Cover body

Abstract

The utility model relates to the technical field of liquid heating, in particular to a cover body which comprises a body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are located at the two ends of the body respectively, the cover body is provided with an installation cavity and comprises a liquid heating assembly, and at least part of the liquid heating assembly is located in the installation cavity. The liquid heating assembly is provided with a heating flow channel, one of the first connecting part and the second connecting part is provided with a water inlet channel, the other one of the first connecting part and the second connecting part is provided with a water outlet channel, and the heating flow channel is communicated with the water inlet channel and the water outlet channel. A water source is introduced through the water inlet channel, heated through the heating flow channel and discharged through the water outlet channel, the cover body is connected or placed on other equipment or containers during use, and use is simple and flexible.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid heating technical field especially relates to a lid. BACKGROUND

[0002] Household appliance field involves liquid heating, and the liquid heating main body in the related art is generally integrated with the whole device, and is not flexible to use. UTILITY MODEL CONTENTS

[0003] The utility model discloses a lid to solve the problem pointed out in the background art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A lid, the lid includes a body, first connecting part and second connecting part respectively located at both ends of the body, the lid has a mounting cavity, the lid includes a liquid heating assembly, at least part of the liquid heating assembly is located in the mounting cavity, the liquid heating assembly has a heating flow channel, one of the first connecting part and the second connecting part has a water inlet channel, and the other has a water outlet channel, and the heating flow channel is communicated with the water inlet channel and the water outlet channel.

[0006] The liquid heating assembly includes a bracket and an electric heating tube assembly, the bracket is mounted with the body, and the electric heating tube assembly is mounted with the bracket.

[0007] The bracket includes a fixedly assembled upper bracket and a lower bracket, the upper bracket is fixedly assembled with the body, and / or the lower bracket is fixedly assembled with the body.

[0008] The electric heating tube assembly includes at least two electric heating tubes, and the at least two electric heating tubes are connected in series, connected in parallel or connected in a mixed mode through a third communication member, and the electric heating tube and the third communication member are limitingly assembled between the upper bracket and the lower bracket.

[0009] The upper bracket has a first limiting space, the lower bracket has a second limiting space, the electric heating tube end is assembled with the third communication member, and the third communication member is limitingly assembled between the first limiting space and the second limiting space.

[0010] And / or, the upper bracket has a second mounting portion, the lower bracket has a third mounting portion, the second mounting portion and the third mounting portion are fixed through screws, or fixed through buckles, or fixed through interference fit, or fixed through welding.

[0011] And / or, at least one of the upper support and the lower support has a first mounting portion, the body has a fourth mounting portion, the first mounting portion and the fourth mounting portion are fixed by screws, or are fixed by buckles, or are fixed by interference fit, or are fixed by welding.

[0012] And / or, the liquid heating assembly comprises a control panel, the electric heating tube assembly is electrically connected with the control panel, at least one of the upper support and the lower support has a fifth mounting portion, and the control panel and the fifth mounting portion are fixed by screws or buckles.

[0013] The body comprises an upper shell and a lower shell, the liquid heating assembly is located between the upper shell and the lower shell, the upper shell has a second mounting seat, the second mounting seat comprises a first connecting portion, the second mounting seat is provided with a drain hole at the bottom of the first connecting portion, the drain hole is in communication with the heating flow channel, the first connecting portion comprises a joint, the water inlet channel is at least partially located in the joint, and the joint drain part can be in sealed communication with the first connecting portion.

[0014] Or, the first connecting portion comprises a first connecting portion, the first connecting portion is integrated with the body, the first connecting portion has a mounting channel, and the inner wall corresponding to the mounting channel has threads or clamping ribs or clamping grooves or a smooth inner wall.

[0015] The joint comprises a main body portion, one side of the main body portion has a first mounting seat, the other side of the main body portion has a second connecting portion, the second connecting portion is provided with a one-way valve, the main body portion is provided with an air inlet part capable of communicating with the outside, and the second connecting portion can be in sealed communication with the first connecting portion.

[0016] The support is fixed with or integrally formed with a connecting piece, the connecting piece has a third connecting portion, the first connecting portion is fixed with or integrally formed with a fourth connecting portion at the bottom, the fourth connecting portion can be in sealed communication with the third connecting portion, the connecting piece has an outlet part in communication with the third connecting portion, and the outlet part is in communication with the heating flow channel.

[0017] The liquid heating assembly comprises an electric heating tube assembly, the electric heating tube assembly comprises at least one electric heating tube, and the included angle a between the electric heating tube and the horizontal plane is in the range of 0°≤a<45°.

[0018] The liquid heating assembly comprises a water cooling part and a controllable silicon electrically connected with a control panel, the controllable silicon is used for adjusting the power of the electric heating tube assembly, the water cooling part comprises a heat conduction pipe body and a heat conduction sheet, the controllable silicon is close to or abuts against the heat conduction sheet, the heat conduction pipe body is fixedly assembled or integrally formed with the heat conduction sheet, the heat conduction sheet is fixed with the support, the first connecting part comprises a joint, the water inlet channel is at least partially located in the joint, one end of the heat conduction pipe body is communicated with a water outlet of the joint, and one end of the heat conduction pipe body is communicated with a water inlet end of the electric heating tube assembly.

[0019] The body has a drinking spout;

[0020] The body is provided with a pressure relief part;

[0021] The first connecting part is a joint, and the joint is fixedly connected with the body in a plug-in, threaded, buckling or interference fit manner or is integrally formed with the body;

[0022] The liquid heating assembly comprises a liquid pump, the liquid pump has a pump inlet and a pump outlet, the pump inlet is communicated with the water inlet channel, and the pump outlet is communicated with the heating flow channel;

[0023] The liquid heating assembly comprises a power connection part capable of being connected with a power source.

[0024] The body is provided with a blocking cover capable of opening or closing the drinking spout;

[0025] The liquid heating assembly comprises an electric heating tube assembly and a control panel, the electric heating tube assembly comprises an electric heating tube, the electric heating tube comprises a tube base body, a nano electric heating film attached to a surface of the tube base body, an electrode layer and a metal electrode installed on the tube base body and in contact with the electrode layer, the metal electrode is electrically connected with the control panel, the electric heating tube assembly is provided with a first communicating part at an inlet end and a second communicating part at an outlet end, the first communicating part is provided with a cold liquid inlet communicated with the pump outlet, the second connecting part is provided with a water outlet, the second communicating part is provided with a hot liquid outlet communicated with the water outlet, the first communicating part and / or the second communicating part is provided with a temperature sensor, the temperature sensor is electrically connected with the control panel, and the control panel is provided with a control display module.

[0026] The cover body has the beneficial effects that: the device introduces water source through the water inlet channel, heats the water source through the heating flow channel, and discharges the water source through the water outlet channel, the cover body can be connected or placed on other equipment or containers during use, and the cover body is simple and flexible to use. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a use state structure schematic view of the utility model;

[0028] Figure 2It is the three-dimensional structure schematic diagram of the utility model;

[0029] Figure 3 It is the half cut three-dimensional structure schematic diagram of the utility model;

[0030] Figure 4 It is the joint structure schematic diagram of the utility model Figure 1 ;

[0031] Figure 5 It is the joint structure schematic diagram of the utility model Figure 2 ;

[0032] Figure 6 It is the body structure schematic diagram of the utility model Figure 1 ;

[0033] Figure 7 It is the body structure schematic diagram of the utility model Figure 1 ;

[0034] Figure 8 It is the body and internal component exploded structure schematic diagram of the utility model;

[0035] Figure 9 It is the liquid heating assembly exploded structure schematic diagram of the utility model;

[0036] Figure 10 It is the electric heating pipe installation angle structure schematic diagram of the utility model;

[0037] Figure 11 It is the liquid heating assembly assembly structure schematic diagram of the utility model;

[0038] Figure 12 It is the liquid heating assembly local structure schematic diagram of the utility model Figure 1 ;

