WO2018049839A1

WO2018049839A1 - Vacuum cup

Info

Publication number: WO2018049839A1
Application number: PCT/CN2017/085581
Authority: WO
Inventors: Huan ZHANG; Shichuan ZHANG
Original assignee: Wuhan Supor Cookware Co Ltd
Current assignee: Wuhan Supor Cookware Co Ltd
Priority date: 2016-09-13
Filing date: 2017-05-23
Publication date: 2018-03-22
Anticipated expiration: 2019-03-13
Also published as: KR20190045339A; JP2019530615A; CN206284749U; EP3512384A4; RU2019108131A; EP3512384A1

Abstract

A vacuum cup comprises a vacuum cup body (10) including a tank (11) and an outer casing (12) arranged outside the tank (11), and a heat insulation interlayer (100) formed between the tank (11) and the outer casing (12), a temperature indicator (20) installed on the outer casing (12), and a heat transfer structure (30) arranged inside the heat insulation interlayer (100), wherein the temperature indicator (20) contacts with the tank (11) through the heat transfer structure (30) to transfer the temperature of the tank (11) to the temperature indicator (20). The vacuum cup effectively solves the problem that the outer casings of the existing vacuum cups can't display the temperature inside the cup.

Description

VACUUM CUP

FIELD OF THE INVENTION

The invention relates to the field of vacuum cup, in particular to a kind of vacuum cup.

BACKGROUND OF THE INVENTION

Cups have now become indispensable commodities in people's lives. Cups are usually used to drink water, coffee, tea and so on. Cups are usually made of plastic, glass, stainless steel and other materials. With the improvement of people's living standards, people have higher demand on cups, and are concerned about the comfort of the use. Users want to have a direct perception that whether the water in the cup has a desired temperature.

SUMMARY

The main purpose of the invention is to effectively solve the problem that the outer casings of the existing vacuum cups cannot display the temperature inside the cup.

In order to achieve the above purpose, the invention provides a vacuum cup, which comprises: a vacuum cup body, the vacuum cup body including a tank and an outer casing arranged outside the tank, a heat insulation interlayer being formed between the tank and the outer casing； a temperature indicator, the temperature indicator being installed on the outer casing； and a heat transfer structure, the heat transfer structure being arranged inside the heat insulation interlayer, wherein the temperature indicator contacts with the tank through the heat transfer structure to transfer the temperature of the tank to the temperature indicator.

Further, the outer wall of the outer casing may be provided with an installation section, wherein a temperature indicator is installed.

Further, the temperature indicator may be made of a plurality of color-changing materials, and configured to display different colors based on different temperatures； the vacuum cup body being provided with a comparison label comprising exemplary colors of the color-changing materials.

Further, the installation section may be a groove on the outer wall that forms the outer casing, and the temperature indicator is installed inside the groove.

Further, a first end of the heat transfer structure may contact with the tank, a second end of the heat transfer structure may contact with the bottom of the groove, the heat transfer structure dividing the heat insulation interlayer into communicating upper heat insulation interlayer and lower heat insulation interlayer.

Further, the heat transfer structure may include a casing and a thermal section arranged inside the casing.

Further, the first and/or second ends of the heat transfer structure may be serrated to make the upper heat insulation interlayer and the lower heat insulation interlayer communicating.

Further, the heat transfer structure may include an annular casing, and the center of the annular casing may be arranged with through-holes to make the upper heat insulation sandwich and the lower heat insulation sandwich communicating, and the thermal section being arranged inside the annular casing.

Further, the temperature indicator may be a plurality of independent color-changing rings, and the color-changing rings may be arranged side by side and installed on the outer casing, wherein each of the color-changing rings is made of a different color-changing material.

Further, the temperature indicator may be made of a plurality of independent color-changing rings installed on the outer casing and being spaced apart, wherein each of the color-changing rings is made of a different color-changing material, and a plurality of heat transfer structures correspond one to one with the rings of the temperature indicator.

