CN2244897Y - Explosion-proof big mouth vacuum bottle - Google Patents

Abstract

The utility model discloses an explosion-proof big mouth vacuum bottle, and relates to the technical field of domestic heat insulating utensils. The utility model is characterized in that a glass bottle liner (4) is a one-layer glass bottle liner of which the outer face is provided with a silver coating layer, and a supporting body (3) is a polyurethane layer filled in a cavity among the glass bottle liner (4), a casing (2) and a base (5). The utility model has the advantages of no explosion, good heat preserving effect and long durability.

Description

Explosion-safe thermos jar

The utility model provides a kind of explosion-safe thermos jar, relates to the heat insulation vessel technical field of family expenses.

The safe thermos jar of widely selling in the market, produce by domestic each glass factory, its structure is referring to figure l, and this safe thermos jar comprises loam cake (1), mouthful circle (2), dish box (3), shell (4), double glazing glass liner (5), base (7), supporting bead (8).Double glazing glass liner (5) is made up of inside and outside layer glass courage, and interlayer is silver-plated, is evacuated from afterbody, and the glass liner bottom surface is connected to tail point (5a).Because this safe thermos jar exists some unreasonable parts on structural design, cause there is following defective: (1), as previously mentioned, because the double glazing glass liner (5) in the safe thermos jar is designed to the double bottle bladder structure, when making double glazing glass liner (5), its inside need be evacuated, operating personnel are when carrying out vacuum pumping like this, usually can be because of the used glass material defectiveness of inside and outside courage or because of existing the explosion accident voluntarily that the stress concentration phenomenon causes taking place double glazing glass liner (5) on the inside and outside courage; In addition, double glazing glass liner (5) after making, because in its interlayer is vacuum, differ greatly with external atmospheric pressure, so go up to form very big pressure differential at double glazing glass liner (5), make big slightly external force such as the safe thermos jar that double glazing glass liner (5) is housed in use is given a shock, falls, bump do the time spent, will cause taking place the explosion accident of double glazing glass liner (5), sometimes in use, even the explosion accident voluntarily of double glazing glass liner (5) can take place.Regardless of being in vacuum or the explosion accident of double glazing glass liner (5) in use taking place, bring certain injury all can for operator or consumer's the person, and, also caused enormous economic loss simultaneously to manufacturer because this accident is common multiple incidents.At present domestic many producers in the process of producing double glazing glass liner (5) and the consumer be equipped with in the process of safe thermos jar of double glazing glass liner (5) in use, such accident all once took place, for this reason, at present a lot of producers all dare not regenerate and produce double glazing glass liner (5) and safe thermos jar thereof, cause very short supply of double glazing glass liner (5) on the market, the consumer is difficult in and has bought double glazing glass liner (5) on the market, so both influenced the economic benefit of producer, in time change damaged double glazing glass liner (5) for again the consumer and bring very big inconvenience, influenced consumer's normal use.From above argumentation as can be seen, the explosion-proof performance of existing safe thermos jar is relatively poor; (2), as previously mentioned, because the bottom of double glazing glass liner (5) is left for the tail point (5a) that vacuumizes usefulness, make existing this safe thermos jar produce, storage, transportation, be given a shock in the use, bump, big slightly external force such as fall and do the time spent, usually cause tail point (5a) to fracture, and then cause the safe thermos jar forfeiture to be incubated the accident of usefulness (being commonly called as cold bottle), present domestic many producers, marketing unit and consumer are producing, sell and use in the process that has safe thermos jar now such accident all once took place, for this reason, at present a lot of producers are because of worrying that a large amount of cold bottles occurring causes marketing unit to be returned goods, all dare not continue to produce double glazing glass liner (5) and safe thermos jar thereof again, some marketing units are reluctant that also group advances this safe thermos jar, the consumer in use will handle with care especially, very careful, so both influence the economic benefit of producer and marketing unit, and brought very big inconvenience for again consumer's daily use.From above argumentation as can be seen, the persistence of existing safe thermos jar insulation usefulness is relatively poor.

The purpose of this utility model is to provide a kind of explosion-safe thermos jar, and this safe thermos jar can not explode in production and use, and insulation usefulness is good and persistence is long.

The purpose of this utility model is achieved through the following technical solutions:

Explosion-safe thermos jar provided by the utility model, it comprises loam cake (1), shell (2), base (5), glass refills (4), supporter (3), its design feature is: glass refills (4) is for there being the single-glass glass liner of silver coating outward, and supporter (3) is for being filled in the polyamine fat layer in the cavity between glass refills (4), shell (2), base (5).

By above technical scheme as seen, the design feature that the explosion-safe thermos jar that is provided newly is provided in this practicality is: glass refills (4) is for there being the single-glass glass liner of silver coating outward, and supporter (3) is for being filled in the polyamine fat layer in the cavity between glass refills (4), shell (2), base (5).

