CN207773955U - A kind of cool-bag that vacuum heat-preserving effect is good - Google Patents
A kind of cool-bag that vacuum heat-preserving effect is good Download PDFInfo
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- CN207773955U CN207773955U CN201721927107.6U CN201721927107U CN207773955U CN 207773955 U CN207773955 U CN 207773955U CN 201721927107 U CN201721927107 U CN 201721927107U CN 207773955 U CN207773955 U CN 207773955U
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- seal layer
- low temperature
- high temperature
- auxiliary member
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Abstract
The utility model discloses a kind of cool-bags that vacuum heat-preserving effect is good, the cool-bag is to vacuumize the cool-bag to be formed between shell and inner casing made of metal, it further include auxiliary member, the auxiliary member is that low temperature seal layer and high temperature coating stack and be welded to each other to be formed, the low temperature seal layer by melting temperature can molten metal be made, the high temperature coating by the melting temperature will not molten metal be made；The auxiliary member is fixed on the inside of the shell, the low temperature seal layer is fixed with the shell towards the shell, the edge of the high temperature coating.Entire low temperature seal layer is sealed between shell and high temperature coating, and the entire edge of high temperature coating all with the shell welded seal, more tightly；And it is set to internal auxiliary member and does not touch directly in an impact, it is not easy to touches off, therefore be not easy the vacuum leak caused by collision.
Description
Technical field
The utility model is related to vacuum heat-insulating container field more particularly to a kind of cool-bags that vacuum heat-preserving effect is good.
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, however since container body is metal material, 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 is easy to split because of high temperature or vibrations, uses for a long time
Glass cement is easy to fall 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, vacuum heat-preserving effect is poor.
Utility model content
The purpose of this utility model is that proposing a kind of cool-bag that vacuum heat-preserving effect is good, low temperature seal layer is not easy
It is aoxidized when vacuumizing and cracks the leakage problem caused by gap, improve vacuum heat-preserving effect.
For this purpose, the utility model uses following technical scheme：
A kind of cool-bag that vacuum heat-preserving effect is good, the cool-bag are between shell and inner casing made of metal
The cool-bag to be formed is vacuumized, forms the incubation cavity of the vacuum of sealing between the shell and inner casing；
Further include auxiliary member, the auxiliary member is that low temperature seal layer and high temperature coating stack and be 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 melting temperature
When spending will not molten metal be made；
The auxiliary member is fixed on the inside 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, 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 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.
Preferably, the shell is titanium or stainless steel.
Preferably, the low temperature seal layer is set to the middle part of the high temperature coating, and the low temperature seal layer is close to institute
State the inside of shell, the edge of high temperature coating is fixed with the shell, to the low temperature seal layer be sealed in it is described
Between high temperature coating and shell.
Preferably, it is fixed with the auxiliary member on the inside of the bottom of the shell, the low temperature seal layer is towards described outer
The edge of shell, the high temperature coating is fixed with the shell, is covered to which the low temperature seal layer is sealed in the high temperature
Between cap rock and shell；
The bottom of the shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature is close
Sealing seals the gas vent.
Preferably, it is fixed with the auxiliary member on the inside of the top of the shell, the low temperature seal layer is towards described outer
The edge of shell, the high temperature coating is fixed with the shell, is covered to which the low temperature seal layer is sealed in the high temperature
Between cap rock and shell；
The top of the shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature is close
Sealing seals the gas vent.
Preferably, it is fixed with the auxiliary member on the inside of the side wall of the shell, the low temperature seal layer is towards described outer
The edge of shell, the high temperature coating is fixed with the shell, is covered to which the low temperature seal layer is sealed in the high temperature
Between cap rock and shell；
The side wall of the shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature is close
Sealing seals the gas vent.
The auxiliary member is fixed on the inside of the shell of the cool-bag, fixed form can be welding, adherency etc., institute
Auxiliary member is stated to be welded by low temperature seal layer and high temperature coating.
Before heating vacuumizes, the gas vent through auxiliary member and shell is drilled out on the shell；When heating vacuumizes, make described
Upper, the low temperature seal layer lower is vacuumized high temperature coating, after so that the incubation cavity is exhausted vacuum, is gradually heated up
To the melting temperature, low temperature seal layer is melted and is flowed between high temperature coating and shell under the effect of gravity, from
And the low temperature seal layer melted blocks gas vent, being cooled to room temperature makes low temperature seal layer cure, true to be made
The cool-bag of sky heat preservation.The container body can be Vacuum insulation bottle, vacuum cup and vacuum heat-preserving box etc., and height can be used
Vacuum brazing equipment is 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 can reconditely gradually lose vacuum effectiveness.Therefore another in the outside of low temperature seal layer
It is outer to be provided with the high temperature coating for not generating phase transformation in the melting temperature, entire low temperature seal layer is sealed in shell and height
Between warm coating, and the entire edge of high temperature coating all with the shell welded seal, more tightly；The shell and
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 pumpings
Stomata, which has any one to be enclosed, can reach thorough vacuum sealing effect, so that the vacuum leak probability of cool-bag is significantly
It reduces, yield rate higher, product is more durable.
Since auxiliary member is set to the inside (i.e. in incubation cavity) of shell, shell is without in addition setting groove, manufactured institute
The position of cool-bag auxiliary member not visible from outside is stated, it is more aesthetically pleasing；And internal auxiliary member is not set to it in an impact not
It directly touches, it is not easy to touch off, therefore be not easy the vacuum leak caused by collision.
Description of the drawings
Attached drawing is described further the utility model, but the content in attached drawing does not constitute any limit to the utility model
System.
Fig. 1 is the cool-bag bottom substance schematic diagram of the one of embodiment of the utility model；
Fig. 2 is that the bottom of the one of embodiment of the utility model vacuumizes front-end geometry figure；
Fig. 3 is to vacuumize pre-structure figure at the top of the one of embodiment of the utility model；
Fig. 4 is to vacuumize rear structure chart at the top of the one of embodiment of the utility model；
Fig. 5 is that the side wall of the one of embodiment of the utility model vacuumizes pre-structure figure；
Fig. 6 is that the side wall of the one of embodiment of the utility model vacuumizes rear structure chart.
Wherein：Auxiliary member 1；Low temperature seal layer 11；High temperature coating 12；Shell 2；Inner casing 3；Vacuum heat-preserving chamber 4；Gas vent
13。
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The good cool-bag of the vacuum heat-preserving effect of the present embodiment, as shown in Figure 1, the cool-bag is to be made of metal
Shell 2 and inner casing 3 between vacuumize the cool-bag to be formed, the vacuum of sealing is formed between the shell 2 and inner casing 3
Incubation cavity 4；
Further include auxiliary member 1, the auxiliary member 1 is that low temperature seal layer 11 and high temperature coating 12 are stacked and be welded to each other
It is formed, the low temperature seal layer 11 is made by molten metal in melting temperature, and the high temperature coating 12 is by institute
When stating melting temperature will not molten metal be made；
The inside of the shell 2 is fixed with the auxiliary member 1, and the low temperature seal layer 11 is described towards the shell 2
The edge of high temperature coating 12 is fixed with the shell 2, to which the low temperature seal layer 11 is sealed in the high temperature covering
Between layer 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 inside of the shell 2 of the cool-bag, fixed form can be to weld, adhere to etc.,
The auxiliary member 1 is welded by low temperature seal layer 11 and high temperature coating 12.
Before heating vacuumizes, the gas vent 13 through auxiliary member 1 and shell 2 is drilled out on shell 2；When heating vacuumizes,
Making the high temperature coating 12, the low temperature seal layer 11 lower is vacuumized, and the incubation cavity 4 is made to exhaust vacuum upper
Afterwards, it is gradually heated to the melting temperature, low temperature seal layer 11 melts and under the effect of gravity in high temperature coating 12 and shell 2
Between flow, to fusing 11 pairs of gas vent 13 of low temperature seal layer block, be cooled to room temperature and so that low temperature is close
Sealing 11 cures, to which the cool-bag of vacuum heat-preserving be made.The container body 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 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 embodiment is in low temperature seal layer
In addition 11 outside is provided with the high temperature coating 12 for not generating phase transformation in the melting temperature, entire low temperature seal layer 11 is equal
Be sealed between shell 2 and high temperature coating 12, and the entire edge of high temperature coating 12 all welded with the shell 2 it is close
Envelope, more tightly；The gas vent 13 is all offered on the shell 2 and high temperature coating 12, the low temperature seal layer 11
Phase transformation can seal two gas vents 13, the two aspirating holes 13, which have any one to be enclosed, can reach thorough vacuum sealing effect
Fruit, substantially reduces, yield rate higher to the vacuum leak probability of cool-bag, and product is more durable.
Since auxiliary member 1 is set to the inside (i.e. in incubation cavity 4) of shell 2, shell 2 is made without in addition setting groove
Cool-bag auxiliary member 1 not visible from outside position, it is more aesthetically pleasing；And it is set to internal auxiliary member 1 and is touching
It is not touched directly in hitting, it is not easy to touch off, therefore be not easy the vacuum leak caused by collision.