[0039] Figure 13 It is the liquid heating assembly and lower shell position structure schematic diagram of the utility model;

[0040] Figure 14 It is the upper support structure schematic diagram of the utility model;

[0041] Figure 15 It is the lower support structure schematic diagram of the utility model;

[0042] Figure 16 It is the liquid heating assembly local structure schematic diagram of the utility model Figure 2 ;

[0043] Figure 17 It is the lower shell structure schematic diagram of the utility model;

[0044] Figure 18The lower support and the body assembly structure schematic view of the utility model;

[0045] Figure 19 The upper support and the lower support assembly structure schematic view of the utility model;

[0046] Figure 20 The lower shell fourth mounting portion structure schematic view of the utility model;

[0047] Figure 21 The liquid heating assembly pipeline connection structure schematic view of the utility model.

[0048] In the drawing: cup body 1, body 2, plugging cover 3, joint 4, electricity connection part 5, second butt joint part 6, main body part 7, one-way valve 71, first mounting seat 8, air inlet part 9, pressure relief part 10, second mounting seat 11, first butt joint part 12, drain hole 13, upper shell 14, drinking nozzle 15, lower shell 16, water outlet 17, liquid heating assembly 18, control panel 19, connecting piece 20, third butt joint part 21, outlet part 22, liquid pump 23, pump inlet 24, pump outlet 25, water cooling piece 26, heat conduction pipe body 27, heat conduction sheet 28, cold liquid inlet 29, electric heating tube assembly 30, hot liquid outlet 31, thyristor 32, upper support 33, third communication piece 34, lower support 35, electric heating tube 36, support 37, heating flow channel 38, cavity 39, first communication piece 40, second communication piece 41, fourth butt joint part 42, first mounting portion 50, second mounting portion 51, third mounting portion 52, first limiting space 53, second limiting space 54, fourth mounting portion 55, fifth mounting portion 56, first connecting portion 60, second connecting portion 61, mounting cavity 62. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0050] Referring to Figures 1-21 A cover body, the cover body includes a body 2, a first connecting portion 60 and a second connecting portion 61 located at both ends of the body 2 respectively, the cover body has a mounting cavity 62, the cover body includes a liquid heating assembly 18, at least part of the liquid heating assembly 18 is located in the mounting cavity 62, the liquid heating assembly 18 has a heating flow channel 38, one of the first connecting portion 60 and the second connecting portion 61 has a water inlet channel, and the other has a water outlet channel, and the heating flow channel 38 is communicated with the water inlet channel and the water outlet channel.

[0051] The device introduces water source through the water inlet channel, heats the water source through the heating flow channel 38, and discharges the water source through the water outlet channel, so that the cover body can be connected or placed on other equipment or containers during use, and the use is simple and flexible.

[0052] The device can be applied to products that require heated water, such as water cups, juicers, wall breakers, and portable water dispensers.

[0053] As an implementation method, Figure 4 、 Figure 5 、 Figure 8 As shown, the first connecting part 60 can be a connector, such as a water bottle connector, and the second connecting part 61 can be a thread, a snap, etc., which is connected to a cup body through the second connecting part 61, and the external water source is connected to the connector 4, and the water source is connected to the liquid heating component 18 through the connector 4. The water source is heated by the liquid heating component 18, and the heated hot water flows directly into the cavity 39 of the cup body 1, so that people can directly obtain hot water, which is simple and convenient to use.

[0054] Of course, as another embodiment, Figure 6 As shown, the first connecting portion 60 can also be directly inserted into a water bottle or connected to a water source such as bottled water by using an external water pipe. In this case, the external water needs to be sent into the liquid heating component 18 through a water pump or a height difference or a pressure difference. Specifically, the first connecting portion is the top portion of the cover body, and the top portion has a first docking portion 12 for connecting to an external water bottle or water pipe. The water inlet channel is located at the top portion. Similarly, when the top wall thickness of the top portion of the cover body is relatively small, the water inlet channel is an opening, and an external water source, such as a water bottle, can be plugged into the opening, or connected to the opening through a water pipe.

