CN219721679U - Negative pressure beauty instrument - Google Patents

Abstract

The utility model discloses a negative pressure beauty instrument, which comprises a beauty instrument main body, a handle and an air duct; the beauty instrument main body is detachably connected to the handle, a battery is arranged in the beauty instrument main body, the battery supplies energy for the beauty instrument main body and electric components in the handle, and the front end of the beauty instrument main body is detachably connected with a negative pressure head; the handle is internally provided with an air pump, an air pressure sensor and an electromagnetic valve, the air pump is communicated with the negative pressure head through the air guide pipe, and the air pressure sensor and the electromagnetic valve are respectively communicated with an air suction pipeline connected with the air pump. According to the utility model, the main body of the beauty instrument is detachably connected to the handle, and meanwhile, the main body of the beauty instrument and the handle share one battery, so that the occupied space of the beauty instrument is effectively reduced, and the beauty instrument is convenient to store; simultaneously, the handle provides negative pressure for the main body of the beauty instrument, so that the function of leading the negative pressure into the nutrient solution to the skin of a user is realized.

Description

Negative pressure beauty instrument

Technical Field

The utility model relates to the technical field of beauty treatment instruments, in particular to a negative pressure beauty treatment instrument.

Background

At present, along with the continuous improvement of living standard, people pay more attention to living quality, especially women, and more attention to skin care; the negative pressure beauty instrument is an instrument which can enable nutrient solution to enter the skin deeper, the nutrient solution led in by the negative pressure beauty instrument does not need to be manually beaten, and meanwhile, the negative pressure beauty instrument also plays a role in massaging, so that the skin care effect is better; the main body of the beauty instrument and the handle for generating negative pressure in the prior art are generally fixedly connected, and the main body and the handle occupy large space and are inconvenient to store; some beauty instrument main bodies and handles of the negative pressure beauty instrument are detachably connected, but the beauty instrument main bodies and the handles are provided with power supply batteries, so that the overall size of the beauty instrument main bodies and the handles is large, and the beauty instrument main bodies and the handles are inconvenient to store. In view of the shortcomings of the practical manufacturing and implementation of the scheme, the handle is modified and improved, the special knowledge and experience assist, and the design is created after multi-party chocolate and experiment, so that the handle applied to the negative pressure beauty instrument is provided for solving the problems.

Disclosure of Invention

It is an object of the present utility model to provide a negative pressure cosmetic instrument so as to solve the above-mentioned problems.

The negative pressure beauty instrument can be realized by the following technical scheme:

the utility model relates to a negative pressure beauty instrument, which comprises a beauty instrument main body, a handle and an air duct; the beauty instrument main body is detachably connected to the handle, a battery is arranged in the beauty instrument main body, the battery supplies energy for the beauty instrument main body and electric components in the handle, and the front end of the beauty instrument main body is detachably connected with a negative pressure head; the handle is internally provided with an air pump, an air pressure sensor and an electromagnetic valve, the air pump is communicated with the negative pressure head through the air guide pipe, and the air pressure sensor and the electromagnetic valve are respectively communicated with an air suction pipeline connected with the air pump.

In one embodiment, the cosmetic device body further comprises a housing assembly that is a hollow cavity; a circuit board fixedly disposed in the housing assembly; the cylinder body is arranged at the front end of the shell assembly; a push rod assembly disposed in the housing assembly and movable within the barrel; the display screen, the plurality of key assemblies and the first charging interface are respectively arranged on the circuit board and penetrate through the shell assembly; the battery is disposed in the housing assembly and below the push rod assembly.

In one embodiment, the housing assembly includes a main housing and a sleeve, both of which are hollow cavities; the sleeve is detachably connected to the main housing.

In one embodiment, the push rod assembly comprises a sliding cavity, a cover plate, a travel block, a push rod and a stepping motor; the sliding cavity is a hollow linear groove body; the cover plate is arranged on the sliding cavity and forms a closed space with the sliding cavity; the stroke block is movably arranged in the closed space, and a gap is formed between the stroke block and the side edge of the sliding cavity; the push rod penetrates through the stepping motor, and the tail end of the push rod is connected with the stroke block.

