Vacuum cup with double-layer heat preservation structure

The design of double-layer insulation structure and active heating function solves the problem of short insulation time of traditional thermos cups, and achieves long-term insulation and high practicality.

CN223416026UActive Publication Date: 2025-10-10YONGKANG LILAIS IND & TRADE CO LTD
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Patent Information

Application Number
CN202422855193.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-10
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Traditional thermoses generally have single-layer insulation, which has a short insulation time and cannot meet the needs of long-term insulation, and have poor practicality.

Method used

It adopts a double-layer insulation structure, with a vacuum chamber set between the outer cup body and the middle cup body, and polyurethane insulation material filled between the middle cup body and the inner cup body. It is also equipped with an insulation box and heating wire to achieve active heating and enhance the insulation effect.

Benefits of technology

The double-layer insulation structure and active heating function significantly extend the insulation time, improving the practicality and insulation capacity of the thermos cup.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223416026U_ABST
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Abstract

The utility model discloses a heat preservation cup with a double-layer heat preservation structure, relates to the technical field of heat preservation cups, and aims to solve the problems that a traditional heat preservation cup in the prior art generally only adopts a single-layer heat preservation mode, the heat preservation time is short, the requirement for long-time heat preservation cannot be met, and the practicability is poor. The vacuum cup body comprises an outer cup body, a middle cup body and an inner cup body, the outer cup body and the inner cup body are arranged outside and inside the middle cup body respectively, a first inner cavity is formed between the outer cup body and the middle cup body, the first inner cavity is a vacuum cavity, a second inner cavity is formed between the middle cup body and the inner cup body, and the second inner cavity is a vacuum cavity. The second inner cavity is filled with a heat preservation layer, a heat preservation box is arranged in the second inner cavity along the lower portion of the inner cup body, an electric heating wire is fixedly installed in the heat preservation box, and a heat conduction plate is fixedly installed on the upper portion of the heat preservation box.
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Description

Technical Field

[0001] The utility model relates to the technical field of thermos cups, in particular to a thermos cup with a double-layer heat-insulating structure. Background Art

[0002] A thermos is a cup that keeps the water insulated. Its outer shell is usually made of plastic, metal, or other materials. It achieves this through a series of design principles, including vacuum treatment to reduce heat transfer, copper or silver plating to reduce heat radiation, and a double-layer sealed structure to reduce heat convection. These designs enable the thermos to effectively maintain the temperature of drinks, whether hot or cold.

[0003] For example, the authorized patent with announcement number CN202375733U (a thermos cup): includes a cup body, characterized in that: the cup body includes an outer layer and an inner layer, and a vacuum layer is formed between the inner layer and the outer layer;

[0004] Although the above-mentioned existing technology creates a vacuum between the inner and outer layers, this structure can effectively prevent heat loss and achieve the purpose of heat preservation, but the traditional thermos cup generally only has single-layer insulation. The single-layer insulation structure allows heat to be easily transferred through the cup body, resulting in a short insulation time, which cannot meet the needs of long-term heat preservation and has poor practicality. Therefore, the market urgently needs to develop a thermos cup with a double-layer insulation structure to help people solve the existing problems. Utility Model Content

[0005] The purpose of the present invention is to provide a thermos cup with a double-layer insulation structure to solve the problem in the above background technology that the traditional thermos cup generally has only a single-layer insulation structure, the insulation time is short, it cannot meet the demand for long-term insulation, and has poor practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thermos cup with a double-layer insulation structure, comprising a thermos cup body, the thermos cup body comprising an outer cup body, a middle cup body and an inner cup body, the outer cup body and the inner cup body are respectively arranged on the outside and inside of the middle cup body, an inner cavity one is arranged between the outer cup body and the middle cup body, the inner cavity one is arranged as a vacuum cavity, an inner cavity two is arranged between the middle cup body and the inner cup body, and the interior of the inner cavity two is filled with an insulation layer.

[0007] Preferably, an insulation box is provided inside the inner cavity 2 along the lower side of the inner cup body, an electric heating wire is fixedly installed inside the insulation box, and a heat conduction plate is fixedly installed above the insulation box, and the heat conduction plate is made of die-cast aluminum alloy material.

[0008] Preferably, the outer side of the thermos cup body is provided with an anti-slip cover, a base is fixedly installed below the thermos cup body, and an anti-slip pad is fixedly installed below the base.

[0009] Preferably, a cup cover is provided above the cup body of the thermos cup, a bottom groove is provided on the lower end surface of the cup cover, an internal thread is provided on the inner side of the bottom groove of the cup cover, a cup barrel is installed on the internal thread of the bottom groove of the cup cover, the cup barrel is fixedly connected to the cup body of the thermos cup, a rubber block is provided above the cup barrel, and the rubber block is fixedly connected to the cup cover.

[0010] Preferably, a fixing plate is fixedly installed on the inner side of the cup barrel, the fixing plate is configured as an annular plate, and a thermos cup filter is provided above the fixing plate.

[0011] Preferably, a top groove is provided on the upper end surface of the cup cover, an internal thread is provided on the inner side of the top groove of the cup cover, a display board is provided below the inside of the top groove, and a transparent cover is installed inside the top groove of the cup cover along the upper thread of the display board.

[0012] Preferably, a side groove is provided above one side of the cup cover, and a straight rod is fixedly installed inside the side groove of the cup cover, and a handle is provided on the outside of the straight rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model comprises an outer cup body, a middle cup body and an inner cup body through the thermos cup body, wherein the middle cup body separates the outer cup body from the inner cup body, forming an inner and outer layer of thermal insulation barriers, realizing a double-layer thermal insulation structure of the thermos cup, and the inner cavity between the outer cup body and the middle cup body is set as a vacuum cavity, which effectively isolates the external heat exchange and greatly reduces the heat conduction loss through the cup body material. At the same time, the inner cavity between the middle cup body and the inner cup body is filled with polyurethane thermal insulation material, which has excellent thermal insulation performance, further enhancing the thermal insulation effect, thereby extending the thermal insulation time through the setting of the double-layer thermal insulation structure, better meeting the needs of long-term thermal insulation, and improving the practicality of the thermos cup.

[0015] 2. The utility model is provided with an insulation box, wherein the electric heating wire installed inside the insulation box can be energized to generate heat when needed, and the heat is evenly transferred to the inner cup body and the water inside it through the heat conduction plate, thereby maintaining the temperature of the water body and further improving the insulation capacity of the insulation cup.

[0016] 3. The utility model arranges a transparent cover and a display board inside the cup cover, wherein the transparent cover is threadedly installed inside the top groove of the cup cover, which is convenient for disassembly and assembly and viewing of the display board. Personalized patterns or text labels can be posted on the display board, which meets the demand for personalized expression and increases the fun and practicality of the thermos cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a thermos cup with a double-layer heat-insulating structure according to the present invention;

[0018] Figure 2 This is a cross-sectional view of the connection between the cup body and the base of the thermos cup of the present invention;

[0019] Figure 3 It is an enlarged schematic diagram of part A of the present utility model;

[0020] Figure 4 This is a cross-sectional view of the connection between the cup body and the cup lid of the thermos cup of the present invention;

[0021] Figure 5 It is an enlarged schematic diagram of part B of the present invention.

[0022] In the figure: 1. Thermos cup body; 101. Outer cup body; 102. Middle cup body; 103. Inner cup body; 2. Cup lid; 201. Bottom groove; 202. Top groove; 3. Base; 4. Anti-slip cover; 5. Handle; 6. Anti-slip pad; 7. Inner cavity one; 8. Inner cavity two; 9. Insulation box; 10. Heating wire; 11. Heat conduction plate; 12. Rubber block; 13. Cup tube; 14. Fixing plate; 15. Thermos cup filter; 16. Transparent cover; 17. Display board. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-5 The utility model provides an embodiment: a thermos cup with a double-layer insulation structure, including a thermos cup body 1, the thermos cup body 1 includes an outer cup body 101, a middle cup body 102 and an inner cup body 103, the outer cup body 101 and the inner cup body 103 are respectively arranged on the outside and inside of the middle cup body 102, an inner cavity 7 is provided between the outer cup body 101 and the middle cup body 102, the inner cavity 7 is provided as a vacuum cavity, an inner cavity 2 8 is provided between the middle cup body 102 and the inner cup body 103, the interior of the inner cavity 2 8 is filled with an insulation layer, and the insulation layer is made of polyurethane insulation material.

