Bottle cap and cosmetic bottle

Abstract

The utility model relates to the technical field of cosmetics, and provides a bottle cap and a cosmetic bottle, the bottle cap comprises a shell, a mounting support, a heat conduction assembly and a circuit board, the shell is provided with a first end, and the first end is provided with a first opening; the mounting bracket is arranged in the shell and corresponds to the first opening; a mounting groove is formed in one end, close to the first opening, of the mounting bracket; the heat conduction assembly comprises a heat dissipation piece, a heat conduction cover and a semiconductor refrigeration piece, the heat dissipation piece is arranged in the mounting groove, the heat conduction cover is connected to the first opening in a covering mode, and the semiconductor refrigeration piece is clamped between the heat dissipation piece and the heat conduction cover; and the circuit board is arranged on the mounting bracket and is electrically connected with the semiconductor refrigeration piece. The bottle cap has the traditional sealing function and further has the functions of hot compress, cold compress and the like, and the use experience of a user can be effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cosmetic products, and particularly provides a bottle cap and a cosmetic bottle. BACKGROUND

[0002] At present, a cosmetic bottle generally comprises a bottle body and a bottle cap. The bottle body is used for storing cosmetics, and the bottle cap is connected to the bottle body. When the user needs to apply the cosmetics, the bottle cap is opened, and when the user does not need to use the cosmetics, the bottle cap is closed to seal the bottle body. The existing bottle cap of the cosmetic bottle only has a single sealing function, and cannot meet the use requirements of the user. CONTENT OF THE UTILITY MODEL

[0003] The present application aims to provide a bottle cap and a cosmetic bottle, and aims to solve the problem that the existing bottle cap of the cosmetic bottle only has a single sealing function and cannot meet the use requirements of the user.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0005] The present application provides a bottle cap, which comprises:

[0006] A shell, wherein the shell has a first end, and the first end is provided with a first opening;

[0007] A mounting bracket, which is arranged in the shell and corresponds to the first opening, and one end of the mounting bracket adjacent to the first opening is provided with a mounting groove;

[0008] A heat conduction assembly, which comprises a heat dissipation piece, a heat conduction cover and a semiconductor refrigeration piece. The heat dissipation piece is arranged in the mounting groove, the heat conduction cover is connected to the first opening in a covering manner, and the semiconductor refrigeration piece is clamped between the heat dissipation piece and the heat conduction cover;

[0009] A circuit board, which is arranged on the mounting bracket and is electrically connected to the semiconductor refrigeration piece.

[0010] The bottle cap provided by the present application can integrate the heat dissipation piece and the circuit board and other components through the mounting bracket. The heat dissipation piece can dissipate heat, the circuit board can control the opening or closing of the whole machine, and the current direction of the semiconductor refrigeration piece can be adjusted. Therefore, the heat or cold generated by the semiconductor refrigeration piece can be transmitted to the skin surface through the heat conduction cover at the first opening, so as to realize hot compress or cold compress, improve the application effect of the cosmetics and the comfort of the user. Therefore, the bottle cap of the present application has the functions of hot compress and cold compress in addition to the traditional sealing function, and can effectively improve the use experience of the user.

[0011] Optionally, the heat conduction cover protrudes from the first opening.

[0012] And / or, the heat-conducting cover has a flange adjacent to the edge of the first opening, the flange is connected to the inner side of the first opening, and the heat-conducting cover is overmolded with the shell.

[0013] Optionally, the heat-dissipating piece comprises a main body and a plurality of fins, the top of the main body is provided with a limiting groove, the semiconductor refrigeration piece is arranged in the limiting groove, and the fins are connected to the bottom of the main body.

[0014] The bottom of the mounting groove is provided with a heat-dissipating opening corresponding to the fins.

[0015] Optionally, the mounting bracket comprises a first mounting part and a second mounting part, the first mounting part is provided with the mounting groove, and the side surface of the first mounting part is provided with a heat-dissipating channel in communication with the heat-dissipating opening.

