Vacuum cup

Abstract

The utility model relates to a vacuum cup, which comprises an inner container, an outer container and a heat insulation layer, the inner container comprises a first inner wall and a first outer wall, a liquid storage cavity and a first opening communicated with the liquid storage cavity are arranged in the first inner wall, a first chamber is arranged between the first inner wall and the first outer wall, and the first chamber is provided with a phase change material for cooling; the cup base comprises a second inner wall and a second outer wall, the second inner wall is arranged around the inner container, and an insulating cavity is defined between the second inner wall and the second outer wall; the cup cover is detachably arranged on the inner container and / or the cup base, and the cup cover is used for opening or closing the first opening. According to the vacuum cup, the first cavity is formed in the inner container and filled with the phase-change material used for cooling, liquid in the liquid storage cavity can be rapidly cooled through heat absorption of the phase-change material to achieve the freezing effect, meanwhile, the cup base and the cup cover are further arranged so that the temperature of the liquid in the liquid storage cavity can be maintained, and the insulation cavity is formed in the cup base; the insulating chamber can effectively prevent the phase change material from exchanging heat with the outside, and further maintain the temperature of the liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of daily life utensils, in particular to a thermos cup. Background Art

[0002] With the development of science and technology, various daily necessities are also undergoing rapid changes according to different functional requirements. For example, cups are generally divided into ordinary cups and thermos cups. In order to make it easier for people to drink cool drinks quickly, cooling cups have gradually appeared on the market. These cooling cups add a phase change insulation material for cooling between the inner liner and the outer shell of the cup body (phase change insulation material can absorb heat (cold) from the environment during the phase change process and release heat (cold) to the environment when needed, thereby achieving the purpose of controlling the surrounding temperature). After the drink is poured into the inner liner, the phase change material can quickly absorb heat, thereby achieving a freezing effect by lowering the water temperature. However, current cooling cups have difficulty keeping the drink in a frozen state after cooling. Especially in the hot summer outdoors, the cooled drink will quickly return to its original temperature, which cannot meet the needs of users. Utility Model Content

[0003] Based on this, it is necessary to provide a thermos cup to address the problem that the current cooling cup has poor insulation effect, is difficult to keep the beverage in a frozen state after cooling, and cannot well meet user needs.

[0004] A thermos cup comprises: an inner liner, the inner liner comprising a first inner wall and a first outer wall, a liquid storage cavity and a first opening communicating with the liquid storage cavity being provided in the first inner wall, a first chamber being provided between the first inner wall and the first outer wall, the first chamber being provided with a phase change material for cooling; a cup base, the cup base comprising a second inner wall and a second outer wall, the second inner wall being provided around the inner liner, an insulating chamber being enclosed between the second inner wall and the second outer wall; and a cup cover, the cup cover being detachably provided on the inner liner and / or the cup base, the cup cover being used to open or close the first opening.

[0005] The present application provides a thermos cup, in which the inner liner and the cup base are double-layer structures respectively, and a first chamber is formed between the first inner wall and the first outer wall of the inner liner and is filled with a phase change material for cooling. Therefore, when high-temperature liquid is poured into the liquid storage chamber, the phase change material can absorb heat to quickly cool the liquid in the liquid storage chamber to achieve a freezing effect. At the same time, a cup base and a cup lid for wrapping the inner liner are provided to help maintain the temperature of the liquid in the liquid storage chamber. An insulating chamber is formed between the second inner wall and the second outer wall of the cup base, and the insulating chamber is a vacuum structure or filled with insulating material, thereby effectively avoiding heat exchange between the phase change material and the outside world, so that the phase change material can preferentially release cold energy back to the liquid in the liquid storage chamber to maintain the temperature of the liquid.

[0006] In one embodiment, a second chamber is provided between the second inner wall and the first outer wall. By adopting the above structure, the second chamber is provided between the second inner wall and the first outer wall. The second chamber is an air layer. The thermal conductivity of air is second only to that of a vacuum, which can effectively reduce heat transfer. This further improves the thermal insulation performance of the outer layer of the thermos cup, prevents heat exchange between the inner liner and the outside world, and improves the thermal insulation effect.