As mentioned above, because glass refills (4) used in the explosion-safe thermos jar provided by the utility model is for there being the single-glass glass liner of silver coating outward, need not to vacuumize, there is not very big pressure differential in glass refills on (4), add that supporter used in the explosion-safe thermos jar (3) is for being filled in glass refills (4), shell (2), polyamine fat layer between base (5) in the cavity, this polyamine fat layer is with glass refills (4), shell (2), when the cavity between base (5) all fills up, outer wall with glass refills (4) firmly and closely encases again, this polyamine fat layer can guarantee that glass refills (4) can never rock between shell (2) and base (5), and played the good action of buffering external impacts, even make that therefore explosion-safe thermos jar is given a shock in production and use, fall, the medium external force of bump equal strength is done the time spent, glass refills (4) can not explode yet, and this has just overcome the defective of existing safe thermos jar explosion-proof performance difference fully.Producer has carried out the random disruptions test to explosion-safe thermos jar voluntarily: randomly draw 10 from bore is 100 explosion-safe thermos jars of 119mm, with these 10 explosion-safe thermos jars, the height from 1000mm allows it vertically fall to the ground voluntarily respectively.Test result is: 10 explosion-safe thermos jars of reception test, the glass refills in them are all excellent, do not seep water at all, and insulation usefulness is not influenced yet.This test result proves that indisputablely explosion-safe thermos jar has remarkable explosion-proof performance, and it is compared with existing safe thermos jar, has realized the improved breakthrough of explosion-proof technology and explosion-proof performance.Can foretell that explosion-safe thermos jar will bring once huge revolution in family expenses Thermal packer ware technical field.

As mentioned above, glass refills in the explosion-safe thermos jar provided by the utility model (4) is for there being the single-glass glass liner of silver coating outward, the processed glass glass liner need not to vacuumize when (4), there is not the tail point in glass refills on (4), owing to do not have the tail point on the glass refills (4), can effectively overcome existing safe thermos jar causes cold bottle because of the tail point fractures this defective, supporter in the explosion-safe thermos jar (3) is for being filled in glass refills (4) in addition, shell (2), polyamine fat layer between base (5) in the cavity, as everyone knows, polyamine fat has excellent heat insulation property, therefore, the insulation usefulness of explosion-safe thermos jar is good and persistence is long.Producer has carried out thermometric test at random to explosion-safe thermos jar voluntarily: randomly draw 10 from bore is 100 explosion-safe thermos jars of 119mm, the boiling water that adds 100 ℃ respectively in these 10 explosion-safe thermos jars left standstill under normal temperature condition 6 hours.Test result is: 10 explosion-safe thermos jars of reception test, and the boiling water temperature in them is 55 ℃; And the index of the existing safe thermos jar holding temperature of regulation is 51 ℃ in the national standard, and therefore, the insulation usefulness of explosion-safe thermos jar has surpassed the regulation in the national standard.This test result proves that indisputablely explosion-safe thermos jar has good insulation usefulness, and this traditional thought pattern that it has thoroughly been broken through that the present heat insulation vessel that generally believe of people must double glazing vacuumize, interlayer could be incubated after silver-plated.

Description of drawings:

Fig. 1 is the structural representation of existing safe thermos jar;

Wherein: 1, loam cake 2, mouthful circle 3, dish box 4, shell 5, double glazing glass liner 5a, tail point 6, asbestos 7, base 8, supporting bead.

Fig. 2 is a structural representation of the present utility model.

Wherein: 1, loam cake 2, shell 3, supporter 4, glass refills 5, base 6, dish box.

The utility model is described in further detail below in conjunction with drawings and Examples:

Referring to Fig. 2, the utility model comprises loam cake (1), dish box (6), shell (2), base (5), glass refills (4), supporter (3), be respectively equipped with external screw thread on the upper and lower housing of shell (2), base (5) spinning that is shaped on internal thread is on the lower case of shell (2), glass refills (4) is placed in the shell (2) that is installed with base (5) and by being located at glass refills (4), shell (2), supporter (3) between base (5) in the cavity is fixed, glass refills (4) is for there being the single-glass glass liner of silver coating outward, supporter (3) is for being filled in glass refills (4), shell (2), polyamine fat layer between base (5) in the cavity, dish box (6) is packed into by the opening on glass refills (4) top in the glass refills (4), and loam cake (1) spinning that is shaped on internal thread is on the upper body of shell (2).

Loam cake (1), shell (2), base (5) can adopt materials such as aluminium, iron, engineering plastics, stainless steel to make, dish box (6) can adopt materials such as non-toxic plastic, stainless steel to make, the thickness of glass refills (4) is 1.5-2mm, constituted by polyamine fat layer, can utilize in order to the supporter (3) of fixing glass glass liner (4) and to place between glass refills (4), shell (2), base (5) blowing agent in the cavity and after foaming, make, described blowing agent is to be formed by combined polyether and isocyanide ester configuration.Glass refills (4) can be blown out different shapes when blowing, do not make by this procedure of processing that foams again and can explode, be incubated the heat insulation vessel of other various family expenses that usefulness is good and persistence is long, as: incubation canteen, thermos cup, tourism cup (kettle), coffee pot etc.

Claims (1)

1, a kind of explosion-safe thermos jar, it comprises loam cake (1), shell (2), base (5), glass refills (4), supporter (3), it is characterized in that: glass refills (4) is for there being the single-glass glass liner of silver coating outward, and supporter (3) is for being filled in the polyamine fat layer in the cavity between glass refills (4), shell (2), base (5).

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