CN202298224U - Double-stroke traction device for washing machine - Google Patents
Double-stroke traction device for washing machine Download PDFInfo
- Publication number
- CN202298224U CN202298224U CN201120399548XU CN201120399548U CN202298224U CN 202298224 U CN202298224 U CN 202298224U CN 201120399548X U CN201120399548X U CN 201120399548XU CN 201120399548 U CN201120399548 U CN 201120399548U CN 202298224 U CN202298224 U CN 202298224U
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Abstract
The utility model relates to a double-stroke traction device for a washing machine. The double-stroke traction device for the washing machine comprises a synchronous drive motor, wherein an output shaft of the synchronous drive motor is connected with an input end of a planetary gear mechanism, and an output end of the planetary gear mechanism is connected with a first output gear; the first output gear is meshed with a second output gear, and the second output gear is meshed with output teeth; the output teeth are linked with a rack or a steel wire rope, and an induction part comprises an induction synchronous motor; an induction ring used for generating constant torque according to a rotating magnetic field generated by uniform rotation of a rotor is arranged at the outer side of the rotor of the induction synchronous motor, and the induction ring can be rotatably arranged at the bottom of the rotor of the induction synchronous motor; a second transmission gear on the induction ring is meshed with a stop gear, and a first reverse stop used for preventing a motor from reversing is arranged on the stop gear; the stop gear is meshed with one end of a stop lever, and the other end of the stop lever is matched with a stop wheel assembly to realize the stop function; and a stop spring is arranged at a fulcrum of the stop lever. The double-stroke traction device for the washing machine has good stability and long service life.
Description
Technical field
The utility model belongs to the washing machine tractor.
Background technology
The tractor stop mechanism of existing washing machine is divided into two kinds: a kind of is to be stop mechanism to induce magnet steel, to induce ring, and it relies on same motor-driven, can only realize that one-stroke draws.Second kind be with relay for being stop mechanism, through the two-pass tractor of stroke cam and reed control, but because the misoperation of relay and the problem in service life of relay are affected the stability of tractor and service life.
Summary of the invention
For the poor stability that overcomes existing washing machine tractor, the deficiency that lack service life, the utility model provides a kind of and has good stability, the washing machine two-pass tractor of long service life.
The utility model solves the technical scheme that its technical problem adopted:
A kind of washing machine two-pass tractor comprises synchronous driving motor, and the output shaft of said synchronous driving motor is connected with the input of planetary gears; The output of said planetary gears is connected with first output gear; Said first output gear and the engagement of second output gear, said second output gear and the tooth engagement of exerting oneself, said exert oneself tooth and tooth bar or steel wire rope interlock; Said tractor also comprises induces part; The said part of inducing comprises and induces synchronous motor, and the ring of inducing that the rotating excitation field that is produced in order to the uniform rotation according to rotor produces constant moment is installed in the said rotor outside of synchronous motor of inducing, and the said ring of inducing is installed in rotation on the rotor bottom of inducing synchronous motor; Said second travelling gear and stopping gear engagement of inducing on the ring; Install on the said stopping gear in order to prevent that first reverse that motor reverses from ending, an end of said stopping gear and locking lever meshes, and the other end of said locking lever cooperates with the stopping wheel assembly realizes locking function; Ring spring is installed at the fulcrum place of said locking lever, and said stopping wheel assembly cooperates with the gear ring external tooth of said planetary gears.
Further; Said planetary gears comprises sun gear, planetary gear, gear ring and driving-disc, said sun gear and planetary gear engagement, the internal tooth engagement of said planetary gear and said gear ring; Said planetary gear is installed on the said driving-disc; The 3rd travelling gear is installed on the output shaft of said synchronous driving motor, and said the 3rd travelling gear and the engagement of said sun gear are installed on the said sun gear in order to prevent that second reverse that motor reverses from ending; The 4th travelling gear of said driving-disc and the engagement of said first output gear, the external tooth of said gear ring and the engagement of said stopping wheel assembly.
Further again, the said synchronous motor of inducing is the shaded-pole synchronous motor.
Further, on the said stopping wheel assembly inertia plate is installed.
