Anti-falling steel bottom
By designing a stainless steel base to prevent detachment at the bottom of the thermos, and utilizing a combination of a steel base plate, a connecting ring, and laser welding points, the problems of exposed and detached vacuum holes are solved, achieving improvements in both aesthetics and stability.
Patent Information
- Application Number
- CN202520323247.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The vacuum holes of existing thermos cups are exposed, which makes the base film easy to fall off, affecting the appearance and posing a risk of falling.
It adopts a stainless steel base to prevent detachment, and uses a steel base plate, connecting ring and reinforced groove structure, combined with laser welding points for fixation, to block vacuum holes and enhance connection strength to prevent detachment.
It effectively blocks the vacuum hole, enhances the aesthetic appearance, and prevents the stainless steel base from detaching from the concave base of the cup in the event of a drop, ensuring stability.
Smart Images

Figure CN223913865U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thermos cup technology, and in particular to a steel bottom that prevents it from falling off. Background Technology
[0002] A thermos is an important drinking utensil with a heat preservation effect. For example, Chinese patent document with publication number CN219020779U discloses a thermos.
[0003] However, the vacuum holes of the vacuum cups with the above-mentioned technical solutions are exposed, which not only affects the appearance of the thermos cup, but also causes some thermos cups to be stuck in the bottom plate for cover, which is easy to fall off during the drop process. Utility Model Content
[0004] The purpose of this invention is to solve the shortcomings of existing technologies where the vacuum holes are exposed and the film is easy to fall off, and to propose a steel base that prevents the film from falling off.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A type of anti-fall-off steel bottom, including
[0007] The spout of the thermos;
[0008] The vacuum outer shell of the thermos cup is integrally machined onto the outer side of the bottom of the thermos cup spout;
[0009] The inner liner of the thermos is integrally machined on the inside of the bottom of the thermos spout.
[0010] Vacuum vent, the vacuum vent is located at the bottom of the vacuum outer shell of the thermos;
[0011] The cup bottom recess is stamped on the bottom of the vacuum shell of the thermos cup, and the vacuum hole is located at the right end of the top of the inner side of the cup bottom recess.
[0012] Anti-fall-off stainless steel bottom, the anti-fall-off stainless steel bottom includes a steel bottom plate, a connecting ring and a reinforcing groove. The top of the steel bottom plate is integrally machined with the bottom of the connecting ring. The reinforcing groove is stamped in the middle of the bottom of the steel bottom plate.
[0013] Laser welding points are welded between the connecting ring and the inner recess of the cup bottom. The anti-detachment stainless steel base can cover the vacuum hole of the inner recess of the cup bottom, preventing the vacuum hole from being exposed. Moreover, after being fixed by laser welding points, it can prevent the inner recess of the cup bottom from falling off and being impacted.
[0014] As a preferred embodiment of this utility model, a vacuum cavity is formed between the inner side of the vacuum outer shell of the thermos cup and the surface of the inner liner of the thermos cup. The spout of the thermos cup is formed by stamping the top of the vacuum outer shell and the inner liner of the thermos cup. The vacuum cavity of the vacuum outer shell and the inner liner of the thermos cup is easy to draw a vacuum to ensure the heat preservation effect. The structure of the spout, the vacuum outer shell, and the inner liner of the thermos cup can reduce gaps.
[0015] In a preferred embodiment of this utility model, the vacuum hole is connected to the vacuum chamber, the inner side of the thermos cup spout has a threaded structure, the vacuum hole is used to extract the vacuum inside the vacuum chamber, and the thermos cup spout can be connected to the cup lid via the thread.
[0016] As a preferred embodiment of this utility model, the connection between the steel base plate and the connecting ring is an arc structure, and the reinforcing groove adopts an inward concave structure. The arc structure of the steel base plate and the connecting ring can avoid the risk of scratches.
