Negative pressure circulating device, beauty head and beauty instrument

Abstract

The utility model discloses a negative pressure circulation device, beauty treatment head and beauty treatment instrument, relates to beauty treatment instrument technical field, the negative pressure circulation device includes negative pressure tank, negative pressure circulation subassembly, detection piece and control subassembly, the negative pressure circulation subassembly is installed at the other side of first shell, negative pressure circulation subassembly is connected to negative pressure tank, the detection piece is connected to the negative pressure tank, the detection piece is connected to the negative pressure tank, and the control subassembly is connected to the negative pressure tank. The negative pressure circulation assembly is used for providing negative pressure in the negative pressure cavity; the detection piece is installed on one side of the negative pressure circulation assembly and used for detecting the negative pressure provided by the negative pressure circulation assembly; the control assembly is electrically connected to the negative pressure circulation assembly and the detection part, and the control assembly controls the negative pressure provided by the negative pressure circulation assembly according to the negative pressure detected by the detection part; the detection piece can detect the air pressure output by the negative pressure circulation assembly in real time, and the pressure is adjusted to be proper through the control assembly according to the negative pressure detected by the detection piece, so that the best adsorption force is provided, and the needed beautifying effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cosmetic instrument technical field, especially in a kind of negative pressure circulation device, cosmetic head and cosmetic instrument. BACKGROUND

[0002] The vacuum negative pressure device of existing cosmetic instrument, generally rely on vacuum pump and solenoid valve etc.

[0003] However, the existing vacuum negative pressure device is difficult to exert sufficient negative pressure, cannot adjust pressure to be appropriate, and thus cannot provide optimal suction force, resulting in poor cosmetic effect. SUMMARY

[0004] The utility model discloses a kind of negative pressure circulation device, cosmetic head and cosmetic instrument, which aims to detect the air pressure size output by negative pressure circulation component in real time by detection member, and adjust pressure to be appropriate by control component according to the negative pressure detected by detection member, to provide optimal suction force, achieve the desired cosmetic effect.

[0005] To achieve the above object, the negative pressure circulation device includes:

[0006] Negative pressure tank body, the negative pressure tank body is installed in one side of the first shell, and the negative pressure tank body is used for negative pressure adsorption user skin, to adsorb skin into the negative pressure tank body;

[0007] Negative pressure circulation component, the negative pressure circulation component is installed in the other side of first shell, and the negative pressure circulation component is connected to the negative pressure tank body, and the negative pressure circulation component is used to provide negative pressure in the negative pressure tank body;

[0008] Detection member, the detection member is installed in one side of the negative pressure circulation component, and the detection member is used to detect the negative pressure size provided by the negative pressure circulation component;

[0009] Control component, the control component is electrically connected to the negative pressure circulation component and the detection member, and the control component controls the negative pressure size provided by the negative pressure circulation component according to the negative pressure size detected by the detection member.

[0010] In an embodiment, the control component includes main control board and pressure relief valve, the main control board is installed in the first shell, the main control board is electrically connected to the pressure relief valve and the detection member, the pressure relief valve is connected to one side of the negative pressure circulation component, and the main control board controls pressure relief valve to adjust the negative pressure provided by the negative pressure circulation component.

[0011] In an embodiment, the negative pressure circulation assembly comprises a mounting shell and a vacuum circulation pump, the mounting shell forms a mounting cavity with a mounting port, the mounting shell is mounted to the first shell, the vacuum circulation pump is mounted in the mounting cavity, and the main control board is electrically connected to the vacuum circulation pump.

[0012] In an embodiment, the negative pressure circulation assembly further comprises soundproof cotton, the soundproof cotton is wrapped around the outer circumferential wall of the pressure relief valve and the vacuum circulation pump, respectively.

[0013] In an embodiment, the detection member is a pressure sensor.

[0014] In an embodiment, the negative pressure circulation assembly further comprises a connecting pipe and a four-way pipe member, the four-way pipe member comprises a main pipe and a first connecting pipe, a second connecting pipe, a third connecting pipe and a fourth connecting pipe in communication with the main pipe, respectively, one end of the connecting pipe is connected to the negative pressure tank body, the other end of the connecting pipe is connected to the first connecting pipe, the second connecting pipe is used for connecting to the vacuum circulation pump, the third connecting pipe is used for connecting to the pressure relief valve, and the fourth connecting pipe is used for connecting to the detection member.

