CN111569245A - Beauty and health care device for face - Google Patents

Abstract

The invention relates to a beauty and health care device for face, which comprises a beauty stick, a micro-current generation module, an external negative pressure device, a communicating pipe and a conducting wire, wherein the beauty stick is provided with an air transmission channel, a negative pressure connecting hole, a conductive suction nozzle and a first port; the micro-current generating module is arranged in the beauty treatment rod and is electrically connected with the first port; the external negative pressure device is separated from the beauty treatment rod and comprises a shell, a negative pressure driving and controlling module and a second port, wherein the negative pressure driving and controlling module comprises an air delivery pipe assembly, and the air delivery pipe assembly is provided with a negative pressure communication hole; two ends of the communicating pipe are communicated with the negative pressure connecting hole and the negative pressure communicating hole; two ends of the conductive line connect the first port and the second port. Therefore, the beauty and health care effects of lifting, cleaning and leading out micro-current can be generated on the face.

Description

Beauty care device for face

technical field

The present invention relates to a beauty and health care device technology, in particular to a beauty and health care device for the face.

Background technique

Due to external air pollution and work pressure, the facial skin of modern people is very easy to show dullness and relaxation. Coupled with improper maintenance methods, even if they use advanced and expensive skin care products, they cannot be completely absorbed. Facial skin, so people who love beauty must go to a beauty medical center for beauty treatment. However, the beauty machine used in the medical beauty center is huge, and there must be a large space for it to be placed, and it is also necessary to use a beauty machine. It is extremely inconvenient for operators to operate on-site. Moreover, when people want to do beauty treatments, they need to wait for a long time in addition to arranging time to go to the medical beauty center, which is time-consuming and labor-intensive. .

The industry has successively developed related products in response to the above problems. The most common one is the beauty stick with vibrating effect, which mainly includes a stick body and a vibrator installed inside the stick body. Drive the stick to produce a corresponding vibration effect, and then press the stick against the facial skin, thereby achieving the effects of facial skin massage and pressure relief.

However, although the existing beauty and health care devices have the effects of massage and pressure relief, in the process of actual use, the skin of the face and the tissues in it cannot be fully exercised, and the activation of the skin and the blood flow are not enough. Improvements in various aspects such as circulation are even more absent. In addition, most of the existing beauty and health care devices only have a single function, and must be purchased separately for various usage requirements, which will greatly increase the user's purchase cost. Therefore, it has been unable to meet the needs of the existing market for the use of beauty and health care devices.

Therefore, in view of the above-mentioned deficiencies of the prior art, the present inventor has devoted himself to research and application of theories, and tried his best to solve the above-mentioned problems, which is the goal of the present inventor's improvement.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a beauty and health care device for the face, which can produce the beauty and health care effects of lifting, cleaning and deriving micro-current on the face, and can improve the ease of operation.

In order to achieve the above-mentioned purpose, the present invention provides a beauty and health care device for the face, including a beauty bar, a micro-current generating module, an external negative pressure device, a communication tube and a conductive wire. There is a gas transmission channel inside, a negative pressure connection hole and a conductive suction nozzle are respectively arranged on the two ends of the beauty stick to communicate with the gas transmission channel, and a first port is arranged on the side of the negative pressure connection hole; The micro-current generating module is arranged inside the beauty stick and is electrically connected to the first port; the external negative pressure device is separated from the beauty stick, and the external negative pressure device includes a casing and is installed in the casing A negative pressure drive control module inside the body, the negative pressure drive control module includes an air delivery pipe assembly, the air delivery pipe assembly has a negative pressure communication hole fixed on the shell, and the external negative pressure device is also provided with a second The two ends of the communication pipe are respectively connected to the negative pressure connection hole and the negative pressure communication hole; the two ends of the conductive wire are respectively connected to the first port and the second port; In operation, the conductive suction nozzle can generate negative pressure suction and release on the skin of the face, and through the export of the current from the micro-current generating module, the conductive suction nozzle can stimulate the skin of the face to produce adenosine triphosphate.