[0007] In one embodiment, the cup lid includes a lid body and a connecting ring. The lid body is located above the inner container. The connecting ring is provided on a side of the lid body close to the inner container. A second opening is provided at the top of the second chamber. At least a portion of the connecting ring extends into the second chamber through the second opening. The two sides of the connecting ring are connected to the first outer wall and the second inner wall, respectively. By adopting the above structure, the second chamber and the connecting ring form a positioning function, which can facilitate the rapid positioning and assembly of the cup lid. When the cup lid is closed, the lid body can be connected to the inner container and the cup holder respectively through the cooperation of the connecting ring, the first outer wall and the second inner wall, thereby closing the first opening and the second opening at the same time. The cup lid has a simple structure, which is convenient for user operation and can also minimize sanitary blind spots, making it easier for users to clean the cup lid.

[0008] In one embodiment, the inner liner is detachably mounted in the cup holder. The detachable inner liner facilitates removal of the inner liner from the cup holder for cleaning and maintenance. Furthermore, the cover body can be connected to the inner liner and the cup holder via the inner and outer sides of the connecting ring, respectively. Therefore, the user can connect the cup cover to the inner liner or the cup holder separately as needed for independent use.

[0009] In one embodiment, a first external thread is provided on the top of the first outer wall, and a first internal thread is provided on the inner wall of the connecting ring that matches the first external thread. The connecting ring is connected to the first outer wall via the first internal thread and the first external thread. The threaded connection provides excellent sealing performance. When the cup lid is connected to the inner container, the first internal thread and the first external thread cooperate to effectively prevent leakage of liquid from the liquid storage chamber.

[0010] In one embodiment, a second internal thread is provided at the top of the second inner wall, and a second external thread is provided on the outer wall of the connecting ring that matches the second internal thread. The connecting ring is connected to the second inner wall via the second external thread and the second internal thread. By adopting a threaded connection, the user can apply a tightening force to tightly connect the connecting ring and the cup holder, with the second external thread and the second internal thread cooperating. The threaded connection can withstand large tensile and shear forces, greatly improving the endurance of the connection.

[0011] In one embodiment, the cup lid further includes a decorative ring, which is disposed on a side of the lid body proximal to the inner container. The decorative ring is located outside the connecting ring, and an annular groove is formed on the top wall of the cup holder. The decorative ring fits into the annular groove. The decorative ring, when the connecting ring is connected to the cup holder, fits into the annular groove. This provides a dust-proof effect, reducing the risk of dust and other foreign matter entering the thermos cup.

[0012] In one embodiment, a sealing ring is further included. The sealing ring is disposed on the lid body and / or the connecting ring, and the cup lid is sealedly connected to the inner container via the sealing ring. The sealing ring improves the airtightness of the connection between the cup lid and the inner container when the cup lid is connected, thereby reducing the risk of liquid leakage in the liquid storage chamber.

[0013] In one embodiment, a locking assembly is further included, which includes a locking member and a button. The locking member is movably provided on the cup holder, and the locking member can be extended and retracted relative to the inner liner and has at least a locking position and a release position. When the locking member is in the locking position, it abuts against the inner liner to limit the movement of the inner liner. When the locking member is in the release position, it separates from the inner liner to allow the inner liner to leave the cup holder. The button is movably provided on the cup holder, and the button is transmission-connected to the locking member so that the locking member switches between the locking position and the release position. By adopting the above structure, when drinking water, the user can operate the button to move the locking part to the locking position, so that the locking part and the inner liner abut against each other to form a limit locking effect on the inner liner. When opening the lid, the cup lid can be synchronously separated from the cup holder and the inner liner respectively, and the user can directly drink water without additionally fixing or holding the inner liner; when the user needs to take out the inner liner from the cup holder, the locking part can be moved to the release position, thereby releasing the locking effect of the locking part on the inner liner, and the inner liner can be separated from the cup holder. Specifically, when the user unscrews the cup lid, the first internal thread and the first external thread can be limited and cooperated, so that the inner liner can be taken out synchronously with the cup lid.

