CN220293389U - Cup body structure of titanium liner thermos cup - Google Patents
Cup body structure of titanium liner thermos cup Download PDFInfo
- Publication number
- CN220293389U CN220293389U CN202321572604.4U CN202321572604U CN220293389U CN 220293389 U CN220293389 U CN 220293389U CN 202321572604 U CN202321572604 U CN 202321572604U CN 220293389 U CN220293389 U CN 220293389U
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- China
- Prior art keywords
- connecting ring
- shell
- liner
- titanium
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010936 titanium Substances 0.000 title claims abstract description 30
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 29
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 17
- 239000010935 stainless steel Substances 0.000 claims abstract description 17
- 238000005219 brazing Methods 0.000 claims abstract description 13
- 150000003608 titanium Chemical class 0.000 claims abstract description 6
- 229910000679 solder Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 230000004907 flux Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 20
- 230000008569 process Effects 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Thermally Insulated Containers For Foods (AREA)
Abstract
The utility model discloses a cup body structure of a titanium liner vacuum cup, which has the advantages of simple structure, easy processing, uniform welding spots and firm welding; comprises a shell and an inner container which are welded and connected at the opening part, wherein a vacuum layer is arranged between the shell and the inner container; the shell comprises a shell body, a connecting ring and a shell bottom, wherein the upper port of the shell bottom is welded with the lower port of the shell body, the connecting ring and the inner container are made of titanium, and the shell body and the shell bottom are made of stainless steel; the connecting ring is tightly matched with the inner side wall of the opening of the outer shell, a cavity is formed between the connecting ring and the outer shell in a surrounding mode, the welding flux wires encircle the outer side wall of the connecting ring and are arranged in the cavity, and a connecting piece is formed after the cavity is filled with the welding flux wires through vacuum brazing and is used for fixedly connecting the connecting ring and the outer shell; the connecting ring is welded with the inner container at the upper port.
Description
Technical Field
The utility model belongs to the technical field of water cups, and particularly relates to a cup body structure of a titanium liner thermos cup.
Background
The existing thermos cup is a container made of double-layer stainless steel and a vacuum layer, a heat preservation cover is arranged at the top of the container, the vacuum layer is tightly sealed, and heat dissipation can be delayed by the vacuum layer so as to achieve the heat preservation effect. However, the inner container of the existing thermos cup is generally made of stainless steel, particularly when drinks such as fruit juice and carbonated drinks are contained, heavy metal precipitation occurs, the taste of the drinks can be influenced when the thermos cup is used for a long time, the drinks are easy to deteriorate, the inner container of the thermos cup is damaged due to the fact that the drinks are gradually corroded by the stainless steel, and the service life of the thermos cup is influenced.
In this regard, various thermos cups made of titanium materials have been developed: for example, chinese patent publication No. CN212221148U discloses a thermal insulation container, which comprises a titanium material inner container and a stainless steel outer shell; a vacuum heat-insulating cavity is formed between the inner container and the outer shell, a welding cavity is formed at the opening of the upper end of the inner container and the opening of the upper end of the outer shell, and the inner container and the outer shell are connected through the powerful solder in a vacuum brazing mode at the welding cavity. The titanium material liner for the heat preservation container replaces the traditional stainless steel liner, and solves the problem of heavy metal migration in the stainless steel caused by acidic substances. However, because the melting points of titanium and stainless steel are different, special welding materials are needed for welding the titanium and the stainless steel, and the welding materials also contain heavy metals such as silver, copper and the like, the welding parts of the titanium material of the heat-insulating container and the stainless steel shell are arranged at the container opening, and the phenomenon that the heavy metals in the welding materials migrate into the inner container is found in detection, so that the heat-insulating container is not beneficial to long-term use; the utility model also discloses a strong welding flux which is powdery, is not easy to operate during welding operation, is easy to fill unevenly, overflows in more places, is not filled fully in less places, is not even in welding spots, and is not vacuum due to uneven welding points or poor in firmness after welding; in addition, the solder is arranged at the upper end part and can be contacted with a human body, and the components in the solder contain various heavy metals, so that the solder is not safe enough; improvements are also needed.