The present invention also has the following effects: through the setting of the ultrasonic generating module, the high-frequency vibration generated by the piezoelectric sheet assembly is transmitted from the conductive suction nozzle to the skin of the face, and the high-frequency vibration can promote the cleaning of pores and the elimination of acne. , and help the skin to absorb the skin care products. With the setting of the anti-mistouch component, the user needs to touch the capacitive induction pressing area of the beauty stick with his hand, and the conductive suction nozzle must touch the skin of the face, and the micro-current function will be activated to avoid accidental touch, which increases the use of safety. With the setting of the light wave generating module, when it is irradiated on the skin of the face, it can stimulate the blood circulation and increase the elasticity and luster of the skin. Through the conical lamp cup corresponding to the configuration of the light-emitting diode, the range illuminated by the light-emitting diode is more uniform. By setting the negative ion generating module and exporting it through the negative ion emitting hole at the front end, the blood circulation of the skin of the face can be enhanced.

Description of drawings

FIG. 1 is a schematic diagram of a combination of beauty and health care devices for the face according to the present invention.

Fig. 2 is an exploded perspective view of the beauty stick of the present invention.

FIG. 3 is an exploded perspective view of the beauty stick of the present invention from another perspective.

Fig. 4 is an external view of the beauty stick combination of the present invention.

Fig. 5 is a cross-sectional view of the beauty stick combination of the present invention.

6 is a perspective view of the external negative pressure device of the present invention.

FIG. 7 is a block diagram of the negative pressure driving control module of the present invention.

Detailed ways

The detailed description and technical content of the present invention are described below in conjunction with the drawings. However, the accompanying drawings are only for reference and description, and are not intended to limit the present invention.

Please refer to FIG. 1 to FIG. 7 , the present invention provides a beauty care device for the face, which mainly includes a beauty stick 1 , a micro-current generating module 20 , an external negative pressure device 6 , and a communication pipe 7 and a conductive wire 8, wherein the beauty stick 1 and the external negative pressure device 6 are set separately (that is, are independent devices), and the beauty rod 1 and the external negative pressure device 8 must be achieved through the communicating tube 7 and the conductive wire 8 Connection of negative pressure device 6.

Please refer to FIG. 2 to FIG. 5 first, the beauty stick 1 mainly includes a rod body 10 , which is roughly a slightly curved cylindrical body. The rod body 10 in this embodiment mainly includes a front cover 11 and a rear cover 12. A lower end cap 13, an upper end cap 14 and a conductive suction nozzle 15, the front cover 11, the rear cover 12, the lower end cap 13 and the upper end cap 14 are all made of materials with good insulation (such as plastics). ), the front cover 11 is assembled corresponding to the rear cover 12 and is locked with screws such as screws, the lower cover 13 is assembled at the lower end of the front cover 11 and the rear cover 12, and the upper cover 14 is assembled on the At the upper end positions of the front cover 11 and the rear cover 12 , the conductive suction nozzle 15 is threaded through the center of the upper cover 14 .

An extension tube 131 is formed on one side of the lower end cover 13 , a negative pressure connection hole 132 is formed in the center of the extension tube 131 , and a first tube 133 extends directly below the extension tube 131 . The aforementioned negative pressure connection hole 132 It communicates with the first pipe 133 . In addition, a first port 134 is provided on the side of the negative pressure connection hole 132 of the lower end cover 13 . The first port 134 in this embodiment is a conductive connection hole, but is not limited to this type.

The upper end cover 14 mainly includes a cover plate 141, and a receiving hole 142 is provided in the center of the cover plate 141. The conductive suction nozzle 15 mainly includes a connecting head 151 and a connecting cover 155. The connecting head 151 and the connecting cover 155 are made of metal or the like. The connector 151 is made of a material with good electrical conductivity. The connector 151 has a second nozzle 152 and a hollow cylinder 153 extending from the second nozzle 152 and communicating with each other. 153 is formed on the outside of the cover plate 141, the connecting cover 155 is sleeved on the hollow cylindrical column 153, and a suction port 156 is arranged in the center of the connecting cover 155, which communicates with the aforementioned hollow cylindrical column 153 and the second connecting pipe 152. ; Through a connecting pipe 16, the first connecting pipe 133 and the second connecting pipe 152 are respectively connected, thereby forming a gas transmission channel A inside the rod body 10.

Further, the rod body 10 of this embodiment further includes a waterproof gasket 17, the waterproof gasket 17 is sandwiched between the hollow cylindrical column 153 and the connection cover 155, and can be made of materials such as silica gel, so as to To achieve the effect of preventing air leakage.

Further, the rod body 10 of this embodiment further includes a silicone sleeve 18, which is covered and covered on the outside of the front cover 11 and the rear cover 12, and is connected with the lower end cover 13 and the upper end cover 14, so as to An effective waterproof effect is achieved for the beauty stick 1.

The micro-current generating module 20 is disposed inside the aforementioned beauty stick 1 and is electrically connected to the first port 134, wherein the current value of the micro-current (EMS, Electro Muscle Stimulation) generating module 20 is generally within the range of 1-400 microamperes (μA). and it mainly includes a control component 21 and a micro-current conducting component 22, the control component 21 is electrically connected with the first port 134, and mainly includes a circuit board 211 and a first switch mounted on the circuit board 211 A part of the first switch button 212 is exposed to the outside of the front cover 11 , so that the micro-current conducting element 22 can be turned on or off by manipulating the first switch button 212 . The micro-current conducting element 22 in this embodiment mainly includes a wire 221 and a fixing member 222 . The fixing member 222 in this embodiment is a nut, and a screw portion 154 is provided on the outer periphery of the second connecting pipe 152 to pass through. One end of the wire 221 is electrically connected to the aforementioned control component 21 , and the other end of the wire 221 is sleeved on the second connecting tube 152 and is locked by the fixing member 222 corresponding to the aforementioned screw portion 154 , so that the micro-current can be passed through the The conductive suction nozzle 15 is conducted to the skin of the face, and stimulates the dermis layer through this microcurrent to promote cells to produce adenosine triphosphate (ATP, Adenosine Tri-phosphate), which is composed of adenosine and three phosphate groups, chemical formula C10H16N5O13P3, structure Simple formula C10H8N4O2NH2(OH)2(PO3H)3H, molecular weight 507.184.

Further, the micro-current generating module 20 of this embodiment further includes an anti-mistouch component 23, which can be a capacitive touch button sensor, and mainly includes a capacitive sensing switch 231, a conductive spring 232 and a sensing area 233, The capacitive sensing switch 231 is disposed on the circuit board 211 of the aforementioned control assembly 21 , the conductive spring 232 is supported in a cylindrical column 121 of the aforementioned rear cover 12 , and one end of the conducting spring 232 is configured corresponding to the capacitive sensing switch 231 . , the sensing area 233 is formed on the back cover 12 and is disposed corresponding to the other end of the conductive spring 232; in this way, the user must touch the position of the sensing area 233 of the back cover 12 with hands, and the skin of the face can be conductive For the suction nozzle 15, the micro-current function is activated to effectively prevent accidental touch, thereby improving the safety of use.

Please refer to FIGS. 6 to 7 , the external negative pressure device 6 mainly includes a housing 61 and a negative pressure driving control module 62 installed inside the housing 61 . The negative pressure driving control module 62 mainly includes a control The controller 63 includes a main circuit board 631, a display panel 632 and a continuous suction button 633 are arranged on the main circuit board 631. , an intermittent suction and release button 634, a negative pressure seconds control button 635, a pressure relief seconds control button 636 and two second ports 637, wherein the second port 637 can be a direct current connection hole. Through a power button 638, it is electrically connected to the controller 63, the negative pressure generating element 64 and the pressure relief element 65 are electrically connected to the controller 63, and the air pipe element 66 is connected to the negative pressure generating element 64 and the pressure relief element 65, and the input The air tube assembly 66 has a negative pressure communication hole 661 fixed to the housing 61 . The negative pressure generating component 64 mainly includes a vacuum pump and a motor (not shown in the figure), which are used to generate negative pressure to suck and release the skin of the face through the conductive suction nozzle 15 of the aforementioned beauty stick 1 , the maximum negative pressure in general use is limited to within -46.7kPa (-350mmHg).

Please refer to FIG. 1 again, the two ends of the communication tube 7 are respectively connected to the negative pressure connection hole 132 and the negative pressure communication hole 661, so that through the operation of the negative pressure drive control module 62, the conductive suction of the beauty stick 1 can be The mouth 15 produces a suction-release massage with alternating rhythm of negative pressure massage and negative pressure release. The conductive wire 8 is electrically connected to the aforementioned beauty stick 1 and the external negative pressure device 6 ; specifically, the two ends of the conductive wire 8 are electrically connected to the first port 134 and the second port 637 respectively.