[0015] In an embodiment, the negative pressure circulation assembly further comprises an exhaust pipe, one end of the exhaust pipe is connected to the vacuum circulation pump, and the exhaust pipe is used for exhausting air in the vacuum circulation pump.

[0016] In an embodiment, the negative pressure circulation device further comprises a lens, the negative pressure tank body forms a negative pressure cavity with two open ends, one of the openings is used for negative pressure adsorption of the skin of a user to adsorb the skin into the negative pressure cavity, and the lens is mounted to the other opening.

[0017] The utility model also proposes a beauty head, the beauty head includes first shell, second shell and as any one of the above negative pressure circulation device, the first shell is located one side of the second shell, and the surrounding formation contains the cavity, and the negative pressure circulation device is installed in the containing cavity.

[0018] The utility model also proposes a beauty instrument, the beauty instrument includes handle and the beauty head as described above, and the beauty head can be detachably installed on one side of the handle.

[0019] The technical scheme of the utility model provides the best adsorption force by adjusting the pressure to the appropriate size through the control assembly according to the negative pressure detected by the detection member, achieves the required beauty effect through the detection member in real time to detect the air pressure size of the negative pressure circulation assembly output. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Figure 1 The structure schematic diagram of an embodiment of the negative pressure circulating device provided by the present application is shown in the figure.

[0022] Figure 2 The structure schematic diagram of a four-way pipe fitting of an embodiment of the negative pressure circulating device provided by the present application is shown in the figure.

[0023] Figure 3 The structure schematic diagram of an embodiment of the beauty head provided by the present application is shown in the figure.

[0024] Figure 4 The structure schematic diagram of an embodiment of the beauty instrument provided by the present application is shown in the figure.

[0025] Explanation of the reference numerals:

[0026] 10, negative pressure circulating device; 1, negative pressure tank body; 11, negative pressure cavity; 12, opening; 2, negative pressure circulating assembly; 21, mounting cover; 22, vacuum circulating pump; 23, connecting pipe; 24, four-way pipe fitting; 241, main pipe; 242, first connecting pipe; 243, second connecting pipe; 244, third connecting pipe; 245, fourth connecting pipe; 25, exhaust pipe; 3, detection piece; 4, control assembly; 41, main control board; 42, pressure relief valve; 5, lens; 20, beauty head; 201, first shell; 202, second shell; 2021, air hole; 2022, light transmission hole; 30, beauty instrument; 301, handle.

[0027] The realization, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] It should be noted that if the embodiments of the utility model have the direction indication (such as up, down, left, right, front, back), the direction indication is only used to explain the relative position relationship, movement condition and the like between components in a certain posture, if the certain posture changes, the direction indication also changes accordingly.

[0030] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, "and / or" or "and / or" appearing in the whole text means that the three parallel schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0031] The utility model proposes a kind of negative pressure circulation device, beauty head and beauty instrument, to detect the air pressure size that real-time detection negative pressure circulation component outputs by detection piece, and by control component, according to the negative pressure of detection piece detection, adjust pressure to appropriate, to provide the best suction force, reach the required beauty effect.

[0032] Please refer to Figures 1 to 4 In an embodiment of the utility model, the negative pressure circulation device 10 includes:

[0033] Negative pressure groove body 1, the negative pressure groove body 1 is installed in one side of the first shell 201, the negative pressure groove body 1 is used to the skin of user for negative pressure suction, to be adsorbed to the negative pressure groove body 1 in skin;

[0034] Negative pressure circulation component 2, the negative pressure circulation component 2 is installed in the other side of first shell 201, the negative pressure circulation component 2 is connected to the negative pressure groove body 1, the negative pressure circulation component 2 is used to provide negative pressure in the negative pressure groove body 1;

[0035] Detection piece 3, the detection piece 3 is installed in one side of the negative pressure circulation component 2, the detection piece 3 is used to detect the negative pressure size provided by the negative pressure circulation component 2;

[0036] Control component 4, the control component 4 is electrically connected to the negative pressure circulation component 2 and the detection piece 3, and the control component 4 controls the negative pressure size provided by the negative pressure circulation component 2 according to the negative pressure size detected by the detection piece 3.

[0037] In this embodiment, the negative pressure circulation device 10 comprises a negative pressure tank 1, a negative pressure circulation assembly 2 and a control assembly 4, the negative pressure tank 1 is installed on one side of the first shell 201, and the negative pressure tank 1 is used for adsorbing the skin of the user by negative pressure to adsorb the skin into the negative pressure tank 1, and the control assembly 4 is installed on the first shell 201 and is spaced apart from the negative pressure circulation assembly 2, and the control assembly 4 is electrically connected to the negative pressure circulation assembly 2, and the negative pressure circulation assembly 2 is connected to the negative pressure tank 1, and the negative pressure circulation assembly 2 is used to provide negative pressure in the negative tank 1, that is, in use, the negative pressure circulation assembly 2 is started to work by the control assembly 4, so that the negative pressure circulation assembly 2 generates negative pressure in the negative pressure tank 1 and directly acts on the human body, adsorbs the skin into the negative pressure tank 1, plays a role of lifting the skin, and the skin is stimulated to improve blood circulation and promote metabolism, and a skin beauty repair effect is achieved.

[0038] At the same time, in order to ensure that the negative pressure circulation assembly 2 provides appropriate negative pressure, the negative pressure circulation device 10 further comprises a detection piece 3, the detection piece 3 is installed on one side of the negative pressure circulation assembly 2, and the detection piece 3 is used to detect the negative pressure provided by the negative pressure circulation assembly 2 to the negative pressure tank 1, and the control is gradually electrically connected to the detection piece 3, so that the control assembly 4 controls the negative pressure provided by the negative pressure circulation assembly 2 through the negative pressure detected by the detection piece 3, so as to adjust the pressure to be appropriate to provide the best adsorption force, effectively avoid that the pressure is too small and the desired beauty effect cannot be achieved, and when the pressure is too large, the skin of the user is easily injured, and the user has a bad experience effect.

[0039] In an embodiment, please refer to Figure 1 , the control assembly 4 comprises a main control board 41 and a pressure relief valve 42, the main control board 41 is installed on the first shell 201, the main control board 41 is electrically connected to the pressure relief valve 42 and the detection piece 3, the pressure relief valve 42 is connected to one side of the negative pressure circulation assembly 2, and the main control board 41 controls the pressure relief valve 42 to adjust the negative pressure provided by the negative pressure circulation assembly 2 to provide the best adsorption force, effectively avoid that the pressure is too small and the desired beauty effect cannot be achieved, and when the pressure is too large, the skin of the user is easily injured, and the user has a bad experience effect.

[0040] In the embodiment, the control assembly 4 comprises a main control board 41 and a pressure relief valve 42, the main control board 41 is installed on the first shell 201 and electrically connected to the pressure relief valve 42 and the detection member 3, and the pressure relief valve 42 is connected to the negative pressure circulation assembly 2. Thus, the main control board 41 controls the pressure relief valve 42 to adjust the negative pressure provided by the negative pressure circulation assembly 2, so that the negative pressure circulation assembly 2 can provide a proper negative pressure to provide the best suction force, effectively avoiding that the pressure is too low to achieve the desired beauty effect, and the pressure is too high to easily hurt the user's skin and bring the user a bad experience effect.

[0041] In an embodiment, referring to Figure 1 , the negative pressure circulation assembly 2 comprises a mounting shell 21 and a vacuum circulation pump 22, the mounting shell 21 forms a mounting cavity with a mounting opening, the mounting shell 21 is installed on the first shell 201, and the vacuum circulation pump 22 is installed in the mounting cavity. The main control board 41 is electrically connected to the vacuum circulation pump 22.

[0042] In the embodiment, the negative pressure circulation assembly 2 comprises a mounting shell 21 and a vacuum circulation pump 22, the mounting shell 21 forms a mounting cavity with a mounting opening, and the mounting shell 21 is installed on the first shell 201, and the vacuum circulation pump 22 is installed in the mounting cavity to ensure the stable installation of the vacuum circulation pump 22 and the normal work of the vacuum circulation pump 22. The main control board 41 is electrically connected to the vacuum circulation pump 22. Thus, the vacuum circulation pump 22 starts to work under the drive of the main control board 41, and then generates negative pressure in the negative pressure groove 1.

[0043] In an embodiment, referring to Figure 1 , the negative pressure circulation assembly 2 further comprises sound insulation cotton, the sound insulation cotton is wrapped around the outer peripheral wall of the pressure relief valve 42 and the vacuum circulation pump 22, respectively. By setting the sound insulation cotton, the noise generated by the pressure relief valve 42 and the vacuum circulation pump 22 during work is effectively reduced, and the user's experience effect is improved.

[0044] In an embodiment, referring to Figure 1 , the detection member 3 is a pressure sensor, which can sensitively detect the negative pressure generated by the vacuum circulation pump 22. When the negative pressure is too large, the pressure sensor sends a signal to the main control board 41, and the main control board 41 starts the pressure relief valve 42 to adjust the pressure to an appropriate size, realizes cycle control, and then can provide the best suction force, effectively avoiding that the pressure is too low to achieve the desired beauty effect, and the pressure is too high to easily hurt the user's skin and bring the user a bad experience effect. It should be noted that the pressure sensor is prior art, which is not limited in the present application.

[0045] In an embodiment, referring to Figure 1 andFigure 2 The negative pressure circulation assembly 2 further comprises a connecting pipe 23 and a four-way pipe 24. The four-way pipe 24 comprises a main pipe 241 and a first connecting pipe 242, a second connecting pipe 243, a third connecting pipe 244 and a fourth connecting pipe 245 which are respectively communicated with the main pipe 241. One end of the connecting pipe 23 is connected to the negative pressure tank 1. The other end of the connecting pipe 23 is connected to the first connecting pipe 242. The second connecting pipe 243 is used for connecting to the vacuum circulation pump 22. The third connecting pipe 244 is used for connecting to the pressure relief valve 42. The fourth connecting pipe 245 is used for connecting to the detection member 3.

[0046] In the embodiment, the negative pressure circulation assembly 2 further comprises a connecting pipe 23 and a four-way pipe 24. One end of the connecting pipe 23 is connected to the negative pressure tank 1. It is to be noted that a through hole is formed on the negative pressure tank 1 for mounting the connecting end. The four-way pipe 24 comprises a main pipe 241 and a first connecting pipe 242, a second connecting pipe 243, a third connecting pipe 244 and a fourth connecting pipe 245 which are respectively communicated with the main pipe 241. The other end of the connecting pipe 23 is connected to the first connecting pipe 242. The second connecting pipe 243 is used for connecting to the vacuum circulation pump 22. The air pressure generated by the vacuum circulation pump 22 flows through the main pipe 241, the first connecting pipe 242, the third connecting pipe 244 and the fourth connecting pipe 245 through the second connecting pipe 243. It is to be noted that the vacuum circulation pump 22 is a prior art which is not limited in the present application. The third connecting pipe 244 is used for connecting to the pressure relief valve 42. Thus, the negative pressure provided by the vacuum circulation pump 22 is adjusted by the pressure relief valve 42 controlled by the main control panel 41 so that the vacuum circulation pump 22 can provide a proper negative pressure to provide the best adsorption force. The fourth connecting pipe 245 is used for connecting to the detection member 3. Thus, the detection member 3 can detect the air pressure provided by the vacuum circulation pump 22 when the air pressure passes through the fourth connecting pipe 245. When the negative pressure is too large, the pressure sensor sends a signal to the main control panel 41. The main control panel 41 starts the pressure relief valve 42 to adjust the pressure to a proper size to realize the circulation control. Thus, the best adsorption force can be provided. The pressure is too small to achieve the desired beauty effect. When the pressure is too large, the user's skin is easily injured to bring a bad experience effect to the user. It is to be noted that the pressure sensor is a prior art which is not limited in the present application.

[0047] In an embodiment, please refer to Figure 1 The negative pressure circulation assembly 2 further comprises an exhaust pipe 25. One end of the exhaust pipe 25 is connected to the vacuum circulation pump 22. The exhaust pipe 25 is used for exhausting the air in the vacuum circulation pump 22 to ensure the normal work of the vacuum circulation pump 22 to generate sufficient negative pressure.

[0048] In order to ensure the smooth exhaust of the vacuum circulation pump 22, the negative pressure circulation assembly 2 further comprises an exhaust pipe 25, one end of the exhaust pipe 25 is connected to the vacuum circulation pump 22, and the other end of the exhaust pipe 25 is communicated with the second shell 202, and it should be noted that the second shell 202 is provided with a ventilation hole 2021 for installing the exhaust pipe 25, that is, the exhaust pipe 25 is connected to the ventilation hole 2021 at the end away from the vacuum circulation pump 22, that is, the gas in the vacuum circulation pump 22 is discharged to the outside through the exhaust pipe 25.

[0049] In an embodiment, referring to Figure 1 The negative pressure circulation device 10 further comprises a lens 5, and the negative pressure groove body 1 forms a negative pressure cavity 11 with two openings 12, one of which is used for negative pressure adsorption of the skin of the user to adsorb the skin into the negative pressure cavity 11, and the lens 5 is installed at the other opening 12, and the light forms a straight light beam through the refraction and focusing of the lens 5, thereby increasing the energy acting on the skin per unit area and enhancing the effect of improving skin whitening.

[0050] In order to further increase the cosmetic effect, the negative pressure circulation device 10 further comprises a lens 5, and the negative pressure groove body 1 forms a negative pressure cavity 11 with two openings 12, one of which is used for negative pressure adsorption of the skin of the user to adsorb the skin into the negative pressure cavity 11, and the lens 5 is installed at the other opening 12, and it should be noted that one side of the negative pressure groove body 1 is connected with a vacuum circulation pump 22 through a connecting pipe 23, and the vacuum circulation pump 22 is used for providing negative pressure to the negative pressure groove body 1, and under the action of the vacuum circulation pump 22, the skin of the user is adsorbed into the negative pressure cavity 11, and then the light is emitted through one of the openings 12 after refraction and focusing through the lens 5, and directly acts on the skin adsorbed in the negative pressure cavity 11, thereby enhancing the effect of improving skin whitening.

[0051] It should be noted that the material of the lens 5 is high-transmittance PC material, which facilitates the smooth passage of light. And the side surface away from the opening of the lens 5 is arc-shaped, which is arranged to facilitate the focusing of the divergent light into a straight light beam.

[0052] The utility model further provides a cosmetic head 20, referring to Figure 3The cosmetic head 20 comprises the negative pressure circulation device 10, a first shell 201 and a second shell 202, the specific structure of the negative pressure circulation device 10 is referred to the above-mentioned embodiments, as the negative pressure circulation device 10 adopts all the technical solutions of the above-mentioned embodiments, thus at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here. The first shell 201 is arranged on one side of the second shell 202 and encloses a containing cavity, and the negative pressure circulation device 10 is installed in the containing cavity. The second shell 202 is provided with a light transmission hole 2022, the light transmission hole 2022 is opposite to the opening 12, and the light irradiated on the lens 5 passes through the opening 12 and is emitted from the light transmission hole 2022.

[0053] The utility model also proposes a kind of cosmetic instrument, please refer to Figure 4 The cosmetic instrument 30 comprises the cosmetic head 20 and handle 301 as described above, and the cosmetic head 20 is detachably installed on one side of the handle 301. The specific structure of the cosmetic head 20 is referred to the above-mentioned embodiments, as the cosmetic instrument 30 adopts all the technical solutions of the above-mentioned embodiments, thus at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here. Among them, the cosmetic head 20 is detachably installed on one side of the handle 301, through the detachable connection of the cosmetic head 20 and the handle 301, users can replace different cosmetic heads 20 according to use needs, such as replacing the cosmetic head 20 with different negative pressure groove bodies 1. And the cosmetic head 20 can also be detached for cleaning, so that the inside of the negative pressure groove body 1 can be cleaned, and cleaning water can be prevented from entering the handle 301 to avoid damaging the cosmetic instrument 30.

[0054] And it can be understood that, the cosmetic head 20 and the handle 301 are designed in a split body, and the negative pressure groove body 1 and the negative pressure circulation device 10 are arranged in the cosmetic head 20, when the cosmetic head 20 is installed on the handle 301, the negative pressure groove body 1 and the handle 301 are communicated, and the assembly efficiency can be improved. It should be noted that the handle 301 is prior art, which is not limited in the present application.

[0055] The above-mentioned is only exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A negative pressure circulation device mounted to a first housing, characterized by, The negative pressure circulation device comprises: a negative pressure tank body mounted on one side of the first shell, the negative pressure tank body being used for adsorbing the skin of a user by negative pressure to adsorb the skin into the negative pressure tank body; a negative pressure circulation assembly mounted on the other side of the first shell, the negative pressure circulation assembly being connected to the negative pressure tank body, the negative pressure circulation assembly being used for providing negative pressure in the negative pressure tank body; a detection member mounted on one side of the negative pressure circulation assembly, the detection member being used for detecting the size of the negative pressure provided by the negative pressure circulation assembly; a control assembly electrically connected to the negative pressure circulation assembly and the detection member, the control assembly being used for controlling the size of the negative pressure provided by the negative pressure circulation assembly according to the size of the negative pressure detected by the detection member.

2. The negative pressure circulation device of claim 1, wherein, The control assembly comprises a main control board and a pressure relief valve, the main control board being mounted on the first shell, the main control board being electrically connected to the pressure relief valve and the detection member, the pressure relief valve being connected to one side of the negative pressure circulation assembly, the main control board being used for adjusting the negative pressure provided by the negative pressure circulation assembly through the pressure relief valve.

3. The negative pressure circulation device of claim 2, wherein, The negative pressure circulation assembly comprises a mounting shell and a vacuum circulation pump, the mounting shell forming a mounting cavity with a mounting opening, the mounting shell being mounted on the first shell, the vacuum circulation pump being mounted in the mounting cavity, the main control board being electrically connected to the vacuum circulation pump.

4. The negative pressure circulation device of claim 3, wherein, The negative pressure circulation assembly further comprises soundproof cotton, the soundproof cotton being respectively wrapped around the outer peripheral walls of the pressure relief valve and the vacuum circulation pump.

5. The negative pressure circulation device of claim 4, wherein, The detection member is a pressure sensor.

6. The negative pressure circulation device of claim 5, wherein, The negative pressure circulation assembly further comprises a connecting pipe and a four-way pipe member, the four-way pipe member comprising a main pipe and first, second, third and fourth connecting pipes in communication with the main pipe, one end of the connecting pipe being connected to the negative pressure tank body, the other end of the connecting pipe being connected to the first connecting pipe, the second connecting pipe being used for being connected to the vacuum circulation pump, the third connecting pipe being used for being connected to the pressure relief valve, and the fourth connecting pipe being used for being connected to the detection member.

7. A negative pressure circulation device as claimed in any one of claims 3 to 6, wherein, The negative pressure circulation assembly further comprises an exhaust pipe, one end of the exhaust pipe being connected to the vacuum circulation pump, the exhaust pipe being used for exhausting air in the vacuum circulation pump.

8. The negative pressure circulation device of claim 6, wherein, The negative pressure circulation device further comprises a lens, the negative pressure tank body forming a negative pressure cavity with two openings, one of the openings being used for adsorbing the skin of a user by negative pressure to adsorb the skin into the negative pressure cavity, the lens being mounted on the other opening.

9. A cosmetic head, characterized by The cosmetic head comprises a first shell, a second shell and the negative pressure circulation device according to any one of claims 1 to 8, the first shell being arranged on one side of the second shell and enclosing a containing cavity, the negative pressure circulation device being mounted in the containing cavity.

10. A cosmetic device, characterized by, The cosmetic instrument comprises a handle and the cosmetic head according to claim 9, the cosmetic head being detachably mounted on one side of the handle.

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