Disclosure of Invention
The utility model aims to provide a cup body structure of a titanium liner vacuum cup, which has the advantages of simple structure, easiness in processing, uniform welding spots and firmness in welding.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
A cup body structure of a titanium liner thermos cup comprises a shell and a liner which are welded and connected at the opening part, wherein a vacuum layer is arranged between the shell and the liner; the shell comprises a shell body, a connecting ring and a shell bottom, wherein the upper port of the shell bottom is welded with the lower port of the shell body, the connecting ring and the inner container are made of titanium, and the shell body and the shell bottom are made of stainless steel; the connecting ring is tightly matched with the inner side wall of the opening of the outer shell, a cavity is formed between the connecting ring and the outer shell in a surrounding mode, the welding flux wires encircle the outer side wall of the connecting ring and are arranged in the cavity, and a connecting piece is formed after the cavity is filled with the welding flux wires through vacuum brazing and is used for fixedly connecting the connecting ring and the outer shell; the connecting ring is welded with the inner container at the upper port.
Preferably, the solder wire is formed of BAgCu28.
Preferably, the connecting ring is provided with a ring groove in the middle part of the outer side of the connecting ring in an inward concave manner, a cavity is formed between the ring groove and the outer shell, and the welding wire surrounds the ring groove.
Preferably, the lower part of the connecting ring is provided with a guiding part which is bent inwards.
Preferably, the connecting ring is provided with a straight edge and an outward folded edge from top to bottom in sequence; the opening part of the outer shell is sequentially provided with a straight opening part and an outward connecting part from top to bottom; the straight edge, the folded edge and the connecting part jointly enclose a cavity; the solder wire surrounds the lower end of the straight edge and is placed in the cavity.
Preferably, the opening of the liner is outwards bent and turned to form a curled edge part, and the outer side of the curled edge part is provided with a vertical section; the vertical section is tightly matched with the inner side of the connecting ring and is fixed at the upper end part through welding connection.
Preferably, the opening of the liner extends radially outwards to form a lapping part, and the outer end of the lapping part is lapped on the upper end part of the connecting ring and is fixedly connected by welding.
Preferably, the opening of the liner is a straight opening, and the upper end of the liner is welded and connected with the connecting ring after the liner is tightly inserted into the inner side of the connecting ring.
Compared with the prior art, the utility model has the beneficial effects that: by adopting the technical scheme, the connecting ring is arranged, so that the connecting ring can be conveniently and efficiently wound and fixed on the outer side of the connecting ring, and the filling cavities of the connecting pieces after the welding wires are melted are uniformly distributed by a vacuum brazing process, so that the connecting ring made of titanium materials and the outer shell made of stainless steel materials can be firmly connected, and the problem of non-vacuum caused by welding leakage is avoided; besides, the brazing material is coated in the cavity and cannot be contacted with a human body, so that the structure is better in safety, simple and easy to process, and the problems in the prior art can be well solved.
The method has the further beneficial effects that: the BAgCu28 is adopted as a brazing material of the welding wire, so that the stainless steel outer shell and the titanium connecting ring can be firmly and fixedly connected together through a vacuum brazing process; the connecting ring can be provided with various structures, and the ring groove is arranged so as to be convenient for winding solder wires and forming a cavity; the connecting ring is provided with a guide part which is bent inwards, so that the connecting ring is conveniently inserted into the inner side wall of the opening of the outer shell in a tightly fit and guide way from top to bottom; secondly, a straight edge and an outward folded edge are sequentially arranged from top to bottom; the joint part formed by the opening part of the outer shell jointly encloses a cavity.
Still further beneficial effect is: through the arrangement, the liner suitable for various opening structures, such as a hemming structure, a lapping structure or a straight opening structure, can be matched.
Drawings
Fig. 1 is a cross-sectional view and an enlarged view of a portion a of a first cup structure according to the present utility model.
Fig. 2 is a cross-sectional view and an enlarged view of a portion B of a second cup structure according to the present utility model.
Fig. 3 is a cross-sectional view and an enlarged view of a portion C of a third cup structure according to the present utility model.
Fig. 4 is a cross-sectional view and an enlarged view of a portion D of a fourth cup structure according to the present utility model.
Fig. 5 is a cross-sectional view and an enlarged view of the portion E of the first connector ring structure of fig. 1 or 2.
Fig. 6 is a cross-sectional view of the second connector ring structure of fig. 3 or 4.