It is worth mentioning that, by using the combination of the external negative pressure device 6 and the beauty stick 1, through the adjustment of the vacuum strength and the suction and release frequency, after the conductive suction nozzle 15 touches the skin of the face, the lifting can be achieved. And the cleaning effect of removing acne and dirt.

When in use, it can perform negative pressure suction massage and negative pressure release alternately rhythmic suction and release massage for the skin of the face. When the conductive suction nozzle 15 is attached to the skin, the vacuum pump of the component 64 is generated due to the negative pressure. The action will generate negative pressure at the suction port 156, so that the skin will be sucked and gradually bulge out. When the negative pressure stops, the skin will stop being sucked up; and then through the operation of the pressure relief component 65, the air will be released from the air pipe component. When 66 enters the gas transmission channel A, the negative pressure will be released, the negative pressure will decrease, and the skin will be gradually released back to its original state, repeating this action; during this time, the micro-current generating module 20 can be turned on or off at any time, and the micro-current generation module 20 can be turned on or off at any time. The electric current is exported through the conductive suction nozzle 15, which stimulates muscle massage and restores the elasticity of the muscles. At the same time, the stimulation of the dermis by the electric current will also promote the cells to produce more adenosine triphosphate (ATP), and adenosine triphosphate (ATP) is a key substance for collagen production. , so the micro-current massages the face, accelerates the production of collagen, and makes the facial lines clearer, so as to achieve the effect of tightening and lifting the skin of the face; this method can also fully exercise the local fat layer, making the human body The basal metabolism is improved, resulting in the effect of reducing fat and eliminating fat.

Further, the present embodiment also includes an ultrasonic generating module 30 , which is disposed inside the aforementioned beauty stick 1 and is electrically connected to the control assembly 21 , and which mainly includes a fixing plate 31 and a piezoelectric sheet connected to the fixing plate 31 . The assembly 32, the fixing plate 31 and the piezoelectric sheet assembly 32 are sleeved on the second connecting pipe 152. The piezoelectric sheet assembly 32 uses high-frequency vibration to conduct conduction, so that the conductive suction nozzle 15 can promote the pores of the skin of the face. Absorption of cleaning and maintenance products; the vibration frequency of the piezoelectric sheet assembly 32 is generally between 1 and 3 MHz. The control assembly 21 further includes a second switch button 213 mounted on the circuit board 211 . A part of the second switch button 213 is exposed to the outside of the front cover 11 , so as to activate or control the second switch button 213 by manipulating the second switch button 213 . The action of the ultrasonic generating module 30 is turned off.

It is worth mentioning that since the active ingredients in skin care products are composed of organic macromolecules, it is difficult to penetrate the dermis layer of the skin of the face under natural conditions. When smearing with fingers, only the nutrients can stay on the skin. The surface of the skin cannot be deeply absorbed; using the combination of the ultrasonic generating module 30 and the conductive suction nozzle 15, through the characteristics of high-frequency oscillation and strong penetration, the skin can produce high-energy movement, which can not only improve the tissue It can soften tissue, firm and enhance the metabolism, and can also promote pore cleaning and acne removal.

Further, this embodiment also includes a light wave generating module 40, which mainly includes a light-emitting component 41 and a lampshade 42. The light-emitting component 41 is arranged inside the beauty stick 1 and is electrically connected to the control component 21, and the lampshade 42 is covered on the aforementioned cover. Outside the plate 141, a plurality of conical lamp cups 143 are also arranged on the aforementioned cover plate 141, and each conical lamp cup 143 is formed around the outer periphery of the receiving hole 142 in a spaced manner. The light-emitting component 41 is electrically connected to the control component 21, And it mainly includes a substrate 411 and a plurality of light emitting diodes 412 arranged on the substrate 411. The light emitting components 41 are arranged inside the upper end cover 14, and the light emitting diodes 412 are respectively arranged corresponding to the positions of the conical lamp cups 143. The lampshade 42 It is made of light-transmitting material and covers the outside of the upper end cap 14 . The control assembly 21 further includes a third switch button 214 mounted on the circuit board 211 , and a part of the third switch button 214 is exposed to the outside of the front cover 11 , so that the third switch button 214 can be activated or The operation of the light wave generating module 40 is turned off.

