CN201084562Y - Washing machine safety switch - Google Patents
Washing machine safety switch Download PDFInfo
- Publication number
- CN201084562Y CN201084562Y CNU2007200469293U CN200720046929U CN201084562Y CN 201084562 Y CN201084562 Y CN 201084562Y CN U2007200469293 U CNU2007200469293 U CN U2007200469293U CN 200720046929 U CN200720046929 U CN 200720046929U CN 201084562 Y CN201084562 Y CN 201084562Y
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- Prior art keywords
- switch
- reed
- washing machine
- fork
- contact
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- Expired - Fee Related
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- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The utility model relates to an improved safety switch of full automatic cylindrical washing machines, which is characterized in that an upper switch reed is bent to form downward pre-pressure; a contact spacing adjusting screw is arranged below the upper reed; a door panel open-close switch trigger lever is a crank arm lever with upwarp ends; a passive end directly acts on a lower switch reed; an dewatering barrel swings the stop swing link to directly act on the upper switch reed. Compared with the safety switch in the prior art, the utility model has the advantages of simple structure, less parts, small switch actuating force, reliable movement, high sensitivity, long service life, basically invariable opening height of the door panel when in use, strong protective effect for off-center operation of the dewatering barrel, free adjustment of the opening height of the door panel, good consistence, and thorough elimination of the defects in the prior art.
Description
Technical field
Utility model is about the improvement to full-automatic overlapping drums washing machine safety switch, relates in particular to a kind of switch good reliability, the safe on-off of washing machine that useful life is long.
Background technology
Safe on-off of washing machine is when guaranteeing laundry machine dehydration, the safety switching apparatus that when throwing open door closure or dehydration barrel eccentric operating dehydration barrel is stopped operating rapidly.A kind of safety switch of prior art is shown in Fig. 5,6; by plastics boxlike pedestal 1; overcoat is added with installs brandreth 13; the switch reed 5,6 of built-in upper and lower settings; the dehydration barrel that is arranged at the base bottom lower end is rocked shutdown iron fork 3 and fork back-moving spring steel disc 10; be arranged at the horizontal door closure open-close on-off of pedestal and trigger lever 4, and the compositions such as herringbone slide block 12 that the pull switch reed is connected, disconnected in the pedestal.This switch prizes switch lever 4 according to moving on the spot wobble when the door for washing machine closure, promotes to move on the slide block 12, and reed makes contact 7 closed conductings, laundry machine dehydration work under the jack-up switch; Door for washing machine is opened, and switch lever resets and moves down, thereby former Closing Switch reed is disconnected, and dehydration barrel stops operating.Meeting the excessive off-centre of dehydration barrel in dehydration rocks; dehydration barrel is collided and is shut down iron fork 3, drives slide block 12 and moves down, and makes the closed moment disconnection of reed disengaging under the switch; stop operating by computer program control dehydration barrel, shut down fork and then under back-moving spring 10 effects, reset.
This configuration switches exists main deficiency to have: (1) switch upper reed plate is a straight structure, distance is the manual curved reed that presses in back to be installed in advance to adjust at switch between switch two spring strip contacts, because of the playback of metal spring leaf elasticity, the artificial adjustment back of bending is difficult for keeping, influenced by artificial curved the pressure, each switch contact is poor apart from consistency, causes door closure Lift consistency variation; Secondly, because of the switch spring sheet is in the clossing pressure state for a long time, the fatigue deformation of reed also easily makes straight reed front end contact closure pressure reduce, and contact pitch increases, and causes in the use door closure Lift overproof; Besides, the upper reed plate straight structure, the initial contact pressure of switch contact is little, becomes big back as two contact spacings and easily produces the switch loose contact, can cause washing machine not dewater.(2) prevent the shutdown fork of dehydration barrel eccentric operating, be closed reed to be disconnected by reed under the slide block pull switch, this mode is after switch two contact pitch become greatly, also can cause fork to rush open the variation of spot size, so that lose the eccentric operating protective effect, cause the frequent moisturizing of washing machine, even cause the work of not dewatering; (3) construction of switch complexity, switch connection promote down reed by slide block and realize with being broken as indirectly, thisly promote reed action down by the slide block transition, and because of slider row 7 friction points nearly, it is big that slide block moves frictional force, the switch poor sensitivity; And the switch motion resistance is big, easily makes the switch catching phenomenon, makes malfunctioning switch, causes the switch reliability decrease.In addition, the installing rack of above-mentioned switch, fork are metal rigid member, when the washing machine complete machine is assembled,, can not recover after the generation distortion if run into improper bump, damaged in collision also is difficult for finding, the hidden danger outflow consequently occurs, has increased after market maintenance rate and workload.
The utility model content
The utility model purpose is to overcome the deficiency of above-mentioned prior art, provides a kind of construction of switch simple, switch good reliability, highly sensitive safe on-off of washing machine.
