CN2254700Y

CN2254700Y - Electric water boiling kettle

Info

Publication number: CN2254700Y
Application number: CN 95209159
Authority: CN
Inventors: 谭平; 邵声宏
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-04-27
Filing date: 1995-04-27
Publication date: 1997-05-28
Anticipated expiration: 2005-04-27

Abstract

The utility model discloses an electric water boiling kettle with the function of automatic power-off protection, which is composed of a kettle body, a kettle lid, an electrothermic tube, kettle holders and a socket. The utility model is characterized in that the socket is provided with a power-off protection device which can vary with the lightened weight of the electric water boiling kettle. One of the kettle holders is the contact holder of the power-off protection device; the contact holder can move up and down along the variation of the electric water boiling kettle and enable switches to switch on or switch off. The utility model has the advantages that when water is boiling, the power supply of the electric water boiling kettle can be automatically cut off without drying out water in the kettle, which enables the utility model to be convenient and safe.

Description

A kind of insulating pot

The utility model relates to a kind of insulating pot, particularly has the insulating pot of power-off protection performance.

In background technology, when heating up water with the common electrical kettle, as unmanned at the scene of heating up water, the boiled back explosive evaporation of water, the water in the kettle can constantly be reduced to and water driedly, easily leads to the electrical equipment accident.For preventing the generation of accident, general employing is cut off the electricity supply from the alarm reminds people of ringing and is guaranteed safety, but this insulating pot does not have the performance of cutting off the electricity supply automatically, when unmanned people on the scene or that heat up water far away apart from the scene, the throwing of ring certainly of just not hearing kettle is alert, Hu Zhongshui is dryouied cause the electrical equipment accident.

The purpose of this utility model provide a kind of can make water boiled after, along with the minimizing of water in the kettle, the insulating pot that can cut off the electricity supply automatically.

For achieving the above object, insulating pot of the present utility model is by the kettle body, and pot lid, leg and the heat pipe and the socket that are installed on the kettle body are formed.Be connected with a power-off protection apparatus on the socket, the haptic element double as leg of power-off protection apparatus, this haptic element can be up and down, cooperates with the upper and lower contact that is connected terminals and form switch.

Power-off protection apparatus of the present utility model is made up of reed, strut and spring, and reed is provided with the contact, and the lower end of strut is provided with haptic element, and spring and reed are enclosed within the strut, and under the effect of spring, the contact of reed can contact with the contact of copper sheet.

Adopt the insulating pot of this power-off protection apparatus, can be after water be boiled, along with the minimizing of Hu Shui, insulating pot is cut off the electricity supply automatically, prevents the generation of electrical equipment accident, guarantees safety, also electrical energy saving simultaneously.This kettle is made simple, and cost is lower, and is safe and convenient to use.

Be further described this usefulness is novel below in conjunction with the drawings and specific embodiments:

Fig. 1 is the overall schematic of electric kettle of the present utility model;

Fig. 2 is one of example structure schematic diagram of electric kettle electrical socket and power-off protection apparatus;

Fig. 3, be power-off protection apparatus the example structure schematic diagram two;

Fig. 4 be power-off protection apparatus the example structure schematic diagram three.

In Fig. 1, Fig. 2: electric kettle is made up of kettle body 2, pot lid 1, socket 3, electrothermal tube 8 and leg 7; socket 3; in be provided with two single-phase two-line receptacle cores 9,9 that can cooperate with attaching plug '; the bottom of socket 3 is power-off protection apparatus 5; terminals 12,12 wherein ' be connected with down touch copper sheet 11,11 '; copper sheet 11,11 ' the lower end be provided with

contact

17,17 '.One square hole 20 is arranged at the bottom of socket 3 bodies; make the haptic element 6 of power-off protection apparatus expose about three, four millimeters of square holes 20 outward; the height of haptic element 6 with at the bottom of the kettle in addition two legs 7 on a horizontal plane; it on the haptic element 6 affixed with it strut 15; be with reed 19, pad 14 and helical spring 13 on the strut 15 successively, the groove 10 of a width less than spring 13 diameters arranged on side socket 5 bodies on the strut 15.Reed 19 two ends be provided with contact 16,16 ', the

contact

16,16 of reed 19 ' with copper sheet 11,11 ' contact 17,17 ' corresponding.Strut 15 and reed 19 usefulness springs 18,18 ' be connected.Kettle body when filled with water, when making haptic element 6 upwards movable with respect to socket 5 bodies because of action of gravity, strut 15 along groove 10 to rising, spring 13 by compression, the spring 18 that connects strut 15 and reed 19,18 ' be " eight " font, reed 19 two ends are slightly crooked downwards, contact 16,16 ' with contact 17,17 ' contact energising, the water evaporation reduces in kettle, and during water weight saving, spring restores, tension force makes strut 15 movable downwards, two springs 18 that strut 15 is connected with reed 19,18 ' being down " eight " word, reed 19 two ends are upwards slightly crooked, make

contact

16,16 ', 17,17 ' separate promptly and cut off the power supply.

In Fig. 3; the upper contact 16 of power-off protection apparatus, be fixed on socket 3 bodies, there is a slice type spring 22 upper contact 16 belows, and its end also is fixed on socket 3 bodies; the other end is that lower contact 17 is corresponding with upper contact 16; upper and

lower contact

16,17 is electrically connected with power line, and sheet type spring 22 middle parts and haptic element 21 are connected, when haptic element 20 is subjected to the external force effect; 22 distortion of sheet type spring; upper and

lower contact

16,17 contacts, otherwise, promptly separate.

Add a slice shape spring 23 in Fig. 4 below the plate-like spring 22 of power-off protection apparatus again, other structures, operation principle and use are identical with aforesaid way.

Power-off protection apparatus can also adopt other structure, as the structure of push switch formula etc., and removes but also can be contained on the plug or independently be contained on the kettle shell.

Claims

1, a kind of insulating pot; by leg (7) at the bottom of kettle main body (2), pot lid (1), electrothermal tube (8), the kettle be installed in the socket (3) that kettle body (2) goes up and be electrically connected with electrothermal tube (8) and form; it is characterized in that being connected with on the socket (3) power-off protection apparatus with kettle weight saving, the haptic element of power-off protection apparatus (6) is a leg at the bottom of the kettle.

2, insulating pot according to claim 1; it is characterized in that described power-off protection apparatus is made up of reed (19), strut (15) and spring (18); reed (18) is provided with contact (16), (16 '); the lower end of strut (15) is provided with haptic element (6); spring (13) and reed are enclosed within the strut (15), and the contact (16) of reed (19), (16 ') and the copper sheet that is connected in socket (3) (11), (11 ') are corresponding.

4, according to claim 1,2 described insulating pots, it is characterized in that: this power-off protection apparatus is to cooperate with plate-like spring (22) that is connected with upper contact (16) and strut (15) to form.