[0016] The second mounting part is connected to one end of the first mounting part away from the mounting groove, the side surface of the second mounting part is provided with a first containing groove, and the circuit board is arranged in the first containing groove.

[0017] Optionally, the side surface of the first mounting part away from the heat-dissipating channel is provided with a second containing groove, and the groove opening of the second containing groove is provided with a limiting plate.

[0018] The bottle cap further comprises a vibration motor electrically connected to the circuit board, the vibration motor is arranged in the second containing groove and limited by the limiting plate.

[0019] Optionally, the side surface of the second mounting part away from the first containing groove is provided with a third containing groove, and the side edges of the third containing groove are respectively provided with limiting buckles; the bottle cap further comprises a battery electrically connected to the circuit board, the battery is arranged in the third containing groove and limited by the limiting buckles.

[0020] And / or, the circuit board is electrically connected with a button, and the shell is provided with a through hole corresponding to the button.

[0021] Optionally, the mounting bracket further comprises a reinforcing part, the reinforcing part is arranged on opposite sides of the mounting bracket, the reinforcing part is connected to the first mounting part and the second mounting part respectively, and the reinforcing part is provided with a first clamping structure.

[0022] The inner wall of the shell is provided with a second clamping structure, one of the first clamping structure and the second clamping structure is a clamping protrusion, and the other is a clamping groove, and the clamping protrusion is clamped with the clamping groove.

[0023] Optionally, the shell further has a second end opposite to the first end, the second end is provided with a second opening, and the shell is provided with a connecting pipe extending towards the second opening, the connecting pipe being used for connecting a bottle body of a cosmetic bottle.

[0024] Optionally, the shell is provided with a limiting ring; the bottle cap further includes a cap and a sheath, the cap covers the shell and abuts against the limiting ring to cover the heat-conducting cover, and the sheath covers the shell and abuts against a side of the limiting ring away from the cap.

[0025] The application further provides a cosmetic bottle including a bottle body and the above-described bottle cap, the bottle cap being connected to the bottle body.

[0026] The cosmetic bottle provided by the application has the functions of closing, hot compressing and cold compressing, and can effectively improve the use experience of users. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0028] Figure 1 The structure schematic diagram of the bottle cap provided by the application;

[0029] Figure 2 The structure schematic diagram of the bottle cap provided by the application without the cap and the heat-conducting cover;

[0030] Figure 3 The structure schematic diagram of the bottle cap provided by the application without the cap and the sheath;

[0031] Figure 4 The structure sectional view of the bottle cap provided by the application without the cap and the sheath;

[0032] Figure 5 The structure sectional view of the bottle cap provided by the application without the cap and the sheath; Figure 4 The enlarged view of A in FIG. 8;

[0033] Figure 6 The structure schematic diagram of the mounting bracket provided by the application;

[0034] Figure 7 The structure schematic diagram of the mounting bracket provided by the application;

[0035] In the drawings, various reference signs represent:

[0036] 1, housing; 2, mounting bracket; 3, heat conduction assembly; 4, circuit board; 5, first end;

[0037] 6, first opening; 7, mounting groove; 8, heat dissipation piece; 9, heat conduction cover; 10, semiconductor refrigeration piece;

[0038] 11, flange; 12, main body; 13, fin; 14, limiting groove; 15, heat dissipation opening;

[0039] 16, first mounting portion; 17, second mounting portion; 18, heat dissipation channel; 19, first accommodating groove;

[0040] 20, second accommodating groove; 21, limiting plate; 22, vibration motor; 23, flange plate;

[0041] 24, third accommodating groove; 25, limiting buckle; 26, battery; 27, key; 28, through hole;

[0042] 29, reinforcing portion; 30, first shell; 31, second shell; 32, first clamping groove;

[0043] 33, second clamping groove; 34, second end; 35, second opening; 36, connecting pipe;

[0044] 37, limiting ring; 38, cap; 39, sheath; 40, first protrusion; 41, second protrusion. DETAILED DESCRIPTION

[0045] The embodiments of the present application will be described in detail below with reference to the drawings, in which the same or similar components have the same reference numerals throughout the several views. The embodiments described below are examples for explaining the present application and are not intended to be limiting of the present application.

[0046] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the embodiments of the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0047] In addition, the terms "first", "second", are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0048] In the embodiments of the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0049] According to the embodiments of the first aspect of the present application, referring to Figures 1-7 The present application provides a bottle cap, comprising: a shell 1, a mounting bracket 2, a heat conduction assembly 3 and a circuit board 4. Wherein, the shell 1 has a first end 5, the first end 5 is provided with a first opening 6; the mounting bracket 2 is arranged in the shell 1 and corresponds to the first opening 6, one end of the mounting bracket 2 adjacent to the first opening 6 is provided with a mounting groove 7; the heat conduction assembly 3 comprises a heat dissipation piece 8, a heat conduction cover 9 and a semiconductor refrigeration piece 10, the heat dissipation piece 8 is arranged in the mounting groove 7, the heat conduction cover 9 is connected to the first opening 6 in a covering manner, and the semiconductor refrigeration piece 10 is clamped between the heat dissipation piece 8 and the heat conduction cover 9; the circuit board 4 is arranged on the mounting bracket 2 and is electrically connected with the semiconductor refrigeration piece 10.

[0050] In this embodiment of the present application, the shell 1 is the main part of the bottle cap, has a first end 5, the first end 5 can be a top end, which is provided with a first opening 6, the first opening 6 is used for placing the heat conduction cover 9 of the heat conduction assembly 3, so that the user can contact the skin through the heat conduction cover 9.

[0051] The mounting bracket 2 is located in the shell 1 and corresponds to the position of the first opening 6. The mounting bracket 2 is provided with a mounting groove 7 for limiting and fixing the heat dissipation piece 8.

[0052] In the heat conduction assembly 3, the heat dissipation piece 8 is mounted in the mounting groove 7 of the mounting bracket 2, mainly used for dissipating the heat generated by the semiconductor refrigeration piece 10. The heat conduction cover 9 is connected to the first opening 6 of the shell 1 in a covering manner, directly contacts the skin of the user, and transfers the cold or heat generated by the semiconductor refrigeration piece 10. The semiconductor refrigeration piece 10 is clamped between the heat dissipation piece 8 and the heat conduction cover 9, and the cooling or heating function of the semiconductor refrigeration piece 10 is controlled by adjusting the current direction.

[0053] The circuit board 4 is mounted on the mounting bracket 2 and is electrically connected with the semiconductor refrigeration piece 10. The circuit board 4 is responsible for controlling the opening or closing of the whole device, and can change the current direction of the semiconductor refrigeration piece 10, so as to switch the cooling and heating modes.

[0054] When the hot compress or cold compress function is needed, the semiconductor refrigeration device 10 is started through the circuit board 4, and the current direction of the semiconductor refrigeration device 10 is changed to switch the working mode thereof.

[0055] Specifically, the semiconductor refrigeration device 10 mainly includes a pair of p-type semiconductor and n-type semiconductor, if the current flows from the n-type semiconductor to the p-type semiconductor, the side of the heat-conducting cover 9 will absorb heat (cold compress); on the contrary, if the current direction is reversed, the side of the heat-conducting cover 9 will release heat (hot compress). The heat-conducting cover 9 is directly in contact with the skin to transfer heat or cold to achieve the effect of hot compress or cold compress.

[0056] Therefore, the bottle cap provided by the embodiment of the present application not only has the basic sealing function, but also provides the functions of hot compress and cold compress, which can improve the application effect of the cosmetic and the comfort of the user; and by integrating the above components in the bottle cap, the whole device is small and portable, easy to carry and use.

[0057] According to one embodiment of the present application, referring to Figures 3-5 , the heat-conducting cover 9 protrudes from the first opening 6.

[0058] Specifically, the heat-conducting cover 9 protrudes outward from the first opening 6 of the shell 1, which can make the heat-conducting cover 9 more fully and closely contact with the skin, ensuring better adhesion to the skin surface during use, thereby improving the effect of hot compress or cold compress.

[0059] The heat-conducting cover 9 can be made of a metal material with good heat conduction performance, such as stainless steel, aluminum or copper, to ensure efficient heat transfer.

[0060] According to one embodiment of the present application, referring to Figure 5 , the heat-conducting cover 9 has a flange 11 adjacent to the edge of the first opening 6, the flange 11 is connected to the inner side of the first opening 6, and the heat-conducting cover 9 is formed by two-shot injection molding with the shell 1.

[0061] Specifically, through the design of the flange 11 and the injection molding process, the heat-conducting cover 9 can be stably installed at the first opening 6 and is not easy to loosen or fall off, thereby improving the stability and sealing performance of the heat-conducting cover 9.

[0062] According to one embodiment of the present application, referring to Figure 5 , the heat-dissipating device 8 can be a heat-dissipating fin, the heat-dissipating device 8 includes a main body 12 and a plurality of fins 13, the main body 12 is provided with a limiting groove 14 at the top, the semiconductor refrigeration device 10 is arranged in the limiting groove 14, the fins 13 are connected to the bottom of the main body 12, and the bottom of the mounting groove 7 is provided with a heat-dissipating opening 15 corresponding to the fins 13.

[0063] Specifically, the top wall of the main body 12 part of the heat dissipation piece 8 is provided with a limiting groove 14. Through the design of the limiting groove 14, the semiconductor refrigeration piece 10 can be quickly and accurately placed in the correct position, and the assembly process is simplified.

[0064] The number of fins 13 of the heat dissipation piece 8 can be multiple, and the multiple fins are arranged in parallel with intervals. The heat dissipation area can be increased, and the heat dissipation efficiency can be effectively improved in combination with the design of the heat dissipation opening 15, so as to ensure the stable operation of the semiconductor refrigeration piece 10.

[0065] According to one embodiment of the present application, referring to Figure 4 and Figure 5 , the end face of the first end 5 of the shell 1 is an inclined surface, and correspondingly, the mounting groove 7 of the mounting bracket 2 and the heat conduction assembly 3 are also inclined.

[0066] Specifically, the inclined surface design makes the heat conduction cover 9 better fit the skin surface, especially at curved parts such as the face, improving the effect of hot or cold compress. Moreover, the inclined surface design makes the use more natural and comfortable, reduces the discomfort in the use process, and also increases the appearance aesthetics of the product.

[0067] According to one embodiment of the present application, referring to Figure 6 and Figure 7 , the mounting bracket 2 includes a first mounting part 16 and a second mounting part 17. The first mounting part 16 is provided with the mounting groove 7, and the side surface of the first mounting part 16 is provided with a heat dissipation channel 18 in communication with the heat dissipation opening 15. The second mounting part 17 is connected to one end of the first mounting part 16 away from the mounting groove 7, and the side surface of the second mounting part 17 is provided with a first accommodating groove 19, and the circuit board 4 is arranged in the first accommodating groove 19.

[0068] Specifically, when the semiconductor refrigeration piece 10 is in refrigeration work, the heat dissipation piece 8 can dissipate the heat generated by the semiconductor refrigeration piece 10 to the heat dissipation channel 18 with a larger space through the heat dissipation opening 15 at the bottom of the mounting groove 7, improving the heat dissipation efficiency, thereby maintaining the refrigeration effect, avoiding overheating of the semiconductor refrigeration piece 10 during long-time operation, preventing damage to the semiconductor refrigeration piece 10, and ensuring the stable operation of the semiconductor refrigeration piece 10.

[0069] Moreover, the inner wall of the first accommodating groove 19 is provided with a first clamping groove, and the circuit board 4 is clamped in the first clamping groove and can be fastened by screws or other fasteners. By arranging the circuit board 4 in the first accommodating groove 19 of the second mounting part 17, the miniaturization of the overall structure is facilitated.

[0070] According to one embodiment of the present application, referring to Figure 7As shown, the side of the first mounting portion 16 away from the heat dissipation channel 18 is provided with a second accommodating groove 20, and a limiting plate 21 is arranged at the opening of the second accommodating groove 20; the bottle cap further comprises a vibration motor 22 electrically connected to the circuit board 4, and the vibration motor 22 is arranged in the second accommodating groove 20 and limited by the limiting plate 21.

[0071] Specifically, the bottom and the side of the second accommodating groove 20 are both open structures, the limiting plate 21 is arranged at the upper part of the opening of the side of the second accommodating groove 20, and the inner wall of the second accommodating groove 20 is provided with a second clamping groove. During installation, the flange plate 23 of the vibration motor 22 is pushed upwards through the opening at the bottom of the second accommodating groove 20 and into the second clamping groove, and the vibration motor 22 is clamped by the limiting plate 21 on the side, and the flange plate 23 can also be fixed in the second accommodating groove 20 by a fastener such as a screw, so as to realize quick positioning and assembly of the vibration motor 22.

[0072] The start and stop of the vibration motor 22 can be controlled through the circuit board 4, and the vibration motor 22 provides a massage effect through vibration, which helps to promote blood circulation and absorption of cosmetics and improve the application effect.

[0073] Therefore, the bottle cap provided by the embodiment of the present application not only has the basic sealing function, but also provides the functions of hot compress, cold compress and vibration massage, thereby effectively improving the user experience. Moreover, by reasonable layout, the components such as the heat dissipation member 8, the circuit board 4 and the vibration motor 22 are integrated and installed on the mounting bracket 2, so that the structure is compact, which is conducive to miniaturization of the overall structure and facilitates carrying and use.

[0074] According to an embodiment of the present application, referring to Figure 6 and Figure 7 As shown, the side of the second mounting portion 16 away from the heat dissipation channel 18 is provided with a second accommodating groove 20, and a limiting plate 21 is arranged at the opening of the second accommodating groove 20; the bottle cap further comprises a vibration motor 22 electrically connected to the circuit board 4, and the vibration motor 22 is arranged in the second accommodating groove 20 and limited by the limiting plate 21.

[0075] Specifically, through the third accommodating groove 24 and the limiting buckles 25 on both sides, the stable installation of the battery 26 can be ensured, and the battery 26 can provide power supply for the whole device to support the operation of the components such as the semiconductor refrigeration member 10, the vibration motor 22 and the circuit board 4. Moreover, by reasonable layout, the components such as the heat dissipation member 8, the circuit board 4, the vibration motor 22 and the battery 26 are integrated and installed on the mounting bracket 2, so that the structure is compact, which is conducive to miniaturization of the overall structure.

[0076] According to an embodiment of the present application, referring to Figures 1-4 , Figure 6 As shown, the circuit board 4 is electrically connected with a button 27, and the shell 1 is provided with a through hole 28 corresponding to the button 27.

[0077] Specifically, the keys 27 on the circuit board 4 are exposed through the through holes 28 on the shell 1, so as to be convenient for the user to operate. The keys 27 can be used to control the opening or closing of the whole device, hot compress, cold compress, vibration massage and other functions, and the operation is simple and intuitive.

[0078] According to one embodiment of the present application, as shown in Figure 3 , Figure 6 and Figure 7 , the mounting bracket 2 further comprises a reinforcing portion 29, which is arranged on opposite sides of the mounting bracket 2 and is connected with the first mounting portion 16 and the second mounting portion 17 respectively, and the reinforcing portion 29 is provided with a first clamping structure.

[0079] The inner wall of the shell 1 is provided with a second clamping structure, one of the first clamping structure and the second clamping structure is a clamping protrusion, and the other is a clamping groove, and the clamping protrusion is clamped with the clamping groove.

[0080] In this embodiment of the present application, the design of the reinforcing portion 29 improves the overall structural strength of the mounting bracket 2, ensuring durability.

[0081] In addition, the shell 1 can be a split structure, comprising a first shell 30 and a second shell 31 that are spliced with each other, the inner wall of the first shell 30 is provided with a first clamping protrusion, the inner wall of the second shell 31 is provided with a second clamping protrusion, the reinforcing portion 29 is provided with a first clamping groove 32 and a second clamping groove 33, the first clamping protrusion is clamped with the first clamping groove 32, and the second clamping protrusion is clamped with the second clamping groove 33, so as to stably assemble the first shell 30 and the second shell 31 on the mounting bracket 2. Through the clamping structure, the mounting bracket 2 can be stably clamped in the shell 1, ensuring the stability of the overall structure.

[0082] According to one embodiment of the present application, as shown in Figure 1 , Figure 3 and Figure 4 , the shell 1 further has a second end 34 opposite to the first end 5, the second end 34 is provided with a second opening 35, and the shell 1 is provided with a connecting pipe 36 extending towards the second opening 35, which is used to connect the bottle body of the cosmetic bottle.

[0083] Specifically, the first shell 30 of the shell 1 has the first end 5 and the through hole 28, and the second shell 31 has the second end 34, which can be a bottom end. The bottom end is designed with the second opening 35, so that the bottle body of the cosmetic bottle can be inserted into the shell 1 and connected with the connecting pipe 36. The connecting pipe 36 is arranged in the second shell 31, and the inner wall of the connecting pipe 36 is provided with threads for screwing the bottle body of the cosmetic bottle, ensuring the stable connection between the bottle cap and the bottle body. The user can replace or refill the cosmetic by unscrewing the bottle cap, which is simple and convenient to operate.

[0084] According to one embodiment of the present application, referring to Figure 1 and Figure 3 The shell 1 is provided with a limiting ring 37; the bottle cap further comprises a cap 38 and a sheath 39, the cap 38 covers the shell 1 outside and abuts against the limiting ring 37 to cover the heat-conducting cover 9, and the sheath 39 is sleeved on the shell 1 outside and abuts against the limiting ring 37 on the side away from the cap 38.

[0085] Specifically, the lower part of the outer wall of the first shell 30 of the shell 1 is provided with the limiting ring 37, and the upper and lower sides of the outer wall of the first shell 30 adjacent to the limiting ring 37 are respectively wrapped with a plurality of first protrusions 40 and a plurality of second protrusions 41, the inner wall of the cap 38 is provided with a first groove matched with the first protrusions 40, when the cap 38 covers the first shell 30 and abuts against the limiting ring 37, the first protrusions 40 are clamped in the first groove, which is used for covering the heat-conducting cover 9 to prevent dust and pollutants from entering and keep the heat-conducting cover 9 clean.

[0086] In addition, the upper end of the inner wall of the sheath 39 is provided with a second groove matched with the second protrusions 41, the sheath 39 is sleeved on the outer wall of the first shell 30 and the second shell 31 on the lower side of the limiting ring 37, and the second protrusions 41 are clamped in the second groove, so that the connecting gap between the first shell 30 and the second shell 31 can be covered by the sheath 39, which can protect the shell 1 and improve the overall aesthetic appearance.

[0087] According to the second aspect of the present application, the present application further provides a cosmetic bottle comprising a bottle body and the bottle cap of the above-mentioned embodiments, and the bottle cap is connected to the bottle body. The specific type of the cosmetic bottle of the present application is not particularly limited, for example, it can be an eye cream bottle, a face cream bottle, etc.

[0088] Since the cosmetic bottle provided by the present application comprises the bottle cap of the above-mentioned embodiments, it has all the technical effects of the bottle cap of the above-mentioned embodiments, which will not be repeated here.

[0089] The above is only a preferred embodiment of the present application, and does not limit the embodiments of the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the embodiments of the present application shall be included in the protection scope of the embodiments of the present application.

Claims

1. A bottle cap characterized by comprising: The application relates to a bottle cap. The bottle cap comprises a shell, a mounting bracket, a heat-conducting assembly and a circuit board. The shell has a first end provided with a first opening. The mounting bracket is arranged in the shell and corresponds to the first opening. The heat-conducting assembly comprises a heat-dissipating piece, a heat-conducting cover and a semiconductor refrigeration piece.

2. The bottle cap according to claim 1, characterized in that The heat-dissipating piece is arranged in the mounting slot. The heat-conducting cover is connected to the first opening.

3. The bottle cap according to claim 1, wherein The semiconductor refrigeration piece is arranged between the heat-dissipating piece and the heat-conducting cover. The circuit board is arranged on the mounting bracket and is electrically connected to the semiconductor refrigeration piece.

4. The bottle cap according to claim 3, wherein The heat-conducting cover protrudes from the first opening. The heat-conducting cover is provided with a flange adjacent to the edge of the first opening.

5. The bottle cap according to claim 4, wherein The flange is connected to the inner side of the first opening. The heat-conducting cover is formed by two-component injection molding with the shell.

6. The bottle cap according to claim 4, wherein The heat-dissipating piece comprises a main body and a plurality of fins. The top of the main body is provided with a limiting slot.

7. The bottle cap according to claim 4, wherein The semiconductor refrigeration piece is arranged in the limiting slot. The fins are connected to the bottom of the main body.

8. The bottle cap according to claim 1, wherein The bottom of the mounting slot is provided with a heat-dissipating opening corresponding to the fins.

9. The bottle cap according to any one of claims 1 to 8, characterized in that The mounting bracket comprises a first mounting part and a second mounting part. The first mounting part is provided with the mounting slot. The side surface of the first mounting part is provided with a heat-dissipating channel connected to the heat-dissipating opening. The second mounting part is connected to the end of the first mounting part away from the mounting slot. The side surface of the second mounting part is provided with a first accommodating slot. The circuit board is arranged in the first accommodating slot. The side surface of the first mounting part away from the heat-dissipating channel is provided with a second accommodating slot. The slot opening of the second accommodating slot is provided with a limiting plate. The bottle cap further comprises a vibration motor electrically connected to the circuit board. The vibration motor is arranged in the second accommodating slot and is limited by the limiting plate. The side surface of the second mounting part away from the first accommodating slot is provided with a third accommodating slot. The two side edges of the third accommodating slot are respectively provided with limiting buckles. The bottle cap further comprises a battery electrically connected to the circuit board. The battery is arranged in the third accommodating slot and is limited by the limiting buckles. The circuit board is provided with a key. The shell is provided with a through hole corresponding to the key. The mounting bracket further comprises a reinforcing part. The reinforcing part is arranged on the opposite sides of the mounting bracket. The reinforcing part is connected to the first mounting part and the second mounting part. The inner wall of the shell is provided with a second clamping structure. One of the first clamping structure and the second clamping structure is a clamping protrusion. The other is a clamping groove. The shell further comprises a second end opposite to the first end. The second end is provided with a second opening. The shell is provided with a connecting pipe extending towards the second opening. The connecting pipe is used for connecting a bottle body of a cosmetic bottle. The shell is provided with a limiting ring. The bottle cap further comprises a cap and a sheath. The cap covers the shell and abuts against the limiting ring to cover the heat-conducting cover. The sheath covers the shell and abuts against the side of the limiting ring away from the cap.

10. A cosmetic bottle characterized by A bottle comprising a bottle body and a bottle cap according to any one of claims 1 to 9 connected to the bottle body.

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