Vacuum cup sealing structure

Abstract

The utility model discloses a sealing structure of a vacuum cup. The cup comprises a cup cover, a movable part is movably arranged at the bottom end in the cup cover, a sealing bottom cover is arranged at the bottom end of the movable part, an elastic part is arranged between the cup cover and the sealing bottom cover, and a second sealing ring is arranged on the outer side of the bottom of the movable part. According to the vacuum cup, through cooperation of the movable piece, the elastic piece, the first sealing ring and the second sealing ring, when the cup body is in threaded connection with the cup cover, the elastic piece can push the movable piece to extrude the cup opening of the cup body, so that the second sealing ring can extrude the cup opening of the cup body, and even if the sealing rings on the vacuum cup are aged, the vacuum cup can be sealed. The sealing ring can still seal the cup cover and the cup body, the problem that the sealing ring cannot be sealed due to aging is solved, and the sealing effect between the cup body and the cup cover of the vacuum cup is improved.

Description

Technical Field

[0001] This utility model relates to the field of thermos cup technology, specifically a thermos cup sealing structure. Background Technology

[0002] The insulated water bottle, a seemingly ordinary yet extremely practical household item, has long been an indispensable part of modern people's daily lives. Its use is widespread. Whether in the office, school, or on outdoor travel, the insulated water bottle can provide us with warm drinks whenever needed.

[0003] Most thermos cups use threaded connections between the lid and the body. Because of this movable connection, the sealing effect between the lid and the body is poor. After prolonged use, the sealing ring is prone to aging due to repeated immersion in hot water, which reduces the seal between the lid and the body. Utility Model Content

[0004] The purpose of this invention is to provide a sealing structure for a thermos cup to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a thermos cup sealing structure, comprising:

[0006] A cup lid, wherein a movable part is movably provided at the bottom of the inside of the cup lid, a sealing bottom cover is provided at the bottom of the movable part, an elastic part is provided between the cup lid and the sealing bottom cover, and a second sealing ring is provided on the outer side of the bottom of the movable part;

[0007] The cup body has a fourth sealing ring on the top of its outer surface.

[0008] By adopting the above technical solution, the cup body and the cup lid are connected by a movable part, an elastic part and a sealing bottom cover. When the cup body and the cup lid are threaded together, the cup body will squeeze the movable part, and the elastic part will push the movable part, so that the second sealing ring can come into close contact with the cup mouth of the cup body. This solves the problem of the sealing effect decreasing due to the aging of the sealing ring, and the sealing effect is further improved by the assistance of the fourth sealing ring.

[0009] Preferably, the top of the outer surface of the cup body and the inner surface of the cup lid are both provided with threads, and the cup body and the cup lid are connected by the threads.

[0010] By adopting the above technical solution, the cup lid can be stably and securely installed on the cup body through the thread.

[0011] Preferably, a third sealing ring is provided at the bottom of the inner surface of the cup lid, and the installation position of the fourth sealing ring on the cup body corresponds to the installation position of the third sealing ring on the cup lid.

[0012] By adopting the above technical solution, when the cup body and cup lid are assembled, the third and fourth sealing rings can achieve a sealing effect because their installation positions are corresponding.

[0013] Preferably, an annular groove is provided at the bottom of the outer surface of the movable part, and the size of the annular groove on the movable part is adapted to the size of the first sealing ring, and the movable part is engaged with the first sealing ring through the annular groove.

[0014] By adopting the above technical solution, after the cup body and cup lid are assembled, the first sealing ring on the moving part comes into contact with the inner surface of the cup body, thereby improving the sealing effect between the cup body and the cup lid.

[0015] Preferably, the bottom of the inner surface of the movable part and the outer surface of the sealing bottom cover are both provided with threads, and the movable part is threadedly connected to the sealing bottom cover through the threads.

[0016] By adopting the above technical solution, the elastic element is composed of a spring and a buffer structure. If the elastic element is damaged, the user can remove the sealing bottom cover from the moving part to repair and replace the elastic element.

[0017] Preferably, a rotating component is rotatably provided at the middle position of the top of the inner end of the cup lid and at the middle position of the top of the sealing bottom cover, and the top and bottom of the elastic component are respectively connected to the rotating components on the cup lid and the sealing bottom cover.

[0018] By adopting the above technical solution, during the threaded connection between the cup body and the cup lid, the moving parts rotate on the cup lid due to friction, which facilitates the assembly of the cup body and the cup lid.

[0019] Preferably, a retaining ring is provided at the top of the inside of the cup lid, the size of the retaining ring on the cup lid is adapted to the size of the movable part, and the cup lid is slidably connected to the movable part through the retaining ring.

[0020] By adopting the above technical solution, the retaining ring can play a limiting role, preventing the moving parts from shifting during the connection between the cup body and the cup lid, and at the same time limiting the upward and downward direction of the moving parts within the cup lid.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows: the sealing structure of this thermos cup, through the cooperation between the movable part, the elastic part, the first sealing ring and the second sealing ring, when the cup body and the cup lid are threadedly connected, the elastic part can push the movable part to squeeze the cup mouth of the cup body, so that the second sealing ring can squeeze the cup mouth of the cup body. Even if the sealing ring on the thermos cup ages, the sealing ring can still seal the cup lid and the cup body, solving the problem of the sealing ring failing to seal due to aging, and improving the sealing effect between the cup body and the cup lid of the thermos cup. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present utility model;

[0023] Figure 2 This is the front view of the present utility model;

[0024] Figure 3 This is a front sectional view of the internal structure of this utility model;

[0025] Figure 4 This utility model Figure 3 Enlarged view of the structure at point A in the middle.

[0026] In the diagram: 1. Cup body; 2. Cup lid; 3. Moving part; 4. Elastic part; 5. Sealing bottom cover; 6. First sealing ring; 7. Second sealing ring; 8. Third sealing ring; 9. Fourth sealing ring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-4 This utility model provides an embodiment of a thermos cup sealing structure, comprising: a cup lid 2, a movable component 3 movably disposed at the bottom of the inside of the cup lid 2, a sealing bottom cover 5 disposed at the bottom of the movable component 3, an elastic component 4 disposed between the cup lid 2 and the sealing bottom cover 5, and a second sealing ring 7 disposed on the outer side of the bottom of the movable component 3; a cup body 1, and a fourth sealing ring 9 disposed on the top of the outer surface of the cup body 1. The cup body 1 and the cup lid 2 are connected by the movable component 3, the elastic component 4 and the sealing bottom cover 5. When the cup body 1 and the cup lid 2 are threaded together, the cup body 1 will squeeze the movable component 3, and the elastic component 4 will push the movable component 3, so that the second sealing ring 7 can be in close contact with the mouth of the cup body 1. This solves the problem of the sealing effect decreasing due to aging of the sealing ring, and further improves the sealing effect with the assistance of the fourth sealing ring 9.

[0029] In this embodiment, the top of the outer surface of the cup body 1 and the inner surface of the cup lid 2 are both provided with threads. The cup body 1 and the cup lid 2 are connected by threads, and the cup lid 2 can be stably and firmly installed on the cup body 1 by threads.

[0030] In this embodiment, a third sealing ring 8 is provided at the bottom of the inner surface of the cup lid 2, and the installation position of the fourth sealing ring 9 on the cup body 1 corresponds to the installation position of the third sealing ring 8 on the cup lid 2. When the cup body 1 and the cup lid 2 are assembled, the third sealing ring 8 and the fourth sealing ring 9 can achieve a sealing effect because their installation positions are corresponding.

[0031] In this embodiment, an annular groove is provided at the bottom of the outer surface of the movable part 3. The size of the annular groove on the movable part 3 is adapted to the size of the first sealing ring 6. The movable part 3 is engaged with the first sealing ring 6 through the annular groove. After the cup body 1 and the cup lid 2 are assembled, the first sealing ring 6 on the movable part 3 contacts the inner surface of the cup body 1, thereby improving the sealing effect between the cup body 1 and the cup lid 2.

[0032] In this embodiment, the bottom of the inner surface of the movable part 3 and the outer surface of the sealing cover 5 are both provided with threads. The movable part 3 is threadedly connected to the sealing cover 5 through the threads. The elastic part 4 is composed of a spring and a buffer structure. If the elastic part 4 is damaged, the user can remove the sealing cover 5 from the movable part 3 to repair and replace the elastic part 4.

[0033] In this embodiment, a rotating component is rotatably provided at the middle position of the top of the inner end of the cup lid 2 and at the middle position of the top of the sealing bottom cover 5. The top and bottom of the elastic component 4 are respectively connected to the rotating components on the cup lid 2 and the sealing bottom cover 5. During the threaded connection between the cup body 1 and the cup lid 2, the movable component 3 rotates on the cup lid 2 due to friction, which facilitates the assembly of the cup body 1 and the cup lid 2.

[0034] In this embodiment, a retaining ring is provided at the top inside the cup lid 2. The size of the retaining ring on the cup lid 2 is adapted to the size of the movable part 3. The cup lid 2 is slidably connected to the movable part 3 through the retaining ring. The retaining ring can play a limiting role, preventing the movable part 3 from shifting during the connection between the cup body 1 and the cup lid 2, and at the same time, it can limit the lifting and lowering direction of the movable part 3 inside the cup lid 2.

[0035] Working principle: The cup body 1 and the cup lid 2 are connected by the cooperation of the movable part 3, the elastic part 4 and the sealing bottom cover 5. When the cup body 1 and the cup lid 2 are connected by threads, the cup body 1 will squeeze the movable part 3, and the elastic part 4 will push the movable part 3, so that the second sealing ring 7 can come into close contact with the cup mouth of the cup body 1, achieving a sealing effect. Moreover, the sealing effect is further achieved by the contact between the first sealing ring 6 and the inner surface of the cup body 1 and the cooperation between the third sealing ring 8 and the fourth sealing ring 9.

[0036] For those skilled in the art, this invention is not limited to the details of the exemplary embodiments described above, and can be implemented in other specific forms without departing from the spirit or scope of this invention. Therefore, the embodiments of this invention are exemplary and not restrictive. The scope of this invention is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A vacuum cup sealing structure, characterized in that, Include: The cup cover (2) is movably provided with a movable part (3) at the bottom of the inside, the bottom of the movable part (3) is provided with a sealing bottom cover (5), an elastic part (4) is arranged between the cup cover (2) and the sealing bottom cover (5), the outside of the bottom of the movable part (3) is provided with a second sealing ring (7); The cup body (1) is provided with a fourth sealing ring (9) at the top of the outer surface.

2. The sealing structure of the vacuum cup according to claim 1, characterized in that: The top of the outer surface of the cup body (1) and the inner surface of the cup cover (2) are provided with threads, and the cup body (1) and the cup cover (2) are connected by threads.

3. The sealing structure of a vacuum cup according to claim 1, characterized in that: The bottom of the inner surface of the cup cover (2) is provided with a third sealing ring (8), and the mounting position of the fourth sealing ring (9) on the cup body (1) corresponds to the mounting position of the third sealing ring (8) on the cup cover (2).

4. The sealing structure of a vacuum cup according to claim 1, characterized in that: The bottom of the outer surface of the movable part (3) is provided with a ring groove, the size of the ring groove on the movable part (3) is matched with the size of the first sealing ring (6), and the movable part (3) is clamped with the first sealing ring (6) through the ring groove.

5. The vacuum cup sealing structure according to claim 1, characterized in that: The bottom of the inner surface of the movable part (3) and the outer surface of the sealing bottom cover (5) are provided with threads, and the movable part (3) is connected with the sealing bottom cover (5) through threads.

6. The vacuum cup sealing structure according to claim 1, characterized in that: The top and bottom of the elastic part (4) are respectively connected with the rotating parts on the cup cover (2) and the sealing bottom cover (5) through the rotating parts at the top and bottom of the inside of the cup cover (2) and the top of the sealing bottom cover (5).

7. The sealing structure of a vacuum cup according to claim 1, characterized in that: The top of the inside of the cup cover (2) is provided with a snap ring, the size of the snap ring on the cup cover (2) is matched with the size of the movable part (3), and the cup cover (2) is connected with the movable part (3) through sliding.

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