Vacuum cup liner and vacuum water boiling cup

Abstract

The vacuum cup liner comprises a shell, an inner liner and a bottom cover, the shell is connected with the upper end of the inner liner in a sealed mode, the lower end of the inner liner is fixedly welded to the upper end of the bottom cover, the lower end of the outer edge of the bottom cover is fixedly welded to the inner wall of the shell, and a vacuum layer is formed by the shell, the inner liner and the bottom cover; the lower end of the shell extends out of the bottom cover by a certain length to form an accommodating cavity for mounting the base; and the bottom cover is provided with a vacuumizing hole communicated with the vacuum layer. According to the vacuum water boiling cup, only one thin plastic base is needed, the gap between the plastic base and the shell is weakened, the integrated appearance effect of the vacuum water boiling cup is improved, and meanwhile the production efficiency of the heat preservation inner container is improved.

Description

Technical Field

[0001] The utility model relates to a water boiling cup, in particular to a thermos cup liner and a vacuum water boiling cup. Background Art

[0002] At present, the existing vacuum water bottle is made of an inner liner, an outer shell and a bottom cover welded together. Figure 1 As shown in the figure, the bottom of the inner pot is welded to the bottom of the outer shell to form a vacuum layer, and then the outer edge of the bottom cover is welded to the inner wall of the inner pot, and then the vacuum is drawn from the side, and then the heating tube is brazed on the bottom cover. This vacuum drawing from the side is inconvenient to fix, the operation is troublesome, and it is easy to cause a high defect rate; at the same time, since the vacuum kettle needs to be controlled by an electronic control board, if a display screen needs to be added, the only way is to increase the thickness of the bottom plastic base so that the display screen can be made on the plastic shell, such as Figure 2 As shown. In this way, there is a clear gap between the vacuum liner and the plastic base, which divides the water cup into two obvious sections, making it difficult to achieve an integrated appearance. Utility Model Content

[0003] The first purpose of the utility model is to overcome the deficiencies in the above prior art and provide a thermos cup liner.

[0004] The second purpose of the utility model is to provide a vacuum water boiling cup.

[0005] The purpose of the utility model is achieved through the following technical solutions: the thermos cup liner comprises an outer shell, an inner shell and a bottom cover, the outer shell and the upper end of the inner shell are sealed and connected, the lower end of the inner shell is welded and fixed to the upper end of the bottom cover, the lower end of the outer edge of the bottom cover is welded and fixed to the inner wall of the outer shell, and the outer shell, the inner shell and the bottom cover form a vacuum layer; and the lower end of the outer shell extends beyond the bottom cover by a certain length to form a accommodating cavity for installing the base; the bottom cover is provided with a vacuum hole communicating with the vacuum layer.

[0006] Preferably, the lower end of the housing extending beyond the bottom cover is provided with a mounting hole for mounting the display screen.

[0007] Preferably, a punching hole is provided at the lower end of the shell extending through the bottom cover, and the punching hole is arranged opposite to the mounting hole.

[0008] Preferably, a protrusion is provided at the lower end of the inner pot, and the protrusion is connected to the main body of the inner pot via an arc portion. A circular hole matching the protrusion is provided in the middle of the bottom cover. After the protrusion is embedded in the circular hole, the lower end of the inner pot is welded and fixed to the upper end surface of the bottom cover.

[0009] Preferably, the outer edge of the bottom cover is provided with a flange, and the flange is welded and fixed to the inner wall of the outer shell.

[0010] Preferably, the vacuum water-boiling cup comprises a cup cover, a base and the thermos cup liner according to the first purpose, wherein the cup cover and the base are respectively mounted on the upper end and the lower end of the thermos cup liner.

[0011] Preferably, the vacuum water boiling cup further comprises a display screen and an electric control board, wherein the display screen is mounted on the mounting hole, the electric control board is mounted on the accommodating cavity via a base, and the display screen is connected to the electric control board.

[0012] Preferably, the electric control board is connected to a socket for connecting to a power source, and the socket is installed in the punched hole.

[0013] The utility model has the following advantages over the prior art:

[0014] 1. The inner liner of the utility model is welded to the top of the bottom cover, and then the outer edge of the bottom cover is welded to the outer shell, so that the outer shell, the inner liner and the bottom cover cooperate to form a vacuum layer, and a part of the lower end of the outer shell extends beyond the bottom cover, so only a very thin plastic base is needed, which weakens the gap between the plastic base and the outer shell, and improves the integrated appearance of the vacuum kettle.

[0015] 2. The lower end of the shell of the utility model extends beyond the bottom cover. The outer shell of the exceeding part is a single layer of stainless steel, which can be conveniently punched to facilitate the installation of the display screen and the socket. This is simple and convenient and will not damage the vacuum layer.

[0016] 3. The utility model can be directly arranged on the bottom cover, so vacuuming can be directly performed from the bottom, which makes it easy to fix the water-boiling cup, is convenient to operate, and reduces the defective rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of a traditional thermos cup.

[0018] Figure 2 It is a schematic diagram of the structure of a traditional vacuum water boiling cup.

[0019] Figure 3 It is a cross-sectional view of the thermos cup liner of the utility model.

[0020] Figure 4 yes Figure 3 A magnified schematic diagram of center A.

[0021] Figure 5 It is a structural schematic diagram of a vacuum water-boiling cup of the utility model.

[0022] Figure 6 It is a side view of the vacuum water boiling cup of the utility model.

[0023] Among them, 1 is the outer shell, 2 is the inner tank, 3 is the bottom cover, 4 is the vacuum layer, 5 is the accommodating cavity, 6 is the vacuum hole, 7 is the mounting hole, 8 is the punching hole, 9 is the protrusion, 10 is the arc part, 11 is the round hole, 12 is the flange, 13 is the display screen, 14 is the socket, 15 is the plastic base, and 16 is the welding point. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] like Figure 2 and Figure 3 The thermos cup liner shown comprises an outer shell, an inner shell and a bottom cover, wherein the upper ends of the outer shell and the inner shell are sealed and connected, the lower end of the inner shell is welded and fixed to the upper end of the bottom cover, the lower end of the outer edge of the bottom cover is welded and fixed to the inner wall of the outer shell, and the outer shell, the inner shell and the bottom cover form a vacuum layer; and the lower end of the outer shell extends beyond the bottom cover by a certain length to form a receiving cavity for installing the base; the bottom cover is provided with a vacuum hole communicating with the vacuum layer.

[0026] Specifically, the distance between the welding point between the bottom cover and the shell and the bottom end face of the shell is 10mm to 20mm, that is, the length of the lower end of the shell extending beyond the bottom cover is 10mm to 20mm, and the length in this embodiment is 15mm. At the same time, the vacuum layer is formed by the inner liner, the shell and the bottom cover, that is, the lower end of the inner liner is welded to the top of the bottom cover, and the outer edge of the bottom cover is welded to the inner wall of the shell, and the distance between the welding point between the bottom cover and the shell and the bottom end of the shell is 15mm. The extended 15mm part of the shell is a single-layer stainless steel, which is convenient for subsequent punching processing without damaging the vacuum layer, ensuring the quality of the thermos cup liner. At the same time, a vacuum hole is set on the bottom cover, which is convenient for the vacuum process.

[0027] The lower end of the shell extending through the bottom cover is provided with a mounting hole for mounting the display screen. The lower end of the shell extending through the bottom cover is provided with a punching hole, which is arranged opposite to the mounting hole. The mounting hole and the punching hole are directly arranged at the lower end of the shell, which improves the compactness of the structure and further enhances the integration effect of the water cup.