In the application of the technical solution of the invention, water is poured into the vacuum cup. The temperature of the tank will quickly become consistent with that of the water after contact. The heat transfer structure will transfer the temperature of the tank to the temperature indicator, and the indicator will display the temperature of the water in the cup. The invention effectively solves the problem that the outer casings of the existing vacuum cups cannot display the temperature inside the cup.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings of the description, which form a part of the application, are used to provide a further understanding of the invention. The embodiments and their description of the invention are used to explain the invention and does not constitute an improper limitation of the invention. In the accompanying drawings:

FIG. 1 is a structural schematic diagram of Embodiment one of the vacuum cup of the invention； and

FIG. 2 is a locally magnified schematic diagram of FIG. 1.

The reference numbers below are included in the above drawings:

10. vacuum cup body； 11. tank； 12. outer casing； 121. installation section； 20. temperature indicator； 30. heat transfer structure； 31. casing； 32. thermal section； 100. heat insulation sandwich； 101. upper heat insulation sandwich； 102. lower heat insulation sandwich.

DETAILED DESCRIPTION OF EMBODIMENTS

It is to be noted that the embodiments and their features of the application may be combined with each other without conflict. The invention will be described in detail below with reference to the accompanying drawings and the embodiments.

It is to be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by ordinary ones skilled in the art to which this application belongs.

For ease of description, relative spatial terms such as "on" , "above" , "on the upper surface" and "upper" are used to describe the spatial position relation of a device or feature as shown in the drawing with other devices or features. It is to be understood that the relative spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientations as described in the drawings. For example, if the device in the drawings is inverted, then the device described as "above other devices or structures" or "on other devices or structures" will be positioned as "under other devices or structures" or "below other devices or structures" . Thus, the exemplary term "above" can comprise two orientations including "above" and "under" . The device can also be positioned by using other methods (rotating 90° or being at other orientations) , with corresponding explanations to the relative spatial terms used herein.

Embodiments according to the invention will now be described in more detail with reference to the accompanying drawings. However, these embodiments have many different forms and should not be construed as limited to the embodiments set forth herein. It is to be understood that these embodiments are provided to enable a thorough and complete disclosure of the invention, and to fully convey the concepts of these embodiments to ordinary ones skilled in the art. For purpose of clarification of the drawings, thicknesses of the layers and areas are increased, and the same reference numbers are used to designate the same devices, and thus their descriptions will be omitted.

As shown in FIG. 1, the vacuum cup of Embodiment one comprises: a vacuum cup body 10, a temperature indicator 20 and a heat transfer structure 30. The vacuum cup body 10 includes a tank 11 and an outer casing 12 arranged outside the tank 11, and a heat insulation interlayer 100 is formed between the tank 11 and the outer casing 12. The temperature indicator 20 is installed on the outer casing 12. The heat transfer structure 30 is set inside the heat insulation sandwich 100, and the temperature indicator 20 contacts with the tank 11 through the heat transfer structure 30 to transfer the temperature of the tank 11 to the temperature indicator 20.

In the application of the technical solution of Embodiment one, water is poured into the vacuum cup. The temperature of the tank 11 will quickly become consistent with that of the water after contact. The heat transfer structure 30 will transfer the temperature of the tank 11 to the temperature indicator 20, and the indicator 20 will display the temperature of the water in the cup. The technical solution of the embodiment effectively solves the problem that the outer casings 12 of the existing vacuum cups cannot display the temperature inside the cup.

As shown in FIG. 1 and FIG. 2, in the technical solution of embodiment one, the outer wall of the outer casing 12 is arranged with an installation section 121, wherein the temperature indicator 20 is installed. The outer wall of the outer casing 12 has an installation section 121, which, on the one hand, enables the easy installation of the temperature indicator 20, and on the other hand, ensures soundness and a longer life of the temperature indicator 20.