[0025] When in use, the outer cup body 101 and the inner cup body 103 are separated by the design of the middle cup body 102, forming an inner and outer layer of thermal insulation barriers, realizing the double-layer thermal insulation structure of the thermos cup, wherein the inner cavity 7 between the outer cup body 101 and the middle cup body 102 is set as a vacuum cavity, which effectively isolates the external heat exchange and greatly reduces the heat conduction loss through the cup body material. At the same time, the inner cavity 8 between the middle cup body 102 and the inner cup body 103 is filled with polyurethane thermal insulation material, which has excellent thermal insulation performance, further enhancing the thermal insulation effect, thereby extending the thermal insulation time through the setting of the double-layer thermal insulation structure, better meeting the needs of long-term thermal insulation, and improving the practicality of the thermos cup.

[0026] See also Figure 2 and Figure 3 An insulation box 9 is provided inside the inner cavity 8 along the bottom of the inner cup body 103. An electric heating wire 10 is fixedly installed inside the insulation box 9. A heat conduction plate 11 is fixedly installed above the insulation box 9. The heat conduction plate 11 is made of die-cast aluminum alloy material and has good temperature transfer capability.

[0027] The arrangement of the insulation box 9, the heating wire 10 and the heat conduction plate 11 provides the thermos cup with an active heating function, which significantly enhances its applicability and flexibility. The heating wire 10 installed inside the insulation box 9 can be energized and generate heat when needed, and the heat is evenly transferred to the inner cup body 103 and the water body inside it through the heat conduction plate 11, thereby maintaining the temperature of the water body and further improving the heat preservation ability of the thermos cup.

[0028] See also Figure 1 and Figure 2 The outer side of the thermos cup body 1 is provided with an anti-slip cover 4, and a base 3 is fixedly installed under the thermos cup body 1. The inside of the base 3 is provided with an intelligent processor module and a power supply for turning the heating wire 10 on and off, and a power charging port and a switch are provided on the outer surface of the base 3. An anti-slip pad 6 is fixedly installed under the base 3.

[0029] The anti-slip cover 4 is mounted on the outside of the thermos cup body 1, providing a good grip and reducing accidental drops caused by hand slippage. The anti-slip pad 6 increases the stability of the thermos cup when it is placed.

[0030] See also Figure 1 and Figure 4 A cup cover 2 is provided above the thermos cup body 1, and a bottom groove 201 is provided on the lower end surface of the cup cover 2. An internal thread is provided on the inner side of the bottom groove 201 of the cup cover 2, and a cup barrel 13 is installed on the internal thread of the bottom groove 201 of the cup cover 2. The cup barrel 13 is fixedly connected to the thermos cup body 1, and a rubber block 12 is provided above the cup barrel 13, and the rubber block 12 is fixedly connected to the cup cover 2.

[0031] The threaded connection between the cup cover 2 and the cup body ensures the sealing performance of the thermos cup. The inner side of the bottom groove 201 on the lower end surface of the cup cover 2 is provided with an internal thread, which matches the thread inside the cup barrel 13, achieving a tight connection and preventing heat from being lost through the gap of the cup cover 2. At the same time, the setting of the rubber block 12 further enhances the sealing effect, reduces heat loss, and is conducive to the stable insulation of the thermos cup.

[0032] See also Figure 4 A fixing plate 14 is fixedly installed on the inner side of the cup tube 13 , and the fixing plate 14 is set as an annular plate. A thermos cup filter 15 is set above the fixing plate 14 .

[0033] The setting of the thermos cup filter 15 improves the practicality and convenience of the thermos cup. The filter is set on the fixed plate 14 inside the cup tube 13, which is not only easy to remove and place, but also convenient for separating tea leaves and water when making tea, thereby increasing the practicality of the thermos cup.

[0034] See also Figure 4 and Figure 5 A top groove 202 is provided on the upper end surface of the cup cover 2, an internal thread is provided on the inner side of the top groove 202 of the cup cover 2, a display board 17 is provided below the inside of the top groove 202, and a transparent cover 16 is installed along the upper thread of the display board 17 inside the top groove 202 of the cup cover 2.

[0035] The setting of the transparent cover 16 and the display board 17 increases the interest and practicality of the thermos cup. The transparent cover 16 is threadedly installed inside the top groove 202 of the cup cover 2, which is convenient for disassembly and assembly and viewing the display board 17. Personalized patterns or text labels can be posted on the display board 17 to meet the needs of personalized expression.

[0036] See also Figure 1 and Figure 4 A side groove is provided above one side of the cup cover 2, and a straight rod is fixedly installed inside the side groove of the cup cover 2, and a carrying strap 5 is provided on the outside of the straight rod.

[0037] The provision of the carrying strap 5 improves the portability of the thermos cup. When the thermos cup is carried, the carrying strap 5 can be used to lift the thermos cup for carrying, thereby improving the convenience of carrying the thermos cup.

[0038] Working principle: when in use, the vacuum cup forms two layers of heat insulation barriers through the three-layer structure design of the outer cup body 101, the middle cup body 102 and the inner cup body 103, wherein the vacuum cavity between the outer cup body and the middle cup body effectively insulates the heat exchange from the outside world, greatly reduces the heat conduction loss, the inner cavity between the middle cup body and the inner cup body is filled with polyurethane heat preservation material, which further enhances the heat preservation effect, in addition, the vacuum cup is also provided with a heat preservation box 9, an electric heating wire 10 and a temperature guide plate 11, after the electric heating wire 10 is electrified and heated, the heat is uniformly transmitted to the inner cup body 103 and the water body in the inner cup body 103 through the temperature guide plate 11, the active heating function is realized, the heat preservation capacity is improved, which is beneficial to the long-time heat preservation capacity of the vacuum cup.

[0039] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A thermos cup with a double-layer heat-insulating structure, comprising a thermos cup body (1), characterized in that: The thermos cup body (1) comprises an outer cup body (101), a middle cup body (102) and an inner cup body (103), wherein the outer cup body (101) and the inner cup body (103) are respectively arranged on the outside and inside of the middle cup body (102), an inner cavity (7) is arranged between the outer cup body (101) and the middle cup body (102), and the inner cavity (7) is arranged as a vacuum cavity, and an inner cavity (8) is arranged between the middle cup body (102) and the inner cup body (103), and the interior of the inner cavity (8) is filled with a heat-insulating layer.

2. The thermos cup with a double-layer insulation structure according to claim 1, characterized in that: An insulation box (9) is provided inside the second inner cavity (8) along the lower side of the inner cup body (103), an electric heating wire (10) is fixedly installed inside the insulation box (9), and a heat conduction plate (11) is fixedly installed above the insulation box (9), and the heat conduction plate (11) is made of die-cast aluminum alloy material.

3. The thermos cup with a double-layer insulation structure according to claim 1, characterized in that: The outer side of the thermos cup body (1) is provided with an anti-slip cover (4), a base (3) is fixedly installed below the thermos cup body (1), and an anti-slip pad (6) is fixedly installed below the base (3).

4. The thermos cup with a double-layer insulation structure according to claim 1, characterized in that: A cup cover (2) is provided above the thermos cup body (1), a bottom groove (201) is provided on the lower end surface of the cup cover (2), an internal thread is provided inside the bottom groove (201) of the cup cover (2), a cup barrel (13) is installed on the internal thread of the bottom groove (201) of the cup cover (2), the cup barrel (13) is fixedly connected to the thermos cup body (1), a rubber block (12) is provided above the cup barrel (13), and the rubber block (12) is fixedly connected to the cup cover (2).

5. The thermos cup with a double-layer insulation structure according to claim 4, characterized in that: A fixing plate (14) is fixedly installed on the inner side of the cup barrel (13), and the fixing plate (14) is configured as an annular plate. A thermos cup filter (15) is provided above the fixing plate (14).

6. The thermos cup with a double-layer heat-insulating structure according to claim 5, characterized in that: A top groove (202) is provided on the upper end surface of the cup cover (2), an internal thread is provided on the inner side of the top groove (202) of the cup cover (2), a display board (17) is provided below the inside of the top groove (202), and a transparent cover (16) is installed inside the top groove (202) of the cup cover (2) along the upper thread of the display board (17).

7. The thermos cup with a double-layer heat-insulating structure according to claim 6, characterized in that: A side groove is provided above one side of the cup cover (2), and a straight rod is fixedly installed inside the side groove of the cup cover (2), and a carrying strap (5) is provided on the outside of the straight rod.

Citation Information

Patent Citations

  • Vacuum cup

    CN202375733U