It is worth mentioning that light-emitting diodes (LEDs) can be mainly red, yellow, and blue. Using their different mechanisms of action on skin tissue, after a specific wavelength of light is absorbed by the skin, it will be converted into internal energy by cells. , promote cell metabolism and synthesis, improve the skin condition of the face; red light-emitting diodes can improve cell activity, increase skin elasticity, repair skin, relieve skin aging, and restore skin vitality. The light-emitting diodes of blue light can sterilize and anti-inflammatory, inhibit acne breakouts, repair the rough surface of the skin, and adjust the balance of water and oil. Yellow light-emitting diodes can speed up blood circulation and activate cells, remove dark spots and dark spots, and brighten skin tone.

Further, the present embodiment also includes a negative ion generating module 50 , which is disposed inside the beauty stick 1 and is electrically connected to the control assembly 21 , and the negative ion generating module 50 mainly includes a negative ion generator 51 and a negative ion generator 51 connected to the negative ion generator 51 . The negative ion lead 52 has a negative ion lead-out hole 144 in the aforementioned cover plate 141, and the lampshade 42 is provided with a negative ion export hole 421 corresponding to the negative ion lead-out hole 144, wherein the negative ion lead 52 passes through the negative ion lead-out hole 144 and extends to the negative ion export hole 421 Among them, the negative ions generated by the negative ion generator 51 are led out from the end of the negative ion lead wire 52, thereby enhancing the blood circulation of the skin. The opening and closing of the negative ion generating module 50 can be started immediately after the power is turned on.

Further, this embodiment also includes a filter assembly 55, which is disposed in a hollow cylindrical column 153 of the aforementioned conductive suction nozzle 15. The filter assembly 55 in this embodiment is a filter foam, which can be used to block skin acne and dirt. The dirt and maintenance products are directly sucked into the negative pressure generating component 60 by the negative pressure, thereby causing the wear and tear of the internal electrical appliances, and the filter foam can be replaced.

To sum up, the beauty and health care device for the face of the present invention can indeed achieve the intended use purpose, and solve the deficiencies of the prior art.

Claims (16)