The beneficial effect of the utility model mainly shows: prevent effectively that 1, motor from reversing, and guarantees the tractor operate as normal; 2, tractor induces that departmental cost is low, structure is light and handy, energy consumption is little, long service life, reliable and stable.This tractor profile is less to be convenient to the client and to install.。
Description of drawings
Fig. 1 is the structure chart of the washing machine two-pass tractor of the utility model.
Fig. 2 is the structural representation of inducing part.
Fig. 3 is a stop deceleration part structural representation.
Fig. 4 is the sketch map of output gear.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1～Fig. 4; A kind of washing machine two-pass tractor comprises synchronous driving motor 1, and the output shaft of said synchronous driving motor 1 is connected with the input of planetary gears; The output of said planetary gears is connected with first output gear 8; Said first output gear 8 and 9 engagements of second output gear, said second output gear 9 and tooth 19 engagements of exerting oneself, said exert oneself tooth 19 and tooth bar or steel wire rope 20 interlocks; Said tractor also comprises induces part; The said part of inducing comprises and induces synchronous motor 10, and what the said rotor outside of inducing synchronous motor 10 installed that the rotating excitation field that is produced in order to the uniform rotation according to rotor produces constant moment induces ring 11, and the said ring 11 of inducing is installed in rotation on the rotor bottom of inducing synchronous motor; Said second travelling gear and stopping gear 13 engagements of inducing on the ring 11; Install on the said stopping gear 13 in order to prevent that first of motor reverse from reversing and end 12, the end engagement of said stopping gear 13 and locking lever 14, the other end of said locking lever 14 cooperates the realization locking function with stopping wheel assembly 7; Ring spring 15 is installed at the fulcrum place of said locking lever 14, and said stopping wheel assembly 7 cooperates with the external tooth of the gear ring 4 of said planetary gears.
Said planetary gears comprises sun gear 3, planetary gear 5, gear ring 4 and driving-disc 6; Said sun gear 3 and planetary gear 5 engagements; Said planetary gear 5 meshes with the internal tooth of said gear ring 4, and said planetary gear 5 is installed on the said driving-disc 6, and the 3rd travelling gear is installed on the output shaft of said synchronous driving motor 1; Said the 3rd travelling gear and 3 engagements of said sun gear; Install on the said sun gear 3 in order to prevent that second reverse that motor reverses from ending 2, the 4th travelling gear of said driving-disc 6 and 8 engagements of said first output gear, the external tooth of said gear ring 4 and 7 engagements of said stopping wheel assembly.
The said synchronous motor 10 of inducing is the shaded-pole synchronous motor.On the said stopping wheel assembly 7 inertia plate is installed.
First of the utility model only reverses and 12 can effectively prevent to induce synchronous motor 10 to reverse, and guarantees to induce the direction of rotation of ring 11 constant; Induce ring 11 under the rotating excitation field of inducing synchronous motor 10 uniform rotation to produce drives, to produce constant moment;
The utility model is 11 to be stop mechanism to induce synchronous motor 10, to induce ring; By inducing ring 11 to drive stopping gear 13; Stopping gear 13 drives the pulling force action that locking levers 14 overcome ring spring 15, and it is pinned stopping wheel assembly 7, can not rotate with the external tooth of the gear ring 4 of stopping wheel assembly 7 engagements; The moment of the 3rd travelling gear 1 was sent to through sun gear 3, gear ring 4, planetary gear 5, driving-disc 6, first output gear 8, second output gear 9 and exerted oneself tooth 19 and amplify output torque through gearratio this moment; The tooth 19 of exerting oneself rotates tooth bar or steel wire rope 20 is involved in, and drives directional wheel 18 and 17 rotations of stroke cam, and one group of another group reed of reed disengagement is connected on the spring abutment 16 when forwarding certain position to; Induce synchronous motor 10 maintenance work, synchronous driving motor first stroke that cuts off the power supply finishes.When to another group reed energising, synchronous driving motor is resumed work, and second stroke begins, and two groups of reeds are thrown off simultaneously on the spring abutment 16 when forwarding certain position to, induces synchronous motor 10 to keep 1 outage of work synchronous driving motor, and distraction procedure finishes.
When tractor cuts off the power supply, induce synchronous motor 10 and synchronous driving motor 1 to stop operating locking lever 14 repositions under ring spring 15 tension; Throw off with stopping wheel assembly 7, drive stopping gear 13 simultaneously, induce ring 11 reverse rotations, this moment, stopping wheel assembly 7, gear ring 4 were free to rotate; Tooth bar or steel wire rope 20 are outwards pulled out under the effect of load external force; Go out powershift gear 19 reverse rotations, drive second travelling gear 9, first travelling gear 8, driving-disc 6, planetary gear 5, gear ring 4,7 reverse rotations of stopping wheel assembly, the inertia plate on the stopping wheel assembly 7 is thrown away the effect of playing buffering with the shell friction; When tooth bar or steel wire rope are completely pulled out of; The stroke cam is got back to initial state, and first group of reed connected second group of reed disconnection on the spring abutment, and the tractor backhaul finishes.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; Should not being regarded as of the protection domain of the utility model only limits to the concrete form that embodiment states, the protection domain of the utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (4)
1. a washing machine two-pass tractor comprises synchronous driving motor, and the output shaft of said synchronous driving motor is connected with the input of planetary gears; The output of said planetary gears is connected with first output gear; Said first output gear and the engagement of second output gear, said second output gear cooperates with the tooth of exerting oneself, said exert oneself tooth and tooth bar or steel wire rope interlock; It is characterized in that: said tractor also comprises induces part; The said part of inducing comprises and induces synchronous motor, and the ring of inducing that the rotating excitation field that is produced in order to the uniform rotation according to rotor produces constant moment is installed in the said rotor outside of synchronous motor of inducing, and the said ring of inducing is installed in rotation on the rotor bottom of inducing synchronous motor; Said travelling gear and stopping gear engagement of inducing on the ring; Install on the said stopping gear in order to prevent that first reverse that motor reverses from ending, an end of said stopping gear and locking lever meshes, and the other end of said locking lever cooperates with the stopping wheel assembly realizes locking function; Ring spring is installed at the fulcrum place of said locking lever, and said stopping wheel assembly cooperates with the external tooth of the gear ring of said planetary gears.
2. washing machine two-pass tractor as claimed in claim 1; It is characterized in that: said planetary gears comprises sun gear, planetary gear, gear ring and driving-disc, said sun gear and planetary gear engagement, the internal tooth engagement of said planetary gear and said gear ring; Said planetary gear is installed on the said driving-disc; The 3rd travelling gear is installed on the output shaft of said synchronous driving motor, and said the 3rd travelling gear and the engagement of said sun gear are installed on the said sun gear in order to prevent that second reverse that motor reverses from ending; The 4th travelling gear of said driving-disc and the engagement of said first output gear, the external tooth of said gear ring and the engagement of said stopping wheel assembly.
3. according to claim 1 or claim 2 washing machine two-pass tractor, it is characterized in that: the said synchronous motor of inducing is the shaded-pole synchronous motor.
4. according to claim 1 or claim 2 washing machine two-pass tractor is characterized in that: on the said stopping wheel assembly inertia plate is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120399548XU CN202298224U (en) | 2011-10-19 | 2011-10-19 | Double-stroke traction device for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120399548XU CN202298224U (en) | 2011-10-19 | 2011-10-19 | Double-stroke traction device for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298224U true CN202298224U (en) | 2012-07-04 |
Family
ID=46367157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120399548XU Expired - Fee Related CN202298224U (en) | 2011-10-19 | 2011-10-19 | Double-stroke traction device for washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202298224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239095A (en) * | 2016-08-31 | 2016-12-21 | 宁波贞观电器有限公司 | A kind of automatic assembling for assembling inserted sheet for the skeleton component in traction apparatus |
-
2011
- 2011-10-19 CN CN201120399548XU patent/CN202298224U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239095A (en) * | 2016-08-31 | 2016-12-21 | 宁波贞观电器有限公司 | A kind of automatic assembling for assembling inserted sheet for the skeleton component in traction apparatus |
| CN106239095B (en) * | 2016-08-31 | 2018-06-12 | 宁波贞观电器有限公司 | A kind of automatic assembling for being used to assemble inserted sheet for the skeleton component in tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120704 Termination date: 20151019 |
|
| EXPY | Termination of patent right or utility model |