[0028] The lower end of the inner liner is provided with a protrusion, and the protrusion is connected to the main body of the inner liner through an arc portion. A circular hole matching the protrusion is provided in the middle of the bottom cover. After the protrusion is embedded in the circular hole, the lower end of the inner liner is welded and fixed to the upper end surface of the bottom cover. Specifically, the thickness of the vacuum layer is relatively thin, generally only about 3 mm, and the vacuum hole process for vacuuming should be made to have a diameter of 6 mm to further improve the operation of the vacuum process. The lower end of the inner liner of this embodiment is provided with a protrusion, and the protrusion and the body of the inner liner are connected by an arc. The arc portion has a large curvature, so as to add a small inner diameter stretch at the bottom of the inner liner, thereby ensuring the production of the vacuum hole, and also facilitating the vertical vacuuming of the inner liner, increasing the number of lower vacuum cups of the same volume, and greatly improving production efficiency.

[0029] The outer edge of the bottom cover is provided with a flange, and the flange is welded and fixed to the inner wall of the shell. This structure is simple and ensures the stability of the connection between the bottom cover and the shell and the sealing effect.

[0030] like Figure 5 and Figure 6 As shown, the vacuum water-boiling cup comprises a cup cover, a base and the thermos cup liner according to the first purpose, wherein the cup cover and the base are respectively installed at the upper end and the lower end of the thermos cup liner.

[0031] The vacuum water-boiling cup further comprises a display screen and an electric control board. The display screen is mounted on the mounting hole, the electric control board is mounted on the accommodating cavity through a base, and the display screen is connected to the electric control board.

[0032] The electric control board is connected with a socket for connecting a power source, and the socket is installed in the punching hole.

[0033] Specifically, the vacuum water boiling cup adopts the above-mentioned thermos cup liner, and can use a thinner plastic base, which weakens the visual effect of the gap between the shell and the base and improves the integrity of the vacuum water boiling cup.

[0034] The above-mentioned specific implementation modes are preferred embodiments of the present invention and cannot be used to limit the present invention. Any other changes or other equivalent replacement methods that do not deviate from the technical solution of the present invention are included in the protection scope of the present invention.

Claims

1. Thermos cup liner, characterized by: It includes an outer shell, an inner liner and a bottom cover, wherein the upper ends of the outer shell and the inner liner are sealed and connected, the lower end of the inner liner is welded and fixed to the upper end of the bottom cover, the lower end of the outer edge of the bottom cover is welded and fixed to the inner wall of the outer shell, and the outer shell, the inner liner and the bottom cover form a vacuum layer; and the lower end of the outer shell extends beyond the bottom cover by a certain length to form a receiving cavity for installing the base; the bottom cover is provided with a vacuum hole communicating with the vacuum layer.

2. The thermos cup liner according to claim 1, characterized in that: The lower end of the shell extending through the bottom cover is provided with a mounting hole for mounting the display screen.

3. The thermos cup liner according to claim 2, characterized in that: The lower end of the shell extending through the bottom cover is provided with a punching hole, and the punching hole is arranged opposite to the mounting hole.

4. The thermos cup liner according to claim 1, characterized in that: A protrusion is provided at the lower end of the inner pot, and the protrusion is connected to the main body of the inner pot through an arc portion. A circular hole matching the protrusion is provided in the middle of the bottom cover. After the protrusion is embedded in the circular hole, the lower end of the inner pot is welded and fixed to the upper end surface of the bottom cover.

5. The thermos cup liner according to claim 1, characterized in that: The outer edge of the bottom cover is provided with a flange, and the flange is fixed to the inner wall of the shell by welding.

6. Vacuum water-boiling cup, characterized by: The invention comprises a cup cover, a base and a thermos cup liner according to any one of claims 1 to 5, wherein the cup cover and the base are respectively mounted on the upper end and the lower end of the thermos cup liner.

7. The vacuum water boiling cup according to claim 6, characterized in that: It also includes a display screen and an electric control board. The display screen is installed in the installation hole. The electric control board is installed in the accommodating cavity through a base. The display screen is connected to the electric control board.

8. The vacuum water boiling cup according to claim 7, characterized in that: The electric control board is connected with a socket for connecting a power source, and the socket is installed in the punching hole.

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