[0014] In one embodiment, the first outer wall is recessed inward to form a limiting groove. When the locking member is in the locked position, the end of the locking member away from the button extends into the limiting groove, and the locking member abuts and cooperates with the inner wall of the limiting groove to restrict the movement of the inner liner. When the locking member is in the released position, the locking member moves away from the limiting groove to allow the inner liner to leave the cup holder. By adopting the above structure, when the locking member is in the locked position, the locking member abuts and cooperates with the inner side wall of the limiting groove on the first outer wall, restricting the inner liner when the user unscrews the cup lid, so that the cup lid can be separated from the cup holder and the inner liner respectively at the same time. In addition, the locking member abuts against the top wall of the limiting groove, thereby providing a fixed support for the inner liner and preventing the inner liner from falling out when the user drinks water.

[0015] In one embodiment, the outer wall of the cup holder is provided with a positioning groove, the bottom wall of the positioning groove is provided with a through hole communicating with the limiting groove, the button and the locking member are movably disposed in the positioning groove, and an end of the locking member remote from the button can extend into the limiting groove through the through hole, and the locking assembly further comprises an elastic member disposed in the positioning groove, with two sides of the elastic member respectively abutting against the button and the bottom wall of the positioning groove. When the locking member moves from the release position to the lock position, the elastic member elastically deforms to provide an elastic restoring force for returning the locking member to the release position. By adopting the above structure, the button and the locking member are positioned in the positioning groove for convenient and quick positioning and installation. By providing the elastic member connecting the button and the bottom wall of the positioning groove, the user can release the button when the user finishes drinking. The button, under the action of the elastic restoring force of the elastic member, automatically drives the locking member from the lock position to the release position, making the inner liner release operation more convenient and quick.

[0016] In one embodiment, the elastic member is sleeved on the outside of the locking member, thereby facilitating the positioning and assembly of the elastic member, ensuring that the elastic member is arranged vertically, and avoiding tilting, reduction in working height, breakage, etc. after long-term use.

[0017] In one embodiment, the locking assembly further includes a self-locking switch, which includes a push-type lock catch and a lock tongue, one of which is disposed on the button, and the other of which is disposed on the bottom wall of the positioning groove, the lock tongue being capable of cooperating with the push-type lock catch to lock the button so that the locking member is in the locked position, and the self-locking switch being configured to lock or release the button when pressed. The push-type lock catch is configured to lock the lock tongue when the button is pressed, driving the locking member to move from the released position to the locked position, and to release the lock tongue when the button is pressed again, thereby eliminating the need for the user to keep pressing the button when locking the inner container. Specifically, when the user needs to lock the inner liner, he presses the button to drive the locking piece to move from the release position to the locking position. At the same time, the lock tongue is driven by the button to extend into the push-type lock and fasten with it, so that the self-locking switch locks the button so that the locking piece automatically remains in the locked position. At this time, the user can remove the hand pressing the button. When the user needs to take out the inner liner, he presses the button again to separate the push-type lock from the lock tongue. As a result, the restriction of the push-type lock on the button disappears, and the button can drive the locking piece to reset under the elastic action of the elastic piece, thereby releasing the inner liner.

[0018] In one embodiment, the phase change material is water. Water is a natural, environmentally friendly phase change material that is highly safe and environmentally friendly. Water has a high specific heat capacity and absorbs heat quickly but warms slowly, allowing it to absorb a large amount of heat in a short period of time. To improve cooling efficiency, the user can remove the inner liner from the cup holder and place it in a refrigerator to freeze, allowing the water to condense into ice and store cold.