As shown in FIG. 1 and FIG. 2, in the technical solution of Embodiment one, the temperature indicator 20 is made of a plurality of color-changing materials, and configured to display different colors based on different temperatures. The above-mentioned structure is easy for arrangement and processing, and has a relatively low production cost. Specifically, the color changing of the temperature indicator 20 may be adjusted as necessary, and the temperature for color changing of the temperature indicator 20 may be adjusted by using different material composition, for example, using material composition that enables color changing at 45° or 70°. Various color-changing materials ensure that different colors displayed by the temperature indicator 20 of the vacuum cup of the embodiment corresponds to different temperatures. Besides, the vacuum cup body 10 is provided a comparison label comprising exemplary colors of the color-changing materials, so that the user can easily read the temperature of the liquid (hot water) in the vacuum cup.

As shown in FIG. 1 and FIG. 2, in the technical solution of Embodiment one, the installation section 121 is a groove on the outer wall that forms the outer casing 12, and the temperature indicator 20 is installed inside the groove. The groove structure is simple and easy to process. Specifically, there is a gap between the bottom of the groove and the tank 11, so that the heat retaining performance of the vacuum cup can be ensured. The groove is set to be an arcuate transition； such a structure offers more comfortable experience and a beautiful appearance.

As shown in FIG. 1 and FIG. 2, in the technical solution of Embodiment one, a first end of the heat transfer structure 30 contacts with the tank 11, a second end of the heat transfer structure 30 contacts with the bottom of the groove, and the heat transfer structure 30 divides the heat insulation interlayer 100 into communicated upper heat insulation interlayer 101 and lower heat insulation interlayer 102. Such a structure ensures that the temperature of the tank 11 can be quickly transferred to the outer casing 12. For example, after the hot water is poured into the vacuum cup, the temperature of the hot water is immediately transferred to the tank 11, and then the temperature of the tank 11 is immediately transferred to the outer casing 12 through the heat transfer structure 30, which continues to transfer the temperature to the temperature indicator 20, and then the temperature indicator 20 displays the temperature of the hot water in the tank 11 through the change of its own temperature.

As shown in FIG. 1 and FIG. 2, in the technical solution of Embodiment one, the heat transfer structure 30 includes a casing 31 and a thermal section 32 set inside the casing 31. Such a structure ensures a high heat transfer rate on the one hand, and on the other hand, ensures no heat loss when the heat of the tank 11 is transferred to the outer casing 12. Specifically, in the technical solution of the embodiment, the casing 31 is made of copper, and the thermal section 32 is made of highly efficient thermally conductive liquid disposed within the casing 31.

As shown in FIG. 1 and FIG. 2, in the technical solution of Embodiment one, the first end of the heat transfer structure 30 is serrated to make the upper heat insulation interlayer 101 and the lower heat insulation interlayer 102 communicating. The serrated structure, on the one hand, causes the heat transfer structure 30 to come into contact with the tank 11, thus ensuring the heat transfer function of the heat transfer structure 30, and on the other hand, ensures that the contact between the heat transfer structure 30 and the tank 11 is discontinuous, thus ensuring the communication between the upper heat insulation interlayer 101 and the lower heat insulation interlayer 102. In particular, the heat insulation interlayer 100 is a vacuum interlayer. The communication between the upper heat insulation interlayer 101 and the lower heat insulation interlayer 102 enables the vacuuming of the vacuum cup to be completed in one time； more specifically, the vacuuming hole being located in the bottom of the outer casing 12, the communication between the upper heat insulation interlayer 101 and the lower heat insulation interlayer 102 facilitates simultaneous vacuuming of the upper heat insulation interlayer101 when vacuuming at the outer casing 12. Of course, ones skilled in the art understand that the second end of the heat transfer structure 30 can be arranged serrated, or the first and second ends of the heat transfer structure 30 can be both arranged serrated.

As shown in FIG. 1 and FIG. 2, in the technical solution of Embodiment one, the installation section 121 is arranged at the junction between the bottom and the wall of the outer casing 12. Such a structure enables quick sensing of the temperature in the vacuum cup when the hot water is poured into, and specifically, the vacuum cup can display the temperature of the hot water inside even when the amount of hot water in the vacuum cup is relatively small. More specifically, the groove is at a same height of the vacuum cup. Of course, as known to ones skilled in the art, the groove may be a continuous loop of varying height.

The vacuum cup of Embodiment two differs from Embodiment one in that the heat transfer structure 30 includes an annular casing, and the center of the annular casing is arranged with through-holes to make the upper heat insulation interlayer 101 and the lower heat insulation interlayer 102 communicating, and the thermal section 32 is arranged inside the annular casing. In this way the upper heat insulation interlayer 101 and the lower heat insulation interlayer 102 can communicate with each other during the heat transfer in the heat transfer structure 30.

In the application of the technical solution of Embodiment two, water is poured into the vacuum cup. The temperature of the tank 11 will quickly become consistent with that of the water after contact. The heat transfer structure 30 will transfer the temperature of the tank 11 to the temperature indicator 20, and the indicator 20 will display the temperature of the water in the cup. The technical solution of the embodiment effectively solves the problem that the outer casings 12 of the existing vacuum cups cannot display the temperature inside the cup.

In the technical solution of Embodiment two, the outer wall of the outer casing 12 is provided with an installation section 121, wherein a temperature indicator 20 is installed. The outer wall of the outer casing 12 has an installation section 121, which, on the one hand, enables the easy installation of the temperature indicator 20, and on the other hand, ensures soundness and a longer life of the temperature indicator 20.

In the technical solution of Embodiment two, the temperature indicator 20 is made of a plurality of color-changing materials, and is configured to display different colors based on different temperatures. The above-mentioned structure is easy for arrangement and processing, and has a relatively low production cost. Specifically, the color changing of the temperature indicator 20 may be adjusted as necessary, and the temperature for color changing of the temperature indicator 20 may be adjusted by using different material composition, for example, using material composition that enables color changing at 45° or 70°. Various color-changing materials ensure that different colors displayed by the temperature indicator 20 of the vacuum cup of the embodiment correspond to different temperatures. Besides, the vacuum cup body 10 is provided with a comparison label comprising exemplary colors of the color-changing materials, so that the user can easily read the temperature of the liquid (hot water) in the vacuum cup.

In the technical solution of Embodiment two, the installation section 121 is a groove on the outer wall that forms the outer casing 12, and the temperature indicator 20 is installed inside the groove. The groove structure is simple and easy to process. Specifically, there is a gap between the bottom of the groove and the tank 11, so that the heat retaining performance of the vacuum cup can be ensured. The groove is set to be an arcuate transition； such a structure offers more comfortable experience and a beautiful appearance.

In the technical solution of Embodiment two, the first end of the heat transfer structure 30 contacts with the tank 11, the second end of the heat transfer structure 30 contacts with the bottom of the groove, and the heat transfer structure 30 divides the heat insulation interlayer 100 into communicated upper heat insulation interlayer 101 and lower heat insulation interlayer102. Such a structure ensures that the temperature of the tank 11 can be quickly transferred to the outer casing 12. For example, after the hot water is poured into the vacuum cup, the temperature of the hot water is immediately transferred to the tank 11, and then the temperature of the tank 11 is immediately transferred to the outer casing 12 through the heat transfer structure 30, the outer casing 12 continuing to transfer the temperature to the temperature indicator 20, and then the temperature indicator 20 displays the temperature of the hot water in the tank 11 through the change of its own temperature.

In the technical solution of Embodiment two, the heat transfer structure 30 includes a casing 31 and a thermal section 32 set inside the casing 31. Such a structure ensures a high heat transfer rate on the one hand, and on the other hand, ensures no heat loss when the heat of the tank 11 is transferred to the outer casing 12. Specifically, in the technical solution of the embodiment, the casing 31 is made of copper, and the thermal section 32 is made of highly efficient thermally conductive liquid disposed within the casing 31.

In the technical solution of Embodiment two, the installation section 121 is arranged at the junction between the bottom and the wall of the outer casing 12. Such a structure enables quick sensing of the temperature in the vacuum cup when the hot water is poured into, and specifically, the vacuum cup can display the temperature of the hot water inside even when the amount of hot water in the vacuum cup is relatively small. More specifically, the groove is at the same height of the vacuum cup. Of course, as known to ones skilled in the art, the groove may be a continuous loop of varying height.

The vacuum cup of Embodiment three differs from Embodiment one in that the temperature indicator 20 is made of a plurality of independent color-changing rings, and the color-changing rings are arranged side by side and installed on the outer casing 12, wherein each of them is made of a different color-changing material. These color-changing rings are independent of each other, so that the temperature indication of the temperature indicator 20 on the vacuum cup is more reliable.

In the technical solution of Embodiment three, water is poured into the vacuum cup. The temperature of the tank 11 will quickly become consistent with that of the water after contact. The heat transfer structure 30 will transfer the temperature of the tank 11 to the temperature indicator 20, and the indicator 20 will display the temperature of the water in the cup. The technical solution of the embodiment effectively solves the problem that the outer casings 12 of the existing vacuum cups cannot display the temperature inside the cup.

In the technical solution of Embodiment three, the outer wall of the outer casing 12 is provided with an installation section 121, wherein a temperature indicator 20 is installed. Providing the outer wall of the outer casing 12 with an installation section 121enables, on the one hand, the easy installation of the temperature indicator 20, and on the other hand, ensures soundness and a longer life of the temperature indicator 20.

In the technical solution of Embodiment three, the temperature indicator 20 is made of a plurality of color-changing materials, and is configured to display different colors based on different temperatures. The above-mentioned structure is easy for arrangement and processing, and has a relatively low production cost. Specifically, the color changing of the temperature indicator 20 may be adjusted as necessary, and the temperature for color changing of the temperature indicator 20 may be adjusted by using different material composition, for example, using material composition that enables color changing at 45° or 70°. Various color-changing materials ensure that different colors displayed by the temperature indicator 20 of the vacuum cup of the embodiment correspond to different temperatures. Besides, the vacuum cup body 10 is provided with a comparison label comprising exemplary colors of the color-changing materials, so that the user can easily read the temperature of the liquid (hot water) in the vacuum cup.

In the technical solution of Embodiment three, the installation section 121 is a groove on the outer wall that forms the outer casing 12, and the temperature indicator 20 is installed inside the groove. The groove structure is simple and easy to process. Specifically, there is a gap between the bottom of the groove and the tank 11, so that the heat retaining performance of the vacuum cup can be ensured. The groove is set to be an arcuate transition； such a structure offers more comfortable experience and a beautiful appearance.

In the technical solution of Embodiment three, the first end of the heat transfer structure 30 contacts with the tank 11, the second end of the heat transfer structure 30 contacts with the bottom of the groove, and the heat transfer structure 30 divides the heat insulation interlayer 100 into communicating upper heat insulation interlayer 101 and lower heat insulation interlayer 102. Such a structure ensures that the temperature of the tank 11 can be quickly transferred to the outer casing 12. For example, after the hot water is poured into the vacuum cup, the temperature of the hot water is immediately transferred to the tank 11, and then the temperature of the tank 11 is immediately transferred to the outer casing 12 through the heat transfer structure 30, the outer casing 12 continuing to transfer the temperature to the temperature indicator 20, and then the temperature indicator 20 displays the temperature of the hot water in the tank 11 through the change of its own temperature.

In the technical solution of Embodiment three, the heat transfer structure 30 includes a casing 31 and a thermal section 32 set inside the casing 31. Such a structure ensures a high heat transfer rate on the one hand, and on the other hand, ensures no heat loss when the heat of the tank 11 is transferred to the outer casing 12. Specifically, in the technical solution of the embodiment, the casing 31 is made of copper, and the thermal section 32 is made of highly efficient thermally conductive liquid disposed within the casing 31.

In the technical solution of Embodiment three, the installation section 121 is arranged at the junction between the bottom and the wall of the outer casing 12. Such a structure enables quick sensing of the temperature in the vacuum cup when the hot water is poured into, and specifically, the vacuum cup can display the temperature of the hot water inside even when the amount of hot water in the vacuum cup is relatively small. More specifically, the groove is at the same height of the vacuum cup. Of course, as known to ones skilled in the art, the groove may be a continuous loop at of varying height.

The vacuum cup of Embodiment four differs from Embodiment one in that the temperature indicator 20 are a plurality of independent color-changing rings installed on the outer casing 12 and spaced apart, wherein each of them is made of a different color-changing material, and a plurality of heat transfer structures 30 correspond one to one with the rings of the temperature indicator 20. These independently arranged color-changing rings are at different heights on the outer casing 12, so that the temperatures at different heights of the vacuum cup can be obtained. Each color-changing ring is arranged with spaces, so as to avoid mutual interference between the color-changing rings.

In the application of the technical solution of Embodiment four, water is poured into the vacuum cup. The temperature of the tank 11 will quickly become consistent with that of the water after contact. The heat transfer structure 30 will transfer the temperature of the tank 11 to the temperature indicator 20, and the indicator 20 will display the temperature of the water in the cup. The technical solution of the embodiment effectively solves the problem that the outer casings 12 of the existing vacuum cups cannot display the temperature inside the cup.

In the technical solution of Embodiment four, the outer wall of the outer casing 12 is arranged with an installation section 121, wherein the temperature indicator 20 is installed. The outer wall of the outer casing 12 having the installation section 121enables on the one hand, the easy installation of the temperature indicator 20, and on the other hand, ensures soundness and a longer life of the temperature indicator 20.

In the technical solution of Embodiment four, the temperature indicator 20 is made of a plurality of color-changing materials, and is configured to display different colors based on different temperatures. The above-mentioned structure is easy for arrangement and processing, and has a low production cost. Specifically, the color changing of the temperature indicator 20 may be adjusted as necessary, and the temperature for color changing of the temperature indicator 20 may be adjusted by using different material composition, for example, using material composition that enables color changing at 45° or 70°. Various color-changing materials ensure that different colors displayed by the temperature indicator 20 of the vacuum cup of the embodiment correspond to different temperatures. Besides, the vacuum cup body 10 is provided with a comparison label comprising exemplary colors of the color-changing materials, so that the user can easily read the temperature of the liquid (hot water) in the vacuum cup.

In the technical solution of Embodiment four, the installation section 121 is a groove on the outer wall that forms the outer casing 12, and the temperature indicator 20 is installed inside the groove. The groove structure is simple and easy to process. Specifically, there is a gap between the bottom of the groove and the tank 11, so that the heat retaining performance of the vacuum cup can be ensured. The groove is set to be an arcuate transition； such a structure offers more comfortable experience and a beautiful appearance.

In the technical solution of Embodiment four, the first end of the heat transfer structure 30 contacts with the tank 11, the second end of the heat transfer structure 30 contacts with the bottom of the groove, and the heat transfer structure 30 divides the heat insulation interlayer 100 into communicated upper heat insulation interlayer 101 and lower heat insulation interlayer 102. Such a structure ensures that the temperature of the tank 11 can be quickly transferred to the outer casing 12. For example, after the hot water is poured into the vacuum cup, the temperature of the hot water is immediately transferred to the tank 11, and then the temperature of the tank 11 is immediately transferred to the outer casing 12 through the heat transfer structure 30, the outer casing 12 continuing to transfer the temperature to the temperature indicator 20, and then the temperature indicator 20 displays the temperature of the hot water in the tank 11 through the change of its own temperature.

In the technical solution of Embodiment four, the heat transfer structure 30 includes a casing 31 and a thermal section 32 set inside the casing 31. Such a structure ensures a high heat transfer rate on the one hand, and on the other hand, ensures no heat loss when the heat of the tank 11 is transferred to the outer casing 12. Specifically, in the technical solution of the embodiment, the casing 31 is made of copper, and the thermal section 32 is made of highly efficient thermally conductive liquid disposed within the casing 31.

In the technical solution of Embodiment four, the installation section 121 is arranged at the junction between the bottom and the wall of the outer casing 12. Such a structure enables quick sensing of the temperature in the vacuum cup when the hot water is poured into, and specifically, the vacuum cup can display the temperature of the hot water inside even when the amount of hot water in the vacuum cup is relatively small. More specifically, the groove is at the same height of the vacuum cup. Of course, as known to ones skilled in the art, the groove may be a continuous loop of varying height.

It is to be noted that the terms used herein are for the purpose of describing specific embodiments only, and are not intended to restrict the embodiments in accordance with the application. As used herein, the singular forms are intended to include the plural forms unless the context clearly indicates otherwise, and it is to be understood that when the terms "comprise" and/or "include" are used in this description, features, steps, operations, devices, components, and/or combinations thereof are indicated.

It is to be noted that the terms "first", "second"and the like in the description and claims of the invention and the above accompanying drawings are for distinguishing similar objects, and are not necessarily for describing a specific sequence or order. It is to be understood that the data thus used is interchangeable where appropriate so that the embodiments of the invention described herein can be implemented, for example, in orders other than those illustrated or described herein. In addition, the terms "include"and "comprise" and any variations thereof are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units listed herein, but may include other steps or units that are not clearly listed or inherent to this process, method, system, product or device.

The above are only preferred embodiments of the invention, and are not intended to limit the invention. The invention can be varied and changed by the ones skilled in the art. Any modifications, equivalents, improvements and the like within the spirit and principles of the invention are intended to be included within the protection scope of the invention.

Claims

A vacuum cup comprising:

a vacuum cup body (10) , the vacuum cup body (10) including a tank (11) and an outer casing (12) arranged outside the tank (11) , wherein a heat insulation interlayer (100) is formed between the tank (11) and the outer casing (12) ；

a temperature indicator (20) arranged on the outer casing (12) ；

a heat transfer structure (30) set inside the heat insulation interlayer (100) , wherein the temperature indicator (20) contacts with the tank (11) through the heat transfer structure (30) to transfer the temperature of the tank (11) to the temperature indicator (20) .
The vacuum cup according to Claim 1, characterized in that the outer wall of the outer casing (12) is provided with an installation section (121) , the temperature indicator (20) being installed inside the installation section (121) .
The vacuum cup according to Claim 1, characterized in that the temperature indicator (20) is made of a plurality of color-changing materials, the temperature indicator (20) being configured to display different colors based on different temperatures； the vacuum cup body (10) being provided with a comparison label comprising exemplary colors of the color-changing materials.
The vacuum cup according to Claim 2, characterized in that the installation section (121) is a groove on the outer wall that forms the outer casing (12) , the temperature indicator (20) being installed inside the groove.
The vacuum cup according to Claim 4, characterized in that the first end of the heat transfer structure (30) contacts with the tank (11) , the second end of the heat transfer structure (30) contacts with the bottom of the groove, and the heat transfer structure (30) divides the heat insulation interlayer (100) into communicating upper heat insulation interlayer (101) and lower heat insulation interlayer (102) .
The vacuum cup according to Claim 5, characterized in that the heat transfer structure (30) includes a casing (31) and a thermal section (32) arranged inside the casing (31) .
The vacuum cup according to Claim 6, characterized in that the first and/or second ends of the heat transfer structure (30) is serrated to make the upper heat insulation interlayer (101) and the lower heat insulation interlayer (102) communicating.
The vacuum cup according to Claim 6, characterized in that the heat transfer structure (30) includes an annular casing, and the center of the annular casing is arranged with through-holes to make the upper heat insulation sandwich (101) and the lower heat insulation sandwich (102) communicating, and the thermal section (32) being arranged inside the annular casing.
The vacuum cup according to Claim 1, characterized in that the temperature indicator (20) being a plurality of independent color-changing rings, the color-changing rings being arranged side by side and installed on the outer casing (12) , wherein each of the color-changing rings is made of a different color-changing material.
The vacuum cup according to Claim 1, characterized in that the temperature indicator (20) being a plurality of independent color-changing rings that are installed on the outer casing (12) and spaced apart, wherein each of the color-changing rings is made of a different color-changing material, and a plurality of heat transfer structures (30) correspond one to one with the rings of the temperature indicator (20) .