CN108163389A - A kind of durable heat-insulation container preparation method and its cool-bag of preparation - Google Patents
A kind of durable heat-insulation container preparation method and its cool-bag of preparation Download PDFInfo
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- CN108163389A CN108163389A CN201711482317.3A CN201711482317A CN108163389A CN 108163389 A CN108163389 A CN 108163389A CN 201711482317 A CN201711482317 A CN 201711482317A CN 108163389 A CN108163389 A CN 108163389A
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- shell
- seal layer
- low temperature
- exhaust groove
- cool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3837—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container
- B65D81/3841—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container formed with double walls, i.e. hollow
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Abstract
The invention discloses a kind of durable heat-insulation container preparation method and its cool-bag of preparation, step A, prepare auxiliary member, and the auxiliary member stacks for low temperature seal layer and high temperature coating and is welded to each other what is formed；Step B fixes the auxiliary member in the outside of the shell of cool-bag, and the low temperature seal layer is fixed towards the shell, the edge of the high temperature coating with the shell, so as to which the low temperature seal layer is sealed between the high temperature coating and shell.The gas vent is all offered on shell and high temperature coating, the phase transformation of the low temperature seal layer can seal two gas vents, the two aspirating holes, which have any one to be enclosed, can reach thorough vacuum sealing effect, it is substantially reduced so as to the vacuum leak probability of cool-bag, yield rate higher, product are more durable.
Description
Technical field
The present invention relates to vacuum heat-insulating container field more particularly to a kind of durable heat-insulation container preparation method and its preparations
Cool-bag.
Background technology
Existing anury vacuum heat-insulating container manufacturing method is in the bottom of container body, using glass cement in container body
Outside carry out blocking cavity, be metal material however, as container body, and glass cement is nonmetallic materials, therefore glass cement
With the degrees of fusion and degree of adhesion of container body and bad, and glass cement easily splits due to high temperature or vibrations, uses for a long time
Glass cement is easily fallen afterwards, and air enters incubation cavity, and vacuum heat-insulating container is caused not keep the temperature, so that vacuum heat-insulating container
Service life greatly shortens.If changing glass cement into low-temperature metal material, when vacuumizing heating, low-temperature metal material is easy
Aoxidize and crack gap, so as to cause leakage problem, poor air-tightness is not durable.
Invention content
It is an object of the invention to propose the cool-bag of a kind of durable heat-insulation container preparation method and its preparation, low temperature is close
Sealing is not easy to aoxidize when vacuumizing and crack the leakage problem caused by gap, improves yield rate and durability.
For this purpose, the present invention uses following technical scheme：
A kind of durable heat-insulation container preparation method, the cool-bag be take out between the shell and inner casing being made of metal it is true
The cool-bag that sky is formed, forms the incubation cavity of the vacuum of sealing between the shell and inner casing, the preparation method include with
Lower step：
Step A, prepares auxiliary member, and the auxiliary member stacks for low temperature seal layer and high temperature coating and is welded to each other shape
Into, the low temperature seal layer is made by molten metal in melting temperature, and the high temperature coating is by the melting
During temperature will not molten metal be made；
Step B, fixes the auxiliary member in the outside of the shell of cool-bag, and the low temperature seal layer is towards described outer
Shell, the edge of the high temperature coating are fixed with the shell, are covered so as to which the low temperature seal layer is sealed in the high temperature
Between cap rock and shell；
Step C drills out gas vent through the auxiliary member and shell；
The inner casing is mounted in the shell by step D, so as to form the incubation cavity between shell and inner casing；
Step E makes the high temperature coating under, then the low temperature seal layer is placed the cool-bag upper
In evacuated chamber, it is true so as to be taken out the incubation cavity by the gas vent that the evacuated chamber gradually tends to vacuum state
It is empty；
The temperature of the evacuated chamber is gradually risen to the melting temperature simultaneously, the low temperature seal layer melted by heat and
Flowing is until seal the gas vent, so as to which the cool-bag be made.
Preferably, the low temperature seal layer is metal material of the fusing point at 200 DEG C~1200 DEG C；
The high temperature coating is titanium or stainless steel；
The shell is titanium or stainless steel；
The melting temperature of the step E is no more than 1200 DEG C.
Preferably, in the step B, the auxiliary member is fixed in the outside of the bottom of the shell of cool-bag, it is described low
Warm sealant is towards the bottom of the shell, and the bottom of the edge of the high temperature coating with the shell is fixed, so as to institute
Low temperature seal layer is stated to be sealed between high temperature coating and shell；
In the step E, the bottom of the shell is placed in evacuated chamber facing downward.
Preferably, in the step B, the auxiliary member is fixed in the outside of the side wall of the shell of cool-bag, it is described low
Warm sealant is towards the side wall of the shell, and the side wall of the edge of the high temperature coating with the shell is fixed, so as to institute
Low temperature seal layer is stated by between sealing high temperature coating and shell；
In the step E, it is true that the side for being welded with the auxiliary member of the side wall of the shell is placed on to pumping facing downward
In in empty room.
Preferably, the cool-bag manufactured using the durable heat-insulation container preparation method：
The cool-bag is to vacuumize the cool-bag to be formed, the shell between the shell and inner casing being made of metal
The incubation cavity of the vacuum of sealing is formed between inner casing；
The auxiliary member is fixed on the outside of the shell, the low temperature seal layer is covered towards the shell, the high temperature
The edge of cap rock is fixed with the shell, so as to the low temperature seal layer be sealed in the high temperature coating and shell it
Between；
The shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature seal layer is close
Seal the gas vent.
Preferably, the bottom of the shell is equipped with exhaust groove, and the exhaust groove is recessed from outside to inside, the shell
Gas vent is set to the exhaust groove；
The auxiliary member is set to the outside of shell and is fixed in the exhaust groove, the high temperature covering of the auxiliary member
The entire exhaust groove of layer covering, the low temperature seal layer seal the gas vent.
Preferably, the exhaust groove of the bottom of the shell is recessed from outside to inside, and the middle part of the exhaust groove to
Outer protrusion, the edge of the exhaust groove are recessed inwardly, and the gas vent of the bottom of the shell is set to the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the entire exhaust of high temperature coating covering of the auxiliary member is recessed
Slot, the low temperature seal layer seal the gas vent.
Preferably, the side wall of the shell is equipped with exhaust groove, and the exhaust groove is recessed from outside to inside, the shell
Gas vent is set to the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the high temperature coating of the auxiliary member covers on the outside of the shell
The entire exhaust groove of lid, the low temperature seal layer seal the gas vent.
Preferably, the both sides of the side wall of the shell are equipped with the exhaust groove.
Preferably, the exhaust groove of the side wall of the shell is recessed from outside to inside, and the middle part of the exhaust groove to
Outer protrusion, the edge of the exhaust groove are recessed inwardly, and the gas vent of the bottom of the shell is set to the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the entire exhaust of high temperature coating covering of the auxiliary member is recessed
Slot, the low temperature seal layer seal the gas vent.
In the durable heat-insulation container preparation method, the auxiliary member is fixed in the outside of the shell of the cool-bag,
Fixed form can be welding, adherency etc., and the auxiliary member is welded by low temperature seal layer and high temperature coating.Heating vacuumizes
When, the side for being welded with the auxiliary member of the cool-bag is vacuumized facing downward, the incubation cavity is made to exhaust very
After sky, be gradually heated to the melting temperature, the fusing of low temperature seal layer and under the effect of gravity high temperature coating and shell it
Between flow, so as to fusing low temperature seal layer gas vent is blocked, be cooled to room temperature so that low temperature seal layer is consolidated
Change, so as to which the cool-bag of vacuum heat-preserving be made.The cool-bag can be Vacuum insulation bottle, vacuum cup and vacuum heat-preserving
Box etc. can be used high vacuum brazing equipment and be vacuumized.
The short slab of cool-bag sealing effect is unpredictable caused by phase transformation of the low temperature seal layer in fusion process
Potential crack, once cracking, incubation cavity reconditely can gradually lose vacuum effectiveness.The present invention is in the outside of low temperature seal layer
In addition be provided with and do not generate the high temperature coating of phase transformation in the melting temperature, by entire low temperature seal layer be sealed in shell and
Between high temperature coating, and the entire edge of high temperature coating all with the shell welded seal, more tightly；The shell
With the gas vent is all offered on high temperature coating, the phase transformation of the low temperature seal layer can seal two gas vents, the two
Aspirating hole, which has any one to be enclosed, can reach thorough vacuum sealing effect, big so as to the vacuum leak probability of cool-bag
Big reduction, yield rate higher, product are more durable.
Description of the drawings
The present invention will be further described for attached drawing, but the content in attached drawing does not form any limitation of the invention.
Fig. 1 is the cool-bag bottom substance schematic diagram of the one of embodiment of the present invention；
Fig. 2 is that the bottom of the one of embodiment of the present invention vacuumizes flow chart；
Fig. 3 is the cool-bag bottom substance schematic diagram of the one of embodiment of the present invention；
Fig. 4 is that the bottom of the one of embodiment of the present invention vacuumizes flow chart；
Fig. 5 is the cool-bag side wall construction schematic diagram of the one of embodiment of the present invention；
Fig. 6 is that the side wall of the one of embodiment of the present invention vacuumizes pre-structure figure；
Fig. 7 is the cool-bag side wall construction schematic diagram of the one of embodiment of the present invention；
Fig. 8 is that the side wall of the one of embodiment of the present invention vacuumizes pre-structure figure.
Wherein：Auxiliary member 1；Low temperature seal layer 11；High temperature coating 12；Shell 2；Inner casing 3；Incubation cavity 4；Gas vent 13；
Exhaust groove 21.
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
The durable heat-insulation container preparation method of the present embodiment, as shown in Figure 1, the cool-bag be made of metal it is outer
The cool-bag to be formed is vacuumized between shell 2 and inner casing 3, the incubation cavity of the vacuum of sealing is formed between the shell 2 and inner casing 3
4, the preparation method includes the following steps：
Step A, prepares auxiliary member 1, and the auxiliary member 1 stacks mutually for low temperature seal layer 11 and high temperature coating 12
Welding formed, the low temperature seal layer 11 by melting temperature can molten metal be made, the high temperature coating 12 by
In the melting temperature will not molten metal be made；
Step B, fixes the auxiliary member 1 in the outside of the shell 2 of cool-bag, and the low temperature seal layer 11 is towards described
Shell 2, the edge of the high temperature coating 12 are fixed with the shell 2, so as to which the low temperature seal layer 11 is sealed in institute
It states between high temperature coating 12 and shell 2；
Step C drills out gas vent 13 through the auxiliary member 1 and shell 2；
The inner casing 3 is mounted in the shell 2 by step D, so as to form the heat preservation between shell 2 and inner casing 3
Chamber 4；
Step E makes the high temperature coating 12 under, and the low temperature seal layer 11 is upper, then by the cool-bag
Be placed in evacuated chamber, the evacuated chamber gradually tend to vacuum state so as to by the gas vent 13 by the incubation cavity
4 vacuumize；
The temperature of the evacuated chamber is gradually risen to the melting temperature, 11 melted by heat of low temperature seal layer simultaneously
And it flows until the gas vent 13 is sealed, so as to which the cool-bag be made.
In the durable heat-insulation container preparation method, the auxiliary member is fixed in the outside of the shell 2 of the cool-bag
1, fixed form can be welding, adherency etc., and the auxiliary member 1 is welded by low temperature seal layer 11 and high temperature coating 12.Add
When heat vacuumizes, the side for being welded with the auxiliary member 1 of the cool-bag is vacuumized facing downward, makes the heat preservation
After chamber 4 exhausts vacuum, the melting temperature is gradually heated to, the fusing of low temperature seal layer 11 is simultaneously covered in high temperature under the effect of gravity
It is flowed between layer 12 and shell 2, so as to which 11 pairs of gas vent 13 of low temperature seal layer of fusing block, is cooled to room temperature
So that low temperature seal layer 11 cures, so as to which the cool-bag of vacuum heat-preserving be made.The cool-bag can be Vacuum insulation bottle, true
Empty thermal insulation cup and vacuum heat-preserving box etc. can be used high vacuum brazing equipment and vacuumized.
The short slab of cool-bag sealing effect is unexpected caused by phase transformation of the low temperature seal layer 11 in fusion process
Potential crack, once cracking, incubation cavity 4 can reconditely gradually lose vacuum effectiveness.The present invention is in low temperature seal layer 11
Outside be in addition provided with and do not generate the high temperature coating 12 of phase transformation in the melting temperature, entire low temperature seal layer 11 is close
Be enclosed between shell 2 and high temperature coating 12, and the entire edge of high temperature coating 12 all with 2 welded seal of shell,
It is more tight；The gas vent 13, the phase transformation of the low temperature seal layer 11 are all offered on the shell 2 and high temperature coating 12
Two gas vents 13 can be sealed, the two aspirating holes 13, which have any one to be enclosed, can reach thorough vacuum sealing effect,
It is substantially reduced so as to the vacuum leak probability of cool-bag, yield rate higher, product is more durable.Therefore, prepared by the present invention
It is a new-type cool-bag, the auxiliary member 1 for blocking gas vent 13 has two layers different metals (low temperature seal layer 11 and high temperature
Coating 12), block gas vent 13 is that layer of metal that can be melted in the melting temperature, and another layer of metal then will not be in institute
State melting temperature fusing.
Preferably, the low temperature seal layer 11 is metal material of the fusing point at 200 DEG C~1200 DEG C；
The high temperature coating 12 is titanium or stainless steel；
The shell 2 is titanium or stainless steel；
The melting temperature of the step E is no more than 1200 DEG C.
The low temperature seal layer 11 be metal material of the fusing point at 200 DEG C~1200 DEG C, the low temperature seal layer of metal material
11 compare with solid glass glue, not easily broken, and intensity is high and is all that the degrees of fusion of the shell 2 of metal material more preferably is not easy to take off
It falls；Preferably, the low temperature seal layer 11 is prepared using aluminium alloy or copper alloy.The fusing point of aluminium alloy is 500 DEG C~700
In the range of DEG C, for the fusing point of copper alloy in the range of 800 DEG C~900 DEG C, melting temperature is moderate and is all the shell 2 of metal material
Degrees of fusion it is more preferable and not easily to fall off.
Identical metal material can be used in the high temperature coating 12 and the shell 2, and different metal materials can also be used
Material.The fusing point of titanium is 1668 DEG C, and the fusing point of stainless steel is also at 1200 DEG C or more, therefore the fusing point of titanium and stainless steel is equal
Higher than low temperature seal layer 11, when the fusing point of low temperature seal layer 11 has arrived at, low temperature seal layer 11 melts, and material is at this time
The shell 2 and high temperature coating 12 of titanium or stainless steel are also far from reaching its own fusing point, therefore low temperature seal layer 11
It flows in cavity between high temperature coating 12 and shell 2 and the gas vent 13 can be sealed.And titanium or stainless
Steel, it is firm solid, it is resistance to touch wear-resisting, it is not easy to burst, avoid because scalded caused by explosion the features such as, service life is long.Titanium
Also bactericidal effect.Therefore material is the physical property of titanium or the high temperature coating 12 of stainless steel, chemical property is stablized,
Low temperature seal layer 11 in this cavity is not easy to aoxidize when vacuumizing and crack gap, and finished product is avoided to leak air and is asked
Topic improves yield rate.
The melting temperature vacuumized must be more than the fusing point of low temperature seal layer 11, but no more than 1200 DEG C, so both
It can ensure that low temperature seal layer 11 melts seal vents 13, and avoids temperature excessively high and melt high temperature coating 12, shadow
Ring sealing effect.
Preferably, in the step B, the auxiliary member 1 is fixed in the outside of the bottom of the shell 2 of cool-bag, it is described
Low temperature seal layer 11 towards the bottom of the shell 2, consolidate by the bottom of the edge of the high temperature coating 12 with the shell 2
It is fixed, so as to which the low temperature seal layer 11 is sealed between high temperature coating 12 and shell 2；In the step E, by the shell
2 bottom is placed in evacuated chamber facing downward.Auxiliary member 1 can be fixed on to the bottom of the shell 2, when vacuumizing by described in
The bottom of shell 2 is placed in evacuated chamber and is vacuumized and heated facing downward, so as to which the air in incubation cavity 4 can be taken out completely
Out, incubation cavity 4 realizes perfect vacuum, improves heat preservation quality.
Preferably, in the step B, the auxiliary member 1 is fixed in the outside of the side wall of the shell 2 of cool-bag, it is described
Low temperature seal layer 11 towards the side wall of the shell 2, consolidate by the side wall of the edge of the high temperature coating 12 with the shell 2
It is fixed, so as to which the low temperature seal layer 11 is by between sealing high temperature coating 12 and shell 2；In the step E, by the shell 2
The side that is welded with the auxiliary member 1 of side wall be placed in evacuated chamber facing downward.Auxiliary member 1 can be fixed on described
The side wall of shell 2 puts the cool-bag side when vacuumizing, i.e., the side wall of described shell 2 is welded with the auxiliary member 1
Side is put into evacuated chamber and is vacuumized and heated facing downward, so as to which the air in incubation cavity 4 can be fully drawn out coming, heat preservation
Chamber 4 realizes perfect vacuum, improves heat preservation quality.
Preferably, as shown in Figure 1, the cool-bag manufactured using the durable heat-insulation container preparation method：
The cool-bag is that the cool-bag to be formed is vacuumized between the shell 2 and inner casing 3 being made of metal, described outer
The incubation cavity 4 of the vacuum of sealing is formed between shell 2 and inner casing 3；
The outside of the shell 2 is fixed with the auxiliary member 1, and the low temperature seal layer 11 is towards the shell 2, the height
The edge of warm coating 12 is fixed with the shell 2, so as to which the low temperature seal layer 11 is sealed in the high temperature coating
Between 12 and shell 2；
The shell 2 is equipped with the gas vent 13, and the auxiliary member 1 covers the gas vent 13, and the low temperature is close
Sealing 11 seals the gas vent 13.
It is fixed with the auxiliary member 1 in the outside of the shell 2 of the cool-bag, fixed form can be welding, adherency etc.,
The auxiliary member 1 is welded by low temperature seal layer 11 and high temperature coating 12.
As shown in Fig. 2, before heating vacuumizes, the gas vent 13 through auxiliary member 1 and shell 2 is drilled out on shell 2；Heating
When vacuumizing, making the high temperature coating 12, the low temperature seal layer 11 is vacuumized in Shangdi, makes the incubation cavity under
After 4 exhaust vacuum, the melting temperature is gradually heated to, low temperature seal layer 11 melts and under the effect of gravity in high temperature coating
It is flowed between 12 and shell 2, so as to which 11 pairs of gas vent 13 of low temperature seal layer of fusing block, being cooled to room temperature makes
It obtains low temperature seal layer 11 to cure, so as to which the cool-bag of vacuum heat-preserving be made.The container body can be Vacuum insulation bottle, vacuum
Thermal insulation cup and vacuum heat-preserving box etc. can be used high vacuum brazing equipment and vacuumized.
The short slab of cool-bag sealing effect is unexpected caused by phase transformation of the low temperature seal layer 11 in fusion process
Potential crack, once cracking, incubation cavity 4 can reconditely gradually lose vacuum effectiveness.The present invention is in low temperature seal layer 11
Outside be in addition provided with and do not generate the high temperature coating 12 of phase transformation in the melting temperature, entire low temperature seal layer 11 is close
Be enclosed between shell 2 and high temperature coating 12, and the entire edge of high temperature coating 12 all with 2 welded seal of shell,
It is more tight；The gas vent 13, the phase transformation of the low temperature seal layer 11 are all offered on the shell 2 and high temperature coating 12
Two gas vents 13 can be sealed, the two aspirating holes 13, which have any one to be enclosed, can reach thorough vacuum sealing effect,
It is substantially reduced so as to the vacuum leak probability of cool-bag, yield rate higher, product is more durable.
Preferably, as shown in Figure 1, the bottom of the shell 2 is equipped with exhaust groove 21, the exhaust groove 21 is from outside to inside
Recess, the gas vent 13 of the shell 2 are set to the exhaust groove 21；The auxiliary member 1 is set to the outside of shell 2 and consolidates
Due in the exhaust groove 21, the high temperature coating 12 of the auxiliary member 1 covers the entire exhaust groove 21, the low temperature
Sealant 11 seals the gas vent 13.
Auxiliary member 1 can be fixed on the exhaust groove 21, and 11 court of low temperature seal layer by way of welding or bonding
To exhaust groove 21, high temperature coating 12 covers the entire exhaust groove 21, is covered so as to which low temperature seal layer 11 is wrapped in high temperature
In cavity between cap rock 12 and exhaust groove 21, before heating vacuumizes, drilled out at the middle part of auxiliary member 1 through 1 He of auxiliary member
21 gas vent 13 of exhaust groove；Heating is when vacuumizing, by the bottom of the shell 2 be put into facing downward in high vacuum brazing equipment into
Row is vacuumized and is heated, and the air in incubation cavity 4 is complete out of incubation cavity 4 through gas vent 13 under gravity and vacuum environment
It releases, incubation cavity 4 realizes perfect vacuum；And when heating temperature reaches melting temperature, the fusing flowing of low temperature seal layer 11, from
And the gas vent 13 of the 11 pairs of high temperature coating 12 of low temperature seal layer melted blocks, and is cooled to room temperature and causes low temperature seal
Layer 11 cures, so as to which the cool-bag of vacuum heat-preserving be made.
The high temperature coating 12 for not generating phase transformation in the melting temperature is in addition provided in the outside of low temperature seal layer 11,
Entire low temperature seal layer 11 is sealed between shell 2 and high temperature coating 12, and the entire edge of high temperature coating 12
All with 21 welded seal of exhaust groove, more tightly；The exhaust is all offered on the shell 2 and high temperature coating 12
Hole 13, the phase transformation of the low temperature seal layer 11 can seal two gas vents 13, the two aspirating holes 13 have any one to be enclosed
Thorough vacuum sealing effect can be reached, substantially reduced so as to the vacuum leak probability of cool-bag, yield rate higher, product
It is more durable.
Preferably, the surface area of the exhaust groove 21 is smaller, avoids that low temperature seal layer 11 is caused to flow because surface area is larger
Dynamic uneven or thickness is too small and gas vent 13 cannot be fully sealed.
Preferably, the bottom of shell 2 is equipped with multiple exhaust grooves 21.Multiple exhaust grooves 21 are set, so as in shell 2
Bottom drills out multiple gas vents 13, and air when vacuumizing in incubation cavity 4 can be discharged through multiple gas vents 13, is taken out very so as to improve
Air speed degree, and ensure that air is fully drawn out, partial air is avoided to remain in incubation cavity 4, raising vacuumizes quality.
Preferably, as shown in figure 3, the exhaust groove 21 of the bottom of the shell 2 is recessed from outside to inside, and the exhaust
The middle part of groove 21 protrudes outward, and the edge of the exhaust groove 21 is recessed inwardly, and the gas vent 13 of the bottom of the shell 2 is set
It is placed in the exhaust groove 21；The auxiliary member 1 is fixed on the exhaust groove 21, the high temperature coating 12 of the auxiliary member 1
The entire exhaust groove 21 of covering, the low temperature seal layer 11 seal the gas vent 13.The exhaust of the bottom of the shell 2
The middle part of groove 21 protrudes outward, as shown in figure 4, when vacuumizing by the bottom of the shell 2 downward, so as to melt after exhausting vacuum
The low temperature seal layer 11 of change, it is easier to be flowed under the effect of gravity from the edge of exhaust groove 21 to middle part, by high temperature coating
Gas vent 13 on 12 is blocked, and is blocked more reliable.
Preferably, as shown in figure 5, the side wall of the shell 2 is equipped with exhaust groove 21, the exhaust groove 21 is from outside to inside
Recess, the gas vent 13 of the shell 2 are set to the exhaust groove 21；The auxiliary member 1 is fixed on the exhaust groove 21,
The high temperature coating 12 of the auxiliary member 1 is from the entire exhaust groove 21 of the outer side covering of the shell 2, the low temperature seal
The 11 sealing gas vent 13 of layer.
Auxiliary member 1 can be fixed on the exhaust groove 21 by way of welding or bonding, so as to which low temperature seal layer 11 wraps
It is rolled in the cavity between high temperature coating 12 and exhaust groove 21, as shown in fig. 6, before heating vacuumizes, in auxiliary member 1
Portion drills out the gas vent 13 through auxiliary member 1 and exhaust groove 21；It is when heating vacuumizes, being welded with for the side wall of shell 2 is auxiliary
The side of assistant piece 1 is put into high vacuum brazing equipment and is vacuumized and heated facing downward, and the air in incubation cavity 4 is made in gravity
It is fully drawn out out of incubation cavity 4 come incubation cavity 4 realizes perfect vacuum through gas vent 13 with under vacuum environment；And when heating temperature
When degree reaches melting temperature, low temperature seal layer 11 melts, and flows sent out between high temperature coating 12 and shell 2 under the effect of gravity
Raw flowing, so as to which the gas vent 13 of 11 pairs of high temperature coating 12 of low temperature seal layer of fusing blocks, being cooled to room temperature makes
It obtains low temperature seal layer 11 to cure, so as to which the cool-bag of vacuum heat-preserving be made.
Preferably, the both sides of the side wall of the shell 2 are equipped with the exhaust groove 21.
The exhaust groove 21 of the side wall both sides of shell 2 is oppositely arranged, and so as to vacuumize when puts cool-bag side, i.e. shell
The wherein side for being welded with auxiliary member 1 of 2 side wall, which is put into facing downward in high vacuum brazing equipment, to be vacuumized and is heated, position
It is extracted out in the gas vent 13 of air from the exhaust groove 21 directed downwardly of lower section, the air being located above is from exhaust groove 21 upward
Gas vent 13 extract out, so that it is guaranteed that air when cool-bag side is put positioned at side wall is fully drawn out, partial air is avoided to remain
In incubation cavity 4, raising vacuumizes quality.And when heating temperature reaches the fusing point of melting temperature, low temperature seal layer 11 melts,
Under the effect of gravity, the gas vent 13 of 11 pairs of high temperature coating 12 of low temperature seal layer in underlying exhaust groove 21 is close
It seals, the gas vent 13 of 11 pairs of exhaust groove 21 of low temperature seal layer in the exhaust groove 21 being located above seals, and is cooled to often
Temperature is so that low temperature seal layer 11 cures, so as to which the cool-bag of vacuum heat-preserving be made.
Preferably, as shown in fig. 7, the exhaust groove 21 of the side wall of the shell 2 is recessed from outside to inside, and the exhaust
The middle part of groove 21 protrudes outward, and the edge of the exhaust groove 21 is recessed inwardly, and the gas vent 13 of the bottom of the shell 2 is set
It is placed in the exhaust groove 21；The auxiliary member 1 is fixed on the exhaust groove 21, the high temperature coating 12 of the auxiliary member 1
The entire exhaust groove 21 of covering, the low temperature seal layer 11 seal the gas vent 13.
As shown in figure 8, the middle part of the exhaust groove 21 of the side wall of the shell 2 protrudes outward, it will be described outer when vacuumizing
The side for being welded with auxiliary member 1 of the side wall of shell 2 downward, so as to exhaust the low temperature seal layer 11 melted after vacuum, it is easier to
It is flowed under gravity from the edge of exhaust groove 21 to middle part, the gas vent 13 on high temperature coating 12 is blocked, sealed
It is stifled more reliable.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific embodiments that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of durable heat-insulation container preparation method, the cool-bag is vacuumized between the shell and inner casing being made of metal
The cool-bag of formation forms the incubation cavity of the vacuum of sealing between the shell and inner casing, which is characterized in that the preparation side
Method includes the following steps：
Step A, prepares auxiliary member, and the auxiliary member stacks for low temperature seal layer and high temperature coating and is welded to each other to be formed
, the low temperature seal layer is made by molten metal in melting temperature, and the high temperature coating is by the melting temperature
When spending will not molten metal be made；
Step B, fixes the auxiliary member in the outside of the shell of cool-bag, and the low temperature seal layer is towards the shell, institute
The edge for stating high temperature coating is fixed with the shell, so as to the low temperature seal layer be sealed in the high temperature coating and
Between shell；
Step C drills out gas vent through the auxiliary member and shell；
The inner casing is mounted in the shell by step D, so as to form the incubation cavity between shell and inner casing；
Step E makes the high temperature coating under, then the cool-bag is placed on pumping upper by the low temperature seal layer
In vacuum chamber, the evacuated chamber gradually tends to vacuum state so as to vacuumize the incubation cavity by the gas vent；
The temperature of the evacuated chamber is gradually risen to the melting temperature simultaneously, the low temperature seal layer melted by heat and flow
Until the gas vent is sealed, so as to which the cool-bag be made.
2. durable heat-insulation container preparation method according to claim 1, it is characterised in that：
The low temperature seal layer is metal material of the fusing point at 200 DEG C~1200 DEG C；
The high temperature coating is titanium or stainless steel；
The shell is titanium or stainless steel；
The melting temperature of the step E is no more than 1200 DEG C.
3. durable heat-insulation container preparation method according to claim 1, it is characterised in that：
In the step B, the auxiliary member, the low temperature seal layer direction are fixed in the outside of the bottom of the shell of cool-bag
The bottom of the shell, the bottom of the edge of the high temperature coating with the shell is fixed, so as to the low temperature seal layer
It is sealed between high temperature coating and shell；
In the step E, the bottom of the shell is placed in evacuated chamber facing downward.
4. durable heat-insulation container preparation method according to claim 1, it is characterised in that：
In the step B, the auxiliary member, the low temperature seal layer direction are fixed in the outside of the side wall of the shell of cool-bag
The side wall of the shell, the side wall of the edge of the high temperature coating with the shell is fixed, so as to the low temperature seal layer
By between sealing high temperature coating and shell；
In the step E, the side for being welded with the auxiliary member of the side wall of the shell is placed on evacuated chamber facing downward
In interior.
