CN2199505Y

CN2199505Y - Self-heating (self-cooling) cup for canned food and beverage

Info

Publication number: CN2199505Y
Application number: CN94241582U
Authority: CN
Inventors: 王士海; 黄明昌; 严康民; 李宁川
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-04-05
Filing date: 1994-04-05
Publication date: 1995-05-31
Anticipated expiration: 2004-04-05

Abstract

The utility model relates to a self-heating (self-cooling) cup for canned food and beverage, which is composed of a cup body, a reaction liquid bag, a liquid-pressured device, a starting board, etc. The cup body is a two-layer or three-layer structure, which is composed of cardboards with small heat capacity and heat-insulating material. The lower side of a cup bottom is provided with the starting board. The upper side of the cup bottom is provided with the liquid-pressured device. The reaction liquid bag is arranged between the liquid-pressured device and a food and beverage can bottom. Reaction liquid is contained in the reaction liquid bag. A surrounding cavity of the food and beverage can contains reaction host crystal. So long as the starting board at the lower side of the cup bottom is rotated, the heating or cooling performing operations can be carried out immediately. The utility model has the advantages of high quality of heating (cooling), favorable performance of thermal (cool) insulation, low cost and convenient operation. The utility model is used for self-heating (self-cooling) of canned food and beverage.

Description

Self-heating (self-cooling) cup for canned food and beverage

The utility model relates to and a kind of canned food, beverage being heated or the device of refrigeration automatically, and particularly a kind of principle of utilizing known generally acknowledged some chemical substance hydration heat (heating) or aquation heat absorption (refrigeration) heats canned food, beverage etc. or automatic heating (refrigeration) cup of refrigeration.Belong to the technical field that chemical heat or refrigeration principle is applied to daily necessities.

Utilize hydration heat or aquation heat absorption principle that canned food, beverage are heated or refrigeration, must in a device, carry out.Reach desirable heating or cooling effect,, the heat release cheap or the big chemical substance that recepts the caloric, also must meet some requirements the selection of the structure and material of device except selecting, otherwise to heating or cooling effect influence greatly.The factor of influence heating or cooling effect mainly contains aspect structure and material: the thermal capacitance of material itself, according to test, the big material of thermal capacitance is used manyly in the big or structure of the thermal capacitance of material, often can absorb the heat of hydration reaction generation or half of cold, the heat or the cold of generation are made full use of, influence heating or cooling effect, so, under the condition of proof strength, require the thermal capacitance of material the smaller the better; Heat-insulating property with environment, if it is bad with the heat-insulating property of environment, then the heat exchange of heat of reaction or cold and environment fast and with the food that is heated (refrigeration), beverage heat exchange slow (especially congee class can), heat (cold) can not make full use of, and can't reach desirable heating (refrigeration) effect; And under the above two kinds of situation, want to reach heating (refrigeration) effect of expection, and just must increase the consumption of reactant (chemical substance), this certainly will cause device volume to increase again, and manufacturing cost improves; Resistance to heat is that heat flow density is excessive, have little time to carry out the problem of heat exchange with heating object, according to experimental observation, the place of reactant overheap, a large amount of heat of emitting when hydration reaction can't in time spread with heating object carries out heat exchange, and the formation resistance to heat, heating quality can not be produced a desired effect, stir, reaction heat is in time spread as in course of reaction, managing, then can overcome the formation of resistance to heat, reaction heat is fully utilized; Use some chemical substance to carry out hydration reaction when (as heating), also need consider the volumetric expansion problem behind the reaction reaction, promptly structurally leave space for its expansion with the reaction of quick lime and water.In addition for canned food, beverage self-heating (self cooling) cup, its manufacturing cost is low, because the price of canned food, beverage is very not high, if price is improved greatly owing to having increased heating (refrigeration) device, the consumer can not be accepted, do not have market also just to lose the meaning of invention.

Existing number of patent application is the automatic heating of 93224842.X and 93224832.2 or the Can container of refrigeration, it adopts plastics as shell of tank, and inner structural members and kettle etc. mostly are working of plastics greatly, and the thermal capacitance of working of plastics is relatively large, heat of reaction (or cold) has quite a few to be absorbed by structural members such as plastic casings, makes heat (or cold) utilization rate not high; It is not provided with heat insulation layer, makes quite a few heat (or cold) because of can not adiabatic exchanging with environment again, and heating (or refrigeration) effect is descended; The reactant of face is more concentrated under food, the beverage can, produces resistance to heat during reaction, and diffusion in time and food, beverage can carry out heat exchange, on the contrary shell of tank are burnt tumour (projection), accelerates environment heat radiation towards periphery by shell of tank again; Comprehensive above three kinds of situations, through test, its food, beverage can to add thermal effect quite undesirable, can only make congee warm when especially heating sticky food such as canned mixed congee, can regurgitation acid after this warm congee food that contains sugar, so fail to produce a desired effect.In addition, it uses quick lime and water reaction heating, can't reserve the space for the lime volumetric expansion of reaction back in the container, and container is burst.Also have, its structural member adopts working of plastics mostly, and volume is bigger, and annex is many, makes cost higher; Need use instrument (key spanner) to start during use, bring inconvenience to use.

