CN2807680Y

CN2807680Y - Electric hot-water bag

Info

Publication number: CN2807680Y
Application number: CN 200520102925
Authority: CN
Inventors: 刘剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-10
Filing date: 2005-06-10
Publication date: 2006-08-16
Anticipated expiration: 2015-06-10

Abstract

The utility model relates to an electric hot-water bag which comprises a bag body made of insulative material. Liquid of conducting medium is arranged in the bag body, an electric socket is matched and arranged on the bag body, the electric socket is connected with a fixing seat through a connecting part and an anode heating rod and a cathodic heating rod are respectively fixed on the fixing seat and electrically connected with the electric socket on the bag body. The utility model is characterized in that the length of the connecting part is not larger than 2.0 centimeters. The utility model has the function of temperature limitation and has the characteristics of simple structure and long service life. The utility model is suitable for the popularization and use of electric hot-water bags.

Description

Electric hot-water bag

Technical field

The utility model relates to a kind of electric hot-water bag.

Background technology

An electric hot-water bag great variety of models in the market, a kind of electric hot-water bag is arranged, and it comprises the bag body of being made by insulating material that has water filling port, bag is equipped with electrical socket on one's body simultaneously, electrical socket is provided with the metal pin that can link to each other with power supply, described electrical socket below is for having the base of cavity and insulation, described base is connected with the holder with cavity and insulation by the tube connector of an insulation, described base, tube connector and holder all are contained in bag body, just described, one end of negative pole heating rod is installed on the holder respectively, just, the negative pole heating rod is positioned on the same horizontal plane that parallels with bag body bottom surface, just, the negative pole heating rod is electrically connected with on one's body electrical socket of bag by lead, generally be lead be placed in the base cavity pocket of electrical socket and pass tube connector after enter into the interior of holder with just, one end of negative heating rod links to each other.Because above-mentioned tube connector length is generally long, can reach more than 3 centimetres, and tube connector adopts plastics to make, in case be heated, easy softening transform, having caused holder is to be hang, just make, the negative pole heating tube can not break away from conducting medium solution, cause the electric hot-water bag over-heating easily, cause the electric hot-water bag explosion phenomenon at last, and, above-mentioned bag body is interior just, negative heating rod generally is in the same level Position Design, like this when our energising is heated to the water in the electric hot-water bag, the bag body is interior just, negative heating rod is immersed in the interior water of bag body all the time, if just we are not to this electric hot-water bag outage, then this is being just, negative heating rod is the water heating in giving the bag body all the time, can not realize the purpose of good automatic limit temperature and prevention limit temperature, will shorten the useful life of product, even also can cause certain danger to the user owing to heating time is long, especially child uses the electric hot-water bag of this structure, the danger of accident is just higher, so, need us to do further improvement.

Other looks into the patent No. is 03226065.2 Chinese patent " temperature automatically controlled electric hot-water bag ", and its defective is the structure more complicated, is not easy to make to produce, and functional reliability is not ideal enough.

Summary of the invention

Technical problem to be solved in the utility model is that a kind of have limit temperature function and electric hot-water bag simple in structure, long service life are provided at above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of electric hot-water bag, it comprises the bag body of being made by insulating material, the liquid of conducting medium is housed in the bag body, bag is equipped with electrical socket on one's body, described electrical socket is connected with holder by the coupling part, be fixed with anodal heating rod and negative pole heating rod on the holder respectively, anodal heating rod and negative pole heating rod are to be to be electrically connected with bag on one's body electrical socket, and the length that it is characterized in that described coupling part is controlled at and is not more than in 2.0 cm range.

Useful is, above-mentioned anodal heating rod and the fixed position of negative pole heating rod on holder are that height staggers mutually, this holder is to adopt resistant to elevated temperatures plastics to make, link into an integrated entity with the coupling part after tilting, also can be, holder be to adopt resistant to elevated temperatures plastics to make, and just staggers in the position of its fixing anodal heating rod and negative pole heating rod, link into an integrated entity with the coupling part then, can improve the work sensitivity like this.

Useful is, above-mentioned coupling part is to be hollow tubular structure, the lead of electrical socket is electrically connected with anodal heating rod and negative pole heating rod on the holder by the coupling part, we can also also be arranged with a reinforcing sleeve in outside, described coupling part, so just, can more effectively prevent the coupling part because the deliquescing and sagging of being heated further improves the validity of limit temperature work.

Compared with prior art; advantage of the present utility model is after this electric hot-water bag energising heating; just begun because the liquor capacity in the bag body is less; the bag body can be more flat; this moment, anodal heating rod and negative pole heating rod were immersed in below the interior conductive exothermal liquid of bag body simultaneously; by anodal heating rod; the negative pole heating rod; the circuit pathways that electrical socket and power supply are formed; anodal heating rod; the negative pole heating rod is given the liquid heat in the bag body; increase along with heating time; the liquor capacity of bag in the bag body and steam constantly expand to expand down and heave; heave the drive electrical socket along with the bag body; tube connector and holder rise simultaneously; the rising of holder then can drive anodal heating rod and the negative pole heating rod rises; and anodal heating rod and negative pole heating rod be high infraversion malposition be fixed on the holder; therefore after the bag body is heaved to a certain degree; relative that higher heating rod can leave the liquid in bag body earlier in anodal heating rod and the negative pole heating rod; by anodal heating rod; the negative pole heating rod; the circuit breaker that electrical socket and power supply are formed; anodal heating rod and negative pole heating rod have also just stopped the heating to the liquid in the bag body; thereby play automatic limit temperature and prevent the superheated purpose of electric hot-water bag; again because described tube connector is shorter; it is sagging to be not easy deliquescing relatively; can guarantee the validity and the sensitivity of its work; certainly general electric hot-water bag also has other guard block; be provided with the device of automatic limit temperature as device to the hot-water bottle charging; and the employing said structure; it just can also play the limit temperature purpose of prevention after losing efficacy when other temperature-limiting device on the electric hot-water bag; also because it need not to increase other control switch; only need and to be fixed on the holder by anodal heating rod and the high infraversion malposition of negative pole heating rod; and the liquor capacity in the control electric hot-water bag is of moderate size and heating rod can cooperatively interact just passable; therefore simple in structure; make easily; with low cost; good reliability is not easy to damage.

Description of drawings

Fig. 1 is the plan structure schematic diagram of the utility model embodiment;

Fig. 2 be the utility model embodiment to cutaway view (under the normal charging condition);

Fig. 3 be the utility model embodiment to cutaway view (outage limit temperature state under);

Fig. 4 is that the A of Fig. 2 is to view.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

A kind of electric hot-water bag shown in Fig. 1～4, it comprises the bag body of being made by insulating material 1 that has water filling port 2, bag body 1 hollow and be pentagon, certainly also other shape, on bag body 1, have a breach 12, described electrical socket 3 is located in the described breach 12 and is fixing, and described electrical socket 3 top peripheries are equipped with frame 31, and frame 31 is positioned at bag body 1 and is close to bag body 1 inwall and blocks breach 12 peripheries; Described electrical socket 3 is provided with the metal pin 33 that can directly or indirectly link to each other with power supply, metal pin 33 is directly to be communicated with power supply to heat to the conducting liquid in the bag body, also can be to come to the heating of the conducting liquid in the bag body 1 by a charger, electrical socket 3 belows are provided with a base 32 with cavity and insulation, base 32 is parts of whole electrical socket 3, described base 32 is that tube connector 4 is connected with a holder 5 with cavity and insulation by the coupling part of an insulation, the length of tube connector 4 is controlled at and is not more than 2.0 cm range, can also be arranged with a reinforcing sleeve 8 in described tube connector 4 outsides, described base 32, tube connector 4 all is that the insulating material of plastics class is made, holder 5 adopts resistant to elevated temperatures plastics to make, and described base 32, tube connector 4 and holder 5 interconnect and all are contained in bag body 1, anodal heating rod 6 and negative pole heating rod 7 are fixed on the holder, metal pin 3 usefulness leads on the electrical socket are by base 32, anodal heating rod 6 and negative pole heating rod 7 on tube connector 4 and the holder are electrical connection, say exactly that extraneous power supply can be powered and give these

heating rods

6,7, and constitute power-on circuit.Described lead be placed in the cavity of base 32 and pass tube connector 4 after enter in the cavity of holder 5 and link to each other with an end of anodal heating rod 6 and negative pole heating rod 7, owing to anodal heating rod 6, negative pole heating rod 7, metal pin 33 and the lead heating circuit that constitutes that links together is existing very common technology, therefore do not launch in detail to describe, on figure, do not show yet, be fixed on the holder 5 the high infraversion malposition of an end of anodal heating rod 6 and negative pole heating rod 7;

The structure that is fixed on the holder 5 is described anodal heating rod 6 and negative pole heating rod 7 high infraversion malpositions: form two high infraversion malposition lug bosses 51,52 at described holder 5 outer surfaces, described anodal heating rod 6 and negative pole heating rod 7 set firmly respectively in described two lug bosses 51,52, the resistant to elevated temperatures plastics of holder 5 usefulness are made, holder 5 back and coupling part are that tube connector 4 is to adopt injection molding technology to be made of one structure, and base 32 parts of tube connector 4 other ends and the electrical socket structure that links into an integrated entity.Holder 5 can be an inclined design, after tilting, it links into an integrated entity with tube connector 4, and also can be that holder 5 will be fixed the position of anodal heating rod 6 and negative pole heating rod 7 and just stagger, and then link into an integrated entity with tube connector 4.

Solution in the electric hot-water bag adopts salt solution, and its charge weight in sack will be of moderate size, and is adaptive with heating rod setting height(from bottom) and pocket volume size energy.

Operation principle of the present utility model and process are such: a certain amount of conducting liquid such as salt solution are injected in bag body 1 from water filling port 2, after this electric hot-water bag energising heating, just begun because bag body 1 does not have expanded by heating, bag body 1 can be more flat, this moment, anodal heating rod 6 and negative pole heating rod 7 were immersed in below the liquid in bag body 1 simultaneously, by solution, anodal heating rod 6, negative pole heating rod 7, lead, the circuit pathways that electrical socket 3 and power supply are formed, at this moment anodal heating rod 6 and negative pole heating rod 7 are given the liquid heat in the bag body 1, the increase of heating time, bag body 1 expands under the effect of liquor capacity and steam and heaves, along with heaving of bag body 1 drives electrical socket 3, tube connector 4 and holder 5 rise simultaneously, because the rising of holder 5 then drives anodal heating rod 6 and negative pole heating rod 7 rises, again since described anodal heating rod 6 and negative pole heating rod 7 be high infraversion malposition be fixed on the holder 5, therefore after bag body 1 is heaved to a certain degree, utilize part buoyancy, relative that higher heating rod can leave the conducting liquid in bag body 1 with comparalive ease earlier in anodal heating rod 6 and the negative pole heating rod 7, like this by solution, anodal heating rod 6, negative pole heating rod 7, lead, the circuit that electrical socket 3 and power supply are formed will disconnect, stopped heating, thereby played the purpose of automatic limit temperature the liquid in the bag body 1.

Claims

1, a kind of electric hot-water bag, it comprises the bag body of being made by insulating material, the liquid of conducting medium is housed in the bag body, bag is equipped with electrical socket on one's body, described electrical socket is connected with holder by the coupling part, be fixed with anodal heating rod and negative pole heating rod on the holder respectively, anodal heating rod and negative pole heating rod are to be to be electrically connected with on one's body electrical socket of bag, and the length that it is characterized in that described coupling part is controlled at and is not more than in 2.0 cm range.

2, electric hot-water bag according to claim 1 is characterized in that described anodal heating rod and the fixed position of negative pole heating rod on holder are that height staggers mutually.

3, electric hot-water bag according to claim 2 is characterized in that described holder is to adopt resistant to elevated temperatures plastics to make, and the back that tilts links into an integrated entity with the coupling part.

4, electric hot-water bag according to claim 2 is characterized in that described holder is to adopt resistant to elevated temperatures plastics to make, and just staggering in the position of its fixing anodal heating rod and negative pole heating rod, links into an integrated entity with the coupling part then.

5, according to claim 1 or 2 or 3 or 4 described electric hot-water bags, it is characterized in that described coupling part is to be hollow tubular structure, the lead of electrical socket is electrically connected with anodal heating rod and negative pole heating rod on the holder by the coupling part.

6,, it is characterized in that outside, described coupling part also is arranged with a reinforcing sleeve according to claim 1 or 2 or 3 or 4 described electric hot-water bags.