CN1640602A - Stainless steel vacuum thermal-insulating vessel external internal wall pipe communication working method - Google Patents
Stainless steel vacuum thermal-insulating vessel external internal wall pipe communication working method Download PDFInfo
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- CN1640602A CN1640602A CN 200410015108 CN200410015108A CN1640602A CN 1640602 A CN1640602 A CN 1640602A CN 200410015108 CN200410015108 CN 200410015108 CN 200410015108 A CN200410015108 A CN 200410015108A CN 1640602 A CN1640602 A CN 1640602A
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Abstract
The present invention utilizes a stainless steel pipe and makes it be passed through the vacuum heat-insulating layer between inner container and outer shell of stainless steel vacuum heat-insulating container, and connected with inner container wall and outer shell wall so as to make the inner container cavity of the stainless steel vacuum heat-insulating container be communicated with exterior. Said invention utilizes the form of various connecting holes of stainless steel pipe for connecting inner container with outer shell and the form correspondent to stainless steel communicating pipe for meeting various requirements, and adopts the argon shielded arc welding process to make the inner container and outer shell be connected together.
Description
The present invention relates to a kind of processing method that the inside and outside wall pipe is communicated with in the stainless-steel vacuum cool-bag, the processing method when especially between the inner bag of the sidepiece of double-layer stainless steel vacuum heat-preserving kettle or bottom and shell, pipe being set and being communicated with.
Background technology:
The stainless-steel vacuum cool-bag is according to the function of its design, sometimes need between the inner bag of its sidepiece or bottom and shell, settle a communicating pipe, with internal bladder cavity and external communications, by communicating pipe the water in its internal bladder cavity being drawn or the lead of the electrical appliance installed in its inner chamber being drawn etc.Because between the inner bag of stainless-steel vacuum cool-bag and the shell is the vacuum layer structure, will pass vacuum layer communicating pipe is connected with shell with inner bag, the processing method that is connected of communicating pipe and inner bag and shell, all very important for the vacuum that guarantees the stainless-steel vacuum cool-bag and heat insulation effect and outward appearance.Traditional connection processing method is to use the method for soldering that communicating pipe is connected with shell with inner bag.The method of soldering is divided by temperature three kinds: promptly be low temperature brazing, middle temperature brazing and high temperature brazing.Because when the stainless-steel vacuum bottle vacuumizes, need be warmed to 500 ℃-600 ℃, if adopt low temperature brazing and middle temperature brazing, the weld seam fusing point is lower, can not reliably bear negative pressure of vacuum during heating, is difficult in the actual production and uses; If adopt general high-temp soldering method, then weld seam can bear 500 ℃-600 ℃ middle temperature, can not leak vacuum, but during high temperature brazing, can make stainless steel surfaces generation oxide skin and cause being difficult for extracting out vacuum by Yin Gaowen, traditional method, high temperature brazing will be carried out in a vacuum, but vacuum brazing, the cost height, work efficiency is low, and reliability is still low, and outward appearance can be out of shape simultaneously.
Summary of the invention:
Soldering can not be guaranteed the heat insulation effect and the poor reliability of bringing thus of the vacuum of stainless-steel vacuum cool-bag, work efficiency is low, cost is high, the deficiency of appearance poor in order to overcome, the invention provides the processing method that a kind of stainless steel cool-bag inside and outside wall pipe is communicated with, not only guarantee the vacuum of stainless-steel vacuum cool-bag, and can guarantee the quality of outward appearance.
The technical solution adopted for the present invention to solve the technical problems is: a certain position is selected in sidepiece or bottom at stainless-steel vacuum cool-bag inner bag, make a call to a flange hole, for the convenience that illustrates, this specification is an example with the sidepiece punching, the diameter in hole equates with the external diameter of stainless steel communicating pipe, the direction of flange can be inside, also can be outside, to insert stainless steel communicating pipe in the inner bag flange hole, mode with argon arc welding is connected stainless steel communicating pipe with the top end of inner bag in the flange hole, a flange hole is made a call in shell and corresponding position, inner bag flange hole at the stainless-steel vacuum cool-bag, the equal diameters of the diameter in flange hole and stainless steel communicating pipe, the direction of flange is outside, inner bag and shell are cooperated and be connected, be about to be connected inserting stainless steel communicating pipe in the flange hole of shell of inner bag by argon arc welding, the method that inner-tube mouth and outer faucal align with argon arc welding is connected, and stainless steel communicating pipe and shell are connected in the top end in the shell flange hole method with argon arc welding.Be connected with shell at the bottom of being with the exhaust that vacuumizes copper pipe.Like this, the sidepiece of stainless-steel vacuum cool-bag forms a communication with cavity and outside passage.When the vacuum machine vacuumizes by vacuumizing copper pipe, interlayer between inner bag and the shell is evacuated state and forms vacuum heat-insulating layer, with the outside that vacuum layer is communicated to internal bladder cavity the stainless-steel vacuum cool-bag of passing stainless steel communicating pipe between argon arc welding connection inner bag and the shell.