Another purpose of utility model is to provide a kind of bump of can effectively eliminating in the assembling process to cause the safe on-off of washing machine that is difficult for scenting a hidden danger.
Utility model first purpose realizes that mainly improving one is that the switch upper reed plate is little arch towards closing direction pre-bending, for switch contact provides initial contact precompression, and provides reed tired deformation compensation simultaneously; The 2nd, door closure open-close on-off triggering lever and dehydration barrel are rocked the shutdown fork and are directly contacted the switch reed, improve switch sensitivity, reduce the switch motion resistance, and it is stable to guarantee to shut down fork cut-off point stroke; The 3rd, add contact spacing and regulate, guarantee switch contact spacing unanimity, and consistent the reaching of door closure Lift stablized; Thereby overcome the deficiencies in the prior art, realize the utility model purpose.Specifically, the utility model safe on-off of washing machine, comprise the boxlike pedestal, the switch reed of built-in upper and lower settings, the dehydration barrel that acts on switch one reed is rocked the shutdown fork, and door closure open-close on-off triggering lever, it is characterized in that the switch upper reed plate is bent to form downward precompression downwards, the contact spacing adjustment screw is arranged at the upper reed plate bottom; The door closure open-close on-off triggers the curved arm lever that lever rises for the two ends sledge, and Partner directly acts on reed under the switch; Dehydration barrel is rocked the shutdown fork and is directly acted on the switch upper reed plate.
In addition, be to improve switch on and off sensitivity, a kind of better is to make that spring strip contact upwarps under the switch, shortening reed closed action stroke under the moving switch of sledge, thus the on-off action sensitivity that has improved switch; Be protection switch upper reed plate end simultaneously, upper reed plate also better keeps upwarping with following reed similar shape, helps the high temperature resistant contact of two reeds like this and just contacts, and avoids causing damage because of the reed arcing.
For making things convenient for the setting of upper reed plate contact pitch adjustment screw, a kind of better is that the upper reed plate Front-end Design is become the Y bifurcated, a bifurcated is the switch closure contact, a bifurcated is regulated fulcrum as the spring strip contact spacing, be used for by-pass cock upper reed plate and the closed spacing of following spring strip contact, satisfy required door closure Lift.
Be easy reed setting up and down, a kind of better is to make up and down the reed upper and lower settings that vertically staggers.
Utility model second purpose realizes, it is characterized in that the boxlike pedestal is the plastics cassette holder that there is fixedly connected ear both sides, and shutting down fork is Y plastic bar, and Y one fork is as shutting down fork swing fulcrum, another fork touch switch reed of Y.The restorability of this structure and the little distortion of plastics, make when the washing machine complete machine is assembled, even produce improper collision deformation, after disappearing, external force can be recovered, thereby can eliminate bump back distortion and cause bad hidden danger, and bump damages and can in time be known replacing, prevent that switch from outflowing in spite of illness, help reducing the after market maintenance rate, and maintenance load.
In addition, good insulation performance and closure are arranged, can on plastics boxlike pedestal, seal cover be set for making switch.
The utility model safe on-off of washing machine owing to adopt said structure, has simple in structurely than prior art, parts are few, and switch motion is reliable, highly sensitive, and Acceptable life is long.Upper reed plate bending precompression, not only switch spring strip contact contact pressure is big, can guarantee that the contact contact is good, and can effectively compensate because of the reed fatigue deformation causes the contact pitch increase, guarantees that the door closure Lift is constant substantially in the use.The spring strip contact spacing is adjustable, can guarantee that switch door closure Lift regulates arbitrarily, and consistency, and to keeping the effective closure of reed that positive role is also arranged, propping reed power as the spacing adjustment screw is 0.3N, during the contact initial turn-on, the 0.3N precompression has just been arranged, the switch contact clossing pressure then begins upwards until peak pressure from 0.3N, thereby can effectively solve the defective of switch loose contact.The door closure open-close on-off triggers the curved arm lever that lever adopts the two ends sledge to rise, directly act on reed under the switch, without the slide block transmission, make former 7 friction points, be reduced to only 3 friction points, switch motion power is little, not only connecting and disconnecting are active in one's movements, and action frictional force is little, and break-make is highly sensitive, good reliability.Dehydration barrel is rocked and is shut down fork and directly act on the switch upper reed plate and disconnect, and can avoid again the shutdown fork being rushed open a little change, avoid the defective of the frequent moisturizing of washing machine, guarantee the protective effect of dehydration barrel eccentric operating because of contact spacing up and down changes.
Switch installing rack and fork adopt the restorative good working of plastics of distortion, if undesired bump takes place installation process, it is out of shape restorability, also can return to former state naturally, can not influence the door closure Lift and change, and produce other hidden danger; If sever, then can be found immediately, in time changed, can not produce the outflow of band hidden danger morbid state, reduced the market maintenance rate significantly, and maintenance load.Add closing cap, good closure and insulating properties are arranged.The utility model safe on-off of washing machine has thoroughly been eliminated the whole shortcomings of prior art.