5. the cool-bag manufactured using the durable heat-insulation container preparation method described in 4 any one of Claims 1-4, feature
It is：
The cool-bag is that the cool-bag to be formed is vacuumized between the shell and inner casing being made of metal, the shell and interior
The incubation cavity of the vacuum of sealing is formed between shell；
It is fixed with the auxiliary member on the outside of the shell, the low temperature seal layer is towards the shell, the high temperature coating
Edge fixed with the shell, be sealed between the high temperature coating and shell so as to the low temperature seal layer；
The shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and low temperature seal layer sealing institute
State gas vent.
6. cool-bag according to claim 5, it is characterised in that：The bottom of the shell is equipped with exhaust groove, described
Exhaust groove is recessed from outside to inside, and the gas vent of the shell is set to the exhaust groove；
The auxiliary member is set to the outside of shell and is fixed in the exhaust groove, and the high temperature coating of the auxiliary member covers
The entire exhaust groove of lid, the low temperature seal layer seal the gas vent.
7. cool-bag according to claim 6, it is characterised in that：The exhaust groove of the bottom of the shell is from outside to inside
Recess, and protruded outward in the middle part of the exhaust groove, the edge of the exhaust groove is recessed inwardly, the bottom of the shell
Gas vent be set to the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the high temperature coating of the auxiliary member covers the entire exhaust groove,
The low temperature seal layer seals the gas vent.
8. cool-bag according to claim 5, it is characterised in that：
The side wall of the shell is equipped with exhaust groove, and the exhaust groove is recessed from outside to inside, the gas vent setting of the shell
In the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the outer side covering of high temperature coating from the shell of the auxiliary member is whole
A exhaust groove, the low temperature seal layer seal the gas vent.
9. cool-bag according to claim 8, it is characterised in that：The both sides of the side wall of the shell are equipped with the row
Gas groove.
10. cool-bag according to claim 8, it is characterised in that：
The exhaust groove of the side wall of the shell is recessed from outside to inside, and is protruded outward in the middle part of the exhaust groove, described
The edge of exhaust groove is recessed inwardly, and the gas vent of the bottom of the shell is set to the exhaust groove；
The auxiliary member is fixed on the exhaust groove, and the high temperature coating of the auxiliary member covers the entire exhaust groove,
The low temperature seal layer seals the gas vent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711482317.3A CN108163389B (en) | 2017-12-29 | 2017-12-29 | Durable heat-insulating container and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711482317.3A CN108163389B (en) | 2017-12-29 | 2017-12-29 | Durable heat-insulating container and preparation method thereof |
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| CN108163389B CN108163389B (en) | 2020-04-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000051098A (en) * | 1998-08-10 | 2000-02-22 | Zojirushi Corp | Sealing of vacuum structure |
| GB0022972D0 (en) * | 1999-09-21 | 2000-11-01 | Nippon Oxygen Co Ltd | Sealing portion structure of exhaust hole of double-walled heat-insulating container and sealing method thereof |
| JP4626674B2 (en) * | 2008-05-02 | 2011-02-09 | サーモス株式会社 | Vacuum structure sealing method |
| CN107296522A (en) * | 2017-07-01 | 2017-10-27 | 佛山市铠斯钛科技有限公司 | A kind of novel evacuated cool-bag manufacture method and its vacuum heat-insulating container of manufacture |
| CN107319960A (en) * | 2017-07-01 | 2017-11-07 | 佛山市铠斯钛科技有限公司 | The method and its Vacuum insulation bottle of a kind of Vacuum insulation bottle for preparing long lifespan |
-
2017
- 2017-12-29 CN CN201711482317.3A patent/CN108163389B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000051098A (en) * | 1998-08-10 | 2000-02-22 | Zojirushi Corp | Sealing of vacuum structure |
| GB0022972D0 (en) * | 1999-09-21 | 2000-11-01 | Nippon Oxygen Co Ltd | Sealing portion structure of exhaust hole of double-walled heat-insulating container and sealing method thereof |
| JP4626674B2 (en) * | 2008-05-02 | 2011-02-09 | サーモス株式会社 | Vacuum structure sealing method |
| CN107296522A (en) * | 2017-07-01 | 2017-10-27 | 佛山市铠斯钛科技有限公司 | A kind of novel evacuated cool-bag manufacture method and its vacuum heat-insulating container of manufacture |
| CN107319960A (en) * | 2017-07-01 | 2017-11-07 | 佛山市铠斯钛科技有限公司 | The method and its Vacuum insulation bottle of a kind of Vacuum insulation bottle for preparing long lifespan |
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|---|---|
| CN108163389B (en) | 2020-04-14 |
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