[0019] In one embodiment, the top of the inner container extends out of the cup holder and is provided with the first opening. By adopting the above structure, the cup holder can be avoided from blocking the inner container, making it more convenient for the user to drink or pour water, and reducing the risk of liquid flowing into the second chamber through the first opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A perspective view of a thermos cup according to one embodiment;

[0021] Figure 2 An exploded view of a thermos cup according to one embodiment;

[0022] Figure 3 A cross-sectional view of a thermos cup according to one embodiment;

[0023] Figure 4 is a perspective view of a cup cover according to one embodiment;

[0024] Figure 5 for Figure 3 Magnified view of area A.

[0025] The corresponding relationship between the reference numerals and component names is as follows:

[0026] 1 liner, 101 liquid storage cavity, 102 first opening, 103 first chamber, 104 limiting groove, 11 first inner wall, 12 first outer wall, 121 first outer thread, 13 phase change material;

[0027] 2 cup holder, 201 insulating chamber, 202 second chamber, 203 second opening, 204 annular groove, 205 positioning groove, 206 through hole, 21 second inner wall, 211 second inner thread, 22 second outer wall;

[0028] 3 cup cover, 31 cover body, 32 connecting ring, 321 first internal thread, 322 second external thread, 33 decorative ring;

[0029] 4 Locking assembly, 41 Locking member, 42 Button, 43 Elastic member, 44 Self-locking switch, 441 Push-type lock buckle, 442 Lock tongue. DETAILED DESCRIPTION

[0030] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0032] The following describes some embodiments of the thermos cup according to the present invention with reference to the accompanying drawings.

[0033] like Figures 1 to 3 As shown, this embodiment discloses a thermos cup, comprising: an inner liner 1, the inner liner 1 comprising a first inner wall 11 and a first outer wall 12, a liquid storage cavity 101 and a first opening 102 communicating with the liquid storage cavity 101 being provided in the first inner wall 11, a first chamber 103 being provided between the first inner wall 11 and the first outer wall 12, the first chamber 103 being provided with a phase change material 13 for cooling; a cup base 2, the cup base 2 comprising a second inner wall 21 and a second outer wall 22, the second inner wall 21 being arranged around the inner liner 1, and an insulating chamber 201 being enclosed between the second inner wall 21 and the second outer wall 22; a cup cover 3, the cup cover 3 being detachably provided on the inner liner 1 and / or the cup base 2, and the cup cover 3 being used to open or close the first opening 102.

[0034] The present application provides a thermos cup, in which the inner liner 1 and the cup holder 2 are respectively double-layer structures. A first chamber 103 is formed between the first inner wall 11 and the first outer wall 12 of the inner liner 1 and is filled with a phase change material 13 for cooling. Therefore, when high-temperature liquid is poured into the liquid storage chamber 101, the phase change material 13 can absorb heat to quickly cool the liquid in the liquid storage chamber 101 to achieve a freezing effect. At the same time, a cup holder 2 and a cup cover 3 for wrapping the inner liner 1 are provided to help maintain the temperature of the liquid in the liquid storage chamber 101. An insulating chamber 201 is formed between the second inner wall 21 and the second outer wall 22 of the cup holder 2. The insulating chamber 201 is a vacuum structure or filled with insulating material, thereby effectively avoiding heat exchange between the phase change material 13 and the outside world, so that the phase change material 13 can preferentially release cold energy back to the liquid in the liquid storage chamber 101 to maintain the temperature of the liquid.

[0035] like Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines: a second chamber 202 is provided between the second inner wall 21 and the first outer wall 12. By adopting the above structure, the second chamber 202 is provided between the second inner wall 21 and the first outer wall 12. The second chamber 202 is an air layer. The thermal conductivity of air is second only to that of a vacuum, which can effectively reduce heat transfer. This can further improve the thermal insulation performance of the outer layer of the thermos cup, prevent heat exchange between the inner liner 1 and the outside world, and improve the thermal insulation effect.

[0036] like Figures 2 to 4 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the cup cover 3 includes a cover body 31 and a connecting ring 32, the cover body 31 is located above the inner container 1, the connecting ring 32 is arranged on the side of the cover body 31 close to the inner container 1, the top of the second chamber 202 is provided with a second opening 203, at least a portion of the connecting ring 32 extends into the second chamber 202 through the second opening 203, and the two sides of the connecting ring 32 are respectively connected to the first outer wall 12 and the second inner wall 21. By adopting the above structure, the second chamber 202 and the connecting ring 32 form a positioning function, which can facilitate the rapid positioning and assembly of the cup cover 3. When the cup cover 3 is closed, the cover body 31 can be connected to the inner container 1 and the cup holder 2 respectively through the cooperation of the connecting ring 32 and the first outer wall 12 and the second inner wall 21, thereby simultaneously closing the first opening 102 and the second opening 203; the cup cover 3 has a simple structure, is convenient for user operation, and can also minimize sanitary blind spots, making it easier for users to clean the cup cover 3.

[0037] like Figure 2As shown, in addition to the features of the above embodiment, this embodiment further defines that the inner liner 1 is detachably disposed in the cup holder 2. By providing a detachable inner liner 1, it is convenient for the user to remove the inner liner 1 from the cup holder 2 for cleaning and maintenance, and the cover body 31 can be connected to the inner liner 1 and the cup holder 2 via the inner and outer sides of the connecting ring 32, respectively. Therefore, the user can also connect the cup cover 3 to the inner liner 1 or the cup holder 2 separately as needed for independent use.

[0038] like Figures 2 to 4 As shown, in addition to the features of the above embodiment, this embodiment further defines: a first external thread 121 is provided on the top of the first outer wall 12, a first internal thread 321 is provided on the inner wall of the connecting ring 32 to match the first external thread 121, and the connecting ring 32 is connected to the first outer wall 12 via the first internal thread 321 and the first external thread 121. The threaded connection has good sealing performance. When the cup cover 3 is connected to the inner liner 1, the first internal thread 321 and the first external thread 121 cooperate to effectively prevent liquid leakage in the liquid storage chamber 101.

[0039] like Figures 2 to 4 As shown, in addition to the features of the above-described embodiment, this embodiment further defines: a second internal thread 211 is provided at the top of the second inner wall 21, a second external thread 322 is provided on the outer wall of the connecting ring 32, and the connecting ring 32 is connected to the second inner wall 21 via the second external thread 322 and the second internal thread 211. Through the threaded connection, the second external thread 322 cooperates with the second internal thread 211, and the user applies a tightening force to tightly connect the connecting ring 32 and the cup holder 2. The threaded connection can withstand large tensile and shear forces, greatly improving the endurance of the connection.

[0040] like Figures 2 to 4 As shown, in addition to the features of the above embodiment, this embodiment further defines: the cup cover 3 also includes a decorative ring 33, which is arranged on the side of the cover body 31 near the inner liner 1. The decorative ring 33 is located outside the connecting ring 32. The top wall of the cup holder 2 is formed with an annular groove 204, and the decorative ring 33 is adapted to be installed in the annular groove 204. Due to the provision of the decorative ring 33, when the connecting ring 32 is adapted to be connected to the cup holder 2, the decorative ring 33 can be adapted to be installed in the annular groove 204. The decorative ring 33 can provide a dustproof function, reducing the risk of dust and other foreign matter entering the thermos cup.

[0041] In addition to the features of the above embodiment, this embodiment further comprises a sealing ring disposed on the lid body 31 and / or the connecting ring 32, through which the cup lid 3 is sealedly connected to the inner liner 1. The sealing ring improves the airtightness of the connection between the cup lid 3 and the inner liner 1 when the cup lid 3 is connected to the inner liner 1, thereby reducing the risk of liquid leakage in the liquid storage chamber 101.

[0042] like Figure 3 and Figure 5 As shown, in addition to the features of the above embodiments, this embodiment is further defined as follows: it also includes a locking assembly 4, the locking assembly 4 includes a locking member 41 and a button 42, the locking member 41 is movably provided on the cup holder 2, the locking member 41 can be extended and retracted relative to the inner liner 1 and has at least a locking position and a release position, when the locking member 41 is in the locking position, it abuts against the inner liner 1 to restrict the movement of the inner liner 1, and when the locking member 41 is in the release position, it separates from the inner liner 1 to allow the inner liner 1 to leave the cup holder 2, the button 42 is movably provided on the cup holder 2, and the button 42 is transmission-connected to the locking member 41 so that the locking member 41 switches between the locking position and the release position. By adopting the above structure, when drinking water, the user can operate the button 42 to move the locking member 41 to the locking position, so that the locking member 41 abuts against the inner liner 1 to form a limit locking effect on the inner liner 1. When opening the lid, the cup cover 3 can be synchronously separated from the cup holder 2 and the inner liner 1 respectively, and the user can directly drink water without additionally fixing or holding the inner liner 1; when the user needs to remove the inner liner 1 from the cup holder 2, the locking member 41 can be moved to the release position, thereby releasing the locking effect of the locking member 41 on the inner liner 1, and the inner liner 1 can be separated from the cup holder 2. Specifically, when the user unscrews the cup cover 3, the first internal thread 321 can be limitedly cooperated with the first external thread 121, so that the inner liner 1 can be taken out synchronously with the cup cover 3.

[0043] like Figure 2 and Figure 5 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the first outer wall 12 is recessed inward to form a limiting groove 104. When the locking member 41 is in the locked position, the end of the locking member 41 away from the button 42 extends into the limiting groove 104, and the locking member 41 abuts and cooperates with the inner wall of the limiting groove 104 to restrict the movement of the inner liner 1. When the locking member 41 is in the released position, the locking member 41 moves away from the limiting groove 104, allowing the inner liner 1 to leave the cup holder 2. Through the above structure, when the locking member 41 is in the locked position, the locking member 41 abuts and cooperates with the inner wall of the limiting groove 104 on the first outer wall 12, restricting the inner liner 1 when the user unscrews the cup lid 3, allowing the cup lid 3 to be simultaneously separated from the cup holder 2 and the inner liner 1. The locking member 41 also abuts against the top wall of the limiting groove 104, thereby providing a fixed support for the inner liner 1 and preventing it from falling out when the user drinks water.

[0044] like Figure 5As shown, in addition to the features of the above embodiment, this embodiment is further defined as follows: a positioning groove 205 is provided on the outer wall of the cup holder 2, and a through hole 206 is provided on the bottom wall of the positioning groove 205 to communicate with the limiting groove 104. The button 42 and the locking member 41 are movably arranged in the positioning groove 205, and the end of the locking member 41 away from the button 42 can extend into the limiting groove 104 through the through hole 206. The locking assembly 4 also includes an elastic member 43, which is arranged in the positioning groove 205. The two sides of the elastic member 43 respectively abut against the button 42 and the bottom wall of the positioning groove 205. When the locking member 41 moves from the release position to the locking position, the elastic member 43 is elastically deformed to provide an elastic restoring force for the locking member 41 to return to the release position. By adopting the above structure, the button 42 and the locking member 41 are limitedly set in the positioning groove 205, which can be conveniently and quickly positioned and installed, and the elastic member 43 is provided to connect the button 42 and the bottom wall of the positioning groove 205. When the user finishes drinking, the button 42 can be released. Under the action of the elastic restoring force of the elastic member 43, the button 42 drives the locking member 41 to automatically return from the locked position to the released position, making the release operation of the inner liner 1 more convenient and quick.

[0045] like Figure 5 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the elastic member 43 is sleeved on the outside of the locking member 41. This facilitates the positioning and assembly of the elastic member 43, ensuring that the elastic member 43 is arranged vertically, thereby preventing it from tilting, reducing the working height, or breaking after long-term use.

[0046] like Figure 5As shown, in addition to the features of the above embodiment, this embodiment further defines that: the locking assembly 4 also includes a self-locking switch 44, the self-locking switch 44 includes a push-type lock buckle 441 and a lock tongue 442, one of the push-type lock buckle 441 and the lock tongue 442 is set on the button 42, and the other of the push-type lock buckle 441 and the lock tongue 442 is set on the bottom wall of the positioning groove 205, the lock tongue 442 can be connected with the push-type lock buckle 441 to lock the button 42 so that the locking member 41 is in the locked position, and the self-locking switch 44 is configured to lock or release the button 42 under the action of pressing. The push-type lock buckle 441 is constructed to lock the lock tongue 442 when the button 42 is pressed to drive the locking member 41 to move from the release position to the locked position, and release the lock tongue 442 when the button 42 is pressed again, thereby eliminating the need for the user to keep pressing the button 42 when locking the inner liner 1. Specifically, when the user needs to lock the inner liner 1, he presses the button 42 to drive the locking member 41 to move from the release position to the locking position. At the same time, the locking tongue 442 is extended into the push-type lock buckle 441 under the drive of the button 42 and is fastened with it, so that the self-locking switch 44 locks the button 42 so that the locking member 41 automatically remains in the locked position. At this time, the user can remove the hand pressing the button 42. When the user needs to take out the inner liner 1, he presses the button 42 again to separate the push-type lock buckle 441 from the locking tongue 442. As a result, the restriction of the push-type lock buckle 441 on the button 42 disappears, and the button 42 can drive the locking member 41 to reset under the elastic action of the elastic member 43, thereby releasing the inner liner 1.

[0047] In addition to the features of the above embodiment, this embodiment further specifies that the phase change material 13 is water. Water is a natural, environmentally friendly phase change material 13, highly safe, and environmentally friendly. Water has a high specific heat capacity, absorbs heat quickly, and heats up slowly, allowing it to absorb a large amount of heat in a short period of time. To improve cooling efficiency, the user can remove the inner liner 1 from the cup holder 2 and place it in a refrigerator to freeze, allowing the water to condense into ice and achieve cold storage.

[0048] like Figure 3 As shown, in addition to the features of the above embodiment, this embodiment further defines that the top of the inner liner 1 extends outside the cup holder 2 and is provided with a first opening 102. This structure eliminates obstruction by the cup holder 2, making drinking or pouring more convenient for the user and reducing the risk of liquid flowing from the first opening 102 into the second chamber 202.

[0049] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A thermos cup, characterized in that: include: An inner liner (1), the inner liner (1) comprising a first inner wall (11) and a first outer wall (12), a liquid storage cavity (101) and a first opening (102) communicating with the liquid storage cavity (101) being provided in the first inner wall (11), a first chamber (103) being provided between the first inner wall (11) and the first outer wall (12), and a phase change material (13) for cooling being provided in the first chamber (103); A cup holder (2), the cup holder (2) comprising a second inner wall (21) and a second outer wall (22), the second inner wall (21) being arranged around the inner container (1), and the second inner wall (21) and the second outer wall (22) enclosing each other to form an insulating chamber (201); A cup cover (3), wherein the cup cover (3) is detachably arranged on the inner liner (1) and / or the cup base (2), and the cup cover (3) is used to open or close the first opening (102).

2. The thermos cup according to claim 1, characterized in that: A second chamber (202) is provided between the second inner wall (21) and the first outer wall (12).

3. The thermos cup according to claim 2, characterized in that: The cup cover (3) comprises a cover body (31) and a connecting ring (32), wherein the cover body (31) is located above the inner liner (1), and the connecting ring (32) is arranged on a side of the cover body (31) close to the inner liner (1), and a second opening (203) is provided at the top of the second chamber (202), and at least a portion of the connecting ring (32) extends into the second chamber (202) through the second opening (203), and both sides of the connecting ring (32) are respectively connected to the first outer wall (12) and the second inner wall (21).

4. The thermos cup according to claim 3, characterized in that: The inner container (1) is detachably arranged in the cup holder (2); and / or The top of the first outer wall (12) is provided with a first external thread (121), the inner wall of the connecting ring (32) is provided with a first internal thread (321) adapted to the first external thread (121), and the connecting ring (32) is connected to the first outer wall (12) through the first internal thread (321) and the first external thread (121); and / or A second internal thread (211) is provided at the top of the second inner wall (21), and a second external thread (322) adapted to the second internal thread (211) is provided on the outer wall of the connecting ring (32), and the connecting ring (32) is connected to the second inner wall (21) through the second external thread (322) and the second internal thread (211).

5. The thermos cup according to claim 3, characterized in that: The cup cover (3) further comprises a decorative ring (33), the decorative ring (33) being arranged on a side of the cover body (31) close to the inner container (1), the decorative ring (33) being located outside the connecting ring (32), the top wall of the cup holder (2) being formed with an annular groove (204), the decorative ring (33) being adapted to be installed in the annular groove (204); and / or It also includes a sealing ring, which is arranged on the cover body (31) and / or the connecting ring (32), and the cup cover (3) is sealed and connected to the inner container (1) through the sealing ring.

6. The thermos cup according to claim 1, characterized in that: The invention also includes a locking assembly (4), wherein the locking assembly (4) includes a locking member (41) and a button (42). The locking member (41) is movably arranged on the cup holder (2). The locking member (41) can be extended and retracted relative to the inner liner (1) and has at least a locking position and a release position. When the locking member (41) is in the locking position, it abuts against the inner liner (1) to restrict the movement of the inner liner (1). When the locking member (41) is in the release position, it separates from the inner liner (1) to allow the inner liner (1) to leave the cup holder (2). The button (42) is movably arranged on the cup holder (2). The button (42) is transmission-connected to the locking member (41) so that the locking member (41) switches between the locking position and the release position.

7. The thermos cup according to claim 6, characterized in that: The first outer wall (12) is recessed inward to form a limiting groove (104); when the locking member (41) is located at the locking position, the end of the locking member (41) away from the button (42) extends into the limiting groove (104); the locking member (41) abuts against the inner wall of the limiting groove (104) to limit the movement of the inner liner (1); when the locking member (41) is located at the releasing position, the locking member (41) leaves the limiting groove (104) to allow the inner liner (1) to leave the cup holder (2).

8. The thermos cup according to claim 7, characterized in that: The outer wall of the cup holder (2) is provided with a positioning groove (205), and the bottom wall of the positioning groove (205) is provided with a through hole (206) connected to the limiting groove (104). The button (42) and the locking member (41) are movably arranged in the positioning groove (205), and the end of the locking member (41) away from the button (42) can extend into the limiting groove (104) through the through hole (206). The locking assembly (4) also includes an elastic member (43), which is arranged in the positioning groove (205). The two sides of the elastic member (43) are respectively against the button (42) and the bottom wall of the positioning groove (205). When the locking member (41) moves from the release position to the lock position, the elastic member (43) undergoes elastic deformation to provide an elastic restoring force for the locking member (41) to return to the release position.

9. The thermos cup according to claim 8, characterized in that: The elastic member (43) is sleeved on the outer side of the locking member (41); and / or The locking assembly (4) further includes a self-locking switch (44), the self-locking switch (44) including a push-type lock catch (441) and a lock tongue (442), one of the push-type lock catch (441) and the lock tongue (442) being arranged on the button (42), and the other of the push-type lock catch (441) and the lock tongue (442) being arranged on the bottom wall of the positioning groove (205), the lock tongue (442) being able to cooperate with the push-type lock catch (441) to lock the button (42) so that the locking member (41) is in the locked position, and the self-locking switch (44) is configured to lock or release the button (42) under the action of pressing.

10. The thermos cup according to any one of claims 1 to 9, characterized in that: The phase change material (13) is water; and / or The top of the inner container (1) extends out of the cup holder (2) and is provided with the first opening (102).

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