In one embodiment, a plurality of buckles are respectively arranged on two sides of the sliding cavity, a plurality of clamping grooves are respectively arranged on two sides of the cover plate, and the plurality of buckles are respectively matched with the corresponding clamping grooves.

In one embodiment, the handle further comprises a handle housing assembly, a receiving cavity, a connecting plate, and an air pump key; the handle shell component is a hollow cavity; the accommodating cavity is arranged above the handle shell assembly; the connecting plate is fixedly arranged in the accommodating cavity, a second charging interface and a connecting interface are arranged on the connecting plate, and the connecting interface is detachably and electrically connected with the first charging interface; the air pump is fixedly arranged in the handle shell assembly, and an exhaust pipeline is further connected to the air pump.

In one embodiment, the handle housing assembly is lambda-shaped in shape.

In one embodiment, the accommodating cavity is provided with a fixing clamp, and the main body of the beauty instrument is detachably connected to the accommodating cavity through the fixing clamp.

In one embodiment, the first charging interface, the second charging interface and the connection interface are Micro USB interface, type C interface or lighting interface.

In one embodiment, the battery is a polymer lithium ion battery.

Compared with the prior art, the negative pressure beauty instrument has the beneficial effects that:

according to the negative pressure beauty instrument, the negative pressure beauty instrument is detachably and electrically connected with the charging interface on the circuit board through the connecting interface, and the batteries in the main body of the beauty instrument are used for simultaneously performing functions on the main body of the beauty instrument and the electric components in the handle, so that the batteries are not required to be arranged in the handle, and meanwhile, the negative pressure beauty instrument is detachably connected to the handle through the main body of the beauty instrument, so that the occupied space of the beauty instrument is effectively reduced, and the beauty instrument is convenient to store;

according to the negative pressure beauty instrument, the air pump starts to work by pressing the air pump key, the negative pressure adsorption function on the skin of a user is realized by the mutual cooperation of the air pump, the air duct and the negative pressure head, when the air pressure value in the air suction pipeline monitored by the air pressure sensor in real time reaches a preset value, the air pressure sensor transmits a signal to the circuit board, the circuit board controls the electromagnetic valve to close the air suction pipeline, and the circuit board controls the air pump to stop working, so that the negative pressure adsorption operation of the beauty instrument is completed.

According to the negative pressure beauty instrument, the movable range of the stroke block is limited through the space formed by the sliding cavity and the cover plate, so that the stroke block is prevented from being separated from the sliding cavity, and the problem that the stroke block of the beauty instrument in the prior art is possibly separated from the chute is effectively solved; the stepping motor drives the push rod to move, and the circular motion of the push rod is converted into linear motion due to the action of the stroke block, and the stepping motor drives the push rod to do linear motion by precisely controlling the rotation of the stepping motor, so that the nutrient solution in the cylinder is precisely introduced into the skin, and the precise introduction function of the nutrient solution is realized;

according to the negative pressure beauty instrument, the data of nutrient solution introduction can be displayed in real time through the display screen, so that a user can observe the situation of nutrient solution introduction in real time, and the experience of the user is improved;

according to the negative pressure beauty instrument, negative pressure can be provided by the negative pressure head to be adsorbed on the skin of a user, so that the user does not need to manually beat the skin, and meanwhile, the massage effect is achieved, and the skin care effect is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a negative pressure cosmetic instrument according to the present utility model;

FIG. 2 is a schematic view of a part of an exploded structure of the negative pressure cosmetic instrument of FIG. 1, including a cosmetic instrument body and a handle;

FIG. 3 is a schematic view of a partial sectional structure of a negative pressure cosmetic instrument of the present utility model shown in FIG. 1;

fig. 4 is a schematic structural view of a main body of the negative pressure cosmetic instrument according to the present utility model shown in fig. 2;

fig. 5 is an exploded view of the body of the cosmetic instrument of fig. 4, including a push rod assembly;

FIG. 6 is a schematic view of the exploded construction of the present putter assembly of FIG. 5;

FIG. 7 is a schematic view showing the structure of a handle of the negative pressure cosmetic instrument of the present utility model shown in FIG. 2;

fig. 8 is a schematic view of the exploded construction of the handle of fig. 7.

The figures indicate: 10, a cosmetic instrument body; a housing assembly; 111, a main housing; 1111, through holes; 1112, charging holes; 112, a sleeve; 1121, a window; 12, a circuit board; 13, a push rod assembly; 131, a sliding chamber; 1311, snap-fit; 1312, fixing the column; 132, cover plate; 1321, a clamping groove; 133, a travel block; 134, push rod; 135, a stepper motor; 14, a cylinder; 15, a display screen; 16, a key assembly; 161, key body; 162, key housing; 17, a battery; 18, a first charging interface; 19, a negative pressure head; 191, air holes; 20, a handle; a handle housing assembly; 211, left housing; 212, right housing; 22, a receiving cavity; 221, a fixing clip; 23, connecting plates; 231, a second charging interface; 232, a connection interface; 24, an air pump; 241, an air suction duct; 242, exhaust pipes; 25, an air pressure sensor; 26, an electromagnetic valve; 27, an air pump key; 30, an airway tube.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.

Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features being in direct contact, either above or below a second feature, or through additional feature contacts therebetween, rather than being in direct contact. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, a negative pressure cosmetic instrument of the present utility model includes a cosmetic instrument body 10, a handle 20, and an airway 30; the beauty instrument main body 10 is detachably connected to the handle 20, a battery 17 is arranged in the beauty instrument main body, the battery 17 respectively supplies power to the beauty instrument main body 10 and the electric components in the handle 20, and the front end of the beauty instrument main body 10 is detachably connected with a negative pressure head 19; an air pump 24, an air pressure sensor 25 and an electromagnetic valve 26 are arranged in the handle 20, and the air pump 24 is communicated with the negative pressure head 19 through the air duct 30; the air pressure sensor 25 and the electromagnetic valve 26 are respectively communicated with an air suction pipeline 241 on the air pump 24, the air pressure sensor 25 monitors the air pressure in the air suction pipeline 241 in real time, and the electromagnetic valve 26 is used for opening or closing the air suction pipeline 241.

Referring to fig. 3-5, in the present embodiment, the cosmetic apparatus body 10 further includes a housing assembly 11, a circuit board 12, a push rod assembly 13, a barrel 14, a display 15, a plurality of key assemblies 16, and a first charging interface 18; the shell component 11 is a hollow cavity; the circuit board 12 is fixedly arranged in the shell assembly 11 and is electrically connected with the push rod assembly 13, the display screen 15, the plurality of key assemblies 16, the battery 17 and the first charging interface 18 respectively; the push rod assembly 13 is arranged in the shell assembly 11 and is movably arranged in the cylinder 14; the cylinder 14 is arranged at the front end of the shell assembly 11; the display screen 15, the plurality of key assemblies 16 and the first charging interface 18 are respectively arranged on the circuit board 12 and penetrate through the shell assembly 11, the display screen 15 is used for displaying the introduction condition of the nutrient solution, the plurality of key assemblies 16 respectively control the switch and the function setting of the beauty instrument main body 10, and the first charging interface 18 charges the battery 17; the battery 17 is disposed in the housing assembly 11 and below the push rod assembly 13, and supplies power to the circuit board 12, the push rod assembly 13, the display 15, the plurality of key assemblies 16, and the handle 20, respectively.

Referring to fig. 4 and 5, the housing assembly 11 includes a main housing 111 and a sleeve 112, which are hollow cavities; the sleeve 112 is detachably connected to the main housing 111; in this embodiment, the sleeve 112 is detachably connected to the main housing 111 by a screw structure, and in other embodiments, the sleeve 112 may be detachably connected to the main housing 111 by a snap structure. In this embodiment, the main housing 111 is provided with a plurality of through holes 1111 and charging holes 1112, the display 15 and the plurality of key assemblies 16 respectively penetrate the main housing 111 through the corresponding through holes 1111, and the first charging interface 18 penetrates the main housing 111 through the charging holes 1112; the barrel 14 is disposed on the sleeve 112, and a transparent window 1121 is disposed on the sleeve 112, and the amount of nutrient solution in the barrel 14 can be easily observed through the window 1121.

