CN211582514U - Heat insulation cup - Google Patents

Abstract

The utility model discloses a vacuum cup, the cup body comprises an inner cup wall and an outer cup wall, a grooved vacuum cavity is arranged between the inner cup wall and the outer cup wall, an annular first baffle plate is arranged in the vacuum cavity on the inner cup wall, the first baffle plate divides an annular heat exchange cavity in the vacuum cavity, a gap is arranged between the heat exchange cavity and the outer cup wall, an annular second baffle plate is arranged in the vacuum cavity on the outer cup wall, the second baffle plate divides an annular liquid storage cavity from the vacuum cavity, the liquid storage cavity is arranged above the heat exchange cavity, a gap is arranged between the liquid storage cavity and the inner cup wall, the lower end of the liquid storage cavity is provided with a first interface communicated with the interior of the liquid storage cavity, the upper end of the heat exchange cavity is provided with a second interface communicated with the interior of the heat exchange cavity, the second interface is arranged in the vacuum cavity, the first interface is communicated with the second interface, a valve is arranged at the communication position, heat exchange liquid is filled in the liquid storage cavity, the valve is opened to enable the heat exchange liquid to enter the heat exchange cavity to exchange heat with hot water in the cup body, and the structure is simple.

Description

a thermos cup

technical field

The utility model belongs to the field of water storage appliances, in particular to a thermos cup.

Background technique

In life, we often encounter this type of problem: in winter, if we want to drink a pot of hot water, we usually choose a hot water room. Due to the particularity of the structure of the thermos cup, the cooling speed is very slow and the waiting time is very long. During the cooling process of opening the bottle cap, it is also necessary to consider that the thermos cup will not be knocked over. , bacterial entry and a series of accidents. Of course, if we simply use a plastic cup for cooling, it is a good choice, but after cooling, we cannot maintain this temperature, and the hot water is automatically maintained at 50-60 ° C, which is just a comfortable water temperature that the human body can accept. At present, the patents of such works that can be found on my country's patent website are: At the same time, it is also necessary to ensure human manual intervention to control the water temperature of the two cavities to a certain extent and implement cooling treatment.

Utility model content

In order to solve the above technical problems, the purpose of the present invention is to provide a simple structure, which can control the water temperature to a temperature acceptable to the human body.

In order to achieve the above purpose, the technical scheme of the present utility model is as follows: a thermos cup, the cup body is a sandwich structure, which comprises an inner layer cup wall and an outer layer cup wall, and the inner layer cup wall and the outer layer cup wall are between A vacuum chamber is formed between the vacuum chambers, wherein the vacuum chamber is provided with an annular first baffle plate connected to the inner layer cup wall, and the first baffle plate and the inner layer cup wall jointly enclose An annular heat exchange cavity is formed, and there is a gap between the heat exchange cavity and the outer cup wall, and an annular second baffle plate connected to the outer cup wall is arranged in the vacuum cavity. The second partition plate and the outer cup wall together form an annular liquid storage cavity, the liquid storage cavity is located above the heat exchange cavity, and the liquid storage cavity and the inner cup wall are connected to each other. There is a gap between them, the lower end of the liquid storage cavity is provided with a first interface that communicates with its interior, the upper end of the heat exchange cavity has a second interface that communicates with its interior, and the first interface communicates with the second interface, And a valve is arranged at the communication place, and the liquid storage cavity is filled with heat exchange liquid.

The beneficial effect of the above technical solution is: by arranging a liquid storage cavity and a heat exchange cavity in the vacuum cavity, and separating the liquid storage cavity from the inner cup wall, the space between the heat exchange cavity and the outer cup wall is separated. The vacuum chamber is divided, and the heat exchange chamber and the liquid storage chamber are connected through a valve, and the valve is opened so that the heat exchange liquid in the normal temperature liquid storage chamber enters the heat exchange chamber and the heat in the cup. The water exchanges heat to lower the water temperature in the cup to 50-60°C.

In the above technical solution, the valve is a temperature control valve, and the first interface is located in the vacuum chamber, the sensing end of the temperature control valve is in contact with the inner cup wall, and the sensing end of the temperature control valve is in contact with the inner cup wall. When the sensed temperature is high, the temperature control valve is opened, and when the temperature sensed by the sensing end of the temperature control valve is low, the temperature control valve is closed.