Number of patent application is 93237967.2 " canned food, beverage heat (refrigeration) cup automatically ", there is an inner bag its cup the inside, form a cavity between inner bag and the cup, the reaction solution of splendid attire heating or refrigeration in the cavity, after reaction solution flowed out and react the host reaction, cavity promptly became insulation (cold insulation) chamber, played insulation (cold insulation) heat insulation (every cold) effect, this scheme has solved the adiabatic problem with environment, and heating (refrigeration) effect is improved.But, because this double-deck cup that is provided with inner bag is made of plastic, its thermal capacitance is bigger, heat of reaction (cold) is absorbed by cup, can carry out a certain amount of heat exchange by cup and surrounding environment again, so heat of reaction (cold) can not be fully used, the reaction host of face is more concentrated under food, the beverage can, produce resistance to heat during reaction, diffusion in time and food, beverage can carry out heat exchange, and heat utilization efficiency is affected.In addition, when using quick lime, be not provided with in the cup, cup is burst for the bloated space of splashing of lime volume after the reaction with water reaction heating; Need during use to start, brought inconvenience to use with auxiliary tools.

The purpose of this utility model is: be on the basis of 93237967.2 " canned food, beverage heat (refrigeration) cup automatically " at application number, a kind of improved canned food, beverage self-heating (self cooling) cup are proposed, its thermal insulation (cold insulation) performance is good, the heat utilization efficiency height, heating (refrigeration) is effective, and cost is low, uses easy to operate.

For achieving the above object, the solution that the utility model adopts is: cup adopts double-decker, and interior cup is made with yellow plate paper (strawboard) or white board, agent of inwall painting water-proof adhesive or compound layer of plastic film, the minimum and low price of the thermal capacitance of paperboard; Outer cup is made with heat-insulating materials such as polystyrene foam plastics or polyurethane foam plastics, has good insulation (cold insulation) heat insulation (every cold) performance; Perhaps outer cup is made with yellow plate paper (strawboard) or white board, and interior cup is metal aluminum foil (a kraft compounded aluminium foil); Or cup employing three-decker, inside and outside cup is all made with cardboard, is provided with the good kraft compounded aluminium foil of heat-proof insulation waterproof performance tool between the inside and outside cup; Such solution makes as the thermal insulation of the cup section of heat radiator area maximum (exhausted cold) performance and improves greatly, and makes heat absorption (the inhaling cold) amount of cup reduce to minimum, thereby can improve heat (cold) utilization rate, improves heating (refrigeration) quality.Hydraulic device and screw rod are set at the bottom of the cup, screw rod links to each other with hydraulic device by the screw of being located at the hydraulic device bottom center, the upper end of screw rod is provided with limiting plate, the side of being provided with, lower end tenon, at the bottom of screw rod passes glass and link to each other, at the bottom of the cup, be provided with the shelves post that can limit the hydraulic device rotation with the central square hole of the startup plate of being located at glass beneath face; If the direction turn starts plate in accordance with regulations, screw rod also rotates thereupon, drive hydraulic device and also rotate, but because the effect of shelves post, in fact hydraulic device can not rotate and can only move upward.Be provided with reaction liquid bag between the top and heated food product of hydraulic device, the beverage can, reaction liquid bag is made with common plastic film, interior Sheng reaction solution.Be provided with between the outer tank skin of food, beverage can, jar end and interior cup, the reaction liquid bag and contain reaction host in cavity, the cavity.When direction turn in accordance with regulations starts plate, screw rod also rotates thereupon, and hydraulic device is moved upward, and is located on the hydraulic device pointed tooth on the end periphery and pokes reaction liquid bag and to the reaction liquid bag extruding, the reaction dissolvent in the reaction liquid bag is flowed out, and combines with reaction host and reacts; Continue turn and start plate, break away from the restriction of shelves post when hydraulic device after, be subjected to the position-limiting action of limiting plate again, make hydraulic device, screw rod and startup plate become as a whole, this moment again turn start plate then hydraulic device just with start plate and together rotate and become agitator, reaction stirred makes heat diffusion, has eliminated thermal resistance.After the reaction solution in the reaction liquid bag is discharged, just provided the space that the thermal response thing expands.

In above-mentioned solution, owing to use the little paper board material of thermal capacitance as cup and heat insulation layer in addition, make heat of reaction (cold) and extraneous exchange minimizing, the heat (cold) that cup material itself is absorbed reduces, thereby insulation (cold insulation) heat insulation (every cold) is effective, heat (cold) utilization rate height, heating (refrigeration) quality improves; Owing in course of reaction, have the function of reaction stirred, eliminated thermal resistance, help heat exchange; Owing to use paper material as shell, use cheap plastic film bag splendid attire reaction solution etc., make manufacturing cost cheap, be easy to accept into the consumer; Because use plastic film bag splendid attire reaction solution, reaction solution has been vacateed the space after discharging, and has solved the place to go of reactant volumetric expansion; Owing to react startup without auxiliary tools, made things convenient for use.

Engaging drawings and Examples below is described in further detail the utility model.

Accompanying drawing 1 is the basic structure sketch (half sectional view) of the utility model canned food, beverage self-heating (self cooling) cup.

The basic structure of present embodiment, mainly by interior cup (4), outer cup (3), bowl cover (2), fall cup-shaped bracing ring (6), the cup end (13), reaction liquid bag (8), hydraulic device (10) and startup plate (14) and formed.The cup interior cup (4) of serving as reasons, the double-decker that outer cup (3) is formed, interior cup (4) inwall painting water-proof adhesive agent or compound layer of plastic film, or interior cup (4) is made with kraft compounded metal aluminum foil, the perhaps cup interior cup (4) of serving as reasons, outer cup (3), be provided with the three-decker that kraft compounded aluminium foil is formed between inside and outside cup, food, beverage can (1) places central authorities in the cup, cover upwards, the jar end, down, food, the cover crimping bottom of drink jar (1) is provided with bowl cover (2), the through hole of bowl cover (2) central authorities snaps in food, in the cover crimping bottom annular groove of beverage can (1), food, beverage can (1) jar crimping top, the end is provided with down cup-shaped bracing ring (6), the cup-shaped bracing ring (6) that falls is the cup-shaped circle of mouth down, fall cup-shaped bracing ring (6) the cup end central authorities through hole snap in food, in jar crimping top, the end annular groove of beverage can (1), thereby make food, drink jar (1), the bowl cover (2) and the cup-shaped bracing ring (6) that falls are connected as a single entity; Interior cup (4) and outer cup (3) place bowl cover (2) and fall between the cup-shaped bracing ring (6), in the downward cannelure of embedding bowl cover suitable for reading (2) peripheral openings of interior cup (4) and ectosome body (3), and end opening embeds down in the cannelure that cup-shaped bracing ring (6) lower end peripheral openings makes progress, thereby food, beverage can (1), interior cup (4) and outer cup (3), bowl cover (2) and the cup-shaped bracing ring (6) that falls are connected as a single entity.Fall the bottom of cup-shaped bracing ring (6) be provided with glass at the bottom of (13), the cup end (13) is provided with a grade post (11), be provided with below the cup end (13) and start plate (14), be provided with hydraulic device (10) and screw rod (12) above the cup end (13), hydraulic device (10) is gone up end periphery and is provided with pointed tooth, screw rod (12) links to each other with hydraulic device (10) by the screw of being located at hydraulic device (10) bottom center, the upper end of screw rod (12) is provided with limiting plate (9), the side of being provided with, the lower end tenon of screw rod (12), the square tenon of being located at screw rod (12) lower end of (13) is connected at the bottom of starting the square hole of plate (14) by centre located therein and passing glass.Be provided with reaction liquid bag (8) above the hydraulic device (10), the interior splendid attire reaction solution of reaction liquid bag (8).Be provided with shelves with food, beverage can (1) above the reaction liquid bag (8) at jar the end and encircle (7).Be provided with cavity (5), the interior splendid attire reaction of cavity (5) host between food, the outer tank skin of beverage can (1), jar end and interior cup (4), the reaction liquid bag (8).

During use, the direction turn starts plate (14) in accordance with regulations, screw rod (12) also rotates thereupon, drive hydraulic device (10) also rotates thereupon, but, shelves posts (11) rotate because having limited hydraulic device (10), hydraulic device (10) is moved upward, under the position-limiting action of shelves ring (7), the pointed tooth that hydraulic device (10) is gone up on the end periphery is poked the plastic sheeting of reaction liquid bag (8), and under the extruding of hydraulic device (10), force the reaction solution in the reaction liquid bag (8) to flow out, carry out hydration heat (or aquation heat absorption) reaction with the reaction host in the cavity (5), thereby to food, food in the beverage can (1), beverage heats (or refrigeration).After breaking away from the restriction of shelves posts (11) in hydraulic device (10) motion process, be subjected to the position-limiting action of limiting plate (9) again, can not proceed motion upwards, and rotate with starting plate (14) and screw rod (12), and become agitator, reaction stirred, make heat diffusion, eliminate thermal resistance, made reaction heat continuation and food, beverage can (1) carry out heat exchange, improved the efficiency of heating surface.

Interior cup (4) is used white board, cardboard manufacturings such as yellow plate paper, outer cup (3) is with heat-insulating material manufacturings such as polystyrene foam plastics or polyurethane foam plastics, perhaps outer cup (3) is also used white board, cardboard manufacturings such as yellow plate paper, the kraft compounded aluminium foil of folder one deck between interior cup (4) and the outer cup (3), perhaps outer cup (3) is used white board, yellow plate plate is made, interior cup (4) is with kraft compounded aluminium foil manufacturing, bowl cover (2), fall cup-shaped bracing ring (6), hydraulic device (10), the cup end (13), screw rod (12), start plate (14), limiting plate (9) etc. is made with common plastics, reaction liquid bag (8) is used the common plastic film manufacturing, and shelves cups (7) are made with cardboard.

Claims

1, a kind of canned food, beverage self-heating (self cooling) cup, mainly by interior cup (4), outer cup (3), bowl cover (2), fall cup-shaped bracing ring (6), the cup end (13), reaction liquid bag (8), hydraulic device (10) and startup plate (14) are formed, it is characterized in that: the cup interior cup (4) of serving as reasons, the double-decker that outer cup (3) is formed, the perhaps cup interior cup (4) of serving as reasons, outer cup (3), the three-decker that the kraft compounded aluminium foil of therebetween one deck is formed, food, beverage can (1) places central authorities in the cup, cover upwards, the jar end, down, food, the cover crimping bottom of beverage can (1) is provided with bowl cover (2), the through hole of bowl cover (2) central authorities snaps in food, in the cover crimping bottom annular groove of beverage can (1), food, the jar crimping top, the end of beverage can (1) is provided with down cup-shaped bracing ring (6), the cup-shaped bracing ring (6) that falls is the cup-shaped circle of mouth down, fall cup-shaped bracing ring (6) the cup end central authorities through hole snap in food, in jar crimping top, the end annular groove of beverage can (1), thereby make food, beverage can (1), the bowl cover (2) and the cup-shaped bracing ring (6) that falls are connected as a single entity; Interior cup (4) and outer cup (3) place bowl cover (2) and fall between the cup-shaped bracing ring (6), in the downward cannelure of embedding bowl cover suitable for reading (2) peripheral openings of interior cup (4) and outer cup (3), and end opening embeds down in the cannelure that cup-shaped bracing ring (6) lower end peripheral openings makes progress, thereby food, beverage can (1), interior cup (4), outer cup (3), bowl cover (2) and the cup-shaped bracing ring (6) that falls are connected as a single entity; Fall the bottom of cup-shaped bracing ring (6) be provided with glass at the bottom of (13), the cup end (13) below be provided with start plate (14), the cup end (13) above be provided with hydraulic device (10) and screw rod (12), be provided with reaction liquid bag (8) above the hydraulic device (10), the interior splendid attire reaction solution of reaction liquid bag (8), be provided with cavity (5) between the outer tank skin of food, beverage can (1), jar end and interior cup (4), the reaction liquid bag (8), the interior splendid attire reaction of cavity (5) host.

2, canned food according to claim 1, beverage self-heating (self cooling) cup, it is characterized in that: screw rod (12) links to each other with hydraulic device (10) by the screw of hydraulic device (10) bottom center; The side of being provided with, the lower end tenon of screw rod (12), the square tenon of being located at screw rod (12) lower end of (13) is connected at the bottom of starting the square hole of plate (14) by centre located therein and passing glass.

3, canned food according to claim 1, beverage self-heating (self cooling) cup is characterized in that: be provided with shelves with food, beverage can (1) above the reaction liquid bag (8) at jar the end and encircle (7); Hydraulic device (10) is gone up end periphery and is provided with pointed tooth; The top of screw rod (12) is provided with limiting plate (9); The cup end (13) is provided with a grade post (11).

4, canned food according to claim 1, beverage self-heating (self cooling) cup is characterized in that: cardboard manufacturings such as interior cup (4) white board, yellow plate paper, and agent of inwall painting water-proof adhesive or compound layer of plastic film; Outer cup (3) is with heat-insulating material manufacturings such as polystyrene foam plastics or polyurethane foam plastics; Perhaps outer cup (3) is also used cardboard manufacturings such as white board, yellow plate paper, the kraft compounded aluminium foil of folder one deck between outer cup (3) and the interior cup (4); Perhaps outer cup (3) is with cardboard manufacturings such as white boards, yellow plate paper, and interior cup (4) is with kraft compounded aluminium foil manufacturing; Reaction liquid bag (8) is made with common plastic film.