Below in conjunction with an embodiment, further specify utility model, some details should not be construed as the concrete qualification to the utility model structure among the embodiment.
Description of drawings
Fig. 1 is a utility model embodiment safe on-off of washing machine structural representation.
Fig. 2 is part 4 door closure open-close on-off curved arm lever structural representations among Fig. 1.
Fig. 3 is Fig. 1 plan structure schematic diagram.
Fig. 4 is Figure 1A-A plan structure schematic diagram.
Fig. 5 is a prior art safe on-off of washing machine structural representation.
Fig. 6 is Fig. 5 plan structure schematic diagram.
Embodiment
Embodiment: referring to Fig. 1-4, the utility model safe on-off of washing machine, by the plastics boxlike pedestal 1 of the fixedly connected ear 1.1 of both sides band, outer bottom has two pairs to stretch out hinged pin 1.2 and 1.3.Hinged pin 1.2 is hinged to have the Y plastic that can swing to shut down fork 3, and Y one bifurcated is hinged in 1.2 as the swing fulcrum, and another bifurcated 3.2 touch switch upper reed plates 5 of Y are shut down fork 3 and resetted and realize by back-moving spring 10 is set between platform 3.1 and base bottom.The hinged pin 1.3 hinged curved arm levers 4 that have horizontally set two ends sledge to rise, curved arm lever follower ends have bifurcated to provide that reed touches arm 4.2 under the position limit arm 4.1 of curved arm lever 4 original positions and the switch, and the curved arm lever fulcrum is coaxially arranged with reduction torsion spring 11.The plastics boxlike pedestal 1 built-in switch upper reed plate of often opening 5 that vertically is crisscross arranged reaches reed 6 down, wherein upper reed plate is bent to form downward precompression downwards, closed ends has bifurcated fulcrum 5.1 and the closed contact 5.2 of regulating contact spacing, contact pitch adjustment screw 9 is arranged at bifurcated 5.1 bottoms, and the closed contact 7 of reed is with tilting upward up and down.On the plastics boxlike pedestal 1 cap 2 is arranged, by screw 8 be fixed on the pedestal 1 and clamping switch reed up and down.
The course of work is: the door for washing machine closure, and the curved arm lever 4 that the two ends sledge of the moving horizontally set of sledge rises lifts, and lever Partner reed shake-up arm 4.2 rotates reed 6 is lifted simultaneously, switch reed contact closure, washing machine enters dewatering state; Door for washing machine is opened, and curved arm lever 4 oppositely resets under reduction torsion spring 11 effects, and switch contact disconnects, and dehydration stops.In dehydration, meet the excessive off-centre of dehydration barrel and rock bump shutdown fork 3, shut down fork and prop up spot wobble according to the Y bifurcated; while bifurcated 3.2 jack-up upper reed plates 5; make the moment disconnection of switch spring strip contact, stopped by computer program control dehydration, fork oppositely resets under back-moving spring 10 effects simultaneously.
In addition; shutdown fork back-moving spring can also adopt the reed-type as prior art; switch upper reed plate spacing adjustment screw can also directly act on upper reed plate; reed does not adopt vertically and staggers up and down; shut down fork and adopt other version, curved arm lever adopts atypical form of non-diagram or the like, and some are changed at technical staff's unsubstantiality; but can reach basic identical function, all truely use novel protected scope.
Claims (10)
1. safe on-off of washing machine, comprise the boxlike pedestal, the switch reed of built-in upper and lower settings, the dehydration barrel that acts on switch-reed is rocked the shutdown fork, and the door closure open-close on-off triggers lever, it is characterized in that the switch upper reed plate is bent to form downward precompression downwards, the contact spacing adjustment screw is arranged at the upper reed plate bottom; The door closure open-close on-off triggers the curved arm lever that lever rises for the two ends sledge, and Partner directly acts on reed under the switch; Dehydration barrel is rocked the shutdown fork and is directly acted on the switch upper reed plate.
2. according to the described safe on-off of washing machine of claim 1, it is characterized in that spring strip contact upwarps under the switch.
3. according to the described safe on-off of washing machine of claim 2, it is characterized in that switch upper reed plate contact and following spring strip contact similar shape upwarp.
4. according to the described safe on-off of washing machine of claim 1, it is characterized in that up and down the reed upper and lower settings that vertically staggers.
5. according to the described safe on-off of washing machine of claim 1, it is characterized in that switch upper reed plate contact end is the Y bifurcated, a bifurcated is for regulating the contact spacing fulcrum, and a bifurcated is a switch contact.
6. according to the described safe on-off of washing machine of claim 1, it is characterized in that curved arm lever is reset to the torsion spring that is provided with fulcrum.
7. according to claim 1,2,3,4,5 or 6 described safe on-off of washing machine, it is characterized in that the curved arm lever Partner is the Y bifurcated, a bifurcated is a curved arm lever original position position limit arm, and a bifurcated is that reed touches arm under the switch.
8. according to the described safe on-off of washing machine of claim 1, it is characterized in that the boxlike pedestal is the plastics cassette holder that there is fixedly connected ear both sides, shutting down fork is Y plastic bar, and Y one fork is as shutting down fork swing fulcrum, another fork touch switch reed of Y.
9. according to the described safe on-off of washing machine of claim 7, it is characterized in that the boxlike pedestal is the plastics cassette holder that there is fixedly connected ear both sides, shutting down fork is Y plastic bar, and Y one fork is as shutting down fork swing fulcrum, another fork touch switch reed of Y.
10. according to claim 1,8 or 9 described safe on-off of washing machine, it is characterized in that shutting down fork and be reset to and be arranged at spring between fork and boxlike pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200469293U CN201084562Y (en) | 2007-09-03 | 2007-09-03 | Washing machine safety switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200469293U CN201084562Y (en) | 2007-09-03 | 2007-09-03 | Washing machine safety switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201084562Y true CN201084562Y (en) | 2008-07-09 |
Family
ID=39627034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200469293U Expired - Fee Related CN201084562Y (en) | 2007-09-03 | 2007-09-03 | Washing machine safety switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201084562Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064029A (en) * | 2010-12-28 | 2011-05-18 | 无锡小天鹅股份有限公司 | Bump switch of washing machine |
| CN103469520A (en) * | 2013-09-27 | 2013-12-25 | 杭州神林电子有限公司 | Barrel collision and water level integrated sensor |
| CN104342876A (en) * | 2013-08-08 | 2015-02-11 | 海尔集团公司 | Washing machine capable of detecting cylinder collision by using water level sensor and detection method |
| CN105908441A (en) * | 2016-05-28 | 2016-08-31 | 惠而浦（中国）股份有限公司 | Washing machine dehydration safety switch and control method thereof |
| CN105937139A (en) * | 2016-05-26 | 2016-09-14 | 安徽意华电器有限公司 | Safety switch of washing machine |
| CN106283541A (en) * | 2015-06-08 | 2017-01-04 | 青岛胶南海尔洗衣机有限公司 | A kind of electricity piece mounting seat and washing machine |
| CN106757984A (en) * | 2016-12-30 | 2017-05-31 | 青岛云路新能源科技有限公司 | Bucket position sensor and the integrated detector of water level and bucket position comprising the bucket position sensor |
| CN109137361A (en) * | 2017-06-27 | 2019-01-04 | 青岛海尔洗衣机有限公司 | A kind of washing machine |
-
2007
- 2007-09-03 CN CNU2007200469293U patent/CN201084562Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064029A (en) * | 2010-12-28 | 2011-05-18 | 无锡小天鹅股份有限公司 | Bump switch of washing machine |
| CN104342876A (en) * | 2013-08-08 | 2015-02-11 | 海尔集团公司 | Washing machine capable of detecting cylinder collision by using water level sensor and detection method |
| CN103469520A (en) * | 2013-09-27 | 2013-12-25 | 杭州神林电子有限公司 | Barrel collision and water level integrated sensor |
| CN106283541A (en) * | 2015-06-08 | 2017-01-04 | 青岛胶南海尔洗衣机有限公司 | A kind of electricity piece mounting seat and washing machine |
| CN106283541B (en) * | 2015-06-08 | 2020-04-17 | 青岛胶南海尔洗衣机有限公司 | Electric component mount pad and washing machine |
| CN105937139A (en) * | 2016-05-26 | 2016-09-14 | 安徽意华电器有限公司 | Safety switch of washing machine |
| CN105908441A (en) * | 2016-05-28 | 2016-08-31 | 惠而浦（中国）股份有限公司 | Washing machine dehydration safety switch and control method thereof |
| CN106757984A (en) * | 2016-12-30 | 2017-05-31 | 青岛云路新能源科技有限公司 | Bucket position sensor and the integrated detector of water level and bucket position comprising the bucket position sensor |
| CN109137361A (en) * | 2017-06-27 | 2019-01-04 | 青岛海尔洗衣机有限公司 | A kind of washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W102597 Conclusion of examination: The patent right of utility model 200720046929.3 shall be maintained on the basis of the revision of the claim by the patent holder in December 20, 2011. Decision date of declaring invalidation: 20120703 Decision number of declaring invalidation: 18867 Denomination of utility model: Method for controlling safe on-off of washing machine Granted publication date: 20080709 Patentee: Yixing Mingyuan Plastic Electricity Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20160903 |