CN203768672U - Washing machine speed reducing clutch - Google Patents
Washing machine speed reducing clutch Download PDFInfo
- Publication number
- CN203768672U CN203768672U CN201420125728.2U CN201420125728U CN203768672U CN 203768672 U CN203768672 U CN 203768672U CN 201420125728 U CN201420125728 U CN 201420125728U CN 203768672 U CN203768672 U CN 203768672U
- Authority
- CN
- China
- Prior art keywords
- brake
- brake arm
- clutch
- arm
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005406 washing Methods 0.000 title claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 10
- 230000018044 dehydration Effects 0.000 description 7
- 238000006297 dehydration reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The utility model discloses a washing machine speed reducing clutch which comprises a shell. An input shaft, an output shaft, a brake device and a clutch device are arranged in the shell, the input shaft and the output shaft are coaxial, a speed reducer is arranged between the input shaft and the output shaft, a dewatering shaft sleeves the output shaft, the brake device comprises a brake wheel, a brake band sleeves the brake wheel, a brake wheel cover is arranged at one end of the brake wheel deviating from the output shaft, the clutch device comprises a ratchet, a ratchet arm and a clutch holding spring, the clutch holding spring sleeves the input shaft, two ends of the clutch holding spring are linked with the ratchet, a brake arm pin and a brake arm sleeving the brake arm pin are arranged outside one side of the brake wheel close to the end of the brake band, the brake arm is linked with the ratchet arm, two ends of the brake band are connected with the brake arm, and brake arm pin hole walls are arranged at two ends of a brake arm pin hole to form a brake arm step. Gaps between the brake arm and the brake arm pin are decreased by the brake arm step of the washing machine speed reducing clutch, noise caused by movement of the brake band due to excessive gaps is avoided when the brake band performs dewatering, and working noise is reduced.
Description
Technical field
The utility model relates to washing machine technical field, is specifically related to a kind of decelerating clutch of washing machine.
Background technology
Decelerating clutch of washing machine is the main drive disk assembly in automatic washing machine, and effect is to reduce the rotating speed of motor and increase moment.Some decelerating clutch of washing machine of existing routine, brake apparatus is differential braking band, primary structure comprises deceleration device, dehydration transmission device, clutch device, is arranged on the brake apparatus on housing.Wherein, deceleration device is in transmission connection by belt pulley and power shaft, and torque transmissioning shaft cover is in transmission connection with planet circular system, planet circular system and the output shaft formation that is in transmission connection; Said dehydrating shaft transmission device is fastenedly connected by dehydrating shaft and braked wheel, torque transmissioning shaft cover and belt pulley and the power shaft formation that is in transmission connection.Arrangement of clutch is that ratchet is in transmission connection by pawl arm and brake arm, and the spring formation that is in transmission connection is embraced in ratchet and clutch; Brake apparatus is for hanging differential braking structure, and brake band is two clasping structure, brake arm and the brake band formation that is in transmission connection, and power shaft is arranged in brake axle, and output shaft is arranged in dehydrating shaft, and deceleration device is arranged in braked wheel.Speed-reducing clutch as above, its brake apparatus is differential braking structure, and during dehydration condition, brake band two ends are unsettled, and in free state, movement runs up, and easily there is vibration and produce noise in brake band, and then affects the service life of speed-reducing clutch.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides that a kind of high life, noise are low, the decelerating clutch of washing machine of low cost of manufacture.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of decelerating clutch of washing machine, comprise housing, in described housing, be provided with power shaft, output shaft, brake apparatus and arrangement of clutch, described power shaft and output shaft coaxially arrange, described output shaft is arranged with dehydrating shaft outward, between described power shaft and output shaft, be provided with decelerator, described brake apparatus comprises the braked wheel being arranged on outside decelerator, described braked wheel is arranged with brake band outward, one side of described braked wheel is connected with described dehydrating shaft, one end that described braked wheel deviates from output shaft is provided with braking wheel cap, the middle part of described braking wheel cap is set in outside described power shaft, described arrangement of clutch comprises ratchet, pawl arm is embraced spring with the clutch that can hold or unclamp power shaft tightly, described clutch is embraced spring and is set in outside described power shaft, two ends and the ratchet gearing of spring embraced in clutch, described braked wheel leans on a side of brake band end to be provided with brake arm pin and sleeve outward and is located at the brake arm on brake arm pin, described brake arm and the interlock of described pawl arm, the two ends of described brake band are connected with brake arm, described brake arm is provided with brake arm pin-and-hole, described brake arm is set on described brake arm pin by brake arm pin-and-hole, the both ends open place of described brake arm pin-and-hole is provided with the brake arm pin-and-hole hole wall towards hole extension, described brake arm pin-and-hole hole arm and described brake arm outside form brake arm step, described brake arm step and described spacing cooperation of brake band.