Referring to fig. 5, in the present embodiment, the circuit board 12 is electrically connected to the push rod assembly 13, the display 15, the plurality of key assemblies 16, the battery 17, and the first charging interface 18, and the control technology adopted is a prior art, so specific control procedures thereof are not repeated here; in other embodiments, the circuit board 12 is provided with a memory module, and the working data of the beauty instrument is stored through the memory module.

Referring to fig. 6, in the present embodiment, the push rod assembly 13 includes a sliding cavity 131, a cover plate 132, a stroke block 1333, a push rod 134 and a stepper motor 135; the sliding cavity 131 is a hollow linear groove body; the cover plate 132 is disposed on the sliding cavity 131, and forms a closed space with the sliding cavity 131, and the cover plate 132 is disposed below the circuit board 12; the stroke block 133 is square, and is movably disposed in the closed space, and a gap is disposed between the stroke block 133 and a side edge of the sliding cavity 131, so that the stroke block 133 can move in the sliding cavity 131; the push rod 134 penetrates through the stepper motor 135 and the tail end of the stepper motor 135 is connected with the travel block 133, the stepper motor 135 drives the push rod 134 to rotate, the circular motion of the push rod 134 is converted into linear motion under the action of the travel block 133, the reciprocating linear motion of the push rod 134 in the cylinder 14 is achieved by adjusting the forward and reverse rotation of the stepper motor 135, the rotation of the stepper motor 135 is controlled accurately, and the stepper motor 135 drives the push rod 134 to do linear motion, so that nutrient solution of the cylinder 14 is guided into skin accurately.

Referring to fig. 6, in the present embodiment, a plurality of buckles 1311 are respectively disposed on two sides of the sliding cavity 131, a plurality of slots 1321 are respectively disposed on two sides of the cover 132, and the plurality of buckles 1311 respectively cooperate with the corresponding slots 1321 to fix the cover 132 on the sliding cavity 131; in some embodiments, a plurality of the buckles 1311 are respectively disposed on two sides of the cover 132, a plurality of the slots 1321 are respectively disposed on two sides of the sliding cavity 131, and the cover 132 is fixedly disposed on the sliding cavity 131 through the cooperation of the plurality of the buckles 1311 and the plurality of the slots 1321; in other embodiments, the cover 132 and the sliding chamber 131 may be connected by using a screw structure; in other embodiments, the cover 132 and the sliding chamber 131 may be integrally formed. In this embodiment, at least one fixing post 1312 is disposed on the sliding chamber 131, and the sliding chamber 131 is fixed in the housing assembly 11 by at least one fixing post 1312; in this embodiment, two fixing columns 1312 are respectively disposed at two ends of the sliding chamber 131, and the sliding chamber 131 is fixed in the housing assembly 11 by the cooperation of screws with the two fixing columns 1312; in other embodiments, the number of the fixing columns 1312 may be one, three or other plural, and the number of the fixing columns 1312 may be set according to actual requirements. In this embodiment, the sliding cavity 131 and at least one of the fixing posts 1312 are integrally formed, and in other embodiments, the sliding cavity 131 and at least one of the fixing posts 1312 may be assembled.

Referring to fig. 4 and 5, the display 15 may be an LCD display or an LED display, and in this embodiment, the display 15 is an LED display. In this embodiment, the key assembly 16 includes a key main body 161 and a key housing 162, the key main body 161 is disposed on the circuit board 12 and penetrates through the housing assembly 11, the key housing 162 is disposed on the key main body 161, specifically, the material of the key housing 162 is rubber or plastic, preferably, the material of the key housing 162 is silica gel. In this embodiment, the battery 17 is a polymer lithium ion battery. The first charging interface 18 may be a Micro USB interface, a Type C interface, or a Lightning interface, and in this embodiment, the first charging interface 18 is a Type C interface.

Referring to fig. 1-5, in this embodiment, the negative pressure head 19 is detachably connected to the front end of the cylinder 14, and negative pressure is provided to the negative pressure head 19 by the handle 20, so that the negative pressure head 19 is adsorbed on the skin of the user, and the skin care effect is better due to the adsorption of the negative pressure head 19 without manual beating, and meanwhile, the massage effect is also achieved; the negative pressure head 19 is provided with an air vent, and is communicated with the air duct 30 through the air vent.

Referring to fig. 3, 7 and 8, in this embodiment, the handle further includes a handle housing assembly 21, a receiving cavity 22, a connecting plate 23 and an air pump key 27; the handle shell assembly 21 is a hollow cavity; the accommodating cavity 22 is arranged above the handle shell assembly 21, and the beauty instrument main body 10 is detachably connected in the accommodating cavity 22; the connection board 23 is fixedly arranged in the accommodating cavity 22, a second charging interface 231 and a connection interface 232 are arranged on the connection board 23, the second charging interface 231 is a charging interface, the connection interface 232 is detachably and electrically connected with the first charging interface 18, so that the battery 17 can supply power to electric components in the handle 20, meanwhile, the circuit board 12 can control the connection board 23 through the connection interface 232, and the adopted technology is the prior art, so that the specific control process is not repeated here, the connection board 23 is electrically connected with the circuit board 12, the air pump 24, the air pressure sensor 25, the electromagnetic valve 26 and the air pump key 27 respectively, and the adopted technology is the prior art, so that the specific control process is not repeated here; the air pump 24 is fixedly arranged in the handle shell assembly 21 and is used for providing negative pressure for the negative pressure head 19, the air pump 24 is also connected with an air exhaust pipeline 242, the air suction pipeline 241 is communicated with the negative pressure head 19 through the air guide pipe 30 and is used for carrying out negative pressure adsorption operation on the skin of a user, and the air exhaust pipeline 242 is used for exhausting air in the air pump 24; the air pressure sensor 25 and the electromagnetic valve 26 are respectively arranged in the handle shell assembly 21 and respectively communicated with the air suction pipeline 241, the air pressure sensor 25 monitors the air pressure of the air suction pipeline 241 in real time, and the electromagnetic valve 26 is used for opening or closing the air suction pipeline 241; the air pump key 27 is disposed in the handle housing assembly 21 and penetrates the handle housing assembly 21, and controls the switching of the air pump 24.

Referring to fig. 7 and 8, in the present embodiment, the handle housing assembly 21 has a lambda-shaped shape, and includes a left housing 211 and a right housing 212, and the left housing 211 and the right housing 212 are connected by a screw mechanism or a snap structure. The handle housing assembly 21 is provided with an air suction hole through which the air suction pipe 241 penetrates the housing assembly 11, and an air discharge hole through which the air discharge pipe 242 penetrates the housing assembly 11.

Referring to fig. 7 and 8, in this embodiment, a fixing clip 221 is disposed on the accommodating cavity 22, and under the action of the fixing clip 221, the cosmetic apparatus main body 10 is detachably connected to the accommodating cavity 22, in this embodiment, the fixing clip 221 is an elastic member, a gap is disposed between the fixing clip and the elastic member, the cosmetic apparatus main body 10 is fastened to the accommodating cavity 22 through the gap, the accommodating cavity 22 and the fixing clip 221 are integrally formed, and specifically, a material adopted by the accommodating cavity 22 and the fixing clip 221 is silica gel; in other embodiments, the accommodating cavity 22 and the fixing clip 221 may be assembled.

Referring to fig. 8, the second charging interface 231 and the connection interface 232 may be a Micro USB interface, a Type C interface, or a lighting interface; in this embodiment, the Type C interface is used for the second charging interface 231 and the connection interface 232. The connecting plate 23 is electrically connected with the air pump 24, the air pressure sensor 25, the electromagnetic valve 26 and the air pump key 27 respectively; the control technology adopted by the connection plate 23 is a prior art, so the specific control process thereof is not described herein.

It should be noted that, in the negative pressure cosmetic instrument of the present utility model, the connection interface 232 is detachably and electrically connected to the first charging interface 18, so that the battery 17 can supply power to the electrical components in the handle 20, so that the cosmetic instrument main body 10 and the handle 20 share the battery 17; the air pump button 27 is pressed to enable the air pump 24 to start working, the air guide pipe 30 is communicated with the negative pressure head 19, so that the negative pressure head 19 can absorb negative pressure on the skin of a user, when the air pressure value in the air suction pipeline 241 monitored by the air pressure sensor 25 in real time reaches a preset value, the air pressure sensor 25 transmits a signal to the circuit board 12, the circuit board 12 controls the electromagnetic valve 26 to close the air suction pipeline 241, and meanwhile, the circuit 12 controls the air pump 24 to stop working. Meanwhile, the negative pressure beauty instrument limits the movable range of the stroke block 133 through the space synthesized by the sliding cavity 131 and the cover plate 132, and prevents the stroke block 133 from being separated from the sliding cavity 131; the stepper motor 135 drives the push rod 134 to move, and the circular motion of the push rod 134 is converted into linear motion under the action of the stroke block 133, and the stepper motor 135 drives the push rod 134 to do linear motion by accurately controlling the rotation of the stepper motor 135, so that the nutrient solution in the cylinder 14 is accurately introduced into the skin; the data of nutrient solution introduction can be displayed in real time through the display screen 15.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The negative pressure beauty instrument is characterized by comprising a beauty instrument main body, a handle and an air duct; the beauty instrument main body is detachably connected to the handle, a battery is arranged in the beauty instrument main body, the battery supplies energy for the beauty instrument main body and electric components in the handle, and the front end of the beauty instrument main body is detachably connected with a negative pressure head; the handle is internally provided with an air pump, an air pressure sensor and an electromagnetic valve, the air pump is communicated with the negative pressure head through the air guide pipe, and the air pressure sensor and the electromagnetic valve are respectively communicated with an air suction pipeline connected with the air pump.

2. The negative pressure cosmetic apparatus of claim 1, wherein the cosmetic apparatus body further comprises a housing assembly that is a hollow cavity; a circuit board fixedly disposed in the housing assembly; the cylinder body is arranged at the front end of the shell assembly; a push rod assembly disposed in the housing assembly and movable within the barrel; the display screen, the plurality of key assemblies and the first charging interface are respectively arranged on the circuit board and penetrate through the shell assembly; the battery is disposed in the housing assembly and below the push rod assembly.

3. The negative pressure cosmetic apparatus of claim 2, wherein the housing assembly comprises a main housing and a sleeve, both of which are hollow cavities; the sleeve is detachably connected to the main housing.

4. The negative pressure cosmetic apparatus of claim 2, wherein the pushrod assembly comprises a sliding chamber, a cover plate, a travel block, a pushrod and a stepper motor; the sliding cavity is a hollow linear groove body; the cover plate is arranged on the sliding cavity and forms a closed space with the sliding cavity; the stroke block is movably arranged in the closed space, and a gap is arranged between the stroke block and the side edge of the sliding cavity; the push rod penetrates through the stepping motor, and the tail end of the push rod is connected with the stroke block.

5. The negative pressure cosmetic instrument of claim 4, wherein a plurality of buckles are respectively arranged on two sides of the sliding cavity, a plurality of clamping grooves are respectively arranged on two sides of the cover plate, and the plurality of buckles are respectively matched with the corresponding clamping grooves.

6. The negative pressure cosmetic apparatus of claim 2, wherein the handle further comprises a handle housing assembly, a receiving cavity, a connecting plate, and an air pump key; the handle shell component is a hollow cavity; the accommodating cavity is arranged above the handle shell assembly; the connecting plate is fixedly arranged in the accommodating cavity, a second charging interface and a connecting interface are arranged on the connecting plate, and the connecting interface is detachably and electrically connected with the first charging interface; the air pump is fixedly arranged in the handle shell assembly, and an exhaust pipeline is further connected to the air pump.

7. The negative pressure cosmetic instrument of claim 6, wherein the handle housing assembly is λ -shaped.

8. The negative pressure cosmetic instrument of claim 6, wherein the receiving chamber is provided with a fixing clip by which the cosmetic instrument body is detachably connected to the receiving chamber.

9. The negative pressure cosmetic instrument of claim 6, wherein the first charging interface, the second charging interface and the connection interface are Micro USB interface, type C interface or lighting interface.

10. The negative pressure cosmetic apparatus of any one of claims 1-9, wherein the battery is a polymer lithium ion battery.