Welding structure of heating cup with titanium inside and steel outside
By using the welded structure of the inner titanium and outer steel heating cup, and by employing the flanging and bending of the heating plate base and laser welding technology, the problems of welding residue and material waste have been solved, resulting in improved flat welding and vacuum insulation effects, and reduced costs.
Patent Information
- Application Number
- CN202520925807.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-12
AI Technical Summary
The existing welding structure of thermos cups cannot achieve the required surface finish, and there are problems of welding slag residue and material waste.
The heating cup adopts a welded structure with inner titanium and outer steel. The welding is carried out from the outside to the inside by bending the flange of the heating plate seat upward. Combined with laser welding technology, it ensures that the inner liner crystallizes before welding to avoid welding slag residue. At the same time, the double-layer vacuum structure is used to improve the vacuum effect.
This achieved smoothness of the welded areas and material savings, reduced scrap rates, improved vacuum insulation performance, and lowered production costs.
Smart Images
Figure CN223944207U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of vacuum cup, and particularly relates to a welding structure of a titanium inner and steel outer heating cup. BACKGROUND
[0002] At present, the vacuum cup on the market is all butt-welded with an inner container, and such a processing method cannot achieve crystallization, and can only be magnetically thrown, however, the magnetic throwing cannot achieve high requirement surface effect processing. INVENTION CONTENTS
[0003] The utility model discloses a titanium inner and steel outer heating cup's welding structure of stable structure, welding position flat, cost saving.
[0004] The utility model discloses a titanium inner and steel outer heating cup's welding structure, including titanium inner container, the steel middle container of welding in the titanium inner container outer wall and the steel outer container of welding in the steel middle container outer wall, the titanium inner container lower end is shaped with the bending part no.
[0005] The upper end of the steel outer container is formed with an annular groove, the outer wall of the annular groove is connected with a titanium mouth ring, and the inner wall of the upper end of the titanium mouth ring is welded with the outer wall of the titanium inner container.
[0006] Preferably, the upper end of the titanium inner container is outwardly formed with a folding part, and the folding part is welded with the inner wall of the titanium mouth ring.
[0007] Preferably, the lower end of the steel outer container is formed with a bending part two, and the inner part of the bending part two is welded with the outer wall of the steel middle container.
[0008] Preferably, the upper end of the steel outer container is formed with a bending part three, and the inner part of the bending part three is welded with the outer wall of the steel middle container.
[0009] Preferably, the upper end of the steel outer container is formed with a groove, the groove is welded with a titanium mouth ring, and the other end of the titanium mouth ring is welded with the outer wall of the titanium inner container.
[0010] Compared with the prior art, the welding structure of the titanium inner and steel outer heating cup of the utility model has the following outstanding and beneficial technical effects: the welding structure of the titanium inner and steel outer heating cup of the utility model can ensure the possibility of crystallization of the inner container before welding by welding from the outside to the inside through the upward bending of the flange of the heating disc seat, and can ensure the flatness of the welding position of the inner container and not leave residues by laser welding from the outside of the inner container. Attached Figure Description
[0011] Figure 1 This is a cross-sectional view of Embodiment 1 of this utility model;
[0012] Figure 2 This is a cross-sectional view of Embodiment 2 of this utility model. Detailed Implementation
[0013] The present invention will be further described below with reference to specific embodiments.
[0014] like Figure 1 As shown, a welded structure of a heating cup with an inner titanium and an outer steel body includes a titanium inner liner 1, a steel middle liner 2 welded to the outer wall of the titanium inner liner 1, and a steel outer liner 3 welded to the outer wall of the steel middle liner 2. The lower end of the titanium inner liner 1 is formed with a bent portion 4. The lower end of the bent portion 4 is connected to a heating plate seat 6 for mounting a heating plate 5. The heating plate seat 6 is formed with an upwardly bent flange 7 along its circumference. The upper end of the flange 7 abuts against the bent portion 4.
[0015] The upper end of the steel outer liner 3 is formed with an annular groove 8, and a titanium ring 9 is connected to the outer wall of the annular groove 8. The upper inner wall of the titanium ring 9 is welded to the outer wall of the titanium inner liner 1.
[0016] The welding structure of the inner titanium and outer steel heating cup in this technical solution allows for welding from the outside in by bending the flange 7 of the heating plate seat 6 upwards. This ensures the possibility of the inner liner crystallizing before welding. Furthermore, laser welding is performed from the outside of the inner liner, ensuring a smooth weld area without residue and allowing for crystallization without leaving weld slag. This significantly reduces scrap, material usage, and costs. The steel inner liner 2 and the steel outer liner 3 are vacuum-sealed, providing a vacuum effect far superior to that of a pure titanium cup. The titanium inner liner 1 is fitted inside the double-layered vacuum cup body, secured by bottom locking and mouth welding. The steel outer liner 3 offers more possibilities for surface treatment compared to the titanium outer liner. A sealing ring is also connected between the outer wall of the annular groove 8 and the titanium mouth ring 9, providing a seal.
[0017] Preferably, the upper end of the titanium inner liner 1 is formed with a folded portion 10, and the folded portion 10 is welded to the inner wall of the titanium ring 9.
[0018] Preferably, the lower end of the steel outer liner 3 is formed with a second bent portion 11, and the interior of the second bent portion 11 is welded to the outer wall of the steel inner liner 2.
[0019] Preferably, the upper end of the steel outer liner 3 is formed with a bent portion 3 12, and the interior of the bent portion 3 12 is welded to the outer wall of the steel inner liner 2.
[0020] like Figure 2As shown in the second embodiment, the embodiment is basically the same as the first embodiment, and the difference is that a groove 13 is formed on the upper end of the steel sheath 3, a titanium mouth ring 9 is welded on the groove 13, and the other end of the titanium mouth ring 9 is welded with the outer wall of the titanium inner barrel 1.
[0021] The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A welded structure of a heating cup having a titanium inner and a steel outer, characterized by, The application relates to a titanium inner container (1), a steel middle container (2) welded to the outer wall of the titanium inner container (1), and a steel outer container (3) welded to the outer wall of the steel middle container (2), wherein the lower end of the titanium inner container (1) is formed with a bending part I (4), the lower end of the bending part I (4) is connected with a heating disc seat (6) for installing a heating disc (5), the heating disc seat (6) is formed with an upwardly bent flange (7) along the circumference, and the upper end of the flange (7) abuts against the bending part I (4). The upper end of the steel outer container (3) is formed with an annular groove (8), the outer wall of the annular groove (8) is connected with a titanium mouth ring (9), and the inner wall of the upper end of the titanium mouth ring (9) is welded to the outer wall of the titanium inner container (1).
2. The welded structure of the inner titanium and outer steel heating cup according to claim 1, characterized in that, The upper end of the titanium inner container (1) is outwardly formed with a bending part (10) which is welded to the inner wall of the titanium mouth ring (9).
3. The welded structure of the inner titanium and outer steel heating cup according to claim 1, characterized in that, The lower end of the steel outer container (3) is formed with a bending part II (11) which is welded to the outer wall of the steel middle container (2) inside.
4. The welded structure of a heating cup with titanium inner and steel outer according to claim 1, characterized in that, The upper end of the steel outer container (3) is formed with a bending part III (12) which is welded to the outer wall of the steel middle container (2) inside.
5. The welded structure of a heating cup with titanium inner and steel outer according to claim 1, characterized in that, The upper end of the steel outer container (3) is formed with a groove (13) which is welded with the titanium mouth ring (9) on the upper end, and the other end of the titanium mouth ring (9) is welded to the outer wall of the titanium inner container (1).