[0017] As a preferred embodiment of this utility model, the laser welding points are provided in four evenly distributed areas, which can enhance the strength of the connection.
[0018] As a preferred embodiment of this utility model, the steel base plate and the connecting ring are stamped together, and the surface of the connecting ring is engaged with the inner wall of the concave seat at the bottom of the cup. The processing of the steel base plate and the connecting ring can enhance the overall strength.
[0019] Beneficial effects:
[0020] 1. The anti-fall stainless steel base can be fixed to the bottom of the cup bottom recess, which can effectively cover the vacuum hole and make the overall appearance more beautiful;
[0021] 2. The gap between the anti-drop stainless steel base and the concave seat of the cup bottom is fixed by laser welding points, which can prevent the anti-drop stainless steel base from falling off. Even in a high-altitude drop test, the base plate will not fall off.
[0022] In this invention, the anti-drop stainless steel base can cover the vacuum hole of the concave seat at the bottom of the cup, preventing the vacuum hole from being exposed. Moreover, after being fixed by laser welding points, it can prevent the concave seat at the bottom of the cup from falling off and being impacted. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall design of this utility model;
[0024] Figure 2 This is a bottom view schematic diagram of the present invention;
[0025] Figure 3 This is a schematic diagram of the anti-fall-off stainless steel base of this utility model;
[0026] Figure 4 This utility model Figure 1 Enlarged view of a portion of point A in the middle.
[0027] In the picture: 1. Thermos spout; 2. Vacuum outer shell of the thermos; 3. Inner shell of the thermos; 4. Vacuum hole; 5. Concave base of the cup; 6. Anti-fall stainless steel base; 61. Steel base plate; 62. Connecting ring; 63. Reinforcing groove; 7. Laser welding point. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0029] Example 1
[0030] Reference Figures 1-4 A type of anti-fall-off steel bottom, including
[0031] Thermos spout 1;
[0032] The vacuum outer shell 2 of the thermos cup is integrally processed on the outer side of the bottom of the thermos cup spout 1;
[0033] The inner liner 3 of the thermos cup is integrally machined on the inner side of the bottom of the spout 1 of the thermos cup;
[0034] Vacuum hole 4 is located at the bottom of the vacuum outer shell 2 of the thermos cup;
[0035] The cup bottom recess 5 is stamped on the bottom of the vacuum shell 2 of the thermos cup, and the vacuum hole 4 is located at the right end of the top of the inner side of the cup bottom recess 5.
[0036] The anti-fall-off stainless steel base 6 includes a steel base plate 61, a connecting ring 62, and a reinforcing groove 63. The top of the steel base plate 61 is integrally machined with the bottom of the connecting ring 62, and the reinforcing groove 63 is stamped at the middle of the bottom of the steel base plate 61.
[0037] Laser weld point 7 is welded between the connecting ring 62 and the inner recessed seat 5 of the cup bottom.
[0038] With the above structure, the anti-drop stainless steel base 6 can cover the vacuum hole 4 of the cup bottom recess 5, preventing the vacuum hole from being exposed. Moreover, after being fixed by laser welding points 7, it can prevent the cup bottom recess 5 from falling off and being impacted.
[0039] Please see Figure 1The vacuum chamber between the inner side of the vacuum outer shell 2 and the surface of the inner shell 3 of the thermos cup is a vacuum cavity. The spout 1 of the thermos cup is stamped from the top of the vacuum outer shell 2 and the inner shell 3 of the thermos cup. The vacuum cavity of the vacuum outer shell 2 and the inner shell 3 of the thermos cup is easy to draw a vacuum to ensure the heat preservation effect. The structure of the spout 1, the vacuum outer shell 2 and the inner shell 3 of the thermos cup can reduce gaps.
[0040] Please see Figure 1 Vacuum hole 4 is connected to vacuum chamber. The inner side of thermos cup spout 1 has a threaded structure. Vacuum hole 4 is used to extract vacuum from inside the vacuum chamber. The thermos cup spout 1 can be connected to cup lid by thread.
