CN2853860Y - Switch for door of drum washing machine - Google Patents
Switch for door of drum washing machine Download PDFInfo
- Publication number
- CN2853860Y CN2853860Y CN 200520107520 CN200520107520U CN2853860Y CN 2853860 Y CN2853860 Y CN 2853860Y CN 200520107520 CN200520107520 CN 200520107520 CN 200520107520 U CN200520107520 U CN 200520107520U CN 2853860 Y CN2853860 Y CN 2853860Y
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- CN
- China
- Prior art keywords
- spring
- mount pad
- hole
- groove
- pressed
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- Expired - Fee Related
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Abstract
A roller washer door switch is characterized in that a limited button is inserted into the square groove of mounting base, the inserting card is arranged in the groove of mounting base, a thermistor is pressedon the contacting board and pressed the other side of the contacting board on the bimetal chip whose another side presses on the inserting chip. The end of the moving contact chip with contact point is lodged in the narrow groove of the limited button, and the other end of which is arranged on the stud of mounting base with property hole. The inserting card is riveted by the moving contact chip, and a fixed moving contact chip with self-tapping screw is arranged on the mounting base. The state contact chip is lodged in the groove of mounting base, and pressed on the moving contact chip. The spring is connected with the moving contact chip and bimetal chip. Four guide-pillars of base are inserted into the hole of mounting base, the end of limited button lodged in the square hole of base, an adjusting screw is connected with the screw hole of inserting hole with the hole of mounting base, a torsion spring cover is arranged on the cross pillar, a torsion spring card is arranged in the square groove of mounting base, a slide block is inserted into the square hole of base through the narrow groove, and the cover plate is pressed on the base. The utility model is sensitive in action and simple in structure.
Description
Affiliated technical field
The utility model relates to a kind of roller washing machine door switch.Belong to household appliance technical field.
Background technology
Application number is that the patent application of 98205601.X discloses a kind of family expenses roller washing machine door switch, can not open specially and design for door under the washing machine operating condition, to guarantee user's personal safety, concrete scheme is made up of pedestal, support, slide block, lock dog, movable contact spring group and fixed touching plate group and generate heat pottery, spring clip, memorial alloy etc.When washing machine turns round, element thermal deformations such as heating pottery, memorial alloy, drive lock dog locking door, send control signal by the fixed touching plate group simultaneously, after washing machine shut down or has a power failure, memorial alloy was lowered the temperature rapidly, and restore to the original state, lock dog resets thereupon, and the washing machine door can be opened, thereby has guaranteed user's personal safety.
Said structure exists insensitive, shortcomings such as element cost height such as memorial alloy.
Summary of the invention
In order to overcome the deficiency of existing door of washing machine construction of switch, the utility model provides a kind of roller washing machine door switch.
The technical scheme that its technical problem that solves the utility model adopts is: cover plate, torsion spring, slide block, pedestal, the stationary contact spot film, spacing button, mount pad, adjustment screw, inserted sheet, bimetal leaf, contact plate, thermistor, spring, movable contact spring is formed, spacing button 10 inserts in the square groove of mount pad 9, inserted sheet 7 is stuck in the groove of mount pad 9, after being pressed on the contact plate 5, thermistor 4 again the another side of contact plate 5 is pressed in bimetal leaf 6, the another side of bimetal leaf 6 is pressed on the inserted sheet 7, the end that the contact is arranged of movable contact spring 2 is stuck in the narrow groove of spacing button 10, the porose coupling of the other end of movable contact spring 2 is on the hitching post of mount pad 9, movable contact spring 2 and inserted sheet 7 riveted joints, have self threading pin 1 fixedly movable contact spring 2 on mount pad 9, stationary contact spot film 11 is stuck in the groove of mount pad 9, be pressed on the movable contact spring 2, spring 3 connects movable contact spring 2 and bimetal leaf 6, four guide pillars of pedestal 12 are inserted in the hole of mount pad 9, the end of spacing button 10 is stuck in the square hole of pedestal 12, adjustment screw 8 is connected with the screw of inserted sheet 7 by the hole of mount pad 9, torsion spring 14 is enclosed within on the cross post of pedestal 12, torsion spring 14 is stuck in the square groove of pedestal 12, slide block 13 is inserted in the square hole of pedestal 12, and by narrow groove, cover plate 15 is pressed on the pedestal 12.The course of work:
Shut door of washing machine, connect power supply.Electric current is by movable contact spring 2, thermistor 3, contact plate 5, bimetal leaf 6 and inserted sheet 7, cause thermistor 3 heating and cause bimetal leaf 6 bendings on the movable contact spring 2, the active force that bimetal leaf 6 produces because of heated bending in 6s makes spring 3 actions, conducting strip on the movable contact spring 2 is popped up, contact the washing machine operate as normal with stationary contact spot film 11, driving spacing button 10 simultaneously upwards beats, and snap in the T-slot of slide block 13, thereby the door of washing machine locking, this moment, door of washing machine can not be opened.
After washing machine work is finished, deenergization, bimetal leaf 6 temperature on thermistor 3 and the movable contact spring 2 descend, and in the time of 40～180s, the bimetal leaf 6 on the movable contact spring 2 upwarps and resets, drive spring 3 actions, conducting strip on the movable contact spring 2 is flicked downwards, disconnect, drive spacing button 10 simultaneously and reset with stationary contact spot film 11, this moment, slide block 13 automatically springed open under the effect of torsion spring 14, and this moment, door of washing machine just can normally be opened.
The beneficial effects of the utility model are to be active in one's movements, and are simple in structure.
Description of drawings
Fig. 1 is a structural map of the present utility model.
The specific embodiment
Embodiment: the roller washing machine door switch has cover plate, torsion spring, slide block, pedestal, the stationary contact spot film, spacing button, mount pad, adjustment screw, inserted sheet, bimetal leaf, contact plate, thermistor, spring, movable contact spring is formed, as shown in Figure 1, spacing button 10 inserts in the square groove of mount pad 9, inserted sheet 7 is stuck in the groove of mount pad 9, after being pressed on the contact plate 5, thermistor 4 again the another side of contact plate 5 is pressed in bimetal leaf 6, the another side of bimetal leaf 6 is pressed on the inserted sheet 7, the end that the contact is arranged of movable contact spring 2 is stuck in the narrow groove of spacing button 10, the porose coupling of the other end of movable contact spring 2 is on the hitching post of mount pad 9, movable contact spring 2 and inserted sheet 7 riveted joints, have self threading pin 1 fixedly movable contact spring 2 on mount pad 9, stationary contact spot film 11 is stuck in the groove of mount pad 9, be pressed on the movable contact spring 2, spring 3 connects movable contact spring 2 and bimetal leaf 6, four guide pillars of pedestal 12 are inserted in the hole of mount pad 9, the end of spacing button 10 is stuck in the square hole of pedestal 12, adjustment screw 8 is connected with the screw of inserted sheet 7 by the hole of mount pad 9, torsion spring 14 is enclosed within on the cross post of pedestal 12, torsion spring 14 is stuck in the square groove of pedestal 12, slide block 13 is inserted in the square hole of pedestal 12, and by narrow groove, cover plate 15 is pressed on the pedestal 12.
Claims (1)
1. roller washing machine door switch, cover plate is arranged, torsion spring, slide block, pedestal, the stationary contact spot film, spacing button, mount pad, adjustment screw, inserted sheet, bimetal leaf, contact plate, thermistor, spring, movable contact spring, it is characterized in that: spacing button inserts in the square groove of mount pad, inserted sheet is stuck in the groove of mount pad, after being pressed on the contact plate, thermistor again the another side of contact plate is pressed in bimetal leaf, the another side of bimetal leaf is pressed on the inserted sheet, the end that the contact is arranged of movable contact spring is stuck in the narrow groove of spacing button, the porose coupling of the other end of movable contact spring is on the hitching post of mount pad, movable contact spring and inserted sheet riveted and fixed, have self threading pin fixedly movable contact spring on mount pad, the stationary contact spot film is stuck in the groove of mount pad, be pressed on the movable contact spring, spring connects movable contact spring and bimetal leaf, four guide pillars of pedestal are inserted in the hole of mount pad, the end of spacing button is stuck in the square hole of pedestal, adjustment screw is connected with the screw of inserted sheet by the hole of mount pad, torsion spring set is on the cross post of pedestal, torsion spring is stuck in the square groove of pedestal, slide block is inserted in the square hole of pedestal, and by narrow groove, cover plate is pressed on the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520107520 CN2853860Y (en) | 2005-05-30 | 2005-05-30 | Switch for door of drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520107520 CN2853860Y (en) | 2005-05-30 | 2005-05-30 | Switch for door of drum washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2853860Y true CN2853860Y (en) | 2007-01-03 |
Family
ID=37580489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520107520 Expired - Fee Related CN2853860Y (en) | 2005-05-30 | 2005-05-30 | Switch for door of drum washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2853860Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892571B (en) * | 2009-05-19 | 2012-04-25 | 温州天健电器有限公司 | Locking device of door of washing machine |
| CN108720782A (en) * | 2018-06-07 | 2018-11-02 | 温州天健电器有限公司 | A kind of dish-washing machine door lock |
-
2005
- 2005-05-30 CN CN 200520107520 patent/CN2853860Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892571B (en) * | 2009-05-19 | 2012-04-25 | 温州天健电器有限公司 | Locking device of door of washing machine |
| CN108720782A (en) * | 2018-06-07 | 2018-11-02 | 温州天健电器有限公司 | A kind of dish-washing machine door lock |
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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: 20070103 |