The invention has the beneficial effects as follows and realize internal bladder cavity and outside being communicated with under the situation of the vacuum that guarantees the stainless-steel vacuum cool-bag, and method is easy, cost is low, the reliability height, and outward appearance is unaffected.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is the principal section structural map of stainless-steel vacuum cool-bag;
Fig. 2 is the enlarged drawing of first embodiment of the invention;
Fig. 3 is the principal section structural map of the stainless steel communicating pipe of first embodiment of the invention.
Fig. 4 is the cutaway view of the A1-A1 of Fig. 3;
Fig. 5 is the right view of Fig. 3;
Fig. 6 is the enlarged drawing of second embodiment of the invention;
Fig. 7 is the principal section structural map of the stainless steel communicating pipe of second embodiment of the invention.
Fig. 8 is the cutaway view of the A2-A2 of Fig. 7;
Fig. 9 is the right view of Fig. 7;
Figure 10 is the enlarged drawing of third embodiment of the invention;
Figure 11 is the principal section structural map of the stainless steel communicating pipe of third embodiment of the invention.
Figure 12 is the cutaway view of the A3-A3 of Figure 11;
Figure 13 is the right view of Figure 11;
Figure 14 is the enlarged drawing of four embodiment of the invention;
Figure 15 is the principal section structural map of the stainless steel communicating pipe of four embodiment of the invention.
Figure 16 is the cutaway view of the A4-A4 of Figure 15;
Figure 17 be Figure 15 right view;
Figure 18 is a process chart of the present invention.
Among the figure, 1 inner bag, 2 shells, 3 vacuum layer, 4 vacuumize copper pipe, 5 outer bottoms, 6 first embodiment stainless steel communicating pipes, 7 first embodiment inner bags and communicating pipe weld seam, 8 first example shells and communicating pipe weld seam, 9 second embodiment stainless steel communicating pipes, 10 second example inner bags and communicating pipe weld seam, 11 second embodiment shells and communicating pipe weld seam, 12 the 3rd example stainless steel communicating pipes, 13 the 3rd embodiment inner bags and communicating pipe weld seam, 14 the 3rd example shells and communicating pipe weld seam, 15 the 4th embodiment stainless steel communicating pipes, 16 the 4th example inner bags and communicating pipe weld seam, 17 the 4th embodiment shells and communicating pipe weld seam.
In Fig. 1, a flange hole is made a call in a certain position of the side of inner bag (1), to insert stainless steel communicating pipe in inner bag (1) the flange hole, the diameter in flange hole equates with the external diameter of stainless steel communicating pipe, method with argon arc welding is connected inner bag on the top in flange hole with the end of stainless steel communicating pipe, a flange hole is made a call in the position that shell (2) is corresponding with inner bag (1) flange hole, the diameter in flange hole equates with the external diameter of stainless steel communicating pipe, inner bag (1) and shell (2) are cooperated, the other end that has been connected the stainless steel communicating pipe on the inner bag (1) inserts in the corresponding flange hole of shell (2), shell (2) aligns with the oral area of inner bag (1), method with argon arc welding is connected the oral area of shell (2) with inner bag (1), use the mode of argon arc welding that shell (2) and stainless steel communicating pipe are connected at top, shell (2) flange hole again, band is connected with argon arc welding with outer casing underpart at the bottom of vacuumizing the exhaust of copper pipe (4) then.Interlayer sidepiece between inner bag (1) and the shell (2) just forms a communication with cavity and outside passage like this, by vacuumizing copper pipe (4) state that is evacuated of the interlayer between inner bag (1) and the shell (2) is formed vacuum layer (3), again outer bottom (5) is pressed into the bottom of stainless-steel vacuum vacuum flask, it is wherein hidden to vacuumize copper pipe (4), has so just produced a stainless-steel vacuum cool-bag that has communicating pipe.