The beneficial effect of the above technical solution is that the structure is simple, and the opening or closing of the cup can be controlled by the water temperature in the cup, which makes the temperature control convenient and ensures that the water temperature does not drop to normal temperature.

In the above technical solution, the temperature control valve includes a valve casing, a valve core and a wax storage casing, the valve casing is vertically arranged, and the interior is hollow, and the side wall of the valve casing is provided with a third interface and a fourth interface, the lower end of the valve shell is provided with a fifth interface that communicates with its interior, the wax storage shell is arranged in the vacuum chamber, and is located at the lower end of the inner layer cup wall, and the wax storage shell There is a gap with the outer cup wall, and the wax storage shell is communicated with the fifth interface, the third interface is communicated with any one of the first interface and the second interface, the fourth interface The interface is communicated with the remaining one of the first interface and the second interface, the wax storage shell is filled with solid wax, the valve core is slidably placed in the valve shell, and a valve core is provided with a Through holes, and the valve core is in sealing and sliding contact with the inner side wall of the valve shell, the paraffin block in the wax storage shell is melted into liquid after heat exchange with the hot water in the cup, and pushes the valve core to move The inside of the valve shell slides upward to the inner top of the valve shell, and the third interface and the fourth interface are communicated through the through hole on the valve core, so as to open the temperature control valve and wait until the inside of the cup. When the water temperature drops below the melting point of the wax, after the wax in the wax storage shell is solidified, the valve core slides down to the bottom of the valve shell, and the third port and the fourth port are blocked by the valve core, so that all the The temperature control valve is closed, and the contact between the wax storage shell and the inner cup wall constitutes the sensing end of the temperature control valve.

The beneficial effects of the above technical solutions are: the structure is simple, and the temperature control valve can be opened or closed by using the principle of thermal expansion and cold contraction.

In the above technical solution, the wax storage shell and the inner cup wall are integrally formed.

The beneficial effect of the above technical solution is that the heat exchange effect is good.

In the above technical solution, the cross section of the valve housing is square.

The beneficial effects of the above technical solutions are that the structure is simple, and the valve core can only move up and down in the valve housing, so that the valve is opened or closed during the up and down movement of the valve core.

Description of drawings

1 is a schematic diagram of the structure of a thermos cup in the prior art;

Fig. 2 is the structural diagram of the cup body described in the embodiment of the present utility model;

FIG. 3 is a schematic diagram of the structure of the heat preservation valve in the embodiment of the present utility model.

In the figure: 1 cup body, 11 inner cup wall, 111 vacuum chamber, 112 heat exchange chamber, 1121 second port, 113 liquid storage chamber, 1131 first port, 12 outer cup wall, 13 first partition, 14 The second partition, 15 valves, 151 valve shells, 1511 third ports, 1512 fourth ports, 1513 fifth ports, 152 valve cores, 1521 through holes, 153 wax storage shells, 2 cup lids.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figures 1-3, this embodiment provides a thermos cup, the cup body 1 is a sandwich structure, which includes an inner cup wall 11 and an outer cup wall 12, the inner cup wall 11 and the outer cup wall A vacuum chamber 111 is formed between the layer cup walls 12 , wherein the vacuum chamber 111 is provided with an annular first baffle 13 connected to the inner layer cup wall 11 , and the first baffle 13 Together with the inner cup wall 11, a ring-shaped heat exchange cavity 112 is formed. There is a gap between the heat exchange cavity 112 and the outer cup wall 12. The annular second baffle 14 on the outer cup wall 12, the second baffle 14 and the outer cup wall 12 together form an annular liquid storage cavity 113, the liquid storage cavity 113 is located in the Above the heat exchange cavity 112, and there is a gap between the liquid storage cavity 113 and the inner cup wall 11, the lower end of the liquid storage cavity 113 is provided with a first interface 1131 communicating with the inside thereof. The upper end of the thermal chamber 112 has a second port 1121 communicating with the inside thereof, and the second port 1121 is located in the vacuum chamber 111, the first port 1131 communicates with the second port 1121, and is provided at the communication place. There is a valve 15, and the liquid storage cavity 113 is filled with a heat exchange liquid. Open the valve 15 so that the heat exchange liquid enters the heat exchange cavity 112 to exchange heat with the hot water in the cup, or the cup is inverted to make the heat exchange cavity. The heat exchange liquid is returned to the liquid storage chamber 113 . In this way, by arranging a liquid storage cavity and a heat exchange cavity in the vacuum cavity, and separating the liquid storage cavity from the inner cup wall, the heat exchange cavity and the outer cup wall are separated by the vacuum cavity, The heat exchange cavity is connected with the liquid storage cavity through a valve, and the valve is opened instead so that the heat exchange liquid in the normal temperature liquid storage cavity enters the heat exchange cavity and exchanges heat with the hot water in the cup to reduce The temperature of the water in the cup is lowered to 50-60°C.

In the above technical solution, the valve 15 is installed on the outer cup wall 12 , and the two joint ends thereof are respectively communicated with the first interface 1131 and the second interface 1121 . The structure is simple and the operation is convenient. The heat exchange liquid can be returned to the liquid storage cavity without cooling the hot water in the cup. When the water temperature in the cup needs to be lowered, the valve only needs to be opened.

Wherein, the whole cup body is preferably made of stainless steel.

Wherein, in the above technical solution, the valve 15 is a temperature control valve, the temperature control valve is placed in the vacuum chamber 111, and the first interface 1131 is located in the vacuum chamber 111, and the temperature control valve is located in the vacuum chamber 111. The sensing end is in contact with the inner cup wall 11. When the temperature sensed by the sensing end of the temperature control valve is high, the temperature control valve is opened, and when the temperature sensed by the sensing end of the temperature control valve is low , the temperature control valve is closed, so its structure is simple, and it can be controlled to open or close by the water temperature in the cup body, so that its temperature control is convenient, and it can ensure that the water temperature will not drop to normal temperature.

In the above technical solution, the temperature control valve includes a valve casing 151, a valve core 152 and a wax storage casing 153. The valve casing 151 is arranged vertically and is hollow inside. The third interface 1511 and the fourth interface 1512 of the valve shell 151 are provided with a fifth interface 1513 at the lower end of the valve shell 151, which is communicated with the inside thereof. The wax storage shell 153 is arranged in the vacuum chamber 111 and is located in the inner layer The lower end of the cup wall 11, and there is a gap between the wax storage shell 153 and the outer cup wall 12, and the wax storage shell 153 communicates with the fifth interface 1513, and the third interface 1511 and the Any one of the first interface 1131 and the second interface 1121 is in communication, the fourth interface 1512 is in communication with the remaining one of the first interface 1131 and the second interface 1121, and the wax storage shell 153 is filled with solid Wax, the valve core 152 is slidably placed in the valve housing 151, a through hole 1521 is formed on the valve core 152, and the valve core 152 is in sealing sliding contact with the inner wall of the valve housing 151. The paraffin block in the wax storage shell 153 is melted into liquid after heat exchange with the hot water in the cup, and pushes the valve core 152 to slide up in the valve shell 151 to the inner top of the valve shell 151, so the The third interface 1511 and the fourth interface 1512 are communicated through the through hole 1521 on the valve core 152 to open the temperature control valve. When the water temperature in the cup drops below the melting point of the wax, the wax storage After the wax in the shell 153 is solidified, the valve core 152 slides down to the bottom of the valve shell 151, and the third port 1511 and the fourth port 1512 are blocked by the valve core 152 to close the temperature control valve, so The contact between the wax storage shell 153 and the inner cup wall 11 constitutes the sensing end of the temperature control valve, so that the temperature control valve can be opened or closed by using the principle of thermal expansion and cold contraction.

In the above technical solution, the wax storage shell 153 and the inner cup wall 11 are integrally formed, and the heat exchange effect is good.

In the above technical solution, the cross section of the valve shell 151 is square, and its structure is simple, and the valve core can only move up and down in the valve shell. The cross section of the valve housing is square, which can prevent the valve core from rotating in the valve housing, so that the through hole on the valve core cannot be aligned with the third interface and the fourth interface during the up and down sliding process of the valve core.

The principle of this embodiment is: since the paraffin block melts at 47°C-64°C, when the water temperature in the cup is higher than this temperature, it will exchange heat with the paraffin in the wax storage shell to melt the paraffin and make its volume The through hole that expands to squeeze the valve core to move upward in the valve shell connects the third interface and the fourth interface, so that the liquid in the liquid storage chamber enters the heat exchange chamber for further communication with the heat exchange chamber. The water in the cup undergoes heat exchange, so that the water temperature continues to decrease. When the temperature is lower than the melting point of the paraffin block, it will gradually solidify and the volume will decrease. At this time, the valve core slides in the valve shell to connect the third interface and The fourth port is blocked. At this time, turn the teacup upside down, and the valve core will move down to the through hole under the action of gravity to connect the third port and the fourth port. At this time, the heat exchange liquid in the heat exchange chamber will return to the liquid storage chamber inside, at this time, the cup body is immediately ready.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (5)

1. A thermos cup, comprising a cup body (1) and a cup cover (2), wherein the cup body (1) is a sandwich structure comprising an inner layer cup wall (11) and an outer layer cup wall (12), so A vacuum chamber (111) is formed between the inner layer cup wall (11) and the outer layer cup wall (12), characterized in that a vacuum chamber (111) is provided in the vacuum chamber (111) connected to the inner layer cup wall (11). ), the first baffle (13) and the inner cup wall (11) together form an annular heat exchange cavity (112), the heat exchange There is a gap between the cavity (112) and the outer cup wall (12), and an annular second partition (14) connected to the outer cup wall (12) is arranged in the vacuum cavity (111) , the second partition plate (14) and the outer cup wall (12) together form an annular liquid storage cavity (113), and the liquid storage cavity (113) is located in the heat exchange cavity (112) ), and there is a gap between the liquid storage cavity (113) and the inner cup wall (11), and the lower end of the liquid storage cavity (113) is provided with a first interface (1131) communicating with the inside of the liquid storage cavity (113). , the upper end of the heat exchange chamber (112) has a second interface (1121) communicating with the inside thereof, the first interface (1131) communicates with the second interface (1121), and a valve (1121) is provided at the communication place. 15), the liquid storage chamber (113) is filled with heat exchange liquid. 2. The thermos cup according to claim 1, wherein the valve (15) is a temperature control valve, and the first interface (1131) is located in the vacuum chamber (111), and the temperature control valve The sensing end of the valve is in contact with the inner cup wall (11). When the temperature sensed by the sensing end of the temperature control valve is high, the temperature control valve is opened, and the sensing end of the temperature control valve senses When the temperature is low, the thermostatic valve is closed. 3. The thermos cup according to claim 2, wherein the temperature control valve comprises a valve shell (151), a valve core (152) and a wax storage shell (153), and the valve shell (151) is vertical The valve casing (151) is provided with a third interface (1511) and a fourth interface (1512) which communicate with the inside of the valve casing (151), and the lower end of the valve casing (151) is provided with a third interface (1511) and a fourth interface (1512). The fifth interface (1513) is connected, the wax storage shell (153) is arranged in the vacuum chamber (111), and is located at the lower end of the inner cup wall (11), and the wax storage shell (153) ) and the outer cup wall (12) with a gap, and the wax storage shell (153) communicates with the fifth interface (1513), the third interface (1511) and the first interface (1131) communicates with any one of the second ports (1121), the fourth port (1512) communicates with the remaining one of the first ports (1131) and the second ports (1121), and the wax storage shell (153) is filled with solid wax, the valve core (152) is slidably placed in the valve shell (151), a through hole (1521) is formed on the valve core (152), and the valve core (152) is The core (152) is in sealing and sliding contact with the inner side wall of the valve shell (151), and the paraffin block in the wax storage shell (153) is melted into liquid after heat exchange with the hot water in the cup and pushes the valve The core (152) slides up to the inner top of the valve housing (151) in the valve housing (151), and the third port (1511) and the fourth port (1512) pass through the valve core (152) The through hole (1521) on the cup is connected to open the temperature control valve. When the water temperature in the cup drops below the melting point of the wax, after the wax in the wax storage shell (153) is solidified, the valve core (152) slides down to the inner bottom of the valve housing (151), the third port (1511) and the fourth port (1512) are blocked by the valve core (152) to close the temperature control valve, the storage The contact between the wax shell (153) and the inner cup wall (11) constitutes the sensing end of the temperature control valve. 4. The thermos cup according to claim 3, wherein the wax storage shell (153) is integrally formed with the inner cup wall (11). 5. The thermos cup according to claim 3, characterized in that, the cross section of the valve shell (151) is square.

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