[0041] Please see Figure 3 The connection between the steel base plate 61 and the connecting ring 62 is an arc structure, and the reinforcing groove 63 adopts an inward concave structure. The arc structure of the steel base plate 61 and the connecting ring 62 can avoid the risk of scratches.
[0042] Please see Figure 2 There are four laser welding points 7, which are evenly distributed. The even distribution of the laser welding points 7 can enhance the strength of the connection.
[0043] Please see Figure 3 The steel base plate 61 and the connecting ring 62 are stamped together. The surface of the connecting ring 62 is engaged with the inner wall of the cup bottom recess 5. The processing of the steel base plate 61 and the connecting ring 62 can enhance the overall strength.
[0044] The working principle of this utility model is as follows: The spout 1 of the thermos cup can be connected to the lid. The vacuum between the vacuum outer shell 2 and the inner shell 3 of the thermos cup can effectively perform the heat preservation effect. The vacuum hole 4 is used for vacuuming. The concave seat 5 at the bottom of the cup can support the vacuum outer shell 2 and the inner shell 3 of the thermos cup. Then, the anti-drop stainless steel base 6 is inserted into the concave seat 5 at the bottom of the cup through the connecting ring 62. The gap between the anti-drop stainless steel base 6 and the concave seat 5 at the bottom of the cup is fixed by laser welding points 7, which can prevent the anti-drop stainless steel base 6 from falling off. It will not fall off even in a high-altitude drop test. The steel base plate 61 is used for shielding. The connecting ring 62 is used for connection. The reinforcing groove 63 can strengthen the strength of the steel base plate 61.
[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A type of anti-fall-off steel bottom, characterized in that, include Thermos spout (1); The vacuum shell (2) of the thermos cup is integrally processed on the outside of the bottom of the thermos cup spout (1); The inner shell of the thermos cup (3) is integrally machined on the inner side of the bottom of the spout (1) of the thermos cup; Vacuum hole (4) is located at the bottom of the vacuum outer shell (2) of the thermos cup; The cup bottom recess (5) is stamped on the bottom of the vacuum shell (2) of the thermos cup, and the vacuum hole (4) is located at the right end of the top of the inner side of the cup bottom recess (5). Anti-falling stainless steel base (6), the anti-falling stainless steel base (6) includes a steel base plate (61), a connecting ring (62) and a reinforcing groove (63). The steel base plate (61) is integrally processed with the bottom of the connecting ring (62) around the top. The reinforcing groove (63) is stamped at the middle of the bottom of the steel base plate (61). Laser welding point (7) is welded between the connecting ring (62) and the inner recess of the cup bottom (5) in a tight fit.
2. The anti-detachment steel bottom according to claim 1, characterized in that, The vacuum chamber is located between the inner side of the vacuum outer shell (2) and the surface of the inner shell (3) of the thermos cup. The spout (1) of the thermos cup is formed by stamping the top of the vacuum outer shell (2) and the inner shell (3).
3. The anti-detachment steel bottom according to claim 2, characterized in that, The vacuum hole (4) is connected to the vacuum chamber, and the inner side of the thermos cup spout (1) has a threaded structure.
4. The anti-detachment steel bottom according to claim 1, characterized in that, The connection between the steel base plate (61) and the connecting ring (62) is an arc structure, and the reinforcing groove (63) adopts an inward concave structure.
5. The anti-fall-off steel bottom according to claim 1, characterized in that, The laser welding points (7) are provided in four places, and the four laser welding points (7) are evenly distributed.
6. The anti-fall-off steel bottom according to claim 1, characterized in that, The steel base plate (61) and the connecting ring (62) are stamped together, and the surface of the connecting ring (62) is engaged with the inner wall of the cup bottom recess (5).
Citation Information
Patent Citations
Vacuum cup
CN219020779U