In Fig. 2, all outwards dig in the flange hole of the flange hole of inner bag (1) and shell (2), the first embodiment stainless steel communicating pipe (6) was cylindrical, inner bag (1) with first embodiment stainless steel communicating pipe (6) outer wall the first embodiment inner bag that is connected to form of argon arc welding and the top end in communicating pipe weld seam (7) side flanging hole outside inner bag (1), first embodiment shell that the argon arc welding of a shell (2) and an embodiment stainless steel communicating pipe (6) is connected to form and communicating pipe weld seam (8) are at the top end in shell (2) flange hole.Inner bag (1) among the figure (2) and shell (2) adopt the flange hole, make the position of argon arc welding and inner bag (1) and shell (2) that certain distance be arranged, be because the temperature of argon arc welding is higher, if there is not distance, may make inner bag (1) and shell (2) because the distortion of the part that the high temperature of argon arc welding produces.
In Fig. 6, inwardly dig in the flange hole of inner bag (1), outwards dig in the flange hole of shell (2), the shape of the second embodiment stainless steel communicating pipe (9) is similar to the first embodiment stainless steel communicating pipe (6), the second embodiment inner bag (1) that inner bag (1) and (9) argon arc welding of the second embodiment stainless steel communicating pipe are connected to form and the top end in communicating pipe weld seam (10) side flanging hole in inner bag (1), second embodiment shell that the argon arc welding of the shell (2) and the second embodiment stainless steel communicating pipe (9) is connected to form and communicating pipe weld seam (11) are at the top end in shell (2) flange hole.
Among Figure 10, all outwards dig in the flange hole of the flange hole of inner bag (1) and shell (2), the 3rd embodiment stainless steel communicating pipe (12) at the diameter of the cooperation place, flange hole of inner bag (1) flange hole and shell (2) greater than other places, that is to say thicker, this is owing to the precision and the fineness of the inwall of the 3rd embodiment stainless steel communicating pipe (12) need higher sometimes, when connecting the 3rd embodiment stainless steel communicating pipe (12) and inner bag (1) and shell (2) with argon arc welding, made for the 3rd embodiment stainless steel communicating pipe (12) not yielding under the temperatures involved of argon arc welding, other are local similar with Fig. 2.
Among Figure 14, inner bag (1) and shell (2) do not adopt the flange hole, and use punching, adopted two big the 4th embodiment stainless steel communicating pipe (15), middle little, the 4th embodiment inner bag and communicating pipe weld seam (16) are in inner bag (1) inboard, and the 4th embodiment shell and communicating pipe weld seam (17) are in shell (2) outside, adopt this mode, can reach the similar effect of Figure 10.
Claims (1)
1, a kind of processing method of stainless-steel vacuum cool-bag inside and outside wall pipe connection, it is connected with the inside and outside wall of stainless-steel vacuum cool-bag with stainless steel tube, it is characterized in that: by to inner bag and shell flange or the connecting hole without turn-ups and the respective shapes of stainless steel tube connector, adopt the method for argon arc welding, stainless steel tube and cool-bag inside and outside wall are linked together, realize inside and outside courage interlayer internal bladder cavity and outside being communicated with in vacuum state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015108 CN1640602A (en) | 2004-01-09 | 2004-01-09 | Stainless steel vacuum thermal-insulating vessel external internal wall pipe communication working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015108 CN1640602A (en) | 2004-01-09 | 2004-01-09 | Stainless steel vacuum thermal-insulating vessel external internal wall pipe communication working method |
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| Publication Number | Publication Date |
|---|---|
| CN1640602A true CN1640602A (en) | 2005-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410015108 Pending CN1640602A (en) | 2004-01-09 | 2004-01-09 | Stainless steel vacuum thermal-insulating vessel external internal wall pipe communication working method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799533A (en) * | 2015-11-25 | 2017-06-06 | 东莞结宝金属塑胶制品有限公司 | A kind of vacuum tank processing method and a kind of vacuum tank |
| CN110977107A (en) * | 2019-11-18 | 2020-04-10 | 浙江飞剑工贸有限公司 | Manufacturing process of vacuum thermos cup |
-
2004
- 2004-01-09 CN CN 200410015108 patent/CN1640602A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799533A (en) * | 2015-11-25 | 2017-06-06 | 东莞结宝金属塑胶制品有限公司 | A kind of vacuum tank processing method and a kind of vacuum tank |
| CN110977107A (en) * | 2019-11-18 | 2020-04-10 | 浙江飞剑工贸有限公司 | Manufacturing process of vacuum thermos cup |
| CN110977107B (en) * | 2019-11-18 | 2021-11-12 | 浙江飞剑工贸有限公司 | Manufacturing process of vacuum thermos cup |
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Addressee: Chen Antao Document name: Written notice of preliminary examination of application for patent for invention |
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