1. a beauty care device for face, is characterized in that, comprises: A beauty bar has a gas delivery channel inside, a negative pressure connection hole and a conductive suction nozzle are respectively provided at both ends of the beauty bar to communicate with the gas delivery channel, and a side of the negative pressure connection hole is provided with a the first port; a micro-current generating module, disposed inside the beauty stick and electrically connected to the first port; An external negative pressure device is arranged separately from the beauty stick. The external negative pressure device includes a casing and a negative pressure driving control module installed inside the casing. The negative pressure driving control module includes an air delivery pipe an assembly, the air pipe assembly has a negative pressure communication hole fixed on the casing, and the external negative pressure device is also provided with a second port; a communication pipe, the two ends of which are respectively connected to the negative pressure connection hole and the negative pressure communication hole; and a conductive wire, the two ends of which are respectively connected to the first port and the second port; Through the operation of the negative pressure driving control module, the conductive suction nozzle can generate negative pressure suction and release on the skin of the face, and through the export of the current of the micro-current generation module, the conductive suction nozzle can stimulate The skin of the face produces adenosine triphosphate. 2 . The beauty care device for the face according to claim 1 , wherein the micro-current generating module comprises a control component and a micro-current conducting component, and the control component is electrically connected to the first port. 3 . , the control component includes a circuit board and a first switch button mounted on the circuit board, and the micro-current conduction component is activated or closed by manipulating the first switch button. 3 . The beauty and health care device for the face according to claim 2 , wherein the micro-current conducting component comprises a lead wire and a fixing piece, the conductive suction nozzle comprises a connector and a connector connected to the connector. 4 . a connecting cover, the connector has a second nozzle, the outer periphery of the second nozzle is provided with a screwing part, one end of the wire is electrically connected to the control assembly, and the other end of the wire is sleeved on the second nozzle and The fixing part is locked corresponding to the screwing part through the fixing part. 4 . The beauty and health care device for the face according to claim 3 , wherein the connecting head further has a hollow cylindrical column extending from the second connecting pipe and communicating with each other, and the connecting cover is sleeved on the hollow cylinder. 5 . On the cylindrical column, the center of the connecting cover is provided with a suction port which communicates with the hollow cylindrical column and the second connecting pipe. 5 . The beauty and health care device for the face according to claim 4 , wherein the beauty bar comprises a lower end cap, the lower end cap is formed with an extension tube, and the negative pressure connection hole is formed in the center of the extension tube. 6 . , a first pipe connected to the negative pressure connecting hole is extended below the corresponding extension pipe, and the first pipe and the second pipe are respectively communicated through a connecting pipe, so as to form the pipe inside the beauty stick. air channel. 6 . The beauty and health care device for the face according to claim 2 , wherein the micro-current generating module further comprises an anti-mistouch component, and the anti-mistouch component comprises a capacitive sensing switch, a conductive spring and A sensing area, the capacitive sensing switch is arranged on the circuit board, the conductive spring is supported inside the beauty stick, and one end of the conducting spring is configured corresponding to the capacitive sensing switch, the sensing area is formed on the beauty stick surface and corresponding to the configuration of the other end of the conductive spring. 7 . The beauty and health care device for the face according to claim 2 , further comprising an ultrasonic generating module, the ultrasonic generating module is disposed inside the beauty stick and is electrically connected to the manipulation component. 8 . 8 . The beauty and health care device for the face according to claim 7 , wherein the ultrasonic generating module comprises a fixing plate and a piezoelectric sheet assembly stacked on the fixing plate, and the conductive suction nozzle Including a connecting head, the connecting head has a second pipe, the fixing plate and the piezoelectric sheet assembly are sleeved on the second pipe, the control assembly also includes a second switch button installed on the circuit board, transparent The action of the ultrasonic generating module is activated or deactivated by manipulating the second switch button. 9 . The beauty and health care device for the face according to claim 2 , comprising a light-wave generating module, the light-wave generating module comprising a light-emitting component and a lampshade, and the light-emitting component is disposed inside the beauty stick and electrically powered. 10 . Connected to the control assembly, the beauty stick includes an upper end cover, the upper end cover includes a cover plate, the lampshade is covered on the outside of the cover plate, and the control component also includes a third switch button installed on the circuit board , through the manipulation of the third switch button to enable or disable the action of the light wave generating module. 10 . The beauty and health care device for the face according to claim 9 , wherein the light-emitting component comprises a substrate and a plurality of light-emitting diodes arranged on the substrate, and the cover plate is provided with a plurality of conical lamp cups, 11 . Each of the conical lamp cups is respectively arranged corresponding to each of the light-emitting diodes. 11 . The beauty and health care device for the face according to claim 2 , further comprising a negative ion generating module, the negative ion generating module is arranged inside the beauty stick and is electrically connected to the control component, the negative ion generating module is 11 . The generating module includes a negative ion generator and a negative ion wire connected to the negative ion generator. The beauty stick includes an upper end cover, and the upper end cover includes a cover plate. The cover plate is provided with a negative ion lead-out hole, and the negative ion lead is extended to the Negative ions are led out of the hole. 12 . The beauty and health care device for the face according to claim 1 , further comprising a filter assembly, the conductive suction nozzle includes a connector, the connector has a hollow cylinder, the filter assembly is arranged in the hollow cylinder. 13 . The beauty and health care device for the face according to claim 1 , further comprising a waterproof gasket, the conductive suction nozzle comprises a connecting head and a connecting cover, and the connecting head has a second nozzle. 14 . and a hollow cylindrical column extending from the second nozzle and communicating with each other, the waterproof gasket is clamped between the connecting cover and the hollow cylindrical column. 14. The beauty and health care device for the face according to claim 1, further comprising a silicone cover, the beauty stick comprising a stick body, the stick body comprising a front cover, a back cover, A lower end cover and an upper end cover are provided. The silicone sleeve covers the outside of the front cover plate and the rear cover plate, and is connected with the lower end cover and the upper end cover. 15. The beauty and health care device for the face according to claim 1, wherein the negative pressure driving control module further comprises a controller, a negative pressure generating component and a pressure relief component, the negative pressure generating component The controller is electrically connected with the pressure relief component, and the air delivery pipe component is connected with the negative pressure generating component and the pressure relief component. 16 . The beauty and health care device for the face according to claim 15 , wherein the controller comprises a main circuit board, and the main circuit board is provided with a display panel, a continuous suction button, an intermittent The suction and release button, a negative pressure seconds control button, a pressure relief seconds control button and two second ports are electrically connected to the controller through a power button.

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