[0055] In one embodiment, the second connecting portion can be a threaded bottom portion that can be connected to a container such as a cup through a threaded connection. The bottom wall of the bottom portion defines a water outlet channel, and the heating flow channel can be directly plugged into the water outlet channel or connected through a pipe. When the bottom wall of the bottom portion is relatively thin, the water outlet channel is an opening. Of course, the second connecting portion can also be a bottom portion having a clip-on structure that clips and secures to a container such as a cup.

[0056] refer to Figure 1 As an implementation method, the connector 4 adopts a water bottle connector, and a common mineral water bottle is directly installed upside down on the connector 4. The water flows through the heating flow channel 38 under the action of gravity and then enters the cavity 39.

[0057] refer to Figure 8 、 Figure 9 、 Figure 11 The liquid heating component 18 includes a bracket 37 and an electric heating pipe assembly 30. The bracket 37 is installed with the body 2, and the electric heating pipe assembly 30 is installed with the bracket 37. The electric heating pipe assembly 30 is fixed in the body 2 by the bracket 37 to prevent shaking.

[0058] As an implementation form, the bracket 37 comprises the fixedly assembled upper bracket 33 and the fixedly assembled lower bracket 35, the upper bracket 33 is fixedly assembled with the body 2, and / or the lower bracket 35 is fixedly assembled with the body 2; the electric heating tube assembly 30 comprises at least two electric heating tubes 36, the at least two electric heating tubes 36 are connected in series, connected in parallel or connected in a mixed manner through the third communication member 34, and the electric heating tube 36 and the third communication member 34 are limitingly assembled between the upper bracket 33 and the lower bracket 35. The mixed connection manner refers to a combination of series connection and parallel connection, for example, parallel connection first and then series connection, series connection first and then parallel connection, and the like. The device is provided with multiple electric heating tubes, so that the heating efficiency and the heating speed are improved, and the liquid flowing through the heating flow channel can reach the required temperature more quickly.

[0059] With reference to Figure 19 The upper bracket 33 has a first limiting space 53, the lower bracket 35 has a second limiting space 54, the electric heating tube 36 is assembled with the third communication member 34, and the third communication member 34 is limitingly assembled between the first limiting space 53 and the second limiting space 54; the electric heating tube 36 is assembled with the third communication member 34, the third communication member 34 is limitingly fixed through the first limiting space 53 and the second limiting space 54, the electric heating tube 36 is fixed, and the heat of the electric heating tube 36 is prevented from being directly conducted to the lower bracket 35 and the upper bracket 33, so that other components on the bracket are prevented from being damaged by the heat.

[0060] With reference to Figure 19 The upper bracket 33 has a second mounting portion 51, the lower bracket 35 has a third mounting portion 52, the second mounting portion 51 and the third mounting portion 52 are fixed through screws, or are fixed through buckles, or are fixed through interference fit, or are fixed through welding; as an implementation form, the second mounting portion 51 and the third mounting portion 52 are locked together through screws, other components are prevented from being introduced, the number of components is reduced, and assembly convenience is improved.

[0061] With reference to Figure 19 , Figure 20 At least one of the upper bracket 33 and the lower bracket 35 has a first mounting portion 50, the body 2 has a fourth mounting portion 55, the first mounting portion 50 and the fourth mounting portion 55 are fixed through screws, or are fixed through buckles, or are fixed through interference fit, or are fixed through welding, other components are prevented from being introduced, the number of components is reduced, and assembly convenience is improved;

[0062] With reference to Figure 19 , Figure 11The liquid heating assembly 18 comprises a control panel 19, the electric heating tube assembly 30 is electrically connected with the control panel 19, at least one of the upper support 33 and the lower support 35 has a fifth mounting portion 56, the control panel 19 is fixed with the fifth mounting portion 56 through screws or buckles, the control panel 19 and the fifth mounting portion 56 are assembled together, the whole device is more integrated, the assembly difficulty is reduced, further, the control panel 19 is arranged away from the cup body, the control panel is prevented from being damaged by high-temperature liquid in the cup body, the control panel is prevented from contacting hot water and steam, heat dissipation is facilitated, and the service life of the electric control components is prolonged.

[0063] With reference to Figure 8 The body 2 comprises an upper shell 14 and a lower shell 16, and the liquid heating assembly 18 is located between the upper shell 14 and the lower shell 16. The upper shell 14 has a second mounting seat 11, the second mounting seat 11 comprises a first connecting portion 12, the second mounting seat 11 is provided with a drain hole 13 at the bottom of the first connecting portion 12, the drain hole 13 is in communication with the heating flow channel 38, the first connecting portion comprises a connector, the water inlet channel is at least partially located in the connector 4, and the water outlet portion of the connector 4 can be in sealed communication with the first connecting portion 12. The second mounting seat 11 is arranged on the upper shell 14, and the connector 4 is mounted on the second mounting seat 11, so that the convenience of installation is improved. As an embodiment, the first connecting portion 12 is provided as a groove with the drain hole 13, and the water outlet portion of the connector 4 is a protruding structure. The water outlet portion of the connector 4 is inserted into the groove to complete the connection.

[0064] Or with reference to Figure 6 The first connecting portion comprises the first connecting portion 12, the first connecting portion 12 is integrated with the body 2, the first connecting portion 12 has a mounting channel, and the inner wall corresponding to the mounting channel has threads or clamping ribs or clamping grooves or a smooth inner wall.

[0065] With reference to Figure 4 , Figure 5 The connector 4 comprises a main body portion 7, one side of the main body portion 7 has a first mounting seat 8. As an embodiment, the first mounting seat 8 can adopt a threaded cap structure capable of being connected with a mineral water bottle. As an embodiment, the first mounting seat 8 can adopt a cylindrical structure capable of being inserted into a water bottle, for example, can be provided as a stepped cylinder to cope with mineral water bottles of different diameters. The other side of the main body portion 7 has a second connecting portion 6, the second connecting portion 6 is provided with a one-way valve 71, the main body portion 7 is provided with an air inlet portion 9 capable of being in communication with the outside, and the second connecting portion 6 can be in sealed communication with the first connecting portion 12. As an embodiment, the second connecting portion 6 is a cylindrical structure, and the first connecting portion 12 is a groove structure. The cylinder is inserted into the groove to complete the connection.

[0066] With reference to Figure 3 , Figure 9The connecting piece 20 is fixed on or integrated with the support 37, the connecting piece 20 has a third connecting part 21, the first connecting part 12 has a fourth connecting part 42 fixed on or integrated with the bottom, the fourth connecting part 42 can be in sealed communication with the third connecting part 21, the connecting piece 20 has an outlet part 22 in communication with the third connecting part 21, the outlet part 22 is in communication with the heating flow channel 38, the connecting piece 20 is fixed on the support, when the upper cover is assembled, the fourth connecting part 42 can be in sealed communication with the third connecting part 21, the assembling is completed, for example, the fourth connecting part 42 is a cylindrical structure, the third connecting part 21 is a groove structure, the cylinder is inserted into the groove to complete the connection.

[0067] With reference to Figure 10 The liquid heating assembly 18 comprises an electric heating tube assembly 30, the electric heating tube assembly 30 at least comprises an electric heating tube 36, the electric heating tube 36 is arranged close to the horizontal state, the included angle a of the electric heating tube 36 with the horizontal plane is in the range of 0°≤a<45°, the body can be more flat, which is beneficial to reduce the size of the whole body, make the structure more compact, and improve the portability, for example, the horizontal installation can be adopted.

[0068] With reference to Figure 9 、 Figure 16 The liquid heating assembly 18 comprises a water cooling piece 26 and a silicon controlled rectifier 32 electrically connected with the control panel 19, the silicon controlled rectifier 32 is used for adjusting the power of the electric heating tube assembly 30, the water cooling piece 26 comprises a heat pipe body 27 and a heat sink 28, the silicon controlled rectifier 32 is close to or abuts against the heat sink 28, the heat pipe body 27 is fixedly assembled or integrated with the heat sink 28, the heat sink 28 is fixed with the support 37, the first connecting part comprises a joint, the water inlet channel is at least partially located in the joint 4, one end of the heat pipe body 27 is in communication with the joint 4 and a water outlet part, and the other end of the heat pipe body 27 is in communication with a water inlet end of the electric heating tube assembly 30, the heat sink 28 can absorb the heat generated by the liquid heating assembly 18 and the heat generated by the silicon controlled rectifier 32, the water just entering is unheated water, the temperature of the low-temperature water is relatively low, when the low-temperature water passes through the heat pipe body 27, the low-temperature water can be heat-exchanged with the heat sink 28 to achieve the effect of temperature reduction, and the temperature of the heat-exchanged low-temperature water is increased, which can also achieve the effect of heat recycling.

[0069] The body 2 is provided with a drinking nozzle 15 in communication with the cavity 39 of the cup body 1, so that the user can directly drink water without opening the body, further, the body 2 is provided with a plugging cover 3 capable of opening or closing the drinking nozzle 15;

[0070] And / or the body 2 is provided with a pressure relief part 10 to avoid excessive pressure in the cup body 1;

[0071] And / or the joint 4 is a water bottle mounting seat, and a mineral water bottle is directly installed in an inverted manner on the joint;

[0072] And / or the first connecting part 60 is a joint 4, which is inserted, screwed, buckled, interference fit fixed or integrally formed with the body 2

[0073] And / or the liquid heating assembly 18 comprises a liquid pump 23, which has a pump inlet 24 and a pump outlet 25, the pump inlet 24 is communicated with the joint 4, and the pump outlet 25 is communicated with the heating flow channel 38, the liquid is pumped into the heating flow channel 38 of the liquid heating assembly 18 through the liquid pump 23, so that it can not only be used for inverted water bottles, but also can be connected with water pipes to draw external water sources;

[0074] And / or the liquid heating assembly 18 comprises an electricity connecting part 5 capable of connecting power supply, which is used for electrifying the liquid heating assembly 18.

[0075] As an embodiment, the liquid heating assembly 18 comprises an electric heating tube assembly 30, a bracket 37 and a control panel 19, the electric heating tube assembly 30 at least comprises two electric heating tubes 36, the included angle a of the electric heating tube 36 with the horizontal plane ranges from 0° to 45°, the electric heating tube 36 comprises a tube base body, a nano electric heating film attached to the surface of the tube base body, an electrode layer, and a metal electrode installed on the tube base body and in contact with the electrode layer, the metal electrode is electrically connected with the control panel 19, the bracket 37 comprises a fixedly assembled upper bracket 33 and a lower bracket 35, the upper bracket 33 is fixedly assembled with the body 2, and / or the lower bracket 35 is fixedly assembled with the body 2, a plurality of electric heating tubes 36 are connected in series, in parallel or in mixed connection through a third connecting part 34 to form an electric heating tube group, the first connecting part 40 is installed at the inlet end of the electric heating tube group, and the second connecting part 41 is installed at the outlet end of the electric heating tube group, the first connecting part 40 has a cold liquid inlet 29 communicated with the pump outlet 25, the second connecting part has a water outlet 17 communicated with the container cavity 39, the water outlet is at least part of the water outlet channel, the second connecting part 41 has a hot liquid outlet 31 communicated with the water outlet 17, the first connecting part 40 and / or the second connecting part 41 is installed with a temperature sensor 43, the temperature sensor is electrically connected with the control panel 19, the electric heating tube 36, the third connecting part 34, the first connecting part 40, the second connecting part 41 and the liquid pump 23 are limitingly assembled between the upper bracket 33 and the lower bracket 35, the control panel 19 is assembled on the side of the upper bracket 33 away from the cup body 1, and the control panel 19 is provided with a control display module.

[0076] Reference Figure 9 , Figure 21The various electric appliance elements are fixed together by the support, the structure is compact, assembly is convenient, when using, the water bottle is installed on the joint 4 in an inverted state, the required water temperature is set through the control display module, the liquid pump 23 and the electric heating tube 36 are started, the liquid in the water bottle is extracted through the liquid pump 23, the liquid sequentially passes through the joint 4, the second mounting base 11, the connecting piece 20, the pump inlet 24, the pump outlet 25, the heat conducting pipe body 27 and the electric heating tube 36, the heated liquid finally flows into the cavity 39 in the cup body 1 through the water outlet 17, the body can be opened to drink water, the water can also be drunk through the water drinking nozzle 15, the whole cup structure is compact, compact and strong in integrity, convenient to carry and use.

[0077] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can obtain the technical scheme, concept and design according to the technical scheme and concept of the present application within the technical range disclosed by the present application, through equivalent replacement or change, which should be covered in the protection scope of the present application.

Claims

1. A cover, characterized in that The cover includes a body (2), a first connecting part (60) and a second connecting part (61) respectively located at two ends of the body (2), the cover has a mounting cavity (62), the cover includes a liquid heating assembly (18), at least part of the liquid heating assembly (18) is located in the mounting cavity (62), the liquid heating assembly (18) has a heating flow channel (38), one of the first connecting part (60) and the second connecting part (61) has a water inlet channel, and the other has a water outlet channel, and the heating flow channel (38) communicates with the water inlet channel and the water outlet channel.

2. A cap as claimed in claim 1, wherein The liquid heating assembly (18) includes a bracket (37) and an electric heating tube assembly (30), the bracket (37) is mounted with the body (2), and the electric heating tube assembly (30) is mounted with the bracket (37).

3. A cap as claimed in claim 2, wherein The bracket (37) includes a fixedly assembled upper bracket (33) and a lower bracket (35), the upper bracket (33) is fixedly assembled with the body (2), and / or the lower bracket (35) is fixedly assembled with the body (2). The electric heating tube assembly (30) includes at least two electric heating tubes (36), the at least two electric heating tubes (36) are connected in series, connected in parallel or connected in series-parallel through a third communication member (34), and the electric heating tube (36) and the third communication member (34) are limitingly assembled between the upper bracket (33) and the lower bracket (35).

4. A cap as claimed in claim 3, wherein The upper bracket (33) has a first limiting space (53), the lower bracket (35) has a second limiting space (54), the electric heating tube (36) is assembled with the third communication member (34), and the third communication member (34) is limitingly assembled between the first limiting space (53) and the second limiting space (54). And / or, the upper bracket (33) has a second mounting part (51), the lower bracket (35) has a third mounting part (52), and the second mounting part (51) and the third mounting part (52) are fixed by screws, or fixed by buckles, or fixed by interference fit, or fixed by welding. And / or, at least one of the upper bracket (33) and the lower bracket (35) has a first mounting part (50), the body (2) has a fourth mounting part (55), and the first mounting part (50) and the fourth mounting part (55) are fixed by screws, or fixed by buckles, or fixed by interference fit, or fixed by welding. And / or, the liquid heating assembly (18) includes a control panel (19), the electric heating tube assembly (30) is electrically connected with the control panel (19), at least one of the upper bracket (33) and the lower bracket (35) has a fifth mounting part (56), and the control panel (19) and the fifth mounting part (56) are fixed by screws or buckles.

5. A cap according to any one of claims 2 to 4, wherein The body (2) comprises an upper shell (14) and a lower shell (16), the liquid heating assembly (18) is located between the upper shell (14) and the lower shell (16), the upper shell (14) has a second mounting seat (11), the second mounting seat (11) comprises a first connecting part (12), the second mounting seat (11) is provided with a drain hole (13) at the bottom of the first connecting part (12), the drain hole (13) is communicated with the heating flow channel (38), the first connecting part (60) comprises a connector (4), the water inlet channel is at least partially located in the connector (4), and the drainage part of the connector (4) can be in sealed communication with the first connecting part (12). Alternatively, the first connecting part comprises a first connecting part (12), the first connecting part (12) is integrated with the body (2), the first connecting part (12) has a mounting channel, and the inner wall corresponding to the mounting channel has threads or clamping ribs or clamping grooves or is a smooth inner wall.

6. A cap as defined in claim 5, wherein The connector (4) comprises a main body part (7), one side of the main body part (7) has a first mounting seat (8), the other side of the main body part (7) has a second connecting part (6), the second connecting part (6) is provided with a one-way valve (71) therein, the main body part (7) is provided with an air inlet part (9) capable of communicating with the outside, and the second connecting part (6) can be in sealed communication with the first connecting part (12).

7. A cap as defined in claim 5, wherein The bracket (37) is fixed or integrally formed with a connecting piece (20), the connecting piece (20) has a third connecting part (21), the bottom of the first connecting part (12) is fixed or integrally formed with a fourth connecting part (42), the fourth connecting part (42) can be in sealed communication with the third connecting part (21), the connecting piece (20) has an outlet part (22) communicated with the third connecting part (21), and the outlet part (22) is communicated with the heating flow channel (38).

8. The cap of claim 1, wherein The liquid heating assembly (18) comprises an electric heating tube assembly (30), the electric heating tube assembly (30) comprises at least one electric heating tube (36), and the included angle a between the electric heating tube (36) and a horizontal plane is in the range of 0°≤a<45°.

9. A cap according to any one of claims 2-4, 6-7, wherein The liquid heating assembly (18) comprises a water cooling piece (26) and a silicon controlled rectifier (32) electrically connected with a control panel (19), the silicon controlled rectifier (32) is used for adjusting the power of the electric heating tube assembly (30), the water cooling piece (26) comprises a heat conduction pipe body (27) and a heat conduction fin (28), the silicon controlled rectifier (32) is close to or abuts against the heat conduction fin (28), the heat conduction pipe body (27) is fixedly assembled or integrally formed with the heat conduction fin (28), the heat conduction fin (28) is fixed with the bracket (37), the first connecting part (60) comprises a connector (4), the water inlet channel is at least partially located in the connector (4), one end of the heat conduction pipe body (27) is communicated with the drainage part of the connector (4), and the other end of the heat conduction pipe body (27) is communicated with the water inlet end of the electric heating tube assembly (30).

10. A cap according to any one of claims 1-4, 6-8, wherein The body (2) has a drinking nozzle (15); And / or the body (2) is provided with a pressure relief part (10). And / or the first connecting part (60) is a joint (4) which is fixedly connected with the body (2) by means of insertion, screwing, buckling, interference fit or integral molding; And / or the liquid heating assembly (18) comprises a liquid pump (23) having a pump inlet (24) and a pump outlet (25), wherein the pump inlet (24) is communicated with the water inlet channel, and the pump outlet (25) is communicated with the heating flow channel (38); And / or the liquid heating assembly (18) comprises an electricity connection part (5) capable of being connected with a power source.

11. A cap as defined in claim 10, wherein The body (2) is provided with a blocking cover (3) capable of opening or closing a drinking spout (15); And / or the liquid heating assembly (18) comprises an electric heating tube assembly (30) and a control panel (19), wherein the electric heating tube assembly (30) comprises an electric heating tube (36) having a tube base body, a nano electric heating film attached to a surface of the tube base body, an electrode layer, and a metal electrode installed on the tube base body and in contact with the electrode layer, the metal electrode is electrically connected with the control panel (19), the electric heating tube assembly (30) is installed with a first communicating member (40) at an inlet end and a second communicating member (41) at an outlet end, the first communicating member (40) has a cold liquid inlet (29) communicated with the pump outlet (25), the second connecting part has a water outlet (17), the second communicating member (41) has a hot liquid outlet (31) communicated with the water outlet (17), the first communicating member (40) and / or the second communicating member (41) is installed with a temperature sensor, the temperature sensor is electrically connected with the control panel (19), and the control panel (19) is provided with a control display module.

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