Description of the embodiments
In order to make the technical scheme of the present utility model clearer, the present utility model will be described in detail with reference to fig. 1 to 6. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
The cup body structure of the titanium liner thermos cup, as shown in figure 1, comprises a shell 1 and a liner 2 which are welded and connected at the mouth part, wherein a vacuum layer is arranged between the shell (1) and the liner (2); the shell 1 comprises a shell body 11, a connecting ring 12 and a shell bottom 13; the connecting ring 12 is fixedly connected to the inner side wall of the opening of the outer shell 11, the upper port of the outer shell bottom 13 is welded with the lower port of the outer shell 11, the outer shell 11 and the outer shell bottom 13 are made of stainless steel materials, and the inner container 2 and the connecting ring 12 are made of titanium materials; the inner container 2 and the connecting ring 12 are welded and connected at the upper port.
As shown in fig. 5, the connecting ring 12 is provided with a ring groove 121 in the middle of the outer side thereof in an inward concave manner, and a guiding part 122 bent inwards is provided at the lower part thereof; the ring groove 121 is internally and circularly provided with a solder wire 3, the solder wire 3 is made of BAgCu28, and a connecting piece 31 is formed by melting after a vacuum brazing process and is used for fixedly connecting the connecting ring 12 on the outer shell 11; the guide part 122 is convenient for the connecting ring 12 to be inserted into the inner side wall of the mouth part of the outer shell 11 in a tight fit way from top to bottom, and has a guiding function.
The opening of the liner 2 is outwards bent to form a curled edge part 21, and the curled edge part 21 is sequentially provided with a vertical section 211 and a guide section 212 from top to bottom as shown in fig. 1; the vertical section 211 is tightly matched with the inner side of the connecting ring 12 and fixed at the upper end part by welding; the guiding section 212 is bent inwards to have a guiding function, so that the liner 2 can be conveniently inserted into the connecting ring 12 smoothly, and the guiding section 212 can avoid the annular groove 121.
Through the structure arrangement, the connecting ring 12 is arranged, and the solder wires 3 made of the BAgCu28 are used as brazing materials, so that the connecting ring can be conveniently and efficiently wound and fixed in the grooves 121 of the connecting ring 12, and the connecting pieces 31 after the melting of the solder wires 3 are distributed uniformly through a vacuum brazing process, so that the connecting ring 12 made of titanium material and the outer shell 11 made of stainless steel material can be firmly connected; the brazing material is coated in the connecting ring 12, so that the brazing material cannot contact a human body, and the safety is better; the structure is simple and easy to process, and the problems in the prior art can be well solved.
Example 2
The following configuration may be made for the liner 2 in addition to the embodiment 1.
The inner container 2, as shown in figure 2, has a mouth extending radially outwards to form a lapping part 22, the outer end of the lapping part 22 is lapped on the upper end part of the connecting ring 12, and the outer end of the lapping part 22 is fixedly connected with the upper end part of the connecting ring 12 by welding; the liner 2 having this structure has fewer processing steps and high efficiency compared to the liner of example 1.
Example 3
The cup body structure of the titanium liner thermos cup, as shown in figure 3 or 4, comprises a shell 1 and a liner 2 which are welded and connected at the opening part, wherein a vacuum layer is arranged between the shell (1) and the liner (2); the shell 1 comprises a shell body 11, a connecting ring 12 and a shell bottom 13; the connecting ring 12 is fixedly connected to the inner side wall of the opening of the outer shell 11, the upper port of the outer shell bottom 13 is welded with the lower port of the outer shell 11, the outer shell 11 and the outer shell bottom 13 are made of stainless steel materials, and the inner container 2 and the connecting ring 12 are made of titanium materials; the inner container 2 and the connecting ring 12 are welded and connected at the upper port.
The connecting ring 12 is provided with a straight edge 123 and an outward folded edge 124 from top to bottom as shown in fig. 6; the mouth part of the outer shell 11 is provided with a straight mouth part 111 and an outward joint part 112 in sequence from top to bottom; the straight edge 123, the folded edge 124 and the joint 112 on the connecting ring 12 jointly enclose a cavity; the solder wire 3 is wound at the lower end of the straight edge 123 and placed in the cavity, the solder wire 3 is made of BAgCu28, and after the solder wire 3 is melted and filled in the accommodating cavity to solidify, the connecting piece 31 is formed for connecting the fixed connecting ring 12 and the outer shell 11.
As shown in fig. 3, the opening of the liner 2 is a straight opening, and can be directly and tightly inserted into the inner side of the connecting ring 12, and is welded and connected with the connecting ring 12 at the upper end.
As shown in fig. 4, the inner container 2 may also be formed by bending the mouth portion outwards to form a curled portion 21, wherein the vertical section 211 of the curled portion 21 is tightly matched with the inner side of the connecting ring 12 and fixed at the upper end portion by welding; the curled portion 21 may increase the thickness of the mouth and may make contact with the lips better.
Claims (8)
1. The cup body structure of the titanium liner thermos cup comprises a shell (1) and a liner (2) which are welded and connected at the opening part, wherein a vacuum layer is arranged between the shell (1) and the liner (2); the shell (1) comprises a shell body (11), a connecting ring (12) and a shell bottom (13), wherein the upper port of the shell bottom (13) is welded with the lower port of the shell body (11), the connecting ring (12) and the liner (2) are made of titanium, and the shell body (11) and the shell bottom (13) are made of stainless steel; the method is characterized in that: the connecting ring (12) is tightly matched with the inner side wall of the opening of the outer shell (11), a cavity is formed between the connecting ring (12) and the outer shell (11), the welding wire (3) surrounds the outer side wall of the connecting ring (12) and is arranged in the cavity, and a connecting piece (31) is formed after the cavity is filled with the welding wire (3) by vacuum brazing and is used for fixedly connecting the connecting ring (12) and the outer shell (11); the connecting ring (12) is welded with the inner container (2) at the upper port.
2. The cup structure of the titanium liner thermos cup according to claim 1, wherein: the solder wire (3) is made of BAgCu28.
3. The cup structure of the titanium liner thermos cup according to claim 1, wherein: the middle part of the outer side of the connecting ring (12) is provided with an annular groove (121) in an inward concave manner, a cavity is formed between the annular groove (121) and the outer shell (11), and the solder wire (3) surrounds the annular groove (121).
4. The cup structure of the titanium liner thermos cup according to claim 2, wherein: the lower part of the connecting ring (12) is provided with a guiding part (122) which is bent inwards.
5. The cup structure of the titanium liner thermos cup according to claim 1, wherein: the connecting ring (12) is provided with a straight edge (123) and an outward folded edge (124) from top to bottom in sequence; the opening part of the outer shell (11) is sequentially provided with a straight opening part (111) and an outward connecting part (112) from top to bottom; the straight edge (123), the folded edge (124) and the joint part (112) jointly enclose a cavity; the solder wire (3) is arranged in the cavity around the lower end of the straight edge (123).
6. A cup structure of a titanium liner thermos cup according to any one of claims 3 to 5, wherein: the opening part of the liner (2) is outwards bent and turned to form a curled edge part (21), and a vertical section (211) is arranged at the outer side of the curled edge part (21); the vertical section (211) is tightly matched with the inner side of the connecting ring (12) and is fixed at the upper end part through welding connection.
7. A cup structure of a titanium liner thermos cup according to any one of claims 3 to 5, wherein: the opening part of the liner (2) radially extends outwards to form a lapping part (22), and the outer end of the lapping part (22) is lapped on the upper end part of the connecting ring (12) and is fixedly connected through welding.
8. The cup structure of the titanium liner thermos cup according to claim 5, wherein: the opening of the liner (2) is a straight opening, and the upper end of the liner is welded and connected with the connecting ring (12) after the liner is tightly inserted into the inner side of the connecting ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572604.4U CN220293389U (en) | 2023-06-20 | 2023-06-20 | Cup body structure of titanium liner thermos cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572604.4U CN220293389U (en) | 2023-06-20 | 2023-06-20 | Cup body structure of titanium liner thermos cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220293389U true CN220293389U (en) | 2024-01-05 |
Family
ID=89374616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321572604.4U Active CN220293389U (en) | 2023-06-20 | 2023-06-20 | Cup body structure of titanium liner thermos cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220293389U (en) |
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2023
- 2023-06-20 CN CN202321572604.4U patent/CN220293389U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |