced spring 53 and is set in outside power shaft 2, and spring is embraced in clutch
Link with ratchet 51 in the two ends of 53, outside brake wheel 41 is by the side of brake ribbon 42 end
Being provided with brake arm pin 44 and brake arm 45, brake arm 45 is set in outside brake arm pin 44.
Brake arm 45 links with ratchet 52, and the two ends of brake ribbon 42 are connected with brake arm 45,
Brake arm 45 is provided with brake arm pin-and-hole 451.Brake arm 45 is by brake arm pin-and-hole 451
It is set on brake arm pin 44.
Be arranged with Brake torsion spring 46 on brake arm pin 44, one end of Brake torsion spring 46 with
Brake arm 45 connects, and the other end of Brake torsion spring 46 is connected with housing 1.
Power shaft 2 is arranged with torque transmissioning shaft set 21, brake wheel away from one end of output shaft 3
The middle part of lid 43 is provided with towards deviating from the brake wheel cap minute wheel body 431 that output shaft 3 direction extends,
Brake wheel cap minute wheel body 431 is set in outside power shaft 2, and clutch is embraced spring 53 and is set in biography
Outside square axle sleeve 21 and brake wheel cap minute wheel body 431, brake wheel cap minute wheel body 431 and shell
Brake wheel cap bearing 432 it is provided with between body 1.
During washing, ratchet 52 cuts ratchet 51, promotes clutch to embrace spring 53 releasing of brake
Wheel cap 43 overlaps 21 with torque transmissioning shaft, driven by motor power shaft 2 make two-way repeatedly to rotate,
By driving output shaft 3 bidirectional rotation after the deceleration of reducing gear 7, drive Washing machine wave
Wheel bidirectional rotation, it is achieved washing operating mode.
During dehydration, clutch part 5, under the manipulation of outside traction electric machine, makes brake arm 45
Opening around brake arm pin 44, brake arm 45 promotes ratchet 52 to open, and makes ratchet 52 take off
Driving ratchet 51, spring 53 obvolvent brake wheel cap 43 and torque transmissioning shaft set 21, three are embraced in clutch
Being connected, brake ribbon 42 links with clutch part 5, beats under the transmission of brake arm 45
Open brake ribbon 42 and depart from brake wheel 41, make power shaft 2, brake wheel cap 43, brake wheel
41, interior bucket axle 6 and output shaft 3 couple is one overall, with high speed single direction rotation reach from
Heart dehydration purpose, it is achieved dehydration.
Further, as shown in Figures 2 and 3, ratchet 51 include ratchet body 510,
First protruding ring 513 and the second protruding ring 514, described first protruding ring 513 and second
Protruding ring 514 is separately positioned on the both sides of ratchet body 510, at described second protruding ring
The opposite side of 514 is additionally provided with the 3rd protruding ring 515.Have on the outer wall of described ratchet 51
Having equally distributed ratchet 511, the cross section of described ratchet 511 is triangle, and institute
State ratchet 511 all to offset to identical clockwise；The inwall of described ratchet body 510
Diameter embraces the diameter of spring 53 more than described clutch, on the inwall of described ratchet body 510
There is a plurality of raised ribs 512, play the effect increasing ratchet intensity.Described raised ribs 512
Described ratchet 51 described clutch be can be movably fixed to and the outside of spring 53, and institute embraced
State and between adjacent protrusion muscle 512, form oil storage space or fixing groove 5121, oil storage space
For storing solid lubrication oil and the like, fixing groove is by the raised ribs shape of two next-door neighbours
Become；Described clutch is embraced one end of spring 53 and is had fixing bar, and the fixing of spring is embraced in described clutch
Bar can extend into the inside of described ratchet 51 slidably along described fixing groove 5121；
Have the first protruding ring 513 in the side, lower section of described ratchet 51, described first is protruding
The internal diameter of ring 513 is identical with the internal diameter of ratchet body, and described first protruding ring 513 can
Wrap up described clutch and embrace spring 53, further clutch is embraced spring 53 and protects.
Further, the opposite side at described ratchet body 510 has the second protruding ring
514, the interior diameter of a circle that described a plurality of raised ribs is surrounded and described second protruding ring
Internal diameter is identical, and the most described raised ribs is concordant with the inwall of described second protruding ring, described
Inside second protruding ring 514, there is second consistent with described fixing groove 5121 width
Protruding ring breach 5141 so that described fixing groove 5121 and described second protruding ring breach
5141 connections, described clutch is embraced the fixing bar of spring 53 and is embraced spring 53 admittedly along described clutch
After determining the inside that groove 5121 extend into described ratchet 51 slidably, further pass through described
Second protruding ring breach 5141, exposes from the edge of described second protruding ring 514；
Side relative with ratchet body on described second protruding ring 514, is coaxially arranged with
3rd protruding ring 515；The internal diameter of described 3rd protruding ring is less than the internal diameter of the second protruding ring,
On described 3rd protruding ring 515, there is fixed gap 5151, be used for placing described from described
The fixing bar of spring 53 is embraced in the clutch that the edge of the second protruding ring 514 exposes, and plays fixing institute
State the effect of fixing bar.
Described ratchet can bear the lubrication face that deformation intensity has with described oil storage space
Between Ji actual consider under, there is the empirical value functional relationship shown in following formula:
Empirical value=(30* (intensive parameter-7/15)-9) * (40/3* (lubrication parameter
-13/10)+9)+50,
Wherein, described intensive parameter is: under different raised ribs quantity, described ratchet institute
The maximum stress that can bear when being 16 with raised ribs quantity described ratchet can bear
The ratio of big stress；Described lubrication parameter is: under different raised ribs quantity, described spine
The oil storage of described ratchet when the base area of the oil storage space of wheel and raised ribs quantity are 1
The ratio of the base area in space；Described empirical value is the biggest, and ratchet is bearing deformation and tool
There is the balance between lubrication area the best.
According to the difference of ratchet raised ribs quantity, have intensive parameter as shown in table 1 below,
Relation between lubrication parameter and empirical value:
| Sequence number | Raised ribs quantity | Intensive parameter | Lubrication parameter | Empirical value |
| 1 | 4 | 0.60 | 1.00 | 25.00 |
| 2 | 5 | 0.62 | 0.92 | 32.51 |
| 3 | 6 | 0.66 | 0.84 | 40.56 |
| 4 | 7 | 0.68 | 0.76 | 45.00 |
| 5 | 8 | 0.74 | 0.69 | 49.28 |
| 6 | 9 | 0.76 | 0.61 | 50.02 |
| 7 | 10 | 0.80 | 0.53 | 48.84 |
| 8 | 11 | 0.82 | 0.46 | 46.51 |
| 9 | 12 | 0.86 | 0.38 | 41.02 |
| 10 | 13 | 0.90 | 0.30 | 33.07 |
| 11 | 14 | 0.94 | 0.23 | 22.66 |
| 12 | 15 | 0.96 | 0.15 | 13.56 |
| 13 | 16 | 1.00 | 0.07 | -1.15 |
Table 1
From table 1, when raised ribs quantity is 7～14, described empirical value is higher,
I.e. ratchet bear deformation and have lubrication area between balance preferable.Further,
When raised ribs quantity is 8～12, described empirical value is all more than 40, and ratchet is bearing
Deformation and the balance having between lubrication area are more excellent.
Described raised ribs is at the Gao Jing of the protruding height of ratchet inwall with ratchet internal diameter diameter
Ratio is the biggest, and the diameter of required ratchet is the biggest, accordingly, during torsion spring ratchet to be stirred
The required arc length rotated is the biggest, and the adaptability i.e. needing described torsion spring is the biggest, fixed
Justice moment of torsion adaptability parameter is: when ratchet is stirred identical angle, ratchet outer wall turns over
Arc length and clutch embrace the ratio of the arc length that spring turns over；And described ratio of height to diameter is the biggest, protruding
The oil reserve of the oil storage space formed between muscle the most also increases, it is possible to the lubrication of storage
Oil is the most, owing to size and the described ratio of height to diameter of described oil storage space are linear positive correlation,
Can directly define oil reserve parameter is described ratio of height to diameter, in order to represent the relative of oil reserve
Size.Relation between described ratio of height to diameter, moment of torsion adaptability parameter and oil reserve parameter is such as
Shown in table 2.
| Sequence number | Ratio of height to diameter | Moment of torsion adaptability parameter | Oil reserve parameter |
| 1 | 1:16 | 74.78 | 0.06 |
| 2 | 1:15 | 71.00 | 0.07 |
| 3 | 1:14 | 67.11 | 0.07 |
| 4 | 1:13 | 63.11 | 0.08 |
| 5 | 1:12 | 59.00 | 0.08 |
| 6 | 1:11 | 54.77 | 0.09 |
| 7 | 1:10 | 50.42 | 0.10 |
| 8 | 1:9 | 45.95 | 0.11 |
| 9 | 1:8 | 41.35 | 0.13 |
| 10 | 1:7 | 36.61 | 0.14 |
| 11 | 1:6 | 31.72 | 0.16 |
| 12 | 1:5 | 26.69 | 0.20 |
| 13 | 1:4 | 21.50 | 0.25 |
Table 2
In practice, it is desirable to described moment of torsion adaptability parameter is more than 30, oil reserve parameter
More than 0.07, the most described raised ribs is at the height of the protruding height of ratchet inwall with internal diameter diameter
Footpath ratio should between 1:15～1:6 preferably.Further, it is desirable to described moment of torsion adaptability is joined
Number is more than 40, and oil reserve parameter is more than 0.08, and the most described raised ribs is convex at ratchet inwall
The height risen and the ratio of height to diameter of internal diameter diameter should have preferably effect between 1:12～1:8
Really.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this reality
With novel, all within spirit of the present utility model and principle, any amendment of being made,
Equivalent, improvement etc., should be included within the scope of this utility model protection.
Claims (7)
1. a decelerating clutch of washing machine, it is characterised in that described speed-reducing clutch includes:
Housing (1), is provided with power shaft (2), output shaft (3), braking parts (4) and clutch part (5) in housing (1)；
Power shaft (2) is coaxially disposed with output shaft (3), is arranged with interior bucket axle (6) outside output shaft (3), and output shaft (3) is movably arranged in interior bucket axle (6);
Slowing-down structure (7) it is provided with between power shaft (2) and output shaft (3);
Clutch part (5) includes that spring (53) is embraced in ratchet (51), ratchet (52) and clutch, and clutch is embraced spring (53) and can be held tightly under the driving of ratchet (52) or unclamp power shaft (2)；
Described ratchet (51) includes ratchet body (510), the first protruding ring (513) and the second protruding ring (514), described first protruding ring (513) and the second protruding ring (514) are separately positioned on the both sides of ratchet body (510), having a plurality of raised ribs (512) on the inwall of described ratchet body, described raised ribs is concordant with the inwall of described second protruding ring.
Speed-reducing clutch the most according to claim 1, it is characterised in that:
Oil storage space or fixing groove (5121) is formed between adjacent protrusion muscle (512).
Speed-reducing clutch the most according to claim 1, it is characterised in that:
Fixing groove (5121) is formed by the raised ribs of two next-door neighbours；
Described clutch is embraced one end of spring (53) and is had fixing bar, and the fixing bar of spring is embraced in described clutch can extend into the inside of described ratchet (51) slidably along described fixing groove (5121).
Speed-reducing clutch the most according to claim 3, it is characterised in that:
In described second protruding ring (514) inner side, having the second protruding ring breach (5141) consistent with described fixing groove (5121) width, described fixing groove (5121) is connected with described second protruding ring breach (5141).
Speed-reducing clutch the most according to claim 1, it is characterised in that:
Opposite side described second protruding ring (514) is provided with the 3rd protruding ring (515), on described 3rd protruding ring (515), there is fixed gap (5151), clutch is embraced after the fixing bar of spring (53) can embrace, along described clutch, the inside that the fixing groove (5121) of spring (53) extend into described ratchet (51) slidably, and the fixed gap (5151) from described 3rd protruding ring (515) is exposed.
Speed-reducing clutch the most according to claim 1, it is characterised in that:
The quantity of described raised ribs (512) is 7 ~ 14；
Meanwhile, described raised ribs at the ratio of the protruding height of ratchet inwall and ratchet internal diameter between 1:15 ~ 1:6.
Speed-reducing clutch the most according to claim 6, it is characterised in that:
The quantity of described raised ribs (512) is 8 ~ 12；
Meanwhile, described raised ribs at the ratio of the protruding height of ratchet inwall and ratchet internal diameter between 1:12 ~ 1:8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480501.9U CN205636210U (en) | 2016-05-19 | 2016-05-19 | Retarding clutch for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480501.9U CN205636210U (en) | 2016-05-19 | 2016-05-19 | Retarding clutch for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205636210U true CN205636210U (en) | 2016-10-12 |
Family
ID=57055784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620480501.9U Active CN205636210U (en) | 2016-05-19 | 2016-05-19 | Retarding clutch for washing machine |
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| Country | Link |
|---|---|
| CN (1) | CN205636210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296668A (en) * | 2017-07-25 | 2019-02-01 | 乌兰浩特市顺源农牧机械制造有限公司 | A kind of agricultural seeding machine land wheel clutch apparatus |
-
2016
- 2016-05-19 CN CN201620480501.9U patent/CN205636210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296668A (en) * | 2017-07-25 | 2019-02-01 | 乌兰浩特市顺源农牧机械制造有限公司 | A kind of agricultural seeding machine land wheel clutch apparatus |
| CN109296668B (en) * | 2017-07-25 | 2024-04-26 | 乌兰浩特市顺源农牧机械制造有限公司 | Land wheel clutch device of agricultural seeder |
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Effective date of registration: 20211210 Address after: 242371 No. 16, Chuangye North Road, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee after: NINGGUO JULONG REDUCER Co.,Ltd. Address before: 242399 No. 16 Pioneering North Road, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee before: Anhui Julong Transmission Technology Co.,Ltd. |