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 be titanium or stainless steel.
The low temperature seal layer 11 is 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 be all the shell 2 of metal material degrees of fusion it is more preferable and be 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
Within the scope of DEG C, for the fusing point of copper alloy within the scope 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.The heating temperature vacuumized must be more than the fusing point of low temperature seal layer 11, but no more than
It 1200 DEG C, in this way can really low temperature seal layer 11 melts seal vents 13 and temperature is excessively high and make high temperature coating 12
It melts, influences sealing effect.
Preferably, the shell 2 is titanium or stainless steel.
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, avoids and scalded caused by explosion
The features such as, service life is long.Titanium also has bactericidal effect.Therefore material is the high temperature coating 12 of titanium or stainless steel
Physical property, chemical property are stablized, and the low temperature seal layer 11 in this cavity is not easy to aoxidize when vacuumizing and generate and split
Line gap avoids finished product from leaking air problem, improves yield rate and air-tightness.
Preferably, the low temperature seal layer 11 is set to the middle part of the high temperature coating 12, the low temperature seal layer 11
It is close to the inside of the shell 2, the edge of high temperature coating 12 is fixed with the shell 2, to the low temperature seal layer 11
It is sealed between the high temperature coating 12 and shell 2.Ensure that the high temperature coating 12 is tight with low temperature seal layer 11 always
Patch, the generation of Crack prevention.
Preferably, as shown in Figure 1, being fixed with the auxiliary member 1 on the inside of the bottom of the shell 2, the low temperature seal
Layer 11 is towards the shell 2, and the edge of the high temperature coating 12 is fixed with the shell 2, to the low temperature seal layer
11 are sealed between the high temperature coating 12 and shell 2；
The bottom of the shell 2 is equipped with the gas vent 13, and the auxiliary member 1 covers the gas vent 13, and described
Low temperature seal layer 11 seals the gas vent 13.
As shown in Fig. 2, auxiliary member 1 can be fixed on the inside of the bottom of shell 2 by way of welding or bonding, heating is taken out
Before vacuum, gas vent 13 is drilled out when heating vacuumizes through the auxiliary member 1 and shell 2, the cool-bag is just being put into i.e. institute
The bottom for stating shell 2 is put into high vacuum brazing equipment and is vacuumized and heated facing downward, and the air in incubation cavity 4 is in gravity
It is fully drawn out to come out of incubation cavity 4 through gas vent 13 under effect and vacuum environment, incubation cavity 4 realizes perfect vacuum；And when heating
When temperature reaches the melting temperature, the fusing flowing of low temperature seal layer 11, to the row of 11 pairs of shell 2 of low temperature seal layer of fusing
Stomata 13 is blocked, and is cooled to room temperature and low temperature seal layer 11 is cured, and the heat preservation to which vacuum heat-preserving be made is held
Device.
Preferably, as shown in figure 4, being fixed with the auxiliary member 1 on the inside of the top of the shell 2, the low temperature seal
Layer 11 is towards the shell 2, and the edge of the high temperature coating 12 is fixed with the shell 2, to the low temperature seal layer
11 are sealed between the high temperature coating 12 and shell 2；
The top of the shell 2 is equipped with the gas vent 13, and the auxiliary member 1 covers the gas vent 13, and described
Low temperature seal layer 11 seals the gas vent 13.
As shown in figure 3, auxiliary member 1 can be fixed on the inside at the top of shell 2, auxiliary member by way of welding or bonding
1 laterally can fix or be perpendicularly fixed at the edge at the top of shell 2, before heating vacuumizes, run through the auxiliary member 1 and shell 2
Gas vent 13 is drilled out, gas vent 13 is set to lower section if auxiliary member 1 is vertically fixed；When heating vacuumizes, the heat preservation is held
Device being put into top down in high vacuum brazing equipment for the i.e. described shell 2 of putting upside down is vacuumized and is heated, in incubation cavity 4
Air is fully drawn out to come out of incubation cavity 4 under gravity and vacuum environment through gas vent 13, and incubation cavity 4 is realized completely true
It is empty；And when heating temperature reaches the melting temperature, the fusing flowing of low temperature seal layer 11, to the low temperature seal layer of fusing
The gas vent 13 of 11 pairs of shells 2 blocks, and is cooled to room temperature and low temperature seal layer 11 is cured, to which vacuum heat-preserving be made
The cool-bag.
Preferably, as shown in fig. 6, being fixed with the auxiliary member 1 on the inside of the side wall of the shell 2, the low temperature seal
Layer 11 is towards the shell 2, and the edge of the high temperature coating 12 is fixed with the shell 2, to the low temperature seal layer
11 are sealed between the high temperature coating 12 and shell 2；
The side wall of the shell 2 is equipped with the gas vent 13, and the auxiliary member 1 covers the gas vent 13, and described
Low temperature seal layer 11 seals the gas vent 13.
As shown in figure 5, auxiliary member 1 can be fixed on the inside of the side wall of shell 2 by way of welding or bonding, heating is taken out
Before vacuum, gas vent 13 is drilled out through the auxiliary member 1 and shell 2, when heating vacuumizes, by being welded with for the side wall of shell 2
The side of auxiliary member 1 is put into high vacuum brazing equipment and is vacuumized and heated facing downward, and the air in incubation cavity 4 is in gravity
It is fully drawn out to come out of incubation cavity 4 through gas vent 13 under effect and vacuum environment, incubation cavity 4 realizes perfect vacuum；And when heating
When temperature reaches the melting temperature, the fusing flowing of low temperature seal layer 11, to the row of 11 pairs of shell 2 of low temperature seal layer of fusing
Stomata 13 is blocked, and is cooled to room temperature and low temperature seal layer 11 is cured, and the heat preservation to which vacuum heat-preserving be made is held
Device.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art would not require any inventive effort the other specific implementation modes that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (7)
1. a kind of cool-bag that vacuum heat-preserving effect is good, the cool-bag is taken out between shell and inner casing made of metal
The cool-bag being vacuum formed forms the incubation cavity of the vacuum of sealing between the shell and inner casing, it is characterised in that：
Further include auxiliary member, the auxiliary member is that low temperature seal layer and high temperature coating stack and be welded to each other to be formed, institute
State low temperature seal layer by melting temperature can molten metal be made, the high temperature coating by the melting temperature not
Meeting molten metal is made；
It is fixed with the auxiliary member on the inside 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 to the low temperature seal layer；
The shell is equipped with gas vent, and the auxiliary member covers the gas vent, and the low temperature seal layer seals the row
Stomata.
2. the good cool-bag of vacuum heat-preserving effect 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.
3. the good cool-bag of vacuum heat-preserving effect according to claim 1, it is characterised in that：The shell is titanium
Or stainless steel.
4. the good cool-bag of vacuum heat-preserving effect according to claim 1, it is characterised in that：The low temperature seal layer is set
It is placed in the middle part of the high temperature coating, the low temperature seal layer is close to the inside of the shell, and the edge of high temperature coating is equal
It is fixed with the shell, to which the low temperature seal layer is sealed between the high temperature coating and shell.
5. the good cool-bag of vacuum heat-preserving effect according to claim 4, it is characterised in that：The bottom of the shell
Inside is fixed with the auxiliary member, the low temperature seal layer towards the shell, the edge of the high temperature coating with it is described
Shell is fixed, to which the low temperature seal layer is sealed between the high temperature coating and shell；
The bottom of the shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature seal layer
Seal the gas vent.
6. the good cool-bag of vacuum heat-preserving effect according to claim 4, it is characterised in that：The top of the shell
Inside is fixed with the auxiliary member, the low temperature seal layer towards the shell, the edge of the high temperature coating with it is described
Shell is fixed, to which the low temperature seal layer is sealed between the high temperature coating and shell；
The top of the shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature seal layer
Seal the gas vent.
7. the good cool-bag of vacuum heat-preserving effect according to claim 4, it is characterised in that：The side wall of the shell
Inside is fixed with the auxiliary member, the low temperature seal layer towards the shell, the edge of the high temperature coating with it is described
Shell is fixed, to which the low temperature seal layer is sealed between the high temperature coating and shell；
The side wall of the shell is equipped with the gas vent, and the auxiliary member covers the gas vent, and the low temperature seal layer
Seal the gas vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927107.6U CN207773955U (en) | 2017-12-29 | 2017-12-29 | A kind of cool-bag that vacuum heat-preserving effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927107.6U CN207773955U (en) | 2017-12-29 | 2017-12-29 | A kind of cool-bag that vacuum heat-preserving effect is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207773955U true CN207773955U (en) | 2018-08-28 |
Family
ID=63223448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721927107.6U Active CN207773955U (en) | 2017-12-29 | 2017-12-29 | A kind of cool-bag that vacuum heat-preserving effect is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207773955U (en) |
-
2017
- 2017-12-29 CN CN201721927107.6U patent/CN207773955U/en active Active
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