As preferably, on described brake arm pin, be arranged with Brake torsion spring, one end of described Brake torsion spring is connected with described brake arm, the other end of described Brake torsion spring is connected with described housing, the outside of the brake arm step of one end of described brake arm pin-and-hole and described housing offset, and another brake arm step of described brake arm and described Brake torsion spring offset.Adopt after above-mentioned preferred version, the setting of Brake torsion spring is convenient to help brake arm return, replys better effects if.
As preferably, described brake band is provided with brake band step by the lateral wall of its end, two ends, and described brake band step is provided with adjusting bolt, and described adjusting bolt is through described housing and penetrate in described brake band step.Adopt after above-mentioned preferred version, the structure of stating can play spacing effect to brake band.
As preferably, the side that described brake band step deviates from brake band is provided with rubber cushion blocks, and described adjusting bolt is successively through described housing, rubber cushion blocks and penetrate in described brake band step.Adopt after above-mentioned preferred version, above-mentioned structure can play spacing effect to brake band, effectively improves the washing machine noise that movement runs up and causes brake band vibrations to produce when dehydration.
As preferably, described power shaft is arranged with torque transmissioning shaft cover away from one end of output shaft, the middle part of described braking wheel cap is provided with the braking wheel cap minute wheel body extending towards deviating from output shaft direction, described braking wheel cap minute wheel body is set in outside described power shaft, described clutch embraces that spring is set in described torque transmissioning shaft cover and braking wheel cap minute wheel is external, is provided with braking wheel cap bearing between described braking wheel cap minute wheel body and housing.Adopt after above-mentioned preferred version, the better effects if that spring is held tightly or unclamped is embraced in clutch.
As preferably, in described braked wheel, be provided with braked wheel endoporus, described braked wheel endoporus is provided with involute teeth or the spline being squeezed into, described involute teeth or spline distribute along the hole inner periphery of braked wheel endoporus, and described decelerator and braked wheel coordinate by described involute teeth or splined.Adopt after above-mentioned preferred version, decelerator and braked wheel have not only increased bonding strength, and have reduced the manufacturing cost of speed-reducing clutch after coordinating by described involute teeth or splined, in the service life of having improved the utility model speed-reducing clutch, manufacturing cost is lower.
As preferably, between described dehydrating shaft and housing, be provided with dehydrating shaft bearing.Adopt after above-mentioned preferred version, output shaft is more smooth and easy relative to rotating of housing.
As preferably, described pawl arm and ratchet corresponding position are provided with ratchet.Adopt after above-mentioned preferred version, arranging of ratchet can realize pawl arm promotion or unclamp ratchet.
The brake arm pin-and-hole hole wall that the brake arm of decelerating clutch of washing machine of the present utility model coordinates with brake arm pin, forms brake arm step.Reduced the gap between brake arm and brake arm pin, avoided because of excesssive gap make brake band when dehydration play produce noise, reduced the operating noise of decelerating clutch of washing machine, also improved its high life simultaneously, reduced its low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment arrangement of clutch;
Fig. 3 is the structural representation of the utility model embodiment brake apparatus;
Fig. 4 is the structural representation of the utility model embodiment braked wheel.
The specific embodiment
As Figure 1-Figure 4, embodiment of the present utility model is a kind of decelerating clutch of washing machine specifically, comprises housing 1, is provided with power shaft 2, output shaft 3, brake apparatus 4 and arrangement of clutch 5 in housing 1.Power shaft 2 coaxially arranges with output shaft 3, and output shaft 3 is outer is arranged with dehydrating shaft 6, and output shaft 3 is movably arranged in dehydrating shaft 6.Between power shaft 2 and output shaft 3, be provided with decelerator 7.Brake apparatus 4 comprises the braked wheel 41 being arranged on outside decelerator 7.The outer brake band 42 that is arranged with of braked wheel 41.One side of braked wheel 41 is connected with dehydrating shaft 6.One end that braked wheel 41 deviates from output shaft 3 is provided with braking wheel cap 43.The middle part of braking wheel cap 43 is set in outside power shaft 2, and arrangement of clutch 5 comprises that ratchet 51, pawl arm 52 and clutch embrace spring 53, and spring 53 is embraced in clutch can hold or unclamp power shaft 2 tightly under the driving of pawl arm 52.Clutch is embraced spring 53 and is set in outside power shaft 2, and two ends and ratchet 51 interlocks of spring 53 are embraced in clutch, and braked wheel 41 is provided with brake arm pin 44 and brake arm 45 outward by a side of brake band 42 ends, and brake arm 45 is set in outside brake arm pin 44.Brake arm 45 and pawl arm 52 interlocks, the two ends of brake band 42 are connected with brake arm 45, and brake arm 45 is provided with brake arm pin-and-hole 451.Brake arm 45 is set on brake arm pin 44 by brake arm pin-and-hole 451.The both ends open place of brake arm pin-and-hole 451 is provided with the brake arm pin-and-hole hole wall 452 towards hole extension.Brake arm pin-and-hole hole arm 452 forms brake arm steps 453 with brake arm 45 outsides, brake arm step 453 and described spacing cooperation of brake band 42.
On brake arm pin 44, be arranged with Brake torsion spring 46, one end of Brake torsion spring 46 is connected with brake arm 45, the other end of Brake torsion spring 46 is connected with housing 1, outside and the housing 1 of the brake arm step 453 of one end of brake arm pin-and-hole 451 offset, and brake arm 45 another brake arm steps 453 offset with Brake torsion spring 46.
Brake band 42 is provided with brake band step 421 by the lateral wall of its end, two ends, and brake band step 421 is provided with adjusting bolt 422, and adjusting bolt 422 is through in housing the brake band step 421 that penetrates.The side that brake band step 421 deviates from brake band 42 is provided with rubber cushion blocks 423, and adjusting bolt 422 is passed successively housing 1,423 of rubber blankets and penetrated in brake band step 421.
Power shaft 2 is arranged with torque transmissioning shaft cover 21 away from one end of output shaft 3, the middle part of braking wheel cap 43 is provided with the braking wheel cap minute wheel body 431 extending towards deviating from output shaft 3 directions, braking wheel cap minute wheel body 431 is set in outside power shaft 2, clutch is embraced spring 53 and is set in outside torque transmissioning shaft cover 21 and braking wheel cap minute wheel body 431, is provided with braking wheel cap bearing 432 between braking wheel cap minute wheel body 431 and housing 1.
In braked wheel 41, be provided with braked wheel endoporus 411, braked wheel endoporus 411 is provided with the involute teeth 412 being squeezed into, and involute teeth 412 is uniformly distributed along the hole inner periphery of braked wheel endoporus 411, and decelerator 7 and braked wheel 41 are connected and coordinated by involute teeth 412.Between dehydrating shaft 6 and housing 1, be provided with dehydrating shaft bearing 31.Pawl arm 52 is provided with two ratchets 521 with ratchet 51 corresponding positions.
During washing, two ratchets 521 are cut ratchet 51 simultaneously, promote clutch and embrace spring 53 take-off the brake wheel caps 43 and torque transmissioning shaft cover 21, by driven by motor power shaft 2, do two-way rotation repeatedly, after deceleration by decelerator 7, drive output shaft 3 bidirectional rotations, drive agitation wheel for washing machine bidirectional rotation, realize washing operating mode.
During dehydration, arrangement of clutch 5 is externally under the manipulation of traction electric machine, brake arm 45 coiling swing arm pins 44 are opened, brake arm 45 promotes pawl arm 52 and opens, make two ratchets 521 in pawl arm 52 throw off ratchet 51 simultaneously, spring 53 obvolvent braking wheel caps 43 and torque transmissioning shaft cover 21 are embraced in clutch, three is connected, brake band 42 and arrangement of clutch 5 interlocks, under the transmission of brake arm 45, open brake band 42 and depart from braked wheel 41, make power shaft 2, braking wheel cap 43, braked wheel 41, it is an integral body that dehydrating shaft 6 and output shaft 3 connect, with high speed single direction rotation, reach centrifugal dehydration object, realize dehydration.
Claims (8)
1. a decelerating clutch of washing machine, comprise housing, in described housing, be provided with power shaft, output shaft, brake apparatus and arrangement of clutch, it is characterized in that: described power shaft and output shaft coaxially arrange, described output shaft is arranged with dehydrating shaft outward, between described power shaft and output shaft, be provided with decelerator, described brake apparatus comprises the braked wheel being arranged on outside decelerator, described braked wheel is arranged with brake band outward, one side of described braked wheel is connected with described dehydrating shaft, one end that described braked wheel deviates from output shaft is provided with braking wheel cap, the middle part of described braking wheel cap is set in outside described power shaft, described arrangement of clutch comprises ratchet, pawl arm is embraced spring with the clutch that can hold or unclamp power shaft tightly, described clutch is embraced spring and is set in outside described power shaft, two ends and the ratchet gearing of spring embraced in clutch, described braked wheel leans on a side of brake band end to be provided with brake arm pin and sleeve outward and is located at the brake arm on brake arm pin, described brake arm and the interlock of described pawl arm, the two ends of described brake band are connected with brake arm, described brake arm is provided with brake arm pin-and-hole, described brake arm is set on described brake arm pin by brake arm pin-and-hole, the both ends open place of described brake arm pin-and-hole is provided with the brake arm pin-and-hole hole wall towards hole extension, described brake arm pin-and-hole hole arm and described brake arm outside form brake arm step, described brake arm step and described spacing cooperation of brake band.
2. decelerating clutch of washing machine according to claim 1, it is characterized in that: on described brake arm pin, be arranged with Brake torsion spring, one end of described Brake torsion spring is connected with described brake arm, the other end of described Brake torsion spring is connected with described housing, the outside of the brake arm step of one end of described brake arm pin-and-hole and described housing offset, and another brake arm step of described brake arm and described Brake torsion spring offset.
3. decelerating clutch of washing machine according to claim 1, it is characterized in that: described brake band is provided with brake band step by the lateral wall of its end, two ends, described brake band step is provided with adjusting bolt, in the brake band step of described adjusting bolt through described housing and described in penetrating.
4. decelerating clutch of washing machine according to claim 3, it is characterized in that: the side that described brake band step deviates from brake band is provided with rubber cushion blocks, described adjusting bolt is passed successively described housing, rubber cushion blocks and is penetrated in described brake band step.
5. decelerating clutch of washing machine according to claim 1, it is characterized in that: described power shaft is arranged with torque transmissioning shaft cover away from one end of output shaft, the middle part of described braking wheel cap is provided with the braking wheel cap minute wheel body extending towards deviating from output shaft direction, described braking wheel cap minute wheel body is set in outside described power shaft, described clutch embraces that spring is set in described torque transmissioning shaft cover and braking wheel cap minute wheel is external, is provided with braking wheel cap bearing between described braking wheel cap minute wheel body and housing.
6. decelerating clutch of washing machine according to claim 1 or 5, it is characterized in that: in described braked wheel, be provided with braked wheel endoporus, described braked wheel endoporus is provided with involute teeth or the spline being squeezed into, described involute teeth or spline distribute along the hole inner periphery of braked wheel endoporus, and described decelerator and braked wheel coordinate by described involute teeth or splined.
7. decelerating clutch of washing machine according to claim 1, is characterized in that: between described dehydrating shaft and housing, be provided with dehydrating shaft bearing.
8. decelerating clutch of washing machine according to claim 1, is characterized in that: described pawl arm and ratchet corresponding position are provided with ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125728.2U CN203768672U (en) | 2014-03-20 | 2014-03-20 | Washing machine speed reducing clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125728.2U CN203768672U (en) | 2014-03-20 | 2014-03-20 | Washing machine speed reducing clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203768672U true CN203768672U (en) | 2014-08-13 |
Family
ID=51285880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420125728.2U Expired - Lifetime CN203768672U (en) | 2014-03-20 | 2014-03-20 | Washing machine speed reducing clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203768672U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022879A (en) * | 2016-02-01 | 2017-08-08 | 浙江三星机电股份有限公司 | A kind of decelerating clutch of washing machine |
| CN107022878A (en) * | 2017-04-18 | 2017-08-08 | 青岛海尔洗衣机有限公司 | Decelerator for washing machine and washing machine |
| CN107022874A (en) * | 2016-02-01 | 2017-08-08 | 浙江三星机电股份有限公司 | A kind of washing machine clutch for clutch control method and speed-reducing clutch |
| CN112575541A (en) * | 2019-09-27 | 2021-03-30 | 青岛海尔洗衣机有限公司 | Speed reduction clutch and washing machine |
-
2014
- 2014-03-20 CN CN201420125728.2U patent/CN203768672U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022879A (en) * | 2016-02-01 | 2017-08-08 | 浙江三星机电股份有限公司 | A kind of decelerating clutch of washing machine |
| CN107022874A (en) * | 2016-02-01 | 2017-08-08 | 浙江三星机电股份有限公司 | A kind of washing machine clutch for clutch control method and speed-reducing clutch |
| CN107022879B (en) * | 2016-02-01 | 2023-03-10 | 浙江三星机电股份有限公司 | Washing machine speed reduction clutch |
| CN107022874B (en) * | 2016-02-01 | 2023-04-07 | 浙江三星机电股份有限公司 | Clutch control method for washing machine and speed reduction clutch |
| CN107022878A (en) * | 2017-04-18 | 2017-08-08 | 青岛海尔洗衣机有限公司 | Decelerator for washing machine and washing machine |
| CN107022878B (en) * | 2017-04-18 | 2021-10-22 | 青岛海尔洗衣机有限公司 | Washing machine speed reducer and washing machine |
| CN112575541A (en) * | 2019-09-27 | 2021-03-30 | 青岛海尔洗衣机有限公司 | Speed reduction clutch and washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |