CN2336704Y - Anti-overburning protector for domestic electric heating kettle - Google Patents
Anti-overburning protector for domestic electric heating kettle Download PDFInfo
- Publication number
- CN2336704Y CN2336704Y CN 98219244 CN98219244U CN2336704Y CN 2336704 Y CN2336704 Y CN 2336704Y CN 98219244 CN98219244 CN 98219244 CN 98219244 U CN98219244 U CN 98219244U CN 2336704 Y CN2336704 Y CN 2336704Y
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- China
- Prior art keywords
- lever
- contact switch
- kettle
- electric heating
- model
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- 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 - Fee Related
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Abstract
The utility model relates to an anti-overburning protector for domestic electric heating water kettles, which comprises a fixing plate 2, a lever 4, a contact switch 5 and a pressure spring 6. The lever 4 is installed on the fixing plate 2 through a lever shaft 3. The pressure spring 6 and the contact switch 5 are arranged between the fixing plate 2 and the lever 4. One end of the lever 4 is provided with a ground tail 7. When the utility model is used, the electric heating water kettle is filled with water. Due to gravitational effect, the lever 4 moves upwards to close the contact switch 5, and the circuit is switched on. When the time of electrifying is too long and the water in the kettle is reduced to one third, the contact switch 5 switches off and the circuit is cut off. The utility model has the advantage of convenient use and avoids the problem of overburning or being repaired in a repairing unit after the utility model is overburnt.
Description
The utility model relates to the family daily life articles for use, especially a kind of domestic electric heating kettle anti-dry protective device.
Topped up with water in all wanting earlier with kettle when using electric kettle to heat up water is connected power supply to electric kettle then, and the water that the electrothermal tube feedwater is heated in the kettle seethes with excitement.The problem that this electric kettle exists is not notice that slightly the water that will occur in the kettle is dryouied, the impaired problem of electrothermal tube.
The purpose of this utility model is water in the kettle is dryouied and to damage the problem of electrothermal tube at present domestic electric heating kettle is existing, provides a kind of easy to use, safe and reliable anti-dryout of electric heating kettle protective device.
The utility model is achieved in that the domestic electric heating kettle anti-dry burning device comprises fixed head, compression spring, lever, contact switch.Fixed head is provided with lever shaft, compression spring and contact switch, and lever is installed on the fixed head by lever shaft, and lever one side is provided with lower margin.
During use; the electric kettle topped up with water; weight increase because of kettle; lever is by the pressure that lower margin bore, and greater than the elastic force that is located at compression spring between lever and the fixed head, lever is upwards pressed; the contact switch closure; the circuit of electric kettle is switched on, and begins feedwater and heats, after the water boiling; water constantly is vaporized; water in kettle reduces three/for the moment, and the weight saving of electric kettle increases relatively owing to be located at the elastic force of the compression spring between lever and the fixed head; lever is by under the bullet; the contact switch circuit that is opened is cut off, and electrothermal tube stops heating, thus the effect that performance protection electrothermal tube is not burnt.
The existing electric kettle overwhelming majority does not possess the anti-dry function, the anti-dry function of indivedual electric kettles, the heat insurance is installed on electric kettle to be finished, in case cut off circuit by hot fuse melting when dry combustion method occurring, but the technical staff of the replacing unit of needing repairing of heat insurance just can finish, so pretty troublesome and waste fund.The anti-dry defencive function that the utlity model has, safe and reliable, in case, make anti-dry burning device work and cut off circuit, still do not influence the use of next electric kettle because of carelessness.Therefore the electric kettle of the utility model device is housed, has not easy burn-out electrothermal tube, easy to use, save characteristics such as electric energy.
Fig. 1 is a front view of the present utility model;
Fig. 2 is the left side view of Fig. 1;
Below in conjunction with accompanying drawing the utility model is described further:
Domestic electric heating kettle anti-dry protective device comprises fixed head 2, lever 4, contact switch 5, compression spring 6.Fixed head 2 is provided with lever shaft 3.Lever 4 is installed on the fixed head 2 by lever shaft 3, and compression spring 6 and contact switch 5 are fixed between fixed head 2 and the lever 4, is provided with lower margin 7 in a side of lever 4.In use, electric kettle is filled water, the weight of electric kettle increases, the pressure that lever 4 is born by lower margin 7, greater than the elastic force of compression spring 6, lever 4 is upwards pressed, and with contact switch 5 closures, the electric kettle circuit is switched on, and begins feedwater and heats, to boiling, if this moment is unattended, can not in time pull out power supply, water will constantly be vaporized and reduce, when reducing three/for the moment, the weight saving of electric kettle, lever 4 is by the suffered pressure of lower margin 7, and less than the elastic force of compression spring 6, lever 4 is by under the bullet, contact switch 5 is opened, circuitry cuts, electrothermal tube stop heating, thereby have got rid of the possibility that electrothermal tube anhydrous or that the water yield causes inadequately burns in the electric kettle.
Claims (1)
1. a family daily life anti-dryout of electric heating kettle protective device is characterized in that comprising fixed head, compression spring, lever, contact switch.Fixed head is installed on electric kettle supply socket place, and fixed head is provided with lever shaft, and lever is installed on the fixed head by lever shaft, and compression spring and contact switch are installed between fixed head and lever.Be provided with a lower margin that transmits pressure at an end of lever, electrothermal tube separates with supply socket to be fixed.Supply socket is positioned at the top of electrothermal tube binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98219244 CN2336704Y (en) | 1998-08-03 | 1998-08-03 | Anti-overburning protector for domestic electric heating kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98219244 CN2336704Y (en) | 1998-08-03 | 1998-08-03 | Anti-overburning protector for domestic electric heating kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2336704Y true CN2336704Y (en) | 1999-09-08 |
Family
ID=33971379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98219244 Expired - Fee Related CN2336704Y (en) | 1998-08-03 | 1998-08-03 | Anti-overburning protector for domestic electric heating kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2336704Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264103A (en) * | 2015-05-18 | 2017-01-04 | 广东美的生活电器制造有限公司 | Insulating pot |
-
1998
- 1998-08-03 CN CN 98219244 patent/CN2336704Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264103A (en) * | 2015-05-18 | 2017-01-04 | 广东美的生活电器制造有限公司 | Insulating pot |
| CN106264103B (en) * | 2015-05-18 | 2018-05-01 | 广东美的生活电